CN113245697A - Laser scribing machine - Google Patents

Abstract

In order to solve the problems of low scribing precision and working efficiency of doors and windows, the invention provides a laser scribing machine which comprises a machine body, a clamp cross beam, a cantilever beam and a Z-axis machine head, wherein the clamp cross beam is distributed along the X-axis direction of the machine body and is connected with the machine body in a sliding manner along the Y-axis direction, the cantilever beam is connected with the machine body in a sliding manner along the X-axis direction of the machine body, the clamp cross beam is connected with a clamp seat in a sliding manner along the X-axis direction of the machine body, a guide rail brake is connected between the clamp seat and the clamp cross beam, the Z-axis machine head is connected with the cantilever beam in a sliding manner along the Y-axis direction of the machine body, a laser head is arranged on the Z-axis machine head and is connected with the Z-axis machine head in a sliding manner up and down along the X-axis direction, an X-direction positioning seat is further arranged at the end part of the clamp cross beam, a mechanical valve and a guide column flying on the mechanical valve are arranged on the mechanical valve, and a deflector rod is arranged on the Z-axis machine head and presses down along with the downward movement of the laser head to open a mechanical valve connected with a pressure supply pipeline of the guide rail brake .

Description

Laser scribing machine

Technical Field

The invention relates to the technical field of machine tools, in particular to a laser scribing machine.

Background

The blanking and drilling and milling precision of the aluminum alloy door and window section bar is higher and higher, and the requirement on the assembly precision of doors and windows is higher and higher. The assembly is to connect and assemble the section bars by screws according to the requirements of construction large pattern drawings. The aluminum alloy door and window assembly mode comprises 45-degree angle butt joint, right-angle butt joint and vertical butt joint. The assembly positions between the sectional materials during the assembly of the right-angle butt joint and the vertical butt joint need to be manually measured and scribed by an assembly worker on site according to the data of a drawing, so that the production efficiency and the installation precision are low.

Disclosure of Invention

In order to solve the problems, the invention provides a laser scribing machine, which adopts the following technical scheme:

a laser scribing machine is characterized by comprising a machine body, a clamp beam, a cantilever beam and a Z-axis machine head, wherein the clamp beam is distributed along the X-axis direction of the machine body, the clamp beam is connected with the machine body in a sliding manner along the Y-axis direction, a plurality of clamp seats are connected on the clamp beam in a sliding manner along the X-axis direction of the machine body, a guide rail brake is connected between each clamp seat and the clamp beam, the cantilever beam is connected with the machine body in a sliding manner along the X-axis direction of the machine body, the Z-axis machine head is connected with the cantilever beam in a sliding manner along the Y-axis direction of the machine body, a laser head positioned above each clamp seat is arranged on the Z-axis machine head, the laser head is connected with the Z-axis machine head in a sliding manner up and down along the Z-axis direction of the machine body, the laser head is connected with the Z-axis machine head in a rotating manner along the X-axis direction, in addition, an X-direction positioning seat for positioning a section bar is further arranged at the end part of the clamp beam, and a mechanical valve connected with a pressure supply pipeline of the guide rail brake is arranged on each clamp seat, the mechanical valve switch top is provided with the guide post, it links to each other to slide from top to bottom between guide post and the anchor clamps seat, be provided with the driving lever that is used for driving the guide post and stirs the mechanical valve switch on the Z axle aircraft nose, driving lever fixed connection just reciprocates along with the laser head in Z axle aircraft nose below.

Preferably, the X-direction positioning seat is composed of a positioning rack, a positioning plate, a guide rail cylinder and a displacement sensor for detecting displacement of the positioning plate, the positioning rack is fixedly connected above the clamp beam, the guide rail cylinder is fixedly connected on the positioning support, and the positioning plate is fixedly connected with a piston rod of the guide rail cylinder.

Preferably, the displacement sensor is a grating ruler.

Preferably, a return spring is arranged between the guide post and the mechanical valve switch.

Preferably, the guide rail brake is a normally closed guide rail brake.

The invention has the beneficial effects that:

1. the Z-axis machine head drives the clamp seat to move synchronously through the deflector rod and the guide post, and after the deflector rod of the Z-axis machine head leaves the clamp seat, the clamp seat is locked through the guide rail brake, so that the position of a workpiece is prevented from moving, and the machining precision is improved;

2. the X-direction positioning seat measures the position of a workpiece in the X direction through the positioning plate and the grating ruler, and the Z-axis machine head performs subsequent scribing operation through the measured position information of the workpiece, so that the scribing precision is improved;

3. the clamp beam can move along the Y-axis direction of the lathe bed, so that the Z-axis machine head can conveniently process the inner side surface and the outer side surface of the workpiece, and the width of the lathe bed can be reduced.

