CN220093806U

CN220093806U - CNC machining center positioning fixture

Info

Publication number: CN220093806U
Application number: CN202321045920.6U
Authority: CN
Inventors: 陈天亮
Original assignee: Dongguan Quanxun Hardware Technology Co ltd
Current assignee: Dongguan Quanxun Hardware Technology Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-28
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a CNC machining center positioning fixture which comprises a machining table, wherein moving blocks are arranged on two sides of the top of the machining table, and a sliding groove is formed in the top of the machining table. According to the utility model, the servo motor is arranged for driving the bidirectional screw rod to rotate, the bidirectional screw rod drives the sliding plate to move under the cooperation of the threaded hole, so that the sliding plate moves towards the approaching direction, the sliding plate drives the moving block to move, the CNC workpiece is required to be placed at the top of the processing table in advance, the CNC workpiece is positioned between the moving blocks, the moving block can clamp and limit the CNC workpiece, a worker manually rotates the hand wheel, and the hand wheel drives the unidirectional screw rod to rotate, meanwhile, the problem that the workpiece is required to be clamped and fixed by the clamp during CNC processing is solved, but the existing clamps for CNC processing are mostly used for clamping and fixing the two sides of the workpiece, and the workpiece is easy to deviate up and down during CNC processing, so that the workpiece processing precision is poor is solved.

Description

CNC machining center positioning fixture

Technical Field

The utility model relates to the technical field of CNC machining, in particular to a CNC machining center positioning clamp.

Background

The common CNC machining generally refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines and the like; CNC is called computer gong, CNC or digit control machine tool, is a kind of the name of hong Kong in China, later transmits into domestic ground bead triangle, is a kind of the name of CNC milling machine in Guangdong, zhejiang Shanghai with people called CNC machining center, is a novel machining technology, mainly works to program, namely, the original manual operation is changed into computer programming.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: the clamp is required to clamp and fix the workpiece during CNC machining, but most of existing clamps used for CNC machining clamp and fix the two sides of the workpiece, the workpiece is easy to deviate up and down during CNC machining, and the machining precision of the workpiece is poor; therefore, a CNC machining center positioning fixture is provided for the above problems.

Disclosure of Invention

The utility model aims to provide a CNC machining center positioning clamp which has the advantage of improving the limiting effect on CNC workpieces, and solves the problems that the clamp is required to clamp and fix the workpieces during CNC machining, the existing clamp for CNC machining is mainly used for clamping and fixing two sides of the workpieces, and the workpieces are easy to deviate up and down during CNC machining, so that the machining precision of the workpieces is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a CNC machining center positioning fixture, includes the processing platform, the both sides at processing platform top all are provided with the movable block, the spout has been seted up at the top of processing platform, the bottom fixed mounting of movable block has the sliding plate, the bottom fixed mounting of processing platform has the base box, the bottom of sliding plate runs through the spout and extends to the inside of base box, the left side fixed mounting of base box has servo motor, servo motor's output fixed mounting has two-way screw, threaded hole has been seted up to the inside of sliding plate, two-way screw runs through threaded hole and with threaded hole threaded connection, the rotation groove has been seted up at the top of movable block, the inside rotation of rotation groove is connected with one-way screw, the deviation preventing groove has been seted up at the top of movable block, the inside sliding connection of deviation preventing groove has the deviation preventing pole, the top fixed mounting of deviation preventing pole has the connecting plate, the equal fixed mounting in one side that the connecting plate is close to relatively has the link, the bottom fixed mounting of link has the stripper plate, one side that the connecting plate is kept away from relatively has the curb plate, the top of one side fixedly mounting relatively, the one-way screw runs through threaded connection with the curb plate.

Preferably, a positioning rod is fixedly installed in the bottom box, a positioning hole is formed in the sliding plate, and the positioning rod penetrates through the positioning hole.

Preferably, the left side of the inner cavity of the bottom box is fixedly provided with a mounting bearing, and the right side of the bidirectional screw rod extends to the inside of the mounting bearing.

Preferably, a hand wheel is fixedly arranged at the top of the unidirectional screw, and an anti-skid sleeve is sleeved on the surface of the hand wheel.

Preferably, the side of the movable block relatively close to the movable block is fixedly provided with protection pads, and the protection pads are uniformly distributed.

Preferably, the both sides of processing platform bottom are all fixed mounting has the supporting leg, the bottom fixed mounting of supporting leg has the bearing plate.

Preferably, the bottom of the extrusion plate is provided with a groove, and the inside of the groove is provided with a soft cushion. Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the servo motor is arranged for driving the bidirectional screw rod to rotate, the bidirectional screw rod drives the sliding plate to move under the cooperation of the threaded hole, so that the sliding plate moves towards the approaching direction, the sliding plate drives the moving block to move, the CNC workpiece is required to be placed at the top of the processing table in advance, the CNC workpiece is positioned between the moving blocks, the moving block can clamp and limit the CNC workpiece, a worker manually rotates the hand wheel, the hand wheel drives the unidirectional screw rod to rotate, the unidirectional screw rod drives the side plate to move downwards, the side plate drives the connecting plate, the connecting frame and the extruding plate to move downwards, the extruding plate is enabled to contact with the top of the CNC workpiece and extrude and limit the CNC workpiece, the condition that the CNC workpiece shakes up and down is avoided, the limiting effect of the CNC workpiece is improved, the problem that the workpiece is easy to deviate up and down when the CNC workpiece is processed due to the fact that the existing clamp for CNC processing is usually clamped and fixed at two sides of the workpiece is easy to occur when the CNC workpiece is processed.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the bottom box of the present utility model;

fig. 4 is a schematic diagram of a moving block structure according to the present utility model.

In the figure: 1. a processing table; 2. support legs; 3. a chute; 4. a moving block; 5. a bottom box; 6. a servo motor; 7. a sliding plate; 8. a bidirectional screw; 9. a threaded hole; 10. a positioning rod; 11. positioning holes; 12. an extrusion plate; 13. mounting a bearing; 14. an anti-deviation groove; 15. an anti-deflection rod; 16. a connecting plate; 17. a rotating groove; 18. a unidirectional screw; 19. a hand wheel; 20. a side plate; 21. a connecting frame; 22. and a protective pad.

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. 1-4, a CNC machining center positioning fixture includes a machining table 1, two sides of the top of the machining table 1 are respectively provided with a moving block 4, a chute 3 is provided at the top of the machining table 1, a sliding plate 7 is fixedly mounted at the bottom of the moving block 4, a bottom box 5 is fixedly mounted at the bottom of the machining table 1, the bottom of the sliding plate 7 penetrates through the chute 3 and extends to the inside of the bottom box 5, a servo motor 6 is fixedly mounted at the left side of the bottom box 5, a bidirectional screw 8 is fixedly mounted at the output end of the servo motor 6, a threaded hole 9 is provided in the inside of the sliding plate 7, the bidirectional screw 8 penetrates through the threaded hole 9 and is in threaded connection with the threaded hole 9, a rotating groove 17 is provided at the top of the moving block 4, a unidirectional screw 18 is rotatably connected in the inside of the rotating groove 17, an anti-deflection groove 14 is provided at the top of the moving block 4, an anti-deflection rod 15 is slidably connected in the inside of the anti-deflection groove 14, a connecting plate 16 is fixedly mounted at the top of the anti-deflection rod 15, a connecting plate 16 is fixedly mounted at the top of the anti-deflection rod 16, a connecting frame 21 is fixedly mounted at the bottom of the connecting plate 21, a side 20 is fixedly mounted at the side of the connecting plate 16, which is relatively far from the side, a side 20 is fixedly mounted at the side 20, a side 20 is fixedly connected with a side 20, and is fixedly mounted at the side 20, and is fixedly far from the side of the connecting plate 20.

The inside fixed mounting of base case 5 has locating lever 10, and locating hole 11 has been seted up to the inside of sliding plate 7, and locating lever 10 runs through locating hole 11.

Through above-mentioned scheme, locating lever 10 and locating hole 11 mutually support and are used for spacing to sliding plate 7, improve the stability of sliding plate 7 when the inside removal of spout 3.

The left side of the inner cavity of the bottom box 5 is fixedly provided with a mounting bearing 13, and the right side of the bidirectional screw rod 8 extends to the inside of the mounting bearing 13.

Through above-mentioned scheme, installation bearing 13 is used for rotating bi-directional screw rod 8, and then improves the stability when bi-directional screw rod 8 rotates, further improves the stability when bi-directional screw rod 8 drives sliding plate 7 and removes.

A hand wheel 19 is fixedly arranged at the top of the unidirectional screw 18, and an anti-skid sleeve is sleeved on the surface of the hand wheel 19.

