A rubber product glue brushing device

Abstract

The present application relates to rubber product processing technical field, disclose a kind of rubber product glue brushing device, including frame body, glue brushing support is provided on the frame body, rotating roller and glue brushing roller are provided in parallel on the support, the glue brushing roller successively includes glue penetration layer, grid layer, adjusting layer and glue loading layer from outside to inside, the glue penetration layer is fixedly arranged on the outside of the grid layer, a plurality of first glue penetration openings are evenly opened in parallel on the glue loading layer, a plurality of second glue penetration openings are opened in correspondence on the adjusting layer, adjusting mechanism is arranged between the adjusting layer and the glue loading layer, the adjusting mechanism controls the coincident area of the first glue penetration opening and the second glue penetration opening to adjust the speed of glue discharge.The present application has the advantages and effects that the glue discharge speed can be accurately and conveniently adjusted, and the glue can be uniformly and stably circulated and penetrated in the glue brushing roller, thereby improving the surface glue coating quality of rubber products and production efficiency.

Description

Technical Field

[0001] This invention relates to the field of rubber product processing technology, and in particular to a rubber product gluing device. Background Technology

[0002] In the production and processing of rubber products, the glue application process is not only an important step in improving the final product quality, but also a key link in ensuring the smooth progress of subsequent processes. By precisely controlling the thickness, uniformity, and bonding strength of the glue coating, problems such as delamination, delamination, or leakage during product use can be effectively avoided, thereby significantly improving the durability and reliability of rubber products. Therefore, the control of process standards and technical details in this step is often a core factor determining product performance and market competitiveness. Traditional glue application devices often have many technical bottlenecks and process defects in practical applications. For example, the glue dispensing speed adjustment mechanism of some devices is relatively crude, making it difficult to accurately and flexibly adjust according to the material characteristics, thickness specifications, and glue application process requirements of different rubber products. This leads to glue waste and increased production costs when too much glue is applied, or insufficient glue application affecting bonding strength and product reliability. Some equipment has inherent design flaws in its glue-applying roller structure. Uneven distribution of the glue flow channels within the roller body and unstable pressure control lead to uneven glue film formation during glue seepage. This results in locally excessively thick or thin glue layers on the surface of rubber products, affecting not only the product's appearance but also reducing its mechanical properties and durability. Furthermore, the adjustment mechanisms of traditional equipment mostly rely on manual operation. Their complex structures lack calibration functions, requiring operators with extensive experience and technical judgment. Each adjustment necessitates repeated testing and measurements, significantly increasing production preparation time and reducing production line efficiency and flexibility. These problems not only increase the technological difficulty of rubber product manufacturing but also, to some extent, restrict the improvement of production automation and the assurance of consistent product quality. Summary of the Invention

[0003] The purpose of this invention is to provide a glue application device for rubber products, which has the advantages and effects of being able to accurately and conveniently adjust the glue dispensing speed and achieve uniform and stable flow and seepage of glue inside the glue application roller, thereby improving the quality of glue coating on the surface of rubber products and production efficiency.

[0004] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a rubber product gluing device, comprising a frame, a gluing support on the frame, a rotating roller and a gluing roller arranged in parallel on the support, the gluing roller comprising, from the outside to the inside, a glue-penetrating layer, a mesh layer, an adjusting layer and a glue-filling layer, the glue-penetrating layer being fixedly disposed on the outside of the mesh layer, the glue-filling layer being fixedly connected at both ends to the support, the adjusting layer being sleeved on the glue-filling layer, the glue-filling layer having a plurality of first glue-penetrating orifices evenly and parallelly opened on the glue-filling layer, the adjusting layer having a plurality of second glue-penetrating orifices correspondingly opened on the adjusting layer, an adjusting mechanism being disposed between the adjusting layer and the glue-filling layer, the adjusting mechanism controlling the overlapping area of ​​the first glue-penetrating orifices and the second glue-penetrating orifices to adjust the glue dispensing speed.

[0005] By adopting the above technical solution, this invention enables precise control of the glue dispensing speed. When it is necessary to adjust the glue dispensing speed, the adjusting mechanism controls the rotation of the adjusting layer relative to the glue-filling layer, changing the overlap area between the first and second glue-filling orifices. When the overlap area increases, the channel through which the glue flows from the glue-filling layer through the first and second glue-filling orifices widens, increasing the amount of glue dispensed per unit time and accelerating the glue dispensing speed; conversely, when the overlap area decreases, the glue dispensing channel narrows, and the glue dispensing speed slows down. This structural design allows operators to conveniently adjust the glue dispensing speed according to the specific glue application requirements of different rubber products, such as the material's glue absorption capacity and the required glue layer thickness, avoiding problems such as glue waste and excessively thick glue layers due to excessively fast dispensing, or excessively thin glue layers due to excessively slow dispensing, thus ensuring the stability of the glue application quality. Meanwhile, the glue-applying roller is arranged from the outside to the inside as follows: glue-penetrating layer, mesh layer, adjusting layer, and glue-filling layer. The glue-filling layer serves as a storage and conveying channel for the glue. The adjusting layer, in conjunction with the glue-filling layer, adjusts the amount of glue dispensed. The mesh layer helps to evenly distribute the glue that has permeated out. Finally, the glue-penetrating layer evenly coats the surface of the rubber product, further improving the uniformity of the glue application and enhancing the product's appearance quality and bonding performance.

[0006] A further feature of the present invention is that: a fixing rod is provided at both ends of the adhesive layer, and the two ends of the fixing rod are fixedly connected to the frame; the adjustment mechanism includes a support plate coaxially fixedly connected to the fixing rod, and the adjustment mechanism is disposed on the support plate.

[0007] By installing fixing rods at both ends of the glue layer and securing both ends of these rods to the frame, a stable support is provided for the glue layer, ensuring it does not shake or shift during glue application and thus guaranteeing the overall stability of the glue roller structure. Simultaneously, connecting the adjustment mechanism to a support plate on the fixing rods allows for more precise and stable positioning of the adjustment mechanism. The coaxial fixing of the support plate and fixing rods ensures that the adjustment mechanism always moves around the axis of the glue layer during operation, thereby precisely controlling the rotation angle of the adjustment layer relative to the glue layer. This allows for accurate adjustment of the overlapping area between the first and second glue inlets, achieving precise control of the glue dispensing speed. This structural design not only improves the stability and reliability of the adjustment mechanism but also provides a solid foundation for its subsequent coordinated actions.

[0008] A further feature of the present invention is that: a ring gear is coaxially provided at the end of the adjustment layer, and a paddle is provided at the end of the mesh layer; the paddle controls the adjustment mechanism to drive the ring gear to rotate the adjustment layer, thereby changing the overlapping area of ​​the first glue inlet and the second glue inlet; the central angles corresponding to the ring gear, the first glue inlet, and the second glue inlet are equal.

[0009] By coaxially mounting a ring gear at the end of the adjusting layer and a paddle at the end of the mesh layer, the rotation of the mesh layer is cleverly utilized to drive the adjusting mechanism, which in turn drives the adjusting layer to rotate and change the glue dispensing speed. When the mesh layer rotates with the conveying of the rubber product, the paddle at its end rotates synchronously. During the rotation, the paddle interacts with the adjusting mechanism, triggering the adjusting mechanism to drive the ring gear to rotate. The ring gear then drives the adjusting layer, which is coaxially fixed with it, to rotate relative to the glue layer.

