CN112792457A

CN112792457A - Laser deburring device

Info

Publication number: CN112792457A
Application number: CN202011642324.7A
Authority: CN
Inventors: 王卓龙; 陈健; 董少博
Original assignee: Guangdong Defeng Intelligent Technology Co ltd
Current assignee: Guangdong Defeng Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-14

Abstract

The invention relates to the technical field of deburring, in particular to a laser deburring device. Laser burring device, including the work platen, laser unit and locate the servo unit on the work platen, fixed mounting has the clamping base on the work platen, laser unit includes the aircraft nose mounting panel that is removed on the horizontal plane by the servo unit drive and installs the laser aircraft nose on the aircraft nose mounting panel, be equipped with the mounting groove that communicates each other on the laser aircraft nose, the air chamber and with the mounting groove, air chamber confined apron, mounting groove department fixed mounting has the laser gun and reflects the reflection of light lens of going into the air chamber with the laser line of laser gun transmission, the mounting groove, be equipped with the lens installing port with both intercommunications between the air chamber, fixed mounting has condensing lens in the lens installing port, the bottom of air chamber is installed and is aimed at the setting from top to bottom and in the nozzle of air chamber intercommunication with condensing lens, one side.

Description

Laser deburring device

Technical Field

The invention relates to the technical field of deburring, in particular to a laser deburring device.

Background

Burrs are irregular metal parts such as various sharp corners, burrs and the like at the transition position of the surface of a workpiece in the metal processing process. With the progress of society and the gradual improvement of industrialization and automation level, the requirements of customers on the manufacturing precision and quality of products are higher and higher, and the service conditions of the products are also more and more rigorous. The existence of burrs not only affects the progress of parts, but also affects the reliability of the whole machine, and further causes the fault of mechanical products, so that the deburring becomes a key process in the part processing process.

In order to solve the problem of burrs, various deburring methods are developed, and the deburring process is developed from early manual and mechanical operation to automation. The prior common deburring methods include a roller grinding method, a high-temperature deburring method, a mechanical brushing deburring method, an extrusion grinding deburring method, a magnetic grinding method, a water jet deburring method and the like. In recent years, with the rapid development of laser technology, and due to the advantages of non-contact, green and environmental protection of laser processing, laser deburring is gradually and widely applied.

Disclosure of Invention

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

Laser burring device, including the work platen, laser unit and locate the servo unit on the work platen, fixed mounting has the clamping base on the work platen, laser unit includes the aircraft nose mounting panel that is removed on the horizontal plane by the servo unit drive and installs the laser aircraft nose on the aircraft nose mounting panel, be equipped with the mounting groove that communicates each other on the laser aircraft nose, the air chamber and with the mounting groove, air chamber confined apron, mounting groove department fixed mounting has the laser gun and reflects the reflection of light lens of going into the air chamber with the laser line of laser gun transmission, the mounting groove, be equipped with the lens installing port with both intercommunications between the air chamber, fixed mounting has condensing lens in the lens installing port, the bottom of air chamber is installed and is aimed at the setting from top to bottom and in the nozzle of air chamber intercommunication with condensing lens, one side.

Furthermore, the servo unit comprises a Y-axis servo unit arranged on the working table plate, an X-axis servo unit driven by the Y-axis servo unit to move along the Y-axis direction is arranged on the Y-axis servo unit, and the machine head mounting plate is arranged on the X-axis servo unit and driven by the X-axis servo unit to move along the X-axis direction.

Furthermore, a lifting cylinder for driving the laser machine head to lift along the Z-axis direction is installed on the machine head mounting plate.

Furthermore, a vertical guide rail and a cylinder fixing plate are fixedly mounted on the machine head mounting plate, a telescopic rod of the lifting cylinder is fixedly connected with the cylinder fixing plate, a sliding block in sliding fit with the vertical guide rail is mounted on the vertical guide rail, and the laser machine head is fixedly mounted on the sliding block.

Furthermore, an air inlet channel communicated between the air valve and the air chamber is arranged in the laser machine head, and the upper wall of the air inlet channel is arranged in a downward inclined mode.

Compared with the prior art, the invention has the following beneficial effects: the laser scanning device utilizes the characteristics of high intensity, high energy density, strong focusing property and good directivity of the laser, and is matched with a servo unit to scan burrs of a workpiece, so that the burrs are heated and melted, the air valve can be connected with the high-pressure air pump through a pipeline, gas is blown into the air chamber through the high-pressure air pump, the gas is sprayed out through the nozzle to blow off the melted burrs, meanwhile, the heat around light spots on the workpiece is taken away, the cooling effect is achieved, and the workpiece is prevented from being oxidized.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice 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, and 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.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a laser unit according to the present invention.

Fig. 3 is a schematic structural view of a laser handpiece in the present invention.

FIG. 4 is a schematic structural diagram of an X-axis servo unit according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

