CN103496027A - Artificial board pre-sizing device and artificial board size stirring device - Google Patents
Artificial board pre-sizing device and artificial board size stirring device Download PDFInfo
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- CN103496027A CN103496027A CN201310499564.XA CN201310499564A CN103496027A CN 103496027 A CN103496027 A CN 103496027A CN 201310499564 A CN201310499564 A CN 201310499564A CN 103496027 A CN103496027 A CN 103496027A
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Abstract
The invention relates to an artificial board pre-sizing device and an artificial board size stirring device. The artificial board pre-sizing device comprises a material scattering device (2), a trough (3) is formed below the material scattering device (2) and a size spraying system (4) is arranged on the upper portion of the trough (3) in a surrounding mode, wherein an inlet (7) of the material scattering device (2) is connected to a bin, an outlet (12) of the material scattering device (2) is connected to a feed port (13) of the trough (3), a discharge port (21) of the trough (3) is connected to a size stirring machine, and the feed port (13) is located above the discharge port (21). According to the artificial board pre-sizing device and the artificial board size stirring device, the material scattering device is used for scattering materials so that sizing can be conducted in the trough more evenly, the size spraying system is arranged on the upper portion of the trough in the surrounding mode, so that the size spraying coverage area is large and sizing is evener; the materials inside the size stirring machine are in a wet state so that over sizing cannot occur easily.
Description
Technical field
The present invention relates to the wood-based plate processing technique field, relate in particular to the pre-size applicator of a kind of wood-based plate and wood-based plate glue mixing equipment.
Background technology
In Wood-based Panel Production technique, applying glue is a requisite link.For example: in the production process of particieboard, dried wood shavings need to utilize glue mixer to complete fully mixing of wood shavings and glue, are all that horizontal internal body at glue mixer completes for the pre-applying glue of wood shavings and glue mixing, and then enter molding procedure.
In prior art, extensively adopt the ring type glue mixer to carry out pre-applying glue and glue mixing to wood shavings.The spraying colloid system of ring type glue mixer is arranged on charging aperture sidewall and Horizontal stirring body upper inside wall, spraying colloid system utilizes nozzle that adhesive is sent forth through charging aperture and entered on the wood shavings of internal body, under the stirring pawl effect be installed on glue mixer internal body shaft, wood shavings and wood shavings, wood shavings and adhesive are in contact with one another friction, complete pre-applying glue and the glue mixing operation of material.The nozzle of spraying colloid system is arranged on the glue mixer length direction approximately on 2/3 place's inwall, the 1/3 glue mixer length that is used for being uniformly mixed is wasted, and nozzle is visited glue spraying in the body of glue mixer, this layout makes nozzle distance material ring too short, applying glue is not in spraying colloid system optimized nebulization district, the glue spraying area coverage is little, need the friction between later-stage utilization material and material to realize that adhesive covers in the dispersion on material surface, the resin application methods of this mechanical friction makes glue disperse uneven on the material surface, tiny material is compared larger pieces of material and is obtained more adhesives, applying glue is inhomogeneous, and owing to entering material in glue mixer in drying regime, the frictional impact of material and material, material and stirring pawl, easily destroy shaving shape, increases the material percentage of damage, tiny material increase the increase that causes resin added, cause excessive applying glue.
Summary of the invention
The present invention need to solve, the problem of the inhomogeneous and excessive applying glue of the applying glue existed in wood-based plate glue mixing process.
In order to solve the problems of the technologies described above, the invention provides the pre-size applicator of a kind of wood-based plate, comprising: material scattering device, the below of described material scattering device is provided with hopper, and the top of described hopper is surrounded with spraying colloid system;
Wherein, the entrance of described material scattering device is attached to feed bin, and the outlet of described material scattering device is attached to the charging aperture of described hopper, and the discharging opening of described hopper is attached to glue mixer, and described charging aperture is positioned at the top of described discharging opening.
In a kind of possible implementation, the bulk cargo roller of at least two reverse rotations being installed in described material scattering device and being parallel to each other, wherein, a bulk cargo roller position is fixed, and another bulk cargo roller can move by along continuous straight runs.
In a kind of possible implementation, be arranged with roller on the roll shaft of described bulk cargo roller, be evenly distributed with the roller pin on described roller.
