CN113618316A

CN113618316A - Chuck device

Info

Publication number: CN113618316A
Application number: CN202111005532.0A
Authority: CN
Inventors: 蒋修青; 蒋泽锋; 朱小杰
Original assignee: Gangchun Laser Technology Jiangsu Co ltd
Current assignee: Gangchun Laser Technology Jiangsu Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-11-09

Abstract

The invention discloses a chuck device, which comprises a front chuck body matched with a tail chuck for use, wherein the front chuck body consists of a chuck and clamping components distributed on the chuck, a middle through hole for moving a workpiece is formed in the chuck, the clamping components are uniformly distributed around the middle through hole and are arranged in pairs in an opposite mode, each clamping component consists of a guide rail part, a clamping seat, a dust cover and a clamping part, and a hydraulic air pump for providing power for the clamping components is arranged on the back of the chuck. The clamping pieces which are arranged in a centering manner in pairs are adopted, so that when the clamping is carried out, the clamping pieces on the periphery can simultaneously clamp the workpiece, the position deviation of the workpiece is avoided, the machining quality is ensured, in addition, in the machining process, the workpiece can be driven to move through the tail chuck to realize the adjustment of the position of the workpiece, and in the adjustment process, the chuck can constantly ensure the clamping effect on the workpiece.

Description

Chuck device

Technical Field

The invention relates to the technical field of chucks, in particular to a chuck device.

Background

Chucks are mechanical devices used to clamp workpieces on machine tools. The machine tool accessory is characterized in that a workpiece is clamped and positioned by radial movement of movable clamping jaws uniformly distributed on a chuck body, when a circular tube is subjected to three-dimensional processing such as cutting and punching, a front chuck is required to be started to clamp and fix the tube, then the tube is subjected to automatic cutting and blanking through laser, the tube is required to be clamped and positioned, the clamping jaws are respectively driven by four lead screws on the existing chuck, deviation is easily caused, the clamping precision is poor, and therefore the correction cost is increased; still through pneumatic control's existence dustproof problem, cause operational environment poor, the cutting is accomplished the back, traditionally all is the waste disposal to the tails, and the operation is inconvenient when current chuck carries out the tails and handles, for this reason now provides a chuck device.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a chuck device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a chuck device, includes the preceding chuck main part that uses with the cooperation of tail chuck, preceding chuck main part comprises chuck and the centre gripping subassembly that distributes on the chuck, set up the middle part opening that supplies the work piece to carry out the removal on the chuck, centre gripping subassembly evenly distributed is around the middle part opening, and two liang of relative settings, the centre gripping subassembly comprises guide rail spare, grip slipper, dust cover and holder, the chuck back is provided with the hydraulic pressure air pump that provides power for the centre gripping subassembly.

Preferably, the guide rail part comprises a guide rail seat fixedly connected to a chuck positioned around the middle through hole, and guide rails for guiding the clamping seat to move are arranged on two sides of the guide rail seat; and the sliding table cylinder is arranged on the chuck at the guide rail seat, and the output end of the sliding table cylinder is connected with a sliding table fixedly connected with the clamping seat.

Preferably, the sliding chutes matched with the guide rails are formed in two sides of the clamping seat, and the dust covers are arranged at two ends of the clamping seat.

Preferably, two extrusion columns are arranged at the end parts of the clamping pieces, and extrusion barrels directly contacting with the workpiece are sleeved on the extrusion columns.

Preferably, two clamping pieces which are oppositely arranged are directly and fixedly connected with the clamping seat, and the other two clamping pieces are connected with the clamping seat through the dislocation blocks.

Preferably, the chuck bottom is provided with the supporting seat, be provided with the bolt hole that is used for the installation on the supporting seat.

Compared with the prior art, the invention has the beneficial effects that:

1. this device is through setting up the guide rail spare at chuck and grip slipper intermediate position to all set up with the dust cover at the both ends of grip slipper, it can realize showing improve equipment's life to the dustproof effect of guide rail spare department.

2. This device adopts the holder of two liang of relative centering settings for when the centre gripping, the holder all around can realize the centre gripping to the work piece simultaneously, has avoided the skew of work piece position, guarantees processingquality, and in the course of working, can drive the work piece through the tail chuck and remove the adjustment that realizes the work piece position, the chuck can guarantee the centre gripping effect to the work piece constantly in adjustment process.

Drawings

Fig. 1 is a schematic structural diagram of a chuck device according to the present invention;

fig. 2 is a schematic perspective view of a chuck device according to the present invention;

fig. 3 is a schematic front view of a chuck device according to the present invention.

