CN218988040U

CN218988040U - Cold bending manipulator clamping jaw

Info

Publication number: CN218988040U
Application number: CN202222502816.7U
Authority: CN
Inventors: 李海平; 唐昭; 孙球
Original assignee: Guangzhou Huade Automobile Spring Co ltd
Current assignee: Guangzhou Huade Automobile Spring Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-05-09
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to a cold bending manipulator clamping jaw which comprises a mounting base, an air cylinder base, a swing arm and a fixed arm, wherein the air cylinder base is hinged with the mounting base through a first pin shaft; the tail end of the fixed arm is connected with the lower part of the mounting base by a screw, and the middle part of the swing arm is hinged with the middle part of the fixed arm by a third pin shaft; the head of the swing arm and the head of the fixed arm are respectively provided with a clamping block by screws. The beneficial effects are that: the opening and closing angle between the swing arm and the fixed arm is adjusted by utilizing the air cylinder to drive the swing arm, so that one set of clamping jaw can adapt to tubular products with similar sizes; the clamp splice is contacted with the tubular product, and if the clamp splice is worn and cannot be used normally, the clamp splice is only required to be replaced, so that the replacement time is short and the replacement cost is low.

Description

Cold bending manipulator clamping jaw

Technical Field

The utility model relates to the technical field of cold bending manipulators, in particular to a clamping jaw of a cold bending manipulator.

Background

The cold bending forming technology is a new technology for forming tubular products with the advantages of saving materials, saving energy and high efficiency. By utilizing the process, not only can high-quality tubular products be produced, but also the product development period can be shortened, the production efficiency can be improved, and the market competitiveness of enterprises can be improved. In the cold bending forming process, the cylinder is driven by the manipulator to push the clamping jaw to clamp the tubular product, and the clamping jaw is used for transferring between the upper station and the lower station.

When the clamping jaw of the existing cold bending manipulator is used for a period of time, after the contact surface of the clamping jaw and a tubular product is worn, two clamping arms of the clamping jaw need to be replaced integrally, and the replacement time is long and the replacement cost is high; and the opening and closing angle of the clamping jaw is matched with the specification of the product, so that the clamping jaw with different specifications needs to be replaced even if the tubular products with similar sizes are clamped, and the production efficiency is affected.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art and provide a cold bending manipulator clamping jaw.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the utility model provides a cold bending manipulator clamping jaw, includes the installation base, cylinder base, L shape swing arm, the straight line fixed arm that are used for being connected with cold bending manipulator, the cylinder base is articulated through first round pin axle with the installation base, the tail end and the cylinder base of cylinder are with screwed connection, the cylinder connector is installed to the piston rod head of cylinder, the cylinder connector is articulated through the second round pin axle with the afterbody of swing arm; the tail end of the fixed arm is connected with the lower part of the mounting base by a screw, and the middle part of the swing arm is hinged with the middle part of the fixed arm by a third pin shaft; the head of the swing arm and the head of the fixed arm are respectively provided with a clamping block for clamping the tubular product by screws.

The front of the clamping block is provided with a limiting groove for preventing the tubular product from sliding along the length direction of the clamping block, and the limiting grooves on the two clamping blocks face to face.

The beneficial effects of the utility model are as follows: the cylinder drives the swing arm to adjust the opening and closing angles between the swing arm and the fixed arm, so that one set of clamping jaw can adapt to tubular products with similar sizes; the head of the swing arm and the head of the fixed arm are respectively provided with a clamping block by screws, the clamping blocks are contacted with the tubular product, and if the clamping blocks are worn and cannot be used normally, the clamping blocks are only required to be replaced, so that the replacement time is short and the replacement cost is low.