[0010] Because the central angles of the ring gear, the first glue inlet, and the second glue inlet are equal, this design ensures that the first and second glue inlets can precisely overlap or misalign when the adjustment layer rotates by a specific angle. For example, when the ring gear rotates by a corresponding central angle, the second glue inlet on the adjustment layer rotates by the corresponding central angle and intersects with the first glue inlet on the glue layer, changing the overlapping area of ​​the first and second glue inlets. When the overlapping area increases, the channel through which the glue flows from the glue layer through the first and second glue inlets widens, increasing the glue output per unit time and accelerating the glue output speed. Conversely, when the overlapping area decreases, the glue output channel narrows, and the glue output speed slows down. This precise matching of angles makes the glue output adjustment more accurate and controllable, avoiding problems such as uneven glue output or adjustment failure caused by angle deviations, and greatly improving the adaptability and adjustment accuracy of the device under different glue application requirements.

[0011] A further configuration of the present invention is as follows: the adjusting mechanism includes a movable block, a limiting member, a control member, and a limiting rack; the movable block is slidably disposed on the support plate; the limiting member is movably disposed above the movable block; the control member is movably disposed below the movable block; the limiting rack is arc-shaped disposed on the support plate; and the paddle actuates the limiting member to engage with the limiting rack.

[0012] The limiting sliding design of the movable block on the support plate provides a stable motion trajectory for the entire adjustment mechanism, ensuring its precise movement along the preset path. The limiting component is movably positioned above the movable block, primarily used to engage with the arc-shaped limiting rack to achieve position locking. The control component, located below the movable block, plays a crucial driving and control role in the rotation of the adjustment layer during adjustment. When the mesh layer rotates, the lever at its end rotates accordingly. The lever contacts the limiting component and applies force, causing the limiting component to engage or disengage from the limiting rack. This process is the initial trigger for the adjustment mechanism to achieve its adjustment function. Through the mechanical movement of the lever, the rotation of the mesh layer is converted into a control signal for the adjustment mechanism, laying the foundation for subsequent adjustments to the rotation of the adjustment layer and the amount of adhesive dispensed.

[0013] A further configuration of the present invention is as follows: the limiting member includes a limiting block, a limiting spring, a limiting post, an elastic sheet, and a wave plate. The upper end of the movable block is provided with an upper insertion port. The lower part of the limiting block is vertically slidably inserted into the upper insertion port of the movable block through the limiting spring. The end of the limiting block away from the movable block is provided with an inclined slope and a toggle plate. The limiting rack includes a plurality of evenly arranged limiting teeth and a force-relieving tooth provided at the end. The limiting posts are all provided on the side of the limiting block. The elastic sheet is provided on the side of the movable block. When the limiting slope of the end face of the limiting block contacts the force-relieving tooth, the limiting block gradually compresses the limiting spring, causing the limiting post to enter the elastic sheet and restricting the extension of the limiting block.

[0014] By adopting the above technical solution, the structural design of the limiting component achieves precise locking and releasing of the movable block's position. The upper insertion port at the top of the movable block provides installation space for the limiting block. The limiting block is vertically slidably inserted into the upper insertion port via a limiting spring, giving it the ability to elastically extend and retract vertically. When the lever actuates the lever on the limiting block, the limiting block can extend or retract under the action of the limiting spring. The inclined slope design at the end of the limiting block away from the movable block facilitates its interaction with the limiting teeth on the limiting rack. During the movement of the movable block, when the inclined slope contacts the sliding angled surface of the limiting teeth, relative sliding occurs, compressing the limiting spring and allowing the limiting block to smoothly pass over the limiting teeth. When the limiting block moves to the appropriate position, under the rebound action of the limiting spring, the end of the limiting block engages with the right-angled surface of the limiting teeth, achieving position locking of the movable block. A limiting post is positioned on the side of the limiting block, and an elastic plate is positioned on the side of the movable block. When the limiting slope of the limiting block's end face contacts the unloading tooth, due to the relatively long length of the unloading tooth, the limiting block gradually compresses the limiting spring, causing the limiting post to enter the elastic plate. The elastic plate then exerts a clamping force on the limiting post, thus restricting the extension of the limiting block. At this point, the limiting block separates from the limiting rack, preparing for the resetting movement of the movable block. This structural design cleverly combines mechanical elasticity with the limiting engagement principle, ensuring the stability and positional accuracy of the movable block when moving within the limiting arc groove, providing a reliable guarantee for the precise rotation of the adjustment layer.

[0015] A further configuration of the present invention is as follows: the control element includes a control block that is vertically and movably inserted below the movable block, the control block and the movable block are connected by a control spring, and the end of the control block away from the movable block is provided with an inclined surface.

[0016] By adopting the above technical solution, the structural design of the control component effectively drives the rotation of the adjustment layer. The control block is vertically and movably inserted below the movable block, and a control spring connects the control block and the movable block, providing elastic support and reset capability for the control block. When the movable block moves towards the unloading gear end within the limiting arc groove, the inclined surface of the control block away from the movable block contacts the ring gear at the end of the adjustment layer. The inclined surface allows the control block to extend or retract under the action of the control spring during its movement with the movable block, guiding it smoothly over the ring gear and its meshing teeth. The gradual stretching of the tension spring prepares the movable block to drive the ring gear on the adjustment layer to rotate. When the limiting block separates from the limiting rack, the rebound force of the tension spring pulls the movable block to quickly reset. At this time, the control block extends under the action of the control spring and tightly engages with the tooth groove of the ring gear. The reset movement of the movable block is then transmitted to the ring gear through the control block, causing the ring gear and the adjustment layer coaxially fixed to it to rotate synchronously. The inclined surface on the control block, during the initial reset phase of the movable block, allows the control block to smoothly enter the gear's tooth groove by compressing the control spring through the guiding action of the inclined surface, ensuring reliable power transmission. This structural design transforms the linear reset motion of the movable block into the rotational motion of the adjusting layer, achieving precise control of the adjusting layer's rotation angle. This, in turn, allows for precise adjustment of the overlapping area between the first and second glue inlets, thus regulating the glue dispensing speed. Simultaneously, the elasticity of the control spring provides a buffer during the contact and separation of the control block with the ring gear, reducing mechanical wear and improving the device's service life and operational stability.

[0017] A further feature of the present invention is that the limiting tooth is provided with a sliding oblique surface opposite to the inclined slope on the limiting block, the other side of the limiting tooth is a right angle surface, and the length of the unloading tooth is longer than the length of the limiting tooth.

