Replaceable clamp for machining

Abstract

The utility model discloses a replaceable fixture for machining, which belongs to the technical field of machining and comprises a support plate, two first connecting columns are fixedly connected onto the support plate, second connecting columns are clamped on the first connecting columns, and clamping blocks are clamped on two sides of each first connecting column. According to the replaceable clamp for machining, when the clamp is installed, after an operator installs a second connecting column on a first connecting column, a clamping block and a second sliding block are pushed, the second sliding block slides in a second sliding groove, a first spring is contracted, the clamping block pushes a limiting rod to move upwards in a third sliding groove through an inclined groove, and after the limiting rod moves to the position above an installation hole, the clamping block and the second sliding block are pushed to move upwards in the third sliding groove; under the action of gravity, the limiting rod slides down and is clamped with the mounting hole, so that an operator can conveniently disassemble and assemble the fixture at any time, the fixture is prevented from being abraded after being used for a long time, the fixing capacity of the workpiece is prevented from being reduced, normal machining of the workpiece is further influenced, and the functionality of the fixture is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical processing technical field, concretely is a replaceable jig for mechanical processing. BACKGROUND

[0002] The jig for mechanical processing is a device used for fixing processing objects in the mechanical manufacturing process, so that the processing objects can be in correct positions to accept construction or detection. The main function of the jig is to ensure the processing precision of products, stabilize the quality of products, improve the production efficiency, reduce the processing cost, and improve the working conditions of workers. The jig for mechanical processing does not have the function of replacing the jig. After the jig is used for a long time, it may be damaged. Continued use will lead to unstable fixation of workpieces, and thus the processing of workpieces fails. Therefore, a replaceable jig for mechanical processing is needed. SUMMARY

[0003] In order to overcome the above defects, the utility model provides a replaceable jig for mechanical processing, which solves the problem that the jig for mechanical processing does not have the function of replacing the jig. After the jig is used for a long time, it may be damaged. Continued use will lead to unstable fixation of workpieces, and thus the processing of workpieces fails.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a replaceable jig for mechanical processing, comprising a support plate, two first connecting columns are fixedly connected on the support plate, a second connecting column is connected with the first connecting column, a clamping block is connected with the two sides of the first connecting column, a first sliding block is fixedly connected on the clamping block, two first sliding grooves are formed in the first connecting column, the inner wall of the first sliding groove and the first sliding block are mutually connected, an installation hole is formed in the clamping block, a second sliding block is fixedly connected at one end of the clamping block, an inclined groove is formed in the second sliding block, two second sliding grooves are formed in the second connecting column, the inner wall of the second sliding groove and the second sliding block are mutually connected, a first spring is installed at one end of the second sliding block, the first spring is fixedly connected with the inner wall of the second sliding groove at one end, two third sliding grooves are formed in the second connecting column, a limiting rod is connected with the inner wall of the third sliding groove, the limiting rod is located above the inclined groove, and a rubber sleeve is sleeved with the top end of the limiting rod.

[0005] As a further scheme of the utility model: the top end of the second connecting column is fixedly connected with a shell, a threaded rod is threadedly connected in the shell, and a handle is fixedly connected with one end of the threaded rod.

[0006] As a further scheme of the utility model: a bearing is fixedly connected with one end of the threaded rod, and a clamping plate is installed on one side of the bearing.

[0007] As a further scheme of the utility model: one side of the clamping plate is fixedly connected with two first telescopic rods, the first telescopic rods are mutually clamped with the shell.

[0008] As a further scheme of the utility model: the supporting plate bottom side is clamped with a damping base, four second telescopic rods are installed on the damping base, and the second telescopic rod top end is fixedly connected with the supporting plate.

