CN113415030A - Dry knot equipment is prevented in colloid constant temperature coating during carton preparation - Google Patents

Dry knot equipment is prevented in colloid constant temperature coating during carton preparation Download PDF

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Publication number
CN113415030A
CN113415030A CN202110761954.4A CN202110761954A CN113415030A CN 113415030 A CN113415030 A CN 113415030A CN 202110761954 A CN202110761954 A CN 202110761954A CN 113415030 A CN113415030 A CN 113415030A
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CN
China
Prior art keywords
fixedly connected
slide
coating
colloid
constant temperature
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.)
Pending
Application number
CN202110761954.4A
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Chinese (zh)
Inventor
李悦悦
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.)
Jinan Mijiaying Paper Products Co ltd
Original Assignee
Jinan Mijiaying Paper Products 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 Jinan Mijiaying Paper Products Co ltd filed Critical Jinan Mijiaying Paper Products Co ltd
Priority to CN202110761954.4A priority Critical patent/CN113415030A/en
Publication of CN113415030A publication Critical patent/CN113415030A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60Uniting opposed surfaces or edges; Taping
    • B31B50/62Uniting opposed surfaces or edges; Taping by adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74Auxiliary operations
    • B31B50/742Coating; Impregnating; Waterproofing; Decoating
    • B31B50/753Coating; Impregnating; Waterproofing; Decoating by spraying

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  • Coating Apparatus (AREA)

Abstract

The invention relates to the technical field of carton gluing, and discloses a glue constant-temperature coating and anti-drying device for manufacturing a carton, which comprises a coating mechanism and a control mechanism, wherein the coating mechanism comprises a support frame, slide rails are arranged on the left side wall and the right side wall inside the support frame, a slide plate is connected on the surface of each slide rail in a sliding manner, a pull ring is fixedly connected on the surface of each slide plate, a pull rope is fixedly connected on the surface of each pull ring, an extrusion spring is fixedly connected inside the support frame and positioned on the surface of each slide plate, a liquid storage tank is arranged at the bottom of each extrusion spring, and a nozzle is fixedly connected at the bottom of each liquid storage tank. The stay cord leaves and loses the confining force to the extrusion spring, and back extrusion spring promotes the slide and slides downwards on the slide rail surface, and the back extrudees the colloid in the reservoir from the nozzle blowout, simultaneously, and the meshing pole can produce certain heat with the incessant contact meshing of pivot when, and the heat is piled up and is heat-transfer in the thermal-insulation plate through the heat-conducting plate, keeps warm to the colloid in the reservoir promptly, so reached the colloid coating and avoided its effect that condenses.

