Tension adjusting device for producing automobile paint protective film

Abstract

The utility model provides a tension adjusting device for production of an automobile paint protective film, which belongs to the field of production of automobile paint protective films and comprises a workbench, a tension adjusting mechanism is arranged at the top of the workbench, and a quick release mechanism is arranged on the tension adjusting mechanism. Through the arrangement of the tension adjusting mechanism, during use, the two air expansion shafts can fix an external unwinding roller wound with a protective film and a winding roller used for winding the protective film, then the protective film penetrates through the space between the first round roller and the second round roller, the winding roller rotates to collect the protective film, and when tension needs to be adjusted, the winding roller rotates to drive the winding roller to rotate to drive the winding roller to rotate. The servo motor drives the lead screw to rotate, so that the first round roller and the second round roller descend, the tension of the protective film is adjusted, through the arrangement of the quick release mechanism, when the winding roller and the unwinding roller need to be replaced, the supporting plate is rotated, the air expansion shaft moves out along the mounting groove, then air in the air expansion shaft is discharged, and then replacement is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production field of automobile paint protection film, and concretely relates to a tension adjusting device for automobile paint protection film production. BACKGROUND

[0002] As an important automobile beautifying and protecting product, the quality control in the production process of automobile paint protection film is very important. The protection film needs to go through multiple links such as gluing, curing and winding, and tension adjustment is one of the key technologies to ensure the quality of the protection film and the winding effect.

[0003] After searching, the prior art discloses a convenient-to-adjust winding device for automobile protection film production in a Chinese patent with the patent announcement number CN216836330U, which comprises a workbench, a support group is arranged on the workbench, a rotating drum is rotatably installed on the support group, the rotating drum is installed on the workbench through the support group, and a fixing mechanism is arranged in the rotating drum. The winding device for automobile protection film production can stably install the roller with an inner diameter larger than the outer diameter of the rotating drum on the rotating drum without replacing the additional rotating drum, thereby reducing the production cost. In addition, the winding problem caused by the insufficient tightness between the rotating drum and the roller during the winding process of the rotating drum can be avoided. However, the following defects still exist:

[0004] The device can only wind the protection film during use, and lacks a device for adjusting the tension during winding. Therefore, if the tension during winding is improper, the surface of the protection film may be damaged, such as scratches and wrinkles, which will affect the protection performance of the protection film.

[0005] Therefore, we improve it and propose a tension adjusting device for automobile paint protection film production. UTILITY MODEL CONTENTS

[0006] The utility model aims at the existing tension adjusting device for automobile paint protection film production, which can only wind the protection film during use and lacks a device for adjusting the tension during winding. Therefore, if the tension during winding is improper, the surface of the protection film may be damaged, such as scratches and wrinkles, which will affect the protection performance of the protection film.

[0007] In order to achieve the above utility model purposes, the utility model provides the following technical scheme:

[0008] The tension adjusting device for automobile paint protection film production is used to improve the above problems.

[0009] The utility model discloses a specific as follows:

[0010] Including work table, the top of work table is provided with tension adjusting mechanism, is provided with quick release mechanism on tension adjusting mechanism;

[0011] Tension adjusting mechanism includes gas inflation axle, first frame, second frame, servo motor, screw rod, guide rod, first sliding block, second sliding block, first round roller and second round roller, two gas inflation axle sets up respectively in the top both ends of work table, first frame and second frame all set up in the top of work table, servo motor is connected in the top of first frame, screw rod rotation is connected in the inside of first frame, guide rod fixedly connected in the inside of second frame, first sliding block is connected in the outside of screw rod, second sliding block slidingly connects in the outside of guide rod, both ends of first round roller and second round roller all rotationally connect in the side wall of first sliding block and second sliding block.

[0012] As a preferred technical scheme of the utility model, the quick release mechanism includes a vertical rod, a mounting groove, a bearing, a support plate, and a rotating plate, the vertical rod is connected to a corner of one end of the top of the workbench, the mounting groove is formed in the side wall of the vertical rod, the bearing is fixedly connected to the outer wall of one end of the gas inflation axle, the support plate is oppositely arranged on one side of the vertical rod, the rotating plate is rotationally connected to the top of the support plate, and the gas inflation axle is rotationally connected to the rotating plate at the end away from the bearing.

[0013] As a preferred technical scheme of the utility model, a rectangular plate is fixedly connected to the side wall of the vertical rod, a screw rod is threadedly connected to the inside of the rectangular plate, and a semicircular plate is rotationally connected to the top of the screw rod.

[0014] As a preferred technical scheme of the utility model, a rotating ball is rotationally connected to the top of the semicircular plate, an annular groove is formed in one end of the gas inflation axle, and the outer wall of the rotating ball is tightly attached to the inner wall of the annular groove.

