CN215789309U

CN215789309U - Clamping mechanism

Info

Publication number: CN215789309U
Application number: CN202121676383.6U
Authority: CN
Inventors: 杜海亮
Original assignee: Xiamen Hengtian Intelligent Equipment Co ltd
Current assignee: Xiamen Hengtian Intelligent Equipment Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-02-11
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a clamping mechanism which comprises an installation seat, a first clamping piece, a second clamping piece and a linear moving part. The first clamping piece and the second clamping piece are movably installed on the installation seat through linear moving parts respectively. The linear moving part comprises a pair of belt pulleys, a belt, a motor, a pair of rails and a moving seat. The movable seat comprises a movable plate, two sliding blocks and a connecting piece. The moving plate is slidably mounted on the mounting seat through the sliding block and the rail. One end of the connecting piece is installed at the bottom or the side part of the moving plate, and the other end of the connecting piece is connected with the linear part of the belt. According to the utility model, the first clamping piece or the second clamping piece is connected with the corresponding driving piece through the belt and the connecting piece, and the belt is made of soft materials, so that when power is transmitted to the first clamping piece or the second clamping piece, the driving force is also flexible, and meanwhile, the rigid collision between parts is avoided, and the vibration condition is reduced.

Description

Clamping mechanism

Technical Field

The utility model relates to a clamping mechanism.

Background

The clamping mechanism is a common mechanism, the figure of the clamping mechanism can be found in most mechanical equipment and automation equipment, for example, a pneumatic claw driven by a cylinder belongs to a softer clamping mechanism, but the clamping mechanism has the defect that the linear moving distance cannot be accurately controlled; or the motor is matched with a gear rack or a lead screw nut for driving, the device belongs to a rigid moving mechanism, can accurately control the moving distance, and has the defects of high rigidity, large impact between parts and easy vibration. In some occasions where the clamping mechanism needs to be small in vibration and can be accurately controlled in movement, a composite clamping mechanism needs to be provided.

Disclosure of Invention

The present invention provides a clamping mechanism for solving the above technical problems, which includes a mounting base, a first clamping member, a second clamping member and a linear moving member. The first clamping piece and the second clamping piece are movably arranged on the mounting seat through the linear moving part respectively and are arranged oppositely in the moving direction, and the first clamping piece and the second clamping piece are used for clamping materials.

The linear moving part comprises a pair of belt pulleys, a belt, a motor, a pair of rails and a moving seat, and is specifically installed as follows:

the two belt pulleys are installed on the installation seat at intervals. The belt is sleeved on the two belt pulleys.

The motor is installed on the mounting seat and drives the belt pulley to rotate.

The two tracks are arranged close to the belt and are spaced and parallel to the central connecting line of the two belt pulleys.

The movable seat comprises a movable plate, two sliding blocks and a connecting piece. The two sliding blocks are symmetrically arranged at the bottom of the moving plate. The moving plate is slidably mounted on the mounting seat through the sliding block and the rail. One end of the connecting piece is installed at the bottom or the side part of the moving plate, and the other end of the connecting piece is connected with the linear part of the belt.

When the clamping device works, the motor rotates to drive the belt pulley and the belt and then the connecting piece to drive the moving plate, and finally the first clamping piece or the second clamping piece is driven to open or close the first clamping piece and the second clamping piece, so that the clamping or loosening of materials is realized.

Preferably, the connecting piece is the grip block, the top of grip block is installed in the movable plate bottom, and the bottom is equipped with flaky centre gripping mouth, the grip block passes through the centre gripping mouth and presss from both sides on the belt to the grip block can with belt simultaneous movement.

Preferably, the side part of the clamping block is provided with a screw hole communicated with the clamping port, and a set screw is screwed into the screw hole, so that the clamping block is fixed with the belt.

Preferably, the belt is the hold-in range, the belt pulley is the synchronizing wheel to the realization is opened or closed degree with second holder of more accurate control first holder.

Preferably, a protective cover is arranged on the periphery of the synchronizing wheel, so that dust or sundries can be placed between the synchronizing wheel and the synchronous belt.

Preferably, in order to simplify the structure, the length of the moving plate is shortened, and the track of the second clamping member is arranged outside the track of the first clamping member.

Preferably, for the sake of a simplified structure, the moving plate of the second clamping member is disposed on top of the moving plate of the first clamping member.

Preferably, the linear moving part includes a proximity sensor installed on the installation base and located below the moving plate, and the moving positions of the first clamping member and the second clamping member can be accurately obtained through the proximity sensor.

