Automatic film covering equipment with belt tension adaptive adjustment

Abstract

This invention discloses an automatic coating device with adaptive tension adjustment for use in the coating process. By setting switchable tooth conditions and a swing rod, when the raw material is about to be exhausted, the follower component loses its support and descends. The magnetic blocks attract each other to achieve the squeezing contact of the upper and lower rubber rollers, forming a supplementary clamping on the end of the raw material while reducing the vertical gap between the raw materials. The adjustment frame moves towards the pressure roller, shortening the horizontal distance between the end of the raw material and the pressure roller, so that the end of the raw material can be fully pressed and adhered, reducing material waste. In addition, by setting electromagnetic blocks, spring components, magnetic rods and maintenance rods, the electromagnetic blocks at the corresponding positions can be selectively activated according to the exhaustion status of the raw materials, controlling the transmission connection state of the magnetic rod and the belt component. Only the rubber roller assembly at the position of the raw material that is about to be exhausted descends and clamps, avoiding interference with the normal traction of the unexhausted raw materials, and achieving targeted processing.

Description

Technical Field

[0001] This invention relates to the field of coating processing, and in particular to an automatic coating device with adaptive tension adjustment. Background Technology

[0002] Automated laminating equipment replaces manual operation with mechanized processing, significantly improving packaging efficiency and lamination consistency, ensuring products are moisture-proof, stain-proof, and securely bundled. Employing tension control and continuous film supply technology, it can adapt to the packaging needs of items of different sizes, effectively reducing material waste and labor costs. It is a key supporting equipment for achieving standardized and automated packaging production.

[0003] The prior art CN202520236925.X discloses an agricultural mulching device in which a sliding block slides within a fixed box with the help of a spring, thereby driving the adjusting roller to change position and adaptively adjusting the film tension. This effectively ensures the smooth progress of the mulching operation and the high quality of the mulched film, avoiding the impact of tension issues on the mulching effect.

[0004] The prior art CN202210610055.9 discloses a label production equipment with a lamination function, which can adaptively adjust the rolled paper and rolled film, so that the pulled paper and film are always in a taut state for easy processing.

[0005] In the existing coating equipment, the film on the raw material roller is used for coating, and the tension adjustment operation is achieved by adjusting the position of the tension roller. However, as the raw material film on the raw material roller is depleted, the clamping effect at the end of the raw material film weakens, which leads to a significant reduction in the tension effect when winding the coating material. The tension adjustment effect achieved by adjusting the position of the tension roller alone is limited. Therefore, the tension adjustment structure of the coating equipment needs to be adjusted accordingly. Summary of the Invention

[0006] The core of this invention lies in solving the problem in existing technologies where the material rack lacks clamping constraint at the end when it is about to run out, leading to insufficient pressing and bonding of the material parts and resulting in waste. This is achieved by setting up switchable tooth conditions, a swing rod, a follow-up component, and a rubber roller assembly. Simultaneously, the use of an electromagnetic block, a magnetic rod, and a maintenance rod allows for targeted processing based on the actual consumption of material parts on the surface of the material roller.

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] An automatic film coating device with tension adaptive adjustment includes a support frame, a tool frame and an adjustment frame located on one side of the top surface of the support frame, a plurality of raw material rollers arranged vertically are rotatably mounted inside the tool frame, and adjustment grooves are opened on the surfaces of the adjustment frame that are close to each other. The number of rubber roller assemblies is the same as the number of raw material rollers installed inside the adjustment grooves, and the number of follower components is the same as the number of rubber roller assemblies installed inside the adjustment grooves. An extension plate is mounted on the surface of the tool rack, and an adjustment motor is mounted on the surface of the extension plate. A gear is connected to the output end of the adjustment motor. A shaft is mounted through the surface of the adjustment frame, and a toothed condition is sleeved on the surface of the shaft. The toothed condition meshes with the gear in both the vertical and horizontal positions. A shaft is mounted through the interior of the adjustment frame, and a swing rod is sleeved on the surface of the shaft. An arc-shaped groove is opened inside the adjustment frame that communicates with the adjustment groove. The follower component includes a second slider that is slidably connected in the adjustment groove. A first slider is slidably connected inside the second slider. An upper rubber roller and a lower rubber roller are rotatably connected to the surfaces of the first slider and the second slider, respectively. Magnetic blocks are embedded in the inner wall of the second slider and the outer surface of the first slider.

