CN104249556A - 3D product printer and program-controlled path - Google Patents
3D product printer and program-controlled path Download PDFInfo
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- CN104249556A CN104249556A CN201310389900.5A CN201310389900A CN104249556A CN 104249556 A CN104249556 A CN 104249556A CN 201310389900 A CN201310389900 A CN 201310389900A CN 104249556 A CN104249556 A CN 104249556A
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- spary
- plate washer
- half roller
- mouth
- vacuum
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Abstract
The invention discloses a 3D product printer and a program-controlled path. The 3D product printer is composed of a nozzle frame 1, a nozzle unit and an auxiliary device related to the nozzle unit, the nozzle unit is composed of a half roller, a material and ventilating port 6, a material tank 7, a spray-brushing retaining plate A 8, a spray-brushing retaining plate B 9 and a spray-brushing port 10, a vacuum spraying cavity 5 similar to an inverted funnel triangle in shape is formed in the middle of the half roller 2, a recessed portion of the triangle of the vacuum spraying cavity 5 is in triangular geometry to form conical convergence, extends towards the depth direction of the half roller 2 to the middle portion of the half roller 2 and is communicated with the material and ventilating port 6, the spray-brushing retaining plate A 8 and the spray-brushing retaining plate B 9 are arranged in a front-rear symmetry manner along axial radian of the half roller 2 and stick close to the half roller 2, and a middle seam formed at a surrounding bottom of the spray-brushing retaining plate A 8 and the spray-brushing retaining plate B 9 is the spray-brushing port 10 during material spraying. Spray-brushing-type technical structure is adopted, printing range of a nozzle can be changed, and quick and efficient printing can be realized.
Description
Technical field
3D product printer and program control path relate to industrial automation and manufacture field.
Background technology
The printing head of traditional 3D printer is fixing linear model, and its print speed is restricted.
Summary of the invention
The printing amplitude that the object of the invention is to design a kind of shower nozzle can the product printer of spurt brush type of width change.
The present invention is made up of shower nozzle framework 1, shower nozzle unit and the servicing unit relevant to shower nozzle unit.Shower nozzle unit is made up of half roller 2, material and blow vent 6, batch can 7, A spary plate washer 8, B spary plate washer 9 and spary mouth 10.Half roller 2 is a cylinder, is positioned on the lower end of shower nozzle framework 1.Half roller shaft 3,4 built in half roller 2 two ends is located through the hole 11 of the corresponding section, axle center, two ends of opening at shower nozzle framework 1, hole 12, is exposed.Half roller 2 for axis rotation, drives system batch can 7 at its upper end servo-actuated with half roller shaft 3,4.Half roller 2 is limited at the state can only making half circular motion.The size of batch can 7 and movement range are limited can not touch shower nozzle framework 1.Open the centre at half roller 2, have one to be similar to the leg-of-mutton vacuum spray chamber 5 of funnel.Vacuum spray chamber 5 triangle in indent, leg-of-mutton three outsides spread out with the radian of half roller 2 and are exposed.The leg-of-mutton base of vacuum spray chamber 5 and the axis being parallel of half roller 2; The vertical direction in half roller 2 axle axle center vis-a-vis, the leg-of-mutton upper angle of vacuum spray chamber 5.The leg-of-mutton part fallen in of vacuum spray chamber 5 also forms taper convergence in triangle geometry, extend to the middle part of half roller 2, communicate with material with blow vent 6 to half roller 2 depth.Material and blow vent 6 run through half remaining thickness of roller 2 be exposed at half roller 2 disjunctor on batch can 7 in.A spary plate washer 8 and B spary plate washer 9 are settled with the axial radian relative symmetry of half roller 2, and are close to half roller 2, to form double roller 2 and vacuum spray chamber 5 surrounds situation closely.A spary plate washer 8 and B spary plate washer 9 surround during bottom is formed the spary mouth 10 meeting and be when material sprays.Thus the state of the limited half circular motion of half roller 2, from start to finish drive the external triangle of vacuum spray chamber 5 and the A spary plate washer 8 and the tight veneer of B spary plate washer 9 that wrap up its body, formed and narrow from the width or by the narrow switching continuously broadened, reach the object of regulation and control spary mouth 10 width.
One of servicing unit relevant to shower nozzle unit is made up of half roller 2 and transmission mechanism.Transmission mechanism controls motor 15,16 by half roller travelling gear 13,14, half roller that half roller shaft 3,4 stretched out is installed and motor gear 17,18 forms.With half roller 2 coaxial line parallel above shower nozzle framework 1 sidewall on have hole 19,20.Half roller controls motor 15,16 and is positioned on corresponding position on shower nozzle framework 1 sidewall, and half roller controls motor shaft 21,22 and stretches to the inside near half roller 2 and mounted motor gear 17,18 respectively by hole 19,20.Half roller travelling gear 13,14 engages each other with motor gear 17,18, to form interaction relation respectively.
