Anti-static detection device for PET (Polyethylene Terephthalate) film

Abstract

The utility model relates to the technical field of PET (Polyethylene Terephthalate) film detection equipment, in particular to an antistatic detection device for a PET film. The two PET film rollers are arranged on the detection frame and driven by a synchronous motor to complete movement of a PET film, and the PET film penetrates through the detection frame and is movably connected with the detection frame; the detecting and leveling mechanism is arranged on the detecting frame and is used for leveling the surface of the PET film; the electrostatic detector is arranged on the detection leveling mechanism and is used for carrying out electrostatic detection on the PET film; the lifting mechanism is arranged on the detection frame and is used for adjusting the height of the electrostatic detector; and the pressurizing mechanism is arranged on one side of the detection frame and is used for tensioning the PET film. According to the utility model, the PET film can be conveniently detected at different positions through the movement of the PET film and the mode that the lifting mechanism drives the electrostatic detector to lift, the detection accuracy is improved, and meanwhile, the to-be-detected position of the PET film can be leveled through the adjusting frame and the leveling roller, so that the antistatic detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PET film detection equipment, in particular to an antistatic detection device for PET film. Background Art

[0002] In order to improve the protection effect during the production and transportation of some products, it is necessary to wrap a layer of PET film around the product. PET film is a packaging film with relatively comprehensive performance, good transparency, gloss, good air tightness and fragrance retention, and medium moisture resistance. Its moisture permeability decreases at low temperatures, and it also has excellent heat resistance, cold resistance, good chemical resistance and oil resistance. However, it is easy to carry static electricity, so anti-static testing is required during the production process of PET film.

[0003] In the prior art, there is a PET diffusion membrane antistatic detection device (publication number: CN212060442U), whose structure includes a base and a shell, a plurality of guide columns are fixed to the upper surface of the base by bolts, a rubber rod is fixed to one side of the guide column, a pressure roller is movably connected to one side of the guide column, and a fixed sleeve is sleeved on one side of the guide column, two connecting columns are fixed to the inner wall of one side of the shell by bolts, a limiting ring is fixed to one end of the connecting column by bolts, a spring is fixed to one side of the limiting ring by bolts, and a first measuring block and a second measuring block are fixed to one end of the spring by bolts. The utility model improves the detection effect, better detects the static electricity of the PET diffusion film, avoids manual secondary operation, saves time and effort, and in order to improve the PET diffusion film to better contact the rubber rod during the rotation, the friction of the diffusion film is more sufficient, and the effect of frictional charging is improved, the addition of a drying box is to keep the detection device fully dry and accelerate the dissipation of moisture. Although the PET diffusion film anti-static detection device improves the detection effect, better detects the static electricity of the PET diffusion film, avoids manual secondary operation, saves time and effort, in order to improve the PET diffusion film to better contact the rubber rod during the rotation, the friction of the diffusion film is more sufficient, and the effect of frictional charging is improved, the addition of a drying box is to keep the detection device fully dry and accelerate the dissipation of moisture.

[0004] However, in the actual testing process, due to the flexible nature of the PET film, wrinkles are prone to occur, which can easily affect the conduction of static electricity during the testing process and further affect the test results. Utility Model Content

[0005] In view of the problems existing in the background technology, a PET film antistatic detection device is proposed.

[0006] The utility model proposes an anti-static detection device for PET film, comprising two PET film rollers which are arranged on a detection frame and driven by a synchronous motor to complete the movement of the PET film, wherein the PET film passes through the detection frame and is movably connected with the detection frame; a detection and leveling mechanism which is arranged on the detection frame and is used to level the surface of the PET film; an electrostatic detector which is arranged on the detection and leveling mechanism and is used to detect the electrostatic charge of the PET film; a lifting mechanism which is arranged on the detection frame and is used to adjust the height of the electrostatic detector; and a pressurizing mechanism which is arranged on one side of the detection frame and is used to tighten the PET film.

[0007] Preferably, the detection and leveling mechanism includes a contact plate arranged on the detection frame, an adjustment frame is arranged on one side of the contact plate, an L-shaped connecting block is slidably installed on the adjustment frame, a leveling roller is rotatably installed on the L-shaped connecting block, the PET film is located between the leveling roller and the contact plate, and an electric push rod is installed on the L-shaped connecting block.

