CN219094957U

CN219094957U - Workpiece assembling clamp for automatic production line

Info

Publication number: CN219094957U
Application number: CN202320029562.3U
Authority: CN
Inventors: 王新红; 王新松
Original assignee: Yangzhou Qiansheng Machinery Co ltd
Current assignee: Yangzhou Qiansheng Machinery Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-30
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a workpiece assembly fixture used on an automatic production line in the field of fixtures, which comprises a lower mounting bracket, wherein a lifting cylinder is arranged on the lower mounting bracket, a lifting block is connected to the extending end of a piston rod of the lifting cylinder through a cylinder joint, and a V-shaped guide surface is arranged on the lifting block; the guide surface top corresponds and is provided with the centre gripping arm, the centre gripping arm has two, leaves the centre gripping mouth that is used for centre gripping work piece between the upper shed of two centre gripping arms, two centre gripping arms are articulated on the arm holder through the articulated shaft symmetry, are equipped with the spring of order about the centre gripping mouth closure below the articulated shaft between the centre gripping arm. The device drives the clamping opening to open and close through the movement of the lifting cylinder, a workpiece to be installed can be placed in the clamping opening to be clamped or taken out from the clamping opening, the clamping force is constant, the working process is easy to operate, the installation and the arrangement are convenient, the device is used for an automatic production line, and the production efficiency during clamping can be greatly improved.

Description

Workpiece assembling clamp for automatic production line

Technical Field

The utility model relates to a clamp, in particular to a clamp used on an automatic production line.

Background

When assembling or processing a workpiece by using an automatic production line, a clamp is often used for clamping and fixing the workpiece, and the workpiece is taken out after the installation or processing is completed.

The clamp device in the prior art drives the chuck to lock the workpiece through a nut screw structure, so that the workpiece is fixed. The defects are that: the locking mode is slow in action and is unfavorable for rapid clamping and taking out.

Disclosure of Invention

The utility model aims to provide a workpiece assembly fixture for an automatic production line, which can realize rapid clamping of workpieces so as to facilitate rapid assembly of the workpieces on the production line.

To this end, the object of the utility model is achieved in that: the workpiece assembling clamp comprises a lower mounting bracket, wherein a lifting cylinder is mounted on the lower mounting bracket, a lifting block is connected to the extending end of a piston rod of the lifting cylinder through a cylinder joint, and a V-shaped guide surface is arranged on the lifting block; the guide surface top corresponds and is provided with the centre gripping arm, the centre gripping arm has two, leaves the centre gripping mouth that is used for centre gripping work piece between the upper shed of two centre gripping arms, two centre gripping arms are articulated on the arm holder through the articulated shaft symmetry, are equipped with the spring of order about the centre gripping mouth closure below the articulated shaft between the centre gripping arm.

When the automatic lifting device works, the lower mounting bracket and the clamping arm seat are fixed at specific positions on an automatic production line, when the lifting cylinder drives the lifting block to ascend, the V-shaped guide surface arranged on the lifting block contacts the lower end of the clamping arm, the lower end of the clamping arm is driven to move in opposite directions against the force of a spring, and the clamping arm rotates around the hinge shaft to enable the clamping opening to be opened; conversely, when the lifting cylinder drives the lifting block to descend, the clamping opening is closed; when the clamping opening is opened and closed, a workpiece to be installed can be placed in the clamping opening to be clamped or taken out from the clamping opening, the clamping force is realized through the tension of the spring, the clamping force is constant, and the workpiece cannot be clamped. The working process is easy to operate, the whole installation and arrangement are convenient, the device is used for an automatic production line, and the production efficiency during clamping can be greatly improved.

As a further improvement of the utility model, the lower end of the clamping arm is provided with a roller matched with the guide surface, and the roller is arranged at the lower end of the clamping arm through a roller shaft. When the lifting cylinder drives the lifting block to move upwards, the lower end of the clamping arm is driven to move in opposite directions against the spring force after the V-shaped guide surface contacts the roller, and the roller has guiding and rolling functions, so that the clamping arm can conveniently open and close, and abrasion between the clamping arm and the V-shaped guide surface can be reduced.

The utility model is further improved in that the clamping arm seat is longitudinally provided with a mounting opening, two clamping arms are arranged in the mounting opening, and the side surface of the upper part of the mounting opening is provided with a notch capable of accommodating a workpiece. Further, the end face of the mounting port is rectangular. The structure has high strength and reliable operation.

For protecting and shielding the clamping arm and the spring, a U-shaped protection plate is arranged on the lower side of the clamping arm seat.

In order to further ensure that the lifting block is stable in lifting, the cylinder is a double-rod double-shaft cylinder.

Drawings

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

Fig. 2 is a schematic plan view of the present utility model.

FIG. 3 is a schematic cross-sectional view of the present utility model.

Fig. 4 is a schematic perspective view of another angle of the present utility model.

In the figure, a lifting cylinder 1, a roller 2, a roller shaft 3, a spring 4, a hinge shaft 5, a clamping arm seat 6, a mounting opening 7, a clamping opening 8, a workpiece 9, a protection plate 10, a clamping arm 11, a lifting block 12, a guide surface 12a, a cylinder joint 13 and a lower mounting bracket 14.