[0009] Furthermore, a rotary motor is mounted on the surface of the adjusting frame, and the output end of the rotary motor is connected to the end of shaft one. The surfaces of shaft one and multiple shaft two are connected by belt drive, and the diameter of shaft one is larger than the diameter of shaft two.

[0010] Furthermore, when the swing rod is placed horizontally, it supports the second slider. In this state, the magnetic blocks on the surfaces of the first and second sliders are arranged vertically. When the swing rod is placed vertically, the magnetic blocks on the surfaces of the first and second sliders attract each other. In this state, the surfaces of the upper and lower rubber rollers are in contact with each other.

[0011] Furthermore, the cross-sectional width of the swing rod is greater than the cross-sectional width of the portion of slider one located inside slider two, and the length of the swing rod is less than the radius of the arc groove.

[0012] Furthermore, multiple pressure rollers and take-up rollers are sequentially mounted on the top surface of the bracket via bearing seats, with the pressure rollers inside the bearing seats near the adjusting frame arranged in two layers, one above the other.

[0013] Furthermore, a servo motor is installed inside the bracket, and the output end of the servo motor is connected to a conveyor belt. One end of one of the pressure rollers is connected to the conveyor belt via a pulley. A drive motor is installed on the top surface of the other side of the bracket, and the output end of the drive motor is connected to the end of the take-up roller via a gear set.

[0014] Furthermore, the bottom surface of the adjustment frame is coated with a magnetic layer, a limit rod is installed on the surface of the bracket, and a permanent magnet block that attracts the magnetic layer is embedded on the surface of the limit rod.

[0015] Optionally, a circular groove is provided inside one end of the shaft that is away from the tooth condition. An electromagnetic block is installed inside the circular groove. A spring is connected to the surface of the electromagnetic block. A magnetic rod that attracts the electromagnetic block is connected to the tail end of the spring. A limit block is connected to the surface of the magnetic rod. A constraint groove matching the limit block is provided on the inner wall of the circular groove.

[0016] Furthermore, the length of the limiting block is less than the length of the magnetic rod, and the belt component makes transmission contact with the surface of the magnetic rod. The part of the belt component that contacts the magnetic rod is located on the side of the limiting block away from the electromagnetic block, and a maintenance rod is rotatably connected to the end of the magnetic rod.

[0017] Compared with the prior art, the advantages of this invention are: (1) This solution sets up switchable tooth conditions and swing rods, so that when the raw material is exhausted, the follower component loses its support and descends. The magnetic blocks attract each other to achieve the squeezing contact between the upper and lower rubber rollers, forming a supplementary clamping on the end of the raw material while reducing the vertical gap between each raw material. At the same time, the adjustment motor, gear components and the horizontally placed tooth conditions are used to drive the adjustment frame to move towards the pressure roller, shortening the horizontal distance between the end of the raw material and the pressure roller, so that the end of the raw material can be fully pressed and adhered, reducing material waste.