In a kind of possible implementation, comprise interlayer between the inner and outer wall of described hopper, described inwall and described outer wall adopt annular cover rigid attachment, and circular hole is left on described annular cover surface, the bottom of described interlayer is provided with water inlet, and the top of described interlayer is provided with delivery port.
In a kind of possible implementation, the pre-size applicator of this wood-based plate also comprises automatic gel resin system, and described automatic gel resin system comprises except glue device, upper ring cap, ring gear, pinion and lower ring set;
Described pinion and described ring gear external toothing, described ring gear and described upper ring cap are integrated by the gusset rigid attachment;
Described top and described upper ring cap rigid attachment except the glue device, described bottom and described lower ring set rigid attachment except the glue device, the described glue device that removes is under the drive of described pinion, ring gear, upper ring cap, in the internal rotating motion of described hopper.
In a kind of possible implementation, the described glue device that removes comprises scraper and scraper support, and described scraper is attached to upper ring cap and lower ring set by scraper support.
In a kind of possible implementation, the pre-size applicator of this wood-based plate also comprises:
The first motor, connect with the roll shaft of two bulk cargo rollers of described material scattering device, for driving two reverse synchronized runnings of roll shaft;
The second motor, connect with described pinion, for driving described pinion rotation, to drive described ring gear, upper ring cap, lower ring set and to remove the glue device and rotate.
In a kind of possible implementation, the pre-size applicator of this wood-based plate also comprises:
The decelerator connected with described pinion.
In a kind of possible implementation, described spraying colloid system comprises: nozzle holder and a plurality of nozzle, described nozzle is on the circle-shaped inwall that evenly is arranged on described hopper by described nozzle holder.
The present invention also provides a kind of wood-based plate glue mixing equipment, comprising: the pre-size applicator of the wood-based plate of any one structure and glue mixer in the embodiment of the present invention;
The discharging opening of the hopper of the pre-size applicator of described wood-based plate is attached to the entrance of described glue mixer.
In the embodiment of the present invention, the entrance of material scattering device is above the discharging opening of hopper, and the employing material scattering device can be by material scattering, and the material after breaing up can enter hopper under Action of Gravity Field, can more uniform applying glue in hopper.Further, spraying colloid system is around the top that is arranged on hopper, can extend the applying glue distance, make material in more excellent range of atomization, the glue spraying area coverage is large, material can before entering glue mixer, its surface be by a certain amount of adhesive in spraying, and applying glue is more even, is not easy to occur excessive applying glue; And the material in glue mixer is in moisture state, the material form is not easy destroyed.
The accompanying drawing explanation
The accompanying drawing that is included in specification and forms the part of specification shows exemplary embodiment of the present invention, feature and aspect together with specification, and for explaining principle of the present invention.
The pre-size applicator structural representation of the wood-based plate that Fig. 1 is the embodiment of the present invention one;
The pre-size applicator structural representation of the wood-based plate that Fig. 2 is the embodiment of the present invention two;
The structural representation of bulk cargo roller in the pre-size applicator of the wood-based plate that Fig. 3 is the embodiment of the present invention two;
Fig. 4 is the schematic diagram of Fig. 2 in the C-C direction;
Fig. 5 is the schematic diagram of Fig. 4 in the D-D direction.
Description of reference numerals:
2: material scattering device; 3: hopper; 4: spraying colloid system;
5: except the glue device; 7: entrance; 8: roller;
9: roll shaft; 10: the roller pin; 12: outlet;
13: charging aperture; 19: scraper support; 20: scraper;
21: discharging opening; 22: upper ring cap; 23: nozzle holder;
24: nozzle; 25: ring gear; 26: the annular cover;
27: pinion; 28: lower ring set.
The specific embodiment
Describe various exemplary embodiments of the present invention, feature and aspect in detail below with reference to accompanying drawing.The identical same or analogous element of Reference numeral presentation function in accompanying drawing.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, needn't draw accompanying drawing in proportion.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.
In addition, for better explanation the present invention, provided numerous details in the specific embodiment hereinafter.It will be appreciated by those skilled in the art that and there is no some detail, the present invention can implement equally.In some instances, the method for knowing for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present invention.
Embodiment mono-
The pre-size applicator structural representation of the wood-based plate that Fig. 1 is the embodiment of the present invention one, as shown in Figure 1, the pre-size applicator of this wood-based plate can comprise: material scattering device 2, the below of described material scattering device 2 is provided with hopper 3, and the top of described hopper 3 is surrounded with spraying colloid system 4.
