Constant-temperature and constant-tension testing device for welding of PVC (polyvinyl chloride) clamping net material
By designing a constant temperature and constant tensile testing device for PVC mesh welding, and using a servo motor and temperature sensor to control the heating tube, the stability of PVC mesh welding was tested under high temperature conditions. This solved the problem of insufficient detection accuracy in existing technologies and improved the stability and accuracy of the test.
Patent Information
- Application Number
- CN202422920668.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing technologies lack testing equipment capable of simulating the welding strength of PVC mesh materials under high-temperature conditions. In particular, delamination and breakage are prone to occur at the weld joints under outdoor high-temperature conditions, and the testing accuracy is insufficient.
A constant temperature and constant tensile testing device for welding PVC mesh materials was designed. A servo motor drives the lead screw to move the sliding ring and side plate. Combined with a tensile tester and a temperature sensor, the heating tube maintains a constant temperature inside the chamber. The temperature is monitored and controlled in real time to ensure the accuracy of the test.
This method enables stability testing of PVC mesh welding materials under high-temperature conditions, improves the accuracy of test values, simulates actual usage environments, prevents delamination at the weld joint, and ensures the stability and reliability of the test.
Smart Images
Figure CN223500797U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of tensile testing technology, and in particular to a constant temperature and constant tensile testing device for welding PVC mesh materials. Background Technology
[0002] PVC mesh material is widely used as a membrane structure material, tent, and roller shutter door material. The application process involves splicing through welding, so a tensile testing device is needed to test the weld strength.
[0003] Because the materials are subjected to varying degrees of tension during installation, delamination and breakage are most likely to occur at the weld joints. Moreover, the ambient temperature varies, especially in summer when the PVC material softens in outdoor high-temperature environments (50-80℃), reducing the weld peel strength and making it more prone to cracking and delamination. To simulate whether PVC mesh materials will delaminate under actual stress conditions in high-temperature environments (50-80℃), since there is currently no such testing equipment on the market, we have independently developed a constant temperature and constant tensile force testing device for PVC mesh material welding to solve the above problems. Utility Model Content
[0004] In view of the shortcomings of the prior art, this utility model provides a constant temperature and constant tensile force testing device for welding PVC mesh materials, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.
[0005] To achieve the above objectives, this application adopts the following technical solution: a constant temperature and constant tensile testing device for welding PVC mesh materials, comprising a base, a bracket fixedly installed on the top of the base, a servo motor fixedly installed on the top of the bracket, a lead screw fixedly connected to the power output shaft of the servo motor, a sliding ring threadedly connected to the outer edge of the lead screw, a side plate fixedly installed on the outer edge of the sliding ring, a connecting frame fixedly installed on the outer side of the side plate, a tensile tester fixedly installed on the outer side of the connecting frame, a connecting rod fixedly connected to the output end of the tensile tester, an abutment plate fixedly connected to the bottom of the connecting rod, a hook fixedly connected to the bottom of the abutment plate, a base plate fixedly installed on the top of the base, a box fixedly installed on the top of the base plate, insulation cotton adhered to the inner wall of the box, and a heating tube fixedly installed on the top of the base plate.
[0006] In a preferred embodiment, a frame is fixedly installed on the top of the base plate, and three positioning tubes are arranged in a triangular shape on the top of the frame, with threaded posts threaded to the inner walls of the three positioning tubes.
[0007] By adopting the above technical solution, the PVC mesh material to be tested can be placed on the top of the three positioning tubes, and then the threaded post can be tightened to the inner wall of the positioning tube, thereby stably positioning the PVC mesh material in the gap between the positioning tube and the threaded post.
[0008] In a preferred embodiment, a protective door is rotatably connected to the outside of the box via a hinge, a handle is fixedly installed on the outside of the protective door, a magnetic block is fixedly installed on the inner wall of the box, and the protective door is made of magnetic material.
[0009] By adopting the above technical solution, the opening of the chamber can be protected, ensuring that the chamber can form a closed loop. This ensures that materials will not splash and come into contact with the human body during testing. Furthermore, the magnetic attraction principle can be used to firmly attach and connect the chamber and the protective door, ensuring stability.
