CN216370702U

CN216370702U - Chuck and laser cutting equipment

Info

Publication number: CN216370702U
Application number: CN202122749387.9U
Authority: CN
Inventors: 刘传军; 吴礼杰; 周红莲; 张克稳
Original assignee: Wuhan Wanliwei Cnc Technology Co ltd
Current assignee: Wuhan Wanliwei Cnc Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-26
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a chuck and laser cutting equipment. It has solved current chuck and is pressing from both sides the fastening timing to the work piece, and every jack catch individual drive appears the problem of skew easily when fixed. When the clamping device is used, the driving disc drives the rotating disc to rotate, the driving rod at the bottom of the guide plate is driven to move towards the center of the rotating disc by the arc-shaped groove which is formed in the rotating disc and is gradually close to the center of the rotating disc along the rotating direction of the rotating disc, the driving rod is always inserted in the first guide groove and the second guide groove, the driving rod can only move along the length direction of the first driving rod and the length direction of the second driving rod, the clamping jaws fixed on the guide plate can only move in a fixed angle and a fixed direction by the guide plate clamped in the sliding grooves, and the plurality of clamping jaws are always synchronously moved under the driving of the rotating plate, so that the center of a workpiece is always located at the center of the upper disc, and the clamping device is simple and convenient to use.

Description

Chuck and laser cutting equipment

Technical Field

The utility model belongs to the technical field of laser processing equipment, and particularly relates to a chuck and laser cutting equipment.

Background

In the machining process, a chuck is needed to clamp and position the labor price, and the conventional chuck is generally a four-jaw independent chuck and consists of a chuck body, four screw rods and four clamping jaws. During operation, four clamping jaws are driven by the four lead screws respectively, each clamping jaw moves independently, automatic centering cannot be conducted, the position of a workpiece is prone to shifting, and a long time is consumed for workpiece correction. The use is inconvenient, and the prior art has the improvement.

Disclosure of Invention

The utility model provides a chuck and laser cutting equipment, aiming at the defects that when the existing chuck clamps and fastens a workpiece, each clamping jaw is driven independently, and deviation is easy to occur during fixing.

The utility model aims to be realized by the following technical scheme: a chuck comprises an upper disc, a rotating disc and a lower disc which are sequentially arranged from top to bottom, wherein a plurality of clamping jaws capable of moving towards the center direction of the upper disc or moving away from the center direction of the upper disc are movably arranged on the upper disc, a plurality of first guide grooves extending towards the center direction of the lower disc and penetrating through the lower disc are formed in the lower disc, the plurality of first guide grooves are uniformly distributed around the center of the lower disc, a plurality of second guide grooves extending towards the center direction of the upper disc and penetrating through the upper disc are formed in the upper disc, the plurality of second guide grooves are uniformly distributed around the center of the upper disc, the first guide grooves and the second guide grooves are positioned in the same vertical direction, a sliding groove extending along the length direction of the second guide grooves and communicated with the outside is formed in the upper disc, the sliding groove is positioned right above the second guide groove, and a guide plate capable of reciprocating along the length direction of the sliding groove is movably arranged in the sliding groove, the clamping jaws are fixedly arranged at one end, facing the center of the upper disc, of the guide plate, a driving rod is fixedly arranged at the bottom of the guide plate and inserted into the first guide groove and the second guide groove, a plurality of arc-shaped grooves used for driving the driving rod to move along the length direction of the first guide groove and the second guide groove are formed in the rotating disc, the driving rod is inserted into the arc-shaped grooves, the length of each arc-shaped groove is larger than that of the first guide groove and that of the second guide groove, and the first guide groove, the second guide groove, the sliding groove, the guide plate, the clamping jaws, the driving rod and the arc-shaped grooves are in one-to-one correspondence respectively.

Preferably, the periphery of the rotating disc is movably provided with a driving disc which is always engaged with the rotating disc and drives the rotating disc to rotate.