[0009] As a further scheme of the utility model: the second telescopic rod outside is sleeved with a second spring, and the second spring bottom end is fixedly connected with the damping base.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1、This replaceable mechanical processing clamp, through setting up first connecting post, second connecting post, clamping block, mounting hole, second sliding block, inclined slot, second sliding slot, first spring, third sliding slot and limiting rod, when installing the clamp, the operating personnel install second connecting post on first connecting post, push clamping block and second sliding block, make second sliding block slide in second sliding slot, and make first spring contract, clamping block pushes limiting rod in third sliding slot through inclined slot and moves up, when limiting rod moves to above mounting hole, limiting rod falls under the action of gravity and is clamped with mounting hole, convenient for operating personnel to dismantle the clamp at any time, prevent the clamp from being abraded after long-term use, cause the fixed capacity of workpiece to decline, further influence normal processing of workpiece, improve the functionality of the clamp.

[0012] 2、This replaceable mechanical processing clamp, through setting up supporting plate, damping base, second telescopic rod and second spring, when the clamp meets violent vibration, supporting plate presses down second telescopic rod, makes second telescopic rod contract with second spring, second spring resets and pushes supporting plate, effectively reduces vibration, prevents violent vibration from causing the clamp parts to be damaged, improves the stability of the clamp. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the connecting structure schematic diagram of first connecting post and clamping block of the utility model;

[0015] Figure 3 It is the cross section structure schematic diagram of shell of the utility model;

[0016] Figure 4 It is the cross section structure schematic diagram of supporting plate of the utility model;

[0017] In the figure: 1, support plate; 2, first connecting column; 3, second connecting column; 4, clamping block; 5, first sliding block; 6, first sliding groove; 7, mounting hole; 8, second sliding block; 9, inclined chute; 10, second sliding groove; 11, first spring; 12, third sliding groove; 13, limiting rod; 14, rubber sleeve; 15, shell; 16, threaded rod; 17, handle; 18, bearing; 19, clamping plate; 20, first telescopic rod; 21, shock-absorbing base; 22, second telescopic rod; 23, second spring. DETAILED DESCRIPTION

[0018] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0019] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a replaceable jig for machining, including support plate 1, two first connecting columns 2 are fixedly connected on support plate 1, second connecting column 3 is clamped on first connecting column 2, shell 15 is fixedly connected to the top end of second connecting column 3, threaded rod 16 is threadedly clamped in shell 15, threaded rod 16 one end is fixedly connected with handle 17, because of handle 17, when threaded rod 16 needs to rotate, operator rotates handle 17, handle 17 drives threaded rod 16 to rotate, it is convenient for operator to control threaded rod 16, improve the controllability of threaded rod 16;

[0020] bearing 18 is fixedly connected to one end of threaded rod 16, clamping plate 19 is installed on one side of bearing 18, because of bearing 18, prevent clamping plate 19 from being driven to rotate by threaded rod 16, improve the stability when clamping plate 19 moves, clamping block 4 is clamped on the two sides of first connecting column 2, first sliding block 5 is fixedly connected on clamping block 4, two first sliding grooves 6 are formed in first connecting column 2, first sliding groove 6 inner wall and first sliding block 5 are clamped with each other, because of first sliding groove 6 and first sliding block 5, when clamping block 4 moves, drive first sliding block 5 to slide in first sliding groove 6, limit clamping block 4, prevent clamping block 4 from falling off, lead to unable to fix second connecting column 3, improve the stability when clamping block 4 moves, two first telescopic rods 20 are fixedly connected on one side of clamping plate 19, first telescopic rod 20 and shell 15 are clamped with each other, because of first telescopic rod 20, first telescopic rod 20 moves along with clamping plate 19, limit clamping plate 19, prevent clamping plate 19 from being inclined when moving under external force, improve the stability of clamping plate 19;

