CN216264133U - Special-shaped clamping jaw and oval pipe clamping device - Google Patents

Abstract

The utility model discloses a special-shaped clamping jaw and an oval pipe clamping device, wherein the special-shaped clamping jaw comprises a first fixed seat and a first roller mechanism rotatably arranged at one end of the first fixed seat, and a V-shaped wheel which is sunken towards the axial direction of the first roller mechanism is arranged in the middle of the first roller mechanism. The special-shaped clamping jaw provided by the utility model can be matched with the small arc end of the oval pipe by arranging the first roller mechanism with the V-shaped wheel, so that the pipe is prevented from being crushed, meanwhile, the clamping points of the clamping jaw are increased from one to two in the prior art, the clamping stability is improved, the structure is simple, and the cost is low.

Description

Special-shaped clamping jaw and oval pipe clamping device

Technical Field

The utility model relates to the technical field of chucks, in particular to a special-shaped clamping jaw and an oval pipe clamping device.

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.

The chuck is used as an important accessory of laser cutting equipment and is used for clamping and conveying pipes and profiles made of various materials, so that the pipes and the profiles are machined. The sliding blocks arranged at the front end of the chuck are driven by the driving mechanism to move away from or together with each other, so that the clamping function of the clamping jaws fixedly arranged on the sliding blocks is realized, and the clamping parts of the clamping jaws are identical in structure. To conventional circular or square tubular product, the jack catch that dislocation and symmetry set up around adopting carries out the centre gripping, has fine clamp force, can not harm tubular product simultaneously, but to mechanical tubes, like oval-shaped pipe, the jack catch that adopts this kind of traditional design can lead to tubular product surface damage or even warp to when the chuck is high-speed rotatory, because the jack catch leads to tubular product centre gripping unstability with tubular product area of contact is little.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special-shaped clamping jaw and an oval pipe clamping device aiming at the defects in the prior art, so that the contact point between the clamping jaw and the oval pipe can be increased, the clamping is more stable, and the pipe cannot be damaged while the clamping force is ensured.

The technical scheme for realizing the aim of the utility model is as follows:

the utility model provides a dysmorphism jack catch, includes first fixing base and rotates the first gyro wheel mechanism of installing in first fixing base one end, the middle part of first gyro wheel mechanism is equipped with the V type wheel sunken to the axis direction of first gyro wheel mechanism.

Further, the middle part of the V-shaped wheel is provided with an annular groove.

Further, the one end bilateral symmetry of first fixing base is equipped with the installation department, two form the installation space that is suitable for holding first gyro wheel mechanism between the installation department, one side that first fixing base is close to first gyro wheel mechanism be equipped with installation space integrative and with the square groove of V type wheel looks adaptation.

Further, the inboard fixed mounting of installation department has the bearing, the both ends of first gyro wheel mechanism respectively with the outer lane fixed connection of bearing.

The utility model provides an oval pipe clamping device, includes the chuck body, the circumference evenly distributed of chuck body has four to follow the radial gliding sliding blocks of chuck, two sets of symmetries set up two the sliding block forms first slip subassembly and second slip subassembly respectively, fixed mounting has first jack catch respectively on two sliding blocks of first slip subassembly, fixed mounting has as above respectively on two sliding blocks of second slip subassembly special-shaped jack catch.

Further, first jack catch includes the second fixing base and rotates the second gyro wheel mechanism of installing on the second fixing base, second gyro wheel mechanism is cylindrical.

Further, first fixing base is including perpendicular setting and integrated into one piece's grip block and connecting block, the space is dodged in the rear end face of grip block and the formation between the one side that the connecting block is close to the chuck axle center, be equipped with the clearance between the rear end face of V type wheel and the preceding terminal surface of second gyro wheel mechanism.

Further, all be equipped with the wheel components that are located under first jack catch or the dysmorphism jack catch on the sliding block, wheel components is including adjustably installing the installation piece that is close to chuck center one side on the sliding block, rotate on the installation piece and install the third gyro wheel that extends to the installation piece outside.

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

(1) the special-shaped clamping jaw provided by the utility model can be matched with the small arc end of the oval pipe by arranging the first roller mechanism with the V-shaped wheel, so that the pipe is prevented from being crushed, meanwhile, the clamping points of the clamping jaw are increased from one to two in the prior art, the clamping stability is improved, the structure is simple, and the cost is low.