Preferably, the first guide groove, the second guide groove, the sliding groove, the guide plate, the clamping jaw, the driving rod and the arc-shaped groove are respectively provided with four.

Preferably, the center of the upper disc is movably provided with a rotating shaft which penetrates through the upper disc, the lower disc and the rotating disc.

A laser cutting apparatus comprising: the laser instrument that the board, foretell chuck and cut the work piece, the chuck is fixed to be set up on the board, the laser instrument is installed on the board and is close to above-mentioned chuck.

Compared with the prior art, the rotary disc is driven to rotate by the driving disc when the clamping device is used, the driving rod at the bottom of the guide plate is driven to move towards the center of the rotary disc by the arc-shaped groove which is formed in the rotary disc and is gradually close to the center of the rotary disc along the rotation direction of the rotary disc, the driving rod is always inserted into the first guide groove and the second guide groove, the driving rod can only move along the length direction of the first driving rod and the length direction of the second driving rod, the clamping jaws fixed on the guide plate can only move at a fixed angle and in a fixed direction by the guide plate clamped in the sliding grooves, and the plurality of clamping jaws are always synchronously moved under the driving of the rotary plate, so that the center of a workpiece is always located at the center of the upper disc, and the clamping device is simple and convenient to use.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a cut-away view of the present invention;

fig. 3 is an overall structural view of the rotating disk.

The labels in the figure are: 1. hanging the plate; 2. a bottom wall; 3. rotating the disc; 4. a first guide groove; 5. a second guide groove; 6. a chute; 7. a guide plate; 8. a claw; 9. a drive rod; 10. an arc-shaped slot; 11. a drive disc; 12. a rotating shaft.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings to which: as shown in fig. 1-3, a chuck comprises an upper disc 1, a rotating disc 3 and a lower disc 2, which are sequentially arranged from top to bottom, wherein a plurality of claws 8 capable of moving toward the center of the upper disc 1 or moving away from the center of the upper disc 1 are movably arranged on the upper disc 1, a plurality of first guide grooves 4 extending toward the center of the lower disc 2 and penetrating through the lower disc 2 are formed on the lower disc 2, the plurality of first guide grooves 4 are uniformly distributed around the center of the lower disc 2, a plurality of second guide grooves 5 extending toward the center of the upper disc 1 and penetrating through the upper disc 1 are formed on the upper disc 1, the plurality of second guide grooves 5 are uniformly distributed around the center of the upper disc 1, the first guide grooves 4 and the second guide grooves 5 are positioned in the same vertical direction, a sliding groove 6 extending along the length direction of the second guide grooves 5 and communicating with the outside of the upper disc 1 is formed on the upper disc 1, the sliding chute 6 is positioned right above the second guide groove 5, a guide plate 7 capable of reciprocating along the length direction of the sliding chute 6 is movably arranged in the sliding chute 6, the claw 8 is fixedly arranged at one end of the guide plate 7 facing to the center of the upper disc 1, the bottom of the guide plate 7 is fixedly provided with a driving rod 9, the driving rod 9 is inserted into the first guide slot 4 and the second guide slot 5, the rotating disc 3 is provided with a plurality of arc-shaped slots 10 for driving the driving rod 9 to move along the length direction of the first guide slot 4 and the second guide slot 5, the driving rod 9 is inserted into the arc-shaped slots 10, the length of the arc-shaped groove 10 is greater than the lengths of the first guide groove 4 and the second guide groove 5, the first guide groove 4, the second guide groove 5, the sliding groove 6, the guide plate 7, the clamping jaws 8, the driving rods 9 and the arc-shaped grooves 10 are in one-to-one correspondence respectively. And a driving disk 11 which is always engaged with the rotating disk 3 and drives the rotating disk 3 to rotate is movably arranged on the periphery of the rotating disk 3. The first guide groove 4, the second guide groove 5, the sliding groove 6, the guide plate 7, the clamping jaw 8, the driving rod 9 and the arc-shaped groove 10 are respectively provided with four.

