CN212704966U

CN212704966U - Superhard materials processing equipment

Info

Publication number: CN212704966U
Application number: CN202021556311.3U
Authority: CN
Inventors: 陈聪; 李贵林; 陈德贡
Original assignee: Guangzhou Sanyi Laser Technology Co ltd
Current assignee: Guangzhou Sanyi Laser Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses superhard materials processing equipment, which comprises a frame, wherein the frame is connected with a laser system, a workpiece fixing device, a moving device and a control module; the laser system comprises a laser generator and an optical axis system for focusing, which are sequentially arranged along a light path; the workpiece fixing device is connected with the rack through the moving device; the laser emitting end of the optical axis system faces the workpiece fixing device; the laser system and the mobile device are electrically connected with the control module. The utility model provides a superhard materials processing equipment can realize non-contact processing, easy operation, and the maintenance cost is low, can realize the processing of complicated figure under the prerequisite that does not rely on the programming moreover.

Description

Superhard materials processing equipment

Technical Field

The utility model relates to a laser beam machining field especially relates to a superhard materials processing equipment.

Background

The traditional superhard material processing equipment is machine tool type and contact type processing. The traditional processing mode comprises the following steps: grinding, wire cutting, electrical discharge, and the like. The traditional process is contact type machining, and the quality requirement of a machined tool is very high. However, the conventional superhard material processing equipment has the following disadvantages: 1) because the workpiece is made of the superhard material, the hardness value of the cutter for processing the superhard material is difficult to reach or even exceed the hardness of the workpiece, so that the cutter is worn very quickly in the processing process, and the maintenance cost is high; 2) the cutter needs to be cooled in the machining process, so that the equipment structure is complex; 3) irregular and complicated graphs are difficult to process and even cannot be processed, and programming is required; 4) a large amount of dust is generated during processing, and the environment is severe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a superhard materials processing equipment can realize non-contact processing, easy operation, and the maintenance cost is low, can realize the processing of complicated figure under the prerequisite that does not rely on the programming moreover.

In order to achieve the above object, the utility model provides a superhard materials processing equipment, which comprises a frame, wherein a laser system, a workpiece fixing device, a moving device and a control module are connected on the frame; the laser system comprises a laser generator and an optical axis system for focusing, which are sequentially arranged along a light path; the workpiece fixing device is connected with the rack through the moving device; the laser emitting end of the optical axis system faces the workpiece fixing device; the laser system and the mobile device are electrically connected with the control module.

As a further improvement of the present invention, the frame is further connected with a vision system, and the vision system faces the workpiece fixing device; the vision system is electrically connected with the control module.

As a further improvement of the present invention, the vision system is a CCD automatic alignment system.

As a further improvement of the present invention, the moving device is an XYZ-axis moving device.

As a further improvement of the present invention, the workpiece fixing device comprises a fixing seat, a guide post and a workpiece limiting plate which are connected in sequence; the workpiece limiting plate is provided with a workpiece limiting hole; a workpiece supporting plate in sliding fit with the guide post is arranged between the workpiece limiting plate and the fixed seat; the workpiece supporting plate is provided with an adjusting mechanism for adjusting the protrusion amount of the workpiece from one end of the workpiece limiting hole.

As a further improvement of the present invention, the adjusting mechanism includes a screw threadedly connected to the workpiece support plate; the screw head of the screw is positioned on one side of the workpiece supporting plate, which is far away from the fixed seat, and the top end of the screw rod of the screw is propped against the fixed seat.

As a further improvement of the utility model, a workpiece locking structure is arranged on the workpiece supporting plate.

As a further improvement of the present invention, the workpiece locking structure is a magnet disposed on the support plate; the position of the magnet corresponds to the workpiece limiting hole on the workpiece limiting plate.

As a further improvement of the present invention, the laser system, the workpiece fixing device and the moving device three are sequentially disposed in the frame from top to bottom.

