A board gluing thickness adjusting mechanism

Abstract

The utility model discloses a kind of board gluing thickness adjusting mechanism, including two groups of support base plate of relative arrangement, two groups of support base plate between fixedly arranged glue transition roller assembly, glue transition roller assembly side movably arranged with glue extrusion roller assembly, glue extrusion roller assembly side is provided with the first fine adjustment assembly that gives its horizontal movement adjustment, glue transition roller assembly and glue extrusion roller assembly cooperation place upper is provided with support arm, support arm is evenly distributed and arranged with several groups of glue outlet pipe, the other side movably arranged with glue roller assembly of glue transition roller assembly, glue roller assembly side is provided with the second fine adjustment assembly that gives its horizontal movement adjustment, glue roller assembly upper is provided with the height adjusting assembly that gives its vertical movement adjustment, wherein, two groups of support base plate inner wall between still be provided with and glue roller assembly cooperation even component;The utility model realizes gluing thickness accurate control by multiple component multidimensional adjustment, guarantee board gluing quality.

Description

Technical Field

[0001] This utility model belongs to the technical field of sheet production equipment, and in particular relates to a sheet adhesive thickness adjustment mechanism. Background Technology

[0002] In the field of board processing, the gluing process is a crucial step in ensuring the quality of subsequent processing such as board splicing and lamination. Its core requirements are precise control of glue thickness, efficient glue utilization, and uniform glue coverage on the board surface. Currently, most mainstream board gluing equipment on the market uses a single adjustment component to control the position of the gluing roller, which can only achieve coarse adjustment in one dimension (such as horizontal or vertical). This makes it difficult to flexibly adapt to the gluing needs of boards of different thicknesses and materials, easily leading to problems such as excessive glue application resulting in glue waste, or insufficient application affecting bonding strength.

[0003] Meanwhile, existing equipment often uses single-point or non-uniform glue supply, leading to glue accumulation or gaps on the roller surface. Furthermore, the lack of effective overflow prevention mechanisms allows glue to easily spill from both ends of the roller joint, wasting raw materials and contaminating the equipment sidewalls and conveyed boards, increasing subsequent cleaning and maintenance costs. In addition, while some equipment incorporates a spreading structure, the position of the spreading components is fixed and cannot be synchronously adapted to adjustments in the glue roller, resulting in unstable spreading effects. This is especially problematic when processing boards of different specifications, requiring frequent machine stops for adjustments and severely impacting continuous production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a board gluing thickness adjustment mechanism to solve the problems of glue accumulation / gap on the roller body caused by single-point or non-uniform glue supply in existing board gluing equipment, and the inability of fixed smearing components to adapt to the adjustment of the gluing roller, thereby affecting the gluing quality and continuous production efficiency.

[0005] The present invention achieves the above objectives through the following technical solution: a glue thickness adjustment mechanism for sheet material, comprising a glue thickness adjustment mechanism disposed on a sheet material conveying device;

[0006] The adhesive thickness adjustment mechanism includes two sets of supporting base plates arranged opposite to each other. An adhesive transition roller assembly is fixedly arranged between the two sets of supporting base plates. An adhesive extrusion roller assembly is movably arranged on one side of the adhesive transition roller assembly. A first fine-tuning component for horizontal movement adjustment is arranged on one side of the adhesive extrusion roller assembly. Anti-overflow plates are arranged at both ends of the mating point between the adhesive transition roller assembly and the adhesive extrusion roller assembly. A support arm is arranged above the mating point between the adhesive transition roller assembly and the adhesive extrusion roller assembly. Several sets of adhesive outlet tubes are evenly distributed on the support arm. An adhesive roller assembly is movably arranged on the other side of the adhesive transition roller assembly. A second fine-tuning component for horizontal movement adjustment is arranged on one side of the adhesive roller assembly. The first fine-tuning component and the second fine-tuning component have the same structure. A height adjustment component for vertical movement adjustment is arranged above the adhesive roller assembly. A spreading component that cooperates with the adhesive roller assembly is also arranged between the inner walls of the two sets of supporting base plates.

[0007] Furthermore, the glue transition roller assembly includes two sets of first bearing seats arranged opposite each other. The inner ring of the bearings of the two sets of first bearing seats is provided with a glue transition roller shaft. One end of the glue transition roller shaft is provided with a right-angle motor that drives its rotation. The right-angle motor is fixed to the outer wall of one of the supporting base plates through a motor mounting seat.

