CN219293352U - Positioning fixture is used in machining of machine parts - Google Patents

Abstract

The utility model discloses a positioning fixture for machining mechanical accessories, which relates to the technical field of positioning fixtures, and comprises a base and a machining table, wherein the machining table is arranged above the base, clamping boxes are arranged on two sides of the machining table, motors are arranged on the inner surfaces of the clamping boxes, and turntables are arranged in front of the motors.

Description

Positioning fixture is used in machining of machine parts

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for machining mechanical accessories.

Background

The machine tool is a device for fixing a machining object in a machine manufacturing process to occupy a correct position so as to receive construction or detection, and the device is also called a fixture. 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.

The utility model discloses a positioning fixture for machining mechanical accessories, which is characterized in that a base is arranged on a clamping disc through the cooperation of a base, a positioning hole, a clamping disc, a sliding groove, a central hole, a baffle, an abutting wheel, a moving block, a limiting groove, an adjusting mechanism and a transmission mechanism, the abutting wheel is rotated according to the specific shape of the accessory, and the abutting wheel is fixed through a threaded rod, so that the abutting wheel can be better attached to the accessory, but the clamping protection of the mechanical accessory is absent, and the damage to the mechanical accessory caused by overlarge clamping force is not avoided.

In view of the above, a positioning jig for machining a machine tool has been proposed, which is improved against the shortcomings of the conventional structure.

Disclosure of Invention

The utility model aims to provide a positioning clamp for machining mechanical accessories, which solves 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 locating fixture is used in machine part processing, includes base and processing platform, the top at the base is installed to the processing platform, the centre gripping case is installed to the both sides of processing platform, the interior surface mounting of centre gripping case has the motor, the carousel is installed in the place ahead of motor, the fixed slot is installed to the surface mounting of carousel, the connecting rod is installed in the place ahead of fixed slot, the centre gripping arm is installed to the below of connecting rod, the left side surface mounting of centre gripping arm has spacing seat, first grip block is installed in the left side of spacing seat, compression pole is installed in the left side of first grip block.

Further, a second clamping block is arranged on the left side of the compression rod, and a rubber layer is arranged on the outer surface of the second clamping block.

Further, chip removal holes are formed in the upper surface of the machining table, a dust box is arranged on the inner surface of the machining table, and a handle is arranged on the right side of the dust box.

Further, a pulley is arranged below the dust collection box, and a sliding rail is arranged below the pulley.

Further, a spring is arranged on the inner surface of the first clamping block, and a limiting block is arranged above the spring.

Further, the second clamping blocks are symmetrically arranged along the center of the processing table, and the outer surfaces of the second clamping blocks are attached to the outer surfaces of the rubber layers.

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

1. according to the utility model, through the arrangement of the base, the processing table, the clamping box, the clamping arm, the compression rod, the limiting seat, the first clamping block, the second clamping block, the motor, the turntable, the fixing groove and the connecting rod, mechanical accessories are placed above the processing table, the motor in the clamping box is started again, the turntable is driven to rotate by the motor, the connecting rod fixed by the fixing groove is driven to rotate, the clamping arm penetrating through the limiting seat is moved by the connecting rod, and the mechanical accessories are clamped by the first clamping block and the second clamping block, so that the mechanical accessories can be positioned by adapting to mechanical accessories with different shapes due to the fact that the first clamping block and the second clamping block are uniformly distributed along the central symmetry position of the processing table, and the mechanical accessories are prevented from being deviated in the processing;

2. according to the utility model, through the arrangement of the processing table, the chip removal holes, the dust collection box, the pulleys, the sliding rails and the handles, when the mechanical parts are processed, waste chips and dust are generated and discharged to the dust collection box in the processing table through the chip removal holes, and then the handles are pulled to drive the pulleys to move on the sliding rails so as to pull out the dust collection box, and the waste chips and the dust are removed, so that the waste chips generated by drilling can be effectively collected, the waste chips and the dust are prevented from influencing the processing, and meanwhile, the physical injury to workers is avoided;

3. according to the utility model, through the arrangement of the compression rod, the first clamping block, the second clamping block, the rubber layer, the limiting block and the spring, when the mechanical accessory is clamped by the second clamping block, the rubber layer on the outer surface of the second clamping block protects the mechanical accessory, and then the compression rod drives the extrusion limiting block to extrude the spring in the first clamping block, so that the mechanical accessory is buffered when being clamped, the mechanical accessory is clamped and protected, and damage to the mechanical accessory due to overlarge clamping force is prevented.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the overall structure of a part of the present utility model;

FIG. 3 is a schematic top cross-sectional view of the clamping case of the present utility model;

FIG. 4 is a schematic diagram of a formal cross-sectional structure of a processing station according to the present utility model;

fig. 5 is a schematic top cross-sectional view of the first clamping block and the second clamping block of the present utility model.

In the figure: 1. a base; 2. a processing table; 3. a clamping box; 4. a clamping arm; 5. a compression rod; 6. a limit seat; 7. a first clamping block; 8. a second clamping block; 9. a motor; 10. a turntable; 11. a fixing groove; 12. a connecting rod; 13. chip removal holes; 14. a dust collection box; 15. a pulley; 16. a slide rail; 17. a handle; 18. a rubber layer; 19. a limiting block; 20. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model is shown in fig. 1-3 for illustration and description, and the positioning fixture for machining mechanical accessories comprises a base 1 and a machining table 2, wherein the machining table 2 is arranged above the base 1, two sides of the machining table 2 are provided with a clamping box 3, the inner surface of the clamping box 3 is provided with a motor 9, the front of the motor 9 is provided with a rotary table 10, the outer surface of the rotary table 10 is provided with a fixed groove 11, the front of the fixed groove 11 is provided with a connecting rod 12, the lower part of the connecting rod 12 is provided with a clamping arm 4, the left side outer surface of the clamping arm 4 is provided with a limiting seat 6, the left side of the limiting seat 6 is provided with a first clamping block 7, the left side of the first clamping block 7 is provided with a compression rod 5, the mechanical accessories are placed above the machining table 2, the motor 9 in the clamping box 3 is started again, the rotary table 10 is driven to rotate by the motor 9, the connecting rod 12 fixed by the fixed groove 11 is driven to rotate, the clamping arm 4 penetrating through the limiting seat 6 is moved by the connecting rod 12, and the first clamping block 7 and the second clamping block 8 are uniformly distributed along the center of the machining accessory, and the machining accessory is prevented from being machined and being located at the same position as the machining center.

