Wiping mechanism, tensioning wiping device and automatic spraying wiping device

Abstract

The utility model discloses a wiping mechanism, a tensioning wiping device and automatic spraying horizontal wiping equipment, the wiping mechanism comprises a swing assembly, a wiping head assembly and a cam motor, the swing assembly comprises a first Y-axis sliding rail and a first Y-axis sliding block which are in sliding connection; the wiping head assembly is arranged on the first Y-axis sliding block; the output end of the cam motor is arranged on the first Y-axis sliding block; under the driving of the cam motor, the first Y-axis sliding block drives the wiping head assembly to slide on the first Y-axis sliding rail. The cam motor acts on the swing assembly, the wiping head assembly can continuously swing left and right on the first Y-axis sliding rail under the action of the cam motor, the manual wiping action is simulated, the wiping strength can be kept consistent, and the wiping effect is consistent.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a wiping mechanism, a tensioning wiping device and an automatic spraying wiping device. Background Art

[0002] At present, in the field of wiping dirt off finished electronic products, the traditional method is to manually take a dust-free cloth and dip it in wiping liquid for cleaning. Due to the large flat area, the efficiency of manual wiping is low, and the instability of manual operation will cause foreign matter to remain and affect the quality. At the same time, the operator smelling the wiping liquid for a long time is a hidden danger to human health. The current spray wiping device cannot simulate the swinging action of manual wiping, and there is also the problem of the cloth sliding down when it is in a loose state, and it is impossible to implement automatic wiping according to the specified path. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a wiping mechanism that simulates the continuous left-right swinging action of manual wiping, which is conducive to wiping; the utility model also proposes a tensioning wiping device that is conducive to the tensioning and fixing of the wiping cloth, preventing the wiping cloth from being loosened, and is also conducive to automatic winding; the utility model also proposes an automatic spraying wiping device that can perform repeated movements along a specified path, which is conducive to automatic wiping.

[0004] The utility model embodiment provides a wiping head assembly capable of simulating artificial shaking, comprising:

[0005] A swing assembly, comprising a first Y-axis slide rail and a first Y-axis slider that are slidably connected;

[0006] a wiping head assembly, wherein the wiping head assembly is disposed on the first Y-axis slider;

[0007] A cam motor, wherein the output end of the cam motor is connected to the first Y-axis slider; under the drive of the cam motor, the first Y-axis slider can drive the wiping head assembly to move back and forth along the first Y-axis slide rail.

[0008] According to some embodiments of the utility model, a protection component is also included, which includes a pressure detection unit, a first base plate, and a first X-axis slide rail and a first X-axis slider that are slidably connected. The first base plate is installed on the first Y-axis slider, and the first X-axis slide rail is installed on the first base plate. The output end of the cam motor passes through the first base plate and is connected to the first Y-axis slider.

[0009] According to some embodiments of the utility model, the wiping head assembly also includes an injection valve and a wiping head body, the wiping head body is arranged on the first X-axis slider, the pressure detection unit is arranged on the wiping head body, the top rotating wheel assembly is arranged on the first bottom plate, and the output end of the injection valve is in the same direction as the wiping head body.

[0010] On the other hand, an embodiment of the utility model provides a tensioning wiping device, including a second bottom plate, a loading and unloading assembly, a tensioning and fixing assembly and the above-mentioned wiping mechanism, wherein the wiping mechanism, the loading and unloading assembly and the tensioning and fixing assembly are all arranged on the second bottom plate.

[0011] According to some embodiments of the utility model, the tensioning and fixing assembly includes a support frame, at least one cylinder, at least one pressure wheel mechanism, and at least one fixed wheel. The support frame is arranged on the second base plate, the cylinder is installed on the support frame, the fixed wheel is movably adapted on the support frame, and the pressure wheel mechanism is arranged on the output end of the cylinder and is located on one side of the fixed wheel.

[0012] According to some embodiments of the utility model, the tensioning and fixing assembly also includes a transmission module, which includes a first conveyor belt, a stepper motor and at least one first tensioning wheel, the first conveyor belt is sleeved on the transmission end of all the fixed wheels and the output end of the stepper motor, and the at least one first tensioning wheel is arranged on the second bottom plate and abuts against the first conveyor belt.

[0013] According to some embodiments of the utility model, the pressing wheel mechanism includes a slide seat, a support shaft and a pressing wheel, the slide seat is arranged at the output end of the cylinder, the support shaft is arranged on the slide seat, and the pressing wheel is sleeved on the support shaft.

