CN204658278U - A kind of Novel pressure clamps - Google Patents
A kind of Novel pressure clamps Download PDFInfo
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- CN204658278U CN204658278U CN201520298344.5U CN201520298344U CN204658278U CN 204658278 U CN204658278 U CN 204658278U CN 201520298344 U CN201520298344 U CN 201520298344U CN 204658278 U CN204658278 U CN 204658278U
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Abstract
The utility model discloses a kind of Novel pressure clamps.In the fixed cover (7a) that the guide effect that described pressing clamp overlaps fairlead (1) and bivalve cover (16) by lobe makes rubber bushing (17) more easily enter on front lower control arm, realize the back-pressure operation after overvoltage by anti-push rod (11).Make first overvoltage by the utility model, the bushing press-mounting technique of going back to tram in back-pressure implements more convenient, and location is more accurate, and the dimensional accuracy of finished product is higher, and uniformity is better.The labour intensity of workman is lower simultaneously, efficiency is higher.
Description
Technical field
The utility model relates to frock clamp field, particularly relates to a kind of Novel pressure clamps.
Background technology
Automobile chassis is made up of subframe miscellaneous, control arm, swing arm, pull bar, is bolted between these parts more.Due to certain relative motion can be produced along with the change of road conditions causes between each parts in chassis when automobile travels on road, so all resilient bushing can be provided with in each parts junction when these parts of design.Mostly the resilient bushing that current automobile uses is rubber bushing.---welding---paint---assembling that the general manufacturing process of vehicle chassis component is punching press.Above-mentioned resilient bushing press-fits into welding assembly in assembly process, and lining has pressed rear unit assembly to be just shaped.My company front lower control arm newly developed is due to bushing press-mounting difficulty, and size is unstable, and rework rate is high, cannot normal volume production, brings great economic loss to company.
Utility model content
In order to overcome above-mentioned defect and not enough the utility model provides following technical scheme: a kind of Novel pressure clamps, described pressing clamp comprises lobe cover fairlead, upper plate, drive unit A, bivalve cover, spring C, hold-down screw, supporting seat, positioning sleeve, lower shoe, drive unit B, spring B, anti-push rod, described bivalve cover is by left lobe cover, right lobe cover, two connecting axles and two spring A form, a described left side, right lobe cover is that a round platform is cut open along its shaft section and formed, described round platform center is provided with through hole, described through hole is followed successively by cylinder shaft part from top to bottom, inverted cone shaft part, the through hole of cylinder shaft part, left, the end face center of right lobe cover is respectively provided with a mounting hole A, described mounting hole A runs through a described left side, right lobe cover, left, the bottom center of right lobe cover is also respectively provided with a mounting hole B, described mounting hole A is arranged with mounting hole B is concentric, the length and width of mounting hole B are all greater than mounting hole A, left lobe cover cutting plane is vertically fixed with two connecting axles, described connecting axle is a multidiameter comprising two shaft parts, the end of shaft part thicker on described connecting axle is provided with screw thread and puts for connecting axle being fixed on left lobe, described connecting axle is arranged with a spring A, left lobe cover is inserted in one end of described spring A, the other end inserts right lobe cover, the thinner shaft part of described connecting axle inserts in the hole arranged in right lobe cover, right lobe cover can slide along shaft part thinner in connecting axle, described lower shoe is fixed on press, described lower shoe is fixed with supporting seat, supporting seat center is provided with through hole, described positioning sleeve is arranged in the through hole on supporting seat, described anti-push rod is arranged with described positioning sleeve is concentric, and one end of described anti-push rod insert described in positioning sleeve in, the other end of described anti-push rod is connected with drive unit B, described spring B is set in outside described anti-push rod, and one end of spring B is inserted in described positioning sleeve, described drive unit B is fixedly connected with described lower shoe, described drive unit B drives described anti-push rod can move up and down along its axis, described lower shoe is also fixed with drive unit A, described drive unit A is connected with described upper plate, described upper plate is arranged on above described supporting seat, described upper plate can move up and down under the effect of described drive unit A, described lobe cover fairlead is arranged in described upper plate, and be fixedly connected with upper plate, described lobe cover fairlead center is provided with through hole, described through hole comprises the columned lining pilot hole being arranged on top, what be arranged on middle columned transitional pore and be arranged on bottom overlaps with bivalve the conical bore that profile matches, screwed hole is provided with at the end face of described transitional pore, described bivalve cover is arranged at the below of described lobe cover fairlead, and with lobe, to overlap fairlead concentric, two hold-down screws pass from two the mounting hole A be located at bivalve cover, be fixed on the screwed hole in described lobe cover fairlead, described spring C is sheathed on described hold-down screw, one end and the bivalve of described spring C overlap end face and contact, the other end and lobe overlap fairlead and contact.
