CN219254173U

CN219254173U - Four-jaw chuck for metal processing

Info

Publication number: CN219254173U
Application number: CN202320312752.6U
Authority: CN
Inventors: 孙召坤; 隋永强; 赵新宇; 李锦�; 宫成
Original assignee: Yantai Chengjin Machinery Manufacturing Co ltd
Current assignee: Yantai Chengjin Machinery Manufacturing Co ltd
Priority date: 2023-02-25
Filing date: 2023-02-25
Publication date: 2023-06-27
Anticipated expiration: 2033-02-25

Abstract

The utility model discloses a four-jaw chuck for metal processing, which comprises: the four-jaw clamping device comprises a four-jaw clamp and a movable clamp, wherein the movable clamp is arranged on one side of the four-jaw clamp, the movable clamp is arranged on the surface of the four-jaw clamp, an inserting block is inserted into the movable clamp, one end of the inserting block is fixedly connected with a clamping head, two ends of the clamping head, which are positioned on the same side of the inserting block, are fixedly connected with positioning blocks, fixing bolts are connected to the surfaces of the positioning blocks, and the surfaces of the fixing bolts penetrate through the positioning blocks and are in threaded connection with the movable clamp. According to the four-jaw chuck for metal processing, through mutual matching among the four-jaw clamp, the movable clamp, the insert block, the chuck, the positioning block and the fixing bolt, the chuck is adapted according to the shape and the size of a workpiece, and accordingly the chuck can be matched and clamped according to the shape of the workpiece.

Description

Four-jaw chuck for metal processing

Technical Field

The utility model relates to the technical field of chuck devices, in particular to a four-jaw chuck for metal processing.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and the workpiece is clamped and positioned by utilizing the radial movement of movable clamping jaws uniformly distributed on the chuck body. In the metal processing process, a metal workpiece is clamped and positioned through the chuck, and the clamping jaws on the chuck device are close to the workpiece, so that the clamping jaws can clamp and position the workpiece.

The prior art scheme has the following problems when in use: when the chuck device is used, the shapes of the clamping jaws on the chuck device are fixed, so that loosening can occur when the clamping jaws are clamped with a workpiece, and particularly, the shape of the workpiece is irregular, and the clamping jaws are very unstable in the clamping process.

Improvements to the above problems are needed to meet market demands.

Disclosure of Invention

The utility model aims to provide a four-jaw chuck for metal processing, which aims to solve the problems that when the chuck device is put forward in the prior art, the shapes of jaws on the device are all fixed, so that loosening can occur when the jaws are clamped with a workpiece, and particularly the shape of the workpiece is irregular and unstable in the process of clamping the four jaws.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a four-jaw chuck for metal working, comprising: the four-jaw clamping device comprises a four-jaw clamp and a movable clamp, wherein the movable clamp is arranged on one side of the four-jaw clamp, the movable clamp is arranged on the surface of the four-jaw clamp, an inserting block is inserted into the movable clamp, one end of the inserting block is fixedly connected with a clamping head, two ends of the clamping head, which are positioned on the same side of the inserting block, are fixedly connected with positioning blocks, fixing bolts are connected to the surfaces of the positioning blocks, and the surfaces of the fixing bolts penetrate through the positioning blocks and are in threaded connection with the movable clamp.

Preferably, chamfer angles are arranged on two sides of one end surface of the insert block, the size of the insert block is matched with that of the movable clamp, and the length of the insert block is larger than that of the positioning block.

Preferably, the side wall of the movable clamp is provided with a groove which is matched with the positioning blocks in size, and the two positioning blocks are clamped on the groove on the outer side wall of the movable clamp.

Preferably, the surface fixedly connected with base of four claw anchor clamps, the surface through connection of base has the slide bar, the bottom fixedly connected with mount pad of slide bar, the mounting hole has been seted up on the mount pad.

Preferably, the inside rotation of mount pad is connected with spacing disc, the top fixedly connected with of spacing disc adjusts the pole, be threaded elevation structure between the surface of adjusting the pole and the base.

Preferably, the surface of the adjusting rod is further connected with a nut in a threaded mode, and the nut is pressed on the top surface of the base.

Compared with the prior art, the utility model has the beneficial effects that: this four-jaw chuck for metalworking through the mutually supporting between four-jaw anchor clamps, movable fixture, the inserted block, the chuck, locating piece and the fixing bolt, through dismantling the chuck and changing, afterwards according to the shape of metal work piece, make the chuck carry out the adaptation according to the shape size of metal work piece and change, thereby make the chuck can match according to the shape of metal work piece and press from both sides tightly, afterwards through base, slide bar, the mount pad, spacing disc, adjust mutually supporting between pole and the nut, make the rotation adjust the pole, screw thread lift activity between regulation pole and the base can drive four-jaw anchor clamps and carry out the vertical direction and remove, and then realize the regulation to the vertical height of four-jaw anchor clamps, can make the chuck can be with the metal work piece centre gripping in the position of being convenient for processing.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic side view of the movable clamp of the present utility model;

fig. 3 is a schematic diagram of the left-hand structure of the four-jaw clamp of the present utility model.

In the figure: 1. a four-jaw clamp; 2. a movable clamp; 3. inserting blocks; 4. a chuck; 5. a positioning block; 6. a fixing bolt; 7. a base; 8. a slide bar; 9. a mounting base; 10. a limit disc; 11. an adjusting rod; 12. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a four-jaw chuck for metal working, comprising: the four-jaw clamping device comprises a four-jaw clamping device 1 and a movable clamping device 2, wherein the movable clamping device 2 is arranged on one side of the four-jaw clamping device 1, the movable clamping device 2 is arranged on the surface of the four-jaw clamping device 1, an insert block 3 is inserted into the movable clamping device 2, one end of the insert block 3 is fixedly connected with a clamping head 4, two ends of the clamping head 4, which are positioned on the same side of the insert block 3, are fixedly connected with positioning blocks 5, fixing bolts 6 are connected to the surfaces of the positioning blocks 5, and the surfaces of the fixing bolts 6 penetrate through the positioning blocks 5 and are in threaded connection with the movable clamping device 2.

