CN214515591U - Gluing device of laminator - Google Patents

Gluing device of laminator Download PDF

Info

Publication number
CN214515591U
CN214515591U CN202120909600.5U CN202120909600U CN214515591U CN 214515591 U CN214515591 U CN 214515591U CN 202120909600 U CN202120909600 U CN 202120909600U CN 214515591 U CN214515591 U CN 214515591U
Authority
CN
China
Prior art keywords
glue
plate
board
fixed
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120909600.5U
Other languages
Chinese (zh)
Inventor
李阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shunde Qingdao Xingye Packing Co ltd
Original Assignee
Shunde Qingdao Xingye Packing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shunde Qingdao Xingye Packing Co ltd filed Critical Shunde Qingdao Xingye Packing Co ltd
Priority to CN202120909600.5U priority Critical patent/CN214515591U/en
Application granted granted Critical
Publication of CN214515591U publication Critical patent/CN214515591U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Coating Apparatus (AREA)

Abstract

The utility model discloses a rubber coating device of wainscot machine, relate to cardboard wainscot machine equipment technical field, including the workstation and be fixed in the rubber coating frame of its upper surface, the workstation upper surface rotates and is provided with a plurality of conveying rollers, be fixed with on the rubber coating frame and store up the gluey case, be provided with on the rubber coating frame and be used for storing up the gluey incasement glue coating rubber component on the cardboard upper surface, the rubber coating component sets up the lifter plate in the rubber coating frame including going up and down, it is provided with the glue spreader to rotate on the lifter plate, still be fixed with the fender offset plate with the glue spreader butt on the lifter plate, the workstation upper surface slides under the glue spreader and is provided with the recovery board, recovery board slope sets up and its high-end is located under the fender offset plate, it still elastically is provided with the buffer board on the recovery board, recovery board intercommunication collection box, the collection box communicates in the rubber storage box, the rubber storage box still communicates the air pump. The utility model is characterized in that the glue in the gap between the paper boards is recycled, and the utilization rate of the glue of the laminator is improved.