When the clamping device is used, the rotating disc 3 is driven to rotate by the driving disc 11, the driving rod 9 at the bottom of the guide plate 7 is driven to move towards the center of the rotating disc 3 by the arc-shaped groove 10 which is arranged on the rotating disc 3 and is gradually close to the center of the rotating disc 3 along the rotating direction of the rotating disc 3, the driving rod 9 is inserted into the first guide groove 4 and the second guide groove 5 all the time, the driving rod 9 can only move along the length direction of the first driving rod 9 and the length direction of the second driving rod 9, the clamping jaws 8 fixed on the guide plate 7 can only move in a fixed angle and a fixed direction through the guide plate 7 clamped in the sliding groove 6, the clamping jaws 8 can always synchronously move under the driving of the rotating plate, the center of a workpiece is always located at the center of the upper disc 1, the clamping device is simple and convenient to use

The center of the upper disc 1 is movably provided with a rotating shaft 12 which penetrates through the upper disc 1, the lower disc 2 and the rotating disc 3. The rotating center of the rotating disk 3 in the rotating process of the rotating disk 3 is always coincided with the rotating centers of the upper disk 1 and the lower disk 2.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A chuck is characterized by comprising an upper disk (1), a rotating disk (3) and a lower disk (2) which are sequentially arranged from top to bottom, wherein the upper disk (1) is movably provided with a plurality of clamping jaws (8) which can move towards the center direction of the upper disk (1) or move away from the center direction of the upper disk (1), the lower disk (2) is provided with a plurality of first guide grooves (4) which extend towards the center direction of the lower disk (2) and penetrate through the lower disk (2), the plurality of first guide grooves (4) are uniformly distributed around the center of the lower disk (2), the upper disk (1) is provided with a plurality of second guide grooves (5) which extend towards the center direction of the upper disk (1) and penetrate through the upper disk (1), the plurality of second guide grooves (5) are uniformly distributed around the center of the upper disk (1), and the first guide grooves (4) and the second guide grooves (5) are positioned in the same vertical direction, the upper disc (1) is provided with a sliding groove (6) which extends along the length direction of a second guide groove (5) and is communicated with the outer part of the upper disc (1), the sliding groove (6) is positioned right above the second guide groove (5), the sliding groove (6) is internally and movably provided with a guide plate (7) which can reciprocate along the length direction of the sliding groove (6), the clamping jaws (8) are fixedly arranged at one end of the guide plate (7) facing the center of the upper disc (1), the bottom of the guide plate (7) is fixedly provided with a driving rod (9), the driving rod (9) is inserted in the first guide groove (4) and the second guide groove (5), the rotating disc (3) is provided with a plurality of arc-shaped grooves (10) which are used for driving the driving rod (9) to move along the length directions of the first guide groove (4) and the second guide groove (5), and the driving rod (9) is inserted in the arc-shaped grooves (10), the length of arc wall (10) is greater than the length of first guide way (4) and second guide way (5), first guide way (4), second guide way (5), spout (6), deflector (7), jack catch (8), actuating lever (9) and arc wall (10) are respectively the one-to-one.

2. A chuck according to claim 1, wherein the rotating disk (3) is provided with a driving disk (11) which is always engaged with the rotating disk (3) and drives the rotating disk (3) to rotate, and the periphery of the rotating disk (3) is movably provided with the driving disk.

3. The chuck according to claim 1, wherein the first guide groove (4), the second guide groove (5), the sliding groove (6), the guide plate (7), the jaw (8), the driving rod (9) and the arc-shaped groove (10) are respectively provided with four.

4. A chuck according to claim 3, characterized in that the upper plate (1) is provided with a central rotating shaft (12) which penetrates through the upper plate (1), the lower plate (2) and the rotating plate (3).

5. A laser cutting apparatus, comprising: the machine table, the chuck as claimed in any one of claims 1 to 4 and a laser for cutting the workpiece, wherein the chuck is fixedly arranged on the machine table, and the laser is arranged on the machine table and close to the chuck.