CN213888830U

CN213888830U - Chuck clamping device and chuck

Info

Publication number: CN213888830U
Application number: CN202021873166.1U
Authority: CN
Inventors: 任俊杰
Original assignee: Changzhou Dairuike Mechanical And Electrical Technology Co ltd
Current assignee: Changzhou Dairuike Mechanical And Electrical Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-08-06
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a chuck clamping device and a chuck, wherein the chuck clamping device comprises a chuck body and a plurality of sliding blocks which are symmetrically arranged and slide along the radial direction of the chuck body; fixed mounting has the jack catch subassembly on the sliding block, locate the positive rear of jack catch subassembly on the sliding block and be close to the one side at chuck body center and be equipped with wheel components, the sliding block that the symmetry set up is when doing the motion that closes mutually, the jack catch subassembly with wheel components can hold tubular product simultaneously. The utility model discloses avoided on the market conventional chuck because "get rid of the pipe" phenomenon and the poor problem of machining precision that leads to, effectively solved the long problem of tubular product processing tails simultaneously.

Description

Chuck clamping device and chuck

Technical Field

The utility model relates to a chuck field especially relates to a chuck clamping device and chuck.

Background

Laser cutting is the most important application technology in the laser processing industry, and has the characteristics of high speed, high precision, no deformation of workpieces and the like, so that the laser cutting technology is widely applied to the fields of automobiles, rolling stock manufacturing, aviation, chemical engineering, light industry, electrical appliances, electronics, petroleum, metallurgy and the like. In recent years, laser cutting technology has developed rapidly, and the laser cutting technology has increased at a rate of 20% to 30% every year internationally. China has increased more than 25% per year since 1985. Because the laser industry foundation in China is poor, the application of the laser processing technology is not common, the overall level of laser processing is still far from the advanced state, and the obstacles and the defects are believed to be solved along with the continuous progress of the laser processing technology. The laser cutting technology is bound to become an important pipe processing means indispensable in the 21 st century. The wide application market of laser cutting processing and the rapid development of modern science and technology enable domestic and foreign science and technology workers to conduct continuous research on laser cutting processing technology, and the laser cutting technology is promoted to develop continuously forward.

The chuck is used as an important accessory of the laser pipe cutting machine and the laser pipe plate all-in-one machine, and can clamp and clamp workpieces according to the shape of a pipe, so that the requirements of parts with different shapes are met. When an existing chuck is used for clamping a pipe, particularly a slender pipe, the phenomenon of pipe throwing is frequently caused in the process of rotating processing, and the processing precision is poor. In order to solve the problems, the conventional solution needs to use an elongated jaw, such as an L-shaped jaw, to clamp the pipe, and this structure may cause the phenomenon of the attenuation of the clamping force at the distal end of the jaw, resulting in the loose clamping of the part, and in addition, causing the overlong machining tailing, wasting resources, and increasing the production cost of the pipe machining manufacturer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chuck clamping device and chuck to prior art's weak point, avoided on the market conventional chuck because "get rid of the pipe" phenomenon and the poor problem of machining precision that leads to, effectively solved the long problem of tubular product processing tails simultaneously.

Realize the utility model discloses purpose technical scheme is:

a chuck clamping device comprises a chuck body and a plurality of sliding blocks which are symmetrically arranged and slide along the radial direction of the chuck body; the pipe fitting clamping device is characterized in that a clamping jaw assembly is fixedly mounted on the sliding block, a roller assembly is arranged on one side, close to the center of the chuck body, of the sliding block, the roller assembly is arranged right behind the clamping jaw assembly, the sliding blocks which are symmetrically arranged move in a combined mode, and the clamping jaw assembly and the roller assembly can clamp a pipe simultaneously.

Furthermore, a first groove is formed in one side, close to the center of the chuck body, of the sliding block; the roller assembly comprises a roller frame adjustably mounted in the first groove and a roller rotatably mounted on one side of the roller frame and suitable for clamping a pipe.

Furthermore, at least one countersunk oval hole is formed in the roller frame, and the roller frame is adjustably mounted on the sliding block through bolts and the countersunk oval hole.

Furthermore, the sliding block is provided with a positioning groove suitable for installing the jaw assembly.

A chuck comprises a chuck clamping device, a base and a rotating body which is arranged in the base and rotates around the base; the chuck clamping device is fixedly arranged at the front end of the rotating body, the air sealing disc device is arranged at the rear end of the rotating body, and the driving device suitable for driving the sliding blocks to move away from and close to each other is arranged in the rotating body.

