CN111545933A

CN111545933A - Small-size positioner for laser cutting

Info

Publication number: CN111545933A
Application number: CN202010307589.5A
Authority: CN
Inventors: 孙蔚闻; 许普乐; 胡明
Original assignee: Wuhu Institute of Technology
Current assignee: Wuhu Institute of Technology
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-08-18

Abstract

The invention relates to a positioning device for small laser cutting, which comprises a mounting frame, a belt conveyor, a carrier plate, a bracket, a motor, a turntable, a slide bar, a slide block, a transmission rod and a first positioning plate, wherein the belt conveyor is positioned inside the mounting frame, the carrier plate is positioned inside the belt conveyor, the surface of the carrier plate is attached to the inner surface of a transmission belt of the belt conveyor, the bracket is arranged at the top of the mounting frame, the motor is arranged inside the bracket, the turntable is rotatably connected inside the mounting frame through a rotating shaft, the rotating shaft is fixedly connected with the output end of the motor, the slide bar is slidably connected inside the mounting frame, a sliding groove is formed inside the slide bar, the slide block is slidably connected inside the slide bar, the slide block is rotatably connected on the turntable through a pin shaft, a first transmission rod is fixedly arranged at, the invention is matched with the support plate to position the material, thereby ensuring the cutting precision.

Description

Small-size positioner for laser cutting

Technical Field

The invention relates to the field of laser cutting equipment, in particular to a positioning device for small laser cutting.

Background

The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to enable the workpiece to reach a melting point or a boiling point, simultaneously, the high-pressure gas coaxial with the beam blows away the melted or gasified metal, and the material finally forms a kerf along with the movement of the relative position of the beam and the workpiece, so that the purpose of cutting is achieved. The laser cutting processing is to replace the traditional mechanical knife by invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment.

Laser cutting machine utilizes the belt feeder to carry usually at the in-process of cutting among the prior art, and at the in-process of carrying, the precision of cutting is guaranteed by the stability of material, but traditional laser cutting machine is not equipped with positioning device, can reduce the precision of cutting, leads to the decline of material quality, to sum up, this application now provides a small-size for laser cutting positioner and solves the problem that the aforesaid appears.

Disclosure of Invention

The invention aims to provide a positioning device for small laser cutting, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a positioning device for small laser cutting comprises an installation frame, a belt conveyor, a support plate and a support, wherein the belt conveyor is positioned inside the installation frame, the support plate is positioned inside the belt conveyor, the surface of the support plate is attached to the inner surface of a transmission belt of the belt conveyor, and the support is arranged at the top of the installation frame; including positioning mechanism, positioning mechanism includes motor, carousel, draw runner, slider, transfer line one and first locating plate, the motor sets up inside the support, the carousel rotates through the pivot to be connected inside the mounting bracket, and the output fixed connection of pivot and motor, draw runner sliding connection is inside the mounting bracket, the inside spout of having seted up of draw runner, slider sliding connection is inside the draw runner, and the slider rotates through the round pin axle and connect on the carousel, a fixed setting in the draw runner bottom of transfer line, first locating plate and transfer line bottom fixed connection.

Preferably, transfer line one comprises cavity pole, depression bar, pressure boost spring and straight-bar, the straight-bar is fixed to be set up in the draw runner bottom, the cavity pole is fixed to be set up in the straight-bar bottom, pressure boost spring is located inside the cavity pole, the one end of straight-bar is extended into inside the cavity pole to with pressure boost spring zonulae occludens, and the other end and the first locating plate fixed connection of straight-bar.

Preferably, the belt conveyor further comprises a first auxiliary positioning mechanism, the second auxiliary positioning mechanism comprises a connecting rod, a second transmission rod, a guide sleeve and a second positioning plate, the cross section of the connecting rod is of an L-shaped structure, one end of the connecting rod is fixedly arranged at one end, close to a driving shaft in the belt conveyor, of the transmission rod, one end of the second transmission rod is rotatably connected with the other end of the connecting rod through a connecting shaft, the guide sleeve is rotatably connected inside the support through a hinged shaft, the guide sleeve is sleeved outside the second transmission rod, and the second positioning plate is rotatably connected with the other end of the second transmission rod.

Preferably, still include auxiliary positioning mechanism two, auxiliary positioning mechanism two includes transmission shaft, drive belt, lacks gear and drive gear, the transmission shaft rotates to be connected inside the mounting bracket, the transmission shaft passes through the drive belt and is connected with the pivot transmission, it is fixed to set up on the transmission shaft to lack the gear, drive gear sets up on the driving shaft of belt feeder, drive gear with lack the gear engagement.

Preferably, four edges and corners of the bottom of the mounting rack are provided with support legs.