[0018] By adopting the above technical solution, the special structural design of the limiting tooth further optimizes the cooperation effect between the limiting block and the limiting rack. The sliding angled surface on the limiting tooth, opposite to the inclined slope of the limiting block, allows the inclined surfaces of the two to smoothly align and slide relative to each other when the limiting block moves with the movable block and contacts the limiting tooth. At this time, the limiting block is subjected to a component force along the direction of the sliding angled surface. This component force drives the limiting block to compress the limiting spring and retract downwards, allowing the limiting block to smoothly pass the current limiting tooth and avoiding movement jamming. The other side of the limiting tooth is set as a right-angled surface. After the limiting block passes the limiting tooth, it extends upwards under the rebound of the limiting spring. The end face of the limiting block forms a rigid engagement with the right-angled surface of the limiting tooth. The right-angled surface effectively prevents the limiting block from moving in the opposite direction, thus firmly locking the movable block in its current position and ensuring the positional accuracy of the movable block during adjustment.

[0019] Furthermore, the unloading teeth are longer than the limiting teeth. This design allows the limiting block to compress the limiting spring more when its inclined surface contacts the unloading teeth. This ensures the limiting post on the side of the limiting block can fully engage with the elastic plate on the side of the movable block. The elastic plate provides stronger restraint to the limiting post, ensuring the limiting block retracts stably when interacting with the unloading teeth and no longer jams with the limiting rack. This facilitates the rapid reset of the movable block under the action of the tension spring, further improving the response speed and reliability of the adjustment mechanism.

[0020] A further configuration of the present invention is as follows: a limiting arc groove is formed on the support plate, the movable block is slidably engaged in the limiting arc groove, a tension spring is provided on one side of the movable block located in the limiting arc groove, one end of the tension spring is fixedly connected to the inside of the limiting arc groove, and the other end is fixedly connected to one side of the movable block, and a push block is provided on the side of the support block near the tension spring.

[0021] By adopting the above technical solution, the limiting arc-shaped groove on the support plate provides a precise arc-shaped motion trajectory for the movable block. The movable block slides and engages within the limiting arc-shaped groove, ensuring that it can only move stably along the preset arc-shaped path, preventing the movable block from deviating or wobbling during movement, and providing guidance for the precise action of the adjustment mechanism. A tension spring located on one side of the movable block within the limiting arc-shaped groove has one end fixedly connected to the inside of the limiting arc-shaped groove and the other end fixedly connected to one side of the movable block. When the movable block moves away from the tension spring under the action of the lever (i.e., in the direction of the unloading tooth), the tension spring is stretched and stores elastic potential energy. When the limiting block separates from the limiting rack, the tension spring releases the stored elastic potential energy, generating a strong rebound force to quickly reset the movable block. This spring reset design is not only simple in structure and responds quickly, but also provides stable and continuous power for the reset movement of the movable block, ensuring that the movable block can quickly return to its initial position, preparing for the next adjustment action.

[0022] Simultaneously, a push block is positioned on the side of the support block near the tension spring. Due to its placement, the push block pushes out the elastic sheet, causing it to deform and lose its restraint on the limiting post. The limiting block then engages with the limiting rack. At this point, under the action of the limiting spring, the limiting block extends upwards and re-engages with the limiting teeth on the limiting rack, completing the reset cycle of the entire adjustment mechanism. The push block cleverly solves the problem of releasing the limiting post's restraint caused by the elastic sheet. By contacting and deforming the elastic sheet when the movable block resets to its initial position, the elastic sheet no longer exerts a clamping force on the limiting post, allowing the limiting post to disengage from the elastic sheet. The limiting block then extends smoothly under the rebound of the limiting spring and engages with the limiting rack, ensuring that the adjustment mechanism can stably and efficiently perform the next dispensing adjustment action, further improving the automation level and continuous working capability of the entire device.

[0023] A further provision of the present invention is that the frictional force between the adjusting layer and the adhesive layer is greater than the frictional force between the adjusting layer and the mesh layer.

[0024] By adopting the above technical solution, the friction between the adjusting layer and the glue-filling layer is greater than the friction between the adjusting layer and the mesh layer. This design plays a crucial role in the operation of the device. When the mesh layer rotates along with the conveying of the rubber product, due to the lower friction between the adjusting layer and the mesh layer, the mesh layer can rotate smoothly relative to the adjusting layer. This avoids the situation where the adjusting layer is directly driven to rotate by the mesh layer due to excessive friction, thus ensuring the positional stability of the adjusting layer and laying the foundation for precise control of the adjusting layer's rotation through the adjusting mechanism. Simultaneously, the greater friction between the adjusting layer and the glue-filling layer prevents the glue-filling layer from shifting or rotating due to the rotation of the adjusting layer, ensuring the fixed position of the first glue-filling nozzle. In this way, the rotation of the adjusting layer can simply change the overlapping area of ​​the second glue-filling nozzle and the first glue-filling nozzle, achieving precise adjustment of the glue dispensing amount, without causing the glue-filling nozzle position to become disordered due to the linkage rotation of the glue-filling layer, further improving the accuracy and reliability of glue dispensing amount adjustment. This reasonable setting of friction force cleverly coordinates the movement relationship between various components, ensuring the stable and orderly operation of the entire glue-applying device during the adjustment process.

[0025] A further configuration of the present invention is as follows: when the mesh layer rotates one revolution, the paddle on the mesh layer actuates the paddle on the limiting block, and the paddle drives the entire movable block to move along the limiting arc groove. When the inclined slope on the limiting block contacts the limiting tooth, the limiting tooth pushes the sliding block to compress the limiting spring, causing the paddle on the limiting block to disengage from the paddle. Then, the end of the limiting block engages with the limiting tooth. At the same time, the inclined surface on the lower control block causes the lower control block to compress the control spring. When the limiting block moves to the unloading tooth, since the unloading tooth is longer than the limiting tooth, the limiting block compresses the limiting spring more. The limiting post on the limiting block is hooked by the elastic plate. At this time, due to the rebound of the tension spring, the movable block will be pulled to move. The control block below the movable block will drive the adjustment layer to rotate through the ring gear of the adjustment layer. At the same time, due to the setting of the push block, the push block will push out the elastic plate, causing the elastic plate to deform and lose its restriction on the limiting post. The limiting block and the limiting rack will then fit together.

[0026] By adopting the above technical solution, the complete working cycle of the adjustment mechanism during one rotation of the grid layer is clearly illustrated. When the grid layer rotates, the paddle at its end first contacts the actuating paddle on the limit block and applies force, driving the movable block to move along the limit arc groove towards the unloading tooth. During this process, the inclined slope on the limit block contacts the limit tooth on the limit rack, and the sliding angled surface of the limit tooth interacts with the inclined slope of the limit block, pushing the limit block to compress the limit spring, causing the actuating paddle on the limit block to disengage from the paddle. Subsequently, under the rebound action of the limit spring, the end of the limit block engages with the right-angled surface of the limit tooth, realizing the position locking of the movable block. At the same time, as the control block below the movable block moves with the movable block, its inclined surface contacts the ring gear of the adjustment layer, the control block compresses the control spring, and smoothly passes over the meshing teeth on the ring gear. At this time, the tension spring is stretched and stores elastic potential energy. When the movable block moves to the unloading tooth, due to the longer length of the unloading tooth, the limiting block needs to compress the limiting spring by a greater stroke. This allows the limiting post on the side of the limiting block to fully enter the elastic plate on the side of the movable block. The elastic plate exerts a clamping force on the limiting post, restricting the extension of the limiting block, and the limiting block separates from the limiting rack. At this time, the tension spring releases its elastic potential energy, pulling the movable block to quickly return to its original position. Under the action of the control spring, the control block extends and engages with the tooth groove of the ring gear, driving the adjusting layer to rotate synchronously, thereby adjusting the amount of adhesive dispensed. When the movable block returns to its initial position, the push block on the side of the support block contacts and deforms the elastic plate. The elastic plate loses its restriction on the limiting post, the limiting post disengages, and the limiting block extends upward under the action of the limiting spring, re-engaging with the limiting tooth on the limiting rack, completing the entire adjustment cycle. This complete action process transforms the continuous rotation of the mesh layer into the intermittent precise rotation of the adjusting layer, thereby achieving periodic and precise adjustment of the amount of adhesive dispensed, ensuring the uniformity and stability of the adhesive application process for rubber products.