Drawings

FIG. 1 is a view showing the structure of the present invention

FIG. 2 is a schematic view of a cross beam structure of the clamp

FIG. 3 is a schematic view of a fixture seat

FIG. 4 is a schematic view of a Z-axis machine head and a fixture base

FIG. 5 is a schematic view showing the position relationship between the shift lever and the guide post

FIG. 6 is a schematic view of a laser head structure

FIG. 7 is a schematic view of the X-direction positioning seat structure

The automatic clamp device comprises a machine body 1, a protective cover 2, a clamp beam 3, a cantilever beam 4, a Z-axis machine head 5, a controller 6, a clamp seat 7, an X-direction positioning seat 8, a guide column 9, a mechanical valve 10, a guide rail brake 11, a deflector rod 12, a servo motor 13, a speed reducer 14, a laser head 15, a positioning support 16, a guide rail cylinder 17, a positioning plate 18, a grating ruler 19, a reset spring 20, a laser head mounting plate 21, a laser head mounting plate 22, a conveyor belt 23, a driving belt wheel 24 and a driven belt wheel 25.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of describing the invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the invention.

The laser scribing machine as shown in fig. 1-7 mainly comprises a machine body 1, a shield 2, a clamp beam 3, a cantilever beam 4 and a Z-axis machine head 5, wherein the shield 2 is fixedly connected to the outer side above the machine body 1, the length of the clamp beam 3 is horizontally distributed along the left-right direction, the left end and the right end of the clamp beam 3 slide along the Y-axis direction, namely the front-back direction of the machine body 1, through a guide rail slider, 3 clamp seats 7 and an X-direction positioning seat 8 are arranged on the clamp beam 3, the clamp seats 7 slide along the left-right direction along the length direction of the clamp beam 3, a normally closed guide rail brake 11 is connected between the clamp seat 7 and the clamp beam 3, a guide post 9 and a mechanical valve 10 arranged on an air supply pipeline of the guide rail brake 11 are also arranged above the clamp seat 7, the axis of the guide post 9 is distributed along the vertical direction, the guide post 9 is connected between the clamp seats 7 in a vertical sliding manner, the guide post 9 is positioned right above a switch button of the mechanical valve 10, and a reset spring 20 is arranged between the two, the cantilever beam 4 is positioned above the clamp beam 3, the cantilever beam 4 is connected with the lathe bed in a left-right sliding way along the X-axis direction, namely the length direction of the lathe bed 1, the Z-axis machine head 5 is connected with the cantilever beam 4 in a sliding way along the Y-axis direction, namely the front-back direction of the lathe bed 1, the laser head 15 is connected with the Z-axis machine head 5 in a vertical sliding way through the laser head mounting plate 21, the lower part of the laser head mounting plate 21 is fixedly connected with a deflector rod 12, the axial line of the deflector rod 12 is vertically distributed downwards and is parallel to the guide post 9, the lower end of the deflector rod 12 is provided with a groove used for matching with the upper end of the guide post 9, when the deflector rod 12 is superposed with the axial line of the guide post 9, the laser head mounting plate 21 vertically slides downwards to drive the deflector rod 12 to push the guide post 9 to move downwards, so that the mechanical valve 10 is opened, the guide rail brake 11 is released after being supplied with air pressure or oil pressure, so that the clamp seat 7 can slide relatively with the clamp beam 3, after the shift lever 12 moves upwards and leaves the guide post 9, the guide post 9 moves upwards under the action of the return spring 20, the mechanical valve 10 is reversed, the guide rail brake 11 is cut off and locked, so that the clamp seat 7 is clamped on the clamp beam 3, in addition, the laser head mounting plate 21 is fixedly connected with the servo motor 13, one end of the output shaft of the servo motor 13 is fixedly connected with the mounting seat 14 for mounting and fixing the laser head 15, the axis of the output shaft of the servo motor 13 is distributed along the horizontal direction in the left-right direction, and the laser head 15 rotates along the output shaft of the servo motor under the driving of the servo motor 13.

