CN219224387U

CN219224387U - Clamping fixture for universal material testing machine

Info

Publication number: CN219224387U
Application number: CN202320725768.XU
Authority: CN
Inventors: 李明丰; 张方; 滕飞
Original assignee: Shandong Tianfang Engineering Testing Co ltd
Current assignee: Shandong Tianfang Engineering Testing Co ltd
Priority date: 2023-04-05
Filing date: 2023-04-05
Publication date: 2023-06-20
Anticipated expiration: 2033-04-05

Abstract

The utility model provides a clamping fixture for a universal material testing machine, which relates to the technical field of material testing and comprises a mounting plate, wherein a turnover mechanism is fixedly arranged at the top of the mounting plate; the turnover mechanism comprises a limiting frame and a sliding plate, wherein the limiting frame is fixedly arranged at the top of the mounting plate, a pneumatic push rod is arranged on one side of the limiting frame, the sliding plate is arranged on the surface of the limiting frame in a sliding mode, a fixing plate is fixedly connected to one side of the sliding plate, one end of the pneumatic push rod is fixedly connected with the fixing plate, a rack is fixedly arranged on the surface of the sliding plate, and a mounting frame is fixedly arranged on one side, away from the pneumatic push rod, of the limiting frame. According to the utility model, the object to be detected can be conveniently positioned through the moving frame, the fixing clamp, the knob, the screw rod, the sliding rod and the moving block, and then the control box can be conveniently rotated through the pneumatic push rod, the sliding plate, the rack, the mounting frame, the rotating rod, the gear and the limiting frame, so that the object can be conveniently rotated during detection.

Description

Clamping fixture for universal material testing machine

Technical Field

The utility model relates to the technical field of material tests, in particular to a clamping fixture for a universal material testing machine.

Background

The universal material testing machine is also called a universal tensile machine or an electronic tensile machine, an independent servo loading system and a high-precision broadband electrohydraulic servo valve are used for ensuring high precision, high efficiency, low noise and quick response of the system, is suitable for testing of stretching, compressing, bending, shearing and the like of metal materials and components, can also be used for testing similar tests of nonmetallic materials such as plastics, concrete, cement and the like, and can position and clamp an object through a clamping fixture when the test is carried out, so that falling is prevented.

In the prior art, as chinese patent CN217819685U discloses a clamping fixture for universal material testing machine, including the testing machine body, the equal fixedly connected with guide post in both sides of testing machine body inner chamber, the surface sliding connection of two guide posts has the push plate, the top fixedly connected with electric telescopic handle of testing machine body inner chamber, electric telescopic handle's output shaft and push plate fixed connection, the bottom fixedly connected with spill piece of testing machine body inner chamber, the board is placed to the top fixedly connected with of spill piece, the equal fixedly connected with fixed block in both sides of spill piece inner chamber bottom. The universal material testing machine has the advantage of good fixing effect, and in the actual use process, the articles with different sizes or specifications can be clamped, so that the positions of the articles are not easy to deviate when being placed, the articles are more comprehensive when being tested, the testing efficiency is improved, and the practicability of the universal material testing machine is improved.

However, during the experiment, the angle and the direction of the object cannot be continuously adjusted after the object is positioned and clamped by the common clamp, so that the object needs to be disassembled, repositioned and clamped when the object is detected later, various data detection operations such as compression, stretching, bending and the like are facilitated, and the clamp may slip when the object is positioned and clamped due to the fact that the shape of the object may be irregular.

Disclosure of Invention

The utility model aims to solve the problem that the angle and the direction of an object cannot be continuously adjusted after clamping in the prior art, and provides a clamping fixture for a universal material testing machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the clamping fixture for the universal material testing machine comprises a mounting plate, wherein a turnover mechanism is fixedly arranged at the top of the mounting plate;

the turnover mechanism comprises a limit frame and a sliding plate, wherein the limit frame is fixedly arranged at the top of the mounting plate, a pneumatic push rod is arranged on one side of the limit frame, the sliding plate is arranged on the surface of the limit frame in a sliding manner, a fixing plate is fixedly connected to one side of the sliding plate, one end of the pneumatic push rod is fixedly connected with the fixing plate, a rack is fixedly arranged on the surface of the sliding plate, a mounting frame is fixedly arranged on one side of the limit frame, away from the pneumatic push rod, of the limit frame, a rotating rod is arranged on the inner side of the top end of the mounting frame, a gear and a moving mechanism are fixedly connected to two ends of the rotating rod respectively, and the gear is meshed with the rack.

Preferably, the center of the top of the limiting frame is recessed downwards to form a sliding groove, and the bottom end of the sliding plate is slidably arranged in the sliding groove.

