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CN-224223713-U - Vibration test fixture

CN224223713UCN 224223713 UCN224223713 UCN 224223713UCN-224223713-U

Abstract

The utility model discloses a vibration test fixture, which comprises a base, wherein a clamping mechanism is arranged on the base, the clamping mechanism comprises a fixing plate, an air cylinder, a connecting sleeve, a guide sleeve, an ejector rod, a jacking block and an adapting mechanism, the fixing plate is provided with a plurality of groups of fixing plates, the air cylinder is fixed between the plurality of groups of fixing plates, the connecting sleeve is fixed at the telescopic ends of the plurality of groups of air cylinders, the guide sleeve is provided with a plurality of groups of fixing plates, the ejector rod slides in the plurality of groups of guide sleeves, the jacking block is fixed at the top ends of the plurality of groups of ejector rods, and the clamping mechanism realizes the primary clamping and positioning function of the vibration test workpiece through the cooperation of the fixing plate, the air cylinder, the connecting sleeve, the guide sleeve, the ejector rod and the jacking block arranged on the base, so that the problem that workpieces in different shapes are difficult to adapt to in the prior art is solved, and the air cylinder driving system can provide stable and controllable clamping force.

Inventors

  • ZHANG ZHONGYUAN

Assignees

  • 苏州普林特自动化科技有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (8)

  1. 1. A vibration test fixture comprises a base (1) and is characterized in that a clamping mechanism is arranged on the base (1), the clamping mechanism comprises a fixing plate (2), an air cylinder (3), a connecting sleeve (4), a guide sleeve (5), a push rod (6), a push block (7) and an adapting mechanism, multiple groups of fixing plates are arranged on the fixing plate (2), the air cylinder (3) is fixed between the multiple groups of fixing plates (2), the connecting sleeve (4) is fixed at the telescopic ends of the multiple groups of air cylinders (3), multiple groups of fixing plates are arranged on the inner wall of the connecting sleeve (4), the push rod (6) slides in the multiple groups of guide sleeves (5), and the push block (7) is fixed at the top ends of the multiple groups of push rods (6).
  2. 2. The vibration test fixture according to claim 1, wherein the adapting mechanism comprises a limiting ring (8), a connecting plate (9) and a reset spring (10), the limiting ring (8) is fixed on the inner wall of the connecting sleeve (4) and is in sliding connection with the plurality of groups of ejector rods (6), the connecting plate (9) is fixed at the bottom ends of the plurality of groups of ejector rods (6), and the reset spring (10) is arranged on the outer wall of the plurality of groups of ejector rods (6) and is connected with the plurality of groups of connecting plates (9) and the limiting ring (8).
  3. 3. The vibration test fixture according to claim 2, wherein a plurality of groups of guide grooves (11) are formed in the outer sides of the guide sleeves (5), guide plates (12) are fixedly arranged on the outer walls of the ejector rods (6), and the guide plates (12) are respectively connected with the guide grooves (11) in a sliding mode.
  4. 4. A vibration testing fixture according to claim 3, wherein the top ends of the plurality of groups of ejector rods (6) are fixedly provided with rubber blocks (13).
  5. 5. The vibration test fixture according to claim 4, wherein the outer side of the connecting sleeve (4) is provided with a fastening mechanism, the fastening mechanism comprises a sliding groove (14), a sliding sleeve (15), a push ring (16), a chute (17), a bevel block (18) and an abutting block (19), the sliding groove (14) is provided with a plurality of groups distributed on the outer side of the connecting sleeve (4), the sliding sleeve (15) slides in the plurality of groups of the sliding groove (14), the push ring (16) is fixed on the inner side of the sliding sleeve (15), the chute (17) is provided with a plurality of groups distributed on the inner wall of the connecting sleeve (4), the bevel block (18) slides in the plurality of groups of the chute (17), and the abutting block (19) is fixed on the inner side of the plurality of groups of bevel blocks (18).
  6. 6. A vibration testing jig according to claim 5, wherein the inner sides of the plurality of groups of abutting blocks (19) are provided with grooves adapted to the ejector pins (6).
  7. 7. The vibration testing fixture according to claim 6, wherein a matching sleeve (20) is fixedly arranged on the outer side of the sliding sleeve (15), a rotating sleeve (21) is rotatably arranged on the outer wall of the connecting sleeve (4), a threaded sleeve (22) is connected on the outer side of the rotating sleeve (21), and the threaded sleeve (22) is in threaded connection with the matching sleeve (20).
  8. 8. The vibration test fixture according to claim 7, wherein a positioning sleeve (23) is fixedly arranged on the outer side of the rotating sleeve (21), sliding holes (24) are formed in the inner wall of the positioning sleeve (23), a plurality of groups of sliding holes (24) are distributed on the inner side of the positioning sleeve (23), positioning blocks (25) are slidably arranged in the sliding holes (24), pushing springs (26) are connected between the top ends of the positioning blocks (25) and the inner side of the sliding holes (24), positioning grooves (27) are formed in the outer wall of the connecting sleeve (4), and the positioning grooves (27) are provided with a plurality of groups and are respectively in butt joint with the positioning blocks (25).