Description

Gluing device of laminator
Technical Field
The utility model relates to a cardboard wainscot machine equipment technical field especially relates to a rubber coating device of wainscot machine.
Background
In order to make the paperboard more beautiful and durable in the production process of the paperboard, the paperboard is usually subjected to a veneering treatment, i.e. a layer of veneering (film) is coated on the surface of the paperboard after gluing.
To above-mentioned cardboard wainscot problem, chinese patent that patent publication number is CN209037152U, a cardboard wainscot machine is proposed, its technical scheme main points are including the frame, and the cardboard conveyer of setting in the frame, the wainscot conveyer of setting in cardboard conveyer top, the setting is used for scribbling the rubber coating device of glue on the cardboard and is used for the lamination device that is in the same place wainscot and cardboard pressfitting in the frame, wainscot conveyer includes, be used for placing the thing board of wainscot, a wainscot conveyer belt for conveying the wainscot, parallel lie in the compressing wheel group that is used for restricting wainscot motion path above the wainscot conveyer belt, and be used for guiding the guide bar of wainscot motion path between wainscot conveyer belt and compressing wheel group.
Above-mentioned technical scheme has accomplished the high-efficient transportation process of stabilizing to the wainscot, the wainscot of stabilizing the transport in the actual production process still need laminate with the cardboard after the rubber coating is handled, and the rubber coating process at the cardboard adopts the glue dripping pipe to the rubber coating roller rubberizing usually, later the rubber coating roller will glue the water mark at the cardboard upper surface, because two cardboards of adjacent transport are gapped when the rubber coating process, glue is continuously dripped from the glue dripping pipe, and the clearance between the cardboard can make the glue that lasts to drip extravagant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rubber coating device of wainscot machine through the cooperation that keeps off offset plate and buffer board for to fall between two cardboard and being pressed the recovery board by extravagant glue and flowing into the collection box in and being collected, the glue rethread air pump of collection squeezes into and stores up the interior cyclic utilization that forms of glue box, has the characteristics of collecting and recycling glue and improving the glue utilization ratio.
The utility model discloses a can realize through following technical scheme:
a gluing device of a laminator comprises a workbench and a gluing frame fixed on the upper surface of the workbench, wherein a plurality of conveying rollers are arranged on the upper surface of the workbench in a rotating manner, a glue storage box is fixed on the gluing frame, a gluing component used for coating glue in the glue storage box on the upper surface of a paperboard is arranged on the gluing frame, the gluing component comprises a lifting plate arranged in the gluing frame in a lifting manner, a gluing roller is arranged on the lifting plate in a rotating manner, a glue blocking plate abutted against the gluing roller is further fixed on the lifting plate, a recovery plate is arranged on the upper surface of the workbench in a sliding manner under the gluing roller, the recovery plate is obliquely arranged, the high end of the recovery plate is positioned under the glue blocking plate, a buffer plate is further elastically arranged on the recovery plate, the recovery plate is communicated with a recovery box fixed on the side wall of the workbench, and the recovery box is communicated with the glue storage box, the glue storage box is also communicated with an air pump which is used for pumping glue in the recycling box into the glue storage box.
Through adopting above-mentioned technical scheme, the cardboard is placed on the conveying roller one by one and is carried along with the rotation of conveying roller, and the glue of storage glue incasement is paintd glue at the upper surface of cardboard along with the rubber coating subassembly, and when glue fell on the clearance between two cardboard, glue can fall into on the recovery board and along the recovery board upper surface in the sliding fall collection box, and the glue of being collected by the collection box can be along with the work of air pump and get back to again in the glue storage box by reuse. The utility model has the characteristics of collect and recycle fall on the glue in clearance between two cardboards, improved the glue utilization ratio, reduced manufacturing cost.
Further setting the following steps: the rubber coating subassembly is still including being fixed in the frame orientation of gluing keep off the play glue pipe on glue board surface, the play glue pipe be hollow structure and communicate in store up gluey incasement portion, go out the glue pipe and set up a plurality of rather than the glue outlet of inside intercommunication, the lifter plate in go out the glue pipe with it is provided with the auxiliary roll still to rotate between the glue spreader, the auxiliary roll respectively with keep off the glue board with glue spreader looks butt, go out glue outlet opening orientation the glue spreader with the butt department that keeps off the glue board.
