Positioning clamp for mechanical part machining

Abstract

The utility model relates to the field of mechanical part machining, in particular to a positioning clamp for mechanical part machining, which comprises a chuck, a plurality of clamping jaw seats are uniformly arranged on the chuck, positioning mechanisms are arranged on the clamping jaw seats, each positioning mechanism comprises rotating seats, and the rotating seats are symmetrically arranged on two sides of the clamping jaw seats. A clamping plate is rotatably arranged between the rotating seats on the two sides, a limiting block is installed on the upper surfaces of the rotating seats and located below the clamping plate, fixing parts are symmetrically installed on the limiting block, and the limiting block abuts against the surface of the lower end of the clamping plate. When mechanical parts with different shapes and widths are clamped, the face, provided with the first rubber strip, of the clamping plate or the face, provided with the second rubber strip, of the clamping plate can be selected for clamping, only the limiting blocks need to be detached, and therefore the positioning clamp is higher in applicability and can be suitable for clamping more mechanical parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts processing technical field especially, relates to a positioning fixture for mechanical parts processing. BACKGROUND

[0002] Mechanical parts refer to the basic elements that constitute machinery and machines, usually including parts and components. Parts are indivisible single assemblies, while components are combinations of parts that perform a certain action or function, which can be a combination of one or more parts, one of which is the main part that performs the intended action, and the others play a supporting role.

[0003] In the processing of mechanical parts, positioning fixtures are used to position and clamp the mechanical parts before processing. However, due to the different shapes of mechanical parts, existing positioning fixtures cannot clamp different shaped parts, and different positioning fixtures must be replaced, which is more costly. SUMMARY

[0004] The utility model provides a positioning fixture for mechanical parts processing to solve the shortcomings in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A positioning fixture for mechanical parts processing, comprising a chuck, a plurality of jaw seats are uniformly arranged on the chuck, a positioning mechanism is arranged on each jaw seat, the positioning mechanism comprises a rotating seat, the rotating seats are symmetrically arranged on both sides of the jaw seat, a clamping plate is rotatably arranged between the rotating seats on both sides, a limiting block is installed below the clamping plate on the upper surface of the rotating seat, a fixed component is symmetrically installed on the limiting block, and the limiting block abuts against the low end surface of the clamping plate.

[0007] In addition, preferably, a screw hole for installing the fixed component is symmetrically formed in the jaw seat.

[0008] In addition, preferably, a sliding block is arranged between the screw holes on both sides on the upper surface of the jaw seat, and the limiting block is slidingly fitted on the sliding block.

[0009] In addition, preferably, a limiting portion is arranged on the top of the limiting block, an installation hole is symmetrically formed in the limiting block, and a sliding groove is formed in the middle of the low end of the limiting block.

[0010] In addition, preferably, the installation hole is coaxial with the screw hole.

[0011] In addition, preferably, a rotating rod is symmetrically arranged on both sides of the clamping plate for rotating cooperation with the rotating seat.

[0012] In addition, preferably, a plurality of first rubber strips are arranged on one side of the clamping plate, and a plurality of second rubber strips are arranged on the other side of the clamping plate.

[0013] The utility model discloses the beneficial effect is: the utility model discloses through setting up the clamping plate of rotatable, realize can switch different clamping surface, when clamping different shape width different mechanical parts, can select the one side of the clamping plate of being equipped with the first rubber strip, or the one side of being equipped with the second rubber strip clamping, and only need through the dismounting limit block to complete, and such positioning fixture applicability is stronger, can be applicable to more mechanical parts clamping. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is structure diagram for positioning mechanism installation on chuck;

[0015] Figure 2 It is structure diagram for positioning mechanism split after;

[0016] Figure 3 It is structure diagram for claw seat;

[0017] Figure 4 It is structure diagram a for clamping plate;

[0018] Figure 5 It is structure diagram for limit block;

[0019] Figure 6 It is structure diagram b for clamping plate.

[0020] In the drawing: 1 chuck, 2 claw seat, 21 screw hole, 22 sliding block, 3 positioning mechanism, 4 limit block, 41 mounting hole, 42 sliding slot, 43 limit part, 5 rotating seat, 6 clamping plate, 61 rotating rod, 62 first rubber strip, 63 second rubber strip, 7 fixed part. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] REFERENCE Figures 1-6The utility model relates to a positioning fixture for mechanical part machining, including chuck 1, its characterized in that, the chuck 1 is evenly arranged with a plurality of claw seat 2, and the claw seat 2 is evenly provided with positioning mechanism 3, and the positioning mechanism 3 includes rotating seat 5, and the rotating seat 5 is symmetrically arranged at the both sides of claw seat 2, and the clamping plate 6 is rotatably arranged between the both sides rotating seat 5, and the upper surface of rotating seat 5 is below clamping plate 6 and is equipped with limiting block 4, and the limiting block 4 is symmetrically equipped with fixed component 7, and the limiting block 4 is against the low end surface of clamping plate 6, and the clamping plate 6 can switch clamping on both sides.