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 application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of a clamping jaw in the present utility model;

FIG. 2 is a schematic view of the mounting base of the present utility model;

FIG. 3 is a schematic view of the structure of the cylinder base of the present utility model;

FIG. 4 is a schematic view of the structure of the swing arm of the present utility model;

FIG. 5 is a schematic view of the structure of the fixing arm of the present utility model;

FIG. 6 is a schematic view of the structure of the clamping block of the present utility model;

FIG. 7 is a schematic view of a cylinder connector according to the present utility model;

FIG. 8 is a schematic view of the structure of the cylindrical pin of the present utility model;

the reference numerals in the figures illustrate: the mounting base 1, the cylinder base 2, the cylinder 3, the swing arm 4, the fixed arm 5, the first pin shaft 6, the mounting bottom plate 7, the first U-shaped block 8, the first round hole 9, the cylinder mounting plate 10, the second U-shaped block 11, the second round hole 12, the cylinder connector 13, the second pin shaft 14, the internal thread pipe 15, the third U-shaped block 16, the third round hole 17, the fourth U-shaped block 18, the fourth round hole 19, the third pin shaft 20, the fifth U-shaped block 21, the fifth round hole 22, the sixth round hole 23, the clamping block 24, the limiting groove 25, the cylindrical pin 26, the clamping groove 27, the clamping ring 28, the limiting end plate 29 and the tubular product 100.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

As shown in fig. 1 to 8, a cold bending manipulator clamping jaw comprises a mounting base 1, a cylinder base 2, a cylinder 3, an L-shaped swing arm 4 and a linear fixing arm 5, wherein the mounting base is used for being connected with the cold bending manipulator.

The cylinder base 2 is hinged with the mounting base 1 through a first pin shaft 6, and the tail end of the cylinder 3 is connected with the cylinder base 2 through screws. Specifically, the mounting base 1 comprises a rectangular mounting bottom plate 7 and two first U-shaped blocks 8 perpendicular to the mounting bottom plate 7, the two first U-shaped blocks 8 are parallel to each other, and each first U-shaped block 8 is provided with a first round hole 9 which is penetrated left and right; the cylinder base 2 comprises a rectangular cylinder mounting plate 10 and a second U-shaped block 11 perpendicular to the cylinder mounting plate 10, a second round hole 12 which is penetrated left and right is arranged on the second U-shaped block 11, and the first round hole 9 and the second round hole 12 are connected in series by the first pin shaft 6.

The head of a piston rod of the air cylinder 3 is provided with an air cylinder connector 13, and the air cylinder connector 13 is hinged with the tail of the swing arm 4 through a second pin shaft 14. Specifically, the cylinder connector 13 includes an internal thread pipe 15 screwed with the head of the piston rod of the cylinder 3 and a third U-shaped block 16 fixedly connected with the head end of the internal thread pipe 15, a third round hole 17 penetrating left and right is arranged on the third U-shaped block 16, two fourth U-shaped blocks 18 parallel to each other are arranged at the tail of the swing arm 4, a fourth round hole 19 penetrating left and right is arranged on each fourth U-shaped block 18, and the second pin 14 connects the third round hole 17 and the fourth round hole 19 in series.

The tail end of the fixed arm 5 is connected with the lower part of the mounting base 1 by a screw, and the middle part of the swinging arm 4 is hinged with the middle part of the fixed arm 5 by a third pin shaft 20. Specifically, two vertically upward fifth U-shaped blocks 21 are arranged in the middle of the fixed arm 5, a left-right through fifth round hole 22 is formed in each fifth U-shaped block 21, a left-right through sixth round hole 23 is formed in the corner of the middle of the swing arm 4, and the fifth round hole 22 and the sixth round hole 23 are connected in series by a third pin shaft 20. The opening and closing angle between the swing arm 4 and the fixed arm 5 is adjusted by driving the swing arm 4 through the air cylinder 3, so that one set of clamping jaw can adapt to tubular products with similar sizes.