(2) The middle part of the V-shaped wheel is provided with the annular groove, so that a processing avoiding groove is formed, the processing difficulty is reduced, and more clamping avoiding spaces are provided for the oval pipe.

(3) The first fixing seat is provided with the square groove, so that an installation space is provided for the V-shaped wheel, and the increase of the overall dimension of the special-shaped clamping jaw is avoided.

(4) According to the utility model, the bearing is fixedly arranged on the inner side of the mounting part of the first fixed seat, and the bearing is utilized to realize the rotating connection of the first roller mechanism and the fixed seat, so that the structure design is simple, the rotation is smoother, and the transmission of the pipe to be processed is more facilitated.

(5) Compared with the traditional clamping device, the clamping device for the oval pipe adopts the four first clamping claws to clamp the oval pipe, increases clamping points, improves clamping stability and avoids clamping the pipe.

(6) According to the clamping device, an avoiding space is formed between the rear end face of the clamping block of the first fixing seat and one side, close to the axis of the chuck, of the connecting block, and a gap is formed between the rear end face of the V-shaped wheel and the front end face of the second roller mechanism, so that the two first clamping jaws and the two special-shaped clamping jaws can be completely closed, and small pipes can be clamped conveniently.

(7) The sliding block is also provided with the roller assembly positioned right below the clamping jaw, so that the axial size of the chuck is not increased, and the axial clamping point of the pipe is increased, thereby reducing the rotational inertia of the pipe and avoiding the phenomenon of pipe throwing when the chuck rotates at a high speed.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

The reference numbers in the drawings are:

the clamping chuck comprises a chuck body 1, a sliding block 2, a first clamping jaw 3, a second fixed seat 3-1, a second roller mechanism 3-2, a special-shaped clamping jaw 4, a first roller mechanism 4-1, a V-shaped wheel 4-1-1, an annular groove 4-1-2, a clamping block 4-2, a square groove 4-2-2, an installation part 4-2-1, a connecting block 4-3, a roller component 5, an installation block 5-1 and a third roller 5-2.

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)

The oval pipe clamping device shown in fig. 1 to 3 comprises a chuck body 1 and four sliding blocks 2, wherein the sliding blocks 2 are uniformly distributed along the circumferential direction of the chuck body 1 and are installed in a sliding manner along the radial direction of the chuck. Two sliding blocks 2 that the longitudinal symmetry set up form first sliding assembly, and two sliding blocks 2 that the lateral symmetry set up form second sliding assembly, and fixed mounting has first jack catch 3 respectively on two sliding blocks 2 of first sliding assembly, and fixed mounting has special-shaped jack catch 4 respectively on two sliding blocks 2 of second sliding assembly. The large arc end of the oval pipe is clamped by the two first clamping claws 3, and the small arc end of the oval pipe is clamped by the two special-shaped clamping claws 4, so that the oval pipe is fixed, compared with the traditional clamping device, the oval pipe is clamped by the four first clamping claws, the clamping points are increased, and the clamping stability is improved while the clamping damage to the pipe is avoided.

Specifically, the first clamping jaw 3 comprises a second fixed seat 3-1 and a second roller mechanism 3-2 rotatably mounted on the second fixed seat 3-1, and the second roller mechanism 3-2 is cylindrical. The special-shaped claw 4 comprises a first fixed seat and a first roller mechanism 4-1. The first fixing seat comprises a clamping block 4-2 and a connecting block 4-3 which are vertically arranged and integrally formed, and an avoidance space is formed between the rear end face of the clamping block 4-2 and one side of the connecting block 4-3 close to the axis of the chuck. The two sides of the other end of the clamping block 4-2 are symmetrically provided with mounting parts 4-2-1, and a mounting space suitable for accommodating the first roller mechanism 4-1 is formed between the two mounting parts 4-2-1. The bearing is fixedly arranged on the inner side of the mounting part 4-2-1, and two ends of the first roller mechanism 4-1 are fixedly connected with the outer ring of the bearing respectively, so that the first roller mechanism 4-1 is rotatably connected with the second fixing seat 3-1, the structural design is simple, the rotation is smoother, and the transmission of pipes to be processed is facilitated.

The middle part of the first roller mechanism 4-1 is provided with a V-shaped wheel 4-1-1 which is sunken towards the axial direction of the first roller mechanism 4-1, one side of the clamping block 4-2, which is close to the first roller mechanism 4-1, is provided with a square groove 4-2-2, and the square groove 4-2-2 is matched with the V-shaped wheel 4-1-1, so that a mounting space is provided for the V-shaped wheel 4-1-1, and the increase of the overall dimension of the special-shaped clamping jaw 4 is avoided. The middle part of the V-shaped wheel 4-1-1 is provided with an annular groove 4-1-2 to form a processing avoiding groove, so that the processing difficulty is reduced, and more clamping avoiding spaces are provided for the oval pipe.

