A tension machine for precision steel belt quality detection
Patent Information
- Application Number
- CN202521540862.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-07-23
AI Technical Summary
[0004]本实用新型的目的是为了解决现有技术中存在拉力机上的夹具一般是采用两块夹板，来对紧密钢带的两头进行夹紧，而这种夹持在拉伸过程中，随拉伸载荷的增加，容易出现打滑现象，导致测试数据产生偏差，从而影响测试结果的缺点，而提出的一种精密钢带质量检测用拉力机
[0011]1、通过转动螺母，螺母在螺纹管的螺纹作用下向下移动，可以带动四个下压杆向下移动，四个下压杆向下移动带动两个夹板移动，使得两个夹板相互靠近，将精密钢带夹紧；
Smart Images
Figure CN224667446U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel strip testing technology, and in particular to a tensile testing machine for precision steel strip quality testing. Background Technology
[0002] During the production and manufacturing process, precision steel strips require rigorous testing procedures to ensure their quality and performance meet predetermined standards. Tensile testing is one of the important testing methods, which can evaluate the performance of precision steel strips under tensile loads. Tensile testing requires the use of a tensile testing machine. First, the upper and lower clamps on the tensile testing machine are adjusted to the appropriate positions. Then, both ends of the precision steel strip are clamped with the clamps. The tensile testing machine is then started, and it moves one side of the clamps to stretch the precision steel strip. The data generated during the tensile testing process shows whether the precision steel strip meets the standards.
[0003] However, the problem with the above solution is that the clamps on the tensile testing machine are generally made of two clamping plates to clamp the two ends of the tight steel strip. During the tensile process, this clamping is prone to slippage as the tensile load increases, which leads to deviations in the test data and thus affects the test results. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing tensile testing machines, which typically use two clamping plates to clamp the two ends of a tight steel strip. However, this clamping method is prone to slippage during the tensile process as the tensile load increases, leading to deviations in the test data and affecting the test results. Therefore, this invention proposes a tensile testing machine for precision steel strip quality inspection.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A tensile testing machine for precision steel strip quality inspection includes a tensile testing machine, wherein mounting boxes are fixedly connected to the inner walls of the top and bottom of the tensile testing machine, and two clamping plates are slidably connected to the sides of the two mounting boxes that are close to each other. The tensile testing machine also includes: The worm gear is rotatably connected to the inner left wall of the mounting box, and the left side of the worm gear passes through the inner left wall of the mounting box and extends to the outside of the mounting box. A positioning block, which is fixedly connected to the top of the left-side clamping plate; An extrusion plate, wherein the extrusion plate is disposed inside the mounting box; A pressing mechanism is connected to two clamping plates and is used to drive the two clamping plates to move. A pushing mechanism is connected to the extrusion plate and is used to drive the extrusion plate to move. A limiting mechanism is provided, which is connected to the worm gear and is used to limit the rotation of the worm gear.
[0006] As a preferred embodiment of the present invention, the pressing mechanism includes a threaded tube, a nut, and four pressing rods; The inner wall of the threaded tube is fixedly connected to the outer wall of the mounting box, the inner wall of the nut is threadedly connected to the outer wall of the threaded tube, the tops of the four pressure rods are slidably connected to the tops of the nuts, the outer wall of the mounting box is provided with four sliding through grooves, the outer walls of the four pressure rods are slidably connected to the inner walls of the corresponding sliding through grooves, and the tops of the two clamps are slidably connected to the bottoms of the corresponding two pressure rods.
[0007] As a preferred embodiment of this utility model, the driving mechanism includes a worm gear, a gear, a rack, and a connecting rod assembly; The worm gear is rotatably connected to the inner wall of the rear side of the mounting box, the top of the worm gear meshes with the bottom of the worm, the gear is fixedly connected to the front side of the worm gear, the front side of the gear is rotatably connected to the inner wall of the front side of the mounting box, the rack meshes with the right side of the gear, the right side of the rack is slidably connected to the inner wall of the right side of the mounting box, and the connecting rod assembly is connected to the extrusion plate. The connecting rod assembly is used to drive the extrusion plate to move.