The head of the swing arm 4 and the head of the fixed arm 5 are respectively provided with a clamping block 24 for clamping the tubular product 100 by screws, the front surface of the clamping block 24 is provided with a limiting groove 25 for preventing the tubular product from sliding along the length direction of the clamping block 24, the limiting grooves 25 on the two clamping blocks 24 face to face, and the longitudinal section of the limiting groove 25 is arched. With the clamp block 24 in contact with the tubular product 100, if the clamp block 24 is worn out and cannot be used normally, only the clamp block 24 needs to be replaced, so that the replacement time is short and the replacement cost is low.

In addition, the longitudinal section of the limiting groove 25 may be V-shaped.

The first pin shaft 6, the second pin shaft 14 and the third pin shaft 20 are cylindrical pins 26, a circle of clamping grooves 27 are formed in the heads of the cylindrical pins 26, clamping rings 28 used for preventing the cylindrical pins from being separated from the round holes are clamped in the clamping grooves 27, and limiting end plates 29 used for preventing the cylindrical pins 26 from being separated from the round holes are arranged at the tail ends of the cylindrical pins 26.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a cold bending manipulator clamping jaw which characterized in that: the device comprises a mounting base, an air cylinder base, an L-shaped swing arm and a linear fixing arm, wherein the mounting base, the air cylinder base, the L-shaped swing arm and the linear fixing arm are used for being connected with a cold bending manipulator, the air cylinder base is hinged with the mounting base through a first pin shaft, the tail end of the air cylinder is connected with the air cylinder base through a screw, the head of a piston rod of the air cylinder is provided with an air cylinder connector, and the air cylinder connector is hinged with the tail of the swing arm through a second pin shaft; the tail end of the fixed arm is connected with the lower part of the mounting base by a screw, and the middle part of the swing arm is hinged with the middle part of the fixed arm by a third pin shaft; the head of the swing arm and the head of the fixed arm are respectively provided with a clamping block for clamping the tubular product by screws.

2. The cold-bending manipulator jaw of claim 1, wherein: the front of the clamping block is provided with a limiting groove for preventing the tubular product from sliding along the length direction of the clamping block, and the limiting grooves on the two clamping blocks face to face.

3. The cold-bending manipulator jaw of claim 2, wherein: the longitudinal section of the limiting groove is arched or V-shaped.

4. The cold-bending manipulator jaw of claim 1, wherein: the mounting base comprises a rectangular mounting bottom plate and two first U-shaped blocks perpendicular to the mounting bottom plate, the two first U-shaped blocks are parallel to each other, and each first U-shaped plate is provided with a first round hole which is penetrated left and right; the cylinder base comprises a rectangular cylinder mounting plate and a second U-shaped block perpendicular to the cylinder mounting plate, a left-right through second round hole is formed in the second U-shaped block, and the first round hole and the second round hole are connected in series by the first pin shaft.

5. The cold-bending manipulator jaw of claim 1, wherein: the cylinder connector comprises an inner threaded pipe in threaded connection with the head of a piston rod of a cylinder and a third U-shaped block fixedly connected with the head end of the inner threaded pipe, a left-right through third round hole is formed in the third U-shaped block, two fourth U-shaped blocks parallel to each other are arranged at the tail of the swing arm, a left-right through fourth round hole is formed in each fourth U-shaped block, and the second pin shaft connects the third round hole and the fourth round hole in series.

6. The cold-bending manipulator jaw of claim 1, wherein: the middle part of the fixed arm is provided with two vertical upward fifth U-shaped blocks, each fifth U-shaped block is provided with a left-right through fifth round hole, the corner of the middle part of the swing arm is provided with a left-right through sixth round hole, and the fifth round hole and the sixth round hole are connected in series by a third pin shaft.

7. The cold-bending manipulator jaw of claim 1, wherein: the first pin shaft, the second pin shaft and the third pin shaft are cylindrical pins, a circle of clamping groove is formed in the head of each cylindrical pin, a clamping ring used for preventing the cylindrical pins from separating from the round holes is clamped in the clamping groove, and a limiting end plate used for preventing the cylindrical pins from separating from the round holes is arranged at the tail end of each cylindrical pin.