Detection device for tensile test of automobile fastener

By introducing proofreading components and inner clamping components into the detection device, and adjusting the fastener height and fixation with forward and reverse motors and cylinder drives, the problem of inconsistent fastener axis is solved, and the accurate positioning and fixing of the fastener is achieved, ensuring the accuracy of tensile experiments.

CN223192695UActive Publication Date: 2025-08-05JIANGSU MAYU AUTOMOTIVE FASTENER MFG CO LTD
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Patent Information

Application Number
CN202422342135.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-08-05
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

In the prior art, after one end of the fastener is placed in the slot, the axis height of the fastener is inconsistent with the height of the thread groove in the fixed column, resulting in the thread end of the fastener not being able to connect with the thread groove normally, affecting the accuracy of the tensile experiment.

Method used

A detection device including a proofreading assembly and an inner clamp assembly is designed. The threaded rod is driven by a forward and reverse motor to drive the slide and pallet to lift and lower, adjust the height of the fastener to be aligned with the gripping mechanism, and the push clamp fixation of the fastener is completed by driving the push clamp by a second cylinder to ensure that the fastener does not loosen before the tensile experiment.

Benefits of technology

The fastener height is quickly adjusted and fixed, ensuring that the fastener is aligned with the gripping mechanism, avoiding looseness in the tensile experiment, and ensuring the smooth progress of the experiment.

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    Figure CN223192695U_ABST
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Abstract

The utility model relates to the technical field of automobile fastener detection, and provides a detection device for an automobile fastener tensile experiment, which is characterized in that a support seat is provided with a proofreading assembly, when a screw head end of a fastener body is placed in the support seat, the screw head end can be supported by a support plate, and a threaded rod can be driven to rotate by a forward and reverse motor, so that the screw head end of the fastener body can be fixed; a threaded rod is arranged in the supporting seat, a sliding seat in threaded connection to the outer side of the threaded rod drives a supporting plate to ascend and descend on the front face of the supporting seat through a U-shaped rod, and therefore the supporting plate drives a fastener body to ascend and descend synchronously to be consistent with the height of a grasping mechanism. The second air cylinder can drive the pushing and clamping plate to complete pushing and clamping work on the fastener body, so that the fastener body is prevented from loosening before a tensile experiment.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile fastener detection, in particular to a detection device for automobile fastener tensile tests. Background Art

[0002] The main purpose of the tensile test of automotive fasteners is to evaluate whether the fasteners meet the relevant composition, size and performance grade requirements, thereby helping manufacturers control product quality, helping users verify performance, and ensuring the safety of mechanical equipment or structures under complex working conditions. However, how to position the fasteners before tensile testing to avoid errors in tensile testing is an urgent problem that needs to be solved.

[0003] After searching, the announcement number CN218297853U discloses a detection device for tensile testing for automobile fastener production, including a frame, a detection mechanism is installed on the left side wall of the frame, and a fixing mechanism is installed on the right side wall of the frame, and the fixing mechanism includes a second cylinder, the second cylinder is installed on the right side wall of the frame, the output end of the second cylinder is fixedly connected to the second telescopic rod, the end of the second telescopic rod is fixedly connected to the push plate, the side wall of the push plate is fixedly connected to the motor, the output end of the motor is fixedly connected to the rotating shaft, the end of the rotating shaft is fixedly connected to the clamping block, the outer side of the clamping block is sleeved with a fixing column, one end of the fixing column is provided with a connecting groove, the clamping block is installed in the inside of the connecting groove, and the other end of the fixing column is provided with a threaded groove; this utility model can automatically fix automobile fasteners when in use.

[0004] The above-mentioned tensile test detection device for automobile fastener production is a device that places one end of the fastener in the slot of the fixing plate, and then fixes the other end of the fastener through the fixing column and the connecting groove. After the above two sets of processes are completed, the fixed fastener is subjected to a tensile test by a cylinder. However, the design defect is that after one end of the fastener is placed in the slot, the height of the fastener axis will be inconsistent with the height of the thread groove in the fixing column, resulting in the problem that the threaded end of the fastener cannot be properly docked with the thread groove. Utility Model Content

[0005] The utility model provides a detection device for tensile testing of automobile fasteners, which solves the problem in the prior art that after one end of the fastener is placed in the clamping groove, the height of the fastener axis is inconsistent with the height of the thread groove in the fixing column, so that the threaded end of the fastener cannot be properly docked with the thread groove.

