Fatigue machine quick-change clamp

Abstract

The utility model is suitable for the related technical field of tool clamps, and provides a fatigue machine quick-change clamp which comprises a lower plate, the lower end of the lower plate is connected with a quick-change pulling plate through a quick-change unit, a first through hole for the quick-change pulling plate to pass through is formed in the lower plate, and an upper plate is arranged at the upper end of the lower plate. The quick-changing unit comprises a plurality of first placing grooves which are formed in a lower plate and are distributed in a circumferential array mode, moving blocks are arranged in the first placing grooves, second placing grooves are formed in the lower plate, rotating plates are placed in the second placing grooves, second through holes allowing quick-changing pulling plates to pass through are formed in the rotating plates, and moving protrusions are fixedly connected to the upper ends of the moving blocks; the rotating plate is provided with an arc-shaped groove matched with the movable protrusion. The tool can be used for adapting to different products, and the universality is high; the clamp is convenient to operate, one person can easily and rapidly replace various pulling plates, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tooling fixture, especially, a kind of fatigue machine quick-change fixture. BACKGROUND

[0002] Fatigue machine is a kind of machine mainly used to determine the fatigue performance test of tensile, compression or tensile, compression alternating load of metal and its alloy material in room temperature state, when fatigue machine detects object, tooling fixture is needed to clamp object.

[0003] The existing tooling fixture has some deficiencies when in use, the structural unit of the existing tooling fixture cannot be universal when in use, is inconvenient to use, and the existing tooling fixture needs to be disassembled when clamping different objects, the disassembly needs to remove the entire tooling fixture, and sometimes multiple people are needed to cooperate in disassembly, based on this, the fatigue machine quick-change fixture capable of solving the above problems is proposed. SUMMARY

[0004] The purpose of the present application is to provide a kind of fatigue machine quick-change fixture, to solve the structural unit of the existing tooling fixture, when in use, cannot be universal, inconvenient to use, and the existing tooling fixture needs to be disassembled when clamping different objects, disassembly needs to remove the entire tooling fixture, and sometimes multiple people are needed to cooperate in disassembly.

[0005] The purpose of the present application can be realized by the following technical solutions:

[0006] A kind of fatigue machine quick-change fixture, including lower plate, the lower end of the lower plate is connected with quick-change pull plate by quick-change unit, first through hole for the quick-change pull plate is set up on the lower plate, the upper end of the lower plate is provided with upper plate, the quick-change unit includes the first placement slot of multiple circumferential array distribution that is set up on the lower plate, mobile block is arranged in the first placement slot, second placement slot is set up on the lower plate, rotating plate is placed in the second placement slot, second through hole for the quick-change pull plate is set up on the rotating plate, the upper end of the mobile block is fixedly connected with mobile protrusion, arc slot that cooperates with the mobile protrusion is set up on the rotating plate.

[0007] Symmetrical insertion hole is set up on the lower plate, guide column is inserted in the insertion hole, and the guide column passes through the upper plate.

[0008] Multiple first threaded holes are set up on the upper plate, and multiple threaded holes are all screw-connected with screw, multiple second threaded holes are arranged on the lower plate, and the upper plate and the lower plate are connected by screw.

[0009] The upper plate is provided with a third through hole for the quick-change pull plate to pass through, and the first placing groove is provided with a guide groove matched with the moving block.

[0010] The quick-change pull plate is provided with a clamping surface matched with the moving block.

[0011] The side surface of the rotating plate is fixedly connected with a rotating rod, the rotating rod is fixedly connected with an anti-skid rubber sleeve, and the lower plate is fixedly connected with a limiting protrusion for limiting the rotating rod.

[0012] The side surface of the moving block is fixedly connected with two symmetrical clamping plates, the inner side of the first placing groove is provided with a clamping groove matched with the clamping plates, and the clamping plates are connected with the side wall of the clamping groove through springs for providing elastic force.

