Detection stretcher for two-way stretch film
By introducing temperature control and stretching systems into the biaxially oriented film testing equipment, the limitations of testing at a single temperature are overcome, testing at multiple temperatures and adapting to different sizes are achieved, and the detection accuracy and safety are improved.
Patent Information
- Application Number
- CN202422584601.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing biaxially oriented film testing equipment can only perform stretching tests at one temperature and cannot adjust the temperature, resulting in limitations in the test data.
The temperature sensor, heating copper tube, condenser tube and cooling plate are used to achieve precise control of the temperature inside the operating box of the testing equipment. The motor and gear system are combined to fix and test the stretch film.
It realizes the detection of stretch films at different temperatures, improves the flexibility and accuracy of detection, adapts to stretch films of different sizes, and enhances the use effect and safety of the equipment.
Smart Images
Figure CN223377094U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of biaxially stretched film detection, in particular to a biaxially stretched film detection and stretching machine. Background Art
[0002] In the process of testing biaxially oriented films, stretching machines are widely used to test and process biaxially oriented films. Biaxially oriented films are a type of plastic film manufactured through biaxial stretching technology. They are usually made of polypropylene or polyethylene terephthalate. Biaxially oriented films are widely used in packaging, labeling, and electronics due to their excellent physical and chemical properties. Detection stretching machines are also used in the process of testing biaxially oriented films.
[0003] When using the detection stretching machine, the two sides of the biaxially oriented film are fixed by the pressure rod. After the stretch film is fixed, the two sides of the stretch film are stretched. When the surface of the stretch film is damaged, the stretching of the stretch film is stopped, the pressure applied at this time is recorded, and the test is completed.
[0004] When testing stretched films in the existing method, the stretched films can only be tested at one temperature and the temperature cannot be adjusted. The test data has limitations. Therefore, a testing stretching machine for biaxially stretched films is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a detection and stretching machine for biaxially stretched films, which solves the problem in the background art that the stretching test of the stretched film can only be performed at one temperature, the temperature cannot be adjusted, and the detection data has limitations.
[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a detection and stretching machine for biaxially stretched film, comprising a pad, an operating box is fixedly connected to the center position of the top of the pad, a coolant tank is fixedly connected to the left side of the operating box, the top of the coolant tank passes through and is fixedly connected to a water pump, the top of the water pump passes through and is fixedly connected to a condenser, the right side of the outer ring of the condenser passes through and is fixedly connected to a refrigeration plate, the top of the operating box passes through and is fixedly connected to a temperature sensor, two heating copper tubes are arranged in the wall thickness of the operating box, both ends of the two heating copper tubes pass through the operating box and are fixedly connected to a heating head, the front side of the top of the operating box is fixedly connected to a moving box, the rear side of the moving box is fixedly connected to a first motor, the output end of the first motor passes through the moving box and is fixedly connected to a sprocket, a sprocket is rotatably connected between the inner walls of the moving box, a chain is arranged between the two sprockets, two glass doors are fixedly connected to the front side of the chain, and an adjustment component is arranged at the bottom of the inner wall of the operating box.
[0007] By adopting the above technical solution, the temperature sensor detects the temperature inside the operating box, the condenser and the refrigeration plate lower the temperature inside the operating box, and the heating copper tube and the heating head can increase the temperature inside the operating box, thereby realizing the control of the temperature inside the operating box.
[0008] As a further description of the above technical solution: the adjustment component includes a U-shaped plate, which is fixedly connected to the operation box, a second motor is fixedly connected to the bottom of the inner wall of the U-shaped plate, a gear is fixedly connected to the output end of the second motor, a wind speed sensor is provided on the top of the gear, a rack is meshed and connected to the rear side of the outer ring of the gear, an L-shaped plate is fixedly connected to the top of the rack, a support plate is fixedly connected to the top of the U-shaped plate, a tension sensor is fixedly connected to the right side of the support plate, and the L-shaped plate is fixedly connected to the right side of the tension sensor, a cylinder is fixedly connected to the top of the inner walls of the two L-shaped plates, and the output ends of the two cylinders are fixedly connected to pressure strips, and the opposite sides of the inner walls of the two L-shaped plates are fixedly connected to support strips, and a fan is passed through and fixedly connected to the top of the inner wall of the operation box.
[0009] By adopting the above technical solution, the stretch film is placed above the support bar, the pressure bar and the support bar fix the stretch film, the rack drives the support bar to move to stretch the stretch film, the tension sensor performs detection, and when the wind speed sensor senses the signal, the detection is completed.