[0015] As a preferred technical scheme of the utility model, a speed reducer is fixedly connected to the side wall of the rotating plate, and the output end of the speed reducer is coaxially arranged at one end of the gas inflation axle.

[0016] As a preferred technical scheme of the utility model, a hexagonal nut is welded to the bottom of the screw rod.

[0017] As a preferred technical scheme of the utility model, the first round roller and the second round roller are electrostatic dust rollers.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] In the scheme of the utility model:

[0020] 1. By setting the tension adjusting mechanism, two air inflation shafts can fix the unwinding roller with protective film wound outside and the winding roller for winding protective film when in use, then the protective film is passed between the first and second rollers, and the winding roller rotates to collect the protective film, when the tension needs to be adjusted, the servo motor drives the screw rod to rotate, so that the first and second rollers are lowered to adjust the tension of the protective film.

[0021] 2. By setting the quick release mechanism, the support plate and the rotating plate can provide support for the air inflation shaft when in use, when the winding roller and the unwinding roller need to be replaced, the support plate can be rotated to move the air inflation shaft out along the mounting groove, then the gas in the air inflation shaft is released, so that the winding roller and the unwinding roller are no longer fixed, and the replacement is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The structure diagram of the tension adjusting device for automobile paint protective film production provided by the utility model;

[0023] Figure 2 The left view of the tension adjusting device for automobile paint protective film production provided by the utility model;

[0024] Figure 3 The tension adjusting device for automobile paint protective film production provided by the utility model Figure 2 The sectional view of the A-A position in the tension adjusting device for automobile paint protective film production;

[0025] Figure 4 The sectional view of the B-B position in the tension adjusting device for automobile paint protective film production provided by the utility model; Figure 2

[0026] Figure 5 The sectional view of the B-B position in the tension adjusting device for automobile paint protective film production provided by the utility model; Figure 3

[0027] Indicated in the figure:

[0028] 1, workbench; 2, tension adjusting mechanism; 3, quick release mechanism; 4, rectangular plate; 5, screw rod; 6, semicircular plate; 7, rotating ball; 8, annular groove; 9, speed reducer motor; 10, hexagonal nut; 201, air inflation shaft; 202, first frame; 203, second frame; 204, servo motor; 205, screw rod; 206, guide rod; 207, first sliding block; 208, second sliding block; 209, first roller; 210, second roller; 301, vertical rod; 302, mounting groove; 303, bearing; 304, support plate; 305, rotating plate. DETAILED DESCRIPTION

[0029] ​​In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0031] It should be noted that the embodiments and the features and technical schemes in the embodiments in the utility model can be combined with each other without conflict.

[0032] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] As Figures 1-5 shown, the present embodiment proposes a tension adjusting device for automobile paint protection film production, which comprises a workbench 1, the top of the workbench 1 is provided with a tension adjusting mechanism 2, the tension adjusting mechanism 2 is provided with a quick release mechanism 3;

[0034] As Figure 3 and Figure 4As shown, the tension adjusting mechanism 2 comprises two gas expansion shafts 201, a first frame 202, a second frame 203, a servo motor 204, a lead screw 205, a guide rod 206, a first sliding block 207, a second sliding block 208, a first round roller 209 and a second round roller 210. The two gas expansion shafts 201 are arranged at the opposite ends of the top of the workbench 1. The first frame 202 and the second frame 203 are arranged on the top of the workbench 1. The servo motor 204 is bolted to the top of the first frame 202. The lead screw 205 is rotatably connected to the inside of the first frame 202 and is perpendicular to the upper surface of the workbench 1. The guide rod 206 is fixedly connected to the inside of the second frame 203. The first sliding block 207 is threadedly connected to the outside of the lead screw 205. The second sliding block 208 is slidably connected to the outside of the guide rod 206. The two ends of the first round roller 209 and the second round roller 210 are rotatably connected to the side walls of the first sliding block 207 and the second sliding block 208. The first round roller 209 and the second round roller 210 are arranged in parallel. There is a gap between the first round roller 209 and the second round roller 210 for the protective film to pass through. The number of the gas expansion shafts 201 is two, and they are located at the opposite sides of the first frame 202. The first frame 202 and the second frame 203 are located between the two gas expansion shafts 201. One of the gas expansion shafts 201 is used to expand and fix the unwinding roller, and the other gas expansion shaft 201 is used to expand and fix the winding roller. The output end of the servo motor 204 is coaxially arranged with the top end of the lead screw 205 and can drive the lead screw 205 to rotate. In use, the unwinding roller with the protective film wound thereon and the winding roller for winding the protective film are placed on the two gas expansion shafts 201, and then gas is injected into the inside of the gas expansion shafts 201. The structure of the gas expansion shaft 201 expands to support the inner wall of the roller shaft, so that the unwinding roller and the winding roller outside are fixed. Then the end of the protective film on the unwinding roller passes through the gap between the first round roller 209 and the second round roller 210, and then the end of the protective film is fixed on the winding roller. Then the winding operation can be performed. When the tension needs to be adjusted, the user starts the servo motor 204 according to the own needs. The servo motor 204 drives the lead screw 205 to rotate, so that the first round roller 209 and the second round roller 210 descend, and the protective film between the first round roller 209 and the second round roller 210 is pressed down, thereby adjusting the tension of the protective film.