[0027] The beneficial effects of this invention are as follows: Through a cleverly designed adjustment mechanism, this invention achieves precise and automated adjustment of the glue dispensing amount during the glue application process for rubber products. Its core lies in transforming the continuous rotation of the mesh layer into the intermittent, precise rotation of the adjustment layer. Through the synergistic action of the limiting and controlling components, the overlapping area of ​​the first and second glue inlets is precisely controlled, thereby effectively adjusting the glue dispensing speed. The cooperation between the limiting block and the limiting rack ensures the stable locking and reliable release of the movable block position, while the interaction between the control block and the ring gear efficiently transforms the resetting motion of the movable block into the rotational motion of the adjustment layer. Simultaneously, the rational setting of friction between components, the elastic drive of the tension spring, and the resetting effect of the push block on the elastic sheet jointly ensure the stability, rapid response, and accurate operation of the entire device. This structural design not only improves the uniformity of glue application and product quality, and reduces glue waste, but also enhances the automation level and continuous working capability of the device, reduces the need for manual intervention, extends the service life of the equipment, and provides a strong guarantee for the large-scale, high-quality production of rubber products. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of the present invention.

[0030] Figure 2 This is a schematic diagram of the adhesive roller part of the present invention.

[0031] Figure 3 This is a schematic diagram of the adhesive roller structure of the present invention.

[0032] Figure 4 This is a schematic diagram of the exploded structure of the glue roller in this invention.

[0033] Figure 5 This is a schematic diagram of the exploded structure of the support plate in this invention.

[0034] Figure 6 This is a partial schematic diagram of the adjustment mechanism on the support plate of the present invention.

[0035] Figure 7 This is a schematic diagram of the adjustment mechanism structure in this invention.

[0036] Figure 8 This is an exploded structural diagram of the adjustment mechanism of the present invention.

[0037] Figure 9This is a schematic cross-sectional view of the adjustment mechanism of the present invention.

[0038] Figure 10 yes Figure 9 A schematic diagram of the partial structure at point A in the middle.

[0039] Figure 11 This is a partial cross-sectional structural schematic diagram of the present invention.

[0040] In the diagram, 1. Frame; 11. Sealed container; 12. Glue hose; 13. Support; 131. Rotating roller; 132. Drive motor; 14. Tank; 2. Glue brushing roller; 21. Glue layer; 22. Mesh layer; 221. Paddle; 23. Adjustment layer; 231. Second glue inlet; 232. Ring gear; 24. Glue filling layer; 241. First glue inlet; 242. Fixing rod; 25. Support plate; 3. Adjustment mechanism; 31. Movable block; 311. 32. Upper insertion port; 32. Limiting component; 321. Limiting block; 3211. Inclined slope; 3212. Actuating piece; 322. Limiting spring; 323. Limiting post; 324. Elastic sheet; 33. Control block; 331. Control spring; 332. Inclined surface; 34. Limiting rack; 341. Limiting tooth; 3411. Angled surface; 3412. Right angled surface; 342. Unloading tooth; 35. Limiting arc groove; 351. Tension spring; 36. Push block. Detailed Implementation

[0041] The technical solution of the present invention will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0042] Examples, such as Figure 1-11As shown, this invention is mainly used in the structure of the coating roller of an intelligent roller coating machine, but is not limited to this device. The process of glue entering the coating roller from the glue tank is a precise glue supply process driven by air pressure. When the equipment is ready to add glue, the sealed glue tank will keep the air inlet valve open and the glue outlet valve open. An external air source (such as a matching air compressor) inputs a stable air pressure of 0.2-0.4MPa into the tank. This air pressure will act evenly on the surface of the glue in the glue tank. With the help of pressure difference, the glue is forced from the glue outlet at the bottom of the tank into the connecting pipeline, avoiding the problem of viscous glue not flowing smoothly due to its own weight. At the same time, the sealed tank 11 can also prevent the glue from curing or deteriorating after contact with air. Next is the glue pipeline guiding and pre-storage stage. The glue pushed by air pressure will be transported along the glue tube 12 to the glue layer 24 inside the brush roller 2. A trough 14 is provided below the brush roller 2, and excess glue can be caught by the trough 14. Finally, there is the glue coating and even glue application stage of the coating roller. Initially, due to the large amount of glue in the glue-applying roller 2, only a small glue-applying nozzle is needed to obtain a sufficient amount of glue. The force of the glue being squeezed outwards is also relatively strong, resulting in a fast glue-applying speed. The glue flows out from the overlap of the first glue-applying nozzle 241 and the second glue-applying nozzle 231, forming a glue-applying layer 21. A thin layer of glue adheres to the fine texture of the glue-applying layer 21. When the equipment starts, the drive motor 132 drives the rotating roller 131 to rotate. As the rotating roller 131 moves the rubber product forward, it also drives the glue-applying roller 2 below to rotate, evenly transferring the glue film to the workpiece surface, completing the glue application process. Throughout the process, the air pressure, roller speed, and scraper blade spacing can all be adjusted via the equipment panel to adapt to different glue viscosities and workpiece thicknesses.

[0043] A rubber product gluing device includes a frame 1, on which a gluing support 13 is mounted. A rotating roller 131 and a gluing roller 2 are arranged in parallel on the support 13. The gluing roller 2 includes, from the outside to the inside, a glue-penetrating layer 21, a mesh layer 22, an adjusting layer 23, and a glue-filling layer 24. The glue-penetrating layer 21 is fixedly disposed on the outside of the mesh layer 22. The two ends of the glue-filling layer 24 are fixedly connected to the support 13. The adjusting layer 23 is sleeved on the glue-filling layer 24. A plurality of first glue-penetrating ports 241 are evenly and parallelly opened on the glue-filling layer 24. A plurality of second glue-penetrating ports 231 are correspondingly opened on the adjusting layer 23. An adjusting mechanism 3 is provided between the adjusting layer 23 and the glue-filling layer 24. The adjusting mechanism 3 controls the overlapping area of ​​the first glue-penetrating ports 241 and the second glue-penetrating ports 231 to adjust the glue dispensing speed.