[0008] As a preferred embodiment of this utility model, the linkage assembly includes a connecting rod, a lever, a sliding sleeve, and a push plate; The connecting rod is rotatably connected to the top of the rack, the lever is rotatably connected to the inner wall of the front side of the mounting box, the left side of the lever is rotatably connected to the left side of the connecting rod, the inner wall of the sliding sleeve is slidably connected to the outer wall of the lever, the push plate is slidably connected to the inner wall of the rear side of the mounting box, the top of the push plate is rotatably connected to the bottom of the sliding sleeve, and the bottom of the push plate is rotatably connected to the right side of the extrusion plate.
[0009] As a preferred embodiment of this utility model, the limiting mechanism includes a limiting rod and a limiting toothed ring; The limiting rod is slidably connected to the top of the worm gear, the limiting tooth ring is fixedly connected to the left side of the mounting box, the inner wall of the limiting tooth ring is rotatably connected to the outer wall of the worm gear, and the left side of the limiting tooth ring is movably connected to the right side of the limiting rod.
[0010] In a preferred embodiment of this utility model, a spring is fixedly connected to the left side of the limiting rod, and the other end of the spring is fixedly connected to the left side of the worm gear. Beneficial effects
[0011] 1. By rotating the nut, the nut moves downward under the action of the threaded tube, which can drive the four pressure rods to move downward. The downward movement of the four pressure rods drives the two clamping plates to move, so that the two clamping plates move closer to each other and clamp the precision steel strip. 2. By rotating the worm gear, the worm wheel can be driven to rotate, which in turn drives the gear to rotate. The gear rotation drives the rack to move upward, which in turn drives the connecting rod to move, which in turn drives the lever to rotate, which in turn drives the sliding sleeve to move. The sliding sleeve drives the push plate to move, which in turn drives the extrusion plate to move. The extrusion plate pushes the precision steel strip to bend to the right. The push plate continues to move, bringing the precision steel strip into contact with the positioning block. Once the precision steel strip is clamped by the extrusion plate and the positioning block, the push plate stops moving. At this point, the end of the precision steel strip is bent and clamped at the upper part of the two clamping plates. This prevents the precision steel strip from slipping at the clamping point of the two clamping plates as the tensile load increases, which would cause deviations in the test data and thus affect the test results. 3. By contacting the limiting rod with the limiting gear ring, the worm can be fixed. The worm being fixed can also fix the worm wheel, gear, rack, connecting rod, lever, sliding sleeve, push plate and extrusion plate, so that the precision steel strip can be firmly bent and clamped on the upper part of the two clamping plates.
[0012] This invention uses an extrusion plate and a positioning block to bend and clamp the two ends of a precision steel strip, preventing slippage at the clamped ends of the strip as the tensile load increases, thus avoiding deviations in test data and affecting test results. Attached Figure Description
[0013] Figure 1 This is a front perspective view of the structure of this utility model; Figure 2 This is a partial three-dimensional view of the structure of this utility model; Figure 3 This is a three-dimensional cross-sectional view of the part of the structure of this utility model that houses the precision steel strip; Figure 4 This is a partial sectional perspective view of the present invention; Figure 5 This is a partial three-dimensional view of the structure of this utility model; Figure 6 Appendix of this utility model Figure 2 Enlarged view of part A in the middle.
