Gluing device

Abstract

This utility model discloses a glue coating device, including a glue supply assembly and a glue coating assembly arranged side by side. The glue supply assembly includes a glue supply box with an internal cavity and a glue supply roller located below the glue supply box. The glue coating assembly includes a glue coating roller arranged side by side with the glue supply roller. During the glue coating process, since the glue supply box is positioned above the glue supply roller, the glue can reliably cover the roller surface of the glue supply roller under its own gravity. Then, the glue supply roller rotates, driving the glue, and the glue is discharged from the outlet by its own gravity. During this process, the glue continuously covers the roller surface of the glue supply roller. Then, the glue supply roller continues to rotate, uniformly and reliably coating the glue discharged from the outlet onto the roller surface of the glue coating roller, thereby enabling the glue coating roller to uniformly coat the substrate, ensuring the glue coating effect on the substrate and resulting in higher product quality.

Description

Technical Field

[0001] This utility model belongs to the field of adhesive coating technology, and specifically relates to an adhesive coating device. Background Technology

[0002] In industrial production, applying adhesive to the surface of workpieces such as sheets and plates is a common and crucial process, widely used in packaging material lamination, printing lamination, and other technical fields. The core of the adhesive application process lies in uniformly and controllably coating the adhesive onto the workpiece surface, while the thickness, uniformity, and continuity of the coating layer directly affect the subsequent lamination strength, bonding reliability, and overall quality of the finished product.

[0003] For example, taking the production of packaging bags as an example, during the bag-making process, the bag-making equipment typically needs to apply adhesive to the substrate using an adhesive applicator to facilitate subsequent bonding and sealing operations. The substrate can be paper, plastic film, non-woven fabric, composite materials, or any other material suitable for making the bag body. The location of the adhesive application depends on the specific application scenario. For instance, when making a tote bag with handles, adhesive is often applied to the handle fixing area of ​​the sheet material to bond the handle to the bag body; when making a packaging bag with folded edges, adhesive is applied to the folded edge area of ​​the sheet material to achieve edge bonding; and adhesive is applied to the bottom of the bag when sealing it. Therefore, the location of the adhesive application will vary depending on the specific application scenario of the bag.

[0004] However, existing glue coating devices typically place the glue supply box below the glue supply roller, with the glue supply roller partially immersed in the glue supply box below it. When the glue supply roller rotates, it carries the glue to the roller surface and then transfers it to the coating roller to coat the sheet surface. Because the glue supply box is located below the glue supply roller, the roller surface easily pushes the glue away during the rotation of the glue supply roller. Especially when the glue level is low or the roller speed is high, the glue cannot be replenished to the roller surface in time, which can easily lead to discontinuous glue supply and uneven glue layer thickness. Therefore, there is a problem of poor glue coating effect. Utility Model Content

[0005] The purpose of this invention is to solve the technical problem in the prior art where, when applying adhesive to sheets, the glue supply roller will push the glue away under inertia during rotation. Especially when the glue level is low or the roller speed is high, the glue cannot be replenished to the roller surface in time, which easily leads to discontinuous glue supply, uneven glue layer thickness, and poor glue application effect.

[0006] To solve the above-mentioned technical problems, this utility model discloses a glue application device, including a glue supply assembly and a glue application assembly arranged side by side. The glue supply assembly includes a glue supply box with an internal receiving cavity and a glue supply roller located below the glue supply box. The bottom of the glue supply box has a liquid outlet facing the glue supply roller, and the glue supply roller can pivot relative to the glue supply box. The glue application assembly includes a glue application roller arranged side by side with the glue supply roller, and a distance adjustment component is also provided between the glue application roller and the glue supply roller.

[0007] In this process, the adhesive in the adhesive supply box is applied to the surface of the adhesive supply roller from the outlet, and the adhesive supply roller rotates and applies the adhesive to the surface of the coating roller.

[0008] By adopting the above technical solution, during the glue coating process, since the glue supply box is located above the glue supply roller, the glue can reliably cover the roller surface under its own gravity. Then, the glue supply roller rotates, driving the glue, and the glue is discharged from the outlet by its own gravity. During this process, the glue continuously covers the roller surface. Compared with the existing technology where the glue supply box is located below the glue supply roller, the glue supply roller does not push the glue away when coating, and can evenly coat the glue on the coating roller, effectively solving the problem of untimely feeding, making the glue supply more continuous and stable, and achieving the purpose of reliable glue supply. Furthermore, the glue supply roller continues to rotate and evenly and reliably coats the glue discharged from the outlet onto the roller surface of the coating roller, so that the coating roller can evenly coat the glue onto the substrate, improving the coating effect of the substrate and making the produced packaging bags of higher quality.

[0009] In addition, a distance adjustment component is installed between the glue supply roller and the glue application roller. By adjusting the distance between them, the coating thickness of the glue during the transfer from the glue supply roller to the glue application roller can be controlled. This allows the glue application device to adapt to the different product requirements for coating thickness, improving the applicability and flexibility of the device. Furthermore, since the glue is transferred from the glue supply roller to the glue application roller, the glue distribution tends to be more uniform during the transfer process, which helps to improve the consistency and smoothness of the coating.

[0010] Furthermore, the present invention also discloses a glue application device, wherein the drive end of the distance adjustment component is connected to a corresponding end of the glue supply roller, and the position of the glue supply roller can be adjusted relative to the glue application roller in the arrangement direction of the glue supply roller and the glue application roller.

[0011] Using the above technical solution, the drive end of the distance adjustment component is directly connected to the end of the glue supply roller, which can adjust the position of the glue supply roller relative to the glue coating roller along the arrangement direction of the glue supply roller and the glue coating roller, that is, adjust the gap between the two rollers, thereby controlling the glue coating thickness.

[0012] In addition, by adjusting the position of the glue supply roller instead of the glue application roller, it is helpful to maintain the relative position of the glue application roller and the sheet conveying mechanism, and avoid the problem of affecting the sheet conveying path due to adjusting the position of the glue application roller.

