阅读说明：本技术 一种成型模具加工用选区激光融化装置 (Selective laser melting device for machining forming die ) 是由 陈大勇 刘桐 彭泽丛 秦东 沈力 谢春林 于 2019-12-22 设计创作，主要内容包括：本发明公开了一种成型模具加工用选区激光融化装置,包括第一箱体,第一箱体后端安装有第一伺服电机,第一伺服电机的输出轴固定有第一丝杆,第一丝杆螺纹连接有移动块,移动块上焊接有安装架,安装架远离移动块的一端中间固定有滑块,第一箱体的内部前侧开设有与滑块相适配的滑槽,滑块在滑槽内滑动,安装架上设置有刮粉机构,刮粉机构的下方设置有工作台,工作台的下侧设置有升降机构,升降机构位于第一箱体的内部中间,工作台的一侧设置有载料台,载料台固定在第一箱体的内部,工作台远离载料台一端设置有自动供粉机构,自动供粉机构位于第一箱体的内部,实现自动铺料和供料,结构简单,操作方便,制造成本低。(The invention discloses a selective laser melting device for processing a forming die, which comprises a first box body, wherein a first servo motor is arranged at the rear end of the first box body, a first lead screw is fixed on an output shaft of the first servo motor, a moving block is in threaded connection with the first lead screw, a mounting frame is welded on the moving block, a sliding block is fixed in the middle of one end, away from the moving block, of the mounting frame, a sliding groove matched with the sliding block is formed in the front side of the interior of the first box body, the sliding block slides in the sliding groove, a powder scraping mechanism is arranged on the mounting frame, a workbench is arranged below the powder scraping mechanism, a lifting mechanism is arranged on the lower side of the workbench, the lifting mechanism is positioned in the middle of the interior of the first box body, a material carrying table is arranged on one side of the workbench and is fixed in the interior of the first box body, an automatic powder supply mechanism is arranged at one, realize automatic stone and feed, simple structure, convenient operation, low in manufacturing cost.)

1. The utility model provides a forming die processing is with selective laser melting device, includes first box (1), its characterized in that: a first fixing plate (2) is welded on one side of the rear end of the first box body (1), a first servo motor (3) is fixed on the first fixing plate (2) through bolts, a first lead screw (4) is fixed on the end portion of an output shaft of the first servo motor (3), a second fixing plate (5) is rotatably connected to the end portion, far away from the first servo motor (3), of the first lead screw (4) through a bearing, the second fixing plate (5) is fixed on the rear side of the first box body (1), a moving block (6) is connected to the first lead screw (4) in a threaded transmission mode, a mounting frame (7) is welded on the side face of the moving block (6), the mounting frame (7) is located on the rear side of the interior of the first box body (1), a sliding groove (9) matched with the sliding block (8) is formed in the middle of one end, far away from the moving block (6), of the mounting frame (7), and the front side of the interior of the first box, slider (8) slide in spout (9), be provided with on mounting bracket (7) and scrape powder mechanism (10), the below of scraping powder mechanism (10) is provided with workstation (11), the downside of workstation (11) is provided with elevating system (12), elevating system (12) are located in the middle of the inside of first box (1), one side of workstation (11) is provided with carries material platform (13), carry material platform (13) and fix the inside at first box (1), workstation (11) are kept away from and are carried material platform (13) one end and are provided with automatic powder mechanism (14) that supplies, automatic powder mechanism (14) of supplying are located the inside of first box (1).

2. The selective laser melting device for processing the forming die as claimed in claim 1, wherein: scrape whitewashed mechanism (10) and include cylinder (101), cylinder (101) are provided with two and the symmetry and fix the both sides in mounting bracket (7), two the tailpiece of the piston rod portion of cylinder (101) all is fixed with mounting panel (102), the lower terminal surface of mounting panel (102) is fixed with scrapes piece (103), two scrape the below that piece (103) symmetry set up in mounting bracket (7).

3. The selective laser melting device for processing the forming die as claimed in claim 2, wherein: guide rod (104) have all been welded to the up end both sides of mounting panel (102), guide rod (104) run through mounting bracket (7) and extend to the top, the upper end fixing of guide rod (104) has first stopper (105).

4. The selective laser melting device for processing the forming die as claimed in claim 2, wherein: the scraper blocks (103) are obliquely arranged, and arc chamfers (106) are arranged on the outermost sides of the lower ends of the two scraper blocks (103).