Preferably, the moving mechanism comprises a control box and a screw rod, a slide bar and the screw rod are arranged in the inner cavity of the control box, two moving blocks are arranged in the inner cavity of the control box, the bottom ends of the moving blocks are sleeved on the surface of the screw rod through threads, the top ends of the moving blocks are sleeved with the slide bar in a sliding manner, and two clamps are arranged on one side of the moving mechanism.

Preferably, both ends of the sliding rod are fixedly connected with the inner wall of the control box, and the centers of the sliding rod and the screw rod are provided with a stop block.

Preferably, a knob is arranged on one side of the control box, one end of the knob is fixedly connected with a screw rod, one end of the screw rod, far away from the knob, is rotationally connected with the inner wall of the control box, and opposite threads are arranged on the inner sides of the two moving blocks.

Preferably, one end of the moving block penetrates through the control box to be fixedly connected with the moving frame, and the moving frame is slidably arranged on the surface of the control box.

Preferably, the fixture comprises a movable frame and fixing clamps, a controller is fixedly arranged on one side of the movable frame, two fixing clamps are symmetrically arranged on one side of the controller, and arc-shaped grooves are formed in the opposite sides of the two fixing clamps.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the object to be detected can be conveniently positioned through the moving frame, the fixing clamp, the knob, the screw rod, the sliding rod and the moving block, and then the control box can be conveniently rotated through the pneumatic push rod, the sliding plate, the rack, the mounting frame, the rotating rod, the gear and the limiting frame, so that the object can be conveniently rotated during detection.

2. According to the utility model, the object can be conveniently clamped by the controller and the arc groove, and the sliding rod can play a role in guiding and limiting when the moving block moves.

Drawings

FIG. 1 is a perspective view of a clamping fixture for a universal material testing machine in accordance with the present utility model;

FIG. 2 is a perspective view of a turnover mechanism of a clamping fixture for a universal material testing machine according to the present utility model;

FIG. 3 is a rear perspective view of a clamping fixture for a universal material testing machine in accordance with the present utility model;

fig. 4 is a perspective view of a moving mechanism of a clamping fixture for a universal material testing machine.

Legend description: 1. a clamp; 11. a moving rack; 12. a fixing clamp; 13. a controller; 14. an arc-shaped groove; 2. a moving mechanism; 21. a control box; 22. a moving block; 23. a screw rod; 24. a slide bar; 25. a knob; 3. a turnover mechanism; 31. a pneumatic push rod; 32. a sliding plate; 33. a rack; 34. a mounting frame; 35. a rotating lever; 36. a gear; 37. a limiting frame; 38. a fixing plate; 4. and (3) mounting a plate.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-3, the present utility model provides a technical solution: the clamping fixture for the universal material testing machine comprises a mounting plate 4, wherein a turnover mechanism 3 is fixedly arranged at the top of the mounting plate 4;

the turnover mechanism 3 comprises a limit frame 37 and a sliding plate 32, wherein the limit frame 37 is fixedly arranged at the top of the mounting plate 4, a pneumatic push rod 31 is arranged on one side of the limit frame 37, the sliding plate 32 is slidably arranged on the surface of the limit frame 37, a fixed plate 38 is fixedly connected to one side of the sliding plate 32, one end of the pneumatic push rod 31 is fixedly connected with the fixed plate 38, a rack 33 is fixedly arranged on the surface of the sliding plate 32, a mounting frame 34 is fixedly arranged on one side, away from the pneumatic push rod 31, of the limit frame 37, a rotating rod 35 is arranged on the inner side of the top end of the mounting frame 34, a gear 36 and a moving mechanism 2 are respectively and fixedly connected to two ends of the rotating rod 35, and the gear 36 is meshed with the rack 33; the centre of the top of the limiting frame 37 is recessed downwards to form a sliding groove, the bottom end of the sliding plate 32 is slidably mounted in the sliding groove, the fixed plate 38 can be pushed to move through the pneumatic push rod 31, the fixed plate 38 can drive the sliding plate 32 to slide in the sliding groove at the top of the limiting frame 37, when the sliding plate 32 moves, the gear 36 can be driven to rotate through the rack 33 at the top, when the gear 36 rotates, the moving mechanism 2 at one side can be driven to rotate through the rotating rod 35, the direction of an object can be adjusted, and the operation detection such as compression, bending and the like can be conveniently carried out.