[0008] Furthermore, the glue-to-extrusion roller assembly includes two sets of second bearing seats arranged opposite to each other, the inner rings of the bearings of the two sets of second bearing seats are provided with glue-to-extrusion roller shafts, and the two sets of support base plates are provided with first slots to provide the glue-to-extrusion roller shafts with room to move.

[0009] Furthermore, the first fine-tuning component includes two sets of angle gearboxes arranged opposite to each other. The two sets of angle gearboxes cooperate with each other through a first linkage rod. A first hand crank is provided at the input end of one of the angle gearboxes, and a lead screw is provided at the output end of the angle gearbox. The lead screw is provided with a ball nut seat that cooperates with it, and the ball nut seat is fixed to the side wall of the second bearing seat.

[0010] Furthermore, the glue-applying roller assembly includes two sets of glue-applying roller base plates arranged opposite to each other. Guide members are provided on both sides of the glue-applying roller base plates to achieve vertical plane guidance. Each glue-applying roller base plate is provided with a third bearing seat. The inner ring of the bearings of the two sets of third bearing seats is provided with a glue-applying roller shaft. The two sets of support base plates are provided with second slots to provide the glue-applying roller shaft with room for movement. The second fine-tuning component is disposed between the two sets of glue-applying roller base plates. The glue-applying roller base plates are provided with third slots to provide the glue-applying roller shaft with further room for movement.

[0011] Furthermore, the height adjustment component is disposed opposite to the guide cylinders on the two sets of support base plates. A lifting rod is sleeved inside the guide cylinder. The end of the lifting rod is fixed to the upper rubber roller base plate. A second linkage rod is disposed between the two sets of guide cylinders. The second linkage rod and the lifting rod are engaged by a toothed meshing joint. A second hand crank is disposed at the end of the second linkage rod.

[0012] Furthermore, the smoothing assembly includes a fourth bearing seat fixedly disposed on the inner wall of the two sets of supporting base plates. The inner ring of the bearings of the two sets of fourth bearing seats is rotatably provided with a swing rod. A plurality of extension parts are evenly distributed on the swing rod. A smoothing plate is disposed at the end of the plurality of extension parts. A cylinder fixing component is disposed on the inner wall of the supporting base plate. A swing cylinder is disposed on the cylinder fixing component. A swing element is rotatably disposed on the telescopic rod of the swing cylinder. The swing element is fixed on the swing rod.

[0013] Beneficial effects: This utility model has a reasonable design, simple and stable structure, and strong practicality, and has the following beneficial effects:

[0014] 1. Multi-dimensional precise adjustment and strong adaptability: The first and second fine-tuning components respectively realize the horizontal fine-tuning of the glue on the extrusion roller assembly and the glue application roller assembly, so that the two are adjusted to the appropriate distance with the glue transition roller assembly. Then, the height adjustment component is used to vertically adjust the glue application roller assembly so that it contacts the board surface, ultimately achieving precise control of the glue dispensing amount and the uniformity of the coating.

[0015] 2. Combining anti-overflow and uniform glue supply to reduce waste: Multiple sets of glue outlet tubes evenly distributed on the support arm can uniformly supply glue to the joint between the glue transition roller and the glue extrusion roller, avoiding glue accumulation or gaps. The anti-overflow plates at both ends of the joint can effectively block glue overflow, reducing raw material waste and preventing glue from contaminating the side walls and plates of the equipment, thus reducing subsequent cleaning and maintenance costs.

[0016] 3. Dynamically adaptable spreading effect and high glue application quality: The spreading component drives the spreading plate to rotate through the swing cylinder. The spreading angle and distance can be dynamically adjusted according to the adjustment position of the glue roller component to ensure that the spreading plate is always precisely matched with the surface of the glue roller shaft. Then, the treated glue roller shaft evenly transfers the glue on its surface to the board. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the present invention;

[0018] Figure 2 This is an enlarged structural schematic diagram of part A of this utility model;

[0019] Figure 3 This is an enlarged structural schematic diagram of part B of this utility model;

[0020] Figure 4 This is an enlarged structural diagram of part C of this utility model.