Preferably, still include positioning spring, the constant head tank has been seted up to the mounting bracket inside, support plate sliding connection is inside the constant head tank, and positioning spring's bottom is connected in the bottom of constant head tank, and positioning spring's top and support plate zonulae occludens.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the first positioning plate is matched with the support plate to position the material through the matching of the motor and the turntable, the slide bar, the slide block and the first transmission rod, so that the cutting precision is ensured; the connecting rod is driven to move by the slide bar, and the second positioning plate is driven to perform secondary positioning on the material in the other direction by matching with the second transmission rod and the guide sleeve, so that the positioning effect is improved; when the material is cut, the transmission shaft is driven to rotate through the rotating shaft, and the transmission gear is clamped by matching with the transmission belt and the gear lacking gear, so that the stability of the belt conveyor is improved, and the cutting precision is further ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a positioning mechanism according to the present invention;

FIG. 3 is a schematic structural diagram of a first auxiliary positioning mechanism according to the present invention;

fig. 4 is a schematic structural diagram of a second auxiliary positioning mechanism in the present invention.

In the reference symbols: 1. a mounting frame; 2. a belt conveyor; 3. a support; 4. a positioning mechanism; 5. a material body; 6. a carrier plate; 7. a first auxiliary positioning mechanism; 8. a second auxiliary positioning mechanism; 41. an electric motor; 42. a turntable; 43. a slide bar; 44. a slider; 45. a first transmission rod; 46. a first positioning plate; 47. a chute; 48. a pin shaft; 49. a rotating shaft; 71. a connecting rod; 72. a connecting shaft; 73. a second transmission rod; 74. a guide sleeve; 75. a second positioning plate; 81. a transmission belt; 82. a drive shaft; 83. a gear is missing; 84. a transmission gear; 451. a hollow shaft; 452. a pressure lever; 453. a pressurizing spring; 454. a straight rod; 741. and (4) a hinge shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a positioning device for small laser cutting comprises an installation frame 1, a belt conveyor 2, a support plate 6 and a support 3, wherein the belt conveyor 2 is positioned inside the installation frame 1, the support plate 6 is positioned inside the belt conveyor 2, the surface of the support plate 6 is attached to the inner surface of a transmission belt of the belt conveyor 2, and the support 3 is arranged at the top of the installation frame 1; including positioning mechanism 4, positioning mechanism 4 includes motor 41, carousel 42, draw runner 43, slider 44, a transfer line 45 and first locating plate 46, motor 41 sets up inside support 3, carousel 42 rotates through pivot 49 to be connected inside mounting bracket 1, and pivot 49 and motor 41's output fixed connection, draw runner 43 sliding connection is inside mounting bracket 1, slide 43 has seted up spout 47 inside, slider 44 sliding connection is inside draw runner 43, and slider 44 rotates through round pin axle 48 and connects on carousel 42, a transfer line 45 is fixed to be set up in draw runner 43 bottom, first locating plate 46 and a transfer line 45 bottom fixed connection.

The working process is as follows: the belt conveyor 2 conveys materials to a position corresponding to the support plate 6, the belt conveyor 2 stops running, the motor 41 runs, the output end of the motor 41 drives the turntable 42 to rotate through the rotating shaft 49, the turntable 42 drives the slider 44 to rotate through the pin shaft 48, so that the slider 44 slides in the sliding groove 47 in the slider 43 and drives the slider 43 to move downwards, the slider 43 drives the transmission rod to move downwards, the transmission rod drives the first positioning plate 46 to move downwards, the first positioning plate 46 moves downwards and is matched with the support plate 6 to fix the position of the materials, and then laser cutting is performed.

Example two

As a preferable scheme of the first embodiment, referring to fig. 2, the first transmission rod 45 is composed of a hollow rod 451, a pressure lever 452, a pressurizing spring 453 and a straight rod 454, the straight rod 454 is fixedly arranged at the bottom of the slide bar 43, the hollow rod 451 is fixedly arranged at the bottom of the straight rod 454, the pressurizing spring 453 is positioned inside the hollow rod 451, one end of the straight rod 454 extends into the hollow rod 451 and is tightly connected with the pressurizing spring 453, and the other end of the straight rod 454 is fixedly connected with the first positioning plate 46.

The working process is as follows: when the first positioning plate 46 is in contact with the material, the pressure rod 452 enters the hollow rod 451, the pressurizing spring 453 is compressed, and the working effect of the first positioning plate 46 is improved after pressurization of the pressurizing spring 453.

EXAMPLE III

As another preferable scheme of the first embodiment, please refer to fig. 3, further comprising a first auxiliary positioning mechanism 7, wherein the second auxiliary positioning mechanism 8 comprises a connecting rod 71, a second transmission rod 73, a guide sleeve 74 and a second positioning plate 75, a cross section of the connecting rod 71 is in an L-shaped structure, one end of the connecting rod 71 is fixedly disposed at one end of the first transmission rod 45 close to the driving shaft in the belt conveyor 2, one end of the second transmission rod 73 is rotatably connected with the other end of the connecting rod 71 through a connecting shaft 72, the guide sleeve 74 is rotatably connected inside the bracket 3 through a hinge 741, the guide sleeve 74 is sleeved outside the second transmission rod 73, and the second positioning plate 75 is rotatably connected with the other end of the second transmission rod 73.