5. The selective laser melting device for processing the forming die as claimed in claim 1, wherein: the lifting mechanism (12) comprises a second box body (121), the second box body (121) is fixed in the middle of the inner part of the first box body (1), a second servo motor (122) is fixed at the bottom end inside the second box body (121), a second screw rod (123) is fixed at the end part of the output shaft of the second servo motor (122), the upper end part of the second screw rod (123) is rotatably connected with a first clapboard (124) through a bearing, the first clapboard (124) is fixed in the middle of the inner part of the second box body (121), the second screw rod (123) is in threaded transmission connection with a first lifting plate (125), a first connecting rod (126) is welded at the four corners of the upper end surface of the first lifting plate (125), the first connecting rod (126) penetrates through the first clapboard (124) and extends to the upper part, the workbench (11) is fixed at the upper end part of the first connecting rod (126).

6. The selective laser melting device for processing the forming die as claimed in claim 5, wherein: a second limiting block (127) is arranged below the first lifting plate (125), and the second limiting block (127) is fixed to the lower side of the inside of the second box body (121).

7. The selective laser melting device for processing the forming die as claimed in claim 1, wherein: the automatic powder supply mechanism (14) comprises an installation barrel (141), the installation barrel (141) is fixed at the inner bottom end of the first box body (1), the inner bottom end of the installation barrel (141) is fixed with a third servo motor (142), the end part of an output shaft of the third servo motor (142) is fixed with a third lead screw (143), the end part of the upper end of the third lead screw (143) is connected with a second partition plate (144) through a bearing in a rotating manner, the second partition plate (144) is fixed in the middle of the inner part of the installation barrel (141), the third lead screw (143) is connected with a second lifting plate (145) in a threaded transmission manner, second connecting rods (146) are symmetrically fixed on two sides of the upper end face of the second lifting plate (145), the second connecting rods (146) penetrate through the second partition plate (144) and extend to the upper side, and the end part of the second connecting rods (146) is fixed with a powder pushing plate (147), the powder pushing plate (147) is positioned on the upper side of the inner part of the mounting barrel (141), and a powder outlet (148) is formed in the middle of the top end of the mounting barrel (141).

8. The selective laser melting device for processing the forming die as claimed in claim 7, wherein: and a third limiting block (149) is arranged below the second lifting plate (145), and the third limiting block (149) is fixed on the lower side of the inner part of the mounting barrel (141).

9. The selective laser melting device for processing the forming die as claimed in claim 1, wherein: one end of the first box body (1) far away from the material carrying platform (13) is provided with a recovery box (15), the recovery box (15) is fixed at the bottom end of the first box body (1), and a rectangular feeding hole (16) is formed in the middle of the top end of the recovery box (15).

Technical Field

The invention belongs to the technical field of laser melting devices, and particularly relates to a selective laser melting device for machining a forming die.

Background

The laser additive manufacturing technology is a typical rapid forming technology, and mainly utilizes high-energy laser beams to melt metal powder, and the metal powder is stacked layer by layer to directly form high-performance complex metal parts. The selective laser melting technology is a technology of using high-energy laser beam to scan the metal powder which is previously paved according to a preset scanning path to completely melt the metal powder, and then forming the metal powder after cooling and solidification.

Some forming dies of prior art are complicated because the profile, it is big with the lathe processing degree of difficulty, the precision is low, work efficiency is low, so utilize the selective laser to melt the technique and process, selective laser on the existing market melts processingequipment structure complicacy, complex operation, and manufacturing cost is high, and the later maintenance degree of difficulty is big, for this reason, we provide a simple structure, convenient operation's selective laser for forming die processing and melt the device and solve the problem that exists among the prior art.