Two of the servicing unit relevant to shower nozzle unit is made up of A spary plate washer 8 and B spary plate washer 9 and its transmission mechanism.The transmission mechanism of A spary plate washer 8 and B spary plate washer 9 is by A spary plate washer 8, B spary plate washer 9, A spary plate washer axle head moon tooth gear 23,24, B spary plate washer axle head moon tooth gear 25,26, A micro control motor 27, B micro control motor 28 and A micro control motor gear 29, B micro control motor gear 30 form.A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 are the integrative-structure that front end is rotatable parts, lower end is plate washer parts.The periphery in the hole 11,12 on the inwall of shower nozzle framework 1 both sides is shaped with the axle sleeve 31,32 of protrusion respectively.Half roller shaft 3,4 also can be extended through hole 11,12 by axle sleeve 31,32 respectively.The internal diameter of A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 and the external diameter of axle sleeve 31,32 match, and A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 can be made circular arc wherein and rotate.The axial length of axle sleeve 31,32 is limited with the width that can hold A spary plate washer axle head moon tooth gear 23,24 and the respective reply of B spary plate washer axle head moon tooth gear 25,26 and superpose side by side.A micro control motor axle 33, B micro control motor axle 34 are each passed through built in shower nozzle framework 1 areole 35,36, enter the inside near half roller 2 and set up A micro control motor gear 29, B micro control motor gear 30.A micro control motor gear 29, B micro control motor gear 30 and corresponding A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 intersect superposition and engage each other.The length of A micro control motor gear 29, B micro control motor gear 30 is not less than the width that A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 stack up respectively, an i.e. tooth pipe bidentate---A micro control motor gear 29, B micro control motor gear 30 is once interaction, and A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 are and then moved; Final drive A spary plate washer 8 and B spary plate washer 9 are axle center action with axle sleeve 31,32, thus formed one scissors fork moment, impel the gap of spary mouth 10 also to change thereupon, or closure or openness or width change.The degrees of fusion when opens wide of spary mouth 10 determines to print when the thickness of spary material and product molding.
Three of the servicing unit relevant to shower nozzle unit is made up of batch can 7 and vacuum suction and raise materials device.Vacuum suction and raise materials device is made up of vacuum lung ventilator 37, vacuum suction and raise conduit 38 and return duct 39.Vacuum lung ventilator 37 has double-direction control and breathes and the function of convey materials, gets final product air-breathing, expiration and with air-flow conveying materials in double directions.Vacuum lung ventilator 37 is placed in the top of batch can 7, and its internal orifice 40 enters among batch can 7.Internal orifice 40 is connected to a vertical vacuum suction and raise conduit 38.The other end of vacuum suction and raise conduit 38 is inserted in material and blow vent 6, and the gas that namely vacuum suction and raise conduit 38 becomes airtight through vacuum spray chamber 5 port inhales the passage sending material.The outlet 41 of vacuum lung ventilator 37 connects a return duct 39.Return duct 39 turns back in batch can 7 through backflow pore 42.The top place of batch can 7 is shaped with a feed pipe 43.Feed pipe 43 inserts in batch can 7, and to be charging aperture be also coordinates row's air interchanger of the folding adjustment air pressure of spary mouth 10.
Four of the servicing unit relevant to shower nozzle unit is made up of batch can 7 and heater.Batch can 7 inwall is shaped with zone of heating 44.The LASER HEATING collar 45 is had in the outer race of vacuum suction and raise conduit 38.
Five of the servicing unit relevant to shower nozzle unit is made up of A spary plate washer 8, B spary plate washer 9 and cooling device.Cooling device is made up of A spary plate washer 8, B spary plate washer 9, A air inlet pipe 46, B air inlet pipe 47, A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 and A bar shaped air outlet 50, B bar shaped air outlet 51.A bar shaped enclosed slot 48, the B bar shaped enclosed slot 49 of hollow is shaped with in the body of A spary plate washer 8, B spary plate washer 9.A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 connect above A air inlet pipe 46 respectively, B air inlet pipe 47, A air inlet pipe 46, B air inlet pipe 47 lead in A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 respectively.A bar shaped air outlet 50, B bar shaped air outlet 51 is shaped with respectively below A bar shaped enclosed slot 48, B bar shaped enclosed slot 49.A bar shaped air outlet 50, B bar shaped air outlet 51 and spary mouth 10 are in the parastate of relative adjacent symmetric.Just be stacked on the material of print member top level from the red-hot ejection of spary mouth 10, the gas immediately through A bar shaped air outlet 50 and B bar shaped air outlet 51 brushes, and energy fast cooling solid, lowers dimensional stability to heating in house, ensures speed and the uniform strength of printing.
The design that the effective operation of all hardware relies on corresponding program controlled software is mated with it.
The present invention adopts spurt brush type technical pattern, can accomplish printing rapidly and efficiently.
Accompanying drawing explanation
Fig. 1 is front sectional view of the present invention.
Fig. 2 is side-looking operating mode schematic diagram of the present invention.
Fig. 3 is half roller 2 of the present invention and vacuum spray chamber 5 schematic diagram.
Fig. 4 is that the end of the present invention is depending on thoroughly cuing open schematic diagram.
