Torsion testing device
By designing an automated torque testing device, utilizing slide rails, limit units, and testing units, the problems of low efficiency and low accuracy in manual torque testing are solved, achieving efficient and accurate torque testing and reducing labor costs.
Patent Information
- Application Number
- CN202422873871.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Torque testing of existing automotive connectors mainly relies on manual operation, resulting in low testing efficiency, low accuracy, and high labor costs.
Design a torque testing device that includes a slide rail, a limit unit, and a testing unit. Utilize power sources such as servo motors and cylinders to achieve automated limit and torque testing, and combine a torque sensor and proximity switch for accurate data recording.
Automated torque testing has been achieved, improving production efficiency and testing accuracy while reducing labor costs.
Smart Images

Figure CN223597430U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present scheme relates to the technical field of torque testing, in particular to a torsion testing device. BACKGROUND
[0002] During the assembly process of the automobile connecting piece, the torsion needs to be tested. At present, the test operation is mostly completed by manual work. Manual testing needs to consume a lot of physical strength, and the test personnel needs to be replaced every period of time, the test efficiency and accuracy are low, and the labor cost is high.
[0003] Therefore, a torsion testing device is needed, which can automatically complete the torsion test of the automobile connecting piece. SUMMARY
[0004] The present scheme provides a torsion testing device to solve the above problems.
[0005] To achieve the above purpose, the technical scheme adopted by the present scheme is: a torsion testing device, comprising
[0006] The slide rail fixed on the support is slidably connected with the limiting unit at the lower end and the testing unit at the upper end.
[0007] The limiting unit comprises a fixing assembly and a positioning assembly.
[0008] Further, the fixing assembly connects the first sliding block and the slide rail through the first connecting frame, and the first power source is fixed on the back of the support and connected with the first connecting frame through the power end at the bottom.
[0009] Further, the first connecting frame connects the second connecting frame to fix the pressing plate.
[0010] Further, the positioning assembly comprises an extension plate connected with the second power source fixed on the first connecting frame, and the second power source drives the clamping jaw to contract.
[0011] Further, the testing unit comprises a third connecting frame connecting the second sliding block and the slide rail, and a third power source fixed on the top of the support and connected with the third connecting frame through the power end at the bottom.
[0012] Further, the power end of the fourth power source fixed on the top of the third connecting frame is connected with the testing assembly.
[0013] Further, the third connecting frame further comprises a sensor.
[0014] Further, the testing assembly comprises a proximity switch fixed on the side of the testing end.
[0015] Further, the testing end of the testing assembly comprises a connecting piece for limiting the testing head.
[0016] In summary, the present application has the following advantages:
[0017] The combination of the limiting unit and the testing unit provided by the present application enables the entire device to automatically test the torsion of the product, and has high automation degree, high production efficiency, high testing precision, saves manpower and reduces cost. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a schematic view of a torsion testing device;
[0019] Figure 2 is a schematic view of a support;
[0020] Figure 3 is a schematic view of a limiting unit;
[0021] Figure 4 is a schematic view of a testing unit;
[0022] Figure 5 is a schematic view of a testing assembly.
[0023] Wherein:
[0024] 1, product;
[0025] 100, support; 110, sliding rail; 120, rolling chain;
[0026] 200, limiting unit; 210, fixing assembly; 211, first connecting frame; 212, first sliding block; 213, first power source; 214, second connecting frame; 215, pressing plate; 220, positioning assembly; 221, extension plate; 222, second power source; 2221, clamping jaw;
[0027] 300, testing unit; 301, third connecting frame; 310, second sliding block; 320, third power source; 330, fourth power source; 340, testing assembly; 341, proximity switch; 342, connecting piece; 243, testing head; 350, sensor. DETAILED DESCRIPTION
[0028] The present application will be further described below in conjunction with the drawings and examples:
[0029] Example 1:
[0030] A torsion testing device, as shown in Figures 1-5 , comprising a limiting unit 200 and a testing unit 300 slidingly connected on a support 100.
[0031] The bracket 100 is fixed at the bottom of the assembly line of the product 1, and the slide rail 110 is fixed on the bracket 100. The lower end of the slide rail 110 is slidably connected with the limiting unit 200, and the upper end is slidably connected with the test unit 300 fixed on the rolling chain 120.
[0032] As shown in Figures 1-3 , the limiting unit 200 comprises a fixing assembly 210 and a positioning assembly 220.
[0033] The limiting unit 200 provided in the scheme limits the product 1, avoiding the product 1 from shaking during the torsion test.
[0034] The fixing assembly 210, the first connecting frame 211 connects the first sliding block 212 with the slide rail 110, the first power source 213 is fixed on the back of the bracket 100 and the power end at the bottom is connected with the first connecting frame 211, and the second connecting frame 214 is fixed on the first connecting frame 211 and the pressing plate 215 is fixed thereon.
[0035] The positioning assembly 220, the extension plate 221 is connected with the second power source 222 fixed on the first connecting frame 211, the second power source 222 drives the clamping jaw 2221 to center the position of the end to be tested of the product 1, and ensures that the test is successfully completed after the test unit 300 is docked.
[0036] The first power source 213 is a servo motor in the embodiment, and the second power source 222 is a pneumatic cylinder. The working principle is a common technique in the art, and will not be described in detail.