[0018] (2) This solution sets electromagnetic blocks, spring components, magnetic rods and maintenance rods at both ends of the shaft. The electromagnetic blocks at the corresponding positions can be selectively activated according to the depletion status of the raw material components on the surface of each raw material roller. The transmission connection status between the magnetic rod and the belt component is controlled, so that only the rubber roller assembly at the corresponding position of the raw material component that is about to be depleted is lowered and clamped, so as to avoid interfering with the normal traction of the undepleted raw material component and achieve targeted treatment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall appearance and structure of the present invention; Figure 2 This is a schematic diagram of the structure of the adjusting frame, gear condition, and gear component of the present invention; Figure 3 This is a schematic diagram illustrating the installation of the tool holder and adjustment bracket of the present invention; Figure 4 This is a schematic diagram of the tooth condition horizontally placed state according to the present invention; Figure 5 This is a schematic diagram of the belt component, shaft two, shaft one, and adjusting groove of the present invention; Figure 6 This is a schematic diagram of the follower component, swing rod, and arc groove of the present invention; Figure 7 This is a schematic diagram of the horizontal lifting state of the swing arm of the present invention; Figure 8 This is a schematic diagram showing the positional changes of the magnetic blocks on the surfaces of slider one and slider two when the swing arm of the present invention switches from horizontal lifting to vertical placement; Figure 9 This is a schematic diagram of the state in which the end of the raw material component is about to be exhausted, the follower component slides down, the rubber roller assembly clamps the end of the raw material component, and the adjusting frame moves towards the nearest pressure roller. Figure 10 This is a schematic diagram of the structure of the second shaft, the magnetic rod, the electromagnetic block, and the maintenance rod of the present invention; Figure 11 This is a schematic diagram illustrating the relationship between the electromagnetic block of the present invention and the corresponding magnetic rod retracting and disengaging from the belt when the electromagnetic block is activated.

[0020] Explanation of the labels in the diagram: 1. Support frame; 2. Tool rack; 21. Raw material roller; 3. Adjusting frame; 31. Gear condition; 32. Gear component; 33. Belt component; 34. Adjusting groove; 35. Shaft rod one; 36. Shaft rod two; 37. Swing rod; 38. Arc groove; 4. Rotating motor; 5. Rubber roller assembly; 51. Upper rubber roller; 52. Lower rubber roller; 6. Drive motor; 7. Servo motor; 8. Pressure roller; 9. Take-up roller; 10. Follow-up component; 101. Slider one; 102. Slider two; 103. Magnetic block; 11. Adjusting motor; 12. Magnetic rod; 13. Spring component; 14. Limit block; 15. Electromagnetic block; 16. Maintenance rod. Detailed Implementation

[0021] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.

[0022] Example 1:

[0023] Please see Figures 1-5 An automatic film coating device with tension adaptive adjustment includes a support 1. A tool frame 2 and an adjustment frame 3 located on one side of the top surface of the support 1 are mounted on the tool frame 2. Multiple raw material rollers 21 arranged vertically are rotatably mounted inside the tool frame 2. Adjustment grooves 34 are opened on the surfaces of the adjustment frame 3 that are close to each other. The number of rubber roller assemblies 5 is the same as the number of raw material rollers 21 installed inside the adjustment grooves 34. The number of follower assemblies 10 is the same as the number of rubber roller assemblies 5 installed inside the adjustment grooves 34. The tool rack 2 has an extension plate installed on its surface, and an adjustment motor 11 is installed on the surface of the extension plate. The output end of the adjustment motor 11 is connected to a gear 32. A shaft 35 is installed through the surface of the adjustment frame 3. A toothed condition 31 is sleeved on the surface of the shaft 35. The toothed condition 31 meshes with the gear 32 in both the vertical and horizontal positions. A shaft 36 is installed through the interior of the adjustment frame 3. A swing rod 37 is sleeved on the surface of the shaft 36. An arc-shaped groove 38 that communicates with the adjustment groove 34 is opened inside the adjustment frame 3. Please see Figures 6-8 The follower component 10 includes a second slider 102 that is slidably connected in the adjustment groove 34. A first slider 101 is slidably connected inside the second slider 102. An upper rubber roller 51 and a lower rubber roller 52 are rotatably connected to the surfaces of the first slider 101 and the second slider 102, respectively. Magnetic blocks 103 are embedded in the inner wall of the second slider 102 and the outer surface of the first slider 101. Please see Figures 1-2 Multiple pressure rollers 8 and winding rollers 9 are sequentially mounted on the top surface of the bracket 1 via bearing seats, wherein the pressure rollers 8 inside the bearing seat near the adjusting frame 3 are arranged in two positions, one above the other. Please see Figure 8 When the swing rod 37 is placed horizontally, it supports the second slider 102. In this state, the magnetic blocks 103 on the surfaces of the first slider 101 and the second slider 102 are arranged vertically. When the swing rod 37 is placed vertically, the magnetic blocks 103 on the surfaces of the first slider 101 and the second slider 102 attract each other. In this state, the surface of the upper rubber roller 51 is pressed against the surface of the lower rubber roller 52.