[0006] The technical solution of the present utility model is as follows: A detection device for tensile testing of automobile fasteners, comprising a base, a gripping mechanism arranged on one side above the base, and a fastener body arranged on the other side above the base, a second support fixedly connected to one side of the top of the base, a bracket fixedly connected above the second support, the fastener body being located in a groove on the front face of the bracket, a proofreading assembly capable of supporting the fastener body for lifting and adjusting is provided on the side face of the bracket, and an inner clamping assembly capable of pushing and clamping the fastener body after adjustment is also provided on the side face of the bracket.

[0007] Preferably, a first support is fixedly connected to the other side of the top of the base, a first cylinder is fixedly installed on the front of the first support, and the telescopic end of the first cylinder is fixedly connected to the gripping mechanism.

[0008] Preferably, a rail groove is provided on the outer side of the bracket, and side panels are symmetrically fixedly connected to the grooves on the front side of the bracket, and the inner sides of the two groups of side panels are fixedly connected to the first anti-slip pad layer.

[0009] Preferably, the proofreading assembly includes a forward and reverse motor, which is fixedly mounted on the top of the bracket. The proofreading assembly also includes a threaded rod, the top of which is fixedly connected to the forward and reverse motor, and the threaded rod is rotatably connected to the rail groove through the forward and reverse motor.

[0010] Preferably, the proofreading assembly further comprises a slide seat, which is threadedly connected to the outside of the threaded rod. The proofreading assembly further comprises a U-shaped rod, one end of which is fixedly connected to the slide seat.

[0011] Preferably, the proofreading assembly further comprises a support plate, which is arranged in a groove on the front side of the bracket, and the bottom of the support plate is fixedly connected to the other end of the U-shaped rod.

[0012] Preferably, the inner clamping assembly includes a second cylinder, which is fixedly installed inside the bracket. The inner clamping assembly also includes a push clamping plate, which is fixedly connected to the telescopic end of the second cylinder.

[0013] Preferably, the inner clamping assembly further includes a second anti-slip pad layer, and the second anti-slip pad layer is fixedly connected to the side surface of the push clamping plate.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a proofreading component in the bracket. When the screw head end of the fastener body is placed in the bracket, it can be supported by the bracket, and the threaded rod can be driven to rotate by the forward and reverse motors, so that the sliding seat threadedly connected to the outside of the threaded rod drives the bracket to move up and down on the front of the bracket through the U-shaped rod, so that the bracket drives the fastener body to move up and down synchronously to the same height as the gripping mechanism. In addition, the present design also provides an inner clamping component in the bracket. After completing the height adjustment of the fastener body, the second cylinder can drive the pushing clamping plate to complete the pushing and clamping work of the fastener body to avoid the fastener body from loosening before the tensile test. Compared with the comparative document, the present design can not only quickly adjust the height of the fastener body to align with the gripping mechanism to ensure the smooth progress of the subsequent docking and stretching work, but also can quickly complete the pushing and clamping work of the fastener body through the inner clamping component after the height adjustment, so as to avoid the fastener body from loosening before the tensile test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a side view of the overall device of the utility model;

[0018] Figure 2 The bracket of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 3 The bracket of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 4 This is a schematic diagram of the proofreading component of the present utility model;

[0021] Figure 5 This is a schematic diagram of the inner clip assembly of the present utility model;

[0022] In the figure: 1. Base; 11. First support; 12. Second support; 2. First cylinder; 21. Clamping mechanism; 3. Fastener body; 4. Support; 41. Rail groove; 42. Side panel; 421. First anti-slip pad; 5. Alignment assembly; 51. Forward and reverse motor; 511. Threaded rod; 52. Slide; 53. U-shaped rod; 54. Support plate; 6. Inner clamp assembly; 61. Second cylinder; 62. Push clamp; 621. Second anti-slip pad. DETAILED DESCRIPTION

[0023] The following will be combined with 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.