[0014] According to some embodiments of the utility model, the loading and unloading assembly includes a loading module, a winding module, a second conveyor belt, a second tensioning wheel and a winding motor installed on the second bottom plate, the second conveyor belt is sleeved on the transmission end of the winding module and the output end of the winding motor, and the second tensioning wheel is arranged on the second bottom plate and abuts against the second conveyor belt.

[0015] On the other hand, an embodiment of the utility model provides an automatic spray wiping device, including a second X-axis sliding assembly, a second Y-axis sliding assembly and the above-mentioned tensioning wiping device, wherein the tensioning wiping device is arranged on the second X-axis sliding assembly, and the second X-axis sliding assembly is arranged on the second Y-axis sliding assembly.

[0016] According to some embodiments of the present invention, the second X-axis sliding assembly includes a slide rail motor, a second X-axis slider and a second X-axis slide rail, the output end of the slide rail motor is connected to the second X-axis slide rail, and the second X-axis slider is slidably connected to the second X-axis slide rail.

[0017] The embodiments of the present invention have at least the following beneficial effects:

[0018] The wiping mechanism provided by the utility model acts on the swing assembly through the cam motor, and the wiping head assembly can swing left and right continuously on the first Y-axis slide rail under the action of the cam motor, simulating the manual wiping action, which is conducive to maintaining the same wiping force and making the wiping effect consistent;

[0019] The driven tensioned cloth wiping device provided by the utility model tensions and fixes the wiping cloth through the tensioning and fixing assembly to prevent the wiping cloth from becoming loose;

[0020] The automatic spray wiping device provided by the utility model can realize automatic path wiping by allowing the wiping head to move along a designated path through the movement of the second X-axis sliding component and the second Y-axis sliding component. The spray valve regularly sprays wiping liquid onto the wiping cloth according to the wiping situation, and the wiping cloth is manually fed and automatically rolled up. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 This is a schematic diagram of the structure of the wiping mechanism of an embodiment of the utility model;

[0023] Figure 2 for Figure 1 One of the exploded views showing the wiping mechanism;

[0024] Figure 3 for Figure 1 The second exploded view showing the wiping mechanism;

[0025] Figure 4 This is a schematic structural diagram of a wiping head assembly according to an embodiment of the utility model;

[0026] Figure 5 for Figure 4 An exploded view of the wiper head assembly is shown;

[0027] Figure 6 This is a structural schematic diagram of a tensioning and fixing assembly according to an embodiment of the utility model;

[0028] Figure 7 for Figure 6A schematic structural diagram of the tensioning and fixing assembly from another angle is shown;

[0029] Figure 8 It is a structural schematic diagram of the pressing wheel mechanism of an embodiment of the utility model;

[0030] Fig. 9 for Figure 8 An exploded view of the pressing wheel mechanism is shown;

[0031] Fig.10 This is a schematic structural diagram of a tensioning and wiping device according to an embodiment of the utility model;

[0032] Fig.11 for Fig.10 One of the structural schematic diagrams showing another angle of the tensioning and wiping device;

[0033] Fig.12 for Fig.10 A second structural schematic diagram showing another angle of the tensioning and wiping device;

[0034] Fig.13 It is a schematic structural diagram of the automatic spraying horizontal wiping device according to an embodiment of the utility model.

[0035] The markings in the figure are as follows:

[0036] Wiping mechanism 100;

[0037] Swing assembly 110, first Y-axis slide rail 111, first Y-axis slider 112;

[0038] Wiping head assembly 120, protection assembly 121, first bottom plate 1211, first X-axis slide rail 1212, first X-axis slider 1213, injection valve 122, wiping head body 123, pressure detection unit 124, top rotating wheel assembly 125;

[0039] Cam motor 130;

[0040] Tensioning wiping device 200;

[0041] A second bottom plate 210;

[0042] Loading and unloading assembly 220, loading module 221, winding module 222, second conveyor belt 223, second tensioning wheel 224, winding motor 225;

[0043] Tensioning and fixing assembly 230, support frame 231, cylinder 232;

[0044] Pressing wheel mechanism 233, slide seat 2331, support shaft 2332, pressing wheel 2333;

[0045] Fixed wheel 234;

[0046] Transmission module 235, first conveyor belt 2351, stepper motor 2352, first tensioning wheel 2353;