As preferably, described drive unit A comprises the guide pillar and sliding sleeve that two covers work in coordination, two cylinder A, described two guide pillars are separately positioned on the two ends, left and right of described lower shoe upper surface center line, and be fixedly connected with lower shoe, described two sliding sleeves are arranged in the two ends, left and right of upper plate center line respectively, concentric with the guide pillar of the side that exists together, described sliding sleeve is fixedly connected with described upper plate, described guide pillar inserts in described sliding sleeve, described two cylinder A are separately fixed on the upper surface of described lower shoe, and the left and right sides, office, the piston of described cylinder A is fixedly connected with described upper plate.
As preferably, described anti-push rod is cylindric, the end face center of not inserting one end of positioning sleeve at anti-push rod is provided with the thin slice that is " U " font, described thin slice is provided with a circular hole, the axes normal of described circular hole is in the axis of anti-push rod, described drive unit B comprises cylinder B, fixed head, cylinder push-rod, bearing pin, connecting rod, fixed bar, back-pressure stroke adjustment nut, locking nut, described connecting rod front is in " H " font, mounting hole is had in front, described mounting hole A runs through two sides before and after described connecting rod, manhole is provided with in the side of described connecting rod, described manhole penetrates described mounting hole, the two ends of the side of described connecting rod are respectively equipped with waist through hole B and waist through hole C, described waist through hole B and waist through hole C all runs through described connecting rod, described fixed bar one end is provided with manhole, described cylinder push-rod one end is also provided with manhole, described cylinder B is fixed on described fixed head, described fixed head is fixed on described lower shoe, the piston upper end of described cylinder B is provided with locking nut and back-pressure stroke adjustment nut from top to bottom, the lower end of the piston of described cylinder B is fixedly connected with cylinder push-rod, described bearing pin is simultaneously through the mounting hole C on described connecting rod and the manhole on described cylinder push-rod, described fixed bar is fixed on lower shoe, its other end by pinned connection to the manhole on described connecting rod, bearing pin is provided with in the circular hole of described anti-push rod one end, described bearing pin is simultaneously also through the mounting hole B on described connecting rod.
As preferably, be provided with matching used pad A and pad B between described cylinder A piston and upper plate, described pad A upper surface is the spheric of projection, and the spheric of lower surface in depression of described pad B, the sphere on pad A and pad B cooperatively interacts.
Compared with prior art, the utility model has following beneficial effect: in the installation sleeve that the guide effect of being overlapped by lobe cover fairlead and bivalve makes lining more easily enter on front lower control arm, first overvoltage is made by the utility model, the bushing press-mounting technique of going back to tram in back-pressure implements more convenient, it is more accurate to locate, the dimensional accuracy of finished product is higher, and uniformity is better.The labour intensity of workman is lower simultaneously, efficiency is higher.
Accompanying drawing explanation
Fig. 1 is schematic diagram when part is just located on fixture in the utility model detailed description of the invention.
Fig. 2 is that fixture master when first pressing completes in the utility model detailed description of the invention looks complete section figure.
Fig. 3 is that complete section figure is looked on fixture right side when first pressing completes in the utility model detailed description of the invention.
Fig. 4 is that fixture master when back-pressure completes in the utility model detailed description of the invention looks complete section figure.
Fig. 5 is that complete section figure is looked on fixture right side when back-pressure completes in the utility model detailed description of the invention.
Fig. 6 be suppressed in the utility model detailed description of the invention rear jig mechanism completely reset workpiece do not get state master and look complete section figure.
Fig. 7 be suppressed in the utility model detailed description of the invention rear jig mechanism completely reset workpiece do not get the state right side and look complete section figure.