[0021] In the diagram: 1-Support base plate, 2-Glue transition roller assembly, 3-Glue extrusion roller assembly, 4-First fine-tuning assembly, 5-Anti-overflow plate, 6-Support arm, 7-Glue outlet pipe, 8-Glue roller assembly, 9-Second fine-tuning assembly, 10-Height adjustment assembly, 11-Spreading assembly;

[0022] 201-First bearing seat, 202-Glue transition roller shaft, 203-Right angle motor, 301-Second bearing seat, 302-Glue extrusion roller shaft, 401-Angle gearbox, 402-First linkage rod, 403-First hand crank, 404-Screw, 405-Ball nut seat, 801-Glue roller base plate, 802-Guide component, 803-Third bearing seat, 804-Glue roller shaft, 1001-Guide cylinder, 1002-Lifting rod, 1003-Second linkage rod, 1004-Second hand crank, 1101-Fourth bearing seat, 1102-Swing rod, 1103-Extension component, 1104-Spreading plate, 1105-Cylinder fixing component, 1106-Swing cylinder, 1107-Swing component. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1:

[0025] Combination Figure 1-4 The illustrated adhesive thickness adjustment mechanism for boards aims to achieve precise control and uniform application of adhesive thickness during board processing. It is assembled at the working station of the board conveying device and completes continuous adhesive application through synchronous cooperation with the conveying device. Specifically, it includes an adhesive thickness adjustment mechanism set on the board conveying device.

[0026] The glue thickness adjustment mechanism is based on a frame consisting of two sets of relatively parallel support base plates 1. These two sets of support base plates 1 are symmetrically distributed on both sides of the sheet material conveying path, providing stable support for other components of the adjustment mechanism. At the center between the two sets of support base plates 1, a glue transition roller assembly 2 is fixedly installed to receive and transfer the glue. On the side of the glue transition roller assembly 2 facing the glue supply side, a glue extrusion roller assembly 3 is movably installed to work with it to extrude and evenly distribute the glue. The glue extrusion roller assembly 3 and the glue transition roller assembly 2... The two rollers are arranged in parallel, forming a gap between them for glue to pass through. The initial glue supply can be controlled by adjusting the gap size. To precisely adjust this gap, a first fine-tuning component 4 is provided on the side of the glue extrusion roller assembly 3 away from the glue transition roller assembly 2, allowing for horizontal adjustment. The output end of the first fine-tuning component 4 is fixedly connected to the mounting structure of the glue extrusion roller assembly 3. Driven by the first fine-tuning component 4, the glue extrusion roller assembly 3 can be moved horizontally closer to or further away from the glue transition roller assembly 2, thereby achieving fine adjustment of the gap between the two. Considering that glue is prone to slippage from the rollers during the extrusion process... The glue overflows from both ends. At the joint between the glue transition roller assembly 2 and the glue extrusion roller assembly 3, anti-overflow plates 5 are fixedly installed at both ends. The anti-overflow plates 5 are fixed to the inner wall of the mounting base plate 1 by support rods. Simultaneously, directly above the joint between the glue transition roller assembly 2 and the glue extrusion roller assembly 3, a horizontally arranged support arm 6 is erected. Both ends of the support arm 6 are fixed to the top of the two sets of support base plates 1, and several sets of glue outlet pipes 7 are evenly distributed along the length of the support arm 6. The glue outlet of each glue outlet pipe 7 faces the joint gap between the two sets of rollers. On the other side of the glue transition roller assembly 2 away from the glue extrusion roller assembly 3, the [unclear text - possibly a continuation of the previous sentence]... The system includes a glue-applying roller assembly 8 for directly applying glue to the surface of the board. The glue-applying roller assembly 8 is parallel to the glue transfer roller assembly 2, and the bottom of the glue-applying roller assembly 8 corresponds to the board conveying surface on the board conveying device. When the board moves under the glue-applying roller assembly 8 with the conveying device, the glue-applying roller assembly 8 can evenly apply the glue transferred by the glue transfer roller assembly 2 to the board surface. To adjust the clearance between the glue-applying roller assembly 8 and the glue transfer roller assembly 2 (and thus control the amount of glue transferred), a second fine-tuning group is provided on the side of the glue-applying roller assembly 8 away from the glue transfer roller assembly 2 to allow for horizontal adjustment. Component 9, and the first fine-tuning component 4 and the second fine-tuning component 9 have the same structure, can achieve consistent adjustment accuracy and operating logic. In addition, to adapt to boards of different thicknesses, a height adjustment component 10 is provided directly above the glue roller assembly 8 to allow for vertical movement adjustment. The fixed end of the height adjustment component 10 is installed on the support base plate 1, and the output end is connected to the mounting structure of the glue roller assembly 8. The height adjustment component 10 can drive the glue roller assembly 8 to rise and fall vertically, thereby adjusting the distance between the glue roller assembly 8 and the surface of the board, ensuring that boards of different thicknesses can obtain appropriate glue application pressure and thickness.To further improve the uniformity of adhesive application on the board surface, a smoothing component 11 is also provided between the inner walls of the two opposing support base plates 1, which cooperates with the glue application roller assembly 8. The smoothing component 11 can smooth the glue application roller assembly 8, eliminating possible glue streaks or local accumulation, and ensuring the final glue application quality.

