CN217638369U

CN217638369U - Pneumatic clamp device for metal material high-temperature fatigue testing machine

Info

Publication number: CN217638369U
Application number: CN202221662833.0U
Authority: CN
Inventors: 陈爱丽; 王向林; 张星
Original assignee: Chengdu Jiachen Technology Co ltd
Current assignee: Chengdu Jiachen Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-21
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of anchor clamps for the test machine, especially, be a pneumatic fixture device for metal material high temperature fatigue test machine, the test box comprises a test box, all fixed hot plate that is provided with on the both sides inner wall of test box, the fixed lantern ring that is provided with in top of test box, the fixed cylinder that is provided with in top of the lantern ring, the fixed intercommunication in one side of cylinder has last trachea and lower trachea, sliding sleeve is equipped with the piston in the cylinder, the fixed intercommunication in bottom of piston has the piston rod, the bottom mounting of piston rod is provided with the clamp plate, the both sides of clamp plate are all fixed and are provided with the connecting rod. The utility model has the advantages of reasonable design, can be pneumatic carry out the centre gripping to the metal material test piece fixed, made things convenient for and loaded and unloaded the metal material test piece, improved the efficiency of work, can carry out the centre gripping of controlling about from top to bottom to the metal material test piece fixed for fixed more firm avoids taking place to remove and leads to the fact the influence to the test result.

Description

Pneumatic clamp device for metal material high-temperature fatigue testing machine

Technical Field

The utility model relates to an anchor clamps technical field for the testing machine especially relates to a pneumatic fixture device for metal material high temperature fatigue testing machine.

Background

The electronic testing machine is a testing machine for measuring mechanical property parameters by adopting an electronic module, and can complete mechanical property tests of metal materials and non-metal materials, such as tensile, compression, bending, shearing and the like. The tester generally comprises a force application device, an extensometer, a clamp, a measurement control system and a parameter display and recording device. The fixture is a key accessory for connecting the test sample and a force applying device of the testing machine, and the applicability difference of the same testing machine is mainly reflected on the configuration of the fixture. For the material with the high-temperature fatigue mechanical property detection index, a high-temperature fatigue testing machine is needed to be used for testing the high-temperature fatigue mechanical property of the material.

However, the clamp for the common high-temperature testing machine is mostly manual clamping, so that the metal material test piece is relatively troublesome to assemble and disassemble, and meanwhile, the metal material test piece is inconvenient and omnibearing to clamp and fix, so that the fixing effect is poor, the normal test is influenced, and therefore the pneumatic clamp device for the metal material high-temperature fatigue testing machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a pneumatic clamp device for a metal material high-temperature fatigue testing machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a metal material high temperature fatigue test machine air jig device, includes the proof box, all the fixed hot plate that is provided with on the both sides inner wall of proof box, the fixed lantern ring that is provided with in top of proof box, the fixed cylinder that is provided with in top of the lantern ring, the fixed intercommunication in one side of cylinder has last trachea and lower trachea, sliding sleeve is equipped with the piston in the cylinder, the fixed intercommunication in bottom of piston has the piston rod, the bottom mounting of piston rod is provided with the clamp plate, the both sides of clamp plate are all fixed and are provided with the connecting rod, and the bottom of two connecting rods is all fixed and is provided with the pinion rack, the proof box internal fixation is provided with two seal boxes, it is provided with same cross axle to rotate on the both sides inner wall of seal box, the fixed cover in the outside of cross axle is equipped with gear and initiative helical gear, go up the pinion rack and mesh with last gear, it is provided with the vertical axis to rotate on the bottom inner wall of seal box, the fixed cover in the outside of vertical axis is equipped with driven helical gear and meshes with driven helical gear mutually, the pinion rack under the seal box internal motion cover, pinion rack meshes with lower gear mutually, two one end all fixed splint that are close to be provided with each other.

Preferably, the top of the seal box is fixedly provided with an upper sliding sleeve, and the upper toothed plate is sleeved in the upper sliding sleeve in a sliding manner.