[0014] In the diagram: 1. Tensile testing machine; 2. Mounting box; 3. Clamping plate; 4. Worm gear; 5. Positioning block; 6. Extrusion plate; 7. Threaded pipe; 8. Nut; 9. Down pressure rod; 10. Worm wheel; 11. Gear; 12. Rack; 13. Connecting rod; 14. Lever; 15. Sliding sleeve; 16. Push plate; 17. Limiting rod; 18. Limiting toothed ring; 19. Spring. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example
[0016] Reference Figure 1-6 A tensile testing machine for precision steel strip quality inspection includes a tensile testing machine 1. Mounting boxes 2 are fixedly connected to the inner walls of the top and bottom of the tensile testing machine 1. Two clamping plates 3 are slidably connected to the sides of the two mounting boxes 2 that are close to each other. The tensile testing machine also includes: Worm 4 is rotatably connected to the left inner wall of mounting box 2, and the left side of worm 4 passes through the left inner wall of mounting box 2 and extends to the outside of mounting box 2; Positioning block 5 is fixedly connected to the top of the left-side clamping plate 3; Extrusion plate 6 is disposed inside mounting box 2; The pressing mechanism is connected to the two clamping plates 3 and is used to drive the two clamping plates 3 to move. The driving mechanism is connected to the extrusion plate 6 and is used to drive the extrusion plate 6 to move. The limiting mechanism is connected to the worm 4 and is used to limit the rotation of the worm 4.
[0017] With the above structure, the top inner wall and bottom inner wall of the tensile testing machine 1 are connected by two symmetrical parts. The structural positional relationship in this utility model is described using the structure of the connecting part of the top inner wall of the tensile testing machine 1. By placing the precision steel strip between the two upper clamping plates 3, the pressing mechanism can drive the two clamping plates 3 to move closer together, clamping the precision steel strip. Then, the limiting mechanism moves, allowing the worm gear 4 to rotate. Rotating the worm gear 4 drives the pushing mechanism, which in turn moves the extrusion plate 6, causing the extrusion plate 6 to push the precision steel strip to bend to the right. Continue moving until the precision steel strip contacts the positioning block 5. Once the precision steel strip is clamped by the extrusion plate 6 and the positioning block 5, the pushing mechanism stops moving. At this point, the end of the precision steel strip is bent and clamped on the upper side of the two clamping plates 3, preventing the precision steel strip from slipping at the clamping point of the two clamping plates 3 as the tensile load increases, which would cause deviations in the test data and affect the test results. By resetting the limiting mechanism, the worm 4 is fixed. The worm 4 being fixed fixes both the pushing mechanism and the extrusion plate 6, ensuring that the precision steel strip can be firmly bent and clamped on the upper side of the two clamping plates 3.
[0018] As a preferred embodiment of the present invention, the pressing mechanism includes a threaded tube 7, a nut 8, and four pressing rods 9; The inner wall of the threaded tube 7 is fixedly connected to the outer wall of the mounting box 2. The inner wall of the nut 8 is threadedly connected to the outer wall of the threaded tube 7. The tops of the four pressure rods 9 are slidably connected to the tops of the nuts 8. Four sliding slots are provided on the outer wall of the mounting box 2. The outer walls of the four pressure rods 9 are slidably connected to the inner walls of the corresponding sliding slots. The tops of the two clamping plates 3 are slidably connected to the bottoms of the two corresponding pressure rods 9. By rotating the nut 8, the nut 8 moves downward under the action of the thread of the threaded tube 7, which can drive the four pressure rods 9 to move downward. The downward movement of the four pressure rods 9 can drive the two clamping plates 3 to move.
[0019] As a preferred embodiment of this utility model, the driving mechanism includes a worm gear 10, a gear 11, a rack 12, and a connecting rod assembly; The worm gear 10 is rotatably connected to the inner rear wall of the mounting box 2. The top of the worm gear 10 meshes with the bottom of the worm 4. The gear 11 is fixedly connected to the front of the worm gear 10. The front of the gear 11 is rotatably connected to the inner front wall of the mounting box 2. The rack 12 meshes with the right side of the gear 11. The right side of the rack 12 is slidably connected to the inner right side wall of the mounting box 2. The connecting rod assembly is connected to the extrusion plate 6. The connecting rod assembly is used to drive the extrusion plate 6 to move. By rotating the worm 4, the worm 4 can drive the worm gear 10 to rotate, which in turn drives the gear 11 to rotate. The rotation of the gear 11 can drive the rack 12 to move. The movement of the rack 12 can drive the connecting rod assembly to move. The movement of the connecting rod assembly can drive the extrusion plate 6 to move.