[0044] This invention enables precise control of the glue dispensing speed. When the glue dispensing speed needs to be adjusted, the adjusting mechanism 3 controls the rotation of the adjusting layer 23 relative to the glue-filling layer 24, changing the overlapping area of ​​the first glue inlet 241 and the second glue inlet 231. When the overlapping area increases, the channel through which the glue flows from the glue-filling layer 24 through the first glue inlet 241 and the second glue inlet 231 widens, increasing the glue dispensing volume per unit time and accelerating the glue dispensing speed; conversely, when the overlapping area decreases, the glue dispensing channel narrows, and the glue dispensing speed slows down. This structural design allows operators to conveniently adjust the glue dispensing speed according to the specific glue application requirements of different rubber products, such as the material's glue absorption capacity and the required glue layer thickness, avoiding problems such as glue waste and excessively thick glue layers due to excessively fast dispensing, or excessively thin glue layers due to excessively slow dispensing, thus ensuring the stability of the glue application quality. Meanwhile, the glue roller 2 is provided with a glue penetration layer 21, a mesh layer 22, an adjustment layer 23 and a glue filling layer 24 from the outside to the inside. The glue filling layer 24 serves as a storage and conveying channel for the glue. The adjustment layer 23 adjusts the amount of glue dispensed by cooperating with the glue filling layer 24. The mesh layer 22 can play a certain role in the uniform distribution of the glue that has seeped out. Finally, the glue penetration layer 21 evenly coats the surface of the rubber product, further improving the uniformity of the glue application and improving the appearance quality and bonding performance of the product.

[0045] The adhesive layer 24 is provided with fixing rods 242 at both ends, and the two ends of the fixing rods 242 are fixedly connected to the frame. The adjustment mechanism 3 includes a support plate 25 coaxially fixedly connected to the fixing rods 242, and the adjustment mechanism 3 is disposed on the support plate 25.

[0046] By setting fixing rods 242 at both ends of the glue layer 24 and fixing both ends of the fixing rods 242 to the frame, a stable support can be provided for the glue layer 24, ensuring that it will not shake or shift during the glue application process, thereby ensuring the stability of the overall structure of the glue roller 2. At the same time, the adjustment mechanism 3 is connected to the support plate 25 on the fixing rod 242, making the installation position of the adjustment mechanism 3 more precise and stable. The support plate 25 and the fixing rod 242 are coaxially fixed, which ensures that the adjustment mechanism 3 always moves around the axis of the glue layer 24 during operation, thereby precisely controlling the rotation angle of the adjustment layer 23 relative to the glue layer 24, and thus accurately adjusting the overlapping area of ​​the first glue outlet 241 and the second glue outlet 231, achieving precise control of the glue dispensing speed. This structural design not only improves the stability and reliability of the adjustment mechanism 3, but also provides a solid foundation for its subsequent actions.

[0047] The end of the adjustment layer 23 is coaxially provided with a ring gear 232, and the end of the mesh layer 22 is provided with a lever 221. The lever 221 controls the adjustment mechanism 3 to drive the ring gear 232 to rotate the adjustment layer 23, thereby changing the overlapping area of ​​the first glue inlet 241 and the second glue inlet 231. The central angles corresponding to the ring gear 232, the first glue inlet 241, and the second glue inlet 231 are equal.

[0048] By coaxially arranging a ring gear 232 at the end of the adjusting layer 23 and a paddle 221 at the end of the mesh layer 22, the rotation of the mesh layer 22 is cleverly used to drive the adjusting mechanism 3, thereby causing the adjusting layer 23 to rotate to change the glue dispensing speed. When the mesh layer 22 rotates with the conveying of the rubber product, the paddle 221 at its end will rotate synchronously. During the rotation, the paddle 221 interacts with the adjusting mechanism 3, triggering the adjusting mechanism 3 to drive the ring gear 232 to rotate. The ring gear 232 then drives the adjusting layer 23, which is coaxially fixed with it, to rotate relative to the glue-filling layer 24.

[0049] Because the central angles corresponding to the ring gear 232, the first glue inlet 241, and the second glue inlet 231 are equal, this design ensures that when the adjusting layer 23 rotates by a specific angle, the first glue inlet 241 and the second glue inlet 231 can achieve precise overlap or misalignment. For example, when the ring gear 232 rotates by a corresponding central angle, the second glue inlet 231 on the adjusting layer 23 rotates by the corresponding central angle and intersects with the first glue inlet 241 on the glue layer 24, changing the overlapping area of ​​the first glue inlet 241 and the second glue inlet 231. When the overlapping area increases, the channel through which the glue flows from the glue layer 24 through the first glue outlet 241 and the second glue outlet 231 widens, increasing the glue output per unit time and accelerating the glue output speed. Conversely, when the overlapping area decreases, the glue output channel narrows, and the glue output speed slows down. This precise matching of angles makes the glue output adjustment more accurate and controllable, avoiding problems such as uneven glue output or adjustment failure caused by angle deviation, and greatly improving the adaptability and adjustment accuracy of the device under different glue application requirements.

[0050] The adjustment mechanism 3 includes a movable block 31, a limiting member 32, a control member, and a limiting tooth 341 strip 34. The movable block 31 is slidably disposed on the support plate 25. The limiting member 32 is movably disposed above the movable block 31. The control member is movably disposed below the movable block 31. The limiting tooth 341 strip 34 is arc-shaped disposed on the support plate 25. The paddle 221 moves the limiting member 32 to engage with the limiting tooth 341 strip 34.

[0051] The limiting sliding design of the movable block 31 on the support plate 25 provides a stable motion trajectory for the entire adjustment mechanism 3, ensuring that it can move precisely along the preset path. The limiting member 32 is movably positioned above the movable block 31, mainly used to cooperate with the arc-shaped limiting teeth 341 to achieve position locking, while the control member is located below the movable block 31, playing a key driving and control role in the rotation of the adjustment layer 23 during the adjustment process. When the mesh layer 22 rotates, the paddle 221 at its end rotates accordingly. The paddle 221 contacts the limiting member 32 and applies force, thereby causing the limiting member 32 to engage or disengage from the limiting teeth 341. This process is the initial triggering link for the adjustment mechanism 3 to realize its adjustment function. Through the mechanical paddle 221, the rotation of the mesh layer 22 is converted into a control signal for the adjustment mechanism 3, laying the foundation for the subsequent rotation of the adjustment layer 23 and the adjustment of the glue dispensing amount.