Disclosure of Invention

The invention aims to provide a selective laser melting device for processing a forming die, and aims to solve the problems of complex structure, complex operation, high manufacturing cost and high later maintenance difficulty of the selective laser melting device in the current market in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a selective laser melting device for processing a forming die comprises a first box body, wherein a first fixed plate is welded on one side of the rear end of the first box body, a first servo motor is fixed on the first fixed plate through bolts, a first lead screw is fixed on the end portion of an output shaft of the first servo motor, a second fixed plate is rotatably connected with one end portion, away from the first servo motor, of the first lead screw through a bearing, the second fixed plate is fixed on the rear side of the first box body, a moving block is connected onto the first lead screw in a threaded transmission manner, a mounting frame is welded on the side face of the moving block, the mounting frame is positioned on the rear side of the interior of the first box body, a sliding block is fixed in the middle of one end, away from the moving block, of the mounting frame, a sliding groove matched with the sliding block is formed in the front side of the interior of the first box body, the sliding block, the powder scraping mechanism is characterized in that a workbench is arranged below the powder scraping mechanism, a lifting mechanism is arranged on the lower side of the workbench and located in the middle of the inside of the first box, a material carrying platform is arranged on one side of the workbench and fixed in the first box, an automatic powder supplying mechanism is arranged at one end, away from the material carrying platform, of the workbench and located in the first box.

Preferably, scrape powder mechanism and include the cylinder, the cylinder is provided with two and the symmetry is fixed in the both sides of mounting bracket, two the tailpiece of the piston rod portion of cylinder all is fixed with the mounting panel, the lower terminal surface of mounting panel is fixed with scrapes the material piece, two scrape the material piece symmetry and set up in the below of mounting bracket.

Preferably, the guide rod has all been welded to the up end both sides of mounting panel, the guide rod runs through the mounting bracket and extends to the top, the upper end fixing of guide rod has first stopper.

Preferably, the scraping blocks are obliquely arranged, and the outermost sides of the lower ends of the two scraping blocks are provided with arc chamfers.

Preferably, elevating system includes the second box, the second box is fixed in the middle of the inside of first box, the inside bottom mounting of second box has second servo motor, second servo motor's output shaft end is fixed with the second lead screw, the upper end tip of second lead screw is connected with first baffle through the bearing rotation, first baffle is fixed in the middle of the inside of second box, screw transmission is connected with first lifting plate on the second lead screw, first connecting rod has all been welded in the up end four corners position of first lifting plate, first connecting rod runs through first baffle and extends to the top, the upper end tip at the first connecting rod is fixed to the workstation.

Preferably, a second limiting block is arranged below the first lifting plate and fixed to the lower side of the inside of the second box body.

Preferably, automatic powder supply mechanism includes the installing bucket, the inside bottom at first box is fixed to the installing bucket, the inside bottom mounting of installing bucket has third servo motor, third servo motor's output shaft end fixing has the third lead screw, the upper end tip of third lead screw is connected with the second baffle through the bearing rotation, the second baffle is fixed in the middle of the inside of installing bucket, screw transmission is connected with the second board of lifting on the third lead screw, the up end bilateral symmetry of the board of lifting of second is fixed with the second connecting rod, the second connecting rod runs through the second baffle and extends to the top, the upper end fixing of second connecting rod has the powder pushing plate, the powder pushing plate is located the inside upside of installing bucket, the powder outlet has been seted up in the middle of the top of installing bucket.

Preferably, a third limiting block is arranged below the second lifting plate and fixed on the lower side of the inner part of the installation barrel.

Preferably, one end of the first box body, which is far away from the material loading platform, is provided with a recycling box, the recycling box is fixed at the bottom end of the first box body, and a rectangular feeding hole is formed in the middle of the top end of the recycling box.

The invention has the technical effects and advantages that: compared with the prior art, the selective laser melting device for processing the forming die has the following advantages that:

1. according to the automatic material scraping and paving device, the first servo motor drives the first lead screw to rotate, the first lead screw drives the moving block to move back and forth along the first lead screw, the moving block drives the mounting frame to move, piston rods of two cylinders on the mounting frame alternately extend out and descend, and the piston rods of the cylinders push the material scraping blocks to alternately ascend and descend, so that automatic material scraping and paving effects are realized, the structure is simple, and the operation is convenient;

2. according to the automatic powder feeding device, the second servo motor drives the second screw rod to rotate, the second screw rod drives the first lifting plate to move up and down, the first lifting plate drives the workbench to move up and down through the first connecting rod, meanwhile, the third servo motor drives the third screw rod to rotate, the third screw rod drives the second lifting plate to move up and down, and the second lifting plate drives the powder pushing plate to move up and down through the second connecting rod, so that powder is pushed out outwards, automatic material feeding is realized, the structure is simple, the operation is convenient, and the working efficiency is high.

Drawings

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

FIG. 2 is an enlarged view of the invention at A;

FIG. 3 is an enlarged view of the invention at B;

FIG. 4 is a rear side structural view of the present invention;

fig. 5 is a structure diagram of the powder scraping mechanism of the invention.

