CN213410377U

CN213410377U - Workpiece fixing chuck structure

Info

Publication number: CN213410377U
Application number: CN202021837146.9U
Authority: CN
Inventors: 徐丙凯
Original assignee: Wuxi Weishuo Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Weishuo Precision Machinery Manufacturing Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-11
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the technical field of chuck structures, in particular to a workpiece fixing chuck structure, aiming at the problems that the prior three-jaw chuck is inconvenient to fix and install the auxiliary positioning parts with different sizes when in use, which causes the reduction of the applicability range and brings difficulties for workers, the utility model provides a proposal that comprises a three-jaw chuck, three first chutes are arranged at the top of the three-jaw chuck, clamping jaws are all arranged in the three first chutes in a sliding way, one ends of the three clamping jaws are all fixedly connected with fixing pieces, second chutes are all arranged at the top of the three clamping jaws, and a first fixing slide block and a second fixing slide block are all arranged in the three second chutes in a sliding way, the three-jaw chuck of the utility model is convenient to fix and install the auxiliary positioning parts with different sizes when in use, so that the three-jaw chuck can conveniently clamp and fix the workpieces with different sizes, thereby improving the applicability range thereof, the operation of staff is convenient.

Description

Workpiece fixing chuck structure

Technical Field

The utility model relates to a chuck technical field especially relates to a work piece fixed chuck structure.

Background

The three-jaw chuck consists of a chuck body, movable jaws and a jaw driving mechanism. Threads are meshed with plane threads on the back of a disc-shaped bevel gear below the guide parts of three jaws on the three-jaw chuck, when a spanner is used for rotating a small bevel gear through a square hole, the disc-shaped gear rotates, the plane threads on the back simultaneously drive the three jaws to approach to the center or withdraw from the center so as to clamp workpieces with different diameters, the three-jaw chuck is not convenient to clamp special-shaped workpieces, and when the three-jaw chuck is used for fixing the special-shaped workpieces, an auxiliary positioning element is required to be installed;

however, the conventional three-jaw chuck is inconvenient to fix and install the auxiliary positioning parts with different sizes when in use, so that the applicability range of the chuck is reduced, and the chuck brings difficulty to workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior three-jaw chuck is not convenient for fixing the auxiliary positioning pieces with different sizes when in use, leading to the reduction of the applicability range thereof and bringing about the difficult defect for the working personnel, and providing a workpiece fixing chuck structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a work piece fixed chuck structure, including three-jaw chuck, three first spout has been seted up at three-jaw chuck's top, equal slidable mounting has the jack catch in the three first spout, the equal fixedly connected with stationary blade of one end of three jack catch, the second spout has all been seted up at the top of three jack catch, equal slidable mounting has first solid fixed sliding block and second solid fixed sliding block in the three second spout, first screw thread mounting hole has all been seted up at the top of three first solid fixed sliding block, second screw thread mounting hole has all been seted up at the top of three second solid fixed sliding block, the other end of three jack catch all rotates and installs the threaded rod, the equal fixedly connected with knob of one end of three threaded rod, three threaded rod cooperatees with three second solid fixed sliding block.

Preferably, set up the third spout of putting through mutually with three second spout on the three jack catch respectively, equal slidable mounting has the sliding block in the three third spout, the top of three sliding block respectively with the bottom fixed connection of the fixed slider of three second, the sliding block can drive the fixed slider of second and remove.

Preferably, the mounting hole that communicates with three third spout looks switch-on is seted up respectively to the other end of three jack catch, and equal fixed mounting has the threaded sleeve in the three mounting hole, and three threaded rod is threaded mounting respectively in three threaded sleeve, can produce the displacement when making the threaded rod rotate through the threaded sleeve.

Preferably, the equal fixedly connected with bearing in one side of three sliding block, the other end of three threaded rod extends to in three third spout and fixed mounting respectively in three bearing, and the threaded rod passes through bearing idle running and drives the sliding block displacement.

Preferably, the arc wall has all been seted up to one side of three stationary blade, equal fixedly connected with antislip strip on the inner wall of three arc wall, through the arc wall and the frictional force of antislip strip promotion centre gripping time to the work piece.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the first fixed sliding block and the first threaded mounting hole are matched with the second fixed sliding block and the second threaded mounting hole, and the first fixed sliding block and the second fixed sliding block are matched with the second sliding chute, so that the first fixed sliding block and the second fixed sliding block can be conveniently adjusted in position in the second sliding chute at will, and auxiliary positioning elements with different sizes can be conveniently fixed by bolts;

(2) this scheme is passed through the threaded rod and is cooperateed with the threaded sleeve, and the threaded rod passes through the bearing and cooperatees with the sliding block for can conveniently drive the position of adjustment sliding block in the sliding tray through rotating the threaded rod, thereby reach the regulation of being convenient for to the well auxiliary positioning element position on the jack catch of installing.

The utility model discloses a three-jaw chuck is convenient for carry out fixed mounting to the auxiliary positioning piece of equidimension not when using, makes it be convenient for carry out the centre gripping to the not special-shaped workpiece of equidimension fixed, promotes its suitability scope, the staff operation of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a workpiece fixing chuck structure according to the present invention;

fig. 2 is a schematic view of a jaw structure of a workpiece fixing chuck structure according to the present invention;

fig. 3 is a schematic view of a jaw section structure of the workpiece fixing chuck structure according to the present invention.

In the figure: the three-jaw chuck comprises a 1 three-jaw chuck, a 2 first sliding groove, a 3 clamping jaw, a 4 fixed sheet, a 5 second sliding groove, a 6 first fixed sliding block, a 7 second fixed sliding block, a 8 first thread mounting hole, a 9 second thread mounting hole, a 10 threaded rod, a 11 rotating button, a 12 third sliding groove, a 13 sliding block, a 14 mounting hole, a 15 thread sleeve, a 16 bearing, a 17 arc-shaped groove and an 18 anti-slip strip.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a work piece fixed chuck structure, including three-jaw chuck 1, three first spout 2 has been seted up at three-jaw chuck 1's top, equal slidable mounting has jack catch 3 in three first spout 2, the equal fixedly connected with stationary blade 4 of one end of three jack catch 3, second spout 5 has all been seted up at the top of three jack catch 3, equal slidable mounting has first solid fixed sliding block 6 and second solid fixed sliding block 7 in three second spout 5, first screw thread mounting hole 8 has all been seted up at the top of three first solid fixed sliding block 6, second screw thread mounting hole 9 has all been seted up at the top of three second solid fixed sliding block 7, threaded rod 10 has all been installed in the other end of three jack catch 3 rotation, the equal fixedly connected with knob 11 of one end of three threaded rod 10, three threaded rod 10 cooperatees with three second solid fixed sliding block 7 respectively.

In this embodiment, set up the third spout 12 that communicates with three second spout 5 mutually on the three jack catch 3 respectively, equal slidable mounting has sliding block 13 in the three third spout 12, the top of three sliding block 13 respectively with the bottom fixed connection of the fixed slider 7 of three second, sliding block 13 can drive the fixed slider 7 of second and remove.

In this embodiment, the mounting hole 14 that communicates with three third spout 12 is seted up respectively to the other end of three jack catch 3, and equal fixed mounting has threaded sleeve 15 in the three mounting hole 14, and three threaded rod 10 is threaded mounting in three threaded sleeve 15 respectively, can produce the displacement when making threaded rod 10 rotate through threaded sleeve 15.

In this embodiment, the equal fixedly connected with bearing 16 of one side of three sliding block 13, the other end of three threaded rod 10 extend to in three third spout 12 respectively and fixed mounting in three bearing 16, and threaded rod 10 passes through bearing 16 idle running and drives sliding block 13 displacement.

In this embodiment, arc wall 17 has all been seted up to one side of three stationary blade 4, equal fixedly connected with antislip strip 18 on the inner wall of three arc wall 17, through arc wall 17 and the antislip strip 18 friction to the work piece when promoting the centre gripping.

Example two

Referring to fig. 1-3, a workpiece fixing chuck structure, including three-jaw chuck 1, three first spout 2 has been seted up at the top of three-jaw chuck 1, equal slidable mounting has jack catch 3 in three first spout 2, first thread mounting hole 8 has all been seted up at the top of three jack catch 3 through welded fixedly connected with stationary blade 4, second spout 5 has all been seted up at the top of three jack catch 3, equal slidable mounting has first solid fixed sliding block 6 and second solid fixed sliding block 7 in three second spout 5, first thread mounting hole 8 has all been seted up at the top of three first solid fixed sliding block 6, second thread mounting hole 9 has all been seted up at the top of three second solid fixed sliding block 7, threaded rod 10 has all been installed in the other end of three jack catch 3 rotation, the one end of three threaded rod 10 all is through welded fixedly connected with knob 11, three threaded rod 10 cooperatees with three second solid fixed sliding.