Wherein, the entrance 7 of described material scattering device 2 is attached to feed bin, and the outlet 12 of described material scattering device 2 is attached to the charging aperture 13 of described hopper 3, and the discharging opening 21 of described hopper 3 is attached to glue mixer, and described charging aperture 13 is positioned at the top of described discharging opening 21.
Particularly, the entrance 7 of material scattering device 2 could be attached to the outlet of feed bin, material scattering device 2 outlets 12 can be via the bolt rigid attachment with the charging aperture 13 of hopper 3, the discharging opening 21 of hopper 2 can link to glue mixer, can the material on artificial board product line be transported in the material scattering device 2 of the pre-size applicator of wood-based plate as wood shavings by feed bin.In the pre-size applicator of the artificial plate of the present invention, the entrance 7 of material scattering device 2 is in discharging opening 21 tops of hopper 3 (being mixing chamber), and therefore, axis is longitudinally, and unconventional horizontal direction.As shown in the direction of arrow of Fig. 1, material falls under gravity in hopper 3 after breaing up via material scattering device 2, and in hopper 3, the material surface can, by the adhesive of the upper atomization of spraying colloid system 4 spraying, then arrive discharging opening 21.Wherein, this glue mixer can be the ring type glue mixer, can be also the glue mixer of other types.
The entrance of the pre-size applicator material scattering device of the artificial plate of the present invention is above the discharging opening of hopper, and the employing material scattering device can be by material scattering, and the material after breaing up can enter hopper under Action of Gravity Field, can more uniform applying glue in hopper.Further, spraying colloid system is around the top that is arranged on hopper, can extend the applying glue distance, make material in more excellent range of atomization, the glue spraying area coverage is large, material can before entering glue mixer, its surface be by a certain amount of adhesive in spraying, and applying glue is more even, is not easy to occur excessive applying glue; And the material in glue mixer is in moisture state, the material form is not easy destroyed.
Embodiment bis-
The pre-size applicator structural representation of the wood-based plate that Fig. 2 is the embodiment of the present invention two, as shown in Figure 2, on the basis of a upper embodiment, in the pre-size applicator of this wood-based plate, the interior bulk cargo roller that at least two reverse rotations can be installed and be parallel to each other of described material scattering device 2, wherein, a bulk cargo roller position can be fixed, and another bulk cargo roller can move by along continuous straight runs, wherein, moving range can be preferably 10~60mm, by spacing between adjusting roller, can regulate inlet amount.
Further, the structural representation of bulk cargo roller in the pre-size applicator of the wood-based plate that Fig. 3 is the embodiment of the present invention two, the left view that Fig. 3 is Fig. 2, as shown in Figure 3, roller 8 can be arranged with on the roll shaft 9 of described bulk cargo roller, on described roller 8, roller pin 10 can be evenly distributed with.
Particularly, as shown in Figure 2, the top of material scattering device 2 can be rectangular structure, bottom can be for being the housing of rectangular pyramid shape, and the entrance 7 on top can receive the motion material from feed bin.At least two reverse rotations of the interior installation of material scattering device 2 and the bulk cargo roller be parallel to each other, bulk cargo roller top is uniformly distributed the roller pin, can drive this to the relative motion of bulk cargo roller by a motor.When material transports out from feed bin, also exist certain conglomeration or caking phenomenon, when bulk conglomeration material falls into material scattering device, need through roller 8, roller 8 is under the driving of the first motor, utilize 9 pairs of conglomeration materials of a large amount of roller pins to be pulled, by the further dispersed material of these mechanical means, wood shavings can be distributed in material flow more even, eliminate as far as possible the material clustering phenomena, realize continuous feeding, make material better at next step, to carry out applying glue.
Fig. 4 is the schematic diagram of Fig. 2 in the C-C direction, as shown in Figure 2 and Figure 4, the spraying colloid system 4 of the pre-size applicator of this wood-based plate can comprise: nozzle holder 23 and a plurality of nozzle 24, described nozzle 24 is on the circle-shaped inwall that evenly is arranged on described hopper 3 by described nozzle holder 23.Wherein, the nozzle sets number is preferably 4 groups, can increase and decrease the nozzle sets number according to actual operating conditions, and regulates nozzle angle.