Further, the base inner ring is provided with a bearing, the rotating body is installed in the base through the bearing and comprises a driven gear ring and an inner sleeve which are fixedly installed at the rear end of the bearing and the rear end of the inner ring of the chuck body respectively, and a flange plate is fixedly arranged at the rear end of the driven gear ring.

Further, the driven gear ring outer cover is provided with a shell sleeved on the air sealing disc device, and a speed reducer matched with the driven gear ring is fixedly arranged on the shell.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

(1) the utility model discloses set up wheel components on chuck clamping device's the sliding block, when the sliding block is the motion that cooperatees, tubular product can be cliied simultaneously to jack catch subassembly and wheel components, when not changing chuck axial dimensions, the tubular product centre gripping point of increase has avoided on the market conventional chuck because "get rid of the pipe" phenomenon and the poor problem of machining precision that leads to, has effectively solved the long problem of tubular product processing tails simultaneously.

(2) The utility model discloses chuck clamping device's sliding block is equipped with first recess, provides accommodation space for wheel components, ensures not to increase the whole axial dimensions of chuck.

(3) The utility model discloses be equipped with at least one countersunk head waist type hole on chuck clamping device's the gyro wheel frame, be convenient for install the gyro wheel frame on the sliding block, through setting for countersunk head waist type hole, be convenient for finely tune the position of gyro wheel frame, the construction bolt rear surface is level and smooth simultaneously.

(4) The utility model discloses be equipped with the constant head tank on chuck clamping device's the sliding block, be convenient for install the jack catch subassembly.

(5) The chuck of the utility model comprises a chuck clamping device, the axial size of the chuck is unchanged, a group of clamping points are added, the problem of poor precision caused by the pipe throwing phenomenon is effectively solved while the length of the tailings is not increased, and the overall chuck design meets the market demand; and an air sealing disc device is arranged to transmit an external air source to the driving device to provide power.

(6) The utility model discloses the chuck pre-installation has the speed reducer, can directly link to each other with laser cutting machine, and it is more convenient to use, avoids the inside device of chuck to expose simultaneously, plays fine dustproof effect.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a schematic structural view of the chuck clamping device of the present invention (the chuck jaw assembly is not shown in the drawing);

FIG. 2 is a schematic view of the installation of the roller assembly and the sliding block of the present invention;

FIG. 3 is a schematic structural view of the chuck of the present invention;

fig. 4 is a schematic view of the internal structure of the chuck of the present invention.

The reference numbers in the drawings are:

the sealing device comprises a base 1, a bearing 2, an air sealing disc device 3, a chuck body 4, a sliding block 5, a first groove 5-1, a positioning groove 5-2, a jaw assembly 6, a roller assembly 7, a roller frame 7-1, a roller 7-2, a countersunk oval hole 7-3, a driven gear ring 8, an inner sleeve 9, a flange plate 10, a shell 11, a speed reducer 12 and a driving device 13.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

(example 1)

Referring to fig. 1 to 4, the chuck of the present embodiment includes a base 1 and a rotating body disposed in the base 1 and rotating around itself. The inner ring of the base 1 is provided with a bearing 2, and the rotating body is installed in the base 1 through the bearing 2. The front end of the rotating body is fixedly provided with a chuck clamping device, and the rear end is provided with an air sealing disc device 3.

The chuck clamping device comprises a chuck body 4 and two groups of sliding blocks 5 which are symmetrically arranged and slide along the radial direction of the chuck body 4. Fixed mounting has jack catch subassembly 6 on the sliding

block

5, and 6 rear end faces of jack catch subassembly on one of them group of sliding block 5 will be higher than the preceding terminal surface of jack catch subassembly 6 on another group of sliding block 5, ensure that two sets of jack catch subassemblies 6 that the symmetry set up can realize closing to centre gripping tubular product.

One side of the sliding block 5, which is close to the center of the chuck body 4, is provided with a first groove 5-1, one side of the first groove 5-1, which is close to the center of the chuck body 4, is provided with a roller assembly 7, and through the arrangement of the first groove 5-1, a containing space is provided for the roller assembly 7 to ensure that the whole axial size of the chuck is not increased. The roller assembly 7 comprises a roller frame 7-1 arranged in the first groove 5-1 and a roller 7-2 rotatably arranged on one side of the roller frame 7-1. Two countersunk head waist-shaped holes 7-3 are arranged on the roller carrier 7-1, the roller carrier 7-1 is adjustably arranged on the first groove 5-1 of the sliding block 5 through bolts and the countersunk head waist-shaped holes 7-3, and the surface is flat after the bolts are arranged. And a positioning groove 5-2 is also formed in the front surface of the sliding block 5, so that the jaw assembly 6 can be conveniently installed and positioned.