Preferably, one side that two seal boxes are close to each other all fixedly is provided with lower sliding sleeve, and two lower pinion racks slip the cover respectively and establish in the lower sliding sleeve.

Preferably, a sealing door is rotatably arranged at the front side of the test box, and a handle is fixedly arranged at the front side of the sealing door.

Preferably, the top of the test box is provided with a through hole, and the piston rod is sleeved in the through hole in a sliding manner.

Preferably, a cooling cavity is formed in the lantern ring, a cold water inlet pipe is fixedly communicated with the inner wall of one side of the cooling cavity, and a water outlet pipe is arranged on the inner wall of the other side of the cooling cavity.

In the utility model, the pneumatic clamp device for the metal material high-temperature fatigue testing machine can pneumatically drive the piston rod to lift through the arrangement of the air cylinder, the upper air pipe, the lower air pipe, the piston and the piston rod so as to provide power for the pressing plate and the clamping plate to clamp or loosen, further can pneumatically clamp and fix the metal material test piece, is convenient for loading and unloading the metal material test piece and improves the working efficiency;

in the utility model, the pneumatic clamp device for the metal material high-temperature fatigue testing machine can clamp and fix the metal material test piece up and down and left and right through the matching of the lifting pressing plate, the connecting rod, the upper toothed plate, the upper gear, the transverse shaft, the driving bevel gear, the driven bevel gear, the vertical shaft, the lower gear, the lower toothed plate and the clamping plate, so that the fixation is firmer, and the influence on the test result caused by the movement is avoided;

the utility model has the advantages of reasonable design, can be pneumatic carry out the centre gripping to the metal material test piece fixed, made things convenient for and loaded and unloaded the metal material test piece, improved the efficiency of work, can carry out the centre gripping of controlling about from top to bottom to the metal material test piece fixed for fixed more firm avoids taking place to remove and leads to the fact the influence to the test result.

Drawings

Fig. 1 is a schematic structural view of a pneumatic clamp device for a metal material high-temperature fatigue testing machine provided by the utility model;

FIG. 2 is a cross-sectional view of a pneumatic fixture device for a metal material high temperature fatigue testing machine provided by the present invention;

fig. 3 is a schematic structural diagram of a part a of the pneumatic fixture device for a metal material high temperature fatigue testing machine according to the present invention.