Through adopting above-mentioned technical scheme, glue in the glue storage box flows along with the play jiao kou of glue outlet pipe, and glue falls down along keeping off the offset plate and, and the glue spreader rotates and can drive the auxiliary roller and rotate, and the auxiliary roller rotates and can make by the auxiliary roller with keep off the glue quilt that the offset plate sheltered from and touch evenly, later on the auxiliary roller can transmit glue to the glue spreader, later on the glue spreader scribbles glue on the upper surface of cardboard again.
Further setting the following steps: the rubber coating frame is opened and is equipped with the adjustment tank, the sliding of adjustment tank is provided with the regulating plate, adjusting threaded rod is worn to be equipped with by the regulating plate screw thread, adjusting threaded rod rotate set up in the adjustment tank and its one end stretch out rubber coating frame upper surface is fixed with the regulation hand (hold), the lift groove has still been seted up to the regulating plate, the lifter plate slide set up in the lift inslot, the lift inslot still is provided with the lift spring, the both ends of lift spring are fixed in respectively the lift inslot wall with on the face in opposite directions of lifter plate, under natural state with retrieve the upper surface looks butt of board.
Through adopting above-mentioned technical scheme, lifting spring's setting makes the glue spreader can rely on lifting spring's pressure to carry out more stable transport and rubber coating to the cardboard, thereby can also control the displacement of regulating plate in the adjustment tank and then change the degree that compresses tightly of glue spreader to the cardboard through rotating the regulation hand (hold) simultaneously to adapt to not unidimensional cardboard.
Further setting the following steps: and a buffer guide angle is arranged at the contact position of the recovery plate and the glue spreader.
Through adopting above-mentioned technical scheme for can not strike off too much glue owing to the edges and corners of retrieving the board when glue spreader and retrieving the board contact, make the contact of retrieving board and glue spreader gentler.
Further setting the following steps: retrieve the board upper surface and in being close to one side of glue spreader has seted up the dashpot, the dashpot internal rotation is provided with the one end of dashpot, still be provided with the torsional spring in the dashpot, the both ends of torsional spring are fixed in respectively the dashpot inner wall with on the face in opposite directions of dashpot, the other end and the natural state of dashpot under with keep off offset plate lower surface looks butt.
Through adopting above-mentioned technical scheme, when the cardboard passes through the glue spreader below, the buffer board is pressed down and can not hinder the current of cardboard, and when the clearance between the cardboard appeared, the buffer board lifted up and made glue more stably fall on the upper surface of retrieving the board and collected.
Further setting the following steps: the upper surface of the workbench is provided with a pushing groove, and the recovery plate is arranged in the pushing groove in a sliding manner and is far away from the surface of the gluing frame, and a pushing handle is fixed on the surface of the gluing frame.
Through adopting above-mentioned technical scheme, after the work of scribbling glue, pulling propelling movement hand (hold) will retrieve the board and pull out along the propelling movement groove to make things convenient for the staff to retrieve the clearance of the glue that the board surface dried off, and then make the process of retrieving glue more unobstructed.
Further setting the following steps: a plurality of guiding gutters are arranged on the upper surface of the recovery plate.
Through adopting above-mentioned technical scheme for glue can be more high-efficiently along being collected in the baffle box is fallen into along the recovery board in the guiding gutter.
To sum up, the utility model discloses a beneficial technological effect does:
(1) thereby glue that will follow the intraoral discharge of glue outlet is smeared on cardboard steadily and evenly through keeping off the cooperation of offset plate, auxiliary roller and glue spreader.
(2) Set up through the recovery board and make the glue that lasts the drippage fall to the upper surface of recovering the board and make glue store in the collection box when the clearance between two cardboards, store in the collection box glue still can be taken out by the air pump and store up in the gluey incasement to the utilization ratio of glue has been improved.
(3) Through the arrangement of the buffer plate, when a gap between the two paperboards appears, the buffer plate which can be stable in glue can fall onto the recovery plate and be recycled.
Drawings
FIG. 1 is a schematic overall isometric view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 (primarily to reveal the mounting of the lifter plate);
FIG. 3 is a partial enlarged view of a portion B in FIG. 1 (mainly for revealing the condition in the buffer tank);
fig. 4 is a rear view of an embodiment of the present invention.
Reference numerals: 1. a work table; 2. a gluing frame; 3. a conveying roller; 4. a conveying motor; 5. a glue storage box; 6. a lifting plate; 7. an adjustment groove; 8. an adjusting plate; 9. adjusting the threaded rod; 10. adjusting the handle; 11. a lifting groove; 12. a lift spring; 13. a glue blocking plate; 14. glue spreading roller; 15. a gluing motor; 16. discharging the rubber tube; 17. an auxiliary roller; 18. a glue outlet; 19. a push tank; 20. recovering the plate; 21. pushing the handle; 22. a buffer tank; 23. a buffer plate; 24. a torsion spring; 25. buffering a lead angle; 26. a diversion trench; 27. a recycling bin; 28. a conduit; 29. an air pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, for the utility model discloses a rubber coating device of wainscot machine, including workstation 1 and be fixed in the rubber coating frame 2 of its upper surface, the surface rotation is provided with a plurality of conveying rollers 3 on workstation 1, and one of them conveying roller 3 is driven by the conveying motor 4 who fixes on rubber coating frame 2. The glue storage box 5 is fixed on the glue spreading frame 2, and a glue spreading component used for spreading glue in the glue storage box 5 on the upper surface of the paperboard is arranged in the glue spreading frame 2.