[0013] Furthermore, an embodiment of this utility model also discloses an adhesive applicator, wherein the adhesive supply component is movably mounted on the frame via a support frame.

[0014] Furthermore, the glue supply box is detachably mounted on the support frame, and the two ends of the glue supply roller are rotatably supported on the support frame and below the glue supply box. The distance adjustment component is mounted on the frame, and the drive end is connected to the corresponding side of the support frame. The distance adjustment component drives the support frame and moves the glue supply roller and the glue supply box synchronously relative to the frame in the arrangement direction.

[0015] With the above technical solution, the glue supply assembly is mounted on the frame via a support frame, which is movable relative to the frame. When the distance adjustment component drives the support frame to move, the glue supply roller and glue supply box move synchronously with the support frame. This helps maintain the relative positional relationship between the glue supply box and the glue supply roller, preventing changes in the glue supply status due to position adjustments from affecting the continuity of glue application. Furthermore, the glue supply box is detachably mounted on the support frame, facilitating its removal when changing the glue type or performing cleaning and maintenance. This improves the maintenance convenience of the glue supply box and makes it easier to replace.

[0016] In addition, the two ends of the glue supply roller are rotatably supported on the support frame and located below the glue supply box, so that a reasonable glue supply gap is formed between the roller surface of the glue supply roller and the liquid outlet of the glue supply box, which helps the glue to flow out stably from the liquid outlet and coat the surface of the glue supply roller.

[0017] Furthermore, the present invention also discloses a glue application device, wherein the distance adjustment component includes a pair of telescopic members; and each telescopic member extends along the arrangement direction, with one end fixed to the frame and the other end serving as a drive end and being connected to the corresponding end of the support frame in the axial direction of the glue supply roller.

[0018] Using the above technical solution, a pair of telescopic components act on both ends of the support frame along the axial direction of the glue supply roller, enabling synchronous movement of the support frame from both sides. This helps maintain the balance and stability of the support frame during movement, avoiding problems such as skewness or jamming caused by unilateral drive. Furthermore, the telescopic components extend along the arrangement direction, with the driving force direction consistent with the movement direction, resulting in high transmission efficiency and facilitating smooth spacing adjustment.

[0019] In addition, the synchronous extension and retraction of a pair of telescopic components can keep the gap between the glue supply roller and the glue application roller uniform along the entire axial length, which helps to maintain the consistency of the glue coating thickness.

[0020] Furthermore, an embodiment of this utility model also discloses a glue application device, wherein the glue supply assembly further includes a glue holding box disposed below the glue supply roller, and the glue holding box has an upward-opening liquid inlet.

[0021] The vertical projection of the glue supply roller near the glue coating roller is located inside the liquid inlet of the glue container.

[0022] The above technical solution involves placing the glue container below the glue supply roller and having an upward-facing liquid inlet. This container can collect glue that drips or overflows from the surface of the glue supply roller, which helps to reduce glue waste and contamination of the equipment.

[0023] Furthermore, the vertical projection of the glue supply roller near the coating roller lies within the inlet of the glue collection box. This means that any glue dripping from the supply roller is within the receiving area of ​​the glue collection box, ensuring that any dripping glue falls into the box and is collected for easy recycling. Additionally, the glue collected in the box can be added back to the supply box for reuse, helping to reduce production costs.

[0024] Furthermore, the present invention also discloses an adhesive applicator, wherein the adhesive supply assembly further includes an adhesive blocking member located downstream of the adhesive supply roller in the rotation direction of the adhesive supply roller, and in the arrangement direction, the adhesive blocking member is located between the adhesive supply roller and the adhesive applicator roller.

[0025] Furthermore, the vertical projection of the adhesive-blocking component is located inside the liquid inlet of the adhesive container.

[0026] With the above technical solution, the glue-blocking component is located downstream of the glue supply roller in the rotation direction and is positioned between the glue supply roller and the glue coating roller in the arrangement direction. It can block the excess glue that is thrown out when the glue supply roller rotates, effectively preventing the glue from splashing onto the glue coating roller or the surrounding environment.

[0027] In addition, the vertical projection of the adhesive blocking component is located inside the liquid inlet of the adhesive container. The adhesive blocked by the adhesive blocking component can flow back into the adhesive container and be collected, which helps to realize the recycling and reuse of the adhesive and reduce waste.

[0028] Furthermore, the present invention also discloses an adhesive application device, wherein the adhesive blocking component is an adhesive blocking roller arranged side by side with the adhesive supply roller on the support frame, and the adhesive supply assembly further includes a drive assembly, which includes a drive component mounted on the support frame and an intermediate transmission gear set mounted on the support frame.

[0029] The intermediate transmission gear set includes a first gear fixedly sleeved on one end of the glue supply roller and a second gear fixedly sleeved on one end of the glue blocking roller. The first gear and the second gear mesh with each other. The driving component is connected to the first gear. The driving component drives the first gear to rotate, thereby causing the glue supply roller to rotate. The rotation of the first gear drives the second gear to rotate, thereby causing the glue blocking roller to rotate.

[0030] Furthermore, the transmission ratio between the first gear and the second gear is 3 to 8:1.

[0031] By adopting the above technical solution, the driving component drives the first gear to rotate, which in turn drives the glue supply roller to rotate. At the same time, the rotation of the first gear drives the second gear to rotate, which in turn drives the glue blocking roller to rotate synchronously toward the glue supply roller. This allows the glue blocking roller to better throw the glue into the glue collection box for glue collection. Furthermore, by driving the first gear to rotate, which in turn drives the second gear to rotate, the glue supply roller and the glue blocking roller can be rotated simultaneously, making the structure of this glue coating device more compact and reducing manufacturing costs.