The working process is as follows: when the slide bar 43 moves downwards, the second transmission rod 73 is driven to rotate through the connecting shaft 72 by the connecting rod 71, the second transmission rod 73 is driven to slide in the guide sleeve 74, the guide sleeve 74 is driven to rotate, and the second transmission rod 73 drives the second positioning plate 75 to contact with the material and position the material in the other direction.

Example four

As another preferable scheme of the first embodiment, the first auxiliary positioning mechanism 8 is further included, the second auxiliary positioning mechanism 8 includes a transmission shaft 82, a transmission belt 81, a gear-lacking wheel 83 and a transmission gear 84, the transmission shaft 82 is rotatably connected inside the mounting frame 1, the transmission shaft 82 is in transmission connection with the rotating shaft 49 through the transmission belt 81, the gear-lacking wheel 83 is fixedly arranged on the transmission shaft 82, the transmission gear 84 is arranged on a driving shaft of the belt conveyor 2, and the transmission gear 84 is meshed with the gear-lacking wheel 83.

The working process is as follows: in the rotating process of the output end of the motor 41, the transmission shaft 82 is driven to rotate through the transmission belt 81, the transmission shaft 82 drives the missing gear 83 to rotate, the missing gear 83 is meshed and clamped with the transmission gear 84, the transmission gear 84 fixes the driving shaft of the belt conveyor 2, the belt conveyor 2 is positioned, and the stability of the belt conveyor 2 is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. A positioning device for compact laser cutting, comprising:

a mounting frame (1);

the belt conveyor (2) is positioned inside the mounting frame (1);

the carrier plate (6) is positioned inside the mounting frame (1), the carrier plate (6) is positioned inside the belt conveyor (2), and the surface of the carrier plate (6) is attached to the inner surface of the transmission belt of the belt conveyor (2); and

the bracket (3) is arranged at the top of the mounting rack (1);

characterized by comprising a positioning mechanism (4), wherein the positioning mechanism (4) comprises:

an electric motor (41), said electric motor (41) being arranged inside the support (3);

the rotary table (42) is rotatably connected inside the mounting frame (1) through a rotary shaft (49), and the rotary shaft (49) is fixedly connected with the output end of the motor (41);

the sliding strip (43) is connected inside the mounting frame (1) in a sliding mode, and a sliding groove (47) is formed in the sliding strip (43);

the sliding block (44) is connected inside the sliding strip (43) in a sliding mode, and the sliding block (44) is connected to the rotary table (42) in a rotating mode through a pin shaft (48);

the first transmission rod (45), the first transmission rod (45) is fixedly arranged at the bottom of the sliding strip (43); and

the first positioning plate (46), the first positioning plate (46) and the bottom of the first transmission rod (45) are fixedly connected.

2. The positioning device for small laser cutting as claimed in claim 1, wherein the first transmission rod (45) is composed of a hollow rod (451), a pressure lever (452), a pressurizing spring (453) and a straight rod (454), the straight rod (454) is fixedly arranged at the bottom of the slide bar (43), the hollow rod (451) is fixedly arranged at the bottom of the straight rod (454), the pressurizing spring (453) is positioned inside the hollow rod (451), one end of the straight rod (454) extends into the hollow rod (451) and is tightly connected with the pressurizing spring (453), and the other end of the straight rod (454) is fixedly connected with the first positioning plate (46).

3. The positioning device for miniature laser cutting according to claim 1, further comprising a first auxiliary positioning mechanism (7), wherein said second auxiliary positioning mechanism (8) comprises:

the cross section of the connecting rod (71) is of an L-shaped structure, and one end of the connecting rod (71) is fixedly arranged at one end, close to a driving shaft in the belt conveyor (2), of the transmission rod I (45);

one end of the second transmission rod (73) is rotatably connected with the other end of the connecting rod (71) through a connecting shaft (72);

the guide sleeve (74) is rotatably connected inside the bracket (3) through a hinge shaft (741), and the guide sleeve (74) is sleeved outside the second transmission rod (73); and

and the second positioning plate (75), and the second positioning plate (75) is rotatably connected with the other end of the second transmission rod (73).

4. The positioning device for miniature laser cutting according to claim 1, further comprising a second auxiliary positioning mechanism (8), wherein the second auxiliary positioning mechanism (8) comprises:

the transmission shaft (82), the transmission shaft (82) is rotatably connected inside the mounting frame (1);

the transmission belt (81), the transmission shaft (82) is in transmission connection with the rotating shaft (49) through the transmission belt (81);

the gear lack (83), the gear lack (83) is fixedly arranged on the transmission shaft (82); and

the transmission gear (84) is arranged on a driving shaft of the belt conveyor (2), and the transmission gear (84) is meshed with the gear lack (83).

5. The positioning device for miniature laser cutting according to claim 1, wherein the bottom four corners of the mounting frame (1) are provided with support legs.

6. The positioning device for miniature laser cutting according to claim 1, further comprising a positioning spring, wherein a positioning groove is formed in the mounting frame (1), the carrier plate (6) is slidably connected in the positioning groove, the bottom of the positioning spring is connected to the bottom of the positioning groove, and the top of the positioning spring is tightly connected to the carrier plate (6).