[0052] The limiting component 32 includes a limiting block 321, a limiting spring 322, a limiting post 323, an elastic sheet 324, and a wave plate. The upper end of the movable block 31 is provided with an upper insertion port 311. The lower part of the limiting block 321 is vertically slidably inserted into the upper insertion port 311 of the movable block 31 via the limiting spring 322. The end of the limiting block 321 away from the movable block 31 is provided with an inclined slope 3211 and a toggle piece 3212. The limiting tooth... The 341 members include several evenly arranged limiting teeth 341 and unloading teeth 342 at the ends. The limiting posts 323 are all located on the sides of the limiting blocks 321, and the elastic plates 324 are located on the sides of the movable blocks 31. When the limiting slope of the end face of the limiting block 321 contacts the unloading teeth 342, the limiting block 321 gradually compresses the limiting spring 322, causing the limiting posts 323 to enter the elastic plates 324 and restricting the extension of the limiting block 321. The structural design of the limiting member 32 enables precise locking and releasing of the movable block 31's position. The upper insertion port 311 at the upper end of the movable block 31 provides installation space for the limiting block 321. The limiting block 321 is vertically slidably inserted into the upper insertion port 311 via the limiting spring 322, giving the limiting block 321 the ability to elastically extend and retract vertically. When the lever 221 actuates the lever 3212 on the limiting block 321, the limiting block 321 can extend or retract under the action of the limiting spring 322. The inclined slope 3211 of the end of the limiting block 321 away from the movable block 31 is designed to facilitate its interaction with the limiting teeth 341 on the limiting teeth 341. During the movement of the movable block 31, when the inclined slope 3211 contacts the sliding angle surface 3411 of the limiting teeth 341, relative sliding can occur and the limiting spring 322 can be compressed, allowing the limiting block 321 to smoothly pass over the limiting teeth 341. When the limiting block 321 moves to the appropriate position, under the rebound action of the limiting spring 322, the end of the limiting block 321 engages with the right angle surface 3412 of the limiting teeth 341, thereby locking the position of the movable block 31. A limiting post 323 is disposed on the side of the limiting block 321, and an elastic plate 324 is disposed on the side of the movable block 31. When the limiting slope of the end face of the limiting block 321 contacts the unloading tooth 342, due to the relatively long length of the unloading tooth 342, the limiting block 321 gradually compresses the limiting spring 322, causing the limiting post 323 to enter the elastic plate 324. The elastic plate 324 generates a clamping force on the limiting post 323, thereby restricting the extension of the limiting block 321. At this time, the limiting block 321 separates from the limiting tooth 341, preparing for the reset movement of the movable block 31. This structural design cleverly combines mechanical elasticity with the limiting engagement principle, ensuring the stability and positional accuracy of the movable block 31 when moving within the limiting arc groove 35, providing a reliable guarantee for the precise rotation of the adjusting layer 23.

[0053] The control component includes a control block 33 vertically and movably inserted below the movable block 31. The control block 33 and the movable block 31 are connected by a control spring 331. The end of the control block 33 furthest from the movable block 31 has an inclined surface 332. The structural design of the control component enables effective driving of the rotation of the adjusting layer 23. The control block 33 is vertically and movably inserted below the movable block 31, and the control spring 331 connects the control block 33 and the movable block 31, providing elastic support and reset capability for the control block 33. When the movable block 31 moves towards the unloading gear 342 within the limiting arc groove 35, the inclined surface 332 of the control block 33 furthest from the movable block 31 contacts the ring gear 232 at the end of the adjusting layer 23. The inclined surface 332 allows the control block 33 to extend or retract under the action of the control spring 331 as it moves with the movable block 31. This allows the control block 33 to smoothly pass over the ring gear 232 and the meshing teeth on the ring gear 232. The gradual stretching of the tension spring 351 prepares the movable block 31 to drive the ring gear 232 on the adjustment layer 23 to rotate. When the limit block 321 separates from the limit teeth 341, the rebound force of the tension spring 351 will pull the movable block 31 to quickly reset. At this time, the control block 33 extends under the action of the control spring 331 and tightly engages with the tooth groove of the ring gear 232. The reset movement of the movable block 31 is then transmitted to the ring gear 232 through the control block 33, causing the ring gear 232 and the adjustment layer 23, which is coaxially fixed with it, to rotate synchronously. The inclined surface 332 on the control block 33 allows the control block 33 to smoothly enter the tooth groove of the ring gear 232 during the initial reset of the movable block 31, by compressing the control spring 331 with the guiding action of the inclined surface 332, thus ensuring reliable power transmission. This structural design transforms the linear reset motion of the movable block 31 into the rotational motion of the adjusting layer 23, achieving precise control of the rotation angle of the adjusting layer 23. This, in turn, precisely adjusts the overlapping area of ​​the first glue inlet 241 and the second glue inlet 231, thereby regulating the glue dispensing speed. Simultaneously, the elasticity of the control spring 331 provides a certain buffer during the meshing contact and separation of the control block 33 with the ring gear 232, reducing mechanical wear and improving the service life and operational stability of the device.

[0054] The limiting tooth 341 is provided with a sliding inclined surface 3411 opposite to the inclined slope 3211 on the limiting block 321. The other side of the limiting tooth 341 is a right-angled surface 3412, and the length of the unloading tooth 342 is longer than the length of the limiting tooth 341. By adopting the above technical solution, the special structural design of the limiting tooth 341 further optimizes the cooperation effect between the limiting block 321 and the limiting tooth 341. The sliding inclined surface 3411 on the limiting tooth 341, which is opposite to the inclined slope 3211 of the limiting block 321, allows the inclined surfaces 332 of the limiting block 321 to smoothly fit together and slide relative to each other when the limiting block 321 moves with the movable block 31 and comes into contact with the limiting tooth 341. At this time, the limiting block 321 will be subjected to a component force along the direction of the sliding inclined surface 3411. This component force drives the limiting block 321 to compress the limiting spring 322 and retract downward, so that the limiting block 321 can smoothly pass the current limiting tooth 341 and avoid movement jamming. The other side of the limiting tooth 341 is set as a right angle surface 3412. When the limiting block 321 passes the limiting tooth 341, it extends upward under the rebound action of the limiting spring 322. The end face of the limiting block 321 will form a rigid engagement with the right angle surface 3412 of the limiting tooth 341. The right angle surface 3412 can effectively prevent the limiting block 321 from moving in the opposite direction, thereby locking the movable block 31 firmly in the current position and ensuring the positional accuracy of the movable block 31 during the adjustment process.

[0055] Furthermore, the unloading tooth 342 is longer than the limiting tooth 341. This design allows the limiting block 321 to compress the limiting spring 322 more when the inclined slope 3211 of the limiting block 321 contacts the unloading tooth 342. This results in the limiting post 323 on the side of the limiting block 321 being able to fully enter the elastic plate 324 on the side of the movable block 31. The elastic plate 324 provides stronger restraint on the limiting post 323, ensuring that the limiting block 321 can retract stably when interacting with the unloading tooth 342, no longer engaging with the limiting tooth 341. This creates conditions for the movable block 31 to quickly reset under the action of the tension spring 351, further improving the response speed and operational reliability of the adjusting mechanism 3.

[0056] The support plate 25 has a limiting arc-shaped groove 35. The movable block 31 is slidably engaged within the limiting arc-shaped groove 35. A tension spring 351 is provided on one side of the movable block 31 located within the limiting arc-shaped groove 35. One end of the tension spring 351 is fixedly connected to the inside of the limiting arc-shaped groove 35, and the other end is fixedly connected to one side of the movable block 31. A push block 36 is provided on the side of the support block near the tension spring 351. The limiting arc-shaped groove 35 on the support plate 25 provides a precise arc-shaped movement trajectory for the movable block 31. The movable block 31 is slidably engaged within the limiting arc-shaped groove 35, ensuring that it can only move stably along the preset arc-shaped path, avoiding deviation or shaking of the movable block 31 during movement, and providing guidance for the precise action of the adjustment mechanism 3. A tension spring 351, located on one side of the movable block 31 within the limiting arc groove 35, has one end fixedly connected to the inside of the limiting arc groove 35 and the other end fixedly connected to one side of the movable block 31. When the movable block 31 moves away from the tension spring 351 (i.e., in the direction of the unloading tooth 342) under the action of the lever 221, the tension spring 351 is stretched and stores elastic potential energy. When the limiting block 321 separates from the limiting tooth 341, the tension spring 351 releases the stored elastic potential energy, generating a strong rebound force to pull the movable block 31 back to its initial position quickly. This spring-reset design is not only simple in structure and quick in response, but also provides stable and continuous power for the reset movement of the movable block 31, ensuring that the movable block 31 can quickly return to its initial position and prepare for the next adjustment action.