In this embodiment, set up the third spout 12 that communicates with three second spout 5 mutually on the three jack catch 3 respectively, equal slidable mounting has sliding block 13 in the three third spout 12, and welded fastening is passed through with the bottom of the fixed slider 7 of three second respectively at the top of three sliding block 13, and sliding block 13 can drive the fixed slider 7 of second and remove.

In this embodiment, the mounting hole 14 that communicates with three third spout 12 is seted up respectively to the other end of three jack catch 3, all installs threaded sleeve 15 through welded fastening in three mounting hole 14, and three threaded rod 10 is threaded mounting respectively in three threaded sleeve 15, can produce the displacement when making threaded rod 10 rotate through threaded sleeve 15.

In this embodiment, the equal fixedly connected with bearing 16 of one side of three sliding block 13, the other end of three threaded rod 10 extends to in three third spout 12 respectively and through welded fastening installation in three bearing 16, threaded rod 10 through bearing 16 idle running and drive sliding block 13 displacement.

In this embodiment, arc wall 17 has all been seted up to one side of three stationary blade 4, all through welded fixedly connected with antislip strip 18 on the inner wall of three arc wall 17, through arc wall 17 and antislip strip 18 when promoting the centre gripping frictional force to the work piece.

In this embodiment, when the special-shaped workpiece needs to be clamped and fixed, at this time, the fixing bolt on the auxiliary positioning element needs to be fixedly installed corresponding to the first thread installation hole 8 and the second thread installation hole 9, because the first fixing slider 6 can freely slide in the second chute 5, so that the first fixing slider 6 can drive the first thread installation hole 8 to move, thereby achieving the purpose of freely adjusting the distance between the first thread installation hole 8 and the second thread installation hole 9, further making it convenient for fixedly connecting with the auxiliary positioning elements of various sizes, then by rotating the rotary knob 11, the rotary knob 11 drives the threaded rod 10 to rotate, the threaded rod 10 is matched with the threaded sleeve 15, so that the threaded rod 10 generates displacement when rotating, the threaded rod 10 drives the sliding block 13 to move in the third chute 12 through the bearing 16, thereby making the sliding block 13 drive the installed auxiliary positioning element to perform position through the second fixing slider 7 The adjustment of (2) is convenient for subsequent synchronous clamping and fixing, and the friction force is improved when the three-jaw chuck 1 clamps a conventional workpiece through the arc-shaped groove 17 and the anti-slip strip 18.

The above descriptions are only preferred embodiments 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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A workpiece fixing chuck structure comprises a three-jaw chuck (1) and is characterized in that three first sliding grooves (2) are formed in the top of the three-jaw chuck (1), clamping jaws (3) are arranged in the three first sliding grooves (2) in a sliding mode, one ends of the three clamping jaws (3) are fixedly connected with fixing pieces (4), second sliding grooves (5) are formed in the top of the three clamping jaws (3), first fixed sliding blocks (6) and second fixed sliding blocks (7) are arranged in the three second sliding grooves (5) in a sliding mode, first threaded mounting holes (8) are formed in the tops of the three first fixed sliding blocks (6), second threaded mounting holes (9) are formed in the tops of the three second fixed sliding blocks (7), threaded rods (10) are rotatably arranged at the other ends of the three clamping jaws (3), and rotating buttons (11) are fixedly connected with one ends of the three threaded rods (10), the three threaded rods (10) are respectively matched with the three second fixed sliding blocks (7).

2. The workpiece fixing chuck structure as claimed in claim 1, wherein the three jaws (3) are respectively provided with third sliding grooves (12) communicated with the three second sliding grooves (5), sliding blocks (13) are respectively mounted in the three third sliding grooves (12) in a sliding manner, and tops of the three sliding blocks (13) are respectively fixedly connected with bottoms of the three second fixed sliding blocks (7).

3. The workpiece fixing chuck structure as claimed in claim 1, wherein the other ends of the three jaws (3) are respectively provided with mounting holes (14) communicated with the three third sliding grooves (12), threaded sleeves (15) are fixedly mounted in the three mounting holes (14), and the three threaded rods (10) are respectively mounted in the three threaded sleeves (15) in a threaded manner.

4. The workpiece fixing chuck structure as claimed in claim 2, characterized in that one side of each of the three sliding blocks (13) is fixedly connected with a bearing (16), and the other ends of the three threaded rods (10) extend into the three third sliding grooves (12) respectively and are fixedly mounted in the three bearings (16).

5. The workpiece fixing chuck structure as claimed in claim 1, wherein one side of each of the three fixing pieces (4) is provided with an arc-shaped groove (17), and the inner walls of the three arc-shaped grooves (17) are fixedly connected with anti-slip strips (18).