[0021] The support plate 1 is clamped with a damping base 21 on the bottom side, four second telescopic rods 22 are installed on the damping base 21, the top end of the second telescopic rod 22 is fixedly connected with the support plate 1, because the second telescopic rod 22 is arranged, the support plate 1 is limited, the support plate 1 is prevented from tilting accidentally when moving, thereby affecting the fixing of the workpiece, the stability of the support plate 1 when moving is improved, the mounting hole 7 is arranged on the clamping block 4, the second sliding block 8 is fixedly connected with one end of the clamping block 4, the inclined slot 9 is arranged on the second sliding block 8, two second sliding grooves 10 are arranged in the second connecting column 3, the inner wall of the second sliding groove 10 is clamped with the second sliding block 8, the first spring 11 is installed at one end of the second sliding block 8, one end of the first spring 11 is fixedly connected with the inner wall of the second sliding groove 10, two third sliding grooves 12 are arranged on the second connecting column 3, the limiting rod 13 is clamped with the inner wall of the third sliding groove 12, the limiting rod 13 is located above the inclined slot 9, the rubber sleeve 14 is sleeved with the top end of the limiting rod 13, the second spring 23 is sleeved with the outer side of the second telescopic rod 22, and the bottom end of the second spring 23 is fixedly connected with the damping base 21.

[0022] The working principle of the utility model is as follows: when installing the clamp, the operator installs the second connecting column 3 on the first connecting column 2, pushes the clamping block 4 and the second sliding block 8, makes the second sliding block 8 slide in the second sliding groove 10, and makes the first spring 11 contract, the clamping block 4 pushes the limiting rod 13 in the third sliding groove 12 by the inclined slot 9 and moves upward, after the limiting rod 13 moves to above the mounting hole 7, the limiting rod 13 falls under the action of gravity and is clamped with the mounting hole 7, when the clamp encounters violent vibration, the support plate 1 presses downward the second telescopic rod 22, makes the second telescopic rod 22 contract with the second spring 23, the second spring 23 resets and pushes the support plate 1, when fixing the workpiece, the operator rotates the handle 17, the handle 17 drives the threaded rod 16 to rotate, the threaded rod 16 pushes the clamping plate 19 to fix the workpiece.

[0023] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0024] The preferred embodiment of the patent is described in detail above, but the patent is not limited to the above-mentioned embodiment, within the knowledge scope of ordinary skilled in the art, various changes can be made without departing from the purpose of the patent.

Claims

1. A replaceable jig for machining, comprising a support plate (1), characterized in that: The support plate (1) is fixedly connected with two first connecting columns (2), the first connecting column (2) is connected with the second connecting column (3), the first connecting column (2) is connected with the clamping block (4) on both sides, the first connecting column (2) is fixedly connected with the first sliding block (5), the first connecting column (2) is provided with two first sliding grooves (6), the first sliding groove (6) is connected with the first sliding block (5), the clamping block (4) is provided with a mounting hole (7), the clamping block (4) is fixedly connected with the second sliding block (8), the second sliding block (8) is provided with an inclined slot (9), the second connecting column (3) is provided with two second sliding grooves (10), the second sliding groove (10) is connected with the second sliding block (8), the second sliding block (8) is provided with a first spring (11), one end of the first spring (11) is fixedly connected with the second sliding groove (10), the second connecting column (3) is provided with two third sliding grooves (12), the third sliding groove (12) is connected with the limiting rod (13), the limiting rod (13) is located above the inclined slot (9), the limiting rod (13) is provided with a rubber sleeve (14).

2. The replaceable machining clamp according to claim 1, characterized in that: The second connecting column (3) is fixedly connected with the shell (15), the shell (15) is connected with the threaded rod (16), and the threaded rod (16) is fixedly connected with the handle (17).

3. A replaceable machining clamp according to claim 2, characterized in that: The threaded rod (16) is fixedly connected with the bearing (18), and the bearing (18) is provided with the clamping plate (19).

4. The replaceable machining clamp according to claim 3, characterized in that: The clamping plate (19) is fixedly connected with two first telescopic rods (20), and the first telescopic rod (20) is connected with the shell (15).

5. The replaceable machining clamp of claim 1, wherein: The support plate (1) is connected with the damping base (21), the damping base (21) is provided with four second telescopic rods (22), and the second telescopic rod (22) is fixedly connected with the support plate (1).

6. A replaceable machining clamp according to claim 5, characterized in that: The second telescopic rod (22) is provided with the second spring (23), and the second spring (23) is fixedly connected with the damping base (21).

Images