CN219521309U - A Reversible Mechanical Gripper - Google Patents

Abstract

The utility model discloses a reversible mechanical clamp, which relates to the technical field of mechanical clamps and comprises a fixed block and a first sleeve, a rotating shaft is arranged on the left side of the fixed block, and the first sleeve is installed above the rotating shaft , the surface of the rotating shaft is provided with a chute, and the inside of the chute is provided with a first pull rod, the inside of the first sleeve is provided with a telescopic spring, and the right side of the telescopic spring is provided with a telescopic spring, and the telescopic spring A slide block is provided on the right side of the slide block, and a first detent is provided on the right side of the slide block. The reversible mechanical fixture, compared with the existing common mechanical fixture, pulls the first pull rod along the chute to drive the slider to compress the telescopic spring, and rotates the first pull rod so that the first pull rod engages with the chute. The rotating shaft is released, and the first pull rod is released to make the elastic recovery of the telescopic spring, so that the first bayonet pin engages with the fixed block, thereby turning over the first clamping block, which saves processing time and improves processing speed.

Description

A Reversible Mechanical Gripper

technical field

The utility model relates to the technical field of mechanical clamps, in particular to a reversible mechanical clamp.

Background technique

In the process of mechanical manufacturing, it is used to fix the processing object so that it occupies the correct position to accept the construction or inspection device, also known as fixture; in a broad sense, any process in the process is used to quickly, conveniently and safely The device that installs the workpiece can be called a fixture; such as welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. Fixtures are used to fix the processing objects in the process of mechanical manufacturing so that they occupy the correct position to accept construction or The detection device, also known as fixture, in a broad sense, in any process in the process, the device used to install the workpiece quickly, conveniently and safely can be called a fixture. The fixture is usually composed of positioning elements (determining that the workpiece is in The correct position in the fixture), clamping device, tool setting guide element (to determine the relative position of the tool and the workpiece or to guide the direction of the tool), indexing device (to enable the workpiece to complete the processing of several stations in one installation, there are Two types of rotary indexing device and linear moving indexing device), connecting elements and clamp body (fixture base) and so on.

For example, the public document with the application number CN201721817228.5 discloses a mechanical fixture that can be turned arbitrarily and the length and width of the fixture can be adjusted to increase the workable range of the fixture. During processing, the workpiece needs to be fixed for processing. After the processing of one side of the workpiece is completed, when processing the other side, the workpiece needs to be removed and turned over, and then clamped and fixed, which may increase the processing time and reduce the processing cost. speed.

Therefore, in view of this, a reversible mechanical clamp is proposed to improve the existing structural deficiencies.

Utility model content

The purpose of this utility model is to provide a reversible mechanical clamp to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a reversible mechanical fixture, including a fixed block and a first sleeve, the left side of the fixed block is provided with a rotating shaft, and the first sleeve is installed on the rotating shaft Above, the surface of the rotating shaft is provided with a chute, and the inside of the chute is provided with a first pull rod, the inside of the first sleeve is provided with a telescopic spring, and the right side of the telescopic spring is provided with a telescopic spring, the A slide block is provided on the right side of the telescopic spring, and a first detent is provided on the right side of the slide block, and a first clamping block is provided on the left side of the rotating shaft, and a threaded rod is provided inside the first clamping block.

Further, a rubber bump is arranged above the first clamping block, and a second clamping block is arranged above the rubber bump.

Further, a connecting block is arranged inside the second clamping block, and first bolts are arranged above the connecting block.

Further, a baffle is provided behind the connecting block, and a second bolt is provided inside the baffle.

Further, the slider is elastically connected to the first sleeve through a telescopic spring, and the central axis of the first sleeve coincides with the central axis of the slider, and the first sleeve is fixedly connected to the first clamping block, and Two first sleeves are arranged symmetrically along the center of the first clamping block.