[0020] As a preferred embodiment of the present invention, the linkage assembly includes a connecting rod 13, a lever 14, a sliding sleeve 15, and a push plate 16; The connecting rod 13 is rotatably connected to the top of the rack 12, the lever 14 is rotatably connected to the inner wall of the front side of the mounting box 2, the left side of the lever 14 is rotatably connected to the left side of the connecting rod 13, the inner wall of the sliding sleeve 15 is slidably connected to the outer wall of the lever 14, the push plate 16 is slidably connected to the inner wall of the rear side of the mounting box 2, the top of the push plate 16 is rotatably connected to the bottom of the sliding sleeve 15, and the bottom of the push plate 16 is rotatably connected to the right side of the extrusion plate 6. By moving the rack 12, the connecting rod 13 can be moved, which in turn drives the lever 14 to rotate, which in turn drives the sliding sleeve 15 to move, causing the sliding sleeve 15 to drive the push plate 16 to move. The movement of the push plate 16 can then drive the extrusion plate 6 to move.
[0021] As a preferred embodiment of the present invention, the limiting mechanism includes a limiting rod 17 and a limiting toothed ring 18; The limiting rod 17 is slidably connected to the top of the worm gear 4, the limiting tooth ring 18 is fixedly connected to the left side of the mounting box 2, the inner wall of the limiting tooth ring 18 is rotatably connected to the outer wall of the worm gear 4, and the left side of the limiting tooth ring 18 is movably connected to the right side of the limiting rod 17. By contacting the limiting rod 17 and the limiting tooth ring 18, the worm gear 4 can be prevented from rotating.
[0022] As a preferred embodiment of this utility model, a spring 19 is fixedly connected to the left side of the limiting rod 17, and the other end of the spring 19 is fixedly connected to the left side of the worm gear 4. By setting the spring 19, the limiting rod 17 can be reset by the spring 19.
[0023] It should be noted that the specific model of tensile testing machine 1 to be used is to be selected by those skilled in the art, and the above-mentioned tensile testing machine 1 is existing technology, so this solution will not elaborate on it.
[0024] The working principle of this utility model is as follows: In use, first start the tensile testing machine 1 to adjust the position of the clamping plate 3 to a suitable position, then place the precision steel strip between the two upper clamping plates 3 (refer to...). Figure 3 Rotating nut 8 causes it to move downwards under the action of the threaded tube 7, which in turn moves the four pressing rods 9 downwards. This movement of the four pressing rods 9 moves the two clamping plates 3, bringing them closer together and clamping the precision steel strip. Manually moving the limiting rod 17 separates it from the limiting gear ring 18, allowing the worm gear 4 to rotate. Rotating the worm gear 4 causes the worm wheel 10 to rotate, which in turn rotates the gear 11. The rotation of the gear 11 causes the rack 12 to move upwards, which in turn moves the connecting rod 13, which in turn rotates the lever 14, causing the sliding sleeve 15 to move. The sliding sleeve 15 then moves the push plate 16, which in turn moves the extrusion plate 6, causing the extrusion plate 6 to push the precision steel strip to bend to the right. The push plate 16 continues to move, causing the precision steel strip to bend to the right. When the positioning block 5 contacts, and the precision steel strip is clamped by the extrusion plate 6 and the positioning block 5, the push plate 16 stops moving. At this time, the end of the precision steel strip is bent and clamped on the upper side of the two clamping plates 3, so that the precision steel strip will not slip at the clamping point of the two clamping plates 3 as the tensile load increases, causing deviation in the test data and affecting the test results. The limit rod 17 is released, and the limit rod 17 is reset under the action of the spring 19, so that the limit rod 17 contacts the limit toothed ring 18, so that the worm 4 is fixed. The worm 4 is fixed, so that the worm wheel 10, gear 11, rack 12, connecting rod 13, lever 14, sliding sleeve 15, push plate 16 and extrusion plate 6 are all fixed, so that the precision steel strip can be firmly bent and clamped on the upper side of the two clamping plates 3.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A tensile testing machine for precision steel strip quality inspection, comprising a tensile testing machine (1), wherein mounting boxes (2) are fixedly connected to the inner walls of the top and bottom of the tensile testing machine (1), and two clamping plates (3) are slidably connected to the sides of the two mounting boxes (2) that are close to each other, characterized in that, The tensile testing machine also includes: The worm (4) is rotatably connected to the left inner wall of the mounting box (2), and the left side of the worm (4) passes through the left inner wall of the mounting box (2) and extends to the outside of the mounting box (2); Positioning block (5), which is fixedly connected to the top of the left clamping plate (3); An extrusion plate (6) is disposed inside the mounting box (2); The pressing mechanism is connected to two clamping plates (3) and is used to drive the two clamping plates (3) to move. A pushing mechanism is connected to the extrusion plate (6) and is used to drive the extrusion plate (6) to move. A limiting mechanism is connected to the worm (4) and is used to limit the rotation of the worm (4).