Advantageous effects

Compared with the prior art, the utility model discloses an superhard materials processing equipment's advantage does:

1. through laser and mechanical shaft cooperation, utilize laser focusing to gasify the mode of melting and carry out non-contact processing superhard materials, do not have cutter wearing and tearing, need not to adopt the coolant liquid splash to cool down, energy-concerving and environment-protective, do not have the consumptive material, non-maintaining and running cost are low. In addition, the processing of complex graphs can be realized on the premise of not depending on programming, namely, the graph is directly imported and then parameterized, and the operation is carried out according to the following steps that 1: after the entity model of 1 is imported, only relevant process parameters (laser power, laser frequency, processing speed and the like) need to be filled, programming such as G code compiling is not needed, and the application range is wide. The automatic feeding and discharging device can achieve unattended automatic feeding and discharging processing, and reduces operation cost. The superhard material is processed by a gasification ablation mode, almost no dust exists, and the production environment can be kept clean.

2. Through increasing vision system, online real time monitoring course of working realizes visual processing, need not personnel and closely observes the condition that the work piece gasifies and melts, has effectively avoided the probability of laser to human injury, improves production safety. In addition, the CCD automatic alignment system has an automatic identification and positioning function. During processing, the CCD automatic alignment system is required to firstly identify and position the workpiece, and then the workpiece is processed after the position is adjusted through the moving device according to the deviation amount, so that the observation accuracy is high, and the processing precision is improved.

3. In the workpiece fixing device, the bottom of the workpiece passes through a workpiece limiting hole on a workpiece limiting plate and is supported by a workpiece supporting plate. The height of the upper part of the workpiece protruding from one end of the workpiece limiting hole is adjusted through the adjusting mechanism, so that the proper protruding height of the workpiece can be selected according to needs, and the workpiece is convenient to process.

4. The work piece backup pad passes through magnet adsorption work piece, prevents that it from rocking or deviating from the spacing hole of work piece, plays the locking effect, improves the machining precision.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a front view of a superhard material processing apparatus;

FIG. 2 is an enlarged front view of the workpiece fixture and the Z-axis moving mechanism;

fig. 3 is a perspective view of the workpiece fixing device.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

The utility model discloses a specific embodiment is as shown in fig. 1 to fig. 3, a superhard materials processing equipment, including frame 1, be connected with laser system 2, work piece fixing device 4, mobile device 3 and control module 7 on the frame 1. The laser system 2 includes a laser generator 21 and an optical axis system 22 for focusing, which are sequentially arranged along an optical path. The workpiece fixing device 4 is connected to the machine frame 1 via the moving device 3. The laser emitting end 23 of the optical axis system 22 faces the workpiece fixing device 4. The laser system 2 and the mobile device 3 are both electrically connected with the control module 7. The laser system 2, the workpiece fixing device 4 and the moving device 3 are sequentially arranged on the frame 1 from top to bottom.

The machine frame 1 is also connected with a vision system 8, and the vision system 8 faces the workpiece fixing device 4. The vision system 8 is electrically connected with the control module 7. In this embodiment, the vision system 8 is a CCD auto-alignment system.

The transfer device 3 is an XYZ-axis transfer device. The X-axis moving mechanism 31, the Y-axis moving mechanism 32 and the Z-axis moving mechanism 33 are sequentially connected from bottom to top. Wherein, the X-axis moving mechanism 31 is connected with the frame 1, and the Z-axis moving mechanism 33 is connected with the workpiece fixing device 4. The X-axis moving mechanism 31, the Y-axis moving mechanism 32, and the Z-axis moving mechanism 33 may be driven by motors.

The workpiece fixing device 4 comprises a fixed seat 41, a guide post 44 and a workpiece limiting plate 43 which are connected in sequence from bottom to top. The guide posts 44 are plural and vertically arranged. The fixed base 41 is connected to the Z-axis moving mechanism 33. A plurality of work stopper holes 431 are uniformly distributed in the work stopper plate 43. The cross section of the workpiece limiting hole 431 is matched with that of the workpiece 9. In this embodiment, the cross-section of the workpiece limiting hole 431 is circular. A workpiece supporting plate 42 which is in sliding fit with the guide post 44 is arranged between the workpiece limiting plate 43 and the fixed seat 41. The workpiece support plate 42 is provided with an adjustment mechanism for adjusting the amount of projection of the upper portion of the workpiece 9 from one end of the workpiece stopper hole 431.