[0024] Specifically, in this embodiment, an image acquisition device (not shown in the figure, as it is prior art and will not be described in detail) is arranged on one side of the tool holder 2. This device is used to monitor the usage status of the raw material cylinder on the surface of the raw material roller 21, providing a reference for the swing status of the tooth condition 31 and the placement status of the two rubber rollers in the rubber roller assembly 5. In addition, a tension sensor (the specific model is selected according to actual needs and will not be described in detail here) is installed on the surface of one of the pressure rollers 8 for tension detection. Furthermore, friction textures are arranged on the surfaces of the belt component 33, shaft one 35, and shaft two 36.

[0025] During the coating operation, multiple raw material rolls are sleeved on the surface of the raw material roller 21 (if double-sided coating is used, the surfaces of the upper and lower raw material rollers 21 can be film rolls; if single coating is used, the film rolls can be placed on the surface of the uppermost or lowermost raw material roller 21 as needed). Then, the raw materials on the surfaces of the multiple raw material rollers 21 are respectively pulled through the rubber roller assembly 5 at the corresponding positions. After being clamped by two vertically arranged pressure rollers 8, the coating process is completed. After being wound by multiple pressure rollers 8, the materials are finally wound up by the winding roller 9.

[0026] During this process, when it is necessary to adjust the tension of the traction material, the adjusting motor 11 can be used to drive the gear component 32 to rotate, which in turn drives the vertically placed gear component 31 to move up or down, so that the adjusting frame 3 can perform synchronous lifting and lowering operations, thereby adjusting the tension of the material component in the traction state that passes through the gap between the upper rubber roller 51 and the lower rubber roller 52 in the rubber roller assembly 5 within the adjusting frame 3.

[0027] When the raw material in the raw material cylinder on the surface of the raw material roller 21 is about to be exhausted, the clamping constraint at the end of the raw material is weak because the end of the raw material is wrapped around the surface of the raw material roller 21 less than one turn. At this time, the constraint effect of adjusting the vertical position of the two rubber rollers in the single rubber roller assembly 5 is limited, resulting in the tension not being effectively adjusted, which is not conducive to the coating process.

[0028] Therefore, when the raw materials are about to be exhausted, the rotating motor 4 can be started to switch the gear condition 31 from a vertical position to a horizontal position (e.g., Figure 4 As shown), simultaneously, shaft 35 rotates, driving belt 33 to move, which in turn drives shaft 36, which is connected to it, to rotate, causing the swing arm 37 to switch from its original horizontal lifting state to a vertical placement state. Since the two upper sliders 101 (there are three sliders 101 in this embodiment, hence the two upper ones) lose the lifting effect of the swing arm 37, the two upper sliders 102 descend under their own weight. Simultaneously, due to the loss of their limiting function, the sliders 101 slidably inserted into the sliders 102 descend until the magnetic blocks 103 embedded on the surface of slider 102 overlap with the magnetic blocks 103 embedded on the surface of slider 101, attracting each other. This causes the upper rubber roller 51 in the rubber roller assembly 5 to descend until it makes squeezing contact with the lower rubber roller 52, thereby clamping the material located between the two rubber rollers (e.g., Figure 8 As shown in the figure, as the follower component 10 descends, it drives the corresponding rubber roller component 5 to descend synchronously, thereby reducing the vertical gap between different raw material parts and facilitating subsequent maximum pressing and bonding.