[0047] Rolling strut 236;

[0048] Guide rod 240;

[0049] A second X-axis sliding assembly 300, a slide rail motor 310, a second X-axis slider 320, a second X-axis slide rail 330, and a third base plate 340;

[0050] A second Y-axis sliding assembly 400;

[0051] Wipe cloth 500. DETAILED DESCRIPTION

[0052] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0053] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0054] In the description of the present utility model, "several" means one or more, "multiple" means more than two, greater than, less than, and exceeding are understood as not including the number itself, and "above", "below", and "within" are understood as including the number itself. If there is a description of "first", "second", etc., it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0055] In the description of the present invention, unless otherwise clearly defined, words such as “setting”, “installation”, and “connection” should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above words in the present invention based on the specific content of the technical solution.

[0056] Please refer to Figure 1 , Figure 2 and Figure 3The wiping mechanism comprises a swing assembly 110, a wiping head assembly 120, and a cam motor 130. The swing assembly 110 comprises a first Y-axis slide rail 111 and a first Y-axis slider 112 which are slidably connected. The wiping head assembly 120 is arranged on the first Y-axis slider 112. The output end of the cam motor 130 is connected to the first Y-axis slider 112. Under the drive of the cam motor 130, the first Y-axis slider 112 drives the wiping head assembly 120 to move back and forth along the first Y-axis slide rail 111. Please refer to Figure 3 The swing assembly 110 has two groups, and the two first Y-axis slide rails 111 are both installed on the top surface of the second base plate 210, the first base plate 1211 is installed on the top surfaces of the two first Y-axis sliders 112, and the output end of the cam motor 130 passes through the first base plate 1211 and is arranged on one of the first Y-axis sliders 112; wherein, through the action of the cam motor 130 on the swing assembly 110, the wiping head assembly 120 can be continuously swung left and right on the first Y-axis slide rail 111 under the action of the cam motor 130, simulating a manual wiping action, which is conducive to maintaining a consistent wiping force and a consistent wiping effect.

[0057] Please refer to Figure 3 , Figure 4 and Figure 5 , further comprising a protection assembly 121, the protection assembly 121 comprising a pressure detection unit 124, a first base plate 1211, and a first X-axis slide rail 1212 and a first X-axis slider 1213 in sliding connection, the first base plate 1211 being mounted on the first Y-axis slider 112, the first X-axis slide rail 1212 being mounted on the first base plate 1211, and the output end of the cam motor 130 passing through the first base plate 1211 and connected to the first Y-axis slider 112. Please refer to Figure 5 The wiping head assembly 120 further includes an injection valve 122, a wiping head body 123 and a top rotating wheel assembly 125. The wiping head body 123 is disposed on the first X-axis slider 1213, the pressure detection unit 124 is disposed on the wiping head body 123, the top rotating wheel assembly 125 is disposed on the first bottom plate 1211, the injection valve 122 is disposed beside the top rotating wheel assembly 125, and the output end of the injection valve 122 is in the same direction as the wiping head body 123. Please refer to Figure 3The protection component 121 is designed to buffer the pressure of the wiping cloth 500 when pressing the wiping head body 123. The pressure detection unit 124 adopts a pressure sensor. When the wiping head body 123 is subjected to pressure, the pressure detection unit 124 transmits the pressure value to the control system (not shown in the figure), so that the wiping head body 123 can move in the X-axis direction. When the wiping cloth 500 presses the wiping head too tightly, or the wiping head body 123 is subjected to excessive pressure, the control system controls the wiping head body 123 to slide on the first X-axis slide rail 1212 after receiving feedback from the pressure detection unit 124, so as to release the excessive force, which is conducive to keeping the wiping cloth 500 at an appropriate tightness.

[0058] Please refer to Figure 5 The injection valve 122 is a dispensing valve, which is electrically connected to the control system. The injection valve 122 automatically sprays the wiping liquid onto the wiping cloth regularly according to the wiping situation, without manual operation, which is conducive to automation. The pressure detection unit 124 is conducive to monitoring the magnitude of the force applied to the wiping head body 123, which is conducive to increasing durability. The top rotating wheel assembly 125 is conducive to reasonably arranging the path of the wiping cloth 500, and winding the cloth according to the specified path, so that the wiping head body 123 can reasonably and continuously wipe the target part; the top rotating wheel assembly 125 is arranged on the four corners of the first bottom plate 1211, and is used to arrange the wiping cloth 500.