As shown in fig. 1-5, the second clamping block 8 is installed on the left side of the compression rod 5, and the rubber layer 18 is installed on the outer surface of the second clamping block 8, 8 second clamping blocks 8 are symmetrically arranged along the center of the processing table 2, and the outer surface of the second clamping block 8 is attached to the outer surface of the rubber layer 18, chip removal holes 13 are installed on the upper surface of the processing table 2, a dust box 14 is installed on the inner surface of the processing table 2, a handle 17 is installed on the right side of the dust box 14, a pulley 15 is installed below the dust box 14, a sliding rail 16 is installed below the pulley 15, when a mechanical accessory is processed, waste chips and dust are generated to the dust box 14 inside the processing table 2 through the chip removal holes 13, the handle 17 is pulled by the handle 17, the pulley 15 is driven on the sliding rail 16 to pull out the dust box 14, the chip and the dust are removed, therefore waste chips and dust generated by the effective collection drilling can be prevented from affecting the processing, meanwhile, damage to workers is avoided, a limit block 7 is installed on the right side of the dust box 14, a limit block 20 is installed on the inner surface of the first clamping block 20, and a mechanical accessory is compressed by the second clamping block 20, and the mechanical accessory is protected by the compression rod 20, and the mechanical accessory is compressed by the second clamping block 20, and the mechanical accessory is protected by the mechanical accessory is compressed by the second clamping block 8, and the mechanical accessory is protected by the mechanical accessory is compressed by the mechanical accessory and the mechanical accessory is compressed by the 18, and the mechanical accessory is protected.

Working principle: when the positioning clamp for machining the mechanical parts is used, firstly, the mechanical parts are placed above a machining table 2, then a motor 9 in a clamping box 3 is started, a turntable 10 is driven by the motor 9 to rotate, then a connecting rod 12 fixed by a fixing groove 11 is driven to rotate, a clamping arm 4 penetrating through a limiting seat 6 is moved by the connecting rod 12, then the mechanical parts are clamped by a first clamping block 7 and a second clamping block 8, the first clamping block 7 and the second clamping block 8 are uniformly distributed along the central symmetry position of the machining table 2, so that the positioning clamp can adapt to the mechanical parts with different shapes, position the mechanical parts, prevent deflection during machining, generate scraps and dust to be discharged to a dust collection box 14 in the machining table 2 through a chip removal hole 13 during machining the mechanical parts, the pulley 15 is driven by the handle 17 to move on the sliding rail 16 through pulling the handle 17, the dust collection box 14 is pulled out to remove and process the sweeps and dust, so that the sweeps generated by drilling can be effectively collected, the sweeps and the dust are prevented from influencing the machining, meanwhile, the physical injury to workers is avoided, when the second clamping block 8 is used for clamping, the rubber layer 18 on the outer surface of the second clamping block 8 protects the mechanical parts, the compression rod 5 drives the extrusion limiting block 19 to extrude the spring 20 inside the first clamping block 7, the mechanical parts are buffered when being clamped, the mechanical parts are protected, damage to the mechanical parts due to overlarge clamping force is prevented, and the positioning clamp for machining the mechanical parts is the working principle.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a locating fixture for machining machine parts, includes base (1) and processing platform (2), its characterized in that, the top at base (1) is installed to processing platform (2), centre gripping case (3) are installed to the both sides of processing platform (2), interior surface mounting of centre gripping case (3) has motor (9), carousel (10) are installed in the place ahead of motor (9), fixed slot (11) are installed to the surface mounting of carousel (10), connecting rod (12) are installed in the place ahead of fixed slot (11), centre gripping arm (4) are installed to the below of connecting rod (12), spacing seat (6) are installed to the left side surface mounting of centre gripping arm (4), first grip block (7) are installed in the left side of spacing seat (6), compression pole (5) are installed in the left side of first grip block (7).

2. The positioning jig for machining of mechanical parts according to claim 1, wherein the second clamping block (8) is mounted on the left side of the compression rod (5), and a rubber layer (18) is mounted on the outer surface of the second clamping block (8).

3. A positioning jig for machining a machine tool according to claim 1, characterized in that the upper surface of the machining table (2) is provided with chip removing holes (13), and the inner surface of the machining table (2) is provided with a dust box (14), and the right side of the dust box (14) is provided with a handle (17).

4. A positioning jig for machining a machine tool according to claim 3, wherein a pulley (15) is mounted below the dust box (14), and a slide rail (16) is mounted below the pulley (15).

5. The positioning fixture for machining mechanical parts according to claim 1, wherein a spring (20) is mounted on the inner surface of the first clamping block (7), and a limiting block (19) is mounted above the spring (20).

6. The positioning fixture for machining mechanical parts according to claim 2, wherein 8 second clamping blocks (8) are symmetrically arranged along the center of the machining table (2), and the outer surfaces of the second clamping blocks (8) are attached to the outer surfaces of the rubber layers (18).

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