[0035] As Figure 4 and Figure 5As shown, the quick release mechanism 3 comprises a vertical rod 301, a mounting groove 302, a bearing 303, a support plate 304 and a rotating plate 305, the vertical rod 301 is bolted to the top end corner of the workbench 1, the mounting groove 302 is opened on the side wall of the vertical rod 301, the bearing 303 is fixedly connected to the outer wall of one end of the gas expansion shaft 201, the support plate 304 is also fixed to the workbench 1, the support plate 304 is oppositely arranged on one side of the vertical rod 301, the rotating plate 305 is rotatably connected to the top of the support plate 304, the rotating plate 305 can rotate horizontally around the top of the support plate 304, the end of the gas expansion shaft 201 away from the bearing 303 penetrates the rotating plate 305 and is rotatably connected with the rotating plate 305 (the rotation is around the axis of the gas expansion shaft 201), the number of the vertical rod 301, the mounting groove 302, the bearing 303, the support plate 304 and the rotating plate 305 is two, and they are oppositely arranged, and the bearing 303 and the mounting groove 302 on the other end of the two gas expansion shafts 201 are slidably connected, the support plate 304, the rotating plate 305, the vertical rod 301 and the mounting groove 302 can support the gas expansion shaft 201 during use, facilitating the rotation of the two gas expansion shafts 201, when it is necessary to disassemble the unwinding roller and the winding roller located on the two gas expansion shafts 201, the rotating plate 305 can be rotated horizontally around the top of the support plate 304, so that the bearing 303 is separated from the mounting groove 302, then the gas in the gas expansion shaft 201 is discharged, and then the unwinding roller and the winding roller can be disassembled, facilitating the operation of workers.

[0036] As shown in Figure 5 The side wall of the vertical rod 301 is fixedly connected with a rectangular plate 4, the rectangular plate 4 is provided with a threaded hole, a threaded rod 5 is threadedly connected in the threaded hole, a semicircular plate 6 is rotatably connected to the top of the threaded rod 5, the threaded rod 5 is vertically arranged, and the semicircular plate 6 can remain in a stationary state when the threaded rod 5 rotates around its axis, the number of the rectangular plate 4, the threaded rod 5 and the semicircular plate 6 is two, and they are respectively arranged on the side walls of the two vertical rods 301, when the gas expansion shaft 201 rotates, one side of the mounting groove 302 lacks support for the bearing 303, at this time, the threaded rod 5 is rotated, so that the arc surface of the inner wall of the semicircular plate 6 is in contact with the outer wall of the gas expansion shaft 201, thereby limiting the semicircular plate 6, preventing the gas expansion shaft 201 from being separated from the mounting groove 302 when rotating.

[0037] As shown in Figure 5 The top of the semicircular plate 6 is rotatably connected with a rotating ball 7, one end of the gas expansion shaft 201 is provided with an annular groove 8, the outer wall of the rotating ball 7 is closely fitted with the inner wall of the annular groove 8, the number of the rotating ball 7 is several, and they are distributed along the semicircular plate 6 along the central axis, when one end of the gas expansion shaft 201 is limited by the semicircular plate 6, the rotating ball 7 can reduce the friction between the semicircular plate 6 and one end of the gas expansion shaft 201.

[0038] As shown in Figure 1As shown, the side wall of the rotating plate 305 is fixedly connected with a speed reducer 9, the output end of the speed reducer 9 is coaxially arranged at one end of the gas expansion shaft 201, the number of the speed reducer 9 is two, and the output ends of the two speed reducers 9 are fixedly connected with one end of the two gas expansion shafts 201, so that the two speed reducers 9 can control the rotating speed of the two gas expansion shafts 201 during use, and can automatically wind the protective film.

[0039] As shown in the figure, Figure 5 As shown, the bottom of the screw rod 5 is welded with a hexagon nut 10, which can be conveniently rotated by an external wrench during use.

[0040] As shown in the figure, Figure 3 As shown, the first circular roller 209 and the second circular roller 210 are electrostatic dust rollers, and the first circular roller 209 and the second circular roller 210 are connected with an external power supply, so that the electrostatic dust roller generates static electricity through the power supply during use, and the high-voltage power supply is used to charge the surface of the first circular roller 209 and the second circular roller 210, forming an electrostatic field, and the dust particles on the protective film are adsorbed by the electrostatic force on the surface of the first circular roller 209 and the second circular roller, thereby improving the cleanliness of the protective film during winding.