In the figure: 1 chuck, 2 hydraulic air pumps, 3 guide rail spare, 3.1 guide rail seat, 3.2 guide rails, 3.3 slip table cylinders, 3.4 slip tables, 4 grip slipper, 5 dust covers, 6 holder, 7 recipient, 8 dislocation pieces, 9 supporting seats.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a chuck device comprises a front chuck main body matched with a tail chuck for use, wherein the front chuck main body consists of a chuck 1 and clamping assemblies distributed on the chuck 1, a middle through hole for moving a workpiece is formed in the chuck 1, the clamping assemblies are uniformly distributed around the middle through hole and are arranged in pairs in a relative manner, each clamping assembly consists of a guide rail piece 3, a clamping seat 4, a dust cover 5 and a clamping piece 6, furthermore, the guide rail piece 3 comprises a guide rail seat 3.1 fixedly connected to the chuck 1 around the middle through hole, and guide rails 3.2 for guiding the clamping seat 4 to move are arranged on two sides of the guide rail seat 3.1; be located to be provided with slip table cylinder 3.3 on the chuck 1 of guide rail seat 3.1 department, slip table cylinder 3.3 output is connected with the slip table 3.4 with 4 fixed connection of grip slipper, and when starting, slip table cylinder 3.3 output can drive slip table 3.4 and remove for grip slipper 4 drives holder 6 and removes, realizes the effect of centre gripping.

Furtherly again, grip slipper 4 both sides offer with the spout of guide rail 3.2 looks adaptation, dust cover 5 sets up at the both ends of grip slipper 4, through set up dust cover 5 at the both ends of grip slipper 4, dust cover 5 is scalable folding setting, improvement that can show is effectively dustproof to the dustproof effect of guide rail spare 3 departments, increases equipment life.

Furthermore, two extrusion columns are arranged at the end part of the clamping piece 6, an extrusion barrel 7 which is directly contacted with a workpiece is sleeved on each extrusion column, wherein the extrusion barrel 7 is rotatably connected with the extrusion columns through the sleeving, so that when the workpiece is clamped, the workpiece can be clamped and driven through a tail chuck to move, the clamping effect is kept, meanwhile, the tail chuck clamps a pipe to be cut at different positions through a set program, and after the cutting is finished, the tail chuck clamps the workpiece tail material to be pushed to a front chuck opening, so that the position of the workpiece is adjusted;

two holders 6 that set up relatively are direct and 4 fixed connection of grip slipper, and two other holders 6 are connected with grip slipper 4 through dislocation piece 8, are connected with grip slipper 4 through two holders 6 that will set up relatively through dislocation piece 8, make two holders 6 of relative setting can realize automatic centering, and with be in the dislocation state between the adjacent holder 6, thereby guarantee to be located four holders 6 all around and can realize the effective centre gripping to the work piece simultaneously.

The back of the chuck 1 is provided with a hydraulic air pump 2 for providing power for the clamping assembly, wherein the hydraulic air pump 2 is connected with a sliding table air cylinder 3.3 through an air pipe and an electromagnetic valve, so that the clamping assembly is driven to work together, further, the bottom of the chuck 1 is provided with a supporting seat 9, a bolt hole for installation is arranged on the supporting seat 9, the equipment is convenient to install on a machining device, and the stable connection effect of the equipment is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a chuck device, includes the preceding chuck main part that uses with the cooperation of tail chuck, a serial communication port, preceding chuck main part comprises chuck (1) and the centre gripping subassembly that distributes on chuck (1), set up the middle part opening that supplies the work piece to carry out the removal on chuck (1), centre gripping subassembly evenly distributed is all around the middle part opening, and two liang of relative settings, the centre gripping subassembly includes guide rail spare (3), grip slipper (4), dust cover (5) and holder (6), chuck (1) back is provided with hydraulic air pump (2) that provide power for the centre gripping subassembly.

2. A chuck arrangement according to claim 1, characterized in that the guide member (3) comprises a guide seat (3.1) fixedly connected to the chuck (1) around the central opening, and both sides of the guide seat (3.1) are provided with guide rails (3.2) for guiding the holder (4) to move;

the sliding table cylinder (3.3) is arranged on the chuck (1) and positioned at the guide rail seat (3.1), and the output end of the sliding table cylinder (3.3) is connected with a sliding table (3.4) fixedly connected with the clamping seat (4).

3. A chuck device according to claim 2, wherein sliding grooves matched with the guide rails (3.2) are formed in two sides of the clamping seat (4), and the dust covers (5) are arranged at two ends of the clamping seat (4).

4. A chuck arrangement according to claim 1, wherein the end of the clamp (6) is provided with two squeeze posts on which are mounted squeeze tubes (7) which are in direct contact with the workpiece.

5. A chuck arrangement according to claim 1, wherein two of said opposed clamps (6) are directly fixedly connected to the holder (4), and the other two clamps (6) are connected to the holder (4) via an offset block (8).

6. A chuck arrangement according to claim 1, wherein the chuck (1) is provided with a support base (9) at the bottom thereof, and the support base (9) is provided with a bolt hole for mounting.