Fig. 5 is schematic top plan view of the present invention.
Detailed description of the invention
Embodiment one: the present embodiment is made up of shower nozzle framework 1, shower nozzle unit.Shower nozzle unit is made up of half roller 2, material and blow vent 6, batch can 7, A spary plate washer 8, B spary plate washer 9 and spary mouth 10.Half roller 2 is a cylinder, is positioned on the lower end of shower nozzle framework 1.Half roller shaft 3,4 built in half roller 2 two ends is located through the hole 11 of the corresponding section, axle center, two ends of opening at shower nozzle framework 1, hole 12, is exposed.Half roller 2 for axis rotation, drives system batch can 7 at its upper end servo-actuated with half roller shaft 3,4.Half roller 2 is limited at the state can only making half circular motion.The size of batch can 7 and movement range are limited can not touch shower nozzle framework 1.Open the centre at half roller 2, have one to be similar to the leg-of-mutton vacuum spray chamber 5 of funnel.Vacuum spray chamber 5 triangle in indent, leg-of-mutton three outsides spread out with the radian of half roller 2 and are exposed.The leg-of-mutton base of vacuum spray chamber 5 and the axis being parallel of half roller 2; The vertical direction in half roller 2 axle axle center vis-a-vis, the leg-of-mutton upper angle of vacuum spray chamber 5.The leg-of-mutton part fallen in of vacuum spray chamber 5 also forms taper convergence in triangle geometry, extend to the middle part of half roller 2, communicate with material with blow vent 6 to half roller 2 depth.Material and blow vent 6 run through half remaining thickness of roller 2 be exposed at half roller 2 disjunctor on batch can 7 in.A spary plate washer 8 and B spary plate washer 9 are settled with the axial radian relative symmetry of half roller 2, and are close to half roller 2, to form double roller 2 and vacuum spray chamber 5 surrounds situation closely.A spary plate washer 8 and B spary plate washer 9 surround during bottom is formed the spary mouth 10 meeting and be when material sprays.Thus the state of the limited half circular motion of half roller 2, from start to finish drive the external triangle of vacuum spray chamber 5 and the A spary plate washer 8 and the tight veneer of B spary plate washer 9 that wrap up its body, formed and narrow from the width or by the narrow switching continuously broadened, reach the object of controllable spary mouth 10 width.
Embodiment two: associated by the present embodiment and embodiment one have, emphasis is, the servicing unit relevant to shower nozzle unit is made up of half roller 2 and transmission mechanism.Transmission mechanism controls motor 15,16 by half roller travelling gear 13,14, half roller that half roller shaft 3,4 stretched out is installed and motor gear 17,18 forms.With half roller 2 coaxial line parallel above shower nozzle framework 1 sidewall on have hole 19,20.Half roller controls motor 15,16 and is positioned on corresponding position on shower nozzle framework 1 sidewall, and half roller controls motor shaft 21,22 and stretches to the inside near half roller 2 and mounted motor gear 17,18 respectively by hole 19,20.Half roller travelling gear 13,14 engages each other with motor gear 17,18, to form interaction relation respectively.
Embodiment three: associated by the present embodiment and embodiment one have, emphasis is, the servicing unit relevant to shower nozzle unit is made up of A spary plate washer 8 and B spary plate washer 9 and its transmission mechanism.The transmission mechanism of A spary plate washer 8 and B spary plate washer 9 is by A spary plate washer 8, B spary plate washer 9, A spary plate washer axle head moon tooth gear 23,24, B spary plate washer axle head moon tooth gear 25,26, A micro control motor 27, B micro control motor 28 and A micro control motor gear 29, B micro control motor gear 30 form.A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 are the integrative-structure that front end is rotatable parts, lower end is plate washer parts.The periphery in the hole 11,12 on the inwall of shower nozzle framework 1 both sides is shaped with the axle sleeve 31,32 of protrusion respectively.Half roller shaft 3,4 also can be extended through hole 11,12 by axle sleeve 31,32 respectively.The internal diameter of A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 and the external diameter of axle sleeve 31,32 match, and A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 can be made circular arc wherein and rotate.The axial length of axle sleeve 31,32 is limited with the width that can hold A spary plate washer axle head moon tooth gear 23,24 and the respective reply of B spary plate washer axle head moon tooth gear 25,26 and superpose side by side.A micro control motor axle 33, B micro control motor axle 34 are each passed through built in shower nozzle framework 1 areole 35,36, enter the inside near half roller 2 and set up micro control motor gear 29,30.Micro control motor gear 29,30 and corresponding A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 intersect superposition and engage each other.A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26, the installation position of micro control motor gear 29,30 and A micro control motor 27, B micro control motor 28, can closely engage calmly with A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26, the reasonable running space of unlikely interference half roller 2 and transmission device thereof is suitable again.The respective length of micro control motor gear 29,30 is not less than A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25, the 26 corresponding width stacked up respectively, an i.e. tooth pipe bidentate---micro control motor gear 29,30 is once interaction, and A spary plate washer axle head moon tooth gear 23,24 and B spary plate washer axle head moon tooth gear 25,26 are and then moved; Final drive A spary plate washer 8 and B spary plate washer 9 are axle center action with axle sleeve 31,32, thus formed one scissors fork moment, impel the gap of spary mouth 10 also to change thereupon, or closure or openness or width change.The degrees of fusion when opens wide of spary mouth 10 determines to print when the thickness of spary material and product molding.