[0010] In a preferred embodiment, two positioning shafts are symmetrically fixedly installed on the top of the frame, and the abutment plate is slidably connected to the outer edges of the two positioning shafts.
[0011] By adopting the above technical solution, it is possible to ensure that the abutment plate and hook can move vertically up and down, thereby ensuring stability during tensile testing and preventing easy displacement of position.
[0012] In a preferred embodiment, two positioning strips are symmetrically fixedly installed on the outer side of the bracket, and two limiting blocks are symmetrically fixedly installed on the inner side of the side plate, with the two limiting blocks slidably connected to the outer side of the positioning strips.
[0013] By adopting the above technical solution, the side plate can be limited during vertical movement, ensuring that the side plate moves vertically and thus ensuring the stability of the side plate during vertical movement.
[0014] In a preferred embodiment, a temperature sensor is fixedly installed at the bottom of the frame, and a PLC controller is fixedly installed on the outside of the base, with the PLC controller electrically connected to the temperature sensor and the heating tube.
[0015] By adopting the above technical solution, the temperature sensor can monitor the temperature of the inner cavity of the chamber in real time. When the temperature reaches ±2℃, it will transmit a signal to the PLC controller, which will then control the heating tube to temporarily stop working, ensuring that the inner cavity of the chamber is in a constant temperature state.
[0016] In one preferred embodiment, a positioning block is fixedly installed on the top of the base, and the bottom end of the lead screw is rotatably connected to the inner wall of the positioning block.
[0017] By adopting the above technical solution, the lead screw can be positioned to ensure its stability during rotation, thus preventing it from easily wobbling during rotation.
[0018] In a preferred embodiment, the side plate away from the limiting block is slidably connected to the outer side of the box body.
[0019] By adopting the above technical solution, the side panel will not interfere with the box body when it moves up and down, thus ensuring the stability of the side panel when it moves up and down.
[0020] The beneficial effects of this application are:
[0021] 1. This is a constant temperature and constant tensile testing device for PVC mesh welding. It starts heating by driving the heating tube, and then the temperature sensor can monitor the temperature of the inner cavity of the chamber in real time. When the temperature reaches 50℃±2℃, it will transmit a signal to the PLC controller, and then the PLC controller will control the heating tube to temporarily stop working, so as to ensure that the inner cavity of the chamber is in a constant temperature state, improve the accuracy of the test value, and can simulate whether the external temperature detector will crack and delaminate under different temperatures.
[0022] 2. This constant temperature and constant tensile testing device for PVC mesh material welding uses a servo motor to drive a lead screw to rotate, which in turn uses a sliding ring to move the side plate and hook downwards. The hook can then be engaged with the gap in the PVC mesh material. The servo motor can then be driven again to rotate the lead screw in the opposite direction, which in turn uses the sliding ring to move the side plate and hook upwards to pull the PVC mesh material. The tensile tester can then collect the tensile force value in a timely manner to monitor the damage state of the PVC mesh material under different tensile force values. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this application;
[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the support frame in this application;
[0025] Figure 3 This is a schematic diagram of the internal structure of this application;
[0026] Figure 4 This is a partial structural diagram of this application.
[0027] The following are the components labeled in the diagram: 1. Base; 2. Bracket; 3. Servo motor; 4. Lead screw; 5. Sliding ring; 6. Side plate; 7. Positioning strip; 8. Limiting block; 9. Connecting frame; 10. Tensile tester; 11. Connecting rod; 12. Abutment plate; 13. Hook; 14. Base plate; 15. Box body; 16. Insulation cotton; 17. Heating tube; 18. Frame; 19. Positioning tube; 20. Threaded column; 21. Protective door. Detailed Implementation
[0028] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.