As shown in fig. 3-4, the moving mechanism 2 comprises a control box 21 and a screw rod 23, a slide bar 24 and the screw rod 23 are arranged in the inner cavity of the control box 21, two moving blocks 22 are arranged in the inner cavity of the control box 21, the bottom ends of the moving blocks 22 are sleeved on the surface of the screw rod 23 through threads, the top ends of the moving blocks 22 are in sliding sleeve joint with the slide bar 24, and two clamps 1 are arranged on one side of the moving mechanism 2; both ends of the slide bar 24 are fixedly connected with the inner wall of the control box 21, and the centers of the slide bar 24 and the screw rod 23 are provided with a stop block; one side of the control box 21 is provided with a knob 25, one end of the knob 25 is fixedly connected with a screw rod 23, one end of the screw rod 23 far away from the knob 25 is rotationally connected with the inner wall of the control box 21, and the inner sides of the two moving blocks 22 are provided with opposite threads; one end of the moving block 22 penetrates through the control box 21 and is fixedly connected with the moving frame 11, and the moving frame 11 is slidably arranged on the surface of the control box 21; the fixture 1 comprises a movable frame 11 and fixed clamps 12, a controller 13 is fixedly arranged on one side of the movable frame 11, two fixed clamps 12 are symmetrically arranged on one side of the controller 13, an arc-shaped groove 14 is formed in one side of each of the two fixed clamps 12, when a knob 25 is screwed to rotate, two movable blocks 22 on the surface of a screw rod 23 can drive the movable frame 11 to slide on the surface of a control box 21, the movable blocks 22 can slide on the surface of a slide rod 24 during movement, the limiting guide function can be achieved, the positions of the two fixtures 1 are convenient to control, the distance between the two fixtures 1 can be adjusted according to the object size to be detected, then the two fixed clamps 12 are controlled by the controller 13 to clamp the object, and the fixed clamps 12 are convenient to clamp objects of tubular structures through the arc-shaped groove 14.

The application method and the working principle of the device are as follows: can promote fixed plate 38 through pneumatic push rod 31 and remove, fixed plate 38 can drive the sliding plate 32 at the inside slip of spacing 37 top sliding tray, can drive gear 36 through rack 33 at top when the sliding plate 32 removes and rotate, can drive the moving mechanism 2 rotation of one side through dwang 35 when gear 36 rotates, can adjust the position of article, is convenient for carry out operation detection such as compression, bending.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a universal material testing machine presss from both sides tight anchor clamps, includes mounting panel (4), its characterized in that: the top of the mounting plate (4) is fixedly provided with a turnover mechanism (3);

the turnover mechanism (3) comprises a limiting frame (37) and a sliding plate (32), the top of the mounting plate (4) is fixedly provided with the limiting frame (37), one side of the limiting frame (37) is provided with a pneumatic push rod (31), the sliding plate (32) is arranged on the surface of the limiting frame (37) in a sliding mode, one side of the sliding plate (32) is fixedly connected with a fixing plate (38), one end of the pneumatic push rod (31) is fixedly connected with the fixing plate (38), a rack (33) is fixedly arranged on the surface of the sliding plate (32), the limiting frame (37) is away from the side of the pneumatic push rod (31) and fixedly provided with a mounting frame (34), the inner side of the top end of the mounting frame (34) is provided with a rotating rod (35), two ends of the rotating rod (35) are fixedly connected with gears (36) and a moving mechanism (2) respectively, and the gears (36) are meshed with the rack (33).

2. The clamping fixture for a universal material testing machine according to claim 1, wherein: the center of the top of the limiting frame (37) is recessed downwards to form a sliding groove, and the bottom end of the sliding plate (32) is slidably arranged in the sliding groove.

3. The clamping fixture for a universal material testing machine according to claim 1, wherein: the moving mechanism (2) comprises a control box (21) and a screw rod (23), a sliding rod (24) and the screw rod (23) are arranged in an inner cavity of the control box (21), two moving blocks (22) are arranged in the inner cavity of the control box (21), the bottom ends of the moving blocks (22) are sleeved on the surface of the screw rod (23) through threads, the top ends of the moving blocks (22) are sleeved with the sliding rod (24) in a sliding mode, and two clamps (1) are arranged on one side of the moving mechanism (2).

4. A clamping fixture for a universal material testing machine as claimed in claim 3, wherein: both ends of the sliding rod (24) are fixedly connected with the inner wall of the control box (21), and the centers of the sliding rod (24) and the screw rod (23) are provided with a stop block.

5. A clamping fixture for a universal material testing machine as claimed in claim 3, wherein: the control box is characterized in that a knob (25) is arranged on one side of the control box (21), one end of the knob (25) is fixedly connected with a screw rod (23), one end, far away from the knob (25), of the screw rod (23) is rotationally connected with the inner wall of the control box (21), and opposite threads are arranged on the inner sides of the two moving blocks (22).

6. A clamping fixture for a universal material testing machine as claimed in claim 3, wherein: one end of the moving block (22) penetrates through the control box (21) and is fixedly connected with the moving frame (11), and the moving frame (11) is slidably arranged on the surface of the control box (21).

7. The clamping fixture for a universal material testing machine as claimed in claim 5, wherein: the fixture (1) comprises a movable frame (11) and fixing clamps (12), a controller (13) is fixedly arranged on one side of the movable frame (11), two fixing clamps (12) are symmetrically arranged on one side of the controller (13), and arc-shaped grooves (14) are formed in one side, opposite to the fixing clamps (12).