CN220660035U - Quick positioning fixture of work piece for machine tool machining - Google Patents

Abstract

The utility model discloses a workpiece rapid positioning fixture for machine tool machining, which relates to the technical field of machine tool machining and comprises a base, wherein two supporting seats are fixedly connected to the right side of the top surface of the base, two bidirectional air cylinders are horizontally erected on the two supporting seats, an air cylinder rod supporting frame is arranged on the left side of the supporting seat positioned on the left side, a hole is formed in the air cylinder rod supporting frame, one end of an air cylinder rod penetrates through the hole and extends towards the direction of the bidirectional air cylinder, the air cylinder rod is fixedly connected with the output end of the bidirectional air cylinder, the other end of the air cylinder rod is connected with a movable clamping mechanism, and a fixed clamping mechanism is arranged on the left side of the movable clamping mechanism. This application is through base, two-way cylinder, movable fixture and fixed fixture's mutually supporting, realizes quick location centre gripping work, convenient operation, and the effect of use is better for traditional screw thread lead screw driven mode, through two-way cylinder drive, improves the clamping force, increases the centre gripping effect.

Description

Quick positioning fixture of work piece for machine tool machining

Technical Field

The utility model relates to the technical field of machine tool machining, in particular to a workpiece rapid positioning clamp for machine tool machining.

Background

Devices used in machine manufacturing processes to hold a work piece in a correct machining position to accept machining or inspection are known as clamps. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. Such as machining fixtures, inspection fixtures, assembly fixtures, machine fixtures, etc., where machine fixtures are most common, often referred to as fixtures for short. When a workpiece is machined on a machine tool, the workpiece must be positioned and clamped before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing.

In the machining process, a fixture is generally used for fixing the machined part, but the existing clamping device for machining the mechanical part is low in fixing speed, low in efficiency, unstable and poor in positioning precision, so that the machining precision of the machined mechanical part is low, and the quality of the mechanical part is affected.

Based on the above, the quick workpiece positioning clamp for machine tool machining is provided, and the defects of the conventional device can be overcome.

Disclosure of Invention

The utility model aims to provide a workpiece rapid positioning clamp for machine tool machining, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a quick positioning fixture of work piece for machine tool machining, includes the base, two supporting seats of right side fixedly connected with of base top surface, two the level is erect on the supporting seat and is had two-way cylinder, the bottom surface of two-way cylinder and the top surface fixed connection of supporting seat, be located left the left side of supporting seat is equipped with the cylinder pole support frame, be equipped with a hole on the cylinder pole support frame, insert the cylinder pole in the hole, the one end of cylinder pole runs through the hole and extends to two-way cylinder direction, the output fixed connection of cylinder pole and two-way cylinder, the other end and the movable fixture of cylinder pole link to each other, the left side of movable fixture is equipped with fixed fixture.

Preferably, the movable clamping mechanism comprises a fixed block, the fixed block is fixedly connected with one end of the air cylinder rod, the fixed block is sleeved at the middle position of the outer surface of the movable rod, the outer surface of the upper end of the movable rod is fixedly connected with the first connecting rod, the first clamping block is fixedly mounted at one end of the first connecting rod, a sliding groove is formed in the left side of the top surface of the base, and the lower end of the movable rod is in sliding connection with the sliding groove.

Preferably, the fixed fixture comprises a bracket, the bracket is arranged at the left end part of the top surface of the base, the bottom surface of the bracket is fixedly connected with the top surface of the base, a U-shaped seat is fixedly arranged at the top of the bracket, a second connecting rod is fixedly connected to the U-shaped seat, the second connecting rod penetrates through two side plates of the U-shaped seat, a second clamping block is fixedly connected to one end of a guide rod of the second connecting rod, and a buffer assembly is fixedly connected to the lower end of the outer surface of the right side of the bracket.

Preferably, the buffer assembly comprises a spring, two ends of the spring are fixedly connected with the buffer plate respectively, and the side wall of the buffer plate on the left side is fixedly connected with the lower end of the right side wall of the support.

Preferably, a buffer pad is arranged between the buffer plate and the bracket.

Preferably, a first nylon pad is wrapped on one side surface of the first clamping block, and a second nylon pad is wrapped on one side surface of the second clamping block, which is close to the first clamping block.

Preferably, matched bearing seats are arranged at two ends of the cylinder rod.