[0013] The beneficial effects of the present application are as follows: when the quick-change pull plate needs to be replaced, the rotating plate is rotated through the rotating rod, the rotation of the rotating plate drives the displacement of the arc-shaped groove and the moving protrusion, and the moving block moves outward, at this time, the moving block is separated from the quick-change pull plate, and the quick-change pull plate can be easily taken down and replaced, the tooling can be used for different products, and has high universality; the tooling is convenient to operate, and one person can easily realize the quick replacement of various pull plates, and has high efficiency.

[0014] Of course, implementing any product of the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is the overall structure schematic of the quick-change fixture of the fatigue machine provided by the present application Figure 1 ;

[0017] Figure 2 It is the structure schematic of the upper plate in the quick-change fixture of the fatigue machine provided by the present application

[0018] Figure 3 It is the structure schematic of the rotating plate in the quick-change fixture of the fatigue machine provided by the present application

[0019] Figure 4 It is the structure schematic of the quick-change pull plate in the quick-change fixture of the fatigue machine provided by the present application

[0020] Figure 5 is the overall structure schematic of the quick-change clamp of the fatigue machine Figure 2 ;

[0021] Figure 6 is the structure schematic of the moving block in the quick-change clamp of the fatigue machine

[0022] Figure 7 is the structure schematic of the connection of the moving block and the lower plate in the quick-change clamp of the fatigue machine

[0023] Figure 8 is the structure schematic of the tool in the prior art.

[0024] The label annotation: 1, the lower plate; 2, the quick-change pull plate; 3, the first through hole; 4, the upper plate; 5, the first placement slot; 6, the moving block; 7, the second placement slot; 8, the rotating plate; 9, the second through hole; 10, the moving protrusion; 11, the arc slot; 12, the insertion hole; 13, the guide column; 14, the first threaded hole; 15, the screw; 16, the second threaded hole; 17, the third through hole; 18, the guide slot; 19, the clamping surface; 20, the rotating rod; 21, the anti-skid rubber sleeve; 22, the limiting protrusion; 23, the clamping plate; 24, the clamping slot; 25, the spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-8 , the present application is a kind of fatigue machine quick-change clamp, including lower plate 1, the lower end of the lower plate 1 is connected with quick-change pull plate 2 by quick-change unit, the lower plate 1 is opened and has first through hole 3 for the quick-change pull plate 2, the upper end of the lower plate 1 is provided with upper plate 4, the quick-change unit includes the lower plate 1 is opened and has multiple circumferential array distribution first placement slot 5, the first placement slot 5 is provided with moving block 6, the lower plate 1 is opened and has second placement slot 7, the second placement slot 7 is placed with rotating plate 8, the rotating plate 8 is provided with second through hole 9 for the quick-change pull plate 2, the upper end of the moving block 6 is fixedly connected with moving protrusion 10, the rotating plate 8 is opened and has arc slot 11 matched with the moving protrusion 10.

[0027] The side of the rotating plate 8 is fixedly connected with a rotating rod 20, the rotating rod 20 is fixedly connected with an anti-skid rubber sleeve 21, and the lower plate 1 is fixedly connected with a limiting protrusion 22 for limiting the rotating rod 20.

[0028] When the device is actually used, the quick-change pull plate 2 needs to be replaced, the rotating plate 8 is rotated through the rotating rod 20, the rotating of the rotating plate 8 drives the displacement of the arc-shaped groove 11 and the moving protrusion 10, and the moving block 6 is moved outward, at this time, the moving block 6 is separated from the quick-change pull plate 2, and the quick-change pull plate 2 can be easily taken down and replaced, the tool can cope with different products, and has high universality; the clamp is convenient to operate, and one person can easily realize quick replacement of various pull plates, and has high efficiency.

[0029] In combination Figure 8 The existing tool is only composed of a mounting plate, a mounting hole and a U-shaped plate, and cannot be conveniently replaced, and needs to be integrally disassembled and assembled each time, which is relatively complex.

[0030] The lower plate 1 is provided with symmetrically arranged insertion holes 12, guide columns 13 are inserted into the insertion holes 12, and the guide columns 13 pass through the upper plate 4.