The adjustment mechanism includes a screw 45 threadedly coupled to the workpiece support plate 42. The upper end surface of the workpiece support plate 42 is square, and four screws 45 are arranged at four corners of the workpiece support plate 42. The workpiece limiting plate 43 is provided with a yielding notch at a position corresponding to the screw 45. The screw head of the screw 45 is positioned on the side of the workpiece supporting plate 42 away from the fixed seat 41, and the screw rod top end of the screw 45 is pressed against the fixed seat 41.

The workpiece support plate 42 is provided with a workpiece locking structure. In this embodiment, the workpiece locking structure is a magnet, specifically a raised ru fe — b magnet, disposed on the support plate 42. The position of the magnet corresponds to the work stopper hole 431 of the work stopper plate 43. In addition, the locking structure may also employ a retaining clip.

When the superhard material processing equipment is used, the bottom of a workpiece 9 firstly penetrates through the workpiece limiting hole 431 of the workpiece limiting plate 43 and contacts with the workpiece supporting plate 42, and the workpiece supporting plate 42 attracts the workpiece 9 through a magnet. The screw 45 is rotated to adjust the projecting amount of the upper end of the workpiece 9. After the workpiece 9 is positioned, the CCD automatic alignment system identifies and positions the workpiece 9, and the control module 7 adjusts the position of the workpiece 9 by the XYZ shaft translation device 3 according to the deviation. Then, the control module 7 starts the laser system 2, and after the laser of the laser generator 21 is reflected and focused by the reflecting mirror, the convex lens and the like in the optical axis system 22, the laser is emitted from the laser emitting end 23 and irradiates on the workpiece 9. The workpiece 9 is driven to move by matching with the moving device 3 with XYZ axes, so that the workpiece 9 is processed by utilizing a laser focusing gasification ablation mode.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. The superhard material processing equipment comprises a rack (1), and is characterized in that a laser system (2), a workpiece fixing device (4), a moving device (3) and a control module (7) are connected to the rack (1); the laser system (2) comprises a laser generator (21) and an optical axis system (22) which are sequentially arranged along a light path; the workpiece fixing device (4) is connected with the rack (1) through the moving device (3); the laser emitting end (23) of the optical axis system (22) faces the workpiece fixing device (4); the laser system (2) and the mobile device (3) are electrically connected with the control module (7).

2. A superhard material processing apparatus according to claim 1, wherein a vision system (8) is further attached to the frame (1), the vision system (8) facing the workpiece fixture (4); the vision system (8) is electrically connected with the control module (7).

3. A superhard material processing apparatus according to claim 2, wherein the vision system (8) is a CCD auto-alignment system.

4. A superhard material processing apparatus according to claim 1, wherein the moving means (3) is an XYZ axis moving means.

5. A superhard material processing apparatus according to claim 1, wherein the workpiece fixing device (4) comprises a fixed seat (41), a guide post (44) and a workpiece limiting plate (43) which are connected in sequence; a workpiece limiting hole (431) is formed in the workpiece limiting plate (43); a workpiece supporting plate (42) in sliding fit with the guide post (44) is arranged between the workpiece limiting plate (43) and the fixed seat (41); the workpiece support plate (42) is provided with an adjusting mechanism for adjusting the amount of the workpiece protruding from one end of the workpiece limiting hole (431).

6. A superhard material processing apparatus according to claim 5, wherein the adjustment mechanism comprises a screw (45) threadedly connected to the workpiece support plate (42); the screw head of the screw (45) is positioned on one side of the workpiece supporting plate (42) far away from the fixed seat (41), and the top end of the screw rod of the screw (45) is pressed against the fixed seat (41).

7. A superhard material processing apparatus according to claim 5, wherein the workpiece support plate (42) is provided with a workpiece locking formation.

8. A superhard material processing apparatus according to claim 7, wherein the workpiece locking structure is a magnet provided on a support plate (42); the position of the magnet corresponds to the workpiece limiting hole (431) on the workpiece limiting plate (43).

9. A superhard material processing apparatus according to claim 1, wherein the laser system (2), the workpiece holding means (4) and the moving means (3) are arranged on the frame (1) sequentially from top to bottom.