Through the scheme, the hand wheel 19 is convenient for driving the unidirectional screw 18 to rotate, and is convenient for workers to operate.

The side of the movable block 4 relatively close to the movable block is fixedly provided with protection pads 22, and the protection pads 22 are uniformly distributed.

Through above-mentioned scheme, protection pad 22 is used for protecting CNC work piece, prevents that movable block 4 from carrying out extrusion damage to the both sides of CNC work piece when movable block 4 is to CNC work piece centre gripping.

Both sides of the bottom of the processing table 1 are fixedly provided with supporting legs 2, and the bottom of the supporting legs 2 is fixedly provided with a bearing plate.

Through the scheme, the supporting legs 2 are used for supporting the processing table 1, so that the supporting stability of the processing table 1 is improved.

The bottom of the squeeze plate 12 is provided with a groove, and the inside of the groove is provided with a cushion.

Through above-mentioned scheme, the cushion is used for protecting CNC work piece, when stripper plate 12 carries out the centre gripping to the CNC work piece, prevents that stripper plate 12 from causing the damage to CNC work piece surface.

During the use, servo motor 6 drive bi-directional screw 8 rotates, under the cooperation of screw hole 9, bi-directional screw 8 drive sliding plate 7 removes, and then make sliding plate 7 remove to the direction that is close to, sliding plate 7 drives movable block 4 and removes, need place CNC work piece in advance in the top of processing platform 1, make the CNC work piece be located between the movable block 4, movable block 4 removes and can carry out centre gripping and spacing to the CNC work piece, the manual hand wheel 19 of rotating of workman, and then hand wheel 19 drives unidirectional screw 18 and rotates, unidirectional screw 18 drive curb plate 20 moves down, curb plate 20 drives connecting plate 16, link 21 and stripper plate 12 move down, and then make stripper plate 12 contact with the top of CNC work piece and extrude the spacing to the CNC work piece, avoid the CNC work piece to appear rocking up-down's condition, thereby improve the spacing effect to the CNC work piece.

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. CNC machining center positioning fixture, including processing platform (1), its characterized in that: the utility model discloses a processing platform, including processing platform (1), movable block (4), spout (3) have been seted up at the both sides at processing platform (1) top, slide plate (7) have been seted up at the top of movable block (1), the bottom fixed mounting of processing platform (1) has base case (5), the bottom of slide plate (7) runs through spout (3) and extends to the inside of base case (5), servo motor (6) have been fixedly mounted in the left side of base case (5), the output fixed mounting of servo motor (6) has bi-directional screw (8), screw hole (9) have been seted up to the inside of slide plate (7), bi-directional screw (8) run through screw hole (9) and with screw hole (9) threaded connection, rotation groove (17) have been seted up at the top of movable block (4), the inside rotation of rotation groove (17) is connected with unidirectional screw (18), anti-deflection groove (14) have been seted up at the top of movable block (4), the inside sliding connection of anti-deflection groove (14) has anti-deflection pole (15), anti-deflection pole (16) are close to fixed connection board (21) one side (21), the side that the connecting plate (16) is kept away from relatively is all fixed mounting has curb plate (20), the top of unidirectional screw (18) runs through curb plate (20) and with curb plate (20) threaded connection.

2. The CNC machining center positioning fixture of claim 1, wherein: the inside fixed mounting of base case (5) has locating lever (10), locating hole (11) have been seted up to the inside of sliding plate (7), locating lever (10) run through locating hole (11).

3. The CNC machining center positioning fixture of claim 1, wherein: the left side of the inner cavity of the bottom box (5) is fixedly provided with a mounting bearing (13), and the right side of the bidirectional screw rod (8) extends to the inside of the mounting bearing (13).

4. The CNC machining center positioning fixture of claim 1, wherein: a hand wheel (19) is fixedly arranged at the top of the unidirectional screw (18), and an anti-skid sleeve is sleeved on the surface of the hand wheel (19).

5. The CNC machining center positioning fixture of claim 1, wherein: the side of the moving block (4) relatively close to the moving block is fixedly provided with protection pads (22), and the protection pads (22) are uniformly distributed.

6. The CNC machining center positioning fixture of claim 1, wherein: support legs (2) are fixedly arranged on two sides of the bottom of the processing table (1), and a bearing plate is fixedly arranged at the bottom of the support legs (2).

7. The CNC machining center positioning fixture of claim 1, wherein: the bottom of the extrusion plate (12) is provided with a groove, and the inside of the groove is provided with a soft cushion.