Fig. 8 is front lower control arm welding assembly stereogram in the utility model detailed description of the invention.
Fig. 9 is that in the utility model detailed description of the invention, lining master looks full sectional view.
Figure 10 is that the utility model detailed description of the invention mesopetalum cover fairlead master looks full sectional view.
Figure 11 is bivalve cover top view in the utility model detailed description of the invention.
Figure 12 is that in the utility model detailed description of the invention, bivalve overlaps A-A to sectional view.
Figure 13 is supporting seat stereogram in the utility model detailed description of the invention.
Figure 14 is that in the utility model detailed description of the invention, supporting seat master looks full sectional view.
Figure 15 is that in the utility model detailed description of the invention, positioning seat master looks full sectional view.
Figure 16 is anti-push rod stereogram in the utility model detailed description of the invention.
Figure 17 is connecting rod stereogram in the utility model detailed description of the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.Fig. 1 is schematic diagram when part is just located on fixture in the utility model detailed description of the invention.A Novel pressure clamps as shown in Figure 1, described pressing clamp comprises lobe cover fairlead 1, sliding sleeve 2, upper plate 3, guide pillar 4, lower shoe 5, cylinder A6, anti-push rod sliding sleeve 8, connecting rod 9, bearing pin 10, anti-push rod 11, fixed bar 12, fixed block 13, cylinder push-rod 14, cylinder B15, bivalve cover 16, hold-down screw 18, spring C19, positioning sleeve 20, pad A21, pad B22, locking nut 23, back-pressure stroke adjustment nut 24, fixed head 25, supporting seat 27, spring B 28.
Described lobe cover fairlead is a multidiameter comprising two shaft parts, and with one heart and be cylindric, top shaft section diameter is comparatively large, and highly less, bottom shaft section diameter is little, highly greatly for described two shaft parts.Described lobe cover fairlead center is provided with through hole, described through hole is divided into upper, middle and lower three hole sections, its middle upper aperture section 1a is cylindric, its diameter matches with lining 17 external diameter to be press-fited, bottom hole section 1c is round table-like, and the round platform that its size pieces together with bivalve cover matches, and interstitial hole section is cylindric, its diameter is identical with the upper end face diameter of a circle of bottom hole section round platform, and in interstitial hole section, end face is provided with symmetrical two screwed hole 1b.
Described sliding sleeve 2 is a multidiameter comprising two shaft parts, and with one heart and be cylindric, top shaft section diameter is comparatively large, and highly less, bottom shaft section diameter is little, highly greatly for described two shaft parts.Described sliding sleeve center is provided with a manhole, and described manhole diameter and guide pillar match.
Described upper plate 3 is rectangular, and described upper plate 3 end face center is provided with manhole, and its diameter and lobe overlap fairlead 1 bottom shaft section diameter and match.The two ends of described upper plate 3 end face horizontal center line are respectively provided with a manhole, and the diameter of its diameter and sliding sleeve bottom shaft part matches.
Described guide pillar 4 is a multidiameter comprising three shaft parts, and with one heart and be cylindric, wherein top shaft section diameter and described sliding sleeve 2 endoporus match described three shaft parts.
Described lower shoe 5 is rectangular, and described lower shoe 5 end face center is provided with manhole, and the two ends of described lower shoe 5 end face horizontal center line are respectively provided with a circular hole, and the diameter of described Circularhole diameter and guide pillar 4 bottom shaft part matches.Described lower shoe 5 has rectangular recess above, mutually interferes when press-fiting to avoid front lower control arm.
Described anti-push rod sliding sleeve 8 is a multidiameter comprising two shaft parts, and with one heart and be cylindric, described anti-push rod sliding sleeve 8 center is provided with manhole to described two shaft parts, and its diameter and anti-push rod match.
Described connecting rod 9 front is in " H " font, mounting hole A9b is had in front, described mounting hole A9b runs through two sides before and after described connecting rod 9, manhole 9e is provided with in the side of described connecting rod 9, described manhole 9e penetrates described mounting hole 9b, the two ends of the side of described connecting rod 9 are respectively equipped with waist through hole B9d and waist through hole C9f, and described waist through hole B9d and waist through hole C9f all runs through described connecting rod 9.