Referring to fig. 1 to 4, the laser deburring device includes a work platen 1, a laser unit 2 and a servo unit 3 disposed on the work platen 1, a clamping base 4 is fixedly mounted on the work platen 1, the laser unit 2 includes a head mounting plate 21 driven by the servo unit 3 to move on a horizontal plane and a laser head 22 mounted on the head mounting plate 21, the laser head 22 is provided with a mounting groove 221, an air chamber 222 and a front cover 223 for sealing the mounting groove 221 and the air chamber 222, a laser gun 51 and a reflective lens 52 for reflecting laser rays emitted from the laser gun 51 into the air chamber 222 are fixedly mounted at the mounting groove 221, a lens mounting opening for communicating the mounting groove 221 and the air chamber 222 is disposed between the mounting groove 221 and the air chamber 222, a condensing lens 53 is fixedly mounted in the lens mounting opening, a nozzle 61 vertically aligned with the condensing lens 53 and communicated with the air chamber 222 is mounted at the bottom of the, an air valve 62 communicated with the air chamber 222 is fixedly arranged on one side of the laser head 22. Specifically, the clamping base 4 can clamp a workpiece by adopting conventional clamping methods such as electromagnetic adsorption and chuck clamping, a laser beam emitted by the laser gun 51 is reflected by the reflecting lens 52, focused by the condensing lens 53, enters the air chamber 222, and is emitted from the air outlet of the nozzle 61 to form a light spot on the workpiece, the laser has the characteristics of high intensity, high energy density, strong focusing property and good directivity, and is matched with the servo unit 3 to scan burrs of the workpiece, so that the burrs are heated and melted, the air valve 62 can be connected with a high-pressure air pump (not shown) through a pipeline, gas is blown into the air chamber 222 through the high-pressure air pump (not shown), and the gas is sprayed out through the nozzle 61 to blow off the melted burrs, and meanwhile, the heat around the light spot on the workpiece is taken away, so that the cooling effect is achieved, and the. Optionally, a dry ice conveying pipeline (not shown) can be connected to a connecting pipeline of the air valve 62 and a high-pressure air pump (not shown), so that rapid cooling and embrittlement of burrs are facilitated, and the deburring effect is optimized.

Further, the servo unit 3 includes a Y-axis servo unit 31 mounted on the work table 1, an X-axis servo unit 32 driven by the Y-axis servo unit 31 to move in the Y-axis direction is mounted on the Y-axis servo unit 31, and the head mounting plate 21 is mounted on the X-axis servo unit 32 and driven by the X-axis servo unit 32 to move in the X-axis direction. The Y-axis server set 31 and the X-axis server set 32 both adopt a combination of a servo motor and a lead screw, as shown in fig. 4, the X-axis server set 32 includes a base 321 and a cover plate 322, the base 321 is internally and fixedly provided with the servo motor 323, a rotating shaft of the servo motor 323 is fixedly connected with the lead screw 324, the lead screw 324 is provided with a translation slider 325 in threaded fit therewith, upper and lower ends of the translation slider 325 are respectively provided with a connecting block, the cover plate 322 is provided with a sliding hole 326 corresponding to the connecting block, the connecting block passes through the sliding hole 326 and is fixedly connected with the head mounting plate 21, the base 321 is also internally and fixedly provided with a sliding rod 327, the translation slider 325 is mounted on the sliding rod 327 and is in sliding fit therewith, the Y-axis server set 31 is similar to.

Further, a lifting cylinder 7 for driving the laser head 22 to lift along the Z-axis direction is mounted on the head mounting plate 21. The lifting cylinder 7 can be adapted to adjust the height of the laser head 22 when aiming at workpieces with different heights, and the focusing of light spots is facilitated.

Further, a vertical guide rail 71 and a cylinder fixing plate 72 are fixedly mounted on the head mounting plate 21, an expansion rod of the lifting cylinder 7 is fixedly connected with the cylinder fixing plate 72, a sliding block 73 in sliding fit with the vertical guide rail 71 is mounted on the vertical guide rail 71, and the laser head 22 is fixedly mounted on the sliding block 73.

Further, an air inlet channel 63 communicated between the air valve 62 and the air chamber 222 is arranged in the laser head 22, and the upper wall of the air inlet channel 63 is inclined downwards. The air inlet channel 63 arranged downwards is beneficial to the air flow which is concentrated downwards and then is sprayed out of the nozzle 61, and is beneficial to enhancing the air pressure sprayed out of the nozzle 61 and reducing the air pressure to which the condensing lens is subjected.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Claims

1. The laser deburring device comprises a working table plate, a laser unit and a servo unit arranged on the working table plate, its characterized in that, fixed mounting has the clamping base on the work platen, the laser unit includes the aircraft nose mounting panel that is removed on the horizontal plane by the drive of servo unit and installs the laser aircraft nose on the aircraft nose mounting panel, be equipped with the mounting groove that communicates each other on the laser aircraft nose, the air chamber and with the mounting groove, air chamber confined apron, mounting groove department fixed mounting has the laser gun and goes into the reflection of light lens of air chamber with the laser line reflection of laser gun transmission, the mounting groove, be equipped with the lens installing port with both intercommunications between the air chamber, fixed mounting has condensing lens in the lens installing port, align the setting from top to bottom with condensing lens and in the nozzle of air chamber intercommunication in the bottom of air chamber, one side fixed mounting of laser aircraft nose.

2. The laser deburring apparatus as claimed in claim 1, wherein the servo unit comprises a Y-axis servo unit mounted on the table plate, an X-axis servo unit driven by the Y-axis servo unit to move in the Y-axis direction is mounted on the Y-axis servo unit, and the head mounting plate is mounted on the X-axis servo unit and driven by the X-axis servo unit to move in the X-axis direction.

3. The laser deburring apparatus as claimed in claim 1, wherein the head mounting plate is provided with a lift cylinder for driving the laser head to lift in the Z-axis direction.

4. The laser deburring device of claim 3, wherein the head mounting plate is fixedly provided with a vertical guide rail and a cylinder fixing plate, the telescopic rod of the lifting cylinder is fixedly connected with the cylinder fixing plate, the vertical guide rail is provided with a sliding block in sliding fit with the vertical guide rail, and the laser head is fixedly arranged on the sliding block.

5. The laser deburring apparatus as claimed in claim 1, wherein an air inlet passage communicating between the air valve and the air chamber is provided in the laser head, and an upper wall of the air inlet passage is inclined downward.