Gluing device of coating machine

Abstract

The utility model discloses a gluing device of a coating machine, which is used for gluing a feeding end, the feeding end comprises a back roller and a base material, and the back roller extends along a first direction and can rotate along the circumferential direction. The base material is wound around the back roller and used for driving the base material to rotate through the back roller for gluing. The gluing device of the coating machine comprises a glue groove, a glue blocking plate, a stirring rod and a driving assembly, the glue groove extends in the first direction, and one end, in the second direction, of the glue groove inclines downwards and abuts against the feeding end. The glue blocking plates extend in the second direction and are arranged at the top of the glue groove at intervals in the first direction so as to be matched with the glue groove to define a glue storage space. The stirring rod extends in the first direction, and the two ends are rotationally connected with the rubber blocking plates. A plurality of toothed plates are arranged on the stirring rod in the circumferential direction at intervals, and each toothed plate extends in the first direction and is located in the glue storage space. The driving assembly is arranged on the side, away from the back roller in the second direction, of the glue groove and used for driving the stirring rod to rotate at the constant speed in the circumferential direction so as to stir the glue and make the glue flow towards the back roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to coating production technical field, concretely relates to a coating machine gluing device. BACKGROUND

[0002] The glue liquid in the glue tank is precipitated or solidified near the bottom of the glue tank due to excessive glue amount or long time operation in the gluing process of the existing coating machine, so that the material liquid is uneven, thereby leading to the unsatisfactory coating effect. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a coating machine gluing device to solve the problems raised in the above background.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme of a coating machine gluing device for gluing the feeding end, wherein the feeding end comprises a backing roll and a base material, the backing roll extends along a first direction and can rotate along a circumferential direction, the base material is arranged around the backing roll and is used to rotate the base material by the backing roll to carry out gluing, and the coating machine gluing device comprises:

[0005] A glue tank extends along the first direction, is arranged downwardly inclined at one end along a second direction, and is abutted with the feeding end.

[0006] A glue blocking plate extends along the second direction and is arranged at the top of the glue tank along the first direction in a spaced manner to cooperate with the glue tank to form a glue storage space.

[0007] A stirring rod extends along the first direction and is rotationally connected with the glue blocking plate at both ends, a plurality of tooth plates are arranged at the stirring rod along the circumferential direction in a spaced manner, each tooth plate extends along the first direction and is located in the glue storage space.

[0008] A driving assembly is arranged at one side of the glue tank away from the backing roll along the second direction and is used to drive the stirring rod to rotate uniformly along the circumferential direction to stir the glue water and make it flow to the backing roll, the second direction is perpendicular to the first direction, and the circumferential direction encircles the first direction.

[0009] The coating machine gluing device provided by the utility model has the glue blocking plate arranged at the top of the glue tank in a spaced manner to seal the glue liquid, the glue liquid enters the glue storage space from the top, one end of the glue tank close to the backing roll is arranged downwardly inclined, so that the glue water stored in the glue storage space can generate pressure to the side of the backing roll to strengthen the coating effect, the driving assembly drives the stirring rod to rotate uniformly along the circumferential direction (counterclockwise direction), the plurality of tooth plates arranged at the stirring rod stir the glue water in the glue liquid at a low speed, so that the glue liquid is evenly and smoothly coated on the product, thereby preparing a high-quality and uniform coating.

[0010] In some embodiments, the top of the glue tank is provided with a glue collection groove and a glue overflow groove, both of which extend along the first direction and are spaced apart along the second direction. The glue collection groove is arranged close to the back roller, and the glue overflow groove is arranged away from the back roller.

[0011] Further, along the first direction, the projection area of the glue collection groove is greater than that of the glue overflow groove, and the length of the glue collection groove is greater than that of the glue overflow groove.

[0012] With the above technical solution, the larger glue collection groove can more effectively control the flow and distribution of glue, ensuring that the glue can be evenly coated on the substrate, improving the uniformity and quality of coating. The volume and length of the glue overflow groove are smaller, which is used to collect excess glue to prevent it from overflowing to areas that do not need to be glued, reducing material waste and cleaning work.

[0013] In some embodiments, the glue blocking plate is arranged on both sides of the glue overflow groove along the first direction. One side of the glue blocking plate facing the back roller along the second direction is provided with a circular arc edge corresponding to the back roller, which is used to cooperate with the back roller to press the substrate. The bottom of the glue blocking plate is provided with a convex part corresponding to the glue collection groove, so that the glue blocking plate is sealingly fitted on the top of the glue tank.