Described anti-push rod 11 is in cylindric, the thin slice 11a that one is " U " font is provided with at the end face center of anti-push rod 11 one end, the width of described thin slice 11a is identical with the diameter of anti-push rod 11, described thin slice 11a is provided with a manhole 11b, and the axes normal of described manhole 11b is in the axis of anti-push rod (11).
One end of described fixed bar 12 is identical with anti-push rod 11, is also provided with " U " font thin slice, and the width of described thin slice is identical with described fixed bar 12 diameter, and described thin slice is provided with a manhole, and the axes normal of described manhole is in the axis of fixed bar 12.
Described fixed block 13 is in cylindric, and on described fixed block 13, end face is provided with annular projection, and described fixed block 13 center is provided with manhole, and the diameter of its diameter and anti-push rod sliding sleeve 8 bottom shaft part matches.
One end of described cylinder push-rod 14 is identical with anti-push rod 11, also " U " font thin slice is provided with, the width of described thin slice is identical with described cylinder push-rod 14 diameter, and described thin slice is provided with a manhole, and the axes normal of described manhole is in the axis of cylinder push-rod 14.
The piston upper end of described cylinder B15 is provided with locking nut 23 and back-pressure stroke adjustment nut 24 from top to bottom.
Described bivalve cover 16 overlaps 16a by left lobe, right lobe cover 16b, two connecting axle 16d and two spring A16e form, a described left side, right lobe cover is that a round platform is cut open along its shaft section and formed, described round platform center is provided with through hole, described through hole is followed successively by cylindrical hole section from top to bottom, rounding taper hole section, the through hole of cylindrical hole section, left, the end face center of right lobe cover is respectively provided with a mounting hole A16c, described mounting hole A runs through a described left side, right lobe cover, left, the bottom center of right lobe cover is also respectively provided with a mounting hole B, described mounting hole A is arranged with mounting hole B is concentric, the length and width of mounting hole B are all greater than mounting hole A, left lobe cover 16a cutting plane is vertically fixed with two connecting axle 16d, described connecting axle 16d is a multidiameter comprising two shaft parts, the end of shaft part thicker on described connecting axle 16d is provided with screw thread for connecting axle 16d being fixed on left lobe cover 16a, described connecting axle 16d is arranged with a spring A16e, one end of described spring A16e is inserted left lobe cover 16a and contacts with it, the other end inserts right lobe cover 16b, also contact with it, the thinner shaft part of described connecting axle 16d inserts in the hole arranged in right lobe cover 16b, right lobe cover 16b can slide along shaft part thinner in connecting axle 16d.
Described positioning sleeve 20 comprises two shaft parts setting up and down, the shaft part of its middle and upper part comprises again round platform portion 20a setting up and down successively and cylindrical portion 20b, the diameter of described cylindrical portion 20b is identical with round platform subordinate bottom surface diameter of a circle, the rounded flake of described positioning sleeve 20 bottom shaft part, its diameter is slightly larger than the diameter of cylindrical portion 20b in the shaft part of top, described positioning sleeve 20 center is provided with through hole, described through hole is provided with cylindrical hole section 20e from top to bottom successively, conical bore section and great circle post holes section 20d, the diameter of described cylindrical hole section 20e is identical with the diameter of top surface profile in conical bore section, the diameter of described great circle post holes section 20d is identical with the diameter of conical bore section bottom surface profile.
Described pad A21 is cylindric, and on it, end face is the spherical crown of a projection.Described pad B is also in cylindric, and its bottom surface is the Surface of Sphere of an indent, and described indent Surface of Sphere and described spherical crown match.