Particularly, material is being carried out to applying glue, before material and glue enter glue mixer, systems pumps and nozzle under high pressure can be by the adhesive atomizations, when material, when the adhesive range of atomization, as before wood shavings fall into glue mixer, a certain amount of adhesive has been gone up by spraying in its surface.
Further, the pre-size applicator of this wood-based plate can also comprise water cooling system.As shown in Figure 2, water cooling system can form by hopper 3.Particularly, comprise interlayer between the inner and outer wall of described hopper 3, described inwall and described outer wall adopt annular cover 26 rigid attachment, circular hole is left on described annular cover 26 surfaces, the bottom of described interlayer is provided with water inlet, the top of described interlayer is provided with delivery port, and water can from top to bottom circulation under pressure.
Particularly, hopper 3 of the present invention can be preferably pyramid type, hopper 3 have one with the charging aperture and the discharging opening connected with glue mixer that provide the material scattering device of breaing up material to connect, material is inner through discharging opening via hopper from charging aperture; Complete the steps such as glue spraying, mixing, cleaning inwall in hopper inside.Wherein, material is in dropping process, and friction each other, collision make material surface temperature raise, through with hopper 3 inwall collisions, producing heat, cause that hopper 3 inner wall temperatures raise, thereby the adhesive and the tiny material that cause being sprayed on inwall more easily stick on inwall.Can utilize normal-temperature water to flow through water cooling system that hopper 3 inside and outside walls form, the mode by exchange heat reduces the hopper temperature, thereby reduces the possibility of the material adhere on its inner wall such as adhesive.
In addition; because prior art glue mixing and applying glue are all to complete in stirring body; excessively applying glue will cause unnecessary adhesive and tiny material all can be bonded on the body inwall; glue mixer needs regularly to shut down the cleaning inwall; even change inwall; the normal operation of guarantee equipment, the service life of having reduced equipment.Therefore, the pre-size applicator of this wood-based plate can also comprise automatic gel resin system, Fig. 5 is the schematic diagram of Fig. 4 in the D-D direction, and as shown in Fig. 2~Fig. 5, described automatic gel resin system can comprise except glue device 5, upper ring cap 22, ring gear 25, pinion 27 and lower ring set 28;
Described pinion 27 and described ring gear 25 external toothings, described ring gear 25 is integrated by the gusset rigid attachment with described upper ring cap 22;
Described top and described upper ring cap 22 rigid attachment except glue device 5, described bottom and described lower ring set 28 rigid attachment except glue device 5, the described glue device 5 that removes is under the drive at described pinion 27, ring gear 25, upper ring cap 22, in the internal rotating motion of described hopper 3.
In addition, the gel resin system can also comprise rotating shaft 14, runner 15 and rolling bearing 16 automatically, and runner 15 is enclosed within rotating shaft 14, and rolling bearing 16 1 ends are arranged in rotating shaft 14, and rolling bearing 16 other ends are attached to the inwall of hopper 3; And runner 15 contacts with the outer wall of ring gear 25, runner 15 can be at the fixing ring gear 25 of horizontal and vertical direction by frictional force.
Wherein, except glue device 5 comprises scraper 20 and scraper support 19, described scraper 20 passes through scraper support 19 rigid attachment to upper ring cap and lower ring set 28.Preferably, scraper 20 is at least four, between two adjacent scrapers 20, preferably with 90 degree inclination angles, arranges, around the inwall circle distribution.
In a kind of possible implementation, the motor of the pre-size applicator of this wood-based plate can be two, specifically can comprise:
The first motor (not shown), connect with the roll shaft 9 of two bulk cargo rollers of described material scattering device, for driving two reverse synchronized runnings of roll shaft 9;
The second motor (not shown), connect with described pinion 27, for driving described pinion 27, rotates, to drive described ring gear 25, upper ring cap 22, lower ring set 28 and to remove glue device 5 and rotate.
In a kind of possible implementation, the pre-size applicator of this wood-based plate can also comprise: the decelerator connected with described pinion (27).Wherein, material scattering device also can be connected with decelerator.
In addition, inwall, upper ring cap 22 and lower ring set 28 surfaces of removing glue device 5, hopper 3 can scribble non-adhesive material, prevent that the impurity such as a large amount of adhesives, tiny material from cementing in its surface, and like this, the gel resin system is easier to cleaning automatically.
