CN-224231240-U - Spring fatigue degree detection device for compression spring production

Abstract

The utility model relates to the technical field of detection devices, and particularly discloses a spring fatigue detection device for compression spring production, which comprises a base, wherein a top plate is fixedly arranged right above the base through a supporting rod, an air cylinder is fixedly arranged on the top surface of the top plate, a movable plate is arranged below the top plate, the end part of an output shaft of the air cylinder is fixedly arranged in the middle of the movable plate, a disc is arranged between the base and the movable plate, two groups of symmetrical discs are arranged below the disc, the disc is fixedly arranged with the base through the supporting rod, the disc above the disc is fixedly arranged with the movable plate through the supporting rod, limit openings are formed in the discs, and arc plates which are uniformly distributed are arranged on the sides of the limit openings in a sliding mode.

Inventors

• ZHANG HONGGUO
• WANG JIANTING
• FANG DEJIN
• WANG JIANSHE
• CHEN CHENGCAI
• Zou Tangzhou

Assignees

• 杭州锐华模具弹簧有限公司

Dates

Publication Date

20260512

Application Date

20250509

Claims (6)

1. 1. The utility model provides a spring fatigue detection device is used in compression spring production, includes base (1), its characterized in that, there is roof (2) through branch fixed mounting directly over base (1), roof (2) top surface fixed mounting has cylinder (3), and roof (2) below is provided with fly leaf (4), cylinder (3) output shaft tip and fly leaf (4) middle part fixed mounting, be provided with disc (5) between base (1) and fly leaf (4), disc (5) are provided with two sets of symmetrical, below disc (5) pass through branch and base (1) fixed mounting, the top disc (5) pass through branch and fly leaf (4) fixed mounting, limit opening (6) have all been seted up on disc (5), disc (5) are located limit opening (6) side slip and are provided with evenly distributed's arc board (7), be provided with on disc (5) and be used for driving multiunit arc board (7) and be close to each other or drive piece (8) that keep away from each other horizontally simultaneously.
2. 2. The spring fatigue degree detection device for compression spring production according to claim 1, wherein the driving member (8) comprises a knob (81) rotatably provided on the disc (5), a first bevel gear (82) rotatably provided in the disc (5), a second bevel gear (83) rotatably provided in the disc (5) and uniformly distributed, a screw rod (84) rotatably provided in the disc (5), and a movable rod (85) slidably provided in the disc (5) and uniformly distributed.
3. 3. The spring fatigue degree detection device for compression spring production according to claim 2, wherein the rotating shaft end of the knob (81) is fixedly installed with the rotating shaft end of the first conical gear (82), the second conical gear (83), the screw rod (84) and the movable rod (85) are the same in set number as the arc plate (7), the second conical gear (83) is respectively in meshed transmission connection with the first conical gear (82), the rotating shaft end of the screw rod (84) is respectively fixedly installed with the rotating shaft end of the second conical gear (83), the movable rod (85) is respectively in threaded connection with the screw rod (84), and the movable rod (85) is respectively fixedly installed with the arc plate (7).
4. 4. The spring fatigue degree detection device for compression spring production according to claim 1, wherein a base plate is laid on the side edge of the arc plate (7), and the base plate is made of rubber.
5. 5. A spring fatigue detection device for compression spring production according to claim 3, characterised in that damping is provided between the knob (81) and the disc (5).
6. 6. The spring fatigue degree detection device for compression spring production according to claim 1, wherein a controller is arranged on the base (1), and the controller is electrically connected with the cylinder (3).

Description

Spring fatigue degree detection device for compression spring production Technical Field The utility model belongs to the technical field of detection devices, and particularly relates to a spring fatigue degree detection device for compression spring production. Background The utility model provides a spring fatigue detection device for compression spring production, is a mechanical equipment that is used for evaluating compression spring durability and fatigue life in the repeated compression and release process, and it carries out a lot of flexible cyclic loading test to it through the actual operating condition of simulation spring to detect the ability that the spring resisted fatigue damage, and then judge whether spring quality is qualified, ensure that compression spring accords with corresponding operation standard and requirement. In the existing spring fatigue degree detection device for compression spring production, the compression spring is used for the action of elastic force in the repeated compression and release detection process, the top end and the bottom end of the spring are easy to shake or shift, the detection stability is affected, and improvement is needed. Disclosure of utility model The utility model aims to provide a spring fatigue degree detection device for compression spring production, which aims to solve the problems in the background technology. In order to achieve the purpose, the spring fatigue degree detection device for the production of the compression spring comprises a base, wherein a top plate is fixedly arranged right above the base through a supporting rod, an air cylinder is fixedly arranged on the top surface of the top plate, a movable plate is arranged below the top plate, the end part of an output shaft of the air cylinder is fixedly arranged in the middle of the movable plate, a disc is arranged between the base and the movable plate, two symmetrical groups of discs are arranged below the disc, the discs are fixedly arranged with the base through the supporting rod, the discs above the discs are fixedly arranged with the movable plate through the supporting rod, limiting openings are formed in the discs, arc plates which are uniformly distributed are arranged on the sides of the limiting openings in a sliding mode, and driving pieces for driving multiple groups of arc plates to move horizontally to be close to each other or away from each other are arranged on the discs. By further describing the scheme, through the arrangement of the base, the top plate, the air cylinder, the movable plate, the disc, the limiting opening, the arc plate and the matched work between the driving parts, the top end and the bottom end of the compression spring with different sizes can be clamped and limited, so that the stability of the compression spring in the repeated compression and release detection process is improved, and the applicability of the device is improved. Preferably, the driving piece comprises a knob which is rotatably arranged on the disc, a first bevel gear which is rotatably arranged in the disc, a second bevel gear which is rotatably arranged in the disc and uniformly distributed, a screw rod which is rotatably arranged in the disc, and a movable rod which is slidably arranged in the disc and uniformly distributed. As a further description of the above, the elements within the driving member are described. Preferably, the rotary shaft end of the knob is fixedly mounted at the rotary shaft end of the conical gear, the conical gear II, the screw rod and the movable rod are identical in number with the arc plate in number, the conical gear II is respectively in meshed transmission connection with the conical gear I, the rotary shaft end of the screw rod is respectively fixedly mounted at the rotary shaft end of the conical gear II, the movable rod is respectively in threaded connection with the screw rod, and the movable rod is respectively fixedly mounted with the arc plate. As a further description of the above, the positional relationship between the elements in the driving member is described. Preferably, the base plate is paved on the side edge of the arc plate, and the base plate is made of rubber. As a further description of the scheme, the rubber backing plate is paved on the side edge of the arc plate, so that the stability of the arc plate for clamping the top edge and the bottom edge of the compression spring can be further improved, and the top edge and the bottom edge of the compression spring can be protected during clamping. Preferably, a damping is arranged between the knob and the disc. As further description of the scheme, damping is arranged between the knob and the disc, so that the knob can be kept stable in the repeated compression and release detection process of the compression spring, the stability of clamping the top edge and the bottom edge of the compression spring by the arc plate is further kept, and the stability of the compres