[0041] Specifically, the tension adjusting device for producing the automobile paint protective film in use: the servo motor 204, the speed reducer 9, the first circular roller 209 and the second circular roller 210 are connected with an external power supply, then the unwinding roller wound with the protective film and the unwinding roller for winding the protective film are placed on the two gas expansion shafts 201, then the gas is injected into the interior of the gas expansion shaft 201, so that the external unwinding roller and the winding roller are fixed, then one end of the protective film on the unwinding roller passes between the first circular roller 209 and the second circular roller 210, then one end of the protective film is fixed on the winding roller, then the winding operation can be performed, when the tension needs to be adjusted, the user starts the servo motor 204 according to the own demand, the servo motor 204 drives the screw rod 205 to rotate, so that the first circular roller 209 and the second circular roller 210 descend, thereby adjusting the tension, and the high-voltage power supply is used to charge the surface of the first circular roller 209 and the second circular roller 210, forming an electrostatic field, and the dust particles on the protective film are adsorbed by the electrostatic force on the surface of the first circular roller 209 and the second circular roller, thereby improving the cleanliness of the protective film during winding, when the unwinding roller and the winding roller located on the two gas expansion shafts 201 need to be disassembled, the rotating plate 305 is rotated, so that the bearing 303 is separated from the mounting groove 302, then the gas in the interior of the gas expansion shaft 201 is discharged, then the unwinding roller and the winding roller can be disassembled, which is convenient for workers to operate.

[0042] All the technical features in the embodiment can be freely combined according to actual needs.

[0043] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A tension adjusting device for the production of a car paint protection film, comprising a worktable (1), characterized in that, The top of the workbench (1) is provided with a tension adjusting mechanism (2), and the tension adjusting mechanism (2) is provided with a quick release mechanism (3); The tension adjusting mechanism (2) comprises two air expansion shafts (201), a first frame body (202), a second frame body (203), a servo motor (204), a lead screw (205), a guide rod (206), a first sliding block (207), a second sliding block (208), a first round roller (209) and a second round roller (210), the two air expansion shafts (201) are respectively arranged at the two ends of the top of the workbench (1), the first frame body (202) and the second frame body (203) are arranged on the top of the workbench (1), the servo motor (204) is hinged to the top of the first frame body (202), the lead screw (205) is rotatably connected to the inside of the first frame body (202), the guide rod (206) is fixedly connected to the inside of the second frame body (203), the first sliding block (207) is threadedly connected to the outside of the lead screw (205), the second sliding block (208) is slidably connected to the outside of the guide rod (206), and the two ends of the first round roller (209) and the second round roller (210) are rotatably connected to the side walls of the first sliding block (207) and the second sliding block (208).

2. The tension adjusting device for the production of an automobile paint surface protection film according to claim 1, characterized by, The quick release mechanism (3) comprises a vertical rod (301), a mounting groove (302), a bearing (303), a supporting plate (304) and a rotating plate (305), the vertical rod (301) is hinged to one end of the top corner of the workbench (1), the mounting groove (302) is formed in the side wall of the vertical rod (301), the bearing (303) is fixedly connected to one end of the air expansion shaft (201), the supporting plate (304) is oppositely arranged on one side of the vertical rod (301), the rotating plate (305) is rotatably connected to the top of the supporting plate (304), and one end of the air expansion shaft (201) away from the bearing (303) penetrates through the rotating plate (305) and is rotatably connected with the rotating plate (305).

3. The tension adjusting device for the production of an automobile paint surface protection film according to claim 2, characterized by, A rectangular plate (4) is fixedly connected to the side wall of the vertical rod (301), a screw rod (5) is threadedly connected to the inside of the rectangular plate (4), and a semicircular plate (6) is rotatably connected to the top of the screw rod (5).

4. The tension adjusting device for the production of an automobile paint surface protection film according to claim 3, characterized in that, A rotating ball (7) is rotatably connected to the top of the semicircular plate (6), and an annular groove (8) is formed in one end of the air expansion shaft (201), and the outer wall of the rotating ball (7) is tightly attached to the inner wall of the annular groove (8).

5. The tension adjusting device for the production of an automobile paint surface protection film according to claim 2, characterized by, A speed reducer (9) is fixedly connected to the side wall of the rotating plate (305), and the output end of the speed reducer (9) is coaxially arranged at one end of the air expansion shaft (201).

6. The tension adjusting device for the production of an automobile paint surface protection film according to claim 3, characterized by A hexagonal nut (10) is welded to the bottom of the screw rod (5).

7. The tension adjusting device for the production of an automobile paint protection film according to claim 1, characterized in that, The first round roller (209) and the second round roller (210) are electrostatic dust rollers.

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