Particularly, pinion 27 can be controlled rotary speed by the second motor and decelerator, and pinion 27 is by driving ring gear 25 around its axis rotation with ring gear 25 external toothings, and ring gear 25 is integrated by the gusset rigid attachment with upper ring cap 22; Upper ring cap 22 rotates with ring gear 25, and upper ring cap 22 utilizes the roller elements contacted bottom it to support, and keeps its rotatablely moving in the horizontal direction; Except glue device 5 and top upper ring cap 22 rigid attachment, thereby drive except glue device 5; Except glue device 5 bottoms and lower ring set 28 rigid attachment, thereby keep except 5 smooth workings of glue device.Wherein, except glue device 5 can tangentially move the adhesive of removing inwall and adhering to, tiny material, impurity etc. along hopper 3 inwalls, play the effect of clean hopper 3 inwalls, except glue device 5 continuous operation under the drive of the second motor, clear up in time inwall, thereby prevent that deposit from appearring in inwall, and the materials such as adhesive of removing in time also do not have enough time to form relatively large conglomeration material, it can fall to moving in glue mixer with material, can't affect the plate surface quality.Without shutting down for the cleaning inwall, improved the efficiency of whole Process of Applying Glue.
The entrance of the pre-size applicator material scattering device of the artificial plate of the present invention is above the discharging opening of hopper, and the employing material scattering device can be by material scattering, and the material after breaing up can enter hopper under Action of Gravity Field, can more uniform applying glue in hopper.Further, spraying colloid system is around the top that is arranged on hopper, can extend the applying glue distance, make material in more excellent range of atomization, the glue spraying area coverage is large, material can before entering glue mixer, its surface be by a certain amount of adhesive in spraying, and applying glue is more even, is not easy to occur excessive applying glue; And the material in glue mixer is in moisture state, the material form is not easy destroyed.In addition, the water cooling system formed at the interlayer of hopper inside and outside wall, can reduce by the mode of exchange heat the hopper temperature, thereby reduce the possibility of the material adhere on its inner wall such as adhesive.Have, the gel resin system can be cleared up the inwall of hopper in time automatically again, reduces the inwall viscose glue phenomenon of mixer, improves service life and the sizing efficiency of glue mixer.
Embodiment tri-
The embodiment of the present invention three provides a kind of wood-based plate glue mixing equipment, and this wood-based plate glue mixing equipment comprises the pre-size applicator of the wood-based plate of any one structure and glue mixer in the above embodiment of the present invention; Wherein, the discharging opening of the hopper of the pre-size applicator of described wood-based plate is attached to the entrance of described glue mixer.
The artificial plate glue mixing of the present invention equipment, in the body of glue mixer, glue-spraying device can be set, but the pre-size applicator of wood-based plate of the employing embodiment of the present invention, due to the entrance of material scattering device above the discharging opening of hopper, the employing material scattering device can be by material scattering, material after breaing up can enter hopper under Action of Gravity Field, can more uniform applying glue in hopper.Further, spraying colloid system is around the top that is arranged on hopper, can extend the applying glue distance, make material in more excellent range of atomization, the glue spraying area coverage is large, material can before entering glue mixer, its surface be by a certain amount of adhesive in spraying, and applying glue is more even, is not easy to occur excessive applying glue; And the material in glue mixer is in moisture state, the material form is not easy destroyed.In addition, the water cooling system formed at the interlayer of hopper inside and outside wall, can reduce by the mode of exchange heat the hopper temperature, thereby reduce the possibility of the material adhere on its inner wall such as adhesive.Have, the gel resin system can be cleared up the inwall of hopper in time automatically again, reduces the inwall viscose glue phenomenon of mixer, improves service life and the sizing efficiency of glue mixer.
Claims (10)
1. the pre-size applicator of wood-based plate, is characterized in that, comprising: material scattering device (2), and the below of described material scattering device (2) is provided with hopper (3), and the top of described hopper (3) is surrounded with spraying colloid system (4);
Wherein, the entrance (7) of described material scattering device (2) is attached to feed bin, the outlet (12) of described material scattering device (2) is attached to the charging aperture (13) of described hopper (3), the discharging opening (21) of described hopper (3) is attached to glue mixer, and described charging aperture (13) is positioned at the top of described discharging opening (21).