Described supporting seat 27 comprises a cylinder shaft part 27d, surperficial concentric be provided with the slightly little shaft part I27c of a diameter thereon, the end face center of described shaft part I27c is provided with a circular hole 27b, the diameter compatible of the cylindrical portion 20b on the diameter of described circular hole and described positioning sleeve 20 closes, the upper surface 27f of shaft part I27c is provided with a rectangular recess, the degree of depth of described groove is less than the height of described shaft part I27c, the sidewall of described rectangular recess side overlaps with the shaft section of shaft part I27c, and the hole wall of described circular hole 27b is divided into small one and large one two parts by described groove.Be provided with a semicircular ring at the end face of the major part hole wall of described circular hole 27b and fill protruding 27a, the outside diameter of described semi-annular shape projection is identical with the diameter of shaft part I27c, in it, circular diameter is slightly larger than the diameter of described circular hole 27b, and described interior circular diameter matches with the external diameter of the lining fixed cover on front lower control arm.The bottom surface of described cylinder shaft part 27d is provided with one heart the shaft part II27e that a diameter is less than cylinder shaft part 27, described shaft part II27e lower surface center is provided with a circular hole, and the diameter of described Circularhole diameter and described positioning sleeve 20 bottom shaft part matches.
Described lower shoe 5 is fixed on press, described supporting seat 27 is arranged with the circular hole at lower shoe 4 center is concentric, the shaft part II27e of supporting seat 27 bottom inserts in the centre bore of lower shoe 5, the internal face of the semi-annular shape projection on described supporting seat 27 is to the front of lower shoe 5, and supporting seat is fixed on lower shoe 5.Described positioning sleeve 20 is arranged in the circular hole 27b on described supporting seat 27, and it is concentric with this circular hole, described fixed block 13 arranges the below with described lower shoe 5, the circular projection on described fixed block 13 look into as described in lower shoe 5 center circular hole in, and fixed block 13 is fixedly connected with lower shoe 5.Described anti-push rod sliding sleeve 8 is arranged at below described fixed block 13, and the shaft part on described anti-push rod sliding sleeve 8 top inserts the centre bore on described fixed block 13, and anti-push rod sliding sleeve 8 is fixedly connected with fixed block 13.Described anti-push rod 11 inserts in the centre bore of described anti-push rod sliding sleeve 13, and the upper end of described anti-push rod 11 is inserted in the through hole in described positioning sleeve 20.Described spring B 28 is sheathed on outside described anti-push rod 11, and its upper end is inserted in the great circle post holes section 20d of described positioning sleeve 20, and its lower end withstands on described fixed block 13.The thin slice 11a of described anti-push rod 11 lower end inserts in the groove 9c of one end of described connecting rod 9 " H " shape, and bearing pin 10 runs through the mounting hole B9d on connecting rod and the circular hole 11b on thin slice 11a simultaneously, is connected by anti-push rod 11 with connecting rod 9.The thin slice of described fixed bar 12 lower end inserts in the kidney slot A9b on connecting rod 9, and a bearing pin 10 runs through the circular hole 9e on connecting rod 9 and the circular hole in solid push rod 12 lower foil simultaneously, and the upper end of fixed bar 12 is fixed on described lower shoe 5.The thin slice of described cylinder push-rod 14 lower end inserts in the groove 9a of one end of connecting rod 9 " H " shape, and a bearing pin 10 runs through the kidney slot C9f on described connecting rod 9 and the circular hole on the thin slice of cylinder push-rod 14 lower end simultaneously, connecting rod 9 and cylinder push-rod 14 is coupled together.The upper end of described cylinder push-rod 14 is connected with the lower end of the piston of cylinder B15.Described cylinder B15 is fixed on one end of fixed head 25 upper surface, and the one end of fixed head 25 not being installed cylinder B15 is fixed on the rear portion of lower shoe 5 upper surface.Described cylinder A is on totally 2 symmetrical upper surfaces being fixed on lower shoe 5, the lower surface of described pad A21 is close in the upper surface of described cylinder A6 piston rod, on the spherical crown surface of above-mentioned pad A upper end and described pad B lower surface, the sphere of indent matches, the lower surface of upper plate 3 is close in the upper surface of pad B, and a screw runs through upper plate 3, the piston rod of cylinder A and upper plate 3 are fixed together by pad A, pad B.Described guide pillar 4 is totally two covers, and the shaft part of its underpart inserts and is located in the circular hole at the two ends of lower shoe 5 end face horizontal center line, and is fixedly connected with lower shoe 5, and the upper end of described guide pillar 4 top shaft part is inserted in the centre bore on described sliding sleeve 2.The shaft part that on described sliding sleeve 2, diameter is less inserts and is located in the manhole at the two ends of upper plate 3 end face horizontal center line, and sliding sleeve 2 is fixedly connected with upper plate 5.Described upper plate 3 is arranged on above described supporting seat.The shaft part that diameter on described lobe cover fairlead 1 is less inserts in the centre bore of upper plate 3, and is fixedly connected with upper plate 3.Described bivalve cover 16 is arranged at the below of described lobe cover fairlead 1, and with lobe, to overlap fairlead 1 concentric, two hold-down screws 18 pass from two the mounting hole A16c be located at bivalve cover, be fixed on the screwed hole 1b in described lobe cover fairlead 1, described spring C19 is sheathed on described hold-down screw 18, one end and the bivalve of described spring C19 overlap 16 end faces and contact, and the other end and lobe overlap fairlead 1 and contact.