[0024] See also Figure 2 and Figure 3 The utility model provides a technical solution: a detection device for tensile testing of automobile fasteners, comprising a base 1, a gripping mechanism 21 arranged on one side above the base 1, and a fastener body 3 arranged on the other side above the base 1. A second support 12 is fixedly connected to one side of the top of the base 1, and a bracket 4 is fixedly connected to the second support 12. The fastener body 3 is located in the front groove of the bracket 4, and a proofreading component 5 that can support the fastener body 3 for lifting and adjustment is provided on the side of the bracket 4. An inner clamping component 6 that can push and clamp the fastener body 3 after adjustment is completed is also provided on the side of the bracket 4. This design solves the problem in the prior art that after one end of the fastener is placed in the slot, the height of the fastener axis is inconsistent with the height of the inner thread groove of the fixing column, thereby causing the threaded end of the fastener to be unable to normally dock with the thread groove.

[0025] See also Figure 1 A first support 11 is fixedly connected to the other side of the top of the base 1, and a first cylinder 2 is fixedly installed on the front of the first support 11. The telescopic end of the first cylinder 2 is fixedly connected to the grasping mechanism 21. The fastener body 3 can be grasped by the first cylinder 2, and the tensile test of the fastener body 3 can be completed by the first cylinder 2 after grasping.

[0026] See also Figure 3 and Figure 5 A rail groove 41 is provided on the outside of the bracket 4, and a side plate 42 is symmetrically fixedly connected to the front of the bracket 4. The inner sides of the two sets of side plates 42 are fixedly connected with a first anti-slip pad layer 421. The pushing clamping plate 62 cooperates with the side plate 42 to complete the pushing and clamping of the screw head end of the fastener body 3, and a first anti-slip pad layer 421 is provided on the side of the side plate 42 and a second anti-slip pad layer 621 is provided on the front of the pushing clamping plate 62 to increase the contact friction force of the fastener body 3 after being pushed and clamped.

[0027] See also Figure 4The proofreading assembly 5 includes a forward and reverse motor 51, which is fixedly mounted on the top of the bracket 4. The proofreading assembly 5 also includes a threaded rod 511, the top of the threaded rod 511 is fixedly connected to the forward and reverse motor 51, and the threaded rod 511 is rotatably connected to the rail groove 41 through the forward and reverse motor 51. The proofreading assembly 5 also includes a slide 52, which is threadedly connected to the outside of the threaded rod 511. The proofreading assembly 5 also includes a U-shaped rod 53, one end of the U-shaped rod 53 is fixedly connected to the slide 52, and the proofreading assembly 5 also includes a support plate 54, which is arranged on the bracket In the front groove, the bottom of the support plate 54 is fixedly connected to the other end of the U-shaped rod 53. After the screw head end of the fastener body 3 is placed on the support plate 54, the forward and reverse motor 51 can be started to drive the threaded rod 511 to rotate, thereby causing the slide 52 threadedly connected to the outside of the threaded rod 511 to move up and down synchronously. The slide 52 and the U-shaped rod 53 can also drive the support plate 54 and the fastener body 3 located above the support plate 54 to move up and down synchronously until the height of the fastener body 3 in the support seat 4 is aligned with the gripping mechanism 21.

[0028] See also Figure 5 The inner clamping assembly 6 includes a second cylinder 61, which is fixedly installed inside the bracket 4. The inner clamping assembly 6 also includes a pushing plate 62, which is fixedly connected to the telescopic end of the second cylinder 61. The inner clamping assembly 6 also includes a second anti-slip pad 621, which is fixedly connected to the side of the pushing plate 62. When the fastener body 3 completes the height adjustment in the bracket 4, the telescopic end of the second cylinder 61 can drive the pushing plate 62 to advance toward the side of the screw head end of the fastener body 3 until the pushing plate 62 cooperates with the side plate 42 to complete the pushing and clamping fixation of the fastener body 3.