[0029] As the follower component 10 descends, the adjusting motor 11 drives the gear component 32 to rotate. Through meshing, the horizontal gear component 31 causes the adjusting frame 3 to gradually move closer to the positions of the two pressure rollers 8 in the nearest shaft seat (e.g., ...). Figure 9 As shown in the figure, this facilitates the maximum pressing and covering of end-piece raw materials, avoiding material waste.

[0030] Please see Figures 1-4A rotating motor 4 is mounted on the surface of the adjusting frame 3, and the output end of the rotating motor 4 is connected to the end of the shaft 35. The surfaces of the shaft 35 and multiple shafts 36 are connected by a belt 33, and the diameter of the shaft 35 is larger than the diameter of the shaft 36.

[0031] Specifically, the rotating motor 4 can drive the gear condition 31 to switch the placement state, and indirectly drive multiple swing rods 37 through the belt component 33 to switch the placement state. Moreover, multiple shafts 36 and shaft 35 are all located on one side of the adjustment groove 34, so no interference operation will be formed when the rubber roller assembly 5 descends.

[0032] Please see Figures 6-7 The cross-sectional width of the swing rod 37 is greater than the cross-sectional width of the portion of slider 101 located inside slider 202, and the length of the swing rod 37 is less than the radius of the arc groove 38.

[0033] Specifically, when the swing rod 37 is in a horizontal lifting state, it can not only limit the movement of slider 2 102, but also prevent slider 1 101 from descending. This results in the magnetic blocks 103 on the surfaces of slider 1 101 and slider 2 102 being staggered vertically. When the swing rod 37 is switched to a vertical state, slider 2 102 and slider 1 101 descend under their own weight and can achieve overlapping attraction between the two magnetic blocks 103.

[0034] When waiting for the tool holder 2 to be reloaded, the rubber roller assembly 5 can be moved to its initial position. Then, the rotating motor 4 drives the tooth condition 31 to switch to a vertical position. Under the action of the belt 33, multiple swing rods 37 are indirectly driven to switch to a horizontal position, thereby supporting the corresponding follower assembly 10. Then, the raw material film on the surface of each raw material roller 21 is pulled through the middle of the corresponding rubber roller assembly 5 for subsequent film coating and winding operations.

[0035] Please see Figures 1-2 The bracket 1 is equipped with a servo motor 7. The output end of the servo motor 7 is connected to a conveyor belt. One end of one of the pressure rollers 8 is connected to the conveyor belt via a pulley. The other side of the bracket 1 is equipped with a drive motor 6, and the output end of the drive motor 6 is connected to the end of the take-up roller 9 via a gear set.

[0036] Specifically, the servo motor 7 and the drive motor 6 are used to drive one of the pressure rollers 8 and the take-up roller 9 to rotate, thereby enabling the lamination operation of this application to proceed smoothly.

[0037] Please see Figures 3-4The bottom surface of the adjustment frame 3 is coated with a magnetic layer, and a limit rod is installed on the surface of the bracket 1. The surface of the limit rod is inlaid with a permanent magnet that attracts the magnetic layer.

[0038] Specifically, when the tooth condition 31 is placed vertically, the magnetic attraction between the permanent magnet block and the magnetic layer allows the adjustment frame 3 to be relatively stably constrained to a position close to the tool holder 2. This balances the meshing effect between the tooth condition 31 and the gear component 32, and also reduces the distance between the clamping position of the rubber roller assembly 5 and the end of the raw material when the raw material is about to be exhausted, avoiding waste from pressing and bonding. In addition, since the magnetic attraction is a non-rigid constraint, the adjustment frame 3 can be moved and reset smoothly when it is subsequently moved indirectly by the adjustment motor 11.

[0039] Example 2:

[0040] Please refer to 10. A circular groove is provided inside one end of the shaft 36 away from the tooth condition 31. An electromagnetic block 15 is installed inside the circular groove. A spring 13 is connected to the surface of the electromagnetic block 15. A magnetic rod 12 that attracts the electromagnetic block 15 is connected to the tail end of the spring 13. A limit block 14 is connected to the surface of the magnetic rod 12. A constraint groove matching the limit block 14 is provided on the inner wall of the circular groove.