Embodiment four: associated by the present embodiment and embodiment one have, emphasis is, the servicing unit relevant to shower nozzle unit is made up of batch can 7 and vacuum suction and raise materials device.Vacuum suction and raise materials device is made up of vacuum lung ventilator 37, vacuum suction and raise conduit 38 and return duct 39.Vacuum lung ventilator 37 has double-direction control and breathes and the function of convey materials, gets final product air-breathing, expiration and with air-flow conveying materials in double directions.Vacuum lung ventilator 37 is placed in the top of batch can 7, and its internal orifice 40 enters among batch can 7.Internal orifice 40 is connected to a vertical vacuum suction and raise conduit 38.The other end of vacuum suction and raise conduit 38 is inserted in material and blow vent 6, and the gas that namely vacuum suction and raise conduit 38 becomes airtight through vacuum spray chamber 5 port inhales the passage sending material.The outlet 41 of vacuum lung ventilator 37 connects a return duct 39.Return duct 39 turns back in batch can 7 through backflow pore 42, sucks in batch can 7 to make the being inhaled material sent from vacuum spray chamber 5; Also the material in batch can 7 can be transported in vacuum spray chamber 5 through vacuum suction and raise conduit 38.When printing, there is material in vacuum spray chamber 5 by spary mouth 10 to trypsin method; When not printing or shower nozzle be in when printing neutral gear, the salvage stores in vacuum spray chamber 5 will all be sucked away, to ensure the clean of printing head and interface neatly, unlikely evaporating, emitting, dripping or leaking of liquid or gas.The top place of batch can 7 is shaped with a feed pipe 43.Feed pipe 43 inserts in batch can 7, and to be charging aperture be also coordinates row's air interchanger of the folding adjustment air pressure of spary mouth 10.
Embodiment five: associated by the present embodiment and embodiment one have, emphasis is, the servicing unit that shower nozzle unit is relevant is made up of batch can 7 and heater.Batch can 7 inwall is shaped with zone of heating 44.The LASER HEATING collar 45 is had in the outer race of vacuum suction and raise conduit 38.Through the process of heated at constant temperature and Fast Heating, material can be made fully to dissolve, guarantee that the thermosol of the product printed is respond well.
Embodiment six: associated by the present embodiment and embodiment one have, emphasis is, the servicing unit that shower nozzle unit is relevant is made up of A spary plate washer 8, B spary plate washer 9 and cooling device.Cooling device is made up of A spary plate washer 8, B spary plate washer 9, A air inlet pipe 46, B air inlet pipe 47, A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 and A bar shaped air outlet 50, B bar shaped air outlet 51.A bar shaped enclosed slot 48, the B bar shaped enclosed slot 49 of hollow is shaped with in the body of A spary plate washer 8, B spary plate washer 9.A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 connect above A air inlet pipe 46 respectively, B air inlet pipe 47, A air inlet pipe 46, B air inlet pipe 47 lead in A bar shaped enclosed slot 48, B bar shaped enclosed slot 49 respectively.A bar shaped air outlet 50, B air outlet 51 is shaped with respectively below A bar shaped enclosed slot 48, B bar shaped enclosed slot 49.A bar shaped air outlet 50, B air outlet 51 and spary mouth 10 are in the parastate of relative adjacent symmetric.Just be stacked on the material of print member top level from the red-hot ejection of spary mouth 10, the gas immediately through A air outlet 50 and B air outlet 51 brushes, and energy fast cooling solid, lowers dimensional stability to heating in house, ensures speed and the uniform strength of printing.
Embodiment seven: the present embodiment associates with embodiment one to embodiment six is organic, and emphasis is, the design that the effective operation of its all hardware relies on corresponding program controlled software is mated with it.The first, pattern changes.Coordinate spurt brush type structure, be " face property " mode of operation by the design of program controlled software by traditional " linearly " working mode transition, be namely designed in " with the face of wearing " from " with tape face " transformation.Printed by " by line " scanning " line line ", change over " by the face " scanning and printing in " with the face of wearing ", the entity namely according to graphics describes cross-sectional width, to match printing with the change width of spary mouth 10.Effective print span reference value of spary mouth 10 is set in 20% one 30% of the maximum printing width of machine.
The second, " three bit synchronizations ".Described cross section by the entity of the spary cross section of the parts that print, graphics, when being no more than the maximum printing width of spary mouth 10, the Trinity keeps synchronous.When exceeding spary mouth 10 maximum printing width, spary mouth 10 will have a new paragraph the printing that continues, till making.When being described cross section by the entity of the parts that print and graphics and being less than the width of spary mouth 10, spary mouth 10 describes the consistent width in cross section by automatically adjusting to be contracted to the entity of graphics, and the parts printed also are described cross section nominal width with the entity of graphics and conformed to the actual spreading width of spary mouth 10.In a word, the width of printing and the change of width, namely narrow from the width or broadened by narrow, all by the control of program controlled software, automatically adjust.