[0032] Furthermore, both the glue-blocking roller and the glue-supply roller are mounted on a support frame and move synchronously with the support frame, which helps maintain the stability of their relative positions. Adjusting the position between the glue-supply roller and the glue-applying roller does not affect the glue-blocking function of the glue-blocking roller. Additionally, the transmission ratio between the first gear and the second gear is 3~8:1, meaning the glue-supply roller rotates at a higher speed than the glue-blocking roller. This avoids the risk of the glue-blocking roller rotating too fast and, under centrifugal force, splashing glue onto it outside the glue collection box.

[0033] Furthermore, the present invention also discloses a glue-applying device, wherein the glue-applying roller is rotatably connected to the frame, and the intermediate transmission gear set further includes a third gear fixedly sleeved on the other end of the glue-supplying roller and a fourth gear fixedly sleeved on one end of the glue-applying roller, and the third gear and the fourth gear mesh with each other.

[0034] The drive unit drives the first gear to rotate, which in turn drives the glue supply roller to rotate. The rotation of the glue supply roller drives the third gear to rotate, which in turn drives the fourth gear to rotate. The rotation of the fourth gear drives the glue application roller to rotate.

[0035] With the above technical solution, the coating roller is driven by the glue supply roller through the meshing of the third and fourth gears, eliminating the need for a separate drive component for the coating roller, which helps to simplify the drive structure and reduce the manufacturing cost of the device.

[0036] In addition, the coating roller is rotatably connected to the frame. When the glue supply roller moves with the support frame to adjust the spacing, the coating roller remains fixed. The gear transmission can adapt to the spacing change and maintain the meshing relationship, which helps to maintain the continuity of transmission during the adjustment process.

[0037] Furthermore, the present invention also discloses a glue application device, wherein the glue supply box includes a pair of first baffles disposed at both ends of the glue supply roller, extending perpendicular to the axial direction of the glue supply roller and facing each other, and a second baffle fixedly installed inside the pair of first baffles and extending obliquely toward the upper end of the glue supply roller relative to the vertical direction.

[0038] The second baffle forms a partial liquid outlet at the end near the glue supply roller.

[0039] Using the above technical solution, a pair of first baffles are respectively disposed at both ends of the glue supply roller along the axial direction, which can restrict the flow of glue along the axial direction of the glue supply roller and help prevent glue leakage from both ends of the glue supply box. In addition, the second baffle is fixed to the inner side of the pair of first baffles and extends at an angle relative to the vertical direction. The end of the second baffle near the glue supply roller forms a partial outlet. The inclined baffle can guide the glue to flow along its surface to the outlet, which helps to achieve directional and controllable flow of glue, so that the glue can be stably coated on the roller surface of the glue supply roller. Furthermore, the inclined arrangement of the second baffle can form a gradually narrowing flow channel at the outlet, which helps to control the flow rate and volume of the glue, making the glue supply more uniform.

[0040] Furthermore, the present invention also discloses a glue application device, wherein there is a gap between each first baffle and a corresponding end of the corresponding glue supply roller, and each first baffle is provided with a liquid-blocking strip on the corresponding side near the glue supply roller, and each liquid-blocking strip extends circumferentially along the glue supply roller and is located above the outer peripheral wall of the glue supply roller.

[0041] Furthermore, in the width direction of the liquid-retaining strip, a liquid-collecting groove is formed between the side of each liquid-retaining strip near the outer peripheral wall of the glue-supply roller and the outer peripheral wall of the glue-supply roller, and the cross-section of the liquid-collecting groove is a triangular or fan-shaped shape that gradually opens from the end of the liquid-collecting groove near the corresponding first baffle toward the other end away from the corresponding first baffle.

[0042] With the above technical solution, a gap is left between the first baffle and the end of the glue supply roller, thereby avoiding interference of the first baffle with the rotation of the glue supply roller. At the same time, the liquid blocking strip extends circumferentially along the glue supply roller and is set on the side of the first baffle close to the glue supply roller, which can block the glue liquid and reduce the risk of glue liquid leakage from the gap.

[0043] In addition, a liquid collection groove is formed between the side of the liquid baffle near the outer peripheral wall of the glue supply roller and the outer peripheral wall. The cross-section of the liquid collection groove gradually opens from the end near the first baffle to the end away from the first baffle, forming a triangular or fan shape. Thus, the liquid collection groove can gather the glue flowing along the axial direction of the glue application roller toward the pair of first baffles toward the center of the glue supply box, further reducing the risk of glue seeping out from the gap between the first baffle and the glue supply roller. This helps to keep the gap clean and reduces the maintenance frequency of this glue application device.

[0044] Furthermore, the present invention also discloses a glue-applying device, wherein a glue-applying part protruding from the outer peripheral wall of the glue-applying roller is formed on the glue-applying roller, and the cross-section of the glue-applying part is truncated fan-shaped.

[0045] The coating roller rotates, causing the coating section to rotate and enter between a pair of first baffles, so that the coating roller rotates and applies adhesive to the surface of the coating section.

[0046] The above technical solution provides a raised coating section on the coating roller with a truncated fan-shaped cross-section. When the coating roller rotates, the coating section enters between a pair of first baffles, allowing the coating roller to apply the adhesive to the surface of the coating section. This ensures that the adhesive is applied only to the coating section rather than the entire roller surface, enabling intermittent and regional coating. This helps meet the process requirements of applying adhesive only to specific areas of the sheet and improves the accuracy of the coating position.

[0047] In addition, during the glue application process, the glue application part enters between a pair of first baffles, so that when the glue application part squeezes the adhesive liquid, the adhesive liquid flows along the axial direction of the glue supply roller to both ends of the glue supply roller. This flow can be blocked by a pair of baffles, thereby reducing the risk of adhesive splashing and allowing excess adhesive liquid to reliably fall into the glue collection box.