[0059] Please refer to Figures 1 to 12 This embodiment also provides a tensioning and wiping device, please refer to Fig.11 The upper and lower material assembly 220, the tensioning and fixing assembly 230 and the above-mentioned wiping mechanism 100 are all arranged on the second bottom plate 210. The upper and lower material assembly 220 is used to automatically reel in and replace according to the wiping frequency and the degree of dirtiness, and only the wiping cloth 500 needs to be manually loaded. The tensioning and fixing assembly 230 is used to tension and fix the wiping cloth 500 through the tensioning and fixing assembly 230 to prevent the wiping cloth 500 from being loosened, which is conducive to maintaining the operation of the entire wiping process.

[0060] Please refer to Figure 6 and Figure 7The tensioning and fixing assembly 230 includes a support frame 231, at least one cylinder 232, at least one pressure wheel mechanism 233, and at least one fixed wheel 234. The support frame 231 is arranged on the second base plate 210, the cylinder 232 is installed on the support frame 231, the fixed wheel 234 is movably adapted on the support frame 231, and the pressure wheel mechanism 233 is arranged on the output end of the cylinder 232 and is located on one side of the fixed wheel 234. The support frame 231 can adopt a combined structure or an integrated structure such as sheet metal or profiles. The support frame 231 includes an upper plate, a lower plate and a side plate. Two cylinders 232 are installed on the rear wall of the support frame 231. A pressure wheel mechanism 233 is provided at the output end of the cylinder 232. The pressure wheel mechanism 233 is used to press and fix the fixed wheel 234 that has been wrapped with the wiping cloth 500. When the wiping cloth 500 on the fixed wheel 234 is too loose, the pressure is insufficient. The output end of the cylinder 232 extends to press the pressure wheel mechanism 233 against the fixed wheel 234, so that the wiping cloth 500 is in a pressure state, thereby realizing the fixing function and preventing the wiping cloth 500 from falling.

[0061] Please refer to Figure 6 The tensioning and fixing assembly 230 also includes two rolling support rods 236 disposed on the support frame 231, and two guide rods 240 are also disposed on the second bottom plate 210. Please refer to Fig.10 and Fig.11 The arrangement path of the wiping cloth 500 is wound around the rolling support rod 236, the guide rod 240, the fixed wheel 234, the top rotating wheel assembly 125 and the wiping head body 123.

[0062] Please refer to Figure 7 The tensioning and fixing assembly 230 further includes a transmission module 235, which includes a first conveyor belt 2351, a stepper motor 2352 and at least one first tensioning wheel 2353. The first conveyor belt 2351 is sleeved on the transmission end of all the fixed wheels 234 and the output end of the stepper motor 2352. At least one first tensioning wheel 2353 is arranged on the second bottom plate 210 and abuts against the first conveyor belt 2351. The stepper motor 2352 drives the fixed wheel 234 to rotate through the first conveyor belt 2351. The first tensioning wheel 2353 is used to tension the first conveyor belt 2351, increase the surface pressure of the first conveyor belt 2351, and is conducive to the tightening of the first conveyor belt 2351, so that the transmission process proceeds smoothly.

[0063] Please refer to Figure 8 and Fig. 9The pressing wheel mechanism 233 includes a slide 2331, a support shaft 2332 and a pressing wheel 2333. The slide 2331 is arranged at the output end of the cylinder 232, the support shaft 2332 is arranged on the slide 2331, and the pressing wheel 2333 is sleeved on the support shaft 2332. The slide 2331 can be provided with two support shafts 2332, and the pressing wheel 2333 can be sleeved on the support shaft 2332. When the wiping cloth 500 on the fixed wheel 234 is too loose, the output end of the cylinder 232 pushes the slide 2331 to make the two pressing wheels 2333 abut against the fixed wheel 234. The fixed wheel 234 can drive the pressing wheel 2333 to rotate, and at the same time, the wiping cloth 500 on the fixed wheel 234 is fixed on the side wall, which is conducive to realizing the fixing function and preventing the wiping cloth 500 from falling off.