As can be seen from the above description of the present invention, the first clamping member or the second clamping member is connected with the corresponding driving member through the belt and the connecting member, and the belt is made of a soft material, so that when power is transmitted to the first clamping member or the second clamping member, the driving force is also a flexible force, and meanwhile, rigid collision between parts is avoided, and the vibration condition is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

FIG. 1 is an isometric view of a clamping mechanism;

FIG. 2 is a second isometric view of a clamping mechanism;

FIG. 3 is a side elevational view of a clamping mechanism; (omitting the first and second holders)

FIG. 4 is a front view of a clamping mechanism;

FIG. 5 is a side view of a clamping mechanism;

FIG. 6 is a top view of a clamping mechanism;

the designations in fig. 1 to 6 are respectively: the device comprises a mounting seat 1, a first clamping piece 2, a second clamping piece 3, a linear moving component 4, a belt pulley 41, a belt 42, a motor 43, a track 44, a moving seat 45, a connecting piece 451 and a protective cover 5.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6, a clamping mechanism includes a mounting base 1, a first clamping member 2, a second clamping member 3, and a linear moving member 4. The first clamping piece 2 and the second clamping piece 3 are respectively movably arranged on the mounting base 1 through respective linear moving parts 4 and are oppositely arranged in the moving direction for clamping materials.

The linear moving part 4 comprises a pair of pulleys 41, a belt 42, a motor 43, a pair of rails 44 and a moving seat 45, and is specifically mounted as follows:

the two pulleys 41 are installed on the installation seat 1 at intervals. The belt 42 is sleeved on the two pulleys 41. In this embodiment, the belt 42 is a synchronous belt, and the belt pulley 41 is a synchronous wheel, so as to control the opening or closing degree of the first clamping member 2 and the second clamping member 3 more precisely. Meanwhile, for the sake of a simplified structure, the length of the moving plate is shortened, and the rail 44 of the second clamping member 3 is disposed outside the rail 44 of the first clamping member 2.

In this embodiment, a protective cover 5 is disposed on the outer periphery of the synchronizing wheel, so that dust or impurities can be prevented from entering between the synchronizing wheel and the synchronous belt.

The motor 43 is mounted on the mounting base 1 and drives the belt pulley 41 to rotate.

The two rails 44 are mounted close to the belt 42 and spaced apart and parallel to the central connecting line of the two pulleys 41.

The movable base 45 includes a movable plate, two sliders and a connecting member 451. The two sliding blocks are symmetrically arranged at the bottom of the moving plate. The moving plate is slidably mounted on the mounting base 1 through a slider and a rail 44. The link 451 has one end installed at the bottom or side of the moving plate and the other end connected to the linear portion of the belt 42.

In this embodiment, the connecting member 451 is a clamping block, the top of the clamping block is mounted at the bottom of the moving plate, the bottom of the clamping block is provided with a sheet-shaped clamping opening, and the clamping block is clamped on the belt 42 through the clamping opening, so that the clamping block and the belt 42 can move synchronously. Preferably, the side of the clamping block is provided with a screw hole communicated with the clamping port, and a set screw is screwed into the screw hole, so that the clamping block is fixed with the belt 42.

In other embodiments, the linear moving part 4 further includes a proximity sensor installed on the mounting base 1 and located below the moving plate, and the moving positions of the first clamping member 2 and the second clamping member 3 can be accurately obtained through the proximity sensor.

In operation, the motor 43 rotates to drive the belt pulley 41 and the belt 42, and then the connecting member 451, so as to drive the moving plate, and finally drive the first clamping member 2 or the second clamping member 3, so that the first clamping member 2 and the second clamping member 3 are opened or closed, thereby clamping or loosening the material.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A clamping mechanism is characterized by comprising an installation seat, a first clamping piece, a second clamping piece and a linear moving part; the first clamping piece and the second clamping piece are respectively movably arranged on the mounting seat through a linear moving part and are oppositely arranged in the moving direction;

the linear moving part comprises a pair of belt pulleys, a belt, a motor, a pair of rails and a moving seat;

the two belt pulleys are arranged on the mounting seat at intervals; the belt is sleeved on the two belt pulleys;

the motor is arranged on the mounting seat and drives the belt pulley to rotate;

the two tracks are arranged close to the belt and are spaced and parallel to the central connecting line of the two belt pulleys;

the movable seat comprises a movable plate, two sliding blocks and a connecting piece; the two sliding blocks are symmetrically arranged at the bottom of the moving plate; the moving plate is slidably mounted on the mounting seat through a sliding block and a rail; one end of the connecting piece is installed at the bottom or the side part of the moving plate, and the other end of the connecting piece is connected with the linear part of the belt.

2. The clamping mechanism as claimed in claim 1, wherein the connecting member is a clamping block, the top of the clamping block is mounted on the bottom of the moving plate, the bottom of the clamping block is provided with a sheet-shaped clamping opening, and the clamping block is clamped on the belt through the clamping opening.

3. The clamping mechanism as claimed in claim 2, wherein the side of the clamping block is provided with a screw hole communicated with the clamping port, and a set screw is screwed into the screw hole.

4. A clamping mechanism according to claim 1, wherein said belt is a timing belt and said pulley is a timing wheel.

5. A clamping mechanism according to claim 4, wherein the outer periphery of the synchronising wheel is provided with a shield.

6. A clamping mechanism according to claim 1, wherein the track of the second clamping member is disposed outside the track of the first clamping member.

7. A clamping mechanism according to claim 6, wherein the moving plate of the second clamping member is disposed on top of the moving plate of the first clamping member.

8. A clamping mechanism according to claim 1 wherein said linear movement means comprises a proximity sensor mounted on the mounting block and located below the moving plate.