Preferably, the center positions of the first clamping block and the second clamping block are positioned on the same horizontal axis.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model discloses a through base, two-way cylinder, supporting seat, cylinder pole support frame, cylinder pole, movable rod, fixed block, head rod, first grip block, first nylon pad, spout, support, U-shaped seat, second grip block, second nylon clamp pad, second connecting rod and the mutually supporting of spring to realize quick location centre gripping work, work piece anchor clamps simple structure for whole machining, convenient operation, the effect of use is better for traditional screw thread lead screw driven mode.

2. This application is through two-way cylinder drive, can ensure to improve the clamping force, increases the centre gripping effect, realizes quick location clamp.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of the structure of the present utility model.

FIG. 3 is a schematic view of a U-shaped seat according to the present utility model.

Reference numerals annotate: base 1, two-way cylinder 2, supporting seat 3, cylinder pole support frame 4, cylinder pole 5, movable rod 6, fixed block 7, head rod 8, first grip block 9, first nylon cushion 10, spout 11, support 12, U-shaped seat 13, second grip block 14, second nylon clamp cushion 15, second connecting rod 16, spring 17.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1-3, a quick workpiece positioning fixture for machine tool machining comprises a base 1, two supporting seats 3 are fixedly connected to the right side of the top surface of the base 1, two bidirectional cylinders 2 are horizontally arranged on the supporting seats 3, the bottom surfaces of the bidirectional cylinders 2 are fixedly connected with the top surface of the supporting seats 3, the bidirectional cylinders 2 provide driving force for clamping operation, a cylinder rod supporting frame 4 is arranged on the left side of the supporting seats 3 and is positioned on the left side, so that a cylinder rod 5 is kept horizontal when moving, a hole is formed in the cylinder rod supporting frame 4, a cylinder rod 5 is inserted in the hole, one end of the cylinder rod 5 penetrates through the hole and extends towards the direction of the bidirectional cylinders 2, the cylinder rod 5 is fixedly connected with the output end of the bidirectional cylinders 2, the bidirectional cylinders 2 are started, the air rod 5 moves, the other ends of the cylinder rod 5 are connected with a movable clamping mechanism, and the movable clamping mechanism is arranged on the left side of the movable clamping mechanism, and the movable clamping mechanism is matched with the fixed clamping mechanism to clamp an article.

Referring to fig. 1-3, the movable clamping mechanism includes a fixed block 7, the fixed block 7 is fixedly connected with one end of the cylinder rod 5, the cylinder rod 5 moves under the action of the bidirectional cylinder 2, so as to drive the fixed block 7 to move, the fixed block 7 is sleeved at the middle position of the outer surface of the movable rod 6, the outer surface of the upper end of the movable rod 6 is fixedly connected with a first connecting rod 8, one end of the first connecting rod 8 is fixedly provided with a first clamping block 9, the left side of the top surface of the base 1 is provided with a sliding groove 11, the lower end of the movable rod 6 is slidably connected with the sliding groove 11, the fixed block 5 further drives the movable rod 6 to horizontally move on the sliding groove 11, and the upper end of the movable rod 6 horizontally moves through the first clamping block fixedly connected with the first connecting rod 8, so as to realize the clamping action.

Referring to fig. 1-3, the fixed clamping mechanism includes a bracket 12, the bracket 12 is disposed at the left end of the top surface of the base 1, the bottom surface of the bracket 12 is fixedly connected with the top surface of the base 1, a U-shaped seat 13 is fixedly mounted at the top of the bracket 12, the second connecting rod 16 penetrates through two side plates of the U-shaped seat 13, the U-shaped seat 13 is mounted by bolts, and can be replaced in time after the clamping part of the fixed clamping mechanism is damaged, a second connecting rod 16 is fixedly connected to the U-shaped seat 13, a second clamping block 14 is fixedly connected to one end of a guide rod of the second connecting rod 16, and a buffer assembly is fixedly connected to the lower end of the outer surface of the right side of the bracket 12.

Referring to fig. 1-3, the buffer assembly includes a spring 17, two ends of the spring 17 are fixedly connected with a buffer plate, and a side wall of the buffer plate located at the left side is fixedly connected with a lower end of a right side wall of the bracket 12. The setting of spring 17 can realize the buffer that trades of effort brought to activity fixture, be equipped with the blotter between buffer board and the support 12, the setting of blotter can realize the secondary buffering to the effort brought to activity fixture, provides the life of device.