Description

Dry knot equipment is prevented in colloid constant temperature coating during carton preparation
Technical Field
The invention relates to the technical field of carton gluing, in particular to equipment for preventing drying and caking during constant-temperature colloid coating in carton manufacturing.
Background
The paper box is the most widely used packaging product, and comprises a corrugated paper box, a single-layer carton and the like according to different materials, and the paper box has various specifications and models; the existing carton needs to be glued or nailed to be installed after the manufacture is finished, and the existing carton finds that the carton installed by gluing is more durable than the carton installed by nailing when in actual use.
In order to coat the glue on the surface of the existing paperboard, specific production equipment is developed, but the glue has fluidity, and the fluidity is influenced by temperature, but the existing gluing equipment cannot effectively treat the fluidity, so that the glue is condensed in the coating process, and different paperboards cannot be bonded together, and therefore the glue constant-temperature coating anti-dry equipment for manufacturing the carton is produced at the same time.
Disclosure of Invention
The invention aims to provide equipment for preventing glue from being dried and hardened during constant-temperature coating in carton manufacturing so as to solve the problems in the background art.
In order to achieve the purposes that the colloid coating avoids coagulation, and the colloid coating amount is proportional to the moving speed and the size of the paperboard, the invention provides the following technical scheme: the utility model provides a colloid constant temperature coating prevents equipment of becoming dry and hard during carton preparation, includes coating mechanism, control mechanism, coating mechanism includes the support frame, and the slide rail has all been seted up to the inside left and right sides wall of support frame, and the sliding surface of slide rail is connected with the slide, and the fixed surface of slide is connected with the pull ring, and the fixed surface of pull ring is connected with the stay cord, and the inside of support frame just is located the fixed surface of slide and is connected with the extrusion spring, and the reservoir has been seted up to the bottom of extrusion spring, the bottom fixedly connected with nozzle of reservoir.
Further, the equal fixedly connected with heated board in the left and right sides of reservoir, the board is smeared to the bottom fixedly connected with of heated board, and the surface of heated board just keeps away from one side fixedly connected with heat-conducting plate of reservoir, and the heat-conducting plate is the elasticity material.
Further, control mechanism includes the gyro wheel, and the surface of gyro wheel is provided with the cardboard, and one side swing joint that the cardboard was kept away from to the gyro wheel has the elastic rod, and the upper end swing joint of elastic rod has the meshing pole, and the one end swing joint that the elastic rod was kept away from to the meshing pole has the pivot, and the fixed connection of surface center department of pivot has the wire winding pole, and the surface and the stay cord of wire winding pole are connected.
Furthermore, the device also comprises a frame body, and the inside of the frame body is connected with the control mechanism.
Furthermore, the back of the roller is provided with a connecting frame, the surface of the connecting frame is provided with a clamping groove, and the surface of the connecting frame, which is positioned in the clamping groove, is movably connected with a clamping rod.
Compared with the prior art, the invention has the following beneficial effects:
1. through placing the cardboard of treating the coating in the bottom of framework, the colloid extrusion in the reservoir is followed the nozzle blowout, and meanwhile, can produce certain heat when meshing pole and the incessant contact meshing of pivot, and the heat is piled up and heat transfer in the insulation board through the heat-conducting plate, keeps warm to the colloid in the reservoir promptly, so reached the colloid coating and avoided its effect that condenses.
2. The glue in the liquid storage tank is extruded and sprayed out, the gap at the joint of the paperboard with a thicker size is smaller relative to the gap with a thinner size, when the quantity of the sprayed glue is reduced, the phenomenon that the glue is extruded and overflowed to cause waste can be avoided, and the outflow quantity of the glue is also related to the rotating speed of the roller, namely, the faster the roller rotates, the looser the pull rope is, the more the quantity of the glue sprayed out by the extrusion of the sliding plate is, so that the effect that the glue coating quantity is proportional to the moving speed and the size of the paperboard is achieved.
Drawings
FIG. 1 is a schematic view of a front view coating mechanism according to the present invention;
FIG. 2 is a schematic view of a front view of the present invention;
FIG. 3 is a schematic structural view of a front view control mechanism of the present invention;
FIG. 4 is a schematic view of the front view of the roller structure of the present invention;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
In the figure: 1. a coating mechanism; 2. a control mechanism; 3. a support frame; 4. a slide rail; 5. a slide plate; 6. a pull ring; 7. pulling a rope; 8. a compression spring; 9. a liquid storage tank; 10. a nozzle; 11. a thermal insulation board; 12. coating a plate; 13. a heat conducting plate; 14. a roller; 15. a paperboard; 16. an elastic rod; 17. an engagement lever; 18. a rotating shaft; 19. a wire winding rod; 20. a frame body; 21. a connecting frame; 22. a card slot; 23. a clamping rod;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a colloid constant temperature coating prevents equipment of becoming dry and hard during carton preparation, including coating mechanism 1, control mechanism 2, coating mechanism 1 includes support frame 3, slide rail 4 has all been seted up to the inside left and right sides wall of support frame 3, slide rail 4's surperficial sliding connection has slide 5, slide 5's fixed surface is connected with pull ring 6, the fixed surface of pull ring 6 is connected with stay cord 7, the inside of support frame 3 and the fixed surface that is located slide 5 are connected with extrusion spring 8, reservoir 9 has been seted up to extrusion spring 8's bottom, reservoir 9's bottom fixedly connected with nozzle 10, the effect of nozzle 10 is the colloid outflow in the reservoir 9 of being convenient for.