3rd, half roller 2 controls.Control motor 15,16 by half roller and complete synchronization mechanism conduction task by half roller travelling gear 13,14 and motor gear 17,18.The maximum radian of the half circular motion of half roller 2 is limited the leg-of-mutton vacuum spray chamber 5 opened wherein can be completely wrapped covering.The programme-control of double roller 2 is exactly the control to the print span be embodied on spary mouth 10.
4th, spary mouth 10 width and folding control.A micro control motor 27, B micro control motor 28 pass through A spary plate washer axle head moon tooth gear 23,24, B spary plate washer axle head moon tooth gear 25,26 and A micro control motor gear 29, B micro control motor gear 30, realize the control to A spary plate washer 8 and B spary plate washer 9, thus the final control formed spary mouth 10 width amplitude and folding.Degrees of fusion when the unlatching amplitude of spary mouth 10 determines to print when the thickness of spary material and product molding.Also print resolution can be referred to as.The design of the maximum unlatching amplitude of spary mouth 10, according to machine with by the difference of the size of print member and the requirement to material characteristic, and it is different, but be all limited not affect the production procedure quality not hindering print member, reference settings value is between the 0.5%-1.5% of the girth of half roller 2.Amplitude is too small reduces the thickness and speed that print; Excessive printing is coarse and flow in out of control.Maximum print thickness or resolution ratio are in Centimeter Level.Minimum print thickness or resolution ratio are in micron order.The folding of spary mouth 10 controls to depend on that associated vacuum inhales the program process control of feeding.
5th, spary mouth 10 carries out controlled closure designs, to adapt to the requirement to vacuum suction and raise material.
6th, the cooperation of vacuum suction and raise material and relevant parts controls.The vacuum lung ventilator 37 being placed in batch can 7 top plays a leading role.In fact vacuum lung ventilator 37 is exactly a pressure fan and an air exhauster or the assembly possessing these two kinds of function machines.When machine be in print state have a graphical information time, when namely having scanned three-dimensional cross-sectional sterogram, vacuum lung ventilator 37 is blown feeding, by its straight cutting to the vacuum suction and raise conduit 38 in vacuum spray chamber 5, the material in batch can 7 is blown into spary mouth 10 place of vacuum spray chamber 5 bottom surface.Conversely, though shut down when machine is in or is in print state, when not having graphic entity information or be in adjustment printing interval or space, vacuum lung ventilator 37 starts air-breathing and takes out material, material inside vacuum spray chamber 5 is all siphoned away and empties, take back in batch can 7 by return duct 39; Meanwhile, the spary mouth 10 closed closed operation coordinated inside vacuum spray chamber 5 immediately.Spary mouth 10 machine be in shutdown, power-off or without print out task time, be in normally off.Gas discharging in batch can 7 and displacement are realized by the function of vacuum lung ventilator 37 self and the opening and closing approach of feed pipe 43 and spary mouth 10.The completing of above program step depends on effective control of vacuum lung ventilator 37 and vacuum lung ventilator 37 cooperation to relevant parts such as A micro control motor 27, B micro control motors 28.
7th, heater.Zone of heating 44 in batch can 7 plays a major role.Designing requirement has the control measure of temperature adjustment and constant temperature.The LASER HEATING collar 45 being enclosed within vacuum suction and raise conduit 38 periphery plays the effect of auxiliary Fast Heating.When vacuum suction and raise conduit 38 outwards blow by feeding, the LASER HEATING collar 45 is at once energized and is heated rapidly, makes the heating once again before ejection of the material inside by vacuum suction and raise conduit 38 reach the temperature of regulation.Now, spary mouth 10 is also opened, and vacuum spray chamber 5 is filled by material, is in the state of printing.And when vacuum suction and raise conduit 38 inwardly bleed by suction, LASER HEATING ring 45 instant cut-off.This moment, spary mouth 10 closes, and the material in vacuum spray chamber 5 is inhaled sky, is in state that is to be printed or stopping printing.Above task all needs program controlled software to come to the cooperation of relevant parts.
8th, cooling device.Cooling device on A spary plate washer 8, B spary plate washer 9 is equally also subject to the control of remote control design software.When machine printing has the parts of cross section solid pattern, have calm the anger body just respectively by A air inlet pipe 46, B air inlet pipe 47 enters into A bar shaped enclosed slot 48, the gas of B bar shaped enclosed slot 49 just flings A bar shaped air outlet 50, B bar shaped air outlet 51 is emerged, directly blow the material of the topsheet surface of the parts be just printed, make its solid of lowering the temperature rapidly, reduce hot shortness, and adapt to the requirement of printing speed to shaping speed.When machine down or do not have to print have parts of cross section solid pattern time, or when being in neutral gear change gap, cooling device just quits work, and A bar shaped air outlet 50, B bar shaped air outlet 51 do not have gas to blow out yet.