A gap is formed between the rear end face of the V-shaped wheel 4-1-1 and the front end face of the second roller mechanism 3-2, so that the two first clamping jaws 3 and the two special-shaped clamping jaws 4 can be completely closed, and small pipes can be clamped conveniently.

Four sliding blocks 2 of this embodiment are all provided with roller assemblies 5 that are located directly under first jack catch 3 and special-shaped jack catch 4 respectively. The roller assembly 5 comprises a mounting block 5-1 adjustably mounted on the sliding block 2 and close to one side of the center of the chuck, and a third roller 5-2 extending to the outside of the mounting block 5-1 is rotatably mounted on the mounting block 5-1. The axial clamping point of the pipe is increased while the axial size of the chuck is not increased, so that the rotational inertia of the pipe is reduced, and the phenomenon of pipe throwing when the chuck rotates at high speed is avoided

According to the oval pipe clamping device, on the basis of the prior art, one group of clamping jaws is replaced by the special-shaped clamping jaws 3, the first roller mechanism 4-1 with the V-shaped wheel 4-1-1 is arranged, the special-shaped clamping jaws can be matched with the small arc end of the oval pipe, the pipe is prevented from being crushed, meanwhile, the number of clamping points of the clamping jaws is increased, the number of the clamping points is increased from one clamping point to two, the clamping stability is improved, the structure is simple, and the cost is low.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a dysmorphism jack catch which characterized in that: the roller mechanism comprises a first fixed seat and a first roller mechanism (4-1) rotatably installed at one end of the first fixed seat, wherein a V-shaped wheel (4-1-1) which is sunken towards the axis direction of the first roller mechanism (4-1) is arranged in the middle of the first roller mechanism (4-1).

2. The contoured jaw of claim 1, wherein: the middle part of the V-shaped wheel (4-1-1) is provided with an annular groove (4-1-2).

3. The contoured jaw of claim 1, wherein: the two sides of one end of the first fixing seat are symmetrically provided with mounting parts (4-2-1), a mounting space suitable for accommodating the first roller mechanism (4-1) is formed between the two mounting parts (4-2-1), and one side, close to the first roller mechanism (4-1), of the first fixing seat is provided with a square groove (4-2-2) which is integrated with the mounting space and matched with the V-shaped wheel (4-1-1).

4. The contoured jaw of claim 3, wherein: the inner side of the mounting part (4-2-1) is fixedly provided with a bearing, and two ends of the first roller mechanism (4-1) are fixedly connected with the outer ring of the bearing respectively.

5. An oval pipe clamping device which characterized in that: including chuck body (1), the circumference evenly distributed of chuck body (1) has four to follow the radial gliding sliding block (2) of chuck, two of two sets of symmetry settings sliding block (2) form first slip subassembly and second slip subassembly respectively, fixed mounting has first jack catch (3) respectively on two sliding blocks (2) of first slip subassembly, fixed mounting has the special-shaped jack catch (4) as in any one of claims 1 to 4 respectively on two sliding blocks (2) of second slip subassembly.

6. The oval tubing clamp of claim 5, wherein: the first clamping jaw (3) comprises a second fixed seat (3-1) and a second roller mechanism (3-2) rotatably mounted on the second fixed seat (3-1), and the second roller mechanism (3-2) is cylindrical.

7. The oval tubing clamp of claim 6, wherein: the first fixing seat comprises a clamping block (4-2) and a connecting block (4-3) which are vertically arranged and integrally formed, an avoiding space is formed between the rear end face of the clamping block (4-2) and one side, close to the axis of the chuck, of the connecting block (4-3), and a gap is formed between the rear end face of the V-shaped wheel (4-1-1) and the front end face of the second roller mechanism (3-2).

8. The oval tubing clamp of claim 5, wherein: all be equipped with roller assembly (5) that are located under first jack catch (3) or special-shaped jack catch (4) on sliding block (2), roller assembly (5) are including installing installation piece (5-1) on sliding block (2) adjustably and close to chuck center one side, it installs third gyro wheel (5-2) that extend to installation piece (5-1) outside to rotate on installation piece (5-1).

Images