Device for automatically testing tension and compression life of spring of metal fitting

By designing an automatic testing device for the tensile and compressive life of metal parts springs, an automatic tensile and compressive life test of springs is achieved using an electric cylinder and screw structure, which solves the problem of inconvenient testing in the existing technology and improves the testing effect.

CN223910484UActive Publication Date: 2026-02-13RHEA LINKAGE HARDWARE PROD (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202520501349.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-13
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In the existing technology, during the processing of metal parts springs, it is not convenient to continuously and repeatedly pull the spring body during inspection, which affects the inspection results.

Method used

Design an automatic testing device for the tensile and compressive life of metal fitting springs. The device adopts an electric cylinder, a programmable automatic control testing module, and a fixed plate structure connected by wires. The first pull plate is driven by the extension and retraction of the piston rod of the electric cylinder to perform the tensile and compressive life test of the spring. The position of the second pull plate is adjusted by the screw and the handle to accommodate different tensile strengths.

Benefits of technology

It enables stable and automated tensile and compressive life testing of metal component springs, adapting to springs with different tensile strengths and improving testing results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of spring testing, and discloses a metal fitting spring tension and compression life automatic testing device which comprises a fixing plate, an electric cylinder, a programming automatic control testing module and a wire, the electric cylinder is fixedly connected to the bottom of the fixing plate, the programming automatic control testing module is arranged on the outer side of the fixing plate, and the wire is arranged on the fixing plate. The programming automatic control test module and the electric cylinder are electrically connected through a wire, two supporting columns are fixedly connected to the upper surface of the fixing plate, and a hanging plate is fixedly connected to the top ends of the two supporting columns at the same time. According to the utility model, the test spring is hung and sleeved on the rod wall of the installation hanging rod, the programming automatic control test module can carry out driving control on the electric cylinder through the lead, the electric cylinder drives the piston rod to stretch out and draw back according to an instruction, and the first pull plate can be pulled to move downwards through the connecting seat and the fixed seat to carry out stretching out and draw back processing on the test spring. Therefore, the tension and compression life test is performed, and the test effect of the test spring is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spring test technical field especially relates to a metal fitting spring tension and pressure life automatic testing device. BACKGROUND

[0002] Metal fitting spring is a kind of mechanical parts using the elastic property of metal material, deforms under external force, and can restore original shape after external force is removed, it is usually made of spring steel or other elastic alloy, is widely used in various mechanical equipment, electronic products, automobile, furniture and many other fields, plays shock absorption, energy storage, reset, clamping and multiple functions.

[0003] In the prior art, in the use process of metal fitting spring processing, in order to guarantee the use effect of metal fitting spring, metal fitting spring needs to be tested, and the spring body is not convenient for continuous and repeated pulling during detection, which can affect the detection effect of spring.Therefore, the present application designs a kind of metal fitting spring tension and pressure life automatic testing device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the prior art in the use process of metal fitting spring processing, in order to guarantee the use effect of metal fitting spring, metal fitting spring needs to be tested, and the spring body is not convenient for continuous and repeated pulling during detection, which can affect the detection effect of spring.Therefore, the present application designs a kind of metal fitting spring tension and pressure life automatic testing device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of metal fitting spring tension and pressure life automatic testing device, including fixed plate, electric cylinder, programming automatic control test module and wire, the electric cylinder is fixedly connected at the bottom of fixed plate, the programming automatic control test module is set at the outside of fixed plate, the programming automatic control test module and electric cylinder are electrically connected using wire, the upper surface of fixed plate is fixedly connected with two support columns, the top of two support columns is fixedly connected with hanger plate simultaneously, first pull plate and second pull plate are slid simultaneously on the column body of two support columns, a plurality of test springs are arranged at the gap of first pull plate and second pull plate, the piston rod of electric cylinder extends to the below of first pull plate penetrating fixed plate.

[0007] Preferably, the side corresponding to the first pull plate and the second pull plate is fixedly connected with a plurality of connecting plates respectively, and the side corresponding to the plurality of connecting plates is fixedly connected with a mounting boom respectively.

[0008] Preferably, the mounting boom is provided with a through hole in the inside, and the two ends of the test spring are buckled on the inner wall of the through hole of the mounting boom.

[0009] Preferably, the inner wall of the second pull plate is threadedly connected with a screw rod, and the top end rod wall of the screw rod is rotationally connected to the top end inner wall of the hanging plate.

[0010] Preferably, the top end rod wall of the screw rod extends above the hanging plate and is fixedly connected with a rotating handle.

[0011] Preferably, the bottom of the first pull plate is fixedly connected with a fixed seat, the bottom of the fixed seat is fixedly connected with a connecting seat, and the end of the connecting seat away from the fixed seat is fixedly connected with the piston rod end of the electric cylinder.

[0012] Compared with the prior art, the metal accessory spring tension and compression life automatic testing device has the following beneficial effects:

[0013] 1. The metal accessory spring tension and compression life automatic testing device, by hanging the test spring on the rod wall of the installation hanging rod, the programming automatic control test module can drive and control the electric cylinder through the wire, so that the electric cylinder drives the piston rod to extend and retract according to the instruction, the first pull plate can be pulled down through the connecting seat and the fixed seat, and the test spring can be stretched and retracted, so that the tension and compression life test is performed, and the test effect of the test spring is ensured.

[0014] 2. The metal accessory spring tension and compression life automatic testing device, by rotating the rotating handle, the screw rod can be driven to rotate along the inner wall of the hanging plate, and since the second pull plate is threadedly connected with the screw rod, the second pull plate will slide along the column body of the supporting column when the screw rod rotates, the position of the second pull plate can be adjusted, and the detection equipment can be stably tested when the spring with different tensile strengths is detected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first structure perspective view of the metal accessory spring tension and compression life automatic testing device.