Further, the connecting block is slidingly connected with the first clamping block, and two connecting blocks are arranged symmetrically along the center of the first clamping block.

Further, the baffle is slidably connected to the connecting block, and the central axis of the baffle coincides with the central axis of the connecting block.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model is driven by pulling the first pull rod along the chute through the setting of the fixed block, the rotating shaft, the first sleeve, the chute, the first pull rod, the telescopic spring, the slider, the first bayonet pin and the first clip block. The slider compresses the telescopic spring, and rotates the first pull rod so that the first pull rod engages with the chute, and then rotates the rotating shaft and releases the first pull rod to make the telescopic spring recover elastically, so that the first bayonet engages with the fixed block, thereby Flipping the first clamping block saves the processing time and improves the processing speed;

2. In the utility model, through the setting of the first clamping block, threaded rod, rubber bump, second clamping block, connecting block, first bolt, baffle plate and second bolt, the second clamping block moves toward the first clamping block by rotating the threaded rod. A clamping block is close to clamping the workpiece, and is equipped with a rubber bump to prevent the workpiece from slipping, pull the connecting block, adjust the width of the fixture, and screw the first bolt to fix the connecting block, use the second bolt on the sliding baffle fixed, thereby preventing the workpiece from slipping during the overturning, and also facilitating the extension of the clamping surface of the fixture, increasing the range of use of the fixture.

Description of drawings

Fig. 1 is a schematic diagram of the utility model's front view and cross-sectional structure;

Fig. 2 is the schematic diagram of enlarged structure at A place in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the three-dimensional structure of the first sleeve of the utility model;

Fig. 4 is a side view sectional structure schematic diagram of the utility model.

In the figure: 1, fixed block; 2, rotating shaft; 3, first sleeve; 4, chute; 5, first pull rod; 6, telescopic spring; 7, slider; 1. clamping block; 10. threaded rod; 11. rubber bump; 12. second clamping block; 13. connecting block; 14. first bolt; 15. baffle plate; 16. second bolt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-3, a reversible mechanical fixture includes a fixed block 1 and a first sleeve 3, the left side of the fixed block 1 is provided with a rotating shaft 2, and the first sleeve 3 is installed above the rotating shaft 2 , the surface of the rotating shaft 2 is provided with a chute 4, and the inside of the chute 4 is provided with a first pull rod 5, the inside of the first sleeve 3 is provided with a telescopic spring 6, and the right side of the telescopic spring 6 is provided with a telescopic spring 6, The right side of the telescopic spring 6 is provided with a slide block 7, and the right side of the slide block 7 is provided with a first bayonet pin 8, and the left side of the rotating shaft 2 is provided with a first clamping block 9, and the slide block 7 connects with the first clip 9 through the telescopic spring 6. The sleeve 3 is elastically connected, and the central axis of the first sleeve 3 coincides with the central axis of the slider 7, the first sleeve 3 is fixedly connected with the first clamping block 9, and the first sleeve 3 is along the first clamping block. There are two symmetrically arranged in the center of 9, by pulling the first pull rod 5 along the chute 4 to drive the slider 7 to compress the telescopic spring 6, and turning the first pull rod 5 so that the first pull rod 5 is engaged with the chute 4, and then turning the shaft 2. Loosen the first pull rod 5 to make the elastic recovery of the telescopic spring 6, so that the first bayonet pin 8 engages with the fixed block 1, thereby turning over the first clamping block 9, which saves processing time and improves the processing speed.