[0031] A plurality of first threaded holes 14 are formed in the upper plate 4, screws 15 are threadedly connected into the plurality of threaded holes, a plurality of second threaded holes 16 are arranged on the lower plate 1, and the upper plate 4 and the lower plate 1 are connected through the screws 15.

[0032] The upper plate 4 is provided with a third through hole 17 through which the quick-change pull plate 2 passes, and the first placing groove 5 is provided with a guide groove 18 matched with the moving block 6.

[0033] The quick-change pull plate 2 is provided with a clamping surface 19 matched with the moving block 6.

[0034] In combination Figure 6 And Figure 7 The side of the moving block 6 is fixedly connected with two symmetrically arranged clamping plates 23, the first placing groove 5 is provided with clamping grooves 24 matched with the clamping plates 23, and the clamping plates 23 are connected with the side walls of the clamping grooves 24 through springs 25 for providing elastic force.

[0035] In summary, the working principle of the utility model is: when the quick-change pull plate 2 needs to be replaced, the rotating plate 8 is rotated through the rotating rod 20, the rotating of the rotating plate 8 drives the arc-shaped groove 11 and the moving protrusion 10 to cooperate to produce displacement, drives the moving block 6 to move outward, at this time, the moving block 6 is separated from the quick-change pull plate 2, and the quick-change pull plate 2 can be easily taken down and replaced, the tool can cope with different products, and is high in universality; the clamp is convenient to operate, and one person can easily realize the quick replacement of various pull plates, and is high in efficiency.

[0036] The above content is merely an example and a description of the concept of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as the concept of the present application is not deviated or the scope defined by the present application is not exceeded, which shall belong to the protection scope of the present application.

Claims

1. A quick change fixture for a fatigue machine, characterized by, The utility model provides a quick changeable pull plate device, including lower plate (1), the lower end of lower plate (1) is connected with quick changeable pull plate (2) through quick change unit, the first through -hole (3) of quick changeable pull plate (2) is set up on lower plate (1), and the upper end of lower plate (1) is provided with upper plate (4), and the quick change unit includes the first placement slot (5) of the plurality of circumferential array distribution that is set up on lower plate (1), the moving block (6) is provided in the first placement slot (5), the second placement slot (7) is set up on lower plate (1), and the rotating plate (8) is placed in the second placement slot (7), the second through -hole (9) of the rotating plate (8) is provided with the quick changeable pull plate (2) passes through, and the upper end of moving block (6) is fixedly connected with moving protruding (10), and the arc slot (11) that is matched with moving protruding (10) is set up on rotating plate (8).

2. A quick change fixture for a fatigue machine as claimed in claim 1, wherein, The lower plate (1) is provided with a symmetrically arranged jack (12), and the jack (12) is provided with a guide column (13) inserted therein, and the guide column (13) penetrates the upper plate (4).

3. A quick change fixture for a fatigue machine as claimed in claim 1, wherein, A plurality of first threaded holes (14) are formed in the upper plate (4), and a plurality of screws (15) are threadedly connected in the threaded holes.

4. A quick change fixture for a lathe as claimed in claim 1, wherein, The upper plate (4) is provided with a third through hole (17) for the quick changeable pull plate (2) to pass through, and the first placement slot (5) is provided with a guide groove (18) matched with the moving block (6).

5. A quick change fixture for a bar turning machine as claimed in claim 3, wherein, The quick changeable pull plate (2) is provided with a clamping surface (19) matched with the moving block (6).

6. A quick change fixture for a lathe as claimed in claim 1, wherein, The side surface of the rotating plate (8) is fixedly connected with a rotating rod (20), the rotating rod (20) is fixedly connected with an anti-skid rubber sleeve (21), and the lower plate (1) is fixedly connected with a limiting protrusion (22) for limiting the rotating rod (20).

7. A quick change fixture for a lathe as claimed in claim 1, wherein, The side surface of the moving block (6) is fixedly connected with two symmetrically arranged clamping plates (23), the first placement slot (5) is provided with a clamping groove (24) matched with the clamping plates (23) on the inner side, and the clamping plates (23) are connected with the side wall of the clamping groove (24) through a spring (25) for providing elasticity.

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