2. The tensile testing machine for precision steel strip quality inspection according to claim 1, characterized in that, The pressing mechanism includes a threaded tube (7), a nut (8), and four pressing rods (9); The inner wall of the threaded tube (7) is fixedly connected to the outer wall of the mounting box (2), the inner wall of the nut (8) is threadedly connected to the outer wall of the threaded tube (7), the tops of the four pressure rods (9) are all slidably connected to the tops of the nut (8), four sliding through grooves are provided on the outer wall of the mounting box (2), the outer walls of the four pressure rods (9) are slidably connected to the inner walls of the corresponding sliding through grooves, and the tops of the two clamps (3) are slidably connected to the bottoms of the corresponding two pressure rods (9).
3. A tensile testing machine for precision steel strip quality inspection according to claim 1, characterized in that, The driving mechanism includes a worm gear (10), a gear (11), a rack (12), and a connecting rod assembly; The worm gear (10) is rotatably connected to the inner wall of the rear side of the mounting box (2). The top of the worm gear (10) meshes with the bottom of the worm (4). The gear (11) is fixedly connected to the front side of the worm gear (10). The front side of the gear (11) is rotatably connected to the inner wall of the front side of the mounting box (2). The rack (12) meshes with the right side of the gear (11). The right side of the rack (12) is slidably connected to the inner wall of the right side of the mounting box (2). The connecting rod assembly is connected to the extrusion plate (6). The connecting rod assembly is used to drive the extrusion plate (6) to move.
4. A tensile testing machine for precision steel strip quality inspection according to claim 3, characterized in that, The linkage assembly includes a connecting rod (13), a lever (14), a sliding sleeve (15), and a push plate (16). The connecting rod (13) is rotatably connected to the top of the rack (12), the lever (14) is rotatably connected to the inner wall of the front side of the mounting box (2), the left side of the lever (14) is rotatably connected to the left side of the connecting rod (13), the inner wall of the sliding sleeve (15) is slidably connected to the outer wall of the lever (14), the push plate (16) is slidably connected to the inner wall of the rear side of the mounting box (2), the top of the push plate (16) is rotatably connected to the bottom of the sliding sleeve (15), and the bottom of the push plate (16) is rotatably connected to the right side of the extrusion plate (6).
5. A tensile testing machine for precision steel strip quality inspection according to claim 1, characterized in that, The limiting mechanism includes a limiting rod (17) and a limiting toothed ring (18). The limiting rod (17) is slidably connected to the top of the worm (4), the limiting tooth ring (18) is fixedly connected to the left side of the mounting box (2), the inner wall of the limiting tooth ring (18) is rotatably connected to the outer wall of the worm (4), and the left side of the limiting tooth ring (18) is movably connected to the right side of the limiting rod (17).
6. A tensile testing machine for precision steel strip quality inspection according to claim 5, characterized in that, A spring (19) is fixedly connected to the left side of the limiting rod (17), and the other end of the spring (19) is fixedly connected to the left side of the worm (4).