[0048] The beneficial effects of this utility model are as follows: This utility model discloses a glue application device, including a glue supply component and a glue application component arranged side by side. The glue supply component includes a glue supply box with an internal receiving cavity and a glue supply roller located below the glue supply box; the glue application component includes a glue application roller arranged side by side with the glue supply roller. During the glue application process, because the glue supply box is positioned above the glue supply roller, the glue can reliably cover the roller surface under its own gravity. Then, the glue supply roller rotates, driving the glue, and the glue is discharged from the outlet by its own gravity. During this process, the glue continuously covers the roller surface. Compared with the existing technology where the glue supply box is located below the glue supply roller, the glue supply roller does not push the glue away when applying it, achieving uniform application of the glue on the glue coating roller. This effectively solves the problem of untimely material feeding, making the glue supply more continuous and stable, and achieving the goal of reliable glue supply. Then, the glue supply roller continues to rotate, uniformly and reliably coating the glue discharged from the outlet onto the roller surface of the glue coating roller. This allows the glue coating roller to evenly apply the glue to the substrate, improving the glue coating effect on the substrate and resulting in higher product quality.

[0049] In addition, a distance adjustment component is installed between the glue supply roller and the glue application roller. By adjusting the distance between them, the coating thickness of the glue during the transfer from the glue supply roller to the glue application roller can be controlled. This allows the glue application device to adapt to the different product requirements for coating thickness, improving the applicability and flexibility of the device. Furthermore, since the glue is transferred from the glue supply roller to the glue application roller, the glue distribution tends to be more uniform during the transfer process, which helps to improve the consistency and smoothness of the coating. Attached Figure Description

[0050] Figure 1 A perspective view of the adhesive application apparatus provided in an embodiment of this utility model;

[0051] Figure 2 A perspective view of the adhesive application apparatus provided in the embodiment of this utility model, without showing the adhesive application components;

[0052] Figure 3 The adhesive applicator provided in the embodiment of this utility model is shown from another perspective when the adhesive applicator components are not shown.

[0053] Figure 4 The adhesive applicator provided in this embodiment of the present invention is shown from another perspective when the adhesive applicator components are not shown.

[0054] Explanation of reference numerals in the attached figures:

[0055] 10. Glue application device;

[0056] 100. Glue supply assembly; 101. Glue supply box; 102. Glue supply roller; 103. Support frame; 104. Glue collection box; 105. Glue blocking component; 106. Glue blocking roller; 107. Drive assembly; 108. Intermediate transmission gear set; 109. First gear; 110. Third gear; 111. Fourth gear; 112. First baffle; 113. Second baffle; 114. Liquid blocking strip; 115. Liquid collection tank;

[0057] 200. Glue application assembly; 201. Glue application roller; 202. Glue application section;

[0058] 300. Distance adjustment component; 301. Telescopic component;

[0059] 400. Rack;

[0060] L, arrangement direction. Detailed Implementation

[0061] As mentioned in the background technology, when the glue coating device coats the sheet, the glue supply roller will push the glue away rather than evenly pick it up due to inertia during the rotation process. Especially when the glue level is low or the roller speed is high, the glue cannot be replenished to the roller surface in time, which can easily lead to discontinuous glue supply and uneven glue layer thickness, resulting in poor glue coating effect.

[0062] To address the aforementioned problems, this utility model provides a glue-applying device comprising a glue supply assembly and a glue-applying assembly arranged side-by-side. The glue supply assembly includes a glue supply box with an internal receiving cavity and a glue supply roller located below the glue supply box. The glue-applying assembly includes a glue-applying roller arranged side-by-side with the glue supply roller. During the glue-applying process, since the glue supply box is positioned above the glue supply roller, the glue can reliably cover the roller surface of the glue supply roller under its own gravity. Then, the glue supply roller rotates, driving the glue, and the glue is discharged from the outlet by its own gravity. During this process, the glue continuously covers the roller surface of the glue supply roller, achieving uniform coating of the glue onto the glue-applying roller. This effectively solves the problem of untimely material feeding, making the glue supply more continuous and stable, and achieving the purpose of reliable glue supply. Furthermore, as the glue supply roller continues to rotate, the glue discharged from the outlet is uniformly and reliably coated onto the roller surface of the glue-applying roller, thereby enabling the glue-applying roller to uniformly coat the substrate with glue, improving the coating effect on the substrate, and resulting in higher quality packaging bags.

[0063] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0064] This embodiment discloses an adhesive application device, such as... Figure 1 and Figure 2 As shown, this adhesive applicator 10 includes an adhesive supply assembly 100 and an adhesive application assembly 200 arranged side by side.

[0065] Specifically, the glue supply assembly 100 includes a glue supply box 101 with an internal receiving cavity and a glue supply roller 102 located below the glue supply box 101; wherein, the bottom of the glue supply box 101 has a liquid outlet facing the glue supply roller 102, and the glue supply roller 102 can pivot relative to the glue supply box 101; the glue application assembly 200 includes a glue application roller 201 arranged side by side with the glue supply roller 102, and a distance adjustment component 300 is also provided between the glue application roller 201 and the glue supply roller 102, and the distance adjustment component 300 can adjust the distance between the glue application roller 201 and the glue supply roller 102.

[0066] More specifically, during the application of adhesive, the adhesive in the adhesive supply box 101 is applied from the outlet to the surface of the adhesive supply roller 102. Then, the adhesive supply roller 102 rotates and applies the adhesive to the surface of the coating roller 201. It should be understood that this adhesive coating device 10 can be applied to bag making equipment, packaging box making equipment, etc., and the products produced can be packaging bags, packaging boxes, etc. This embodiment is not the only one.