[0029] The working principle and use process of this utility model are as follows:

[0030] When the screw head end of the fastener body 3 is placed on the support plate 54, the staff can start the forward and reverse motor 51 to drive the threaded rod 511 to rotate, thereby making the slide 52 threadedly connected to the outside of the threaded rod 511 move up and down synchronously, and the slide 52 and the U-shaped rod 53 can drive the support plate 54 and the fastener body 3 located above the support plate 54 to move up and down synchronously until the height of the fastener body 3 in the support seat 4 is aligned with the gripping mechanism 21. At this time, the first cylinder 2 can be started to drive the gripping mechanism 21 to advance toward the side of the fastener body 3 and complete the fixing work of the gripping mechanism 21 and the fastener body 3. At this time, the pushing clamp 62 can be driven by the telescopic end of the second cylinder 61 to advance toward the side of the screw head end of the fastener body 3 until the pushing clamp 62 cooperates with the side plate 42 to complete the pushing and clamping and fixing work of the fastener body 3. Finally, the telescopic end of the gripping mechanism 21 can be started to retract to perform a tensile test on the fixed fastener body 3.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 detection device for a tensile test of an automobile fastener, comprising a base (1), a gripping mechanism (21) arranged on one side above the base (1), and a fastener body (3) arranged on the other side above the base (1), characterized in that: A second support (12) is fixedly connected to one side of the top of the base (1), and a bracket (4) is fixedly connected to the upper portion of the second support (12). The fastener body (3) is located in a front slot of the bracket (4). A calibration component (5) capable of supporting the fastener body (3) for lifting and adjusting is provided on the side of the bracket (4). An inner clamping component (6) capable of pushing and clamping the fastener body (3) after adjustment is further provided on the side of the bracket (4).

2. The detection device for tensile testing of automobile fasteners according to claim 1, characterized in that: A first support (11) is fixedly connected to the other side of the top of the base (1), a first cylinder (2) is fixedly mounted on the front of the first support (11), and a telescopic end of the first cylinder (2) is fixedly connected to the gripping mechanism (21).

3. The detection device for tensile testing of automobile fasteners according to claim 1, characterized in that: A rail groove (41) is provided on the outside of the bracket (4), and a side plate (42) is symmetrically fixedly connected to the front groove of the bracket (4), and a first anti-slip pad layer (421) is fixedly connected to the inside of the two sets of side plates (42).

4. The detection device for tensile testing of automobile fasteners according to claim 1, characterized in that: The calibration component (5) includes a forward and reverse motor (51), which is fixedly mounted on the top of the bracket (4). The calibration component (5) also includes a threaded rod (511), the top of the threaded rod (511) is fixedly connected to the forward and reverse motor (51), and the threaded rod (511) is rotatably connected to the rail groove (41) through the forward and reverse motor (51).

5. The detection device for automobile fastener tensile test according to claim 1, characterized in that: The calibration assembly (5) further includes a slide (52), wherein the slide (52) is threadedly connected to the outside of the threaded rod (511). The calibration assembly (5) further includes a U-shaped rod (53), wherein one end of the U-shaped rod (53) is fixedly connected to the slide (52).

6. The detection device for tensile testing of automobile fasteners according to claim 1, characterized in that: The calibration assembly (5) further comprises a support plate (54), wherein the support plate (54) is arranged in a front slot of the support seat (4), and the bottom of the support plate (54) is fixedly connected to the other end of the U-shaped rod (53).

7. The detection device for automobile fastener tensile test according to claim 1, characterized in that: The inner clamping assembly (6) includes a second cylinder (61), which is fixedly mounted inside the bracket (4). The inner clamping assembly (6) also includes a push clamping plate (62), which is fixedly connected to the telescopic end of the second cylinder (61).

8. The detection device for tensile testing of automobile fasteners according to claim 1, characterized in that: The inner clamping assembly (6) further comprises a second anti-slip pad layer (621), wherein the second anti-slip pad layer (621) is fixedly connected to the side of the pushing clamping plate (62).

Citation Information

Patent Citations

  • Detection device for tensile experiment for automobile fastener production

    CN218297853U