2. the pre-size applicator of wood-based plate according to claim 1, it is characterized in that, the bulk cargo roller of at least two reverse rotations being installed in described material scattering device (2) and being parallel to each other, wherein, a bulk cargo roller position is fixed, and another bulk cargo roller can move by along continuous straight runs.
3. the pre-size applicator of wood-based plate according to claim 2, is characterized in that, is arranged with roller (8) on the roll shaft of described bulk cargo roller (9), is evenly distributed with roller pin (10) on described roller (8).
4. according to the pre-size applicator of the described wood-based plate of any one in claim 1~3, it is characterized in that, comprise interlayer between the inner and outer wall of described hopper (3), described inwall and described outer wall adopt annular cover (26) rigid attachment, circular hole is left on described annular cover (26) surface, the bottom of described interlayer is provided with water inlet, and the top of described interlayer is provided with delivery port.
5. according to the pre-size applicator of the described wood-based plate of any one in claim 1~3, it is characterized in that, also comprise automatic gel resin system, described automatic gel resin system comprises except glue device (5), upper ring cap (22), ring gear (25), pinion (27) and lower ring set (28);
Described pinion (27) and described ring gear (25) external toothing, described ring gear (25) is integrated by the gusset rigid attachment with described upper ring cap (22);
Described top and described upper ring cap (22) rigid attachment except glue device (5), described bottom and described lower ring set (28) rigid attachment except glue device (5), the described glue device (5) that removes is under the drive at described pinion (27), ring gear (25), upper ring cap (22), in the internal rotating motion of described hopper (3).
6. the pre-size applicator of wood-based plate according to claim 5, it is characterized in that, the described glue device (5) that removes comprises scraper (20) and scraper support (19), and described scraper (20) is attached to upper ring cap (22) and lower ring set (28) by scraper support (19).
7. the pre-size applicator of wood-based plate according to claim 1 and 2, is characterized in that, also comprises:
The first motor, connect with the roll shaft (9) of two bulk cargo rollers of described material scattering device, for driving the reverse synchronized running of two roll shafts (9);
The second motor, connect with described pinion (27), for driving described pinion (27), rotates, to drive described ring gear (25), upper ring cap (22), lower ring set (28) and to remove glue device (5) and rotate.
8. the pre-size applicator of wood-based plate according to claim 7, is characterized in that, also comprises:
The decelerator connected with described pinion (27).
9. the pre-size applicator of wood-based plate according to claim 1 and 2, it is characterized in that, described spraying colloid system (4) comprising: nozzle holder (23) and a plurality of nozzle (24), described nozzle (24) is on the circle-shaped inwall that evenly is arranged on described hopper (3) by described nozzle holder (23).
10. a wood-based plate glue mixing equipment, is characterized in that, comprising: the pre-size applicator of the described wood-based plate of any one and glue mixer in claim 1~9;
The discharging opening of the hopper of the pre-size applicator of described wood-based plate is attached to the entrance of described glue mixer.
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CN201310499564.XA CN103496027A (en) | 2013-10-23 | 2013-10-23 | Artificial board pre-sizing device and artificial board size stirring device |
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CN109732722A (en) * | 2018-12-29 | 2019-05-10 | 湖北宝源木业有限公司 | It is provided with the wet flaking transmitting device of spray structure and the transmission method of wet flaking |
CN110091406A (en) * | 2019-05-08 | 2019-08-06 | 宛兴怀 | A kind of production technology of high-density particleboard |
CN110181646A (en) * | 2019-06-25 | 2019-08-30 | 南宁科天水性科技有限责任公司 | A kind of use for laboratory OSB drum-type glue mixer |
CN111745850A (en) * | 2020-07-02 | 2020-10-09 | 陈宇琪 | Rubber material granulator and working method thereof |
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CN110091406A (en) * | 2019-05-08 | 2019-08-06 | 宛兴怀 | A kind of production technology of high-density particleboard |
CN110181646A (en) * | 2019-06-25 | 2019-08-30 | 南宁科天水性科技有限责任公司 | A kind of use for laboratory OSB drum-type glue mixer |
CN111745850A (en) * | 2020-07-02 | 2020-10-09 | 陈宇琪 | Rubber material granulator and working method thereof |
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Application publication date: 20140108 |