Detailed Description

1-4, a workpiece assembling clamp for an automatic production line comprises a lower mounting bracket 14, wherein a lifting cylinder 1 is mounted on the lower mounting bracket 14, a lifting block 12 is connected to the extending end of a piston rod of the lifting cylinder 1 through a cylinder joint 13, and a V-shaped guide surface 12a is arranged on the lifting block 12; the upper parts of the guide surfaces 12a are correspondingly provided with clamping arms 11, two clamping arms 11 are arranged, a clamping opening 8 for clamping a workpiece 9 is reserved between the upper openings of the two clamping arms 11, the two clamping arms 11 are symmetrically hinged on the clamping arm seat 6 through the hinge shaft 5, and a spring 4 for driving the clamping opening 8 to be closed is arranged between the clamping arms 11 below the hinge shaft 5.

The lower end of the clamping arm 11 is provided with a roller 2 matched with the guide surface, and the roller 2 is arranged at the lower end of the clamping arm 11 through a roller shaft 3. When the lifting cylinder 1 drives the lifting block 12 to move upwards, the lower end of the clamping arm 11 is driven to move in opposite directions against the force of the spring 4 after the V-shaped guide surface 12a contacts the roller, and the roller 2 has guiding and rolling functions, so that the clamping arm 11 can conveniently move in an opening and closing manner, and abrasion between the clamping arm 11 and the V-shaped guide surface can be reduced.

The clamping arm seat 6 is longitudinally provided with a mounting opening 7, two clamping arms 11 are arranged in the mounting opening 7, and a notch capable of accommodating a workpiece 9 is formed in the side face of the upper part of the mounting opening 7. The end face of the mounting opening 7 is rectangular. The structure has high strength and reliable operation.

For protecting and shielding the clamping arm 11 and the spring 4, a U-shaped protection plate 10 is arranged at the lower side of the clamping arm seat 6. The protection plate is also provided with an observation port so as to visually see the working states of the clamping arm 11 and the spring 4.

In order to further ensure the lifting stability of the lifting block 12, the cylinder is a double-rod double-shaft cylinder.

When the device works, the lower mounting bracket 14 and the clamping arm seat 6 are fixed at a specific position on an automatic production line, when the lifting cylinder 1 drives the lifting block 12 to ascend, a V-shaped guide surface arranged on the lifting block 12 contacts the lower end of the clamping arm 11, the lower end of the clamping arm 11 is driven to move in opposite directions against the force of the spring 4, and the clamping arm 11 rotates around the hinge shaft 5, so that the clamping opening 8 is opened; conversely, when the lifting cylinder 1 drives the lifting block 12 to descend, the clamping opening 8 is closed; the clamping opening 8 can be opened and closed to clamp a workpiece 9 to be mounted in the clamping opening 8 or to take out the workpiece from the clamping opening 8. The working process is easy to operate, convenient to install and arrange, applicable to an automatic production line, and capable of greatly improving production efficiency.

As shown in the figure, the device can be used for installing the throat hoops, the workpiece 9 in the figure is a steel belt and a hooping head after being installed and fixed, the workpiece 9 can be clamped or loosened by opening and closing a clamping opening, the steel belt can be coiled after the workpiece is clamped, after a screw rod is installed on the hooping head, the other end of the steel belt is inserted into the hooping head, then the screw rod is screwed in to fix the end of the steel belt, the installation of the throat hoops is completed, finally the clamping opening is opened again, and the installed throat hoops are taken out. In the working process, the lifting cylinder only needs to reciprocate once to finish clamping or taking out, and the working efficiency is high. The workpiece is convenient to clamp.

The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.

Claims

1. A work piece equipment anchor clamps for on automated production line, its characterized in that: the lifting device comprises a lower mounting bracket, wherein a lifting cylinder is arranged on the lower mounting bracket, a lifting block is connected to the extending end of a piston rod of the lifting cylinder through a cylinder joint, and a V-shaped guide surface is arranged on the lifting block; the guide surface top corresponds and is provided with the centre gripping arm, the centre gripping arm has two, leaves the centre gripping mouth that is used for centre gripping work piece between the upper shed of two centre gripping arms, two centre gripping arms are articulated on the arm holder through the articulated shaft symmetry, are equipped with the spring of order about the centre gripping mouth closure below the articulated shaft between the centre gripping arm.

2. The workpiece assembly jig for an automated production line of claim 1, wherein: the lower end of the clamping arm is provided with a roller matched with the guide surface, and the roller is arranged at the lower end of the clamping arm through a roller shaft.

3. The workpiece assembly jig for an automated production line of claim 1, wherein: the clamping arm seat is longitudinally provided with a mounting opening, two clamping arms are arranged in the mounting opening, and a notch capable of accommodating a workpiece is formed in the side face of the upper part of the mounting opening.

4. A workpiece assembly jig for an automated production line as recited in claim 3, wherein: the end face of the mounting opening is rectangular.

5. The workpiece assembly jig for use in an automated production line as recited in any one of claims 1-4, wherein: the lower side of the arm clamping seat is provided with a U-shaped protection plate.

6. The workpiece assembly jig for use in an automated production line as recited in any one of claims 1-4, wherein: the cylinder is a double-rod double-shaft cylinder.