Claims (7)
1.3D product printer and program control path, by shower nozzle framework (1), shower nozzle unit and the servicing unit relevant to shower nozzle unit form, it is characterized in that, shower nozzle unit is by half roller (2), material and blow vent (6), batch can (7), A spary plate washer (8), B spary plate washer (9) and spary mouth (10) composition, half roller (2) is a cylinder, be positioned on the lower end of shower nozzle framework (1), built in half roller shaft (3) at half roller (2) two ends, (4) through the hole (11) of the corresponding section, axle center, two ends of opening at shower nozzle framework (1), hole (12) is located, be exposed, half roller (2) is with half roller shaft (3), (4) be axis rotation, drive system batch can (7) at its upper end servo-actuated, half roller (2) is limited at the state can only making half circular motion, the size of batch can (7) and movement range are limited can not touch shower nozzle framework (1), open the centre in half roller (2), one is had to be similar to the leg-of-mutton vacuum spray chamber (5) of funnel, vacuum spray chamber (5) triangle in indent, leg-of-mutton three outsides spread out with the radian of half roller (2) and are exposed, the leg-of-mutton base of vacuum spray chamber (5) and the axis being parallel of half roller (2), the vertical direction in half roller (2) axle axle center vis-a-vis, the leg-of-mutton upper angle of vacuum spray chamber (5), the leg-of-mutton part fallen in of vacuum spray chamber (5) also forms taper convergence in triangle geometry, the middle part of half roller (2) is extended to half roller (2) depth, communicate with blow vent (6) with material, material and blow vent (6) run through half roller (2) remaining thickness be exposed at half roller (2) disjunctor on batch can (7) in, A spary plate washer (8) and B spary plate washer (9) are settled with the axial radian relative symmetry of half roller (2), and be close to half roller (2), to form double roller (2) and vacuum spray chamber (5) surrounds situation closely, A spary plate washer (8) and B spary plate washer (9) surround during bottom is formed the spary mouth (10) meeting and be when material sprays, thus the state of half roller (2) limited half circular motion, the triangle from start to finish driving vacuum spray chamber (5) external veneer tight with B spary plate washer (9) with the A spary plate washer (8) of its body of parcel, formed and to narrow from the width or by the narrow switching continuously broadened, reach the object of controllable spary mouth (10) width.
2. 3D product printer according to claim 1 and program control path, is characterized in that, one of shower nozzle unit servicing unit is made up of half roller (2) and transmission mechanism, and transmission mechanism is by half roller shaft (3) stretched out, (4) the upper half roller travelling gear (13) installed, (14), half roller controls motor (15), and motor gear (17) (16), (18) form, the sidewall of the shower nozzle framework (1) of the parallel top with half roller (2) coaxial line has hole (19), (20), half roller controls motor (15), (16) be positioned on the corresponding position on shower nozzle framework (1) sidewall, half roller controls motor shaft (21), (22) passing hole (19), (20) the inside near half roller (2) is stretched to and mounted motor gear (17), (18), half roller travelling gear (13), (14) with motor gear (17), (18) engage each other, to form interaction relation.
3. 3D product printer according to claim 1 and program control path, it is characterized in that, shower nozzle unit servicing unit two by A spary plate washer (8), B spary plate washer (9) and its transmission mechanism composition, the transmission mechanism of A spary plate washer (8) and B spary plate washer (9) is by A spary plate washer (8), B spary plate washer (9), A spary plate washer axle head moon tooth gear (23), (24), B spary plate washer axle head moon tooth gear (25), (26), A micro control motor (27), B micro control motor (28) and A micro control motor gear (29), B micro control motor gear (30) forms, A spary plate washer axle head moon tooth gear (23), (24) with B spary plate washer axle head moon tooth gear (25), (26) being front end is rotatable parts, lower end is the integrative-structure of plate washer parts.Hole (11) on the inwall of shower nozzle framework (1) both sides, (12) periphery is shaped with the axle sleeve (31) of protrusion respectively, (32), half roller shaft (3), (4) axle sleeve (31) can be passed through respectively, (32) and through hole (11), (12) extend, A spary plate washer axle head moon tooth gear (23), (24) with B spary plate washer axle head moon tooth gear (25), (26) internal diameter and axle sleeve (31), (32) external diameter matches, A spary plate washer axle head moon tooth gear (23), (24) with B spary plate washer axle head moon tooth gear (25), (26) circular arc can be made wherein rotate, axle sleeve (31), (32) axial length is can hold A spary plate washer axle head moon tooth gear (23), and B spary plate washer axle head moon tooth gear (25) (24), (26) width that reply superposes side by side is separately limited, A micro control motor axle (33), B micro control motor axle (34) is each passed through built in shower nozzle framework (1) areole (35), (36), enter the inside near half roller (2) and set up A micro control motor gear (29), B micro control motor gear (30), A micro control motor gear (29), B micro control motor gear (30) and corresponding A spary plate washer axle head moon tooth gear (23), and B spary plate washer axle head moon tooth gear (25) (24), (26) superposition that intersects engages each other, A micro control motor gear (29), the length of B micro control motor gear (30) is not less than A spary plate washer axle head moon tooth gear (23), and B spary plate washer axle head moon tooth gear (25) (24), (26) width stacked up respectively, i.e. a tooth pipe bidentate---A micro control motor gear (29), B micro control motor gear (30) once interaction, A spary plate washer axle head moon tooth gear (23), and B spary plate washer axle head moon tooth gear (25) (24), (26) and then move, final drive A spary plate washer (8) and B spary plate washer (9) with axle sleeve (31), (32) for axle center action, thus form a scissors fork moment, impel the gap of spary mouth (10) also to change thereupon, or closure or openness or width change, the degrees of fusion when opens wide of spary mouth (10) determines to print when the thickness of spary material and product molding.