As shown in Figure 4, the inside of the first clamping block 9 is provided with a threaded rod 10, the top of the first clamping block 9 is provided with a rubber bump 11, and the top of the rubber bump 11 is provided with a second clamping block 12, the second A connection block 13 is provided inside the clamp block 12, and a first bolt 14 is provided above the connection block 13, the connection block 13 is slidingly connected with the first clamp block 9, and the connection block 13 is arranged symmetrically along the center of the first clamp block 9 There are two, the rear of the connecting block 13 is provided with a baffle plate 15, and the inside of the baffle plate 15 is provided with a second bolt 16, the baffle plate 15 is slidably connected with the connecting block 13, and the central axis of the baffle plate 15 is connected to the connecting block 13. The central axis coincides with each other, and by turning the threaded rod 10, the second clamping block 12 is close to the first clamping block 9 to clamp the workpiece, and a rubber bump 11 is provided to prevent the workpiece from slipping, and the connecting block 13 is pulled to adjust the width of the clamp , and screw the first bolt 14 to fix the connecting block 13, and use the second bolt 16 to fix the sliding baffle 15, thereby preventing the workpiece from slipping during turning over, and also facilitating the extension of the clamping surface of the fixture, increasing the The scope of use of the fixture.

Working principle: When using the reversible mechanical fixture, firstly, by turning the threaded rod 10, the second clamping block 12 is moved closer to the first clamping block 9 to clamp the workpiece, and a rubber bump 11 is provided to prevent the workpiece from slipping and pulling Connecting block 13, adjust the width of the fixture, and screw the first bolt 14 to fix the connecting block 13, and use the second bolt 16 to fix the sliding baffle plate 15, thereby preventing the workpiece from slipping during the overturning, and also facilitating the fixing of the fixture The extension of the clamping surface increases the range of use of the clamp. By pulling the first pull rod 5 along the chute 4, the slider 7 is driven to compress the telescopic spring 6, and the first pull rod 5 is rotated so that the first pull rod 5 engages with the chute 4. By rotating the rotating shaft 2 and loosening the first pull rod 5, the telescopic spring 6 is elastically restored, so that the first bayonet pin 8 is engaged with the fixed block 1, thereby turning over the first clamping block 9, which saves processing time and improves the The speed of machining, that's how this reversible mechanical gripper works.

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims (7)

1. The utility model provides a mechanical clamp that can overturn, includes fixed block (1) and first sleeve (3), its characterized in that, the left side of fixed block (1) is provided with pivot (2), the top in pivot (2) is installed to first sleeve (3), spout (4) have been seted up on the surface of pivot (2), and the inside of spout (4) is provided with first pull rod (5), the inside of first sleeve (3) is provided with telescopic spring (6), and the right side of telescopic spring (6) is provided with telescopic spring (6), the right side of telescopic spring (6) is provided with slider (7), and the right side of slider (7) is provided with first bayonet lock (8), the left side of pivot (2) is provided with first clamp splice (9), and the inside of first clamp splice (9) is provided with threaded rod (10).

2. A reversible mechanical clamp according to claim 1, characterized in that the first clamping block (9) is provided with a rubber bump (11) above, and that the rubber bump (11) is provided with a second clamping block (12) above.

3. A reversible mechanical clamp according to claim 2, characterized in that the second clamping block (12) is internally provided with a connection block (13), and that the connection block (13) is provided with a first bolt (14) above.

4. A reversible mechanical clamp according to claim 3, characterized in that the rear of the connection block (13) is provided with a baffle (15), and the inside of the baffle (15) is provided with a second bolt (16).

5. The reversible mechanical clamp according to claim 1, wherein the sliding block (7) is elastically connected with the first sleeve (3) through the telescopic spring (6), the central axis of the first sleeve (3) coincides with the central axis of the sliding block (7), the first sleeve (3) is fixedly connected with the first clamping block (9), and the first sleeve (3) is symmetrically provided with two parts along the center of the first clamping block (9).

6. A reversible mechanical clamp according to claim 3, characterized in that the connecting block (13) is slidingly connected to the first clamping block (9), and that the connecting block (13) is symmetrically arranged with two along the centre of the first clamping block (9).

7. The reversible mechanical clamp according to claim 4, wherein the baffle (15) is slidably connected to the connection block (13), and a central axis of the baffle (15) coincides with a central axis of the connection block (13).