[0027] In this embodiment, the glue transfer roller assembly 2 serves as the core transfer structure for glue transfer. Specifically, it includes two sets of first bearing seats 201 arranged opposite to each other. In the inner ring of the bearings of the two sets of first bearing seats 201, a glue transfer roller shaft 202 is provided with an interference fit. Both ends of the glue transfer roller shaft 202 extend to the outer side of the two sets of first bearing seats 201, and one end is provided with a right-angle motor 203 that drives it to rotate around its own axis. To ensure the installation stability and operational safety of the right-angle motor 203, the right-angle motor 203 is fixed to the outer wall of one of the support base plates 1 by a customized motor mounting bracket.

[0028] In this embodiment, the glue-to-extrusion roller assembly 3 serves as the core structure for achieving glue extrusion and uniformity in conjunction with the glue transition roller assembly 2. Its design revolves around "adjustable fit clearance," specifically including two sets of opposing second bearing seats 301. The axes of these two bearing seats are aligned with the axis of the first bearing seat 201 in the glue transition roller assembly 2, ensuring that the subsequently assembled roller shaft can be parallel and aligned with the glue transition roller shaft 202. The glue-to-extrusion roller shaft 302 is disposed within the inner rings of the bearings in the two sets of second bearing seats 301. To achieve the glue-to-extrusion roller shaft 302... 2. Horizontal adjustment (and thus adjustment of the fit clearance with the glue transition roller shaft 202): First slots are provided on the two sets of support base plates 1 to provide space for the glue to move against the extrusion roller shaft 302. The first slots are opened in the horizontal direction and their length is designed according to the adjustment stroke requirements of the glue to extrusion roller assembly 3. When the first fine-tuning component 4 drives the second bearing seat 301 to move horizontally, the two ends of the glue to extrusion roller shaft 302 can slide synchronously along the first slots to achieve precise adjustment of the fit clearance with the glue transition roller shaft 202 and meet the initial receiving and spreading requirements of the glue.

[0029] In this embodiment, the first fine-tuning component 4 serves as the core driving structure for driving the horizontal movement of the glue-to-extrusion roller assembly 3 and precisely adjusting its mating gap with the glue transition roller assembly 2. Specifically, it includes two sets of opposing angle gearboxes 401. The two sets of angle gearboxes 401 are respectively fixed to the outer walls of the two support base plates 1 by bolts, and their installation height and horizontal position are completely symmetrical to ensure that subsequent transmission components maintain coaxiality and avoid unilateral offset during adjustment. To achieve synchronous movement of the two sets of angle gearboxes 401, they are connected by a first linkage rod 402. For convenient operator input of adjustment parameters... The system is designed to save power. A first hand crank 403 is located at the input end of one of the angle gearboxes 401, and a lead screw 404 is located at the output end of the angle gearbox 401. A ball bearing nut seat 405 is provided on the lead screw 404 and is fixed to the side wall of the second bearing seat 301. When the lead screw 404 is driven to rotate by the angle gearbox 401, the ball bearing nut seat 405 can move smoothly along the axis of the lead screw 404, thereby driving the second bearing seat 301 and the glue extrusion roller shaft 302 connected thereto to move horizontally synchronously, so as to achieve precise adjustment of the mating gap between the glue extrusion roller assembly 3 and the glue transition roller assembly 2.