[0067] More specifically, taking the application of this glue coating device 10 to a bag-making machine as an example, during the glue coating process, the glue is stored in the receiving cavity of the glue box. Since the glue box 101 is located above the glue supply roller 102, the glue can reliably cover the roller surface of the glue supply roller 102 under its own gravity. Then, the glue supply roller 102 pivots relative to the glue box 101, driving the glue, and the glue is discharged from the outlet by its own gravity. During this process, the glue continuously covers the roller surface of the glue supply roller 102. Compared with the prior art where the glue box 101 is located below the glue supply roller 102, the glue supply roller 10... 2. When applying adhesive, the adhesive is not pushed away, and it can be evenly applied to the coating roller 201, effectively solving the problem of untimely feeding, making the adhesive supply more continuous and stable, and achieving the purpose of reliable adhesive supply. Furthermore, as the adhesive supply roller 102 continues to rotate, the adhesive discharged from the outlet is carried to the position in contact with the coating roller 201, and the adhesive is evenly and reliably applied to the roller surface of the coating roller 201 during the contact process. This allows the coating roller 201 to evenly apply the adhesive to the substrate, ensuring the coating effect on the substrate and resulting in higher quality packaging bags.

[0068] Furthermore, a distance adjustment component 300 is provided between the glue supply roller 102 and the glue application roller 201. By adjusting the distance between them, the coating thickness of the glue when it is transferred from the glue supply roller 102 to the glue application roller 201 can be controlled. The smaller the distance, the thinner the glue layer transferred to the glue application roller 201; the larger the distance, the thicker the glue layer. This allows the glue application device 10 to adapt to the coating thickness requirements of different products, thus improving the applicability and flexibility of the glue application device 10. In addition, the glue is transferred through the glue supply roller 102 before being applied to the roller surface of the glue application roller 201. During the transfer process, the glue distribution tends to be uniform, which helps to improve the consistency and smoothness of the coating.

[0069] The structure and configuration of the spacing adjustment component will be further explained below.

[0070] Specifically, such as Figure 1 As shown, the drive end of the distance adjustment component 300 is connected to the corresponding end of the glue supply roller 102, and can adjust the position of the glue supply roller 102 relative to the glue coating roller 201 in the arrangement direction L of the glue supply roller 102 and the glue coating roller 201.

[0071] Specifically, the drive end of the distance adjustment component 300 is directly connected to the end of the glue supply roller 102, which can adjust the position of the glue supply roller 102 relative to the glue application roller 201 along the arrangement direction L of the glue supply roller 102 and the glue application roller 201, that is, adjust the gap between the two rollers, thereby controlling the glue application thickness.

[0072] In addition, by adjusting the position of the glue supply roller 102 instead of the glue application roller 201, it helps to maintain the relative position of the glue application roller 201 and the sheet conveying mechanism, thus avoiding the problem of affecting the sheet conveying path due to adjusting the position of the glue application roller 201.

[0073] More specifically, the structure and arrangement of the distance adjustment component 300 are not limited. For example, in one embodiment, the distance adjustment component 300 can be a manual screw mechanism. The operator turns the handwheel to drive the screw to rotate, and the screw pushes the end of the glue supply roller 102 to move along the arrangement direction L. This structure is simple and low-cost, and suitable for occasions with low adjustment frequency. In another embodiment, the distance adjustment component 300 can be a cylinder, with the driving end being the extended end of the cylinder piston rod. By controlling the air pressure, the piston rod is driven to extend and retract, pushing the end of the glue supply roller 102 to move. This has a faster response speed and is suitable for occasions requiring frequent adjustment.

[0074] Furthermore, to achieve reliable support for the adhesive supply assembly 100, in one embodiment, such as... Figure 1 and Figure 2 As shown, this glue supply device also includes a frame 400, and the glue supply assembly 100 is movably mounted on the frame 400 via a support frame 103. The position of the glue supply assembly 100 can be adjusted by adjusting the position of the support frame 103.

[0075] Specifically, the glue supply box 101 is detachably mounted on the support frame 103, and the two ends of the glue supply roller 102 are rotatably supported on the support frame 103 and located below the glue supply box 101. The distance adjustment component 300 is mounted on the frame 400, and its drive end is connected to the corresponding side of the support frame 103. The distance adjustment component 300 drives the support frame 103 and moves the glue supply roller 102 and the glue supply box 101 synchronously in the arrangement direction L relative to the frame 400, thereby adjusting the position of the glue supply roller 102 to adapt to different glue coating thicknesses.

[0076] More specifically, the distance adjustment component 300 drives the support frame 103 to move, and the glue supply roller 102 and glue supply box 101 move synchronously with the support frame 103. This helps to maintain the relative positional relationship between the glue supply box 101 and the glue supply roller 102, and avoids changes in the glue supply status due to position adjustment, which would affect the continuity of glue application. In addition, the glue supply box 101 is detachably mounted on the support frame 103, which facilitates the removal of the glue supply box 101 when changing the glue type or performing cleaning and maintenance, thus improving the maintenance convenience of the glue supply box 101 and the efficiency of replacing the glue supply box 101.

[0077] More specifically, this application does not limit the movable connection method between the support frame 103 and the frame 400. For example, in one embodiment, the support frame 103 can be mounted on the frame 400 via a linear guide rail. The support frame 103 is provided with a slider, and the frame 400 is provided with a linear guide rail that cooperates with the slider. The support frame 103 can slide along the guide rail in the arrangement direction L. In another embodiment, rollers can also be provided on the support frame 103, and guide grooves can be provided on the frame 400. The rollers roll in the guide grooves, and the support frame 103 can slide along the guide grooves in the arrangement direction L.

[0078] Furthermore, to ensure that the support frame 103 can move stably, in one embodiment, such as... Figure 3 As shown, the distance adjustment component 300 includes a pair of telescopic members 301; and each telescopic member 301 extends along the arrangement direction L, with one end fixed to the frame 400 and the other end serving as a drive end connected to the corresponding end of the support frame 103 in the axial direction of the glue supply roller 102.

[0079] Specifically, a pair of telescopic members 301 act on both ends of the support frame 103 along the axial direction of the glue supply roller 102, enabling synchronous movement of the support frame 103 from both sides. This helps maintain the balance and stability of the support frame 103 during movement, avoiding problems such as skewness or jamming caused by unilateral drive. Furthermore, the telescopic members 301 extend along the arrangement direction L, with the driving force direction consistent with the movement direction, resulting in high transmission efficiency and facilitating smooth spacing adjustment.