[0014] With the above technical solution, the circular arc edge of the glue blocking plate cooperates with the back roller to press the substrate, which helps to improve the coating precision and uniformity, and at the same time, the sealingly fitted glue blocking plate on the top of the glue tank can effectively prevent glue leakage.

[0015] In some embodiments, a glue flow port is arranged in the glue overflow groove, which is in communication with the glue tank pipeline below, for collecting and recycling the glue.

[0016] With the above technical solution, by arranging the glue flow port in communication with the glue tank pipeline, the recycling of glue is realized, the waste of glue is reduced, and the utilization rate of glue is improved.

[0017] In some embodiments, a connecting device is arranged at the connection between the glue blocking plate and the stirring rod, which includes a limiting ring and a bearing. The bearing and the limiting ring are arranged in sequence on one side of the glue blocking plate away from the glue storage space along the first direction, and are both sleeved on the stirring rod. First and second fixed plates are arranged on both sides of the glue blocking plate along the first direction, respectively. The first fixed plate is arranged in a first through hole corresponding to the stirring rod, the second fixed plate is arranged in a second through hole corresponding to the stirring rod, and the bearing is arranged in the first through hole.

[0018] The cooperation between the glue blocking plate and the fixing plate can effectively prevent the glue liquid from penetrating, and the bearing can help to reduce the friction between the glue blocking plate and the stirring rod.

[0019] In some embodiments, the connecting device further comprises a sealing assembly arranged on the side of the glue blocking plate facing the glue storage space in the first direction, including a fixed end and an elastic connecting end. The connection between the two ends of the plurality of tooth plates in the first direction and the stirring rod is provided with a avoiding area, the fixed end is sealed with the second through hole, and the elastic connecting end is arranged in the avoiding area and rotationally connected with the fixed end. The connection between the fixed end and the second through hole is provided with a sealing rubber ring, and the elastic connecting end is provided with a connecting spring.

[0020] The above technical scheme is adopted to strengthen the tightness of the connection between the fixed end and the second through hole by arranging a sealing rubber ring.

[0021] In some embodiments, the driving assembly comprises a first synchronous wheel and a synchronous belt, and the stirring rod is provided with a second synchronous wheel on one side in the first direction, and the second synchronous wheel is arranged outside the limiting ring. The second synchronous wheel and the first synchronous wheel are located in the same plane extending in the second direction, and the synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel.

[0022] The above technical scheme is adopted to realize high-precision transmission through the design of the synchronous belt and the first synchronous wheel and the second synchronous wheel, to ensure the uniformity and consistency of the coating process, and at the same time, the synchronous belt wheel structure reduces the maintenance requirement due to its keyless connection characteristics, and improves the reliability and stability of the equipment.

[0023] In some embodiments, the driving assembly further comprises a mounting plate, a pneumatic motor and a speed reducer, the mounting plate extends in a third direction, and the pneumatic motor and the speed reducer are sequentially mounted on one side of the mounting plate away from the glue tank in the second direction. The first synchronous wheel is connected with the driving end of the speed reducer, for driving the first synchronous wheel to rotate at a constant speed through the pneumatic motor and the speed reducer, so as to drive the second synchronous wheel and the stirring rod to rotate at a constant speed, and the first direction, the second direction and the third direction are perpendicular to each other.

[0024] The above technical scheme is adopted, the pneumatic motor can be suitable for a coating environment with high humidity, the combination of the pneumatic motor and the speed reducer provides stable driving force, which can improve the transmission efficiency and transmission efficiency, ensure the constant rotation of the stirring rod, and improve the uniformity and quality of the coating, and reduce the problem of uneven coating caused by power fluctuation. Attached Figure Description

[0025] Figure 1 This is a perspective view of an embodiment of a coating machine adhesive application device according to the present invention;

[0026] Figure 2 This is a cross-sectional view of an embodiment of a coating machine adhesive application device according to the present invention;

[0027] Figure 3 This is a partial structural schematic diagram of an embodiment of a coating machine adhesive application device according to the present invention;

[0028] In the picture:

[0029] 1. Coating machine adhesive application device; 2. Adhesive tank; 20. Adhesive collection groove; 21. Adhesive overflow groove; 22. Adhesive outlet; 3. Adhesive baffle plate; 30. Rounded edge; 31. Protrusion; 32. First fixing plate; 33. Second fixing plate; 4. Stirring rod; 40. Toothed plate; 41. Clearance area; 42. Second synchronous pulley; 50. Limiting ring; 51. Bearing; 6. Sealing assembly; 60. Fixed end; 61. Elastic connecting end; 62. Sealing ring; 63. Connecting spring; 70. First synchronous pulley; 71. Synchronous belt; 72. Mounting plate; 73. Pneumatic motor; 74. Reducer; 80. Back roller; 81. Substrate. Detailed Implementation

[0030] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0031] refer to Figures 1 to 3 , Figure 1 A perspective view of a coating machine adhesive application device 1 provided in an embodiment of the present invention is shown; Figure 2 A cross-sectional view of a coating machine adhesive application device 1 provided in an embodiment of the present invention is shown; Figure 3 This diagram shows a partial structural schematic of a coating machine adhesive application device 1 provided in an embodiment of the present invention.