[0030] In this embodiment, the glue-applying roller assembly 8 serves as the core execution structure for directly transferring glue to the surface of the board. Specifically, it includes two sets of glue-applying roller base plates 801 arranged opposite each other. These two sets of base plates 801 are positioned outside the two sets of support base plates 1. To ensure that the glue-applying roller base plates 801 remain stable and do not deviate when moving vertically, guide members 802 are provided on both sides of the glue-applying roller base plates 801 to guide their vertical plane. A third bearing seat 803 is provided on the end face of each glue-applying roller base plate 801. Within the inner rings of the bearings in both sets of third bearing seats 803, a [missing information - likely a specific type of bearing] is tightly fitted. To provide space for the vertical movement of the glue roller shaft 804, a second slot is provided on the two sets of support base plates 1 to provide the upper glue roller shaft 804 with a space for movement. To achieve precise adjustment of the upper glue roller shaft 804 in the horizontal direction (controlling the fit clearance with the glue transition roller shaft 202), a second fine adjustment component 9 is provided between the two sets of glue roller base plates 801. In addition, to further avoid interference of the fine adjustment of the upper glue roller shaft 804, a third slot is provided on the upper glue roller base plate 801 to provide the upper glue roller shaft 804 with a horizontal space for movement.

[0031] In this embodiment, the height adjustment component 10 serves as the core adjustment structure for driving the glue roller assembly 8 to rise and fall vertically and adapting to the glue application requirements of different thicknesses of sheet metal. Specifically, it includes guide cylinders 1001 that are relatively disposed on two sets of support base plates 1. Inside the guide cylinders 1001, a lifting rod 1002 is slidably sleeved. The lower end of the lifting rod 1002 extends to the outside of the guide cylinder 1001, and the end is fixed to the top of the glue roller base plate 801 by bolts through a flange. To achieve synchronous rising and falling of the two sets of lifting rods 1002, a second linkage rod 1003 is horizontally disposed between the two sets of guide cylinders 1001. The second linkage rod 1003 and the lifting rod 1002 are connected. The connection is made by toothed meshing. Specifically, the outer wall of the lifting rod 1002 is machined with longitudinal toothed grooves, and the second linkage rod 1003 is also provided with toothed grooves. When the second linkage rod 1003 rotates, it can drive the lifting rod 1002 to move vertically along the guide cylinder 1001. In order to facilitate the operator to input adjustment power, a second hand crank 1004 is provided at one end of the second linkage rod 1003.

[0032] In this embodiment, the spreading component 11 further spreads the adhesive on the surface of the glue roller shaft 804. Specifically, it includes a fourth bearing seat 1101 fixedly disposed on the inner wall of two sets of support base plates 1. A swing rod 1102 is rotatably disposed in the inner ring of the bearings in the two sets of fourth bearing seats 1101. Several extension parts 1103 are evenly distributed along the length of the swing rod 1102. A spreading plate 1104 is commonly disposed at the ends of the extension parts 1103. The spreading plate 1104 is made of flexible wear-resistant material, and its edges are rounded and chamfered. It is located on the inner wall of the support base plate 1, near the fourth bearing seat 1101. Below, a cylinder fixing component 1105 is provided. On the cylinder fixing component 1105, a swing cylinder 1106 is provided to provide swing power. At the end of the telescopic rod of the swing cylinder 1106, a swing component 1107 is rotatably provided. The swing component 1107 is fixed to the swing rod 1102 by bolts. When the telescopic rod of the swing cylinder 1106 extends or retracts, it will drive the swing 1102 to swing back and forth around the axis of the fourth bearing seat 1101 through the swing component 1107, thereby changing the distance between the spreading plate 1104 and the glue roller shaft 804 and performing a spreading action on its surface, eliminating local accumulation or streaks of glue layer, and achieving a uniform coating effect.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mechanism for adjusting the adhesive thickness on a sheet material, characterized in that: This includes an adhesive thickness adjustment mechanism installed on the sheet material conveying device; The adhesive thickness adjustment mechanism includes two sets of support base plates (1) arranged opposite to each other. An adhesive transition roller assembly (2) is fixedly arranged between the two sets of support base plates (1). An adhesive extrusion roller assembly (3) is movably arranged on one side of the adhesive transition roller assembly (2). A first fine-tuning component (4) is provided on one side of the adhesive extrusion roller assembly (3) to allow for horizontal movement adjustment. Anti-overflow plates (5) are provided at both ends of the joint between the adhesive transition roller assembly (2) and the adhesive extrusion roller assembly (3). A support arm (6) is provided above the joint between the adhesive transition roller assembly (2) and the adhesive extrusion roller assembly (3). The support arm (6) is evenly provided with several sets of glue outlet tubes (7). The glue transition roller assembly (2) is movably provided with an upper glue roller assembly (8) on the other side. The upper glue roller assembly (8) is provided with a second fine adjustment assembly (9) on one side to allow for horizontal movement adjustment. The first fine adjustment assembly (4) and the second fine adjustment assembly (9) have the same structure. The upper glue roller assembly (8) is provided with a height adjustment assembly (10) above it to allow for vertical movement adjustment. A smoothing assembly (11) that cooperates with the upper glue roller assembly (8) is also provided between the inner walls of the two sets of support base plates (1).