During work, first by the lining fixed cover 7a on front lower control arm welding assembly 7 as on described supporting seat 27, the lower surface of described fixed cover 7a overlaps with the end face 27f of shaft part I27c on supporting seat 20.Round platform portion 20a on described positioning sleeve 20 inserts in the endoporus of described fixed cover 7a, thus described front lower control arm welding assembly 7 is located.Then starting cylinder A6 makes its piston move downward, and the piston driving upper plate 3 of cylinder A6 moves downward along guide pillar 4, makes bivalve overlap the lower end face of 16 and contacts with the upper end face of fixed cover 7a.Piston continues descending, making lobe overlap fairlead 1 continues descending, and bivalve cover 16 due to the stop of fixed cover 7a cannot be descending, therefore bivalve cover 16 relative lobe cover fairlead 1 moves upward, spring C19 is compressed, start when the round table-like hole section on lobe cover fairlead 1 and lobe overlap the intersection 1d of fairlead 1 bottom surface and bivalve overlaps 16 wall contacts, along with cylinder A6 piston continues descending, band moving vane cover fairlead 1 continues descending, thus make bivalve overlap 16 relatively and lobe overlap while fairlead 1 moves upward, left lobe cover 16a and right lobe cover 16b starts along connecting axle 16d wherein to central motion, extrusion spring A16e simultaneously, until left, right lobe cover closes up into round table-like completely, and it is left, the hole wall of the round table-like hole section that the outer surface of right lobe cover and lobe overlap in fairlead 1 is fitted, now piston reaches descending extreme position, front lower control arm welding assembly 7 is completely fixed.Then the position of locked cylinder A piston.Rubber bushing 17 the to be press-fited centre bore from lobe cover fairlead 1 is put into, start press, pressure head 26 is descending, plug on pressure head 26 inserts in the centre bore of rubber bushing 17, under the extruding of pressure head 26, to overlap 16 centre bores along bivalve descending for lining 17, be provided with rounding taper hole section because bivalve overlaps in 16 centre bores simultaneously, extruding rubber bushing 17 external diameter being subject to described rounding taper hole section reduces gradually and makes rubber bushing be pressed in fixed cover 7a gradually, when the lower surface of rubber bushing 17 has contacted with the upper surface of positioning sleeve 20, along with rubber bushing 17 is constantly pressed into, positioning sleeve 20 is descending gradually, spring B 28 is compressed gradually, until the position of the lower stationary plane 17b of rubber bushing 17 is lower than fixed cover 7a lower surface one segment distance, then pressure head 26 rises, leave after lobe cover fairlead 1 until pressure head 26, start cylinder B15, its piston is moved downward, promote cylinder push-rod 14 to move downward, owing to only can relatively rotate between fixed bar 12 and connecting rod 9, and fixed bar 12 itself is fixed and cannot be moved, thus make connecting rod 9 and fixed bar 12 form a lever construction, the cylinder push-rod 14 being arranged on lever one end moves downward, the anti-push rod 11 being arranged on the lever other end is moved upward along anti-push rod sliding sleeve 8, from the upper surface of anti-push rod 11 contacts with rubber bushing 17 lower surface, along with anti-push rod 11 constantly moves upward, the rubber bushing 17 of overvoltage is upwards pushed up gradually, positioning sleeve 20 upwards resets under the effect of spring B 28 simultaneously simultaneously, until fit in the lower stationary plane 17b of rubber bushing 17 and the lower surface of fixed cover, now rubber bushing 17 compacting puts in place, anti-push rod 11 stops moving upward.Then cylinder A6 is started, upper plate 3 is upwards pushed up, be with moving vane cover to lead 1 to move upward to cover simultaneously, now so be pressed on fixed cover 7a because the effect bivalve of spring C19 overlaps 16, simultaneously because lobe cover fairlead 1 is up, make left and right lobe cover lose constraint, left and right lobe is separated under being enclosed within the effect of spring A gradually, the rubber bushing 17 be extruded restores gradually, is fitted completely in the upper stationary plane 17a of rubber bushing 17 and the upper surface of fixed cover.Along with lobe cover fairlead 1 continues to rise under the drive of upper plate 3, spring C19 is restored completely, then by hold-down screw 18, bivalve is overlapped 16 pull-ups and reset.Cylinder B piston upwards simultaneously, thus drive anti-push rod to reset.Positioning sleeve 20 upwards resets on one side under the effect of spring B, by lower control arm upwards jack-up before completing, until reset completely.