The rotating body comprises a driven gear ring 8 and an inner sleeve 9 which are fixedly arranged at the rear end of the bearing 2 and the rear end of the inner ring of the chuck body 4 respectively, and a flange plate 10 is fixedly arranged at the rear end of the driven gear ring 8. The outer cover of the driven gear ring 8 is provided with a shell 11 which is sleeved on the air sealing disc device 3, the shell 11 is fixedly provided with a speed reducer 12 which is matched with the driven gear ring 8, the speed reducer can be directly connected with a laser cutting machine, the use is more convenient, meanwhile, the exposure of a chuck internal device is avoided, and a good dustproof effect is achieved.

The rotating body is internally provided with a driving device 13, the driving device 13 comprises a transmission device and a cylinder, the transmission device is fixedly arranged between the chuck body 4 and the flange plate 10, one end of the transmission device is connected with the sliding block 5, and the other end of the transmission device is connected with a piston of the cylinder. The air cylinder is connected with the air sealing disc device 3 through an air pipe so as to be communicated with an external air source. The cylinder drives the sliding blocks 5 to move away from and together through the driving transmission device. When the sliding block 5 is doing the concerted motion, the pipe is held to jack catch subassembly 6 and wheel components 7 simultaneously.

This embodiment chuck is equipped with chuck clamping device, sets up wheel components 6 on chuck clamping device's the sliding block 5, and when sliding block 5 was the motion that closes mutually, tubular product can be cliied simultaneously to jack catch components 6 and wheel components 7, when not changing chuck axial dimension, the tubular product centre gripping point of increase has avoided on the market conventional chuck because "get rid of the pipe" phenomenon and the poor problem of machining precision that leads to, has effectively solved the long problem of tubular product processing tails simultaneously.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A kind of chuck clamping device, characterized by: comprises a chuck body (4) and a plurality of sliding blocks (5) which are symmetrically arranged and slide along the radial direction of the chuck body (4); fixed mounting has jaw assembly (6) on sliding block (5), one side that is close to chuck body (4) center on sliding block (5) is equipped with wheel components (7), wheel components (7) are located the dead astern of jaw assembly (6), sliding block (5) that the symmetry set up are when doing the motion that combines, jaw assembly (6) with wheel components (7) can hold tubular product simultaneously.

2. A chuck holding device according to claim 1, wherein: a first groove (5-1) is formed in one side, close to the center of the chuck body (4), of the sliding block (5); the roller assembly (7) comprises a roller frame (7-1) adjustably mounted in the first groove (5-1) and a roller (7-2) rotatably mounted on one side of the roller frame (7-1) and suitable for clamping a pipe.

3. A chuck holding device according to claim 2, wherein: the roller frame (7-1) is provided with at least one countersunk head kidney-shaped hole (7-3), and the roller frame (7-1) is adjustably installed on the sliding block (5) through a bolt and the countersunk head kidney-shaped hole (7-3).

4. A chuck holding device according to claim 1, wherein: and the sliding block (5) is provided with a positioning groove (5-2) suitable for mounting the jaw component (6).

5. A chuck, characterized by: the chuck holding device as claimed in any one of claims 1 to 4, further comprising a base (1) and a rotating body disposed in the base (1) and rotating around itself; the chuck clamping device is fixedly arranged at the front end of the rotating body, the air sealing disc device (3) is arranged at the rear end of the rotating body, and the driving device (13) suitable for driving the sliding blocks (5) to move away from and together is arranged in the rotating body.

6. A chuck as in claim 5, wherein: the inner ring of the base (1) is provided with a bearing (2), the rotating body is installed in the base (1) through the bearing (2), the rotating body comprises a driven gear ring (8) and an inner sleeve (9) which are respectively and fixedly installed at the rear end of the bearing (2) and the rear end of the inner ring of the chuck body (4), and a flange plate (10) is fixedly arranged at the rear end of the driven gear ring (8).

7. A chuck as in claim 6, wherein: the outer cover of the driven gear ring (8) is provided with a shell (11) sleeved on the air sealing disc device (3), and the shell (11) is fixedly provided with a speed reducer (12) matched with the driven gear ring (8).