Furthermore, the left side and the right side of the liquid storage tank 9 are fixedly connected with heat insulation plates 11, the bottom of each heat insulation plate 11 is fixedly connected with a smearing plate 12, a heat conduction plate 13 is fixedly connected to the surface of each heat insulation plate 11 and the side far away from the liquid storage tank 9, and each heat conduction plate 13 is made of elastic materials;
further, the control mechanism 2 comprises a roller 14, a paper board 15 is arranged on the surface of the roller 14, an elastic rod 16 is movably connected to one side, away from the paper board 15, of the roller 14, an engaging rod 17 is movably connected to the upper end of the elastic rod 16, a rotating shaft 18 is movably connected to one end, away from the elastic rod 16, of the engaging rod 17, a winding rod 19 is fixedly connected to the center of the surface of the rotating shaft 18, and the surface of the winding rod 19 is connected with the pull rope 7;
the engaging rod 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 rotates to enable the pull rope 7 to be separated from the surface of the winding rod 19, the pull rope 7 is separated from the surface of the extrusion spring 8, the limiting force on the extrusion spring 8 is lost, the rear extrusion spring 8 pushes the sliding plate 5 to slide downwards on the surface of the sliding rail 4, and then the colloid in the liquid storage tank 9 is extruded and sprayed out from the nozzle 10.
Example two:
referring to fig. 1-5, the present invention provides a technical solution: the glue constant-temperature coating anti-drying equipment for manufacturing the carton comprises a coating mechanism 1 and a control mechanism 2, wherein the control mechanism 2 comprises a roller 14, a connecting frame 21 is arranged at the back of the roller 14, a clamping groove 22 is formed in the surface of the connecting frame 21, and a clamping rod 23 is movably connected inside the connecting frame 21 and positioned on the surface of the clamping groove 22; by placing the paper board 15 to be coated on the bottom of the frame 20, and then starting the external driving power to rotate the roller 14, the roller 14 rotates to drive the paper board 15 to move, meanwhile, the rotating motion of the roller 14 can also engage with the engaging rod 17 to rotate, the rear engaging rod 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 rotates to release the pull rope 7 from the surface of the winding rod 19, the pull rope 7 loses the limiting force on the extrusion spring 8 when leaving, the rear extrusion spring 8 pushes the sliding plate 5 to slide downwards on the surface of the sliding rail 4, and then the colloid in the liquid storage tank 9 is extruded to be sprayed out from the nozzle 10, meanwhile, when the engaging rod 17 is engaged with the rotating shaft 18 without stopping contact, a certain amount of heat is generated, and as time goes by, the heat is accumulated and transferred to the heat-insulating plate 11 through the heat-conducting plate 13, namely, the colloid in the liquid storage tank 9 is insulated, thereby achieving the effect of avoiding the coagulation of the colloid by coating.
A paper board 15 is arranged on the surface of the roller 14, an elastic rod 16 is movably connected to one side of the roller 14, which is far away from the paper board 15, the upper end of the elastic rod 16 is movably connected with a meshing rod 17, one end of the meshing rod 17, which is far away from the elastic rod 16, is movably connected with a rotating shaft 18, a wire winding rod 19 is fixedly connected to the center of the surface of the rotating shaft 18, and the surface of the wire winding rod 19 is connected with the pull rope 7; the glue in the liquid storage tank 9 is extruded and sprayed out, if the size of the paper board 15 is changed at this time, the position between the clamping rod 23 and the clamping groove 22 in the connecting frame 21 is extruded and changed, the force applied on the surface of the elastic rod 16 is changed when the position of the clamping rod 23 and the clamping groove 22 is changed, when the size of the paper board 15 is thickened, the elastic rod 16 is pushed to move upwards, the elastic rod 16 drives the rotating shaft 18 to move upwards when moving upwards, the rotating shaft 18 pulls the pull rope 7 to move upwards, namely, the pressure on the glue is reduced, the sprayed glue amount is reduced, as the gap at the joint of the paper board 15 with a thicker size is smaller than the gap with a thinner size, when the sprayed glue amount is reduced, the glue can be prevented from being extruded and overflowed, the waste phenomenon is avoided, on the contrary, when the paper board 15 is thinned, the sprayed glue amount is increased and is matched with the enlarged connecting gap, and the flow amount of the glue is related to the rotation speed of the roller 14, i.e. the faster the roller 14 rotates, the faster the pulling rope 7 looses, the more the slide 5 extrudes the glue, so that the glue coating amount is proportional to the moving speed and size of the paper board.
Coating mechanism 1 includes support frame 3, and slide rail 4 has all been seted up to the inside left and right sides wall of support frame 3, and the surperficial sliding connection of slide rail 4 has slide 5, and slide 5's fixed surface is connected with pull ring 6, still includes framework 20, and framework 20's inside is connected with control mechanism 2.
