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CN-122007662-A - Laser cutting device based on steel wire

CN122007662ACN 122007662 ACN122007662 ACN 122007662ACN-122007662-A

Abstract

The application provides a laser cutting device based on steel wires, which belongs to the field of laser cutting and comprises a base and a support, wherein the support is arranged on the rear side of the top of the base, a laser cutting assembly is arranged on the front side of the support, and a positioning assembly is arranged in the middle of the top of the base. According to the application, the positioning block and the adjusting block are arranged, in the process of measuring the length of the steel wire, the outer side wall of the positioning block is used as a positioning reference surface, the magnetism of the adjusting block is utilized to generate attraction force on the steel wire, so that the steel wire is actively attached to the positioning block, and the contact surface maintains a certain pressure, thereby avoiding errors caused by pressure change of the feeding wheel or greasy dirt on the surface of the steel wire, compensating micro displacement by adsorption force, ensuring that the attaching state is always stable, avoiding positioning drift caused by contact failure, improving the accuracy of the length of a product, and maintaining good stability.

Inventors

  • LIAO FENG
  • ZHANG WEI
  • LIAO XIAOLONG
  • HU XIAOBING
  • YU ZHIBING

Assignees

  • 江西卓信新材料有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The laser cutting device based on the steel wire comprises a base (1) and a support (101), wherein the support (101) is arranged on the rear side of the top of the base (1), and the laser cutting device is characterized in that a laser cutting assembly is arranged on the front side of the support (101), and a positioning assembly is arranged in the middle of the top of the base (1); The laser cutting assembly comprises a protective shell (2) and a laser cutting head (203), wherein the protective shell (2) with an air inlet at the top is slidably arranged on a bracket (101), and the laser cutting head (203) is arranged at the bottom of the protective shell (2); The positioning assembly comprises a box body (3), an electric push rod (301), a positioning block (302), an adjusting block (303) and a limiting block (304), wherein the box body (3) with the top opened is arranged right below a protective shell (2), the electric push rod (301) is arranged below the inside of the box body (3), the positioning block (302) is connected to the top of the electric push rod (301), the adjusting block (303) with magnetism is slidably arranged inside the positioning block (302), a bar-shaped hole penetrating horizontally is formed in the positioning block (302), and the limiting block (304) is arranged at the opening part of the box body (3) and far away from one side wall of the positioning block (302); The side of box (3) still is provided with feeding subassembly, feeding subassembly includes layer board (4), mount pad (401), conveying roller (402) and servo motor (403), layer board (4) set up in the lateral wall top position of box (3), mount pad (401) symmetry set up in the top of layer board (4), conveying roller (402) are through bearing rotatable connect in the bottom of mount pad (401), servo motor (403) establish transmission relation with conveying roller (402).
  2. 2. The steel wire-based laser cutting device according to claim 1, wherein a side wall of the positioning block (302) facing the limiting block (304) is tangent to a beam focus of the laser cutting head (203), and two side walls of the positioning block (302) are respectively attached to the inner side wall of the box body (3); The adjusting block (303) is slidably arranged in a strip-shaped hole in the positioning block (302), a chute is further formed in the side wall of the positioning block (302), a guide block (3031) is arranged on the side wall of the adjusting block (303), and the guide block (3031) is embedded in the chute formed in the side wall of the positioning block (302).
  3. 3. The steel wire-based laser cutting device according to claim 2, wherein the inner side wall of the case (3) is further provided with a scraper (305), the upper surface of the scraper (305) is inclined from the center to the side, and the outer side wall of the scraper (305) and the other side wall of the adjusting block (303) are arranged on the same vertical plane.
  4. 4. The steel wire-based laser cutting device according to claim 3, wherein the bottom of the box body (3) is further provided with an extrusion block (306), an inclined surface is arranged on the side wall of the extrusion block (306), a notch is formed below the side wall of the positioning block (302), one side wall of the adjusting block (303) is attached to the notch on the side wall of the positioning block (302), and the inclined surface of the extrusion block (306) is arranged right below the notch on the side wall of the adjusting block (303); A first spring (3032) is arranged on one side of the adjusting block (303) facing the central axis of the positioning block (302).
  5. 5. The steel wire-based laser cutting device of claim 4, wherein a step is arranged at the top of the positioning block (302), a horizontally arranged wire passing hole is formed in the vertical surface of the step, an air inlet hole is formed in the top of the positioning block (302), an air outlet hole is formed in the bottom of the protective shell (2), and the air outlet hole is opposite to the top air inlet hole of the positioning block (302).
  6. 6. The steel wire-based laser cutting device according to claim 1, wherein the protective housing (2) further comprises a bottom plate (201) and a sleeve (202), the bottom plate (201) is arranged at the bottom of the protective housing (2), one side of the bottom plate (201) is provided with an air outlet hole, the sleeve (202) is arranged at the middle position of the bottom plate (201), and the laser cutting head (203) is arranged at the middle position of the sleeve (202).
  7. 7. The steel wire-based laser cutting device according to claim 1, wherein the rear side of the box body (3) is further provided with a fixed-length assembly, the fixed-length assembly comprises a sliding rail (5), a first screw rod (501) and a first sliding block (502), the sliding rail (5) is connected to the upper position of the rear side of the box body (3), the first screw rod (501) penetrates through the sliding rail (5), and the first sliding block (502) and the sliding rail (5) are in sliding fit with each other; the bottom of the first sliding block (502) is attached to the upper surface of the supporting plate (4), and a groove opposite to the conveying roller (402) is formed in the bottom of the first sliding block (502).
  8. 8. The steel wire-based laser cutting device of claim 7, wherein a discharging assembly is arranged at the bottom of the supporting plate (4) at the rear end in the conveying direction and comprises a mounting frame (6), a driving air cylinder (601), a connecting block (602), a pushing plate (603) and a second spring (604), wherein the mounting frame (6) is fixedly arranged at the bottom of the supporting plate (4), the driving air cylinder (601) is fixedly connected to the side wall of the mounting frame (6), the connecting block (602) is fixedly connected to a telescopic part of the driving air cylinder (601), the pushing plate (603) is clamped on one side, penetrating through a middle through hole of the supporting plate (4), of the connecting block (602), and the second spring (604) is arranged on one side, opposite to the driving air cylinder (601), of the connecting block (602); The lower surface of push pedal (603) is laminated in the upper surface setting of layer board (4), the equidistance interval distribution's screw hole has been seted up on the surface of push pedal (603), the lateral wall of connecting block (602) is provided with the screw hole with push pedal (603) assorted.
  9. 9. The steel wire-based laser cutting device according to claim 8, wherein a gas reservoir (7) is arranged on the side wall of the supporting plate (4), a piston (701) is embedded in the end portion of the gas reservoir (7), the piston (701) is arranged on the moving path of the first slider (502), and the gas reservoir (7) is communicated with the driving cylinder (601) through a pipeline.
  10. 10. The steel wire-based laser cutting device according to claim 1, wherein a second screw rod (102) is arranged on the back surface of the support (101), a second sliding block (103) is connected to the outer side of the second screw rod (102), the second sliding block (103) comprises a protruding portion penetrating through a strip-shaped hole in the middle of the support (101), and the protective shell (2) is connected to the protruding portion of the second sliding block (103) penetrating through the support (101).