Referring to fig. 1 and 2, chamfer angles are formed on two sides of one end surface of the insert block 3, the size of the insert block 3 is identical to the size of the movable clamp 2, the length of the insert block 3 is greater than that of the positioning block 5, and when the insert block 3 is in butt joint with the movable clamp 2, the chamfer angle position of the insert block 3 is processed, so that the insert block 3 can be stable and the movable clamp 2 are mutually stable.

Referring to fig. 1 and 2, a groove with a size identical to that of the positioning blocks 5 is formed on a side wall of the movable clamp 2, and the two positioning blocks 5 are clamped on the groove on the outer side wall of the movable clamp 2, so that the positioning blocks 5 are positioned and butted with the movable clamp 2 by butting the positioning blocks 5 with the grooves on the movable clamp 2.

Referring to fig. 1 and 3, a base 7 is fixedly connected to the surface of the four-jaw clamp 1, a slide bar 8 is connected to the surface of the base 7 in a penetrating manner, a mounting seat 9 is fixedly connected to the bottom of the slide bar 8, and a mounting hole is formed in the mounting seat 9, so that the slide bar 8 can stably move in the vertical direction when the base 7 moves in the vertical direction by sliding the slide bar 8 through the base 7.

Referring to fig. 1 and 3, a limit disc 10 is rotatably connected to the inside of the mounting seat 9, an adjusting rod 11 is fixedly connected to the top of the limit disc 10, a threaded lifting structure is arranged between the surface of the adjusting rod 11 and the base 7, and the base 7 is moved in the vertical direction by rotating the threaded connecting structure between the adjusting rod 11 and the base 7, so that the vertical height of the base 7 is improved.

Referring to fig. 1 and 3, the surface of the adjusting rod 11 is further screwed with a nut 12, the nut 12 is pressed on the top surface of the base 7, and by rotating the nut 12, the nut 12 is pressed on the surface of the base 7 due to the threaded connection structure between the nut 12 and the adjusting rod 11.

To sum up: as shown in fig. 1 to 3, when the four-jaw chuck for metal working is used, the fixing bolt 6 is first rotated counterclockwise so that the fixing bolt 6 can be disassembled, then the chuck 4 is pulled so that the surfaces of the chuck 4 are gradually separated from the movable clamp 2 until the movable clamp 2 and the insert 3 are completely separated, then the movable chuck 4 for adapting to a workpiece can be mounted on the movable clamp 2, then the chuck 4 matched with the workpiece is mounted on the movable clamp 2, then the adjusting rod 11 is rotated, the threaded lifting structure between the adjusting rod 11 and the base 7 is adjusted so that the vertical height of the base 7 is increased so that the base 7 moves vertically on the slide rod 8, then the nut 12 is rotated so that the nut 12 can be pressed on the surface of the base 7 so as to maintain the distance between the four-jaw clamp 1 and the mounting seat 9, thereby realizing the adjustment of the vertical height of the mounting seat 9, then the metal workpiece is placed on the four-group chuck 4, and the metal workpiece is clamped and positioned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A four-jaw chuck for metal working, comprising: four claw anchor clamps (1) and movable clamp (2), movable clamp (2) are installed to one side of four claw anchor clamps (1), its characterized in that: the four-jaw clamping device is characterized in that a movable clamp (2) is arranged on the surface of the four-jaw clamping device (1), an inserting block (3) is inserted into the movable clamp (2), one end of the inserting block (3) is fixedly connected with a clamping head (4), two ends of the clamping head (4) located on the same side of the inserting block (3) are fixedly connected with a positioning block (5), a fixing bolt (6) is connected with the surface of the positioning block (5), and the surface of the fixing bolt (6) penetrates through the positioning block (5) and is in threaded connection with the movable clamp (2).

2. A four-jaw chuck for metal working as set forth in claim 1, wherein: chamfer angles are arranged on two sides of one end surface of the insertion block (3), the size of the insertion block (3) is identical with that of the movable clamp (2), and the length of the insertion block (3) is larger than that of the positioning block (5).

3. A four-jaw chuck for metal working as set forth in claim 1, wherein: the side wall of the movable clamp (2) is provided with grooves matched with the positioning blocks (5) in size, and the two positioning blocks (5) are clamped on the grooves on the outer side wall of the movable clamp (2).

4. A four-jaw chuck for metal working as set forth in claim 1, wherein: the four-jaw clamp is characterized in that a base (7) is fixedly connected to the surface of the four-jaw clamp (1), a sliding rod (8) is connected to the surface of the base (7) in a penetrating manner, an installation seat (9) is fixedly connected to the bottom of the sliding rod (8), and an installation hole is formed in the installation seat (9).

5. A four-jaw chuck for metal working as set forth in claim 4, wherein: the inside rotation of mount pad (9) is connected with spacing disc (10), the top fixedly connected with of spacing disc (10) is adjusted pole (11), be screw thread elevation structure between the surface of adjusting pole (11) and base (7).

6. A four-jaw chuck for metal working as set forth in claim 5, wherein: the surface of the adjusting rod (11) is further connected with a nut (12) in a threaded mode, and the nut (12) is pressed on the top surface of the base (7).