4. 3D product printer according to claim 1 and program control path, it is characterized in that, three of shower nozzle unit relevant accessory device is made up of batch can (7) and vacuum suction and raise materials device, vacuum suction and raise materials device is by vacuum lung ventilator (37), vacuum suction and raise conduit (38) and return duct (39) composition, vacuum lung ventilator (37) has the function of double-direction control breathing and convey materials, get final product air-breathing, exhale and with air-flow conveying materials in double directions, vacuum lung ventilator (37) is placed in the top of batch can (7), its internal orifice (40) enters among batch can (7), internal orifice (40) is connected to a vertical vacuum suction and raise conduit (38), the other end of vacuum suction and raise conduit (38) is inserted in material and blow vent (6), the gas that vacuum suction and raise conduit (38) namely becomes airtight through vacuum spray chamber (5) port inhales the passage sending material, the outlet (41) of vacuum lung ventilator (37) connects a return duct (39), return duct (39) turns back in batch can (7) through backflow pore (42), the top place of batch can (7) is shaped with a feed pipe (43), row's air interchanger of to be charging aperture be also the folding adjustment air pressure coordinating spary mouth (10) that feed pipe (43) inserts in batch can (7).
5. 3D product printer according to claim 1 and program control path, it is characterized in that, four of shower nozzle unit relevant accessory device is made up of batch can (7) and heater, and heater forms by the zone of heating (44) on batch can (7) inwall with built in the LASER HEATING collar (45) of the periphery of vacuum suction and raise conduit (38).
6. 3D product printer according to claim 1 and program control path, is characterized in that, shower nozzle unit relevant accessory device five by A spary plate washer (8), B spary plate washer (9) and cooling device composition, cooling device is by A spary plate washer (8), B spary plate washer (9), A air inlet pipe (46), B air inlet pipe (47), A bar shaped enclosed slot (48), B bar shaped enclosed slot (49) and A bar shaped air outlet (50), B bar shaped air outlet (51) forms, at A spary plate washer (8), the A bar shaped enclosed slot (48) of hollow is shaped with in the body of B spary plate washer (9), B bar shaped enclosed slot (49) A, bar shaped enclosed slot (48), A air inlet pipe (46) is connect respectively above B bar shaped enclosed slot (49), B air inlet pipe (47), A air inlet pipe (46), B air inlet pipe (47) leads to A bar shaped enclosed slot (48) respectively, in B bar shaped enclosed slot (49), A bar shaped enclosed slot (48), A bar shaped air outlet (50) is shaped with respectively below B bar shaped enclosed slot (49), B bar shaped air outlet (51), A bar shaped air outlet (50), B bar shaped air outlet (51) is in the parastate of relative adjacent symmetric with spary mouth (10).