[0008] Preferably, a mounting plate is installed on the adjustment frame, an electrostatic detector is installed on the mounting plate, two through holes are provided on the mounting plate, two electrodes are provided on the electrostatic detector, the two electrodes are adapted to the two through holes, an electrode pushing assembly is provided on the mounting plate, the electrode pushing assembly is connected to the two electrodes, and is used to push the two electrodes to move horizontally.

[0009] Preferably, the electrode pushing assembly includes a mounting frame mounted on a mounting plate, a movable screw is rotatably mounted on the mounting frame, a movable frame is threadedly mounted on the movable screw, the movable frame is connected to the two electrodes, the movable frame is slidably connected to the mounting frame, a movable motor is mounted on the mounting frame, and the output end of the movable motor is connected to the movable screw.

[0010] Preferably, a protective frame is installed on the detection frame, and the protective frame is connected to the detection frame through a connecting port. The lifting mechanism includes a nut rotatably installed in the connecting port, a lifting screw is threadedly installed on the nut, a lifting plate is rotatably installed on the bottom end of the lifting screw, and a lifting motor is provided on the protective frame, and the lifting motor is connected to the nut by gear meshing.

[0011] Preferably, the pressure mechanism includes a fixed frame installed on the detection frame, an elastic block is slidably installed on the fixed frame, a pressure spring is provided on the elastic block, one end of the pressure spring is connected to the fixed frame, a connecting frame is installed on the elastic block, a pressure roller is rotatably installed on the connecting frame, and the pressure roller is in contact with the PET film.

[0012] Preferably, a translation plate is slidably mounted on the lifting plate, and a second electric push rod is mounted on the lifting plate, and a telescopic shaft of the second electric push rod is connected to the translation plate.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] The height of the static electricity detector can be adjusted by the lifting motor, the nut and the lifting screw, and the horizontal position of the PET film can be adjusted by the two PET film rollers. In summary, different positions of the PET film can be tested to improve the accuracy of the anti-static detection of the PET film;

[0015] The extrusion spring and the pressure roller can give a pulling force to the PET film. When the PET film is loose, the pulling force is used to tighten the PET film. The adjustment frame and the leveling roller can be used to level the position of the PET film to be tested before testing. In summary, the PET film can be kept in a flat state during the testing process, thereby ensuring the accuracy of the anti-static test of the PET film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 4 It is a structural schematic diagram of the lifting mechanism and the detection and leveling mechanism in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the detection and leveling mechanism in the utility model;

[0021] Figure 6 It is a structural schematic diagram of the pressurizing mechanism in the utility model;

[0022] Figure 7 for Figure 6 A schematic diagram of the enlarged structure of part A shown;

[0023] Figure 8 It is a structural schematic diagram of the adjustment frame in the utility model.

[0024] 1. Detection frame; 2. PET film roller; 3. PET film; 4. Resistance plate; 5. Adjustment frame; 6. Mounting plate; 7. Electrostatic detector; 8. Mounting frame; 9. Moving screw; 10. Moving motor; 11. Moving frame; 12. Electrode; 13. Lifting plate; 14. Electric push rod one; 15. L-shaped connecting block; 16. Leveling roller; 17. Protection frame; 18. Connecting port; 19. Nut; 20. Lifting motor; 21. Lifting screw; 22. Fixed frame; 23. Elastic block; 24. Pressure spring; 25. Connecting frame; 26. Pressure roller; 27. Synchronous wheel; 28. Synchronous belt; 29. ​​Synchronous motor; 30. Translation plate; 31. Electric push rod two. DETAILED DESCRIPTION

[0025] Embodiment 1

[0026] like Figure 1-Figure 3 As shown, the utility model proposes a PET film anti-static detection device, comprising two PET film rollers 2 arranged on a detection frame 1, driven by a synchronous motor 29, and moving a PET film 3. Support frames are fixedly installed on both sides of the detection frame 1, and the two PET film rollers 2 are rotatably installed on the two support frames respectively. The two PET film rollers 2 are symmetrically arranged on both sides of the detection frame 1. Synchronous wheels 27 are sleeved on the two PET film rollers 2, and synchronous belts 28 are sleeved on the two synchronous wheels 27. The synchronous motor 29 is fixedly installed on one of the support frames, and the output end of the synchronous motor 29 is connected to one end of the PET film roller 2 located on the support frame. The rotation of the synchronous motor 29 can drive the two PET film rollers 2 to rotate synchronously, so that the movement of the PET film 3 can be convenient. Openings are opened on both sides of the detection frame 1, and the PET film 3 passes through the two openings and is movably connected to the two openings; a detection and leveling mechanism is arranged on the detection frame 1 for leveling the surface of the PET film 3; an electrostatic detector 7 is arranged on the detection and leveling mechanism for detecting electrostatics on the PET film 3; and a lifting mechanism is arranged on the detection frame 1 for adjusting the height of the electrostatic detector 7.

[0027] like Figure 2 , Figure 5 and Figure 8 As shown, the detection and leveling mechanism includes a contact plate 4 arranged on the detection frame 1, an adjustment frame 5 is arranged on one side of the contact plate 4, and an avoidance groove is opened on the side of the adjustment frame 5 close to the PET film 3. The avoidance groove can avoid excessive compression of the PET film 3, so that the PET film 3 can be leveled conveniently. An L-shaped connecting block 15 is slidably installed on the adjustment frame 5, and a leveling roller 16 is rotatably installed on the L-shaped connecting block 15. The PET film 3 is located between the leveling roller 16 and the contact plate 4, an electric push rod 14 is installed on the L-shaped connecting block 15, a mounting plate 6 is installed on the adjustment frame 5, an electrostatic detector 7 is installed on the mounting plate 6, and the mounting plate 6 is provided with a static detector 7. Two through holes are provided on the electrostatic detector 7, and two electrodes 12 are adapted to the two through holes. An electrode pushing assembly is provided on the mounting plate 6, and the electrode pushing assembly is connected to the two electrodes 12 and is used to push the two electrodes 12 to move horizontally. The electrode pushing assembly includes a mounting frame 8 installed on the mounting plate 6, and a moving screw 9 is rotatably installed on the mounting frame 8. A moving frame 11 is threadedly installed on the moving screw 9, and the moving frame 11 is connected to the two electrodes 12. The moving frame 11 is slidably connected to the mounting frame 8. A moving motor 10 is installed on the mounting frame 8, and the output end of the moving motor 10 is connected to the moving screw 9.

[0028] like Figure 3 and Figure 4As shown, a protective frame 17 is installed on the detection frame 1, and the protective frame 17 is connected with the detection frame 1 through a connecting port 18. The lifting mechanism includes a nut 19 rotatably installed in the connecting port 18, and a lifting screw 21 is threadedly installed on the nut 19. The bottom end of the lifting screw 21 is rotatably installed with a lifting plate 13. Two limit rods are installed on the top of the lifting plate 13, and two sliding rings are fixedly installed on the inner wall of the connecting port 18. The two sliding rods respectively penetrate the two sliding rings and are slidably connected with the two sliding rings respectively. A lifting motor 20 is arranged on the protective frame 17. The lifting motor 20 is connected with the nut 19 by gear meshing. A rack ring is arranged on the outer wall of the nut 19. A gear is sleeved on the output shaft of the lifting motor 20, and the gear is meshed with the rack ring. A translation plate 30 is slidably installed on the lifting plate 13, and an electric push rod 2 31 is installed on the lifting plate 13. The telescopic shaft of the electric push rod 2 31 is connected with the translation plate 30, and the electric push rod 2 31 can indirectly push the leveling roller 16 to move horizontally.

[0029] In this embodiment, the two PET film rollers 2 are driven to rotate synchronously by the synchronous motor 29, so that the PET film 3 is moved between the two PET film rollers 2. This method can facilitate the detection of different positions of the PET film 3. During the detection process, the electric push rod 2 31 can be used to drive the translation plate 30 to move horizontally, so that the adjustment frame 5 and the PET film roller 2 are in contact with the surface of the PET film 3. The adjustment frame 5 can press one side of the PET film 3 to be detected, and the PET film 3 inside it can be leveled by the PET film roller 2. Then, the leveling roller 16 can be pushed to move by the electric push rod 1 14, and the surface of the PET film 3 can be leveled by the leveling roller 16. Thereafter, the moving frame 11 is driven to move horizontally by the moving motor 10 and the moving screw 9, and then the two electrodes 12 are pushed to contact with the PET film 3. In this way, the resistance value of the PET film 3 can be detected by the electrostatic detector 7, and the antistatic detection of the PET film 3 is indirectly completed.

[0030] Embodiment 2

[0031] like Figure 1 , Figure 6 and Figure 7As shown, a PET film anti-static detection device proposed by the utility model, compared with the first embodiment, also includes a pressure mechanism arranged on one side of the detection frame 1 for tightening the PET film 3, the pressure mechanism includes a fixed frame 22 installed on the detection frame 1, a slide groove 1 is arranged on the fixed frame 22, and slide rods are installed on the inner walls of both sides of the slide groove, and an elastic block 23 is arranged in the slide groove, the elastic block 23 is slidably connected to the inner wall of the slide groove, the slide rod passes through the elastic block 23 and is slidably connected to the elastic block 23, a pressure spring 24 is arranged on the elastic block 23, one end of the pressure spring 24 is fixedly connected to the inner wall of one side of the slide groove on the fixed frame 22, a connecting frame 25 is installed on the elastic block 23, and a pressure roller 26 is rotatably installed on the connecting frame 25, and the pressure roller 26 contacts the PET film 3.

[0032] In this embodiment, during the movement of the PET film 3, a horizontal pulling force is applied to the PET film 3 by two pressure springs 24. In this way, when the PET film 3 becomes loose during the movement, the PET film 3 can be pulled in time by the pulling force to put it in a taut state, thereby ensuring its flatness during the movement and providing guarantee for detection.

[0033] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A PET film antistatic detection device, characterized in that: include: Two PET film rollers (2) are arranged on the detection frame (1) and driven by a synchronous motor (29) to move the PET film (3); the PET film (3) passes through the detection frame (1) and is movably connected to the detection frame (1); A detection and leveling mechanism disposed on the detection frame (1) and used for leveling the surface of the PET film (3); An electrostatic detector (7) disposed on the detection and leveling mechanism and used for detecting the electrostatic charge of the PET film (3); A lifting mechanism disposed on the detection frame (1) and used for adjusting the height of the static electricity detector (7); And a pressurizing mechanism is arranged on one side of the detection frame (1) and is used to tighten the PET film (3).

2. A PET film antistatic detection device according to claim 1, characterized in that: The detection and leveling mechanism comprises a contact plate (4) arranged on a detection frame (1), an adjustment frame (5) is arranged on one side of the contact plate (4), an L-shaped connecting block (15) is slidably mounted on the adjustment frame (5), a leveling roller (16) is rotatably mounted on the L-shaped connecting block (15), the PET film (3) is located between the leveling roller (16) and the contact plate (4), and an electric push rod (14) is mounted on the L-shaped connecting block (15).

3. A PET film antistatic detection device according to claim 2, characterized in that: A mounting plate (6) is mounted on the adjustment frame (5), an electrostatic detector (7) is mounted on the mounting plate (6), two through holes are provided on the mounting plate (6), two electrodes (12) are arranged on the electrostatic detector (7), the two electrodes (12) are adapted to the two through holes, an electrode pushing assembly is arranged on the mounting plate (6), the electrode pushing assembly is connected to the two electrodes (12), and is used to push the two electrodes (12) to move horizontally.

4. A PET film antistatic detection device according to claim 3, characterized in that: The electrode pushing assembly comprises a mounting frame (8) mounted on a mounting plate (6); a moving screw (9) is rotatably mounted on the mounting frame (8); a moving frame (11) is threadedly mounted on the moving screw (9); the moving frame (11) is connected to two electrodes (12); the moving frame (11) is slidably connected to the mounting frame (8); a moving motor (10) is mounted on the mounting frame (8); and an output end of the moving motor (10) is connected to the moving screw (9).

5. A PET film antistatic detection device according to claim 1, characterized in that: A protection frame (17) is installed on the detection frame (1), and the protection frame (17) is connected with the detection frame (1) through a connecting port (18). The lifting mechanism comprises a nut (19) rotatably installed in the connecting port (18), a lifting screw (21) is threadedly installed on the nut (19), and a lifting plate (13) is rotatably installed at the bottom end of the lifting screw (21). A lifting motor (20) is arranged on the protection frame (17), and the lifting motor (20) is connected with the nut (19) by gear meshing.

6. A PET film antistatic detection device according to claim 1, characterized in that: The pressure mechanism comprises a fixed frame (22) mounted on the detection frame (1), an elastic block (23) is slidably mounted on the fixed frame (22), a pressure spring (24) is arranged on the elastic block (23), one end of the pressure spring (24) is connected to the fixed frame (22), a connecting frame (25) is mounted on the elastic block (23), a pressure roller (26) is rotatably mounted on the connecting frame (25), and the pressure roller (26) contacts the PET film (3).

7. A PET film antistatic detection device according to claim 5, characterized in that: A translation plate (30) is slidably mounted on the lifting plate (13), and a second electric push rod (31) is mounted on the lifting plate (13), wherein the telescopic shaft of the second electric push rod (31) is connected to the translation plate (30).

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