Referring to fig. 1 and 2, the gluing assembly includes a lifting plate 6 that is elevationally disposed within the gluing frame 2. The gluing frame 2 is provided with an adjusting groove 7, an adjusting plate 8 is arranged in the adjusting groove 7 in a sliding mode, an adjusting threaded rod 9 penetrates through the adjusting plate 8 in a threaded mode, the adjusting threaded rod 9 is rotatably arranged in the adjusting groove 7, one end of the adjusting threaded rod extends out of the upper surface of the gluing frame 2, and an adjusting handle 10 is fixed to the adjusting threaded rod. The adjusting plate 8 is further provided with a lifting groove 11, the lifting plate 6 is arranged in the lifting groove 11 in a sliding manner, a lifting spring 12 is further arranged in the lifting groove 11, and two ends of the lifting spring 12 are respectively fixed on the inner wall of the lifting groove 11 and the opposite surface of the lifting plate 6. The surface of the lifting plate 6 far away from the glue storage box 5 is further fixed with a glue blocking plate 13, a glue coating roller 14 is rotatably arranged on one side, facing the paperboard feeding end, of the glue blocking plate 13 in the same surface, the glue coating roller 14 is abutted to the glue blocking plate 13, and the glue coating roller 14 is driven by a glue coating motor 15 fixed on the lifting plate 6. A rubber outlet pipe 16 is fixed on the surface of the gluing frame 2 far away from the rubber storage box 5, and the rubber outlet pipe 16 is of a hollow structure and is communicated with the inside of the rubber storage box 5. The lifting plate 6 is also rotatably provided with an auxiliary roller 17 between the glue outlet pipe 16 and the glue spreading roller 14, and the auxiliary roller 17 is abutted against the glue blocking plate 13 and the glue spreading roller 14. The glue outlet pipe 16 is provided with a plurality of glue outlets 18 communicated with the inside of the glue outlet pipe, and the glue outlets 18 face the abutting part of the glue spreading roller 14 and the glue baffle plate 13.
During veneering work, the paperboards are placed on the conveying roller 3 on one side of the feeding end one by one, and the paperboards are conveyed to the glue spreader 14 along with the rotation of the conveying roller 3. Glue is stored in the glue storage box 5, is discharged on the glue blocking plate 13 through a glue outlet 18 of the glue outlet pipe 16 from the glue storage box 5 and is uniformly transferred to the glue coating roller 14 along with the work of the glue coating motor 15, and the glue coating roller 14 is pressed on the upper surface of the paperboard by the elasticity of the lifting spring 12 and stably coats the glue on the paperboard. Meanwhile, the pressing degree of the glue spreader 14 to the paper board can be changed by rotating the adjusting handle 10, so that the paper board is stably conveyed while being glued.
Referring to fig. 1 and 3, a pushing groove 19 is formed in the upper surface of the workbench 1 right below the glue spreading roller 14, a recovery plate 20 is slidably arranged in the pushing groove 19, and a pushing handle 21 is fixed on the surface of the recovery plate 20 far away from the glue storage tank 5. The buffer slot 22 is opened on the side of the recovery plate 20 upper surface that is close to the glue spreader 14, the one end that is provided with the buffer plate 23 of buffer slot 22 internal rotation, still is provided with the torsional spring 24 in the buffer slot 22, and the both ends of torsional spring 24 are fixed in on the relative face of buffer slot 22 inner wall and buffer plate 23 respectively. The other end of the cushion plate 23 naturally abuts against the lower surface of the rubber stopper plate 13. The glue spreader 14 is still abutted against the upper surface of the recovery plate 20 in a natural state, and the recovery plate 20 is provided with a buffer guide angle 25 at the abutted position.
Referring to fig. 3 and 4, a plurality of flow guide grooves 26 are further formed in the upper surface of the recycling plate 20, the flow guide grooves 26 are communicated with a recycling box 27 fixed on the workbench 1, the recycling box 27 is communicated with the glue storage box 5 through a guide pipe 28, and the glue storage box 5 is further communicated with an air pump 29 for pumping glue in the recycling box 27 into the glue storage box 5.
When the cardboard passes glue spreader 14 below and can push down buffer board 23, when the clearance between two adjacent cardboard appears, buffer board 23 lifts up, and unnecessary glue only can be received by recovery board 20 upper surface and fall into along with guiding gutter 26 in storing up gluey case 5, and in unnecessary glue fell into storing up gluey case 5 back can be taken back along with the work of air pump 29 in storing up gluey case 5 again to improve the utilization ratio of glue. After a batch of paper boards are glued, the recycling board 20 can be pulled out along the pushing groove 19 through the pushing handle 21, so that the cleaning of the glue dried on the surface of the recycling board 20 by workers is facilitated, and the redundant glue can be continuously and stably recycled.