[0023] Wherein, the claw seat 2 is symmetrically provided with screw holes 21 for installing the fixed component 7, and the screw holes 21 are used for installing the fixed component 7.

[0024] In addition, the upper surface of the claw seat 2 is located between the two screw holes 21 and is provided with a sliding block 22, the limiting block 4 is slidingly fitted on the sliding block 22, the limiting block 4 is provided with a limiting portion 43 at the top, the limiting block 4 is symmetrically provided with mounting holes 41, the limiting block 4 is provided with a sliding groove 42 at the middle of the low end, the mounting holes 41 are coaxial with the screw holes 21, and the limiting portion 43 is used to resist the clamping plate 6 to prevent it from rotating.

[0025] Furthermore, the clamping plate 6 is symmetrically provided with rotating rods 61 on both sides for rotating cooperation on the rotating seat 5, a plurality of first rubber strips 62 are arranged on the side wall surface of one side of the clamping plate 6, and a plurality of second rubber strips 63 are arranged on the side wall surface of the other side of the clamping plate 6. The first rubber strips 62 and the second rubber strips 63 are used to increase the friction force with the workpiece.

[0026] In the embodiment, when clamping different mechanical parts of different shapes and widths, one side of the clamping plate 6 provided with the first rubber strips 62 or the other side provided with the second rubber strips 63 can be selected for clamping. When switching the clamping surface of the clamping plate 6, the limiting block 4 resting on the bottom is first removed, the fixed component 7 is rotated from the screw hole 21 mounting hole 41, then the limiting block 4 is pulled out from the sliding block 22, so that the limiting block 4 is disassembled, the limiting block 4 no longer resists the clamping plate 6, and the rotating rod 61 of the clamping plate 6 rotates on the rotating seat 5, so that different clamping surfaces are selected for clamping.

[0027] After selecting the clamping surface, the limiting block 4 is reinserted into the sliding block 22, so that it rests on the bottom of the clamping plate 6, limiting the rotation of the clamping plate 6.

[0028] In the utility model, by setting the clamping plate 6 that can rotate, different clamping surfaces can be switched, when clamping different mechanical parts of different shapes and widths, one side of the clamping plate 6 provided with the first rubber strips 62 or the other side provided with the second rubber strips 63 can be selected for clamping, and only the limiting block 4 needs to be disassembled to complete the clamping, so that the positioning fixture has stronger applicability and can be applied to more mechanical part clamping.

[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A positioning fixture for machining mechanical parts, comprising a chuck (1), characterized in that, Multiple jaw seats (2) are evenly arranged on the chuck (1). Each jaw seat (2) is provided with a positioning mechanism (3). The positioning mechanism (3) includes a rotating seat (5). The rotating seats (5) are symmetrically arranged on both sides of the jaw seat (2). A clamping plate (6) is rotatably arranged between the two rotating seats (5). A limit block (4) is installed on the upper surface of the rotating seat (5) below the clamping plate (6). A fixing component (7) is symmetrically installed on the limit block (4). The limit block (4) abuts against the lower surface of the clamping plate (6).

2. The positioning fixture for machining mechanical parts according to claim 1, characterized in that, The claw seat (2) is symmetrically provided with screw holes (21) for mounting the fixing component (7).

3. A positioning fixture for machining mechanical parts according to claim 2, characterized in that, A slider (22) is provided on the upper surface of the claw seat (2) between the screw holes (21) on both sides, and the limiting block (4) slides on the slider (22).

4. A positioning fixture for machining mechanical parts according to claim 3, characterized in that, The limiting block (4) has a limiting part (43) at the top, mounting holes (41) are symmetrically opened on the limiting block (4), and a sliding groove (42) is opened in the middle of the lower end of the limiting block (4).

5. A positioning fixture for machining mechanical parts according to claim 4, characterized in that, The mounting hole (41) is coaxial with the screw hole (21).

6. A positioning fixture for machining mechanical parts according to claim 1, characterized in that, The clamping plate (6) is symmetrically provided with rotating rods (61) on both sides for rotating and engaging with the rotating seat (5).

7. A positioning fixture for machining mechanical parts according to claim 6, characterized in that, The clamping plate (6) has a plurality of first rubber strips (62) on one side wall surface and a plurality of second rubber strips (63) on the other side wall surface.

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