7. according to claim 1---the 3D product printer described in 6 and program control path, it is characterized in that, the design that the effective operation of all hardware relies on corresponding program controlled software is mated with it, first, pattern changes, coordinate spurt brush type structure, be " face property " mode of operation by the design of program controlled software by traditional " linearly " working mode transition, namely change from " with tape face " and be designed in " with the face of wearing ", printed by " by line " scanning " line line ", change over " by the face " scanning and printing in " with the face of wearing ", namely the entity according to graphics describes cross-sectional width, to match printing with the change width of spary mouth (10), effective print span reference value of spary mouth (10) is set in the 20%-30% of the maximum printing width of machine,
Second, by the spary cross section of parts printed, the entity of graphics describes cross section, when being no more than the maximum printing width of spary mouth (10), the Trinity keeps synchronous, when exceeding spary mouth (10) maximum printing width, spary mouth (10) will have a new paragraph the printing that continues, till making, when being described cross section by the entity of the parts that print and graphics and being less than the width of spary mouth (10), spary mouth (10) describes the consistent width in cross section by automatically adjusting to be contracted to the entity of graphics, the parts printed also are described cross section nominal width with the entity of graphics and are conformed to the actual spreading width of spary mouth (10), in a word, the width printed and the change of width, namely narrow from the width or broadened by narrow, all by the control of program controlled software, automatic adjustment,
3rd, the control of double roller (2) controls motor (15) by half roller, (16) have been carried out synchronization mechanism by half roller travelling gear (13), (14) and motor gear (17), (18) and conducted task, the maximum radian of the half circular motion of half roller (2) is limited the leg-of-mutton vacuum spray chamber (5) of opening wherein can be completely wrapped covering, and the programme-control of double roller (2) is exactly to the control of the print span be embodied on spary mouth (10);
4th, spary mouth (10) width and folding are controlled, by A micro control motor (27), B micro control motor (28) passes through A spary plate washer axle head moon tooth gear (23), (24), B spary plate washer axle head moon tooth gear (25), and A micro control motor gear (29) (26), the control of B micro control motor gear (30), realize the control of A spary plate washer (8) with B spary plate washer (9), thus the final control formed spary mouth (10) width amplitude and folding, degrees of fusion when the unlatching amplitude of spary mouth (10) determines to print when the thickness of spary material and product molding, also print resolution can be referred to as, the design of the maximum unlatching amplitude of spary mouth (10), according to machine with by the difference of the size of print member and the requirement to material characteristic, and it is different, but be all limited not affect the production procedure quality not hindering print member, reference settings value is between the 0.5%-1.5% of the girth of half roller (2), amplitude is too small reduces the thickness and speed that print, excessive printing is coarse and flow in out of control, and maximum print thickness or resolution ratio are in Centimeter Level, and minimum print thickness or resolution ratio are in micron order, and the folding of spary mouth (10) controls to depend on that the program process that associated vacuum inhales feeding controls,
5th, spary mouth (10) carries out controlled closure designs, to adapt to the requirement to vacuum suction and raise material;
6th, to the control of the cooperation of vacuum suction and raise material and relevant parts, the vacuum lung ventilator (37) being placed in batch can (7) top plays a leading role, vacuum lung ventilator (37) is in fact exactly a pressure fan and an air exhauster or the assembly possessing these two kinds of function machines, when machine be in print state have a graphical information time, when namely having scanned three-dimensional cross-sectional sterogram, vacuum lung ventilator (37) air blowing feeding, by its straight cutting to the vacuum suction and raise conduit (38) in vacuum spray chamber (5), material in batch can (7) is blown into spary mouth (10) place of vacuum spray chamber (5) bottom surface, conversely, though shut down when machine is in or is in print state, but when there is no graphic entity information or be in adjustment printing interval or space, vacuum lung ventilator (37) starts air-breathing and takes out material, the material of vacuum spray chamber (5) the inside is all siphoned away and empties, take back in batch can (7) by return duct (38), simultaneously, spary mouth (10) is the closed closed operation coordinating vacuum spray chamber (5) the inside immediately, spary mouth (10) is in shutdown at machine, power-off or without print out task time, be in normally off, gas discharging in batch can (7) and displacement are realized by the function of vacuum lung ventilator (37) self and the opening and closing approach of feed pipe (43) and spary mouth (10), the completing of above program step depends on effective control of vacuum lung ventilator (37) and vacuum lung ventilator (37) and A micro control motor (27), the cooperation of the relevant parts such as B micro control motor (28),
7th, heater is played a major role by the zone of heating (44) in batch can (7), designing requirement has carries out temperature adjustment and thermostatically controlled measure to it, be enclosed within the effect that the peripheral LASER HEATING collar (45) of vacuum suction and raise conduit (38) plays auxiliary Fast Heating, when vacuum suction and raise conduit (37) outwards blow by feeding, the LASER HEATING collar (45) is at once energized and is heated rapidly, make to reach the temperature of regulation by material heating once again before ejection of vacuum suction and raise conduit (38) the inside, now, spary mouth (10) is also opened, vacuum spray chamber (5) is filled by material, be in the state of printing, and when vacuum suction and raise conduit (38) inwardly bleed by suction, the LASER HEATING collar (45) instant cut-off, this moment, spary mouth (10) closes, material in vacuum spray chamber (5) is inhaled sky, be in state that is to be printed or stopping printing, above task all needs program controlled software to come to the cooperation of relevant parts,
8th, built in A spary plate washer (8), cooling device on B spary plate washer (9) is equally also subject to the control of remote control design software, when machine printing has the parts of cross section solid pattern, calm the anger body just respectively by A air inlet pipe (46), B air inlet pipe (47) enters into A bar shaped enclosed slot (48), gas in B bar shaped enclosed slot (49) just flings A bar shaped air outlet (50), B bar shaped air outlet (51) is emerged, directly blow the material of the topsheet surface of the parts be just printed, make its solid of lowering the temperature rapidly, reduce hot shortness, and adapt to the requirement of printing speed to shaping speed, when machine down or do not have to print have parts of cross section solid pattern time, or when being in neutral gear change gap, cooling device just quits work, A bar shaped air outlet (50), B bar shaped air outlet (51) does not have gas to blow out yet.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872443A (en) * | 2022-05-26 | 2022-08-09 | 苏州乐之微电子有限公司 | Jet printing head of jet printing machine |
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