8 fixed connection of X direction positioning seat in the left end of anchor clamps crossbeam 3 comprises locating rack 16, guide rail cylinder 17, locating plate 18 and light cut chi 19, 16 fixed connection in the 3 tops of anchor clamps crossbeam of locating rack 16, guide rail cylinder 17 cylinder body and 16 fixed connection of locating rack, the piston rod of guide rail cylinder 17 distributes along 3 length direction of anchor clamps crossbeam, and piston rod 17 right-hand member and locating plate 18 are fixed to be linked to each other, the first part fixed connection of grating reading head of grating chi 19 is on locating rack 16, scale grating part and locating plate fixed connection, grating chi 19 is in the position that can locate guide rail cylinder 17 piston rod alone when the guide rail cylinder 17 piston rod is flexible in addition, thereby obtain the position of section bar X axle direction.

In addition, the servo motor 13 is fixedly connected to the upper portion of the left side of the laser head mounting plate 21, an output shaft of the servo motor 13 is connected with the speed reducer 14, an output shaft of the speed reducer 14 is connected with a driving belt wheel 24, a mounting seat 22 is fixedly connected to the lower portion of the laser head mounting plate 21, a rotating shaft is arranged in the mounting seat 22, the axis of the rotating shaft is distributed along the left-right direction of the drawing 6, a driven belt wheel 25 is arranged at the right end of the rotating shaft, the left end of the rotating shaft is fixedly connected with the laser head 15, the driving belt wheel 24 is connected with the driven belt wheel 25 through a conveying belt 23, and the servo motor 13 drives the laser head 15 to rotate.

The working principle of the device is as follows: according to the size information of a processed workpiece, firstly, a clamp seat 7 is adjusted to a corresponding position through a Z-axis machine head 5, a clamp cross beam 3 is also adjusted to a corresponding position, then the workpiece is placed on the clamp seat 7 and is clamped tightly, a guide rail air cylinder 17 on an X-direction positioning seat 8 extends out to drive a positioning plate 18 to touch the workpiece, the position information of the workpiece in the X direction measured through a light cutting ruler 19 is measured at the moment, and therefore subsequent processing operation is facilitated, the Z-axis machine head 5 drives a laser head 5 to rotate to 0 degree, 90 degrees and +90 degrees through the position of the workpiece measured in the front, so that the upper surface, the inner side surface and the outer side surface of the workpiece are subjected to scribing processing, and after the processing is completed, the clamp seat 7 loosens the workpiece and unloads the workpiece, so that the scribing operation of the workpiece is completed.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.

Claims (5)

1. A laser scribing machine is characterized by comprising a machine body, a clamp beam, a cantilever beam and a Z-axis machine head, wherein the clamp beam is distributed along the X-axis direction of the machine body, the clamp beam is connected with the machine body in a sliding manner along the Y-axis direction, a plurality of clamp seats are connected on the clamp beam in a sliding manner along the X-axis direction of the machine body, a guide rail brake is connected between each clamp seat and the clamp beam, the cantilever beam is connected with the machine body in a sliding manner along the X-axis direction of the machine body, the Z-axis machine head is connected with the cantilever beam in a sliding manner along the Y-axis direction of the machine body, a laser head positioned above each clamp seat is arranged on the Z-axis machine head, the laser head is connected with the Z-axis machine head in a sliding manner up and down along the Z-axis direction of the machine body, the laser head is connected with the Z-axis machine head in a rotating manner along the X-axis direction, in addition, an X-direction positioning seat for positioning a section bar is further arranged at the end part of the clamp beam, and a mechanical valve connected with a pressure supply pipeline of the guide rail brake is arranged on each clamp seat, the mechanical valve switch top is provided with the guide post, it links to each other to slide from top to bottom between guide post and the anchor clamps seat, be provided with the driving lever that is used for driving the guide post and stirs the mechanical valve switch on the Z axle aircraft nose, driving lever fixed connection just reciprocates along with the laser head in Z axle aircraft nose below.

2. The laser scribing machine according to claim 1, wherein the X-direction positioning seat comprises a positioning frame, a positioning plate, a guide rail cylinder and a displacement sensor for detecting displacement of the positioning plate, the positioning frame is fixedly connected above the clamp beam, the guide rail cylinder is fixedly connected to the positioning bracket, and the positioning plate is fixedly connected to a piston rod of the guide rail cylinder.

3. The laser scribing machine according to claim 2, wherein the displacement sensor is a grating scale.

4. The laser scribing machine according to claim 1, wherein a return spring is provided between the guide post and the mechanical valve switch.

5. The laser scribing machine according to claim 1, wherein the guide rail brake is a normally closed guide rail brake.

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