Referring to fig. 1-3, a first nylon pad 10 is wrapped on a side surface of the first clamping block 9, a second nylon pad 15 is wrapped on a side surface of the second clamping block 14, which is close to the first clamping block 9, and friction force of a contact portion is increased by arranging the first nylon pad 10 and the second nylon pad 15, so that clamping operation is performed better.

Referring to fig. 1-3, the center positions of the first clamping block 9 and the second clamping block 14 are on the same horizontal axis, and the center positions of the first clamping block and the second clamping block are on the same horizontal axis, so that the balance of clamping is ensured.

Referring to fig. 1-3, the two ends of the cylinder rod 5 are provided with matched bearing seats, and the bearing seats enable the movement of the cylinder rod 5 to be smoother.

When the clamping device is used, the bidirectional cylinder 2 is started firstly, the cylinder rod 5 connected with the output end of the bidirectional cylinder is driven to move, the cylinder rod 5 further drives the first clamping block 9 to horizontally move, the movable rod 6 is slidably connected to the surface of the sliding groove 11, the first clamping block 9 moves in the horizontal direction, clamping work is completed, the U-shaped seat 13 can be mounted through bolts, the clamping device is convenient to detach, and the situation that the first clamping block 9 is damaged due to the fact that the impact on the second clamping block 14 is relatively large due to the fact that the speed of the first clamping block 9 moves leftwards can be prevented by arranging the springs 17, the buffer plates and the buffer pads, so that the service life of the clamping device is prolonged.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a quick positioning fixture of work piece for machine tool machining, includes base (1), its characterized in that, the right side fixedly connected with of base (1) top surface two supporting seat (3), two horizontal stand has on supporting seat (3) two-way cylinder (2), the bottom surface of two-way cylinder (2) and the top surface fixed connection of supporting seat (3), be located the left side of supporting seat (3) is equipped with cylinder pole support frame (4), be equipped with a hole on cylinder pole support frame (4), insert in the hole and be equipped with cylinder pole (5), the one end of cylinder pole (5) runs through the hole and extends to two-way cylinder (2) direction, the output fixed connection of cylinder pole (5) and two-way cylinder (2), the other end and the activity fixture of cylinder pole (5) link to each other, the left side of activity fixture is equipped with fixed fixture.

2. The quick workpiece positioning clamp for machining of a machine tool according to claim 1, wherein the movable clamping mechanism comprises a fixed block (7), the fixed block (7) is fixedly connected with one end of the cylinder rod (5), the fixed block (7) is fixedly connected to the middle position of the outer surface of the movable rod (6), the outer surface of the upper end of the movable rod (6) is fixedly connected with the first connecting rod (8), the first clamping block (9) is fixedly installed at one end of the first connecting rod (8), a sliding groove (11) is formed in the middle position of the left side of the top surface of the base (1), and the lower end of the movable rod (6) is slidably connected with the sliding groove (11).

3. The quick workpiece positioning clamp for machining of the machine tool according to claim 2, wherein the fixed clamping mechanism comprises a support (12), the support (12) is arranged at the left end part of the top surface of the base (1), the bottom surface of the support (12) is fixedly connected with the top surface of the base (1), a U-shaped seat (13) is fixedly arranged at the top of the support (12), a second connecting rod (16) is fixedly connected to the U-shaped seat (13), the second connecting rod (16) penetrates through two side plates of the U-shaped seat (13), a second clamping block (14) is fixedly connected to one end of a guide rod of the second connecting rod (16), and a buffer assembly is fixedly connected to the lower end of the outer surface of the right side of the support (12).

4. A quick workpiece positioning fixture for machining a workpiece according to claim 3, wherein the buffer assembly comprises springs (17), two ends of each spring (17) are fixedly connected with a buffer plate respectively, and the side wall of the buffer plate positioned on the left side is fixedly connected with the lower end of the right side wall of the bracket (12).

5. The rapid workpiece positioning fixture for machine tool machining according to claim 4, wherein a cushion pad is provided between the cushion plate and the bracket (12).

6. A quick workpiece positioning fixture for machining a workpiece according to claim 3, wherein a first nylon pad (10) is wrapped on one side surface of the first clamping block (9), and a second nylon pad (15) is wrapped on one side surface of the second clamping block (14) close to the first clamping block (9).

7. A quick workpiece positioning jig for machine tool machining according to claim 3, wherein the first clamping block (9) and the second clamping block (14) are positioned on the same horizontal axis.

8. A quick positioning jig for a workpiece for machine tool machining according to claim 1, characterized in that the cylinder rod (5) is provided with matching bearing blocks at both ends.