Compared with prior art, the utility model has following beneficial effect: in the installation sleeve that the guide effect of being overlapped by lobe cover fairlead and bivalve makes lining more easily enter on front lower control arm, first overvoltage is made by the utility model, the bushing press-mounting technique of going back to tram in back-pressure implements more convenient, it is more accurate to locate, the dimensional accuracy of finished product is higher, and uniformity is better.The labour intensity of workman is lower simultaneously, efficiency is higher.
Below the utility model has been described in detail, but the utility model is not limited to detailed description of the invention described herein.It will be appreciated by those skilled in the art that when not deviating from the utility model scope, other changes and distortion can be made.Protection domain of the present utility model is defined by the following claims.
Claims (4)
1. a Novel pressure clamps, it is characterized in that, described pressing clamp comprise lobe cover fairlead (1), upper plate (3), drive unit A, bivalve cover (16), spring C(19), hold-down screw (18), supporting seat (27), positioning sleeve (20), lower shoe (5), drive unit B, spring B, anti-push rod (11), described bivalve cover (16) is by left lobe cover (16a), right lobe cover (16b), two connecting axles (16d) and two spring A(16e) composition, a described left side, right lobe cover is that a round platform is cut open along its shaft section and formed, described round platform center is provided with through hole, described through hole is followed successively by cylinder shaft part from top to bottom, inverted cone shaft part, the through hole of cylinder shaft part, left, the end face center of right lobe cover is respectively provided with a mounting hole A(16c), described mounting hole A runs through a described left side, right lobe cover, left, the bottom center of right lobe cover is also respectively provided with a mounting hole B, described mounting hole A is arranged with mounting hole B is concentric, the length and width of mounting hole B are all greater than mounting hole A, left lobe cover (16a) cutting plane is vertically fixed with two connecting axles (16d), described connecting axle (16d) is a multidiameter comprising two shaft parts, the end of shaft part thicker on described connecting axle (16d) is provided with screw thread for connecting axle (16d) is fixed on left lobe cover (16a), described connecting axle (16d) is arranged with a spring A(16e), described spring A(16e) one end insert left lobe cover (16a) and contact with it, the other end inserts right lobe cover (16b), also contact with it, the thinner shaft part of described connecting axle (16d) inserts in the hole arranged in right lobe cover (16b), right lobe cover (16b) can be slided along shaft part thinner in connecting axle (16d), described lower shoe (5) is fixed on press, described lower shoe (5) is fixed with supporting seat (27), supporting seat (27) center is provided with through hole (27b), described positioning sleeve (20) is arranged in the through hole (27b) on supporting seat (27), described anti-push rod (11) is arranged with described positioning sleeve (20) is concentric, and one end of described anti-push rod (11) insert described in positioning sleeve (20) in, the other end of described anti-push rod (11) is connected with drive unit B, described spring B (28) is set in described anti-push rod (11) outward, and one end of spring B (28) is inserted in described positioning sleeve (20), described drive unit B is fixedly connected with described lower shoe (5), described drive unit B drives described anti-push rod (11) can move up and down along its axis, (5) are also fixed with drive unit A to described lower shoe, described drive unit A is connected with described upper plate (3), described upper plate (3) is arranged on described supporting seat (20) top, described upper plate (3) can move up and down under the effect of described drive unit A, described lobe cover fairlead (1) is arranged in described upper plate (3), and be fixedly connected with upper plate (3), described lobe cover fairlead (1) center is provided with through hole, described through hole comprises the columned lining pilot hole (1a) being arranged on top, the conical bore (1c) matched with bivalve cover (16) profile being arranged on middle columned transitional pore and being arranged on bottom, screwed hole (1b) is provided with at the end face of described transitional pore, described bivalve cover (16) is arranged at the below of described lobe cover fairlead (1), and with lobe, to overlap fairlead (1) concentric, two hold-down screws (18) are from two the mounting hole A(16c be located at bivalve cover) in pass, be fixed on the screwed hole (1b) in described lobe cover fairlead (1), described spring C(19) be sheathed on described hold-down screw (18), described spring C(19) one end contact with bivalve cover (16) end face, the other end and lobe overlap fairlead (1) and contact.