[0064] Please refer to Fig.10 , Fig.11 and Fig.12 The loading and unloading assembly 220 includes a loading module 221, a winding module 222, a second conveyor belt 223, a second tensioning wheel 224 and a winding motor 225 installed on the second bottom plate 210. The second conveyor belt 223 is sleeved on the transmission end of the receiving roll module 222 and the output end of the winding motor 225. The second tensioning wheel 224 is arranged on the second bottom plate 210 and abuts on the second conveyor belt 223. The loading and unloading assembly 220 realizes that the wiping cloth 500 can be automatically rolled up by only manually loading the wiping cloth 500. The winding module 222, the second conveyor belt 223, the second tensioning wheel 224 and the winding motor 225 are used to realize the automatic winding of the wiping cloth 500. The second conveyor belt 223 is sleeved on the winding module 222 and the output end of the winding motor 225. The second tensioning wheel 224 presses the second conveyor belt 223 to be in a taut state, so that the transmission process proceeds smoothly.

[0065] Please refer to Fig.13The present embodiment also provides an automatic spray wiping device, which also includes a second X-axis sliding assembly 300, a second Y-axis sliding assembly 400, and a tensioning wiping device 200. The tensioning wiping device 200 is arranged on the second X-axis sliding assembly 300, and the second X-axis sliding assembly 300 is arranged on the second Y-axis sliding assembly 400. The automatic spray wiping device also includes a control system. The injection valve 122 is electrically connected to the control system, and can automatically and regularly spray the wiping liquid onto the wiping cloth according to the wiping situation. The second Y-axis sliding assembly 400 is an iron core linear motor. The second X-axis sliding assembly 300 is arranged on the linear motor. The second Y-axis sliding assembly 400 provides mechanical energy for linear motion for the tensioning wiping device 200, so that the tensioning wiping device 200 can move repeatedly in the Y-axis direction; the second X-axis sliding assembly 300 is an embedded screw slide. The track embedded screw slide achieves a compact structural design and high rigidity by embedding the screw and the nut inside the guide track of the slide. It is suitable for linear motion control applications with high requirements on space and precision. The second X-axis sliding assembly 300 provides driving force in the X-axis direction for the tensioning wiping device 200. Through the movement of the second X-axis sliding assembly 300 and the second Y-axis sliding assembly 400, the wiping head can automatically reciprocate in a specified path.

[0066] Please refer to Fig.13 The second X-axis sliding assembly 300 includes a slide rail motor 310, a second X-axis slider 320 and a second X-axis slide rail 330. The output end of the slide rail motor 310 is connected to the second X-axis slide rail 330, and the second X-axis slider 320 is slidably connected to the second X-axis slide rail 330. The second X-axis sliding assembly 300 also includes a third bottom plate 340, and the second X-axis slide rail 330, the second X-axis slider 320 and the slide rail motor 310 are all arranged on the third bottom plate 340.

[0067] The use process of the automatic spray wiping device provided by the utility model is as follows:

[0068] The arrangement path of the wiping cloth 500 will be wound around the rolling support rod 236, the guide rod 240, the fixed wheel 234, the top rotating wheel assembly 125 and the wiping head body 123. The cam motor 130 acts on the swing assembly 110. The wiping head assembly 120 can be continuously swung left and right on the first Y-axis slide rail 111 under the action of the cam motor 130 to simulate the manual wiping action. The wiping liquid is automatically sprayed onto the wiping cloth regularly according to the wiping situation. When the wiping head body 123 is subjected to pressure, the pressure detection unit 124 transmits the pressure value to the control system (not shown in the figure), so that the wiping head body 123 can move in the X-axis direction. When the fixed wheel 234 When the wiping cloth 500 on the conveyor belt 2351 is too loose, its pressure is insufficient, and the output end of the cylinder 232 extends to press the pressing wheel mechanism 233 against the fixed wheel 234, so that the wiping cloth 500 is in a pressure state, thereby realizing the fixing function and preventing the wiping cloth 500 from falling. The stepping motor 2352 drives the fixed wheel 234 to rotate through the first conveyor belt 2351. The first tensioning wheel 2353 is used to tension the first conveyor belt 2351 and increase the surface pressure of the first conveyor belt 2351, which is beneficial to the tightening of the first conveyor belt 2351 and makes the transmission process proceed smoothly. During the feeding process, the wiping cloth 500 can be fed manually, and the wiping cloth 500 is automatically wound up by the winding motor 225. Through the movement of the second X-axis sliding assembly 300 and the second Y-axis sliding assembly 400, the wiping head can automatically reciprocate in a specified path.