[0041] The length of the limiting block 14 is less than the length of the magnetic rod 12, and the belt 33 is in transmission contact with the surface of the magnetic rod 12. The part of the belt 33 that contacts the magnetic rod 12 is located on the side of the limiting block 14 away from the electromagnetic block 15. The end of the magnetic rod 12 is rotatably connected to the maintenance rod 16.

[0042] Specifically, in embodiment 1, when the tooth condition 31 is switched to the placement state, each rubber roller assembly 5 in the adjustment groove 34 is in a state of synchronous descent and clamping. However, in actual operation, the length of the raw material cylinder on the surface of each raw material roller 21 is not necessarily the same. It is possible that the raw material on the surface of one or several raw material cylinders is exhausted first. If they are synchronously descended and clamped, the raw material on the surface of the raw material cylinder that has not been exhausted will be pulled unnecessarily, requiring subsequent reverse winding. Therefore, corresponding improvements are needed to address this phenomenon.

[0043] In this embodiment, the magnetic rod 12 and the maintenance rod 16 have the same diameter and friction texture is arranged on the end surface of both. The belt component 33 drives the magnetic rod 12 and indirectly achieves the corresponding driving rotation effect by means of the connection and constraint effect formed by the limiting block 14 on the surface of the magnetic rod 12 and the constraint groove in the end of the shaft 36.

[0044] If the raw material on the surface of the centrally located raw material roller 21 is about to be exhausted, the rotating motor 4 will start first, driving the gear condition 31 to switch to a horizontal position. At this time, the electromagnetic blocks 15 in the two uppermost and lowermost shafts 36 can be activated, driving the magnetic rod 12 to move into the cylindrical groove in the corresponding shaft 36, so that the maintenance rod 16 contacts the belt component 33. In this state, the belt component 33 only drives the maintenance rod 16 to rotate (e.g., Figure 11 As shown in the figure, it will not cause the corresponding shaft 36 to rotate, and thus the corresponding swing rod 37 will not rotate, so that the corresponding follower component 10 and rubber roller assembly 5 can maintain their original position and perform normal traction.

[0045] When the material component that is about to be depleted is in the position corresponding to the shaft 36, the electromagnetic block 15 is not activated. At this time, the magnetic rod 12 is in contact with the belt 33, which can drive the shaft 36 to rotate, so that the follower component 10 and the rubber roller component 5 at the corresponding position are in a state of descent and clamping constraint. At this time, the adjusting motor 11 drives the adjusting frame 3 to move closer to the nearest shaft seat, as in the operation in Example 1, so that the material component that is about to be depleted can achieve maximum pressing and bonding processing.

[0046] In addition, the main function of the maintenance rod 16 is to continue to support and maintain the belt component 33 after the magnetic rod 12 inside the belt component 33 retracts, ensuring that the belt component 33 will not be damaged due to the loss of the support of the magnetic rod 12.

[0047] In this application, the rotary motor 4, drive motor 6, servo motor 7, regulating motor 11 and electromagnetic block 15 are all prior art. Their models and working principles are not described here. You can select the appropriate model according to your actual needs.

[0048] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. An automatic film coating device with adaptive tension adjustment, comprising a support frame (1), characterized in that: A tool rack (2) and an adjustment rack (3) located on one side of the top surface of the support (1) are installed. Multiple raw material rollers (21) arranged vertically are rotatably installed inside the tool rack (2). Adjustment grooves (34) are opened on the surfaces of the adjustment racks (3) that are close to each other. The number of rubber roller assemblies (5) is the same as the number of raw material rollers (21) installed inside the adjustment grooves (34). The number of follower assemblies (10) is the same as the number of rubber roller assemblies (5) installed inside the adjustment grooves (34). The tool holder (2) is equipped with an extension plate, and an adjustment motor (11) is installed on the surface of the extension plate. The output end of the adjustment motor (11) is connected to a gear (32). A shaft (35) is installed through the surface of the adjustment frame (3). A toothed condition (31) is sleeved on the surface of the shaft (35), and the toothed condition (31) meshes with the gear (32) in both the vertical and horizontal positions. A shaft (36) is installed through the interior of the adjustment frame (3), and a swing rod (37) is sleeved on the surface of the shaft (36). An arc-shaped groove (38) is opened inside the adjustment frame (3) and communicates with the adjustment groove (34). The follower component (10) includes a second slider (102) slidably connected in the adjustment groove (34). The second slider (102) is slidably connected to a first slider (101). The surfaces of the first slider (101) and the second slider (102) are respectively rotatably connected to an upper rubber roller (51) and a lower rubber roller (52). The inner wall of the second slider (102) and the outer surface of the first slider (101) are both inlaid with magnetic blocks (103).