2. a kind of Novel pressure clamps according to claim 1, it is characterized in that, described drive unit A comprises the guide pillar (4) and sliding sleeve (2) that two covers work in coordination, two cylinder A(6), described two guide pillars are separately positioned on the two ends, left and right of described lower shoe (5) upper surface center line, and be fixedly connected with lower shoe, described two sliding sleeves (2) are arranged in the two ends, left and right of upper plate (3) center line respectively, concentric with the guide pillar (4) of the side that exists together, described sliding sleeve (2) is fixedly connected with described upper plate (3), described guide pillar (4) inserts in described sliding sleeve (2), described two cylinder A(6) be separately fixed on the upper surface of described lower shoe (5), and the left and right sides, office, described cylinder A(6) piston be fixedly connected with described upper plate (3).
3. a kind of Novel pressure clamps according to claim 2, it is characterized in that, described anti-push rod (11) is in cylindric, the end face center of not inserting one end of positioning sleeve (20) at anti-push rod (11) is provided with the thin slice (11a) that is " U " font, described thin slice (11a) is provided with a circular hole (11b), the axes normal of described circular hole (11b) is in the axis of anti-push rod (11), described drive unit B comprises cylinder B(15), fixed head (25), cylinder push-rod (14), bearing pin (10), connecting rod (9), fixed bar (12), back-pressure stroke adjustment nut (24), locking nut (23), described connecting rod (9) front is in " H " font, mounting hole (9b) is had in front, described mounting hole A(9b) run through two sides before and after described connecting rod (9), manhole (9e) is provided with in the side of described connecting rod (9), described manhole (9e) penetrates described mounting hole (9b), the two ends of the side of described connecting rod (9) are respectively equipped with waist through hole B(9d) and waist through hole C(9f), described waist through hole B(9d) and waist through hole C(9f) all run through described connecting rod (9), described fixed bar (12) one end is provided with manhole, described cylinder push-rod (14) one end is also provided with manhole, described cylinder B(15) be fixed on described fixed head (25), described fixed head is fixed on (5) on described lower shoe, described cylinder B(15) piston upper end be provided with locking nut (23) and back-pressure stroke adjustment nut (24) from top to bottom, described cylinder B(15) the lower end of piston be fixedly connected with cylinder push-rod (14), described bearing pin (10) is simultaneously through the mounting hole C(9f on described connecting rod (9)) and described cylinder push-rod (14) on manhole, described fixed bar (12) is fixed on lower shoe (5), its other end is connected to the manhole (9e) on described connecting rod (9) by bearing pin (10), bearing pin (10) is provided with in the circular hole (11b) of described anti-push rod (11) one end, described bearing pin (10) is simultaneously also through the mounting hole B(9d on described connecting rod (9)).
4. a kind of Novel pressure clamps according to claim 2, it is characterized in that, described cylinder A(6) be provided with matching used pad A(21 between piston and upper plate (3)) and pad B(22), described pad A upper surface is the spheric of projection, the spheric of lower surface in depression of described pad B, the sphere on pad A and pad B cooperatively interacts.
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| CN105666097A (en) * | 2016-03-10 | 2016-06-15 | 宁波拓普集团股份有限公司 | Front lower control arm front bushing pressing tool |
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