[0069] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wiping mechanism, characterized in that: include: The swing assembly (110) comprises a first Y-axis slide rail (111) and a first Y-axis slider (112) which are slidably connected; a wiping head assembly (120), wherein the wiping head assembly (120) is arranged on the first Y-axis slider (112); A cam motor (130), wherein an output end of the cam motor (130) is connected to the first Y-axis slider (112); under the drive of the cam motor (130), the first Y-axis slider (112) can drive the wiping head assembly (120) to move back and forth along the first Y-axis slide rail (111).

2. The wiping mechanism according to claim 1, characterized in that: The invention also comprises a protection component (121), wherein the protection component (121) comprises a pressure detection unit (124), a first base plate (1211), and a first X-axis slide rail (1212) and a first X-axis slider (1213) which are slidably connected, wherein the first base plate (1211) is mounted on the first Y-axis slider (112), the first X-axis slide rail (1212) is mounted on the first base plate (1211), and the output end of the cam motor (130) passes through the first base plate (1211) and is connected to the first Y-axis slider (112).

3. The wiping mechanism according to claim 2, characterized in that: The wiping head assembly (120) further comprises an injection valve (122) and a wiping head body (123); the wiping head body (123) is arranged on the first X-axis slider (1213); the pressure detection unit (124) is arranged on the wiping head body (123); and the output end of the injection valve (122) and the wiping head body (123) are in the same direction.

4. A tensioning wiping device, characterized in that: It comprises a second bottom plate (210), a loading and unloading assembly (220), a tensioning and fixing assembly (230), and a wiping mechanism (100) according to any one of claims 1 to 3, wherein the wiping mechanism (100), the loading and unloading assembly (220), and the tensioning and fixing assembly (230) are all arranged on the second bottom plate (210).

5. The tensioning wiping device according to claim 4, characterized in that: The tensioning and fixing assembly (230) comprises a support frame (231), at least one air cylinder (232), at least one pressure wheel mechanism (233), and at least one fixed wheel (234); the support frame (231) is arranged on the second bottom plate (210); the air cylinder (232) is mounted on the support frame (231); the fixed wheel (234) is movably adapted on the support frame (231); and the pressure wheel mechanism (233) is arranged on the output end of the air cylinder (232) and is located on one side of the fixed wheel (234).

6. The tensioning wiping device according to claim 5, characterized in that: The tensioning and fixing assembly (230) further comprises a transmission module (235), wherein the transmission module (235) comprises a first conveyor belt (2351), a stepper motor (2352) and at least one first tensioning wheel (2353), wherein the first conveyor belt (2351) is sleeved on the transmission ends of all the fixing wheels (234) and the output end of the stepper motor (2352), and the at least one first tensioning wheel (2353) is arranged on the second bottom plate (210) and abuts against the first conveyor belt (2351).

7. The tensioning wiping device according to claim 5, characterized in that: The pressing wheel mechanism (233) comprises a slide seat (2331), a support shaft (2332) and a pressing wheel (2333); the slide seat (2331) is arranged at the output end of the cylinder (232); the support shaft (2332) is arranged on the slide seat (2331); and the pressing wheel (2333) is sleeved on the support shaft (2332).

8. The tensioning and wiping device according to any one of claims 4 to 7, characterized in that: The loading and unloading assembly (220) comprises a loading module (221), a winding module (222), a second conveyor belt (223), a second tensioning wheel (224) and a winding motor (225) installed on the second bottom plate (210); the second conveyor belt (223) is sleeved on the transmission end of the winding module (222) and the output end of the winding motor (225); the second tensioning wheel (224) is arranged on the second bottom plate (210) and abuts against the second conveyor belt (223).

9. An automatic spray wiping device, characterized in that: The invention comprises a second X-axis sliding assembly (300), a second Y-axis sliding assembly (400), and a tensioning and wiping device (200) according to any one of claims 4 to 8, wherein the tensioning and wiping device (200) is arranged on the second X-axis sliding assembly (300), and the second X-axis sliding assembly (300) is arranged on the second Y-axis sliding assembly (400).

10. The automatic spray wiping device according to claim 9, characterized in that: The second X-axis sliding assembly (300) comprises a slide rail motor (310), a second X-axis slider (320) and a second X-axis slide rail (330); the output end of the slide rail motor (310) is connected to the second X-axis slide rail (330), and the second X-axis slider (320) is slidably connected to the second X-axis slide rail (330).

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