[0032] like Figures 1 to 3 As shown, the technical solution provided in this application is a coating machine adhesive application device 1, used for applying adhesive to the feeding end. The feeding end includes a back roller 80 and a substrate 81. The back roller 80 is along a first direction ( Figure 1 (as shown in the X direction) extends and can extend circumferentially ( Figure 1The base material 81 rotates around the back roller 80, and the base material 81 is driven to rotate by the back roller 80 for glue coating. The glue coating device 1 of the coating machine comprises a glue tank 2, a glue blocking plate 3, a stirring rod 4, and a driving assembly. The glue tank 2 extends along a first direction, and one end thereof is inclined downward along a second direction and abuts against a feeding end. The glue blocking plate 3 extends along a second direction (indicated by Y direction) and is spaced apart from the top of the glue tank 2 along the first direction to form a glue storage space together with the glue tank 2. The stirring rod 4 extends along the first direction and is rotationally connected to the glue blocking plate 3 at both ends. The stirring rod 4 is circumferentially spaced apart with a plurality of tooth plates 40, each of which extends along the first direction and is located in the glue storage space. The driving assembly is arranged on the side of the glue tank 2 away from the back roller 80 along the second direction, and is used to drive the stirring rod 4 to rotate at a constant speed in the circumferential direction to stir the glue and make it flow to the back roller 80. The second direction is perpendicular to the first direction, and the circumferential direction surrounds the first direction. Figure 1

[0033] The glue coating device 1 of the coating machine provided by the utility model, the glue blocking plate 3 is spaced apart from the top of the glue tank 2, which plays a sealing glue liquid role, the glue liquid enters the glue storage space from the top, and one end of the glue tank 2 close to the back roller 80 is inclined downward, so that the glue stored in the glue storage space can generate pressure to the side of the back roller 80, the coating effect is strengthened, and the stirring rod 4 is driven to rotate at a constant speed in the circumferential direction (counterclockwise direction) by the driving assembly. The plurality of tooth plates 40 arranged on the stirring rod 4 stir the glue at a low speed in the glue liquid, so that the glue liquid is evenly and smoothly coated on the product, and a high-quality and uniform coating is prepared.

[0034] In some embodiments, with reference to Figures 1 to 3 The top of the glue tank 2 is provided with a glue collecting groove 20 and a glue overflow groove 21, both of which extend along the first direction and are spaced apart along the second direction. The glue collecting groove 20 is arranged close to the back roller 80, and the glue overflow groove 21 is arranged away from the back roller 80.

[0035] Further, along the first direction, the projection area of the glue collecting groove 20 is greater than the projection area of the glue overflow groove 21, and the length of the glue collecting groove 20 is greater than the length of the glue overflow groove 21.

[0036] Exemplarily, the larger glue collecting groove 20 can more effectively control the flow and distribution of the glue, and ensure that the glue can be evenly coated on the base material 81, thereby improving the uniformity and quality of coating. The volume and length of the glue overflow groove 21 are small, which is used to collect excess glue and prevent it from overflowing to areas that do not need to be coated, thereby reducing material waste and cleaning work.

[0037] In some embodiments, with reference to Figures 1 to 3 ​The glue blocking plate 3 is provided on both sides of the glue overflow groove 21 along the first direction. The side of the glue blocking plate 3 facing the back roller 80 along the second direction is provided with a circular arc edge 30 corresponding to the back roller 80, which is used to cooperate with the back roller 80 to press the base material 81. The bottom of the glue blocking plate 3 is provided with a convex part 31 corresponding to the glue collecting groove 20, so that the glue blocking plate 3 is tightly fitted on the top of the glue tank 2.

[0038] Exemplarily, the circular arc edge 30 of the glue blocking plate 3 cooperates with the back roller 80 to press the base material 81, which helps to improve the coating accuracy and uniformity. At the same time, the glue blocking plate 3 is tightly fitted on the top of the glue tank 2, which can effectively prevent glue leakage.