A pull rope 7 is fixedly connected to the surface of the pull ring 6, an extrusion spring 8 is fixedly connected to the surface of the sliding plate 5 inside the support frame 3, a liquid storage tank 9 is formed in the bottom of the extrusion spring 8, heat insulation plates 11 are fixedly connected to the left side and the right side of the liquid storage tank 9, a smearing plate 12 is fixedly connected to the bottom of the heat insulation plate 11, a heat conduction plate 13 is fixedly connected to the surface of the heat insulation plate 11 and one side far away from the liquid storage tank 9, and the heat conduction plate 13 is made of elastic materials; the bottom of the reservoir 9 is fixedly connected with a nozzle 10.
When in use, the paperboard 15 to be coated is placed at the bottom of the frame body 20, then the external driving power supply is started to enable the roller 14 to rotate, the roller 14 rotates to drive the paperboard 15 to move, meanwhile, the rotating motion of the roller 14 can also engage with the engaging rod 17 to rotate, the rear engaging rod 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 rotates to release the pull rope 7 from the surface of the winding rod 19, the pull rope 7 loses the limiting force on the extrusion spring 8 when leaving, the rear extrusion spring 8 pushes the sliding plate 5 to slide downwards on the surface of the sliding rail 4, and then the colloid in the liquid storage tank 9 is extruded to be sprayed out from the nozzle 10, meanwhile, when the engaging rod 17 is engaged with the rotating shaft 18 without stopping contact, a certain amount of heat is generated, and as time goes by, the heat is accumulated and transferred to the heat-insulating plate 11 through the heat-conducting plate 13, namely, the colloid in the liquid storage tank 9 is insulated, thereby achieving the effect of avoiding the coagulation of the colloid by coating.
The glue in the liquid storage tank 9 is extruded and sprayed out, if the size of the paper board 15 is changed at this time, the position between the clamping rod 23 and the clamping groove 22 in the connecting frame 21 is extruded and changed, the force applied on the surface of the elastic rod 16 is changed when the position of the clamping rod 23 and the clamping groove 22 is changed, when the size of the paper board 15 is thickened, the elastic rod 16 is pushed to move upwards, the elastic rod 16 drives the rotating shaft 18 to move upwards when moving upwards, the rotating shaft 18 pulls the pull rope 7 to move upwards, namely, the pressure on the glue is reduced, the sprayed glue amount is reduced, as the gap at the joint of the paper board 15 with a thicker size is smaller than the gap with a thinner size, when the sprayed glue amount is reduced, the glue can be prevented from being extruded and overflowed, the waste phenomenon is avoided, on the contrary, when the paper board 15 is thinned, the sprayed glue amount is increased and is matched with the enlarged connecting gap, and the flow amount of the glue is related to the rotation speed of the roller 14, i.e. the faster the roller 14 rotates, the faster the pulling rope 7 looses, the more the slide 5 extrudes the glue, so that the glue coating amount is proportional to the moving speed and size of the paper board.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a colloid constant temperature coating prevents equipment that dries out during carton preparation which characterized in that: including coating mechanism (1), control mechanism (2), coating mechanism (1) includes support frame (3), slide rail (4) have all been seted up to the inside left and right sides wall of support frame (3), the surperficial sliding connection of slide rail (4) has slide (5), the fixed surface of slide (5) is connected with pull ring (6), the fixed surface of pull ring (6) is connected with stay cord (7), the inside of support frame (3) and the fixed surface that is located slide (5) are connected with extrusion spring (8), reservoir (9) have been seted up to the bottom of extrusion spring (8), the bottom fixedly connected with nozzle (10) of reservoir (9).
2. The glue constant temperature coating anti-drying equipment for manufacturing the carton according to claim 1, characterized in that: the heat preservation plate is characterized in that the insulation plates (11) are fixedly connected to the left side and the right side of the liquid storage tank (9), the coating plate (12) is fixedly connected to the bottom of the insulation plates (11), a heat conduction plate (13) is fixedly connected to one side, far away from the liquid storage tank (9), of the surface of each insulation plate (11), and the heat conduction plate (13) is made of elastic materials.
3. The glue constant temperature coating anti-drying equipment for manufacturing the carton according to claim 1, characterized in that: control mechanism (2) are including gyro wheel (14), and the surface of gyro wheel (14) is provided with cardboard (15), and one side swing joint that cardboard (15) were kept away from in gyro wheel (14) has elastic rod (16), and the upper end swing joint of elastic rod (16) has meshing pole (17), and the one end swing joint that elastic rod (16) were kept away from in meshing pole (17) has pivot (18), and fixedly connected with wire winding pole (19) are located in the surperficial center of pivot (18), and the surface and stay cord (7) of wire winding pole (19) are connected.
4. The glue constant temperature coating anti-drying equipment for manufacturing the carton according to claim 1, characterized in that: the device also comprises a frame body (20), and the inside of the frame body (20) is connected with the control mechanism (2).
5. The glue constant temperature coating anti-drying equipment for manufacturing the carton according to claim 1, characterized in that: the back of the roller (14) is provided with a connecting frame (21), the surface of the connecting frame (21) is provided with a clamping groove (22), and the surface of the clamping groove (22) inside the connecting frame (21) is movably connected with a clamping rod (23).
CN202110761954.4A 2021-07-06 2021-07-06 Dry knot equipment is prevented in colloid constant temperature coating during carton preparation Pending CN113415030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110761954.4A CN113415030A (en) 2021-07-06 2021-07-06 Dry knot equipment is prevented in colloid constant temperature coating during carton preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110761954.4A CN113415030A (en) 2021-07-06 2021-07-06 Dry knot equipment is prevented in colloid constant temperature coating during carton preparation