[0029] Reference Figure 1-4 A constant temperature and constant tensile testing device for welding PVC mesh material includes a base 1, a bracket 2 fixedly installed on the top of the base 1, a servo motor 3 fixedly installed on the top of the bracket 2, a lead screw 4 fixedly connected to the power output shaft of the servo motor 3, a sliding ring 5 threadedly connected to the outer edge of the lead screw 4, a side plate 6 fixedly installed on the outer edge of the sliding ring 5, a connecting frame 9 fixedly installed on the outer side of the side plate 6, a tensile tester 10 fixedly installed on the outer side of the connecting frame 9, a connecting rod 11 fixedly connected to the output end of the tensile tester 10, an abutment plate 12 fixedly connected to the bottom of the connecting rod 11, a hook 13 fixedly connected to the bottom of the abutment plate 12, a base plate 14 fixedly installed on the top of the base 1, a box 15 fixedly installed on the top of the base plate 14, insulation cotton 16 adhered to the inner wall of the box 15, and a heating tube 17 fixedly installed on the top of the base plate 14.
[0030] See Figure 4 A frame 18 is fixedly installed on the top of the base plate 14. The top of the frame 18 is triangularly equipped with three positioning tubes 19, and the inner walls of the three positioning tubes 19 are threaded with threaded posts 20. This allows the PVC mesh material to be tested to be placed on the top of the three positioning tubes 19. Then the threaded posts 20 can be tightened to the inner walls of the positioning tubes 19, thereby stably positioning the PVC mesh material in the gap between the positioning tubes 19 and the threaded posts 20.
[0031] See Figure 1 and Figure 3 The outer side of the chamber 15 is connected to a protective door 21 via a hinge. A handle is fixedly installed on the outer side of the protective door 21. Magnetic blocks are fixedly installed on the inner wall of the chamber 15. The protective door 21 is made of magnetic material, which can protect the opening of the chamber 15 and ensure that the chamber 15 can form a closed loop. This ensures that the material will not splash and come into contact with the human body during testing. Furthermore, the magnetic attraction principle can be used to firmly attach and connect the chamber 15 and the protective door 21, ensuring stability.
[0032] See Figure 4 Two positioning shafts are symmetrically fixedly installed on the top of the frame 18. The abutment plate 12 is slidably connected to the outer edge of the two positioning shafts, which ensures that the abutment plate 12 and the hook 13 can move vertically up and down, thereby ensuring the stability during the tensile test and preventing easy displacement of the position.
[0033] See Figure 1 and Figure 2 Two positioning strips 7 are symmetrically fixedly installed on the outer side of the bracket 2, and two limiting blocks 8 are symmetrically fixedly installed on the inner side of the side plate 6. The two limiting blocks 8 are slidably connected to the outer side of the positioning strips 7, so that the side plate 6 can be limited when moving up and down, ensuring that the side plate 6 moves up and down in a vertical state, thereby ensuring the stability of the side plate 6 when moving up and down.
[0034] See Figure 3 and Figure 4 A temperature sensor is fixedly installed at the bottom of the frame 18, and a PLC controller is fixedly installed on the outside of the base 1. The PLC controller is electrically connected to the temperature sensor and the heating tube 17, so that the temperature sensor can monitor the temperature of the inner cavity of the box 15 in real time. When the temperature reaches ±2℃, it will transmit a signal to the PLC controller, and then the PLC controller will control the heating tube 17 to temporarily stop working, so as to ensure that the inner cavity of the box 15 is in a constant temperature state.
[0035] See Figure 2 A positioning block is fixedly installed on the top of the base 1, and the bottom end of the lead screw 4 is rotatably connected to the inner wall of the positioning block, so that the lead screw 4 can be positioned to ensure the stability of the lead screw 4 during rotation, and thus ensure that it will not easily swing during rotation.
[0036] See Figure 2 and Figure 3 The side plate 6 away from the limiting block 8 is slidably connected to the outer side of the box 15, so that the side plate 6 will not interfere with the box 15 when moving up and down, thus ensuring the stability of the side plate 6 when moving up and down.