[0039] In some embodiments, referring to Figures 1 to 3 The glue overflow groove 21 is provided with a glue flow port 22, which is in communication with the glue bucket pipeline below, and is used to collect and recycle the glue.

[0040] Exemplarily, by setting the glue flow port 22 in communication with the glue bucket pipeline, the recycling of glue is realized, the waste of glue is reduced, and the utilization rate of glue is improved.

[0041] In some embodiments, referring to Figures 1 to 3 The connection between the glue blocking plate 3 and the stirring rod 4 is provided with a connecting device, which includes a limiting ring 50 and a bearing 51. The bearing 51 and the limiting ring 50 are sequentially arranged on the side of the glue blocking plate 3 away from the glue storage space along the first direction, and are both sleeved on the stirring rod 4. The two sides of the glue blocking plate 3 along the first direction are respectively provided with a first fixed plate 32 and a second fixed plate 33. The first fixed plate 32 is arranged in a first through hole corresponding to the stirring rod 4, the second fixed plate 33 is arranged in a second through hole corresponding to the stirring rod 4, and the bearing 51 is arranged in the first through hole.

[0042] Exemplarily, the cooperation design between the glue blocking plate 3 and the fixed plate can effectively prevent the penetration of glue. The setting of the bearing 51 helps to reduce the friction between the glue blocking plate 3 and the stirring rod 4. By setting the limiting ring 50 and the bearing 51 at the connection between the glue blocking plate 3 and the stirring rod 4, the stability and durability of the connection can be improved, and the wear and damage caused by long-time operation can be reduced.

[0043] In some embodiments, referring to Figures 1 to 3 The connecting device further includes a sealing assembly 6 arranged on the side of the glue blocking plate 3 facing the glue storage space along the first direction, which includes a fixed end 60 and an elastic connection end 61. The connection between the two ends of the plurality of tooth plates 40 along the first direction and the stirring rod 4 is provided with a avoiding area 41. The fixed end 60 is sealed with the second through hole, and the elastic connection end 61 is arranged in the avoiding area 41 and rotationally connected with the fixed end 60. The connection between the fixed end 60 and the second through hole is provided with a sealing rubber ring 62, and the elastic connection end 61 is provided with a connecting spring 63.

[0044] Exemplarily, the tightness of the connection between the fixed end 60 and the second through hole is enhanced by arranging the sealing rubber ring 62. After the elastic connecting end 61 is fixedly installed, one end thereof is rotationally connected with the fixed end 60, and the other end thereof abuts against the inner wall of the avoiding area 41, and meanwhile, the connecting spring 63 in the elastic connecting end 61 is in an elastic contraction state, so that the pressure on the fixed end 60 is continuously generated, thereby improving the sealing performance of the sealing assembly 6, and the connecting spring 63 can absorb the vibration and impact to some extent, thereby protecting the stirring rod 4 and the toothed plate 40.

[0045] In some embodiments, with reference to Figures 1 to 3 , the driving assembly comprises a first synchronous wheel 70 and a synchronous belt 71, and the stirring rod 4 is provided with a second synchronous wheel 42 on one side in the first direction, and the second synchronous wheel is arranged on the outer side of the limiting ring 50. The second synchronous wheel 42 and the first synchronous wheel 70 are located in the same plane extending in the second direction, and the synchronous belt 71 is arranged between the first synchronous wheel 70 and the second synchronous wheel 42.

[0046] Exemplarily, by the design of the synchronous belt 71 and the first synchronous wheel 70 and the second synchronous wheel 42, high-precision transmission can be realized, and the uniformity and consistency of the coating process can be ensured, and meanwhile, the synchronous belt 71 has the characteristics of keyless connection, so that the maintenance requirement is reduced, and the reliability and stability of the equipment are improved.

[0047] In some embodiments, with reference to Figures 1 to 3 , the driving assembly further comprises a mounting plate 72, a pneumatic motor 73 and a speed reducer 74, the mounting plate 72 extends in a third direction (Z direction shown in Figure 1 ), and the pneumatic motor 73 and the speed reducer 74 are sequentially arranged on the side of the mounting plate 72 away from the glue tank 2 in the second direction. The first synchronous wheel 70 is connected with the driving end of the speed reducer 74, and is used for driving the first synchronous wheel 70 to rotate at a constant speed through the pneumatic motor 73 and the speed reducer 74, so as to drive the second synchronous wheel 42 and the stirring rod 4 to rotate at a constant speed, and the first direction, the second direction and the third direction are perpendicular to each other.