[0080] In addition, the synchronous extension and retraction of a pair of telescopic members 301 can keep the gap between the glue supply roller 102 and the glue application roller 201 uniform along the entire axial length, which helps to maintain the consistency of the glue coating thickness.

[0081] More specifically, the structure and arrangement of the telescopic component 301 are not limited, for example, it can be a linear motor, a drive cylinder, etc., and this embodiment does not limit it to a single one.

[0082] Furthermore, to ensure that the remaining adhesive on the glue supply roller 102 is not wasted after it has finished supplying adhesive to the glue coating roller 201, in one embodiment, such as... Figure 2 and Figure 3 As shown, the glue supply assembly 100 also includes a glue container 104 disposed below the glue supply roller 102, and the glue container 104 has an upward-opening liquid inlet, wherein the vertical projection of the side of the glue supply roller 102 near the glue coating roller 201 is located inside the liquid inlet of the glue container 104.

[0083] Specifically, the glue container 104 is located below the glue supply roller 102 and has an upward-facing liquid inlet, which can receive glue dripping or overflowing from the roller surface of the glue supply roller 102, helping to reduce glue waste and contamination of the equipment.

[0084] Furthermore, the vertical projection of the glue supply roller 102 near the glue application roller 201 lies within the liquid inlet of the glue collection box 104. This means that any glue dripping from the glue supply roller 102 is within the receiving range of the glue collection box 104, ensuring that any dripping glue can fall into the glue collection box 104 and be collected for easy recycling. Moreover, the glue collected in the glue collection box 104 can be added back to the glue supply box 101 for reuse, helping to reduce production costs.

[0085] Furthermore, to reduce the risk of equipment contamination caused by splashing of remaining adhesive during the rotation of the glue supply roller 102 after it has finished supplying adhesive to the glue coating roller 201, in one embodiment, such as Figure 2 As shown, the glue supply assembly 100 also includes a glue-blocking member 105 located downstream of the glue supply roller 102 in the rotation direction of the glue supply roller 102. In the arrangement direction L, the glue-blocking member 105 is located between the glue supply roller 102 and the glue application roller 201, thereby blocking excess glue from being thrown out when the glue supply roller 102 rotates, effectively preventing glue from splashing onto the glue application roller 201 or the surrounding environment.

[0086] Specifically, the vertical projection of the adhesive blocking component 105 is located inside the liquid inlet of the adhesive container 104, so that the adhesive liquid blocked by the adhesive blocking component 105 can flow back into the adhesive container 104 for collection, which helps to realize the recycling and reuse of adhesive liquid and reduce waste.

[0087] More specifically, the following explains how the glue-blocking component 105 and the glue-supply roller 102 achieve rotation.

[0088] In one implementation, such as Figure 2 As shown, the glue-blocking component 105 is a glue-blocking roller 106 arranged side by side with the glue supply roller 102 on the support frame 103. The glue supply assembly 100 also includes a drive assembly 107, which includes a drive component mounted on the support frame 103 and an intermediate transmission gear set 108 mounted on the support frame 103.

[0089] Specifically, the intermediate transmission gear set 108 includes a first gear 109 fixedly sleeved on one end of the glue supply roller 102, and a second gear (not shown in the figure) fixedly sleeved on one end of the glue blocking roller 106. The first gear 109 and the second gear mesh with each other. The driving component is connected to the first gear 109. The driving component drives the first gear 109 to rotate, thereby causing the glue supply roller 102 to rotate. The rotation of the first gear 109 causes the second gear to rotate, thereby causing the glue blocking roller 106 to rotate.

[0090] More specifically, while the drive component drives the first gear 109 to rotate, causing the glue supply roller 102 to rotate, the first gear 109 also drives the second gear to rotate, which in turn drives the glue-blocking roller 106 to rotate synchronously toward the glue supply roller 102. This allows the glue-blocking roller 106 to better throw the glue into the glue collection box 104 for glue collection. Furthermore, by driving the first gear 109 to rotate, the second gear can be driven to rotate, enabling the glue supply roller 102 and the glue-blocking roller 106 to rotate simultaneously. This makes the structure of the glue coating device 10 more compact and reduces manufacturing costs.

[0091] In addition, both the glue-blocking roller 106 and the glue-supply roller 102 are mounted on the support frame 103 and move synchronously with the support frame 103, which helps to maintain the relative position stability between the two. When adjusting the position between the glue-supply roller 102 and the glue-applying roller 201, the glue-blocking function of the glue-blocking roller 106 is not affected.

[0092] More specifically, the transmission ratio between the first gear 109 and the second gear is 3 to 8:1. For example, the transmission ratio between the first gear 109 and the second gear can be 3:1, 5:1, 8:1, etc., which means that the rotation speed of the glue supply roller 102 is higher than that of the glue blocking roller 106, thereby avoiding the risk that the glue blocking roller 106 will rotate too fast and the glue liquid on the glue blocking roller 106 will be thrown out of the glue collection box 104 under the action of centrifugal force.

[0093] More specifically, the structure and arrangement of the driving components are not limited, for example, they can be servo motors, stepper motors, etc., and this embodiment does not limit them to a single type.

[0094] Furthermore, in some embodiments, the glue-blocking component 105 can also be configured as a fixed baffle. The baffle is a flat plate structure and is vertically installed on the support frame 103, with a gap between the baffle and the glue supply roller 102. In other embodiments, the glue-blocking component 105 can also be an arc-shaped baffle, with the concave surface of the arc-shaped baffle facing the glue supply roller 102. The arc-shaped surface can better guide the splashed glue to slide down the arc surface into the glue collection box 104, reducing the accumulation of glue on the baffle. This embodiment is not the only one.

[0095] The following explains how the coating roller 201 rotates.