In the figure: 1. a test chamber; 2. a collar; 3. a cylinder; 4. a piston; 5. a piston rod; 6. a lower trachea; 7. an upper trachea; 8. a cooling chamber; 9. a water outlet pipe; 10. a cold water inlet pipe; 11. pressing a plate; 12. a connecting rod; 13. an upper toothed plate; 14. heating plates; 15. a splint; 16. a sealing door; 17. a sealing box; 18. a horizontal axis; 19. a driving bevel gear; 20. an upper gear; 21. an upper sliding sleeve; 22. a driven helical gear; 23. a vertical axis; 24. a lower gear; 25. a lower toothed plate; 26. a lower sliding sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a pneumatic fixture device for a metal material high temperature fatigue tester comprises a test box 1, heating plates 14 are fixedly arranged on the inner walls of two sides of the test box 1, a lantern ring 2 is fixedly arranged on the top of the test box 1, an air cylinder 3 is fixedly arranged on the top of the lantern ring 2, an upper air pipe 7 and a lower air pipe 6 are fixedly communicated with one side of the air cylinder 3, a piston 4 is slidably sleeved in the air cylinder 3, a piston rod 5 is fixedly communicated with the bottom of the piston 4, a pressing plate 11 is fixedly arranged at the bottom end of the piston rod 5, connecting rods 12 are fixedly arranged on two sides of the pressing plate 11, an upper toothed plate 13 is fixedly arranged at the bottoms of the two connecting rods 12, two seal boxes 17 are fixedly arranged in the test box 1, the inner walls of two sides of the seal boxes 17 are rotatably provided with a same transverse shaft 18, an upper gear 20 and a driving helical gear 19 are fixedly sleeved on the outer side of the transverse shaft 18, the upper toothed plate 13 is meshed with the upper gear 20, a vertical shaft 23 is rotatably arranged on the inner wall of the bottom of the seal box 17, a driven bevel gear 22 and a lower gear 24 are fixedly sleeved on the outer side of the vertical shaft 23, a driving bevel gear 19 is meshed with the driven bevel gear 22, a lower toothed plate 25 is movably sleeved in the seal box 17, the lower toothed plate 25 is meshed with the lower gear 24, a clamping plate 15 is fixedly arranged at one end, close to each other, of each of the two lower toothed plates 25, a metal material test piece is placed in the test box 1, the upper air pipe 7 is inflated through an air compressor, the piston 4, the piston rod 5 and the pressing plate 11 are pushed to move downwards under air pressure to press and fix the metal material test piece, the metal material test piece can be fixed up and down, meanwhile, the pressing plate 11 drives the two connecting rods 12 and the upper toothed plate 13 to move downwards, the upper toothed plate 13 drives the upper gear 20, the transverse shaft 18 and the driving bevel gear 19 to rotate, the driving bevel gear 19 drives the driven bevel gear 22, vertical shaft 23 and lower gear 24's rotation, two lower gears 24 have driven two lower pinion rack 25 and splint 15 to be close to each other and contact with the both sides of metal material test piece, and then can carry out left and right centre gripping fixed to the metal material test piece, thereby can carry out the fixing of about from top to bottom to the metal material test piece, make fixed more firm, the effect of experiment has been guaranteed, when needing to take out the metal material test piece, aerify lower trachea 6 through air compressor, piston 4 has been driven under atmospheric pressure, piston rod 5 and clamp plate 11 shift up, clamp plate 11 drives the shifting up of pinion rack 13, under foretell transmission, two lower pinion rack 25 and splint 15 keep away from each other, and then can not carry out the centre gripping fixed to the metal material test piece, can take out the metal material test piece, thereby can pneumatics carry out the centre gripping fixed to the metal material test piece.

The utility model discloses in, the fixed sliding sleeve 21 that is provided with in top of seal box 17, go up the pinion rack 13 slip cap and establish in last sliding sleeve 21, be convenient for lead to last pinion rack 13, make more stable smooth and easy that it removed.

The utility model discloses in, one side that two seal box 17 are close to each other is all fixed to be provided with lower sliding sleeve 26, and two lower pinion rack 25 slip cap respectively establish in lower sliding sleeve 26, are convenient for lead lower pinion rack 25, make its removal more stable.

The utility model discloses in, the front side rotation of proof box 1 is provided with sealing door 16, and the fixed handle that is provided with in front side of sealing door 16 is convenient for get and puts the metal material test piece.

The utility model discloses in, the through-hole has been seted up at proof box 1's top, and piston rod 5 slip cover is established in the through-hole, is convenient for lead piston rod 5, makes more steady of its removal.

The utility model discloses in, seted up cooling chamber 8 in the lantern ring 2, fixed intercommunication has into cold water pipe 10 on one side inner wall of cooling chamber 8, has outlet pipe 9 on the opposite side inner wall of cooling chamber 8, through advancing cold water pipe 10, continuous to injecting cold water in the cooling chamber 8, through the cold water that flows, can cool off piston rod 5, and cold water heat absorption intensifies and discharges from outlet pipe 9.