[0016] Figure 2 It is a second structure perspective view of the metal accessory spring tension and compression life automatic testing device.

[0017] Figure 3 It is a third structure perspective view of the metal accessory spring tension and compression life automatic testing device.

[0018] Figure 4 It is Figure 2 It is a structure enlarged schematic view of the local part A.

[0019] In the figure: 1 fixed plate, 2 electric cylinder, 3 programmed automatic control test module, 4 wire, 5 support column, 6 hanging plate, 7 first pull plate, 8 second pull plate, 9 connecting plate, 10 test spring, 11 installation hanging rod, 12 screw rod, 13 handle, 14 fixed seat, 15 connecting seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4 A kind of metal fitting spring tension and compression life automatic testing device, including fixed plate 1, electric cylinder 2, programmed automatic control test module 3 and wire 4, electric cylinder 2 is fixedly connected at the bottom of fixed plate 1, programmed automatic control test module 3 is set at the outside of fixed plate 1, programmed automatic control test module 3 and electric cylinder 2 are electrically connected using wire 4, the upper surface of fixed plate 1 is fixedly connected with two support columns 5, the top of two support columns 5 is fixedly connected with hanging plate 6 simultaneously, first pull plate 7 and second pull plate 8 are slidably arranged on the column body of two support columns 5 simultaneously, multiple test springs 10 are arranged at the gap of first pull plate 7 and second pull plate 8, the piston rod of electric cylinder 2 extends to the below of first pull plate 7 and penetrates fixed plate 1, the bottom of first pull plate 7 is fixedly connected with fixed seat 14, the bottom of fixed seat 14 is fixedly connected with connecting seat 15, the end of connecting seat 15 away from fixed seat 14 is fixedly connected with the end portion of the piston rod of electric cylinder 2.

[0022] The side corresponding to first pull plate 7 and second pull plate 8 is fixedly connected with multiple connecting plates 9 respectively, the side corresponding to multiple connecting plates 9 is fixedly connected with installation hanging rod 11 respectively, through hole is formed in the inside of installation hanging rod 11, the both ends of test spring 10 are buckled on the inner wall of through hole of installation hanging rod 11.

[0023] When using, test spring 10 is hung on the rod wall of installation hanging rod 11, programmed automatic control test module 3 can drive control electric cylinder 2 through wire 4, so that electric cylinder 2 drives piston rod to extend and retract according to instruction, first pull plate 7 can be pulled down to move through connecting seat 15 and fixed seat 14, test spring 10 is processed to extend and retract, so that tension and compression life test is carried out, and the test effect of test spring 10 is guaranteed.

[0024] In order to make the detection equipment can carry out stable test processing when aiming at spring of different tensile strength, as shown in Figures 1-4 The inner wall of second pull plate 8 is threadedly connected with screw rod 12, the top end rod wall of screw rod 12 is rotatably connected with the top end inner wall of hanging plate 6, and the top end rod wall of screw rod 12 extends to the above of hanging plate 6 and is fixedly connected with handle 13.

[0025] Rotating the rotating handle 13 can drive the screw rod 12 to rotate along the inner wall of the hanging plate 6, and since the second pull plate 8 is threadedly connected with the screw rod 12, the second pull plate 8 will slide along the column body of the supporting column 5 when the screw rod 12 rotates, so that the position of the second pull plate 8 can be adjusted, and the detection equipment can be stably tested when the spring with different tensile strengths.

[0026] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A metal fitting spring tension and pressure life automatic testing device, comprising a fixed plate (1), an electric cylinder (2), a programmed automatic control testing module (3) and a wire (4), characterized in that: The electric cylinder (2) is fixedly connected at the bottom of the fixed plate (1), the programmed automatic control test module (3) is arranged outside the fixed plate (1), the programmed automatic control test module (3) and the electric cylinder (2) are electrically connected by wires (4), the upper surface of the fixed plate (1) is fixedly connected with two supporting columns (5), the top ends of the two supporting columns (5) are fixedly connected with a hanging plate (6) at the same time, the first pull plate (7) and the second pull plate (8) are slidably arranged on the column bodies of the two supporting columns (5) at the same time, a plurality of test springs (10) are arranged at the gap of the first pull plate (7) and the second pull plate (8), and the piston rod of the electric cylinder (2) extends to below the first pull plate (7) through the fixed plate (1).

2. The automatic testing device for spring tension and pressure life of metal fittings according to claim 1, characterized in that: A plurality of connecting plates (9) are fixedly connected on the sides corresponding to the first pull plate (7) and the second pull plate (8) respectively, and a mounting hanging rod (11) is fixedly connected on the side corresponding to each connecting plate (9).

3. The automatic testing device for spring tension and pressure life of metal fittings according to claim 2, characterized in that: A through hole is formed in the mounting hanging rod (11), and both ends of the test spring (10) are buckled on the inner wall of the through hole of the mounting hanging rod (11).

4. The automatic testing device for spring tension and pressure life of metal fittings according to claim 1, characterized in that: A screw rod (12) is threadedly connected to the inner wall of the second pull plate (8), and the top end of the screw rod (12) is rotatably connected to the top inner wall of the hanging plate (6).

5. The automatic testing device for spring tension and pressure life of metal fittings according to claim 4, characterized in that: The top end of the screw rod (12) extends above the hanging plate (6) and is fixedly connected with a handle (13).

6. The automatic testing device for spring tension and pressure life of metal fittings according to claim 1, characterized in that: A fixed seat (14) is fixedly connected to the bottom of the first pull plate (7), a connecting seat (15) is fixedly connected to the bottom of the fixed seat (14), and the end of the connecting seat (15) away from the fixed seat (14) is fixedly connected with the piston rod end of the electric cylinder (2).