[0096] Specifically, such as Figure 1 As shown, the coating roller 201 is rotatably connected to the frame 400. The intermediate transmission gear set 108 also includes a third gear 110 fixedly sleeved on the other end of the glue supply roller 102 and a fourth gear 111 fixedly sleeved on one end of the coating roller 201, and the third gear 110 and the fourth gear 111 mesh with each other.

[0097] Specifically, the drive component drives the first gear 109 to rotate, which in turn drives the glue supply roller 102 to rotate. The rotation of the glue supply roller 102 drives the third gear 110 to rotate, which in turn drives the fourth gear 111 to rotate. The rotation of the fourth gear 111 drives the glue application roller 201 to rotate, thereby realizing the application of glue to the substrate through the glue application roller 201.

[0098] More specifically, the coating roller 201 is driven by the glue supply roller 102 through the meshing of the third gear 110 and the fourth gear 111. This eliminates the need for a separate drive component for the coating roller 201, simplifying the drive structure and reducing manufacturing costs. Furthermore, the coating roller 201 is rotatably connected to the frame 400. While the glue supply roller 102 moves with the support frame 103 and adjusts the distance between itself and the coating roller 201, the coating roller 201 remains fixed. The gear transmission adapts to changes in distance and maintains the meshing relationship, helping to maintain continuous transmission during adjustment.

[0099] It should be noted that when the glue supply roller 102 moves with the support frame 103 to adjust the distance between itself and the glue application roller 201, when the distance is increased, the meshing size of the third gear 110 and the fourth gear 111 decreases, and when the distance is decreased, the meshing size of the third gear 110 and the fourth gear 111 increases.

[0100] The following provides a further explanation of the specific structure and arrangement of the glue supply box 101.

[0101] Specifically, such as Figure 3 As shown, the glue supply box 101 includes a pair of first baffles 112 disposed at both axial ends of the glue supply roller 102, extending perpendicular to the axial direction of the glue supply roller 102 and facing each other, and a second baffle 113 fixedly installed on the inner side of the pair of first baffles 112, extending obliquely towards the upper end of the glue supply roller 102 relative to the vertical direction. It should be understood that the top of the glue supply box 101 has a liquid injection port to facilitate the addition of glue.

[0102] Furthermore, the second baffle 113 forms a partial liquid outlet at one end near the glue supply roller 102, such as a 1 / 2 liquid inlet, a 2 / 3 liquid inlet, a 3 / 4 liquid inlet, etc. This embodiment does not limit it to a single type.

[0103] Specifically, a pair of first baffles 112 are respectively disposed at both ends of the glue supply roller 102 along the axial direction, which can restrict the flow of glue along the axial direction of the glue supply roller 102 and help prevent glue leakage from both ends of the glue supply box 101. In addition, a second baffle 113 is fixed to the inner side of the pair of first baffles 112 and extends obliquely relative to the vertical direction. The oblique baffle can guide the glue along its surface to the outlet, which helps to achieve directional and controllable flow of glue, so that the glue can be stably coated on the roller surface of the glue supply roller 102. Furthermore, the oblique arrangement of the second baffle 113 can form a gradually narrowing flow channel at the outlet, which helps to control the flow rate and flow rate of the glue, making the glue supply more uniform.

[0104] Furthermore, to further reduce adhesive leakage, in one embodiment, such as Figure 4 As shown, there is a gap between each first baffle 112 and the corresponding end of the glue supply roller 102, thereby avoiding the risk of the first baffle 112 interfering with the rotation of the glue supply roller 102; and, each first baffle 112 is provided with a liquid-blocking strip 114 on the corresponding side near the glue supply roller 102. Each liquid-blocking strip 114 extends circumferentially along the glue supply roller 102 and is located above the outer peripheral wall of the glue supply roller 102. The liquid-blocking strip 114 extends circumferentially along the glue supply roller 102 on the side of the first baffle 112 near the glue supply roller 102, which can block the glue and reduce the risk of glue leakage from the gap.

[0105] Specifically, in the width direction of the liquid-retaining strips 114, a liquid-collecting groove 115 is formed between the side of each liquid-retaining strip 114 near the outer peripheral wall of the glue supply roller 102 and the outer peripheral wall of the glue supply roller 102. The cross-section of the liquid-collecting groove 115 is a triangular shape that gradually opens from one end of the liquid-collecting groove 115 near the corresponding first baffle 112 toward the other end away from the corresponding first baffle 112; or the cross-section of the liquid-collecting groove 115 is a fan shape that gradually opens from one end of the liquid-collecting groove 115 near the corresponding first baffle 112 toward the other end away from the corresponding first baffle 112. Thus, the liquid-collecting groove 115 can gather the glue flowing along the axial direction of the glue application roller 201 toward the pair of first baffles 112 toward the center of the glue supply box 101, further reducing the risk of glue seeping out from the gap between the first baffle 112 and the glue supply roller 102, helping to keep the gap clean and reducing the maintenance frequency of this glue application device 10.

[0106] Furthermore, to enable this adhesive applicator 10 to apply adhesive to specific areas of the substrate, in one embodiment, such as... Figure 1 and Figure 3As shown, the coating roller 201 also has a coating part 202 protruding from the outer peripheral wall of the coating roller 201, and the cross section of the coating part 202 is truncated fan-shaped; and the rotation of the coating roller 201 drives the coating part 202 to rotate and enter between a pair of first baffles 112, so that the glue roller 102 can rotate and coat the glue liquid on the surface of the coating part 202.

[0107] Specifically, during the gluing process, the gluing roller 201 rotates, causing the gluing section 202 to enter between a pair of first baffles 112. The gluing roller 102 then applies the adhesive to the surface of the gluing section 202, ensuring that the adhesive is applied only to the gluing section 202 rather than the entire roller surface of the gluing roller 201. The adhesive is then applied to the substrate through the gluing section 202, enabling intermittent and localized gluing. This helps meet the process requirements of applying adhesive only to specific areas of the sheet and improves the accuracy of the gluing position.