Reference numerals: 1. a first case; 2. a first fixing plate; 3. a first servo motor; 4. a first lead screw; 5. a second fixing plate; 6. a moving block; 7. a mounting frame; 8. a slider; 9. a chute; 10. a powder scraping mechanism; 101. a cylinder; 102. mounting a plate; 103. a scraper block; 104. a guide bar; 105. a first stopper; 106. chamfering with an arc; 11. a work table; 12. a lifting mechanism; 121. a second case; 122. a second servo motor; 123. a second lead screw; 124. a first separator; 125. a first lifting plate; 126. a first connecting rod; 127. a second limiting block; 13. a material loading platform; 14. an automatic powder supply mechanism; 141. installing a barrel; 142. a third servo motor; 143. a third screw rod; 144. a second separator; 145. a second lifting plate; 146. a second connecting rod; 147. a powder pushing plate; 148. a powder outlet; 149. a third limiting block; 15. a recycling bin; 16. and a rectangular feed inlet.

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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.

As shown in fig. 1-5, the invention provides a selective laser melting device for processing a forming mold, which comprises a first box body 1, a first fixing plate 2 is welded on one side of the rear end of the first box body 1, a first servo motor 3 is fixed on the first fixing plate 2 through bolts, a first lead screw 4 is fixed on the end part of an output shaft of the first servo motor 3, a second fixing plate 5 is rotatably connected on the end part of the first lead screw 4 far away from the first servo motor 3 through a bearing, the second fixing plate 5 is fixed on the rear side of the first box body 1, a moving block 6 is connected on the first lead screw 4 in a threaded transmission manner, a mounting frame 7 is welded on the side surface of the moving block 6, the mounting frame 7 is positioned on the inner rear side of the first box body 1, a slide block 8 is fixed in the middle of one end of the mounting frame 7 far away from the moving block 6, a chute 9 matched with the slide block 8 is arranged on the inner front side of the, the sliding block 8 slides in the sliding groove 9, and the mounting rack 7 is provided with a powder scraping mechanism 10;

the powder scraping mechanism 10 comprises air cylinders 101, the air cylinders 101 are provided with two symmetrical parts which are fixed on two sides of a mounting frame 7, mounting plates 102 are fixed on end portions of piston rods of the two air cylinders 101, scraping blocks 103 are fixed on lower end faces of the mounting plates 102, the two scraping blocks 103 are symmetrically arranged below the mounting frame 7, guide rods 104 are welded on two sides of an upper end face of the mounting plate 102, the guide rods 104 penetrate through the mounting frame 7 and extend to the upper side of the mounting frame to achieve the up-and-down sliding guide of the mounting plate 102, first limiting blocks 105 are fixed on end portions of the upper ends of the guide rods 104 to prevent the guide rods 104 from sliding out of the mounting frame 7 when the mounting plate 102 slides downwards, so that limiting and protecting effects are achieved, the scraping blocks 103 are arranged in an inclined mode, and arc chamfers 106 are arranged on outermost sides of lower ends;

a workbench 11 is arranged below the powder scraping mechanism 10, a lifting mechanism 12 is arranged on the lower side of the workbench 11, the lifting mechanism 12 comprises a second box body 121, the second box body 121 is fixed in the middle of the inside of the first box body 1, a second servo motor 122 is fixed at the bottom end of the inside of the second box body 121, a second lead screw 123 is fixed at the end part of an output shaft of the second servo motor 122, a first partition plate 124 is rotatably connected at the upper end part of the second lead screw 123 through a bearing, the first partition plate 124 is fixed in the middle of the inside of the second box body 121, a first lifting plate 125 is connected on the second lead screw 123 in a threaded transmission manner, first connecting rods 126 are welded at four angular positions on the upper end surface of the first lifting plate 125, the first connecting rods 126 penetrate through the first partition plate 124 and extend to the upper side, the workbench 11 is fixed at the upper end part of the first connecting rods 126, in order to avoid the first lifting plate 125 from colliding with the second servo motor 122 when moving downwards, a second limiting block 127 is arranged below the first lifting plate 125, and the second limiting block 127 is fixed on the lower side inside the second box 121 to play a role in limiting and protecting;

the lifting mechanism 12 is located in the middle of the inside of the first box body 1, a material loading platform 13 is arranged on one side of the workbench 11, the material loