CN212495949U

CN212495949U - Workpiece positioning mechanism of laser cutting machine

Info

Publication number: CN212495949U
Application number: CN202021012349.4U
Authority: CN
Inventors: 牛加涛
Original assignee: Jinan Hongniu Machinery Equipment Co ltd
Current assignee: Jinan Hongniu Machinery Equipment Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-09
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a laser cutting machine's work piece positioning mechanism, including the positioning seat, be equipped with the slip chamber on the positioning seat, slip intracavity slidable mounting has the slide, the through hole has been seted up on the top inner wall in slip chamber, the top fixed mounting of slide has the backup pad, the top of backup pad is run through the through hole and is extended to the top of positioning seat, the top fixed mounting of backup pad has the locating plate, the work piece has been clamped at the top of locating plate, two sliding trays that the symmetry set up are seted up at the top of locating plate, and the work piece is located between two sliding trays. The utility model discloses simple structure can fix the work piece through utilizing L shaped plate and sliding plate, the simple operation, and through the pulling pull rod for second rack and third rack phase separation, alright adjust the horizontal position of work piece to suitable cutting position, the effectual cutting size that has prevented appears the error, has improved the quality of cutting the work piece.

Description

Workpiece positioning mechanism of laser cutting machine

Technical Field

The utility model relates to a cutting machine technical field especially relates to a laser cutting machine's work piece positioning mechanism.

Background

With the development of the modern machining industry, the requirements on the cutting quality and precision are continuously improved, and the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic cutting function are also improved. The development of the numerical control cutting machine has to meet the requirements of the development of the modern mechanical processing industry. The cutting machine is classified into a flame cutting machine, a plasma cutting machine, a laser cutting machine, water cutting, and the like.

The laser cutting machine is the fastest in efficiency, the highest in cutting precision and generally small in cutting thickness, but when the existing laser cutting machine is used for cutting a workpiece, the workpiece is often unstable in fixation and cannot be adjusted in the horizontal position, so that errors exist in cutting size, and the quality of the cut workpiece is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a workpiece positioning mechanism of a laser cutting machine.

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

a workpiece positioning mechanism of a laser cutting machine comprises a positioning seat, wherein a sliding cavity is arranged on the positioning seat, a sliding plate is slidably mounted in the sliding cavity, a through hole is formed in the inner wall of the top of the sliding cavity, a supporting plate is fixedly mounted at the top of the sliding plate, the top of the supporting plate penetrates through the through hole and extends to the position above the positioning seat, a positioning plate is fixedly mounted at the top of the supporting plate, a workpiece is clamped at the top of the positioning plate, two symmetrically-arranged sliding grooves are formed in the top of the positioning plate, the workpiece is positioned between the two sliding grooves, a sliding plate is slidably mounted in the sliding grooves, a plurality of thread grooves are formed in one side of the sliding plate, a plurality of thread holes matched with the thread grooves are formed in the inner wall of one side of the sliding grooves, the top, the equal fixed mounting in one side that two diaphragms are close to each other has the L shaped plate, and two L shaped plates all clamp with the work piece mutually, the bottom fixed mounting of slide has the vertical axis, the bar hole has been seted up on the bottom inner wall in slip chamber, the bottom of vertical axis runs through the bar hole and extends to the below of positioning seat, the bottom fixed mounting of vertical axis has the adjusting plate, slidable mounting has two pull rods that the symmetry set up on the adjusting plate, the top fixed mounting of pull rod has the third rack, the bottom fixed mounting of positioning seat has the second rack, and second rack and two third rack meshes mutually, the bottom fixed mounting of third rack has two springs that the symmetry set up, and the bottom of spring and the top fixed connection of adjusting plate.

Preferably, fixed mounting has same fixed plate on the both sides inner wall in bar hole, one side fixed mounting of fixed plate has first rack, and the outside that is located the downthehole vertical axis of bar rotates the cover and is equipped with the gear, and gear and first rack mesh mutually.

Preferably, the same sliding rod is fixedly installed on the inner walls of the two sides of the sliding cavity, and the sliding rod penetrates through the sliding plate and is in sliding connection with the sliding plate.

Preferably, the bottom of the sliding plate is fixedly provided with a sliding block, the inner wall of the bottom of the sliding groove is fixedly provided with a sliding rail matched with the sliding block, and the sliding block is connected with the sliding rail in a sliding manner.

Preferably, two linear bearings are fixedly mounted on the adjusting plate, and the two pull rods respectively penetrate through inner rings of the two linear bearings and are in sliding connection with the inner rings of the linear bearings.

Compared with the prior art, the beneficial effects of the utility model are that: when needs are fixed to the work piece, at first place the work piece in the top of locating plate, then press two L shaped plates, make L shaped plate and work piece laminate mutually, it inserts in thread groove and threaded hole to recycle the bolt, make it can fix the sliding plate, and then can fix the work piece, and when needs are adjusted the horizontal position of work piece, stimulate two pull rods, make second rack and third rack phase separation, then alright promote the locating plate and remove, when the work piece removes on appointed position, loosen the pull rod again, make second rack and third rack mesh once more, brake the locating plate.

The utility model discloses simple structure can fix the work piece through utilizing L shaped plate and sliding plate, the simple operation, and through the pulling pull rod for second rack and third rack phase separation, alright adjust the horizontal position of work piece to suitable cutting position, the effectual cutting size that has prevented appears the error, has improved the quality of cutting the work piece.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece positioning mechanism of a laser cutting machine according to the present invention;

fig. 2 is an enlarged schematic structural view of a part a of a workpiece positioning mechanism of a laser cutting machine according to the present invention;

fig. 3 is an enlarged schematic structural view of a part B of a workpiece positioning mechanism of a laser cutting machine according to the present invention;

fig. 4 is a schematic structural diagram of the first rack and the gear of the workpiece positioning mechanism of the laser cutting machine according to the present invention.

In the figure: the device comprises a positioning seat 1, a sliding cavity 2, a sliding plate 3, a supporting plate 4, a positioning plate 5, a workpiece 6, a sliding groove 7, a sliding plate 8, a threaded groove 9, a threaded hole 10, a transverse plate 11, a 12L-shaped plate, a strip-shaped hole 13, a fixing plate 14, a first rack 15, a vertical shaft 16, a gear 17, a second rack 18, an adjusting plate 19, a pull rod 20, a third rack 21, a spring 22 and a sliding rod 23.

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.

Referring to fig. 1-4, a workpiece positioning mechanism of a laser cutting machine comprises a positioning seat 1, a sliding cavity 2 is arranged on the positioning seat 1, a sliding plate 3 is arranged in the sliding cavity 2 in a sliding manner, a through hole is formed in the inner wall of the top of the sliding cavity 2, a supporting plate 4 is fixedly arranged at the top of the sliding plate 3, the top of the supporting plate 4 penetrates through the through hole and extends to the upper side of the positioning seat 1, a positioning plate 5 is fixedly arranged at the top of the supporting plate 4, a workpiece 6 is clamped at the top of the positioning plate 5, two sliding grooves 7 are symmetrically arranged at the top of the positioning plate 5, the workpiece 6 is positioned between the two sliding grooves 7, a sliding plate 8 is arranged in the sliding grooves 7 in a sliding manner, a plurality of threaded grooves 9 are formed in one side of the sliding plate 8, a plurality of threaded holes 10 matched with the threaded grooves 9 are, the side, close to each other, of each of the two transverse plates 11 is fixedly provided with an L-shaped plate 12, each of the two L-shaped plates 12 is clamped with the workpiece 6, the bottom of the sliding plate 3 is fixedly provided with a vertical shaft 16, the inner wall of the bottom of the sliding cavity 2 is provided with a strip-shaped hole 13, the bottom of the vertical shaft 16 penetrates through the strip-shaped hole 13 and extends to the lower part of the positioning seat 1, the bottom of the vertical shaft 16 is fixedly provided with an adjusting plate 19, the adjusting plate 19 is slidably provided with two symmetrically arranged pull rods 20, the top of each pull rod 20 is fixedly provided with a third rack 21, the bottom of the positioning seat 1 is fixedly provided with a second rack 18, the second rack 18 is meshed with the two third racks 21, the bottom of the third rack 21 is fixedly provided with two symmetrically arranged springs 22, the bottoms of the springs 22 are fixedly connected with the top of the adjusting plate 19, when the workpiece 6 needs to be fixed, the workpiece 6, then pressing the two L-shaped plates 12 to make the L-shaped plates 12 fit with the workpiece 6, inserting bolts into the threaded grooves and the threaded holes to fix the sliding plate 8, and further fixing the workpiece 6, and when the horizontal position of the workpiece 6 needs to be adjusted, pulling the two pull rods 20 to separate the second rack 18 from the third rack 21, then pushing the positioning plate 5 to move, and when the workpiece 6 moves to a specified position, loosening the pull rods 20 to make the second rack 18 and the third rack 21 re-engage to brake the positioning plate 5, the utility model has simple structure, can fix the workpiece 6 by using the L-shaped plates 12 and the sliding plate 8, is convenient to operate, and can adjust the horizontal position of the workpiece 6 to a proper cutting position by pulling the pull rods 20 to separate the second rack 18 from the third rack 21, the cutting size is effectively prevented from generating errors, and the quality of the cut workpiece 6 is improved.

In the utility model, the same fixing plate 14 is fixedly installed on the inner walls of two sides of the strip-shaped hole 13, a first rack 15 is fixedly installed on one side of the fixing plate 14, the outer side of the vertical shaft 16 positioned in the strip-shaped hole 13 is rotatably sleeved with a gear 17, the gear 17 is meshed with the first rack 15, the same slide bar 23 is fixedly installed on the inner walls of two sides of the sliding cavity 2, the slide bar 23 penetrates through the sliding plate 3 and is in sliding connection with the sliding plate 3, the bottom of the sliding plate 8 is fixedly provided with a slide block, the inner wall of the bottom of the sliding groove 7 is fixedly provided with a slide rail matched with the slide block, the slide block is in sliding connection with the slide rail, two linear bearings are fixedly installed on the adjusting plate 19, two pull rods 20 respectively penetrate through the inner rings of the two linear bearings and are in sliding connection with the inner rings of the linear bearings, when the workpiece 6 is required to be, the L-shaped plate 12 is attached to the workpiece 6, the bolt is inserted into the threaded groove and the threaded hole to fix the sliding plate 8, the workpiece 6 can be fixed, when the horizontal position of the workpiece 6 needs to be adjusted, the two pull rods 20 are pulled to separate the second rack 18 from the third rack 21, then the positioning plate 5 can be pushed to move, when the workpiece 6 moves to a specified position, the pull rods 20 are loosened to re-engage the second rack 18 with the third rack 21, and the positioning plate 5 is braked, so that the structure of the utility model is simple, the workpiece 6 can be fixed by using the L-shaped plate 12 and the sliding plate 8, the operation is convenient, the horizontal position of the workpiece 6 can be adjusted to a proper cutting position by pulling the pull rods 20, and errors of the cutting size are effectively prevented, the quality of the cut workpiece 6 is improved.