[0037] Specifically, when the product 1 reaches the bottom of the limiting unit 200, the first power source 213 drives the pressing plate 215 and the second power source 222 on the first connecting frame 211 to move downward, the pressing plate 215 is pressed on the product 1, and the product 1 is limited for the first time; the clamping jaw 2221 on the second power source 222 is retracted, and the end to be tested of the product 1 is aligned with the test unit 300, and the limiting work is completed for the second time.
[0038] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the test unit 300, the third connecting frame 301 connects the second sliding block 310 with the slide rail 110, the third power source 320 is fixed on the top of the bracket 100 and the power end at the bottom is connected with the third connecting frame 301, the fourth power source 330 is fixed on the top of the third connecting frame 301 and the power end thereof is connected with the test assembly 340, and the test assembly 340 and the sensor 350 are fixed on the third connecting frame 301.
[0039] The sensor 350 is a torque sensor, which detects the torque when the fourth power source 330 drives the test assembly 340 to rotate. The torque sensor converts the physical change of the torque into an accurate electrical signal, which is synchronized to the display end. The working principle is a common technique in the art, and will not be described in detail.
[0040] The test assembly 340 has a proximity switch 341 fixed on the side of the test end, which is used to record the number of rotations during the test.
[0041] The bottom of the test end includes a test head 243 limited by a connecting piece 342. In this embodiment, the connecting piece 342 is a quick-release pin, which passes through the connecting hole of the test head 243 and the test end, and limits the test head 243. The connecting piece 342 can be replaced according to different types of products 1, and can complete the test requirements of different types of products 1.
[0042] Specifically, after the positioning unit 200 completes positioning, the third power source 320 drives the test unit 300 to descend. When the test head 243 enters the product 1, the fourth power source 330 drives the test head 243 to rotate, and the test of instantaneous torque or continuous torque is completed.
[0043] Further description in combination with its use mechanism:
[0044] S1, fix the product
[0045] When the product 1 reaches the bottom of the positioning unit 200, the first power source 213 drives the pressing plate 215 on the first connecting frame 211 and the second power source 222 to move downward, and the pressing plate 215 presses on the product 1 to limit the product 1;
[0046] S2, align the product to be tested and the test end
[0047] The clamping jaw 2221 on the second power source 222 is retracted, and when the stroke of the second power source 222 ends, the product 1 to be tested is aligned with the test head 243 at the bottom of the test unit 300;
[0048] S3, torque test
[0049] The third power source 320 drives the test unit 300 to descend. When the test head 243 enters the product 1, the fourth power source 330 drives the test head 243 to rotate, and the test of instantaneous torque or continuous torque is completed. The data fed back by the proximity switch 341 and the sensor 350 are analyzed;
[0050] S4, reset
[0051] The fourth power source 330 drives the test end to stop rotating, the third power source 320 drives the test unit 300 to rise, the second power source 222 drives the clamping jaw 2221 to release the product 1 to be tested on the test end, and the first power source 213 controls the first connecting frame 211 to drive the limiting unit 200 to move upwards.
[0052] To sum up, the combination of the limiting unit and the test unit provided by the application realizes that the whole device can automatically test the torsion of the product, the degree of automation of the device is high, the production efficiency is high, the test precision is high, manpower is saved, and the cost is reduced.
[0053] The above-mentioned embodiments are only for illustrating the technical concept and characteristics of the application, and the purpose is to enable those skilled in the art to understand the content of the application and implement it, and cannot limit the protection scope of the application. Any equivalent transformation or modification made according to the spirit and essence of the application should be covered within the protection scope of the application.
[0054] In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside.
[0055] For those skilled in the art, the specific meanings of the above-mentioned terms in the application can be understood according to the specific circumstances.
[0056] It should be understood that the above-mentioned embodiments are only exemplary and not limiting, and those skilled in the art can make various obvious or equivalent modifications or replacements to the above-mentioned details without departing from the basic principles of the application, which will be included in the protection scope of the application.
Claims
1. A torque testing device, characterized in that: Includes a slide rail (110) fixed on a bracket (100), wherein the lower end of the slide rail (110) is slidably connected to a limiting unit (200) and the upper end is slidably connected to a testing unit (300); The limiting unit (200) includes a fixing component (210) and a positioning component (220).
2. The torque testing device according to claim 1, characterized in that: The fixing component (210) has a first connecting frame (211) that connects the first slider (212) to the slide rail (110) in a sliding connection. The first power source (213) is fixed to the back of the bracket (100) and the power end at the bottom is connected to the first connecting frame (211).
3. The torque testing device according to claim 2, characterized in that: The first connecting frame (211) connects to the second connecting frame (214) to fix the pressing plate (215).
4. The torque testing device according to claim 1, characterized in that: The positioning component (220) has an extension plate (221) connected to a second power source (222) fixed on a first connecting frame (211). The second power source (222) drives the gripper (2221) to retract.
5. The torque testing device according to claim 1, characterized in that: The test unit (300) has a third connecting frame (301) that connects the second slider (310) and the slide rail (110) in a sliding connection. The third power source (320) is fixed to the top of the bracket (100) and the power end at the bottom is connected to the third connecting frame (301).
6. The torque testing device according to claim 5, characterized in that: The power end of the fourth power source (330) is connected to the test assembly (340) fixed on the top of the third connecting frame (301).
7. The torque testing device according to claim 6, characterized in that: The third connecting frame (301) also includes a sensor (350).
8. The torque testing device according to claim 6, characterized in that: The test component (340) has a proximity switch (341) fixed to the side of the test end.
9. The torque testing device according to claim 8, characterized in that: The bottom of the test end of the test component (340) includes a connector (342) for limiting the test head (243).