Description

Vibration test fixture Technical Field The utility model relates to the technical field of vibration testing, in particular to a vibration testing clamp. Background In the industrial production and quality control process, vibration test is a key link for evaluating the reliability and durability of products, when vibration test is carried out on workpieces with different shapes and sizes, the workpieces are required to be firmly fixed on a test platform so as to ensure the accuracy and consistency of test results, however, the conventional vibration test fixing device is usually designed for workpieces with specific shapes, and when facing workpieces with different shapes and complex structures, the devices are difficult to realize effective clamping, so that the workpieces can be loosened, displaced or even fall off in the test process, the reliability of the test results is influenced, and the test equipment or the workpieces can be damaged; In the fields of electronic products, aerospace components, precision machinery and the like, the shapes and structures of workpieces are increasingly diversified, higher requirements are put forward on the universality and the adaptability of vibration test fixtures, the traditional vibration test fixtures are usually designed by adopting fixed structures, the adjustment capability is limited, the special requirements of different workpieces are difficult to adapt, in addition, the existing fixtures possibly cause unnecessary pressure or damage to the surfaces of the workpieces in the clamping process, and particularly, the problem is particularly remarkable when the existing fixtures are used for surface treatment of workpieces with fine or fragile materials. Disclosure of utility model (One) solving the technical problems Aiming at the problems in the prior art, the utility model provides a vibration test fixture to solve the technical problems in the background art. (II) technical scheme The vibration test fixture comprises a base, wherein a clamping mechanism is arranged on the base, the clamping mechanism comprises a fixing plate, an air cylinder, a connecting sleeve, a guide sleeve, a push rod, a push block and an adapting mechanism, the fixing plate is provided with a plurality of groups of fixing plates, the air cylinder is fixed between the plurality of groups of fixing plates, the connecting sleeve is fixed at the telescopic ends of the plurality of groups of air cylinders, the guide sleeve is provided with a plurality of groups of fixing plates, the push rod slides in the plurality of groups of guide sleeves, and the push block is fixed at the top ends of the plurality of groups of push rod. The utility model is further arranged that the adapting mechanism comprises a limiting ring, a connecting plate and a reset spring, wherein the limiting ring is fixed on the inner wall of the connecting sleeve and is in sliding connection with the plurality of groups of ejector rods, the connecting plate is fixed at the bottom ends of the plurality of groups of ejector rods, and the reset spring is arranged on the outer wall of the plurality of groups of ejector rods and is connected with the plurality of groups of connecting plates and the limiting ring, so that stable adjustment and positioning of the ejector rods can be realized, and accurate operation of the device in the use process is ensured. The utility model is further provided with a plurality of groups of guide sleeves, wherein the outer sides of the guide sleeves are respectively provided with a guide groove, the outer walls of the ejector rods are respectively fixedly provided with a guide plate, and the guide plates are respectively in sliding connection with the guide grooves, so that the accurate guide of the ejector rods is ensured, the friction and deviation generated in the movement process are reduced, and the working stability of the device is improved. The utility model is further provided with a plurality of groups of rubber blocks fixedly arranged at the top ends of the ejector rods, so that impact force generated when the ejector rods are contacted with other parts is reduced, equipment is protected from abrasion, and the service life is prolonged. The utility model is further arranged that a fastening mechanism is arranged on the outer side of the connecting sleeve, the fastening mechanism comprises a sliding groove, a sliding sleeve, a push ring, a chute, an inclined block and an abutting block, a plurality of groups of sliding grooves are arranged on the outer side of the connecting sleeve, the sliding sleeve slides in the plurality of groups of sliding grooves, the push ring is fixed on the inner side of the sliding sleeve, a plurality of groups of sliding grooves are arranged on the inner wall of the connecting sleeve, the inclined block slides in the plurality of groups of sliding grooves, the abutting block is fixed on the inner side of the plurality of groups of inclined blocks, the co