[0048] Exemplarily, the pneumatic motor 73 can be suitable for a coating environment with relatively high humidity, and the combination of the pneumatic motor 73 and the speed reducer 74 provides stable driving force, which can improve the transmission efficiency and ensure the constant rotation of the stirring rod 4, thereby improving the uniformity and quality of the coating and reducing the problem of uneven coating caused by power fluctuation.

[0049] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, and any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A coating machine adhesive application device for applying adhesive to a feeding end, the feeding end comprising a back roller and a substrate, the back roller extending along a first direction and rotatable in the circumferential direction; the substrate being wound around the back roller for applying adhesive by rotating the substrate via the back roller; characterized in that, The coating machine glue coating device comprises: A glue tank extends along the first direction, and is arranged downwardly inclined at one end along the second direction and abuts against the feeding end; A glue blocking plate extends along the second direction and is arranged at the top of the glue tank along the first direction to cooperatively enclose a glue storage space with the glue tank; A stirring rod extends along the first direction and is rotatably connected to both ends of the glue blocking plate; the stirring rod is provided with a plurality of tooth plates spaced along the circumference, each of which extends along the first direction and is located in the glue storage space; A driving assembly is arranged on the side of the glue tank away from the back roller along the second direction, and is used to drive the stirring rod to rotate uniformly along the circumference to stir the glue and make it flow to the back roller; the second direction is perpendicular to the first direction, and the circumference surrounds the first direction.

2. The applicator of claim 1, wherein The top of the glue tank is provided with a glue collecting groove and a glue overflow groove, both of which extend along the first direction and are arranged spaced along the second direction; the glue collecting groove is arranged close to the back roller, and the glue overflow groove is arranged away from the back roller.

3. The applicator of claim 2, wherein Along the first direction, the projection area of the glue collecting groove is greater than that of the glue overflow groove, and the length of the glue collecting groove is greater than that of the glue overflow groove.

4. The applicator of claim 2, wherein The glue blocking plate is arranged on both sides of the glue overflow groove along the first direction; one side of the glue blocking plate facing the back roller along the second direction is provided with a circular arc edge corresponding to the back roller to press the substrate together with the back roller; the bottom of the glue blocking plate is provided with a convex part corresponding to the glue collecting groove to make the glue blocking plate sealingly fit on the top of the glue tank.

5. The applicator of claim 2, wherein The glue overflow groove is provided with a glue flow port in communication with the glue bucket pipeline below to collect and recycle the glue.

6. The applicator of claim 1, wherein The connection between the glue blocking plate and the stirring rod is provided with a connecting device, which comprises a limiting ring and a bearing; the bearing and the limiting ring are sequentially arranged on the side of the glue blocking plate away from the glue storage space along the first direction and are both sleeved on the stirring rod; the first and second fixed plates are arranged on both sides of the glue blocking plate along the first direction; the first fixed plate is arranged in the first through hole corresponding to the stirring rod, the second fixed plate is arranged in the second through hole corresponding to the stirring rod, and the bearing is arranged in the first through hole.

7. The applicator of claim 6, wherein The connecting device further comprises a sealing assembly arranged on the side of the glue blocking plate facing the glue storage space along the first direction, which comprises a fixed end and an elastic connection end; the connection between the two ends of the plurality of tooth plates along the first direction and the stirring rod is provided with an avoiding area, the fixed end is sealed to the second through hole, the elastic connection end is arranged in the avoiding area and is rotatably connected to the fixed end; the connection between the fixed end and the second through hole is provided with a sealing rubber ring, and the elastic connection end is provided with a connecting spring.

8. The applicator of claim 6, wherein The driving assembly comprises a first synchronous wheel and a synchronous belt, the stirring rod is provided with a second synchronous wheel on one side in the first direction, and the second synchronous wheel is located outside the limiting ring; the second synchronous wheel and the first synchronous wheel are located in the same plane extending in the second direction, and the synchronous belt is wound between the first synchronous wheel and the second synchronous wheel.

9. The applicator of claim 8, wherein The driving assembly further comprises a mounting plate, a pneumatic motor and a speed reducer, the mounting plate extends in a third direction, the pneumatic motor and the speed reducer are sequentially mounted on one side of the mounting plate away from the glue groove in the second direction; the first synchronous wheel is connected with the driving end of the speed reducer, used for driving the first synchronous wheel to rotate at a constant speed through the pneumatic motor and the speed reducer, so as to drive the second synchronous wheel and the stirring rod to rotate at a constant speed, and the first direction, the second direction and the third direction are perpendicular to each other.

Images