CN214722323U

CN214722323U - Improved part tool positioning clamp

Info

Publication number: CN214722323U
Application number: CN202022778592.3U
Authority: CN
Inventors: 孙立华; 李悦悦; 阚磊
Original assignee: Qingdao Remer Precision Equipment Co ltd
Current assignee: Qingdao Remer Precision Equipment Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-11-16
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a frock positioning fixture technical field specifically is an improved generation spare part frock positioning fixture, including the workstation, square groove has been seted up to the upper end of workstation, is provided with the operation panel in the square groove, and the lower extreme bilateral symmetry welding of workstation has the backup pad, is provided with the fixed plate between two backup pads of bilateral symmetry distribution, and four dovetails have been seted up to the upper end of operation panel circumference array, the beneficial effects of the utility model are that: the worm and gear rotates to drive the circular plate to rotate, the movable rod slides along the rectangular groove, the dovetail-shaped sliding block drives the clamping plate to move, so that a workpiece is clamped, the workpiece is firstly contacted with the positioning plate in the process of clamping the workpiece, the clamping plate continuously moves, the workpiece pushes the positioning plate to rotate, after the workpiece is clamped by the clamping plate, the positioning plate is in close contact with the workpiece, and meanwhile, the upper end of the positioning plate is fixed at multiple angles to the upper end of the workpiece, so that clamping is firmer and more stable.

Description

Improved part tool positioning clamp

Technical Field

The utility model relates to a frock positioning fixture technical field specifically is an improved generation spare part frock positioning fixture.

Background

The clamp is a technological device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions. The tool clamp is an indispensable part for machining, and under the drive that the machine tool technology develops towards high speed, high efficiency, precision, composite, intelligent and environment-friendly directions, the clamp technology is developing towards high precision, high efficiency, module, combination, universality and economy. The fixture positioning fixture is used for rapidly, conveniently and safely installing workpieces in any process in the technical process, most of the existing fixtures manually clamp the workpieces through threaded rods, the clamping working time is prolonged, the practicability of high-precision fixtures is reduced, the fixture positioning fixture is used for a long time, the precision of the fixture is reduced due to abrasion between the threads, most of the existing fixture fixtures are suitable for the workpieces with regular shapes, the fixture cannot be suitable for the workpieces with irregular shapes, the existing fixtures easily shake the workpieces when clamping the workpieces, and the workpieces are easily damaged if the clamping force is too large.

Therefore, an improved part fixture positioning clamp is needed to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation spare part frock positioning fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an improved part tool positioning fixture comprises a workbench, wherein a square groove is formed in the upper end of the workbench, an operation table is arranged in the square groove, supporting plates are welded on the lower end of the workbench in a bilateral symmetry manner, a fixing plate is arranged between the two supporting plates which are distributed in the bilateral symmetry manner, four dovetail grooves are formed in the upper end of the operation table in a circumferential array manner, a rectangular groove is formed in the bottom end of each dovetail groove, a circular plate is arranged at the lower end of the operation table, four sliding grooves are formed in the upper end of the circular plate in a circumferential array manner, the operation table is welded with the circular plate, dovetail-shaped sliding blocks are distributed and inserted in the four dovetail grooves distributed in the circumferential array manner, a clamping plate is welded at the upper end of each dovetail-shaped sliding block and is connected with the operation table in a sliding manner, a movable rod is welded at the lower end of the clamping plate and penetrates through the rectangular groove and is inserted in the sliding grooves, the movable rod is connected with the rectangular groove in a sliding mode, the lower end of the circular plate penetrates through the operating platform, the lower end of the circular plate is connected with the worm wheel through the circular block, and the right side of the worm wheel is meshed with the worm.

Preferably, the inner side of the clamping plate is rotatably connected with a positioning plate through a pin rod, a spring is inserted between the positioning plate and the clamping plate, the upper end of the positioning plate is obliquely arranged, and a semicircular rubber pad is glued at the upper end of the opposite surface of the positioning plate.

Preferably, the sliding groove is obliquely arranged from outside to inside, and the movable rod is connected with the sliding groove in a sliding manner.

Preferably, the bottom welding of worm wheel has the pivot, the pivot is connected with the fixed plate rotation.

Preferably, limiting plates are symmetrically arranged at two ends of the worm, the worm is rotatably connected with the limiting plates, and the two limiting plates are welded with the supporting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the arranged worm gear is utilized to drive the circular plate to rotate through the rotation of the worm gear, the circular plate rotates to drive the movable rod to move, the movable rod slides along the rectangular groove, the movable rod drives the dovetail-shaped sliding block to slide along the dovetail groove, and the dovetail-shaped sliding block drives the clamping plates to move so as to clamp a workpiece;

2. utilize grip block and the locating plate that sets up, carrying out the in-process of centre gripping to the work piece, the work piece is earlier with the locating plate contact, the grip block continues the motion, the work piece promotes the locating plate and rotates, after the grip block is good with the work piece centre gripping, locating plate and work piece in close contact with, the upper end of locating plate carries out the multi-angle to the upper end of work piece fixedly simultaneously, makes the centre gripping firm more stable.

Drawings

FIG. 1 is a schematic view of the structure of the positioning fixture of the utility model;

FIG. 2 is a schematic diagram of the circular plate structure of the present invention;

FIG. 3 is a schematic view of the structure of the operation table of the present invention;

fig. 4 is a schematic view of the worm wheel and worm structure of the present invention.

In the figure: 1. a work table; 11. a square groove; 12. a support plate; 2. an operation table; 21. a dovetail groove; 22. a rectangular groove; 3. a clamping plate; 31. a dovetail shaped slider; 4. positioning a plate; 41. a spring; 5. a circular plate; 51. a chute; 6. a movable rod; 7. a worm gear; 71. a rotating shaft; 8. a worm; 81. a limiting plate; 9. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides an improved generation spare part frock positioning fixture, includes workstation 1, and square groove 11 has been seted up to the upper end of workstation 1, is provided with operation panel 2 in the square groove 11, and operation panel 2 passes through the bolt to be connected with workstation 1, and the lower extreme bilateral symmetry welding of workstation 1 has backup pad 12, is provided with fixed plate 9 between two backup pads 12 of bilateral symmetry distribution, and two fixed plates 9 and backup pad 12 play the fixed effect of support to workstation 1.

Four dovetail grooves 21 are formed in the upper end of an operating platform 2 in a circumferential array, rectangular grooves 22 are formed in the bottom end of each dovetail groove 21, a circular plate 5 is arranged at the lower end of the operating platform 2, four sliding grooves 51 are formed in the upper end of the circular plate 5 in the circumferential array, the operating platform 2 is welded with the circular plate 5, dovetail-shaped sliding blocks 31 are distributed in the four dovetail grooves 21 distributed in the circumferential array in an inserted mode, the device is more stable in movement through the characteristics of the dovetail grooves 21 and the dovetail-shaped sliding blocks 31, clamping plates 3 are welded at the upper ends of the dovetail-shaped sliding blocks 31, the clamping plates 3 are connected with the operating platform 2 in a sliding mode, the dovetail-shaped sliding blocks 31 slide along the dovetail grooves 21, meanwhile, the dovetail-shaped sliding blocks 31 drive the clamping plates 3 to move along the operating plate 2, and accordingly clamping and fixing of workpieces through the four clamping plates 3 are achieved.

The inboard of grip block 3 is connected with locating plate 4 through the pin rod rotation, it has spring 41 to peg graft between locating plate 4 and the grip block 3, the upper end slope setting of locating plate 4, the upper end glue of 4 opposite faces of locating plate has semi-circular rubber pad, after grip block 3 had good work piece centre gripping, locating plate 4 and work piece in close contact with, the semi-circular rubber pad of 4 upper ends of locating plate carried out the multi-angle to the upper end of work piece fixedly simultaneously, made the centre gripping firm more stable.

The lower extreme welding of grip block 3 has movable rod 6, and movable rod 6 runs through rectangular channel 22 and pegs graft in spout 51, and spout 51 outside-in slope sets up, and movable rod 6 and spout 51 sliding connection, movable rod 6 and rectangular channel 22 sliding connection, and movable rod 6 slides along rectangular channel 22, and movable rod 6 drives dovetail slider 31 simultaneously and slides along dovetail 21.

The lower extreme of plectane 5 runs through operation panel 2 and sets up, the lower extreme of plectane 5 is connected with worm wheel 7 through the circular block, the bottom welding of worm wheel 7 has pivot 71, pivot 71 rotates with fixed plate 9 to be connected, fixed plate 9 plays to support fixed effect to worm wheel 7, the right side meshing of worm wheel 7 is connected with worm 8, the both ends symmetry of worm 8 is provided with limiting plate 81, two limiting plate 81 play to support fixed effect to worm 8, worm 8 rotates with limiting plate 81 to be connected, limiting plate 81's side is connected with the motor through the frame, the output shaft of motor rotates with worm 8 to be connected, two limiting plate 81 and backup pad 12 welds, the motor drives worm 8 and rotates, worm 8 drives worm wheel 7.

The working principle is as follows: when the work piece is needed to be clamped, the starting device is used for starting the motor to drive the worm 8 to rotate, the worm 8 drives the worm wheel 7, the worm wheel 7 rotates to drive the circular plate 5 to rotate, the circular plate 5 drives the movable rod 6 to move when rotating, the movable rod 6 slides along the rectangular groove 22, meanwhile, the movable rod 6 drives the dovetail-shaped sliding block 31 to slide along the dovetail groove 21, the dovetail-shaped sliding block 31 drives the clamping plates 3 to move along the operating plate 2, therefore, the four clamping plates 3 are relatively close to each other, the work piece is clamped, in the clamping process, a worker only needs to place the work piece on the operating plate 2, the four clamping plates 3 can fix the work piece at the center of the operating plate 2, and therefore accurate positioning of the work piece is achieved.

In-process carrying out the centre gripping to the work piece, the work piece earlier with locating plate 4 contact, when grip block 3 continues to remove along operation panel 2, make the work piece promote locating plate 4 and rotate along the pin rod of 3 tip of grip block, after grip block 3 had good the work piece centre gripping, locating plate 4 and work piece in close contact with, the upper end of locating plate 4 carries out the multi-angle to the upper end of work piece fixedly simultaneously, makes the centre gripping more firm stable.

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

Claims

1. The utility model provides an improved generation spare part frock positioning fixture, includes workstation (1), its characterized in that: the upper end of the workbench (1) is provided with a square groove (11), the square groove (11) is internally provided with an operating platform (2), the lower end of the workbench (1) is welded with a support plate (12) in a bilateral symmetry manner, a fixing plate (9) is arranged between the two support plates (12) distributed in the bilateral symmetry manner, the upper end of the operating platform (2) is provided with four dovetail grooves (21) in a circumferential array manner, the bottom end of each dovetail groove (21) is provided with a rectangular groove (22), the lower end of the operating platform (2) is provided with a circular plate (5), the upper end of each circular plate (5) is provided with four sliding grooves (51) in a circumferential array manner, the operating platform (2) is welded with the circular plates (5) to form four circumferential array distributions, dovetail-shaped sliding blocks (31) are distributed in the dovetail grooves (21) in an inserting manner, and clamping plates (3) are welded at the upper ends of the dovetail-shaped sliding blocks (31), grip block (3) and operation panel (2) sliding connection, the lower extreme welding of grip block (3) has movable rod (6), movable rod (6) run through rectangular channel (22) and peg graft in spout (51), movable rod (6) and rectangular channel (22) sliding connection, the lower extreme of plectane (5) runs through operation panel (2) setting, the lower extreme of plectane (5) is connected with worm wheel (7) through circular block, the right side meshing of worm wheel (7) is connected with worm (8).

2. The improved part tool positioning fixture of claim 1, wherein: the inner side of the clamping plate (3) is rotatably connected with a positioning plate (4) through a pin rod, a spring (41) is inserted between the positioning plate (4) and the clamping plate (3), the upper end of the positioning plate (4) is obliquely arranged, and a semicircular rubber pad is glued to the upper end of the opposite surface of the positioning plate (4).

3. The improved part tool positioning fixture of claim 1, wherein: the sliding groove (51) is obliquely arranged from outside to inside, and the movable rod (6) is connected with the sliding groove (51) in a sliding mode.

4. The improved part tool positioning fixture of claim 1, wherein: the bottom welding of worm wheel (7) has pivot (71), pivot (71) are connected with fixed plate (9) rotation.

5. The improved part tool positioning fixture of claim 1, wherein: limiting plates (81) are symmetrically arranged at two ends of the worm (8), the worm (8) is rotatably connected with the limiting plates (81), and the two limiting plates (81) are welded with the supporting plate (12).