[0057] Meanwhile, a push block 36 is provided on the side of the support block near the tension spring 351. Due to the setting of the push block 36, the push block 36 will push out the elastic plate 324, causing the elastic plate 324 to deform and lose its restriction on the limiting post 323. The limiting block 321 will fit with the limiting tooth 341 strip 34. At this time, the limiting block 321 will extend upward under the action of the limiting spring 322 and re-engage with the limiting tooth 341 on the limiting tooth 341 strip 34, completing the reset cycle of the entire adjustment mechanism 3. The push block 36 cleverly solves the problem of the elastic plate 324 restricting the release of the limiting post 323. When the movable block 31 returns to its initial position, the push block 36 contacts and deforms the elastic plate 324, so the elastic plate 324 no longer exerts a clamping force on the limiting post 323. The limiting post 323 can then disengage from the elastic plate 324, and the limiting block 321 extends smoothly under the rebound action of the limiting spring 322 and engages with the limiting teeth 341. This ensures that the adjusting mechanism 3 can stably and efficiently perform the next dispensing volume adjustment action, further improving the automation level and continuous working capability of the entire device.

[0058] The friction between the adjusting layer 23 and the adhesive layer 24 is greater than the friction between the adjusting layer 23 and the mesh layer 22. This greater friction between the adjusting layer 23 and the adhesive layer 24 is crucial for the operation of the device. When the mesh layer 22 rotates with the conveying of the rubber product, the smaller friction between the adjusting layer 23 and the mesh layer 22 allows the mesh layer 22 to rotate smoothly relative to the adjusting layer 23. This avoids the situation where the adjusting layer 23 is directly driven to rotate by the mesh layer 22 due to excessive friction, thus ensuring the positional stability of the adjusting layer 23 and laying the foundation for precise control of its rotation via the adjusting mechanism 3. Simultaneously, the greater friction between the adjusting layer 23 and the adhesive layer 24 prevents the adhesive layer 24 from shifting or rotating due to the rotation of the adjusting layer 23, ensuring the fixed position of the first adhesive inlet 241. In this way, the rotation of the adjusting layer 23 can simply change the overlapping area of ​​the second glue outlet 231 and the first glue outlet 241, achieving precise adjustment of the glue dispensing amount, without causing the glue outlet position to become disordered due to the linkage rotation of the glue layer 24, further improving the accuracy and reliability of glue dispensing adjustment. This reasonable setting of friction force cleverly coordinates the movement relationship between the components, ensuring the stable and orderly operation of the entire glue application device during the adjustment process.

[0059] When the mesh layer 22 rotates one revolution, the lever 221 on the mesh layer 22 moves the lever 3212 on the limiting block 321. The lever 3212 drives the entire movable block 31 to move along the limiting arc groove 35. When the inclined slope 3211 on the limiting block 321 contacts the limiting tooth 341, the limiting tooth 341 pushes the sliding block to compress the limiting spring 322, causing the lever 3212 on the limiting block 321 to disengage from the lever 221. Then, the end of the limiting block 321 engages with the limiting tooth 341. At the same time, the inclined surface 332 on the lower control block 33 causes the lower control block 33 to compress the control spring 331. When the limiting block 321... When the mesh layer 22 moves to the unloading tooth 342, because the unloading tooth 342 is longer than the limiting tooth 341, the limiting block 321 compresses the limiting spring 322 more. The limiting post 323 on the limiting block 321 is hooked by the elastic plate 324. At this time, due to the rebound of the tension spring 351, the movable block 31 will be pulled to move. The control block 33 below the movable block 31 will then drive the adjusting layer 23 to rotate through the ring gear 232 of the adjusting layer 23. At the same time, due to the setting of the push block 36, the push block 36 will push out the elastic plate 324, causing the elastic plate 324 to deform and lose its restriction on the limiting post 323. The limiting block 321 and the limiting tooth 341 strip 34 are then in contact. This clearly illustrates the complete working cycle of the adjusting mechanism 3 during one rotation of the mesh layer 22. When the mesh layer 22 rotates, the lever 221 at its end first contacts the actuating lever 3212 on the limiting block 321 and applies force, driving the movable block 31 to move along the limiting arc groove 35 towards the unloading tooth 342. During this process, the inclined slope 3211 on the limiting block 321 contacts the limiting tooth 341 on the limiting tooth 341 strip 34. The sliding angled surface 3411 of the limiting tooth 341 interacts with the inclined slope 3211 of the limiting block 321, pushing the limiting block 321 to compress the limiting spring 322, causing the actuating lever 3212 on the limiting block 321 to disengage from the lever 221. Subsequently, under the rebound action of the limiting spring 322, the end of the limiting block 321 engages with the right angled surface 3412 of the limiting tooth 341, thereby locking the position of the movable block 31. Meanwhile, as the control block 33 below the movable block 31 moves with the movable block 31, its inclined surface 332 contacts the ring gear 232 of the adjusting layer 23. The control block 33 compresses the control spring 331 and smoothly passes over the teeth on the ring gear 232. At this time, the tension spring 351 is stretched and stores elastic potential energy. When the movable block 31 moves to the unloading tooth 342, because the unloading tooth 342 is longer, the limiting block 321 needs to compress the limiting spring 322 for a greater stroke, so that the limiting post 323 on the side of the limiting block 321 completely enters the elastic plate 324 on the side of the movable block 31. The elastic plate 324 generates a clamping force on the limiting post 323, restricting the extension of the limiting block 321, and the limiting block 321 separates from the limiting tooth 341 strip 34.At this time, the tension spring 351 releases its elastic potential energy, pulling the movable block 31 to quickly reset. The control block 33 extends under the action of the control spring 331 and engages with the tooth groove of the ring gear 232, driving the adjusting layer 23 to rotate synchronously, thus adjusting the amount of adhesive dispensed. When the movable block 31 resets to its initial position, the push block 36 on the side of the support block contacts and deforms the elastic sheet 324. The elastic sheet 324 loses its restriction on the limiting post 323, causing the limiting post 323 to disengage. The limiting block 321 extends upward under the action of the limiting spring 322, re-engaging with the limiting teeth 341 on the limiting teeth 341, completing the entire adjustment cycle. This complete action process transforms the continuous rotation of the mesh layer 22 into the intermittent, precise rotation of the adjusting layer 23, thereby achieving periodic and precise adjustment of the adhesive dispensed, ensuring the uniformity and stability of the adhesive application process for rubber products.