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Publication Number Publication Date
CN113415030A true CN113415030A (en) 2021-09-21

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CN202110761954.4A Pending CN113415030A (en) 2021-07-06 2021-07-06 Dry knot equipment is prevented in colloid constant temperature coating during carton preparation

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578018A (en) * 1976-03-11 1980-10-29 Schmermund A Glue applications
CN106427269A (en) * 2016-11-29 2017-02-22 湖州佳宁印刷有限公司 Glue applying device of desktop glue binding machine
CN107322986A (en) * 2017-08-25 2017-11-07 昆山永立包装有限公司 A kind of double-deck brush coating bonder for packing board
CN206763294U (en) * 2017-05-24 2017-12-19 韶关东阳光包装印刷有限公司 One kind paste box glue constant temperature and circulating flowing device
CN108297484A (en) * 2017-10-18 2018-07-20 东莞产权交易中心 A kind of liftable of color box production is adjusted to mounting machine
CN207667600U (en) * 2017-12-20 2018-07-31 深圳市洁田新材料科技有限公司 A kind of lamp decoration glue production equipment of novel high-efficiency and energy-saving
CN208244561U (en) * 2018-03-30 2018-12-18 河南中包科技有限公司 Beer bottle sticker glue anti-solidifying device
CN210497030U (en) * 2019-09-06 2020-05-12 广东亚龙兴新材料有限公司 Electrically conductive heat conduction buffering double faced adhesive tape rubberizing equipment
CN111673857A (en) * 2020-06-24 2020-09-18 韦传凤 Multi-point gluing preparation machine for multi-layer solid wood board of furniture
CN111921742A (en) * 2020-07-23 2020-11-13 安徽春江保温建材科技有限公司 Rubber coating device is used in heated board processing
CN111976207A (en) * 2020-08-31 2020-11-24 界首市鑫华装璜彩印有限公司 Glue paper sealing equipment for carton processing and use method thereof
CN212603691U (en) * 2020-06-09 2021-02-26 什邡洪熙包装有限公司 Wine box side gluing device
CN213169587U (en) * 2020-07-08 2021-05-11 广西京西化工科技有限公司 Adhesive storage tank

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578018A (en) * 1976-03-11 1980-10-29 Schmermund A Glue applications
CN106427269A (en) * 2016-11-29 2017-02-22 湖州佳宁印刷有限公司 Glue applying device of desktop glue binding machine
CN206763294U (en) * 2017-05-24 2017-12-19 韶关东阳光包装印刷有限公司 One kind paste box glue constant temperature and circulating flowing device
CN107322986A (en) * 2017-08-25 2017-11-07 昆山永立包装有限公司 A kind of double-deck brush coating bonder for packing board
CN108297484A (en) * 2017-10-18 2018-07-20 东莞产权交易中心 A kind of liftable of color box production is adjusted to mounting machine
CN207667600U (en) * 2017-12-20 2018-07-31 深圳市洁田新材料科技有限公司 A kind of lamp decoration glue production equipment of novel high-efficiency and energy-saving
CN208244561U (en) * 2018-03-30 2018-12-18 河南中包科技有限公司 Beer bottle sticker glue anti-solidifying device
CN210497030U (en) * 2019-09-06 2020-05-12 广东亚龙兴新材料有限公司 Electrically conductive heat conduction buffering double faced adhesive tape rubberizing equipment
CN212603691U (en) * 2020-06-09 2021-02-26 什邡洪熙包装有限公司 Wine box side gluing device
CN111673857A (en) * 2020-06-24 2020-09-18 韦传凤 Multi-point gluing preparation machine for multi-layer solid wood board of furniture
CN213169587U (en) * 2020-07-08 2021-05-11 广西京西化工科技有限公司 Adhesive storage tank
CN111921742A (en) * 2020-07-23 2020-11-13 安徽春江保温建材科技有限公司 Rubber coating device is used in heated board processing
CN111976207A (en) * 2020-08-31 2020-11-24 界首市鑫华装璜彩印有限公司 Glue paper sealing equipment for carton processing and use method thereof

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