Description

Laser cutting device based on steel wire Technical Field The application relates to the technical field of laser cutting, in particular to a laser cutting device based on steel wires. Background The ferromagnetic steel wire is an elongated metal wire manufactured by taking steel as a raw material through cold drawing, heat treatment and other processes, is usually delivered in a rolled shape or a long strip shape, has wide application in mechanical manufacture, constructional engineering and daily necessities, needs to be cut into specific lengths according to specific requirements in practical application, has limitation in the traditional mechanical cutting mode when processing the thin steel wire, and becomes a better choice by virtue of non-contact, high-precision and low-heat damage advantages; In the scheme of selecting the steel wire length of the existing laser cutting machine, the steel wire is only passively adjacent to the side wall of the baffle through the extrusion action of the feeding wheel, the steel wire is in non-active connection with the baffle, the contact depends on accidental factors such as extrusion force of the feeding wheel, the surface state of the steel wire and the like, and the contact is easy to cause tiny gaps or instantaneous separation between the steel wire and the baffle due to factors such as extrusion force fluctuation and steel wire surface friction coefficient change, so that the length error of fixed-length cutting is increased, and the stability of product production is affected. Disclosure of Invention In view of the above, the present application is to provide a laser cutting device based on a steel wire, so as to change the passive extrusion lamination of the contact surface between the steel wire and the baffle plate into the active adsorption lamination, thereby solving the problem of misalignment of the positioning reference in the prior art. In order to solve the technical problems, the application provides the following technical scheme: The laser cutting device based on the steel wire comprises a base and a support, wherein the support is arranged on the rear side of the top of the base, a laser cutting assembly is arranged on the front side of the support, and a positioning assembly is arranged in the middle of the top of the base; The laser cutting assembly comprises a protective shell and a laser cutting head, wherein the protective shell with an air inlet at the top is slidably arranged on a bracket, and the laser cutting head is arranged at the bottom of the protective shell; The positioning assembly comprises a box body, an electric push rod, a positioning block, an adjusting block and a limiting block, wherein the box body is arranged under a protective shell, the top of the box body is opened, the electric push rod is arranged under the inside of the box body, the positioning block is connected to the top of the electric push rod, the adjusting block with magnetism is slidably arranged in the positioning block, a bar-shaped hole which penetrates horizontally is formed in the positioning block, and the limiting block is arranged on one side wall of the opening part of the box body far away from the positioning block; The side of the box body is also provided with a feeding assembly, the feeding assembly comprises a supporting plate, an installation seat, a conveying roller and a servo motor, the supporting plate is arranged above the side wall of the box body, the installation seat is symmetrically arranged at the top of the supporting plate, the conveying roller is rotatably connected to the bottom of the installation seat through a bearing, and the servo motor and the conveying roller establish a transmission relation. Preferably, one side wall of the positioning block facing the limiting block is tangent to a beam focus of the laser cutting head, and two side walls of the positioning block are attached to the inner side wall of the box body; the adjusting block is slidably arranged in the strip-shaped hole in the positioning block, a sliding groove is further formed in the side wall of the positioning block, a guide block is arranged on the side wall of the adjusting block, and the guide block is embedded in the sliding groove formed in the side wall of the positioning block. Preferably, the inner side wall of the box body is also provided with a scraper, the upper surface of the scraper inclines from the center to the side, and the outer side wall of the scraper and the other side wall of the regulating block are arranged on the same vertical surface. Preferably, the bottom of the box body is also provided with an extrusion block, the side wall of the extrusion block is provided with an inclined plane, a notch is formed below the side wall of the positioning block, one side wall of the adjusting block is attached to the notch of the side wall of the positioning block, and the inclined plane of the extrusion block is arranged right below the not