[0060] This invention achieves precise and automated adjustment of the amount of adhesive dispensed during the application of adhesive to rubber products through a cleverly designed adjustment mechanism 3. Its core lies in transforming the continuous rotation of the mesh layer 22 into the intermittent, precise rotation of the adjustment layer 23. Through the coordinated action of the limiting component 32 and the control component, the overlapping area of ​​the first adhesive inlet 241 and the second adhesive inlet 231 is precisely controlled, thereby effectively adjusting the adhesive dispensing speed. The cooperation between the limiting block 321 and the limiting teeth 341 ensures the stable locking and reliable release of the movable block 31. The interaction between the control block 33 and the ring gear 232 efficiently transforms the resetting motion of the movable block 31 into the rotational motion of the adjustment layer 23. Simultaneously, the reasonable setting of friction between components, the elastic drive of the tension spring 351, and the resetting effect of the push block 36 on the elastic sheet 324 collectively ensure the stability, rapid response, and accurate operation of the entire device. This structural design not only improves the uniformity of glue application and product quality, and reduces glue waste, but also enhances the automation level and continuous working capability of the equipment, reduces the need for manual intervention, and extends the service life of the equipment, providing a strong guarantee for the large-scale, high-quality production of rubber products.

Claims

1. A glue-applying device for rubber products, characterized in that: The system includes a frame (1), on which a glue-applying bracket (13) is mounted. A rotating roller (131) and a glue-applying roller (2) are arranged parallel to each other on the bracket (13). The glue-applying roller (2) comprises, from the outside to the inside, a glue-penetrating layer (21), a mesh layer (22), an adjusting layer (23), and a glue-filling layer (24). The glue-penetrating layer (21) is fixedly mounted on the outside of the mesh layer (22), and the glue-filling layer (24) is fixedly connected at both ends to the bracket (13). An adjustment layer (23) is fitted over the glue layer (24). The glue layer (24) has a plurality of first glue inlets (241) evenly and parallelly opened. The adjustment layer (23) has a plurality of second glue inlets (231) correspondingly opened. An adjustment mechanism (3) is provided between the adjustment layer (23) and the glue layer (24). The adjustment mechanism (3) controls the overlapping area of ​​the first glue inlets (241) and the second glue inlets (231) to adjust the glue dispensing speed.

2. The adhesive application device for rubber products according to claim 1, characterized in that: The adhesive layer (24) is provided with fixing rods (242) at both ends. The two ends of the fixing rods (242) are fixedly connected to the bracket (13). The adjustment mechanism (3) includes a support plate (25) coaxially fixedly connected to the fixing rods (242). The adjustment mechanism (3) is provided on the support plate (25).

3. The adhesive application device for rubber products according to claim 2, characterized in that: The end of the adjustment layer (23) is coaxially provided with a ring gear (232), and the end of the mesh layer (22) is provided with a lever (221). The lever (221) controls the adjustment mechanism (3) to drive the ring gear (232) to rotate the adjustment layer (23), thereby changing the overlapping area of ​​the first glue inlet (241) and the second glue inlet (231). The central angles corresponding to the ring gear (232), the first glue inlet (241), and the second glue inlet (231) are equal.

4. The adhesive application device for rubber products according to claim 3, characterized in that: The adjustment mechanism (3) includes a movable block (31), a limiting member (32), a control member, and a limiting tooth (341) strip (34). The movable block (31) is slidably disposed on the support plate (25). The limiting member (32) is movably disposed above the movable block (31). The control member is movably disposed below the movable block (31). The limiting tooth (341) strip (34) is arc-shaped disposed on the support plate (25). The paddle (221) moves the limiting member (32) to engage with the limiting tooth (341) strip (34).

5. The adhesive application device for rubber products according to claim 4, characterized in that: The limiting component (32) includes a limiting block (321), a limiting spring (322), a limiting post (323), an elastic sheet (324), and a wave plate. The upper end of the movable block (31) is provided with an upper insertion port (311). The lower part of the limiting block (321) is vertically slidably inserted into the upper insertion port (311) of the movable block (31) through the limiting spring (322). The end of the limiting block (321) away from the movable block (31) is provided with an inclined slope (3211) and a toggle plate (3212). The limiting tooth (341) The (34) includes several evenly arranged limiting teeth (341) and unloading teeth (342) at the end. The limiting posts (323) are all arranged on the side of the limiting block (321). The elastic sheet (324) is arranged on the side of the movable block (31). When the limiting slope of the end face of the limiting block (321) contacts the unloading teeth (342), the limiting block (321) gradually compresses the limiting spring (322) so that the limiting post (323) enters the elastic sheet (324) to restrict the extension of the limiting block (321).

6. The adhesive application device for rubber products according to claim 4, characterized in that: The control component includes a control block (33) that is vertically and movably inserted below the movable block (31). The control block (33) and the movable block (31) are connected by a control spring (331). An inclined surface (332) is provided at one end of the control block (33) away from the movable block (31).

7. The adhesive application device for rubber products according to claim 5, characterized in that: The limiting tooth (341) is provided with a sliding oblique surface (3411) opposite to the inclined slope (3211) on the limiting block (321). The other side of the limiting tooth (341) is a right angle surface (3412). The length of the unloading tooth (342) is longer than the length of the limiting tooth (341).

8. The adhesive application device for rubber products according to claim 4, characterized in that: The support plate (25) has a limiting arc groove (35), and the movable block (31) is slidably engaged in the limiting arc groove (35). A tension spring (351) is provided on one side of the movable block (31) located in the limiting arc groove (35). One end of the tension spring (351) is fixedly connected to the inside of the limiting arc groove (35), and the other end is fixedly connected to one side of the movable block (31). A push block (36) is provided on the side of the support block near the tension spring (351).

9. The adhesive application device for rubber products according to claim 1, characterized in that: The friction between the adjustment layer (23) and the adhesive layer (24) is greater than the friction between the adjustment layer (23) and the mesh layer (22).

10. A rubber product gluing device according to claim 8, characterized in that: When the mesh layer (22) rotates once, the paddle (221) on the mesh layer (22) moves the paddle (3212) on the limiting block (321). The paddle (3212) will drive the entire movable block (31) to move along the limiting arc groove (35). When the inclined slope (3211) on the limiting block (321) contacts the limiting tooth (341), the limiting tooth (341) will push the sliding block to compress the limiting spring (322), so that the paddle (3212) on the limiting block (321) disengages from the paddle (221). Then the end of the limiting block (321) engages with the limiting tooth (341). At the same time, the inclined surface (332) on the lower control block (33) will cause the lower control block (33) to compress the control spring (331). When the limiting block (3211) is engaged with the limiting tooth (341), the sliding block (3212) will engage with the limiting spring (341). 1) When the movement reaches the unloading tooth (342), since the unloading tooth (342) is longer than the limiting tooth (341), the limiting block (321) compresses the limiting spring (322) more. The limiting post (323) on the limiting block (321) is hooked by the elastic plate (324). At this time, due to the rebound of the tension spring (351), the movable block (31) will be pulled to move. The control block (33) below the movable block (31) will drive the adjustment layer (23) to rotate through the ring gear (232) of the adjustment layer (23). At the same time, due to the setting of the push block (36), the push block (36) will push out the elastic plate (324), causing the elastic plate (324) to deform and lose its restriction on the limiting post (323). The limiting block (321) and the limiting tooth (341) strip (34) fit together.

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