[0108] Furthermore, since the adhesive application section 202 enters between a pair of first baffles 112 during the adhesive application process, when the adhesive application section 202 squeezes the adhesive liquid, the adhesive liquid flows along the axial direction of the adhesive supply roller 102 towards both ends of the adhesive supply roller 102, which can be blocked by a pair of baffles, thereby reducing the risk of adhesive liquid splashing and allowing excess adhesive liquid to reliably fall into the adhesive collection box 104.

[0109] The above description illustrates the implementation of this utility model through specific embodiments. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model is presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0110] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0111] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0112] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0113] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

Claims

1. A glue-applying device, characterized in that, This includes a glue supply assembly and a glue application assembly arranged side by side; among which The glue supply assembly includes a glue supply box with an internal receiving cavity and a glue supply roller located below the glue supply box; wherein, the bottom of the glue supply box has a liquid outlet facing the glue supply roller, and the glue supply roller can pivot relative to the glue supply box. The adhesive application assembly includes an adhesive application roller arranged parallel to the adhesive supply roller, and a distance adjustment component is further provided between the adhesive application roller and the adhesive supply roller; wherein The adhesive in the adhesive supply box is applied to the surface of the adhesive supply roller from the outlet, and the adhesive supply roller rotates to apply the adhesive to the surface of the coating roller.

2. The adhesive applicator as described in claim 1, characterized in that, The drive end of the distance adjustment component is connected to a corresponding end of the glue supply roller, and the position of the glue supply roller can be adjusted relative to the glue coating roller in the arrangement direction of the glue supply roller and the glue coating roller.

3. The adhesive applicator as described in claim 2, characterized in that, It also includes racks; among which The glue supply assembly is movably mounted on the frame via a support frame; and The glue supply box is detachably mounted on the support frame, and the two ends of the glue supply roller are rotatably supported on the support frame and below the glue supply box. The distance adjustment component is mounted on the frame and its drive end is connected to the corresponding side of the support frame. The distance adjustment component drives the support frame and moves the glue supply roller and the glue supply box synchronously relative to the frame in the arrangement direction.

4. The adhesive applicator as described in claim 3, characterized in that, The distance adjustment component includes a pair of telescopic members; and Each of the telescopic components extends along the arrangement direction, with one end fixed to the frame and the other end serving as the drive end, which is connected to the corresponding end of the support frame in the axial direction of the glue supply roller.

5. The adhesive applicator as described in claim 3, characterized in that, The glue supply assembly further includes a glue collection box disposed below the glue supply roller, the glue collection box having an upward-opening liquid inlet; wherein The vertical projection of the side of the glue supply roller closest to the glue coating roller is located inside the liquid inlet of the glue container.

6. The adhesive applicator as described in claim 5, characterized in that, The glue supply assembly further includes a glue-blocking member located downstream of the glue supply roller in the rotation direction of the glue supply roller, and in the arrangement direction, the glue-blocking member is located between the glue supply roller and the glue application roller; and The vertical projection of the adhesive-blocking component is located inside the liquid inlet of the adhesive container.

7. The adhesive applicator as described in claim 6, characterized in that, The glue-blocking component is a glue-blocking roller arranged side by side with the glue-supply roller on the support frame. The glue-supply assembly also includes a drive assembly, which includes a drive component mounted on the support frame and an intermediate transmission gear set mounted on the support frame. in The intermediate transmission gear set includes a first gear fixedly sleeved on one end of the glue supply roller and a second gear fixedly sleeved on one end of the glue blocking roller, wherein the first gear and the second gear mesh with each other. The driving component is tractively connected to the first gear, and the driving component drives the first gear to rotate, thereby rotating the glue supply roller. The rotation of the first gear drives the rotation of the second gear, thereby rotating the glue blocking roller. The transmission ratio between the first gear and the second gear is 3~8:

1.

8. The adhesive applicator as described in claim 7, characterized in that, The coating roller is rotatably connected to the frame. The intermediate transmission gear set further includes a third gear fixedly sleeved on the other end of the glue supply roller and a fourth gear fixedly sleeved on one end of the coating roller, wherein the third gear and the fourth gear mesh with each other; wherein The driving component drives the first gear to rotate, which in turn drives the glue supply roller to rotate. The rotation of the glue supply roller drives the third gear to rotate, which in turn drives the fourth gear to rotate. The rotation of the fourth gear drives the glue application roller to rotate.

9. The adhesive applicator according to any one of claims 2-8, characterized in that, The glue supply box includes a pair of first baffles disposed at both axial ends of the glue supply roller, extending perpendicular to the axial direction of the glue supply roller and facing each other, and a second baffle fixedly installed inside the pair of first baffles, extending obliquely towards the upper end of the glue supply roller relative to the vertical direction; wherein The second baffle forms part of the liquid outlet at one end near the glue supply roller.

10. The adhesive applicator as claimed in claim 9, characterized in that, There is a gap between each of the first baffles and a corresponding end of the corresponding glue supply roller, and each of the first baffles is provided with a liquid-blocking strip on the corresponding side near the glue supply roller, each liquid-blocking strip extending circumferentially along the glue supply roller and located above the outer peripheral wall of the glue supply roller; and In the width direction of the liquid-blocking strip, a liquid-collecting groove is formed between the side of each liquid-blocking strip near the outer peripheral wall of the glue supply roller and the outer peripheral wall of the glue supply roller, and the cross-section of the liquid-collecting groove is a triangular or fan-shaped shape that gradually opens from the end of the liquid-collecting groove near the corresponding first baffle toward the other end away from the corresponding first baffle.

11. The adhesive applicator as claimed in claim 9, characterized in that, The coating roller also has a coating portion protruding from the outer peripheral wall of the coating roller, and the cross-section of the coating portion is truncated sector-shaped; wherein The rotation of the coating roller causes the coating section to rotate and enter between the pair of first baffles, and the rotation of the glue supply roller applies the glue to the surface of the coating section.

Images