2. The adhesive thickness adjustment mechanism for sheet metal according to claim 1, characterized in that: The glue transition roller assembly (2) includes two sets of first bearing seats (201) arranged opposite to each other. The inner ring of the bearings of the two sets of first bearing seats (201) is provided with glue transition roller shafts (202). One end of the glue transition roller shaft (202) is provided with a right-angle motor (203) that drives it to rotate. The right-angle motor (203) is fixed to the outer wall of one of the supporting base plates (1) by a motor mounting seat.

3. The adhesive thickness adjustment mechanism for sheet metal according to claim 2, characterized in that: The glue-to-extrusion roller assembly (3) includes two sets of second bearing seats (301) arranged opposite to each other. The inner ring of the bearings of the two sets of second bearing seats (301) is provided with glue-to-extrusion roller shafts (302). The two sets of support base plates (1) are provided with first slots to provide space for the glue-to-extrusion roller shafts (302) to move.

4. The adhesive thickness adjustment mechanism for sheet metal according to claim 3, characterized in that: The first fine-tuning component (4) includes two sets of angle gearboxes (401) arranged opposite to each other. The two sets of angle gearboxes (401) cooperate with each other through a first linkage rod (402). A first hand crank (403) is provided at the input end of one of the angle gearboxes (401). A lead screw (404) is provided at the output end of the angle gearbox (401). A ball nut seat (405) is provided on the lead screw (404) to cooperate with it. The ball nut seat (405) is fixed to the side wall of the second bearing seat (301).

5. The adhesive thickness adjustment mechanism for sheet metal according to claim 4, characterized in that: The glue-applying roller assembly (8) includes two sets of glue-applying roller base plates (801) arranged opposite to each other. The glue-applying roller base plates (801) are provided with guide members (802) on both sides to achieve vertical plane guidance. Each glue-applying roller base plate (801) is provided with a third bearing seat (803). The inner ring of the bearings of the two sets of third bearing seats (803) is provided with a glue-applying roller shaft (804). The two sets of support base plates (1) are provided with a second slot to provide the glue-applying roller shaft (804) with a space for movement. The second fine-tuning component (9) is provided between the two sets of glue-applying roller base plates (801). The glue-applying roller base plate (801) is provided with a third slot to provide the glue-applying roller shaft (804) with a further space for movement.

6. The adhesive thickness adjustment mechanism for sheet metal according to claim 5, characterized in that: The height adjustment component (10) is arranged opposite to the guide cylinder (1001) on the two sets of support base plates (1). A lifting rod (1002) is sleeved inside the guide cylinder (1001). The end of the lifting rod (1002) is fixed on the top roller base plate (801). A second linkage rod (1003) is arranged between the two sets of guide cylinders (1001). The second linkage rod (1003) and the lifting rod (1002) are connected by a toothed meshing joint. A second hand crank (1004) is provided at the end of the second linkage rod (1003).

7. The adhesive thickness adjustment mechanism for sheet metal according to claim 6, characterized in that: The smoothing assembly (11) includes a fourth bearing seat (1101) fixedly disposed on the inner wall of the two sets of supporting base plates (1). The inner ring of the bearings of the two sets of fourth bearing seats (1101) is rotatably provided with a swing rod (1102). A plurality of extension parts (1103) are evenly distributed on the swing rod (1102). The ends of the plurality of extension parts (1103) are provided with smoothing plates (1104). A cylinder fixing part (1105) is provided on the inner wall of the supporting base plate (1). A swing cylinder (1106) is provided on the cylinder fixing part (1105). A swinging part (1107) is rotatably disposed on the telescopic rod of the swing cylinder (1106). The swinging part (1107) is fixed on the swing rod (1102).

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