The working principle is as follows: when a workpiece 6 needs to be fixed, the workpiece 6 is firstly placed above the positioning plate 5, then the two L-shaped plates 12 are pressed to enable the L-shaped plates 12 to be attached to the workpiece 6, then bolts are inserted into the threaded grooves and the threaded holes to enable the threaded grooves and the threaded holes to fix the sliding plate 8, the sliding plate 8 can fix the workpiece 6, after the workpiece 6 is fixed, the horizontal position of the workpiece 6 is adjusted according to cutting requirements, firstly, the two pull rods 20 are pulled, the pull rods 20 can pull the third rack 21 to move, meanwhile, the third rack 21 can compress the spring 22, when the second rack 18 is separated from the third rack 21, the positioning plate 5 can be pushed to move, the positioning plate 5 can drive the sliding plate 3 to move, and the sliding plate 3 has the limiting effect of the sliding rods 23, so that the positioning plate 5 can always move along a straight line when moving without deviation, meanwhile, the positioning plate 5 can drive the vertical shaft 16 to move, so that the gear 17 can move on the first rack 15, under the action of the first rack 15 and the gear 17, damping feeling can be brought to an operator pushing the positioning plate 5, the position of the workpiece 6 can be accurately adjusted conveniently, when the workpiece 6 moves to a specified position, the pull rod 20 is loosened, under the action of the reset elastic force of the spring 22, the second rack 18 and the third rack 21 are meshed again, the positioning plate 5 is braked, the horizontal position of the workpiece 6 can be adjusted to a proper cutting position, errors in cutting size are effectively prevented, and the quality of the cut workpiece 6 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A workpiece positioning mechanism of a laser cutting machine comprises a positioning seat (1) and is characterized in that a sliding cavity (2) is arranged on the positioning seat (1), a sliding plate (3) is arranged in the sliding cavity (2) in a sliding mode, a through hole is formed in the inner wall of the top of the sliding cavity (2), a supporting plate (4) is fixedly arranged at the top of the sliding plate (3), the top of the supporting plate (4) penetrates through the through hole and extends to the upper portion of the positioning seat (1), a positioning plate (5) is fixedly arranged at the top of the supporting plate (4), a workpiece (6) is clamped at the top of the positioning plate (5), two symmetrically-arranged sliding grooves (7) are formed in the top of the positioning plate (5), the workpiece (6) is located between the two sliding grooves (7), a sliding plate (8) is arranged in the sliding groove (7), a plurality of thread grooves (9) are formed in one side, a plurality of threaded holes (10) matched with the threaded grooves (9) are formed in the inner wall of one side of the sliding groove (7), the top of the sliding plate (8) extends to the upper portion of the positioning plate (5) and is fixedly provided with a transverse plate (11), one side, close to each other, of the two transverse plates (11) is fixedly provided with an L-shaped plate (12), the two L-shaped plates (12) are clamped with the workpiece (6), the bottom of the sliding plate (3) is fixedly provided with a vertical shaft (16), the inner wall of the bottom of the sliding cavity (2) is provided with a strip-shaped hole (13), the bottom of the vertical shaft (16) penetrates through the strip-shaped hole (13) and extends to the lower portion of the positioning seat (1), the bottom of the vertical shaft (16) is fixedly provided with an adjusting plate (19), the adjusting plate (19) is slidably provided with two symmetrically arranged pull rods (20), and the top of each pull rod (20) is fixedly provided with a third, the bottom fixed mounting of positioning seat (1) has second rack (18), and second rack (18) and two third rack (21) mesh mutually, the bottom fixed mounting of third rack (21) has two springs (22) that the symmetry set up, and the top fixed connection of the bottom of spring (22) and adjusting plate (19).

2. The workpiece positioning mechanism of the laser cutting machine as claimed in claim 1, wherein the same fixing plate (14) is fixedly mounted on the inner walls of two sides of the strip-shaped hole (13), a first rack (15) is fixedly mounted on one side of the fixing plate (14), a gear (17) is rotatably sleeved on the outer side of the vertical shaft (16) located in the strip-shaped hole (13), and the gear (17) is meshed with the first rack (15).

3. The workpiece positioning mechanism of the laser cutting machine as claimed in claim 1, characterized in that the same sliding rod (23) is fixedly mounted on the inner walls of the two sides of the sliding cavity (2), and the sliding rod (23) penetrates through the sliding plate (3) and is connected with the sliding plate (3) in a sliding manner.

4. The workpiece positioning mechanism of the laser cutting machine according to claim 1, wherein a sliding block is fixedly installed at the bottom of the sliding plate (8), a sliding rail matched with the sliding block is fixedly installed on the inner wall of the bottom of the sliding groove (7), and the sliding block and the sliding rail are slidably connected.

5. The workpiece positioning mechanism of the laser cutting machine as claimed in claim 1, wherein two linear bearings are fixedly mounted on the adjusting plate (19), and two pull rods (20) respectively penetrate through inner rings of the two linear bearings and are in sliding connection with the inner rings of the linear bearings.