2. The automatic coating equipment with adaptive tension adjustment according to claim 1, characterized in that: The surface of the adjusting frame (3) is equipped with a rotating motor (4), and the output end of the rotating motor (4) is connected to the end of the first shaft (35). The surfaces of the first shaft (35) and multiple second shafts (36) are connected by a belt (33), and the diameter of the first shaft (35) is larger than the diameter of the second shaft (36).

3. The automatic coating equipment with adaptive tension adjustment according to claim 1, characterized in that: When the swing rod (37) is placed horizontally, it supports the second slider (102). In this state, the magnetic blocks (103) on the surfaces of the first slider (101) and the second slider (102) are arranged vertically. When the swing rod (37) is placed vertically, the magnetic blocks (103) on the surfaces of the first slider (101) and the second slider (102) attract each other. In this state, the surface of the upper rubber roller (51) is pressed against the surface of the lower rubber roller (52).

4. The automatic coating equipment with adaptive tension adjustment according to claim 1, characterized in that: The cross-sectional width of the swing rod (37) is greater than the cross-sectional width of the portion of slider one (101) located inside slider two (102), and the length of the swing rod (37) is less than the radius of the arc groove (38).

5. The automatic coating equipment with adaptive tension adjustment according to claim 1, characterized in that: The top surface of the bracket (1) is equipped with multiple pressure rollers (8) and winding rollers (9) in sequence via bearing seats, wherein the pressure rollers (8) in the bearing seats near the adjusting frame (3) are arranged in two positions, one above the other.

6. An automatic coating device with adaptive tension adjustment according to claim 5, characterized in that: A servo motor (7) is installed inside the bracket (1). The output end of the servo motor (7) is connected to a conveyor belt. One end of one of the pressure rollers (8) is connected to the conveyor belt via a pulley. A drive motor (6) is installed on the top surface of the other side of the bracket (1). The output end of the drive motor (6) is connected to the end of the take-up roller (9) via a gear set.

7. The automatic coating equipment with adaptive tension adjustment according to claim 1, characterized in that: The bottom surface of the adjustment frame (3) is coated with a magnetic layer, and the surface of the bracket (1) is equipped with a limit rod, and the surface of the limit rod is inlaid with a permanent magnet block that attracts the magnetic layer.

8. An automatic coating device with adaptive tension adjustment according to claim 1, characterized in that: The shaft (36) is provided with a circular groove at one end away from the tooth condition (31). An electromagnetic block (15) is installed inside the circular groove. A spring (13) is connected to the surface of the electromagnetic block (15). A magnetic rod (12) that attracts the electromagnetic block (15) is connected to the tail end of the spring (13). A limit block (14) is connected to the surface of the magnetic rod (12). A constraint groove matching the limit block (14) is provided on the inner wall of the circular groove.

9. An automatic coating device with adaptive tension adjustment according to claim 8, characterized in that: The length of the limiting block (14) is less than the length of the magnetic rod (12), and the belt (33) makes transmission contact with the surface of the magnetic rod (12). The part of the belt (33) that contacts the magnetic rod (12) is located on the side of the limiting block (14) away from the electromagnetic block (15). The end of the magnetic rod (12) is rotatably connected to a maintenance rod (16).

Images