In the utility model, when in operation, a metal material test piece is placed in the test box 1, the upper air pipe 7 is inflated by the air compressor, under the air pressure, the downward movement of the piston 4, the piston rod 5 and the pressing plate 11 is promoted to press down and fix the metal material test piece, so that the metal material test piece can be fixed up and down, simultaneously, the pressing plate 11 drives the downward movement of the two connecting rods 12 and the upper toothed plate 13, the upper toothed plate 13 drives the rotation of the upper gear 20, the transverse shaft 18 and the driving helical gear 19, the driving helical gear 19 drives the rotation of the driven helical gear 22, the vertical shaft 23 and the lower gear 24, the two lower gears 24 drive the two lower toothed plates 25 and the clamping plate 15 to approach each other and contact with the two sides of the metal material test piece, and then can carry out the centre gripping of left and right sides to the metal material test piece fixedly, thereby can carry out the fixing of upper and lower left and right sides to the metal material test piece, make fixed more firm, the effect of experiment has been guaranteed, when needs take out the metal material test piece, aerify lower trachea 6 through air compressor, the piston 4 has been driven under atmospheric pressure, shifting up of piston rod 5 and clamp plate 11, clamp plate 11 drives shifting up of pinion rack 13, under foretell transmission, two pinion racks 25 and splint 15 keep away from each other down, and then can not carry out the centre gripping fixedly to the metal material test piece, can take out the metal material test piece, thereby can be pneumatic carry out the centre gripping fixedly to the metal material test piece, made things convenient for loading and unloading the metal material test piece, the efficiency of work has been improved.

Claims

1. The utility model provides a pneumatic fixture device for metal material high temperature fatigue test machine, includes test box (1), its characterized in that, all fixed hot plate (14) of being provided with on the both sides inner wall of test box (1), the fixed lantern ring (2) that is provided with in top of test box (1), the fixed cylinder (3) that is provided with in top of lantern ring (2), the fixed intercommunication in one side of cylinder (3) has last trachea (7) and lower trachea (6), sliding sleeve is equipped with piston (4) in cylinder (3), the fixed intercommunication in bottom of piston (4) has piston rod (5), the bottom mounting of piston rod (5) is provided with clamp plate (11), the both sides of clamp plate (11) all are fixed and are provided with connecting rod (12), and the bottom of two connecting rod (12) all is fixed and is provided with pinion rack (13), test box (1) internal fixation is provided with two seal box (17), it is provided with same cross axle (18) to rotate on the both sides inner wall of seal box (17), the outside of fixed cover (18) is equipped with gear (20) and initiative pinion (19), go up pinion rack (13) and last pinion (23) and the bevel gear meshing, helical gear (23) fixed outer side of being provided with helical gear (23) the vertical axis (23), initiative helical gear (19) and driven helical gear (22) mesh mutually, baffle (25) down is equipped with to seal box (17) internalization cover, lower baffle (25) mesh mutually with lower gear (24), and the one end that two lower baffles (25) are close to each other all is fixed and is provided with splint (15).

2. The pneumatic fixture device for the metal material high-temperature fatigue testing machine according to claim 1, wherein an upper sliding sleeve (21) is fixedly arranged at the top of the seal box (17), and the upper toothed plate (13) is slidably sleeved in the upper sliding sleeve (21).

3. The pneumatic fixture device for the metal material high-temperature fatigue testing machine according to claim 1, wherein one side of each of the two seal boxes (17) close to each other is fixedly provided with a lower sliding sleeve (26), and the two lower toothed plates (25) are respectively slidably sleeved in the lower sliding sleeves (26).

4. The pneumatic fixture device for the metal material high-temperature fatigue testing machine according to claim 1, wherein a sealing door (16) is rotatably arranged on the front side of the test box (1), and a handle is fixedly arranged on the front side of the sealing door (16).

5. The pneumatic clamp device for the metal material high-temperature fatigue testing machine according to claim 1, wherein a through hole is formed in the top of the test box (1), and the piston rod (5) is slidably sleeved in the through hole.

6. The pneumatic clamp device for the metal material high-temperature fatigue testing machine according to claim 1, wherein a cooling cavity (8) is formed in the lantern ring (2), a cold water inlet pipe (10) is fixedly communicated with the inner wall of one side of the cooling cavity (8), and a water outlet pipe (9) is arranged on the inner wall of the other side of the cooling cavity (8).