The utility model discloses a theory of operation and beneficial effect do: the cardboard is carried along with conveying roller 3 one by one during wainscot work, glue is continuously followed in the glue storage box 5 and is flowed out through going out jiao kou 18, glue is through keeping off offset plate 13, the contact of auxiliary roller 17 and glue spreader 14 is paintd on the cardboard uniformly, the cardboard of transport can push down buffer board 23, buffer board 23 lifts up and makes the glue that continuously overflows can only flow into collection box 27 through recovery board 20 and be collected when the clearance appears between the cardboard, the glue of being collected simultaneously still can be beaten back in the glue storage box 5 from collection box 27 by the air pump 29 of work, thereby improve the utilization ratio of glue.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a rubber coating device of wainscot machine which characterized in that: comprises a workbench (1) and a glue coating frame (2) fixed on the upper surface of the workbench, wherein the upper surface of the workbench (1) is provided with a plurality of conveying rollers (3) in a rotating manner, a glue storage box (5) is fixed on the glue coating frame (2), a glue coating component used for coating glue in the glue storage box (5) on the upper surface of a paperboard is arranged on the glue coating frame (2), the glue coating component comprises a lifting plate (6) arranged in the glue coating frame (2) in a lifting manner, a glue coating roller (14) is arranged on the lifting plate (6) in a rotating manner, a glue baffle plate (13) abutted against the glue coating roller (14) is further fixed on the lifting plate (6), a recovery plate (20) is arranged on the upper surface of the workbench (1) in a sliding manner under the glue coating roller (14), the recovery plate (20) is obliquely arranged and is positioned under the glue baffle plate (13), still elasticity is provided with buffer board (23) on recovery board (20), recovery board (20) intercommunication has to be fixed collection box (27) on workstation (1) lateral wall, collection box (27) communicate in store up gluey case (5), store up gluey case (5) still intercommunication be used for with glue squeezes into in collection box (27) store up air pump (29) in gluey case (5).
2. The gluing device of a laminator according to claim 1, wherein: rubber coating subassembly is still including being fixed in rubber coating frame (2) orientation keep off glue outlet pipe (16) on offset plate (13) surface, glue outlet pipe (16) be hollow structure and communicate in store up inside gluey case (5), glue outlet pipe (16) set up a plurality of rather than the glue outlet (18) of inside intercommunication, lifter plate (6) in glue outlet pipe (16) with it is provided with supplementary roller (17) still to rotate between glue spreader (14), supplementary roller (17) respectively with keep off offset plate (13) with glue spreader (14) looks butt, glue outlet (18) opening orientation glue spreader (14) with the butt department that keeps off offset plate (13).
3. The gluing device of a laminator according to claim 1, wherein: adjusting groove (7) have been seted up in rubberizing frame (2), adjusting groove (7) internal slipping is provided with regulating plate (8), regulating plate (8) screw thread is worn to be equipped with adjusting threaded rod (9), adjusting threaded rod (9) rotate set up in just its one end stretches out in adjusting groove (7) rubberizing frame (2) upper surface is fixed with regulation hand (10), lifting groove (11) have still been seted up in regulating plate (8), lifter plate (6) slide set up in lifting groove (11), still be provided with lifting spring (12) in lifting groove (11), the both ends of lifting spring (12) are fixed in respectively lifting groove (11) inner wall with on the looks of lifter plate (6), under the natural state with the upper surface looks butt of retrieving board (20).
4. A gluing device of a laminator according to claim 3, wherein: and a buffer guide angle (25) is arranged at the contact position of the recovery plate (20) and the glue spreader (14).
5. The gluing device of a laminator according to claim 1, wherein: retrieve board (20) upper surface in being close to buffer slot (22) have been seted up to one side of glue spreader (14), buffer slot (22) internal rotation is provided with the one end of buffer board (23), still be provided with torsional spring (24) in buffer slot (22), the both ends of torsional spring (24) are fixed in respectively buffer slot (22) inner wall with on the face in opposite directions of buffer board (23), the other end and the natural state of buffer board (23) down with keep off offset plate (13) lower surface looks butt.
6. The gluing device of a laminator according to claim 1, wherein: push groove (19) have been seted up to workstation (1) upper surface, retrieve board (20) slide set up in push groove (19) and its keep away from the fixed surface of gluing frame (2) has propelling movement hand (hold) (21).
7. The gluing device of a laminator according to claim 6, wherein: a plurality of flow guide grooves (26) are formed in the upper surface of the recovery plate (20).
CN202120909600.5U 2021-04-28 2021-04-28 Gluing device of laminator Active CN214515591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120909600.5U CN214515591U (en) 2021-04-28 2021-04-28 Gluing device of laminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120909600.5U CN214515591U (en) 2021-04-28 2021-04-28 Gluing device of laminator