[0037] Working principle: When using this device, firstly, the PVC mesh material to be tested can be placed on the top of the three positioning tubes 19. Then, the threaded post 20 can be tightened to the inner wall of the positioning tube 19, thereby stably positioning the PVC mesh material in the gap between the positioning tube 19 and the threaded post 20. Then, the servo motor 3 can be driven to drive the lead screw 4 to rotate, and the sliding ring 5 can be used to drive the side plate 6 and hook 13 to move downward, so that the hook 13 can hook into the gap of the PVC mesh material. Then, the servo motor 3 can be driven again to drive the lead screw 4 to rotate in the opposite direction, and the sliding ring 5 can be used to drive the side plate 6 and hook 13 to move upward to pull the PVC mesh material. The tensile tester 10 can collect the tensile force value in time. At the same time, the heating tube 17 can be driven to start heating, and the temperature sensor can monitor the temperature of the inner cavity of the chamber 15 in real time. When the temperature reaches 50℃±2℃, it will transmit a signal to the PLC controller, and the PLC controller will control the heating tube 17 to temporarily stop working, ensuring that the inner cavity of the chamber 15 is in a constant temperature state, improving the accuracy of the test values.
[0038] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0040] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.
Claims
1. A constant temperature and constant tensile testing device for welding PVC mesh materials, comprising a base (1), characterized in that, A bracket (2) is fixedly installed on the top of the base (1), a servo motor (3) is fixedly installed on the top of the bracket (2), a lead screw (4) is fixedly connected to the power output shaft of the servo motor (3), a sliding ring (5) is threadedly connected to the outer edge of the lead screw (4), a side plate (6) is fixedly installed on the outer edge of the sliding ring (5), a connecting frame (9) is fixedly installed on the outer side of the side plate (6), a tension meter (10) is fixedly installed on the outer side of the connecting frame (9), a connecting rod (11) is fixedly connected to the output end of the tension meter (10), an abutment plate (12) is fixedly connected to the bottom of the connecting rod (11), a hook (13) is fixedly connected to the bottom of the abutment plate (12), a base plate (14) is fixedly installed on the top of the base (1), a box (15) is fixedly installed on the top of the base plate (14), insulation cotton (16) is glued to the inner wall of the box (15), and a heating tube (17) is fixedly installed on the top of the base plate (14).
2. The constant temperature and constant tensile force testing device for welding PVC mesh materials according to claim 1, characterized in that, A frame (18) is fixedly installed on the top of the base plate (14). The top of the frame (18) is triangularly provided with three positioning tubes (19), and the inner walls of the three positioning tubes (19) are threaded with threaded columns (20).
3. The constant temperature and constant tensile testing device for welding PVC mesh materials according to claim 1, characterized in that, The outer side of the box (15) is connected to a protective door (21) by a hinge. A handle is fixedly installed on the outer side of the protective door (21). A magnetic block is fixedly installed on the inner wall of the box (15). The protective door (21) is made of magnetic material.
4. The constant temperature and constant tensile force testing device for welding PVC mesh material according to claim 2, characterized in that, Two positioning shafts are symmetrically fixedly installed on the top of the frame (18), and the abutment plate (12) is slidably connected to the outer edge of the two positioning shafts.
5. The constant temperature and constant tensile testing device for welding PVC mesh material according to claim 1, characterized in that, Two positioning strips (7) are symmetrically fixedly installed on the outer side of the bracket (2), and two limiting blocks (8) are symmetrically fixedly installed on the inner side of the side plate (6), and the two limiting blocks (8) are slidably connected to the outer side of the positioning strips (7).
6. The constant temperature and constant tensile force testing device for welding PVC mesh material according to claim 2, characterized in that, A temperature sensor is fixedly installed at the bottom of the frame (18), and a PLC controller is fixedly installed on the outside of the base (1), and the PLC controller is electrically connected to the temperature sensor and the heating tube (17).
7. The constant temperature and constant tensile testing device for welding PVC mesh material according to claim 1, characterized in that, A positioning block is fixedly installed on the top of the base (1), and the bottom end of the screw (4) is rotatably connected to the inner wall of the positioning block.
8. The constant temperature and constant tensile force testing device for welding PVC mesh material according to claim 1, characterized in that, The side plate (6) is slidably connected to the outer side of the box body (15) on the side away from the limiting block (8).