[0010] As a further description of the above technical solution: a condenser is provided on the outer wall of the operation box, and the other end of the condenser passes through and is fixedly connected to a coolant tank.
[0011] By adopting the above technical solution, the operating box can support the condenser tube, and the coolant in the condenser tube can flow back to the coolant tank.
[0012] As a further description of the above technical solution: a solenoid valve is passed through and fixedly connected to the top of the coolant tank, and a water inlet pipe is passed through and fixedly connected to the top of the solenoid valve.
[0013] By adopting the above technical solution, the solenoid valve can control the coolant to flow in and out of the coolant tank.
[0014] As a further description of the above technical solution: a control panel is provided on the left side of the top of the pad, and a signal receiver is provided on the front side of the control panel.
[0015] By adopting the above technical solution, the control panel can control the temperature in the operation box and the signal receiver can receive the signal.
[0016] As a further description of the above technical solution: a first slide rail is fixedly connected to the front side of the operation box, and the first slide rail is slidably connected to the glass door.
[0017] By adopting the above technical solution, the operation box can support the first slide rail, and the first slide rail can limit the glass door.
[0018] As a further description of the above technical solution: the rack is slidably connected to the U-shaped plate.
[0019] By adopting the above technical solution, the U-shaped plate can limit the rack.
[0020] As a further description of the above technical solution: two limiting grooves are provided on the front side of the moving box, and the inner walls of the two limiting grooves are slidably connected to glass doors.
[0021] By adopting the above technical solution, the limiting groove can support and limit the glass door.
[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0023] 1. The utility model provides a detection and stretching machine for biaxially stretched film. First, the temperature sensor, heating copper tube, and condenser are used. The temperature sensor detects the temperature in the operating box. The heating head and the heating copper tube work together to heat. The water pump transports the coolant in the coolant tank to the condenser. The refrigeration plate cools the passing coolant to realize the control of the temperature in the operating box. The stretched film can be detected at different temperatures, thereby improving the use effect.
[0024] 2. The utility model provides a detection and stretching machine for biaxially stretched film, which uses a second motor, a support bar, a rack, and a cylinder to drive the pressure bar to fix the stretch film. The second motor drives the gear to rotate, and the gear drives the rack to move. The rack moves to stretch the stretch film to meet the needs of fixing stretch films of different sizes. The tension sensor performs detection and starts the fan. When the wind speed sensor detects an abnormality, the detection is completed and can be adjusted according to the size of the stretch film, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0026] Figure 2 This is a rear view of the overall structure of the utility model;
[0027] Figure 3 This is a cross-sectional view of the operating box structure of the utility model;
[0028] Figure 4 This is a cross-sectional view of the rack structure of the present utility model;
[0029] Figure 5 This is an exploded view of the mobile box structure of the present utility model.
[0030] Legend:
[0031] 1. Operation box; 2. First motor; 3. Moving box; 4. Glass door; 5. Coolant tank; 6. Pad; 7. First slide rail; 8. Heating head; 9. Temperature sensor; 10. Condenser; 11. Refrigeration plate; 12. Limiting groove; 13. Solenoid valve; 14. Water inlet pipe; 15. Control panel; 16. Signal receiver; 17. U-shaped plate; 18. Support plate; 19. Support bar; 20. Pressure bar; 21. Rack; 22. Tension sensor; 23. L-shaped plate; 24. Cylinder; 25. Gear; 26. Second motor; 27. Chain; 28. Sprocket; 29. Heating copper tube; 30. Fan; 31. Wind speed sensor; 32. Water pump. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0033] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.
[0034] Combine Figure 1 The utility model is a detection and stretching machine for biaxially stretched film, comprising a pad 6, an operating box 1 is provided at the center position of the top of the pad 6, a condenser 10 is provided on the outer wall of the operating box 1, the other end of the condenser 10 passes through and is fixedly connected to a coolant tank 5, a solenoid valve 13 passes through and is fixedly connected to the top of the coolant tank 5, a water inlet pipe 14 passes through and is fixedly connected to the top of the solenoid valve 13, when coolant needs to be added, the solenoid valve 13 is opened, and the coolant to be replaced enters the coolant tank 5 from the water inlet pipe 14. Regularly replacing the coolant can extend the service life of the stretching machine. A control is provided on the left side of the top of the pad 6. A control panel 15 is provided with a signal receiver 16 on the front side of the control panel 15, and the signal receiver 16 receives the signal. The control panel 15 controls the temperature inside the operation box 1, and the temperature inside the operation box 1 is checked by the temperature sensor 9 to realize temperature control. A first slide rail 7 is fixedly connected to the front side of the operation box 1, and the first slide rail 7 is slidably connected to the glass door 4. The operation box 1 supports the first slide rail 7, and the first slide rail 7 limits the glass door 4. The rack 21 is slidably connected to the U-shaped plate 17. Two limit grooves 12 are provided on the front side of the mobile box 3, and the inner walls of the two limit grooves 12 are slidably connected to the glass door 4.
[0035] Combine Figure 2 and Figure 3, an operation box 1 is fixedly connected to the center position of the top of the pad 6, a coolant tank 5 is fixedly connected to the left side of the operation box 1, a water pump 32 is passed through and fixedly connected to the top of the coolant tank 5, the water pump 32 can allow the coolant in the coolant tank 5 to enter the condenser 10, and the coolant returns to the coolant tank 5 through the condenser 10, so as to realize the circulation of the coolant and improve the refrigeration effect, the top of the water pump 32 is passed through and fixedly connected to the condenser 10, and the right side of the outer circle of the condenser 10 is passed through and fixedly connected to the refrigeration fin 11, and the refrigeration fin 11 cools the coolant flowing through the refrigeration fin 11. The condenser 10 is arranged in a zigzag pattern on the right side of the refrigeration fin 11, which improves the refrigeration effect, a temperature sensor 9 is passed through and fixedly connected to the top of the operation box 1, and two heating coppers are arranged in the wall thickness of the operation box 1. Tube 29, both ends of the two heating copper tubes 29 pass through the operation box 1 and are fixedly connected to the heating head 8. The operation box 1 is provided with heating copper tubes 29 on the top and bottom to improve the heating effect and make the heating more uniform. The front side of the top of the operation box 1 is fixedly connected to the mobile box 3, and the rear side of the mobile box 3 is fixedly connected to the first motor 2. The output end of the first motor 2 passes through the mobile box 3 and is fixedly connected to the sprocket 28. The sprocket 28 is rotatably connected between the inner walls of the mobile box 3. A chain 27 is provided between the two sprockets 28. Two glass doors 4 are fixedly connected to the front side of the chain 27. When the stretch film is stretched, the test status in the operation box 1 can be viewed through the glass door 4. When the stretch film is damaged, the glass door 4 can prevent the stretch film fragments from causing damage to people. An adjustment component is provided at the bottom of the inner wall of the operation box 1.
[0036] Combine Figure 4 and Figure 5 , the adjustment component includes a U-shaped plate 17, the U-shaped plate 17 is fixedly connected to the operation box 1, the bottom of the inner wall of the U-shaped plate 17 is fixedly connected to the second motor 26, the output end of the second motor 26 is fixedly connected to the gear 25, and a wind speed sensor 31 is provided on the top of the gear 25. When performing stretching detection, the wind speed sensor 31 is located at the bottom of the stretch film. The wind speed sensor 31 detects the wind speed. When the stretch film is damaged, the wind speed sensor 31 senses the wind speed, sends a signal, completes the detection, and improves the use effect. The rear side of the outer ring of the gear 25 is meshed with a rack 21, and the top of the rack 21 is fixedly connected to the L-shaped plate 23. The U-shaped A support plate 18 is fixedly connected to the top of the plate 17, and a tension sensor 22 is fixedly connected to the right side of the support plate 18. When the stretch film is tested, the support plate 18 is fixed, and the movement of the rack 21 drives the pressure strip 20 on one side to move to realize stretching detection, thereby improving the detection effect of the tension sensor 22. An L-shaped plate 23 is fixedly connected to the right side of the tension sensor 22, and the top of the inner walls of the two L-shaped plates 23 are fixedly connected to the cylinder 24. The output ends of the two cylinders 24 are fixedly connected to the pressure strip 20. The opposite side of the inner walls of the two L-shaped plates 23 are fixedly connected to the support bar 19, and the top of the inner wall of the operating box 1 passes through and is fixedly connected to the fan 30.
[0037] Working principle: When using the stretching machine for testing, the stretch film is placed on top of the support bar 19, and the cylinder 24 works to press the pressure bar 20 down on the top of the support bar 19 to fix the stretch film. After the stretch film is fixed, the second motor 26 works to drive the gear 25 to rotate, and the gear 25 drives the rack 21 to move, and the rack 21 drives the L-shaped plate 23 to move to stretch the stretch film. The tension sensor 22 performs detection, and the fan 30 works. When the wind speed sensor 31 detects a change in wind speed, it indicates that the stretch film is damaged. The stretching test of the stretch film is completed to meet the sizes of different stretch films. Then the temperature sensor 9 measures the temperature in the operating box 1. The temperature is detected. When the temperature is too low, the heating head 8 and the heating copper tube 29 work together to increase the temperature in the operation box 1. When the temperature in the operation box 1 is too high, the water pump 32 is started to work. The water pump 32 transports the coolant in the coolant tank 5 to the condenser 10. The refrigeration plate 11 cools the coolant to reduce the temperature in the operation box 1, thereby controlling the temperature in the operation box 1. The stretching test of the stretch film at different temperatures can be realized, and the detection efficiency is improved. The first motor 2 drives the sprocket 28 to rotate, and the linkage drives the chain 27 to move. The chain 27 drives the glass door 4 to open, and the stretch film is taken out to complete the detection of the stretch film.
[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A testing and stretching machine for biaxially stretched film, comprising a backing plate (6), characterized in that: An operation box (1) is fixedly connected to the center of the top of the pad (6), a coolant tank (5) is fixedly connected to the left side of the operation box (1), a water pump (32) is passed through the top of the coolant tank (5) and is fixedly connected, a condenser (10) is passed through the top of the water pump (32) and is fixedly connected, a refrigeration plate (11) is passed through the right side of the outer ring of the condenser (10) and is fixedly connected, a temperature sensor (9) is passed through the top of the operation box (1), and two heating copper tubes (29) are provided in the wall thickness of the operation box (1), and the two heating copper tubes (29) are fixedly connected. ) both ends pass through the operating box (1) and are fixedly connected to a heating head (8); the front side of the top of the operating box (1) is fixedly connected to a moving box (3); the rear side of the moving box (3) is fixedly connected to a first motor (2); the output end of the first motor (2) passes through the moving box (3) and is fixedly connected to a sprocket (28); a sprocket (28) is rotatably connected between the inner walls of the moving box (3); a chain (27) is provided between the two sprockets (28); the front side of the chain (27) is fixedly connected to two glass doors (4); an adjustment component is provided at the bottom of the inner wall of the operating box (1).
2. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: The adjustment assembly comprises a U-shaped plate (17), the U-shaped plate (17) is fixedly connected to the operation box (1), the bottom of the inner wall of the U-shaped plate (17) is fixedly connected to a second motor (26), the output end of the second motor (26) is fixedly connected to a gear (25), a wind speed sensor (31) is provided on the top of the gear (25), the rear side of the outer ring of the gear (25) is meshedly connected to a rack (21), the top of the rack (21) is fixedly connected to an L-shaped plate (23), and the top of the U-shaped plate (17) is fixedly connected to the wind speed sensor (31). A support plate (18) is fixedly connected, a tension sensor (22) is fixedly connected to the right side of the support plate (18), an L-shaped plate (23) is fixedly connected to the right side of the tension sensor (22), the top of the inner wall of the two L-shaped plates (23) are fixedly connected to the cylinder (24), the output ends of the two cylinders (24) are fixedly connected to the pressure strip (20), the opposite side of the inner wall of the two L-shaped plates (23) are fixedly connected to the support strip (19), and the top of the inner wall of the operation box (1) passes through and is fixedly connected to the fan (30).
3. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: The outer wall of the operating box (1) is provided with a condenser tube (10), and the other end of the condenser tube (10) passes through and is fixedly connected to a coolant tank (5).
4. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: A solenoid valve (13) passes through and is fixedly connected to the top of the coolant tank (5), and a water inlet pipe (14) passes through and is fixedly connected to the top of the solenoid valve (13).
5. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: A control panel (15) is provided on the left side of the top of the pad (6), and a signal receiver (16) is provided on the front side of the control panel (15).
6. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: A first slide rail (7) is fixedly connected to the front side of the operation box (1), and the first slide rail (7) is slidably connected to the glass door (4).
7. The detection and stretching machine for biaxially oriented film according to claim 2, characterized in that: The rack (21) is slidably connected to the U-shaped plate (17).
8. The detection and stretching machine for biaxially oriented film according to claim 1, characterized in that: The front side of the movable box (3) is provided with two limiting grooves (12), and the inner walls of the two limiting grooves (12) are both slidably connected with glass doors (4).