Publications (1)

Publication Number Publication Date
CN214515591U true CN214515591U (en) 2021-10-29

Family

ID=78277918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120909600.5U Active CN214515591U (en) 2021-04-28 2021-04-28 Gluing device of laminator

Country Status (1)

Country Link
CN (1) CN214515591U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210508A (en) * 2021-12-09 2022-03-22 安徽金刚节能科技有限公司 Primer roller coating equipment for producing building external wall insulation board and working method thereof
CN114682432A (en) * 2022-03-29 2022-07-01 王晓杰 Gluing device for paperboard production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210508A (en) * 2021-12-09 2022-03-22 安徽金刚节能科技有限公司 Primer roller coating equipment for producing building external wall insulation board and working method thereof
CN114210508B (en) * 2021-12-09 2023-03-10 安徽金刚节能科技有限公司 Primer roller coating equipment for producing building external wall insulation board and working method thereof
CN114682432A (en) * 2022-03-29 2022-07-01 王晓杰 Gluing device for paperboard production

Similar Documents

Publication Publication Date Title
CN214515591U (en) Gluing device of laminator
CN210652059U (en) Gluing device capable of removing redundant colloid for processing paper packaging box
CN105252920A (en) Adjustable automatic stamping machine
CN106219272A (en) A kind of automatic paper high speed compound system
CN110918367B (en) Corrugated paper gluing equipment
CN208529734U (en) Laminating machine feed mechanism
CN210706230U (en) Gluing mechanism
CN207001834U (en) One kind dipping paper product transport production line
CN210911333U (en) Paste mouthful reinforcing apparatus of sticking with paste of box machine
US2155895A (en) Automatic feeding device
CN216727928U (en) Make things convenient for cardboard processing of pay-off to use manual gluing machine of form advancing
CN104875425A (en) Box plate leather-coating device and manufacturing technology thereof
CN106696435B (en) A kind of cold pressing film device
CN205892231U (en) High -speed combined system of full -automatic paper
CN112644827B (en) Automatic labeling assembly line
CN210449677U (en) Coating machine with three-section type conveying structure
CN211865630U (en) Automatic gluing device of lining mounting machine
CN218642058U (en) Continuous feeding mechanism of gluing machine
CN206486637U (en) One kind is adjustable to grab cotton dolly
CN217170298U (en) Book feeding mechanism of adhesive binding machine
CN207563192U (en) A kind of medical packaging bag specialty printing sizer
CN211868754U (en) Full-automatic box pasting machine
CN220447324U (en) Laminator with frictioning mechanism
CN205855483U (en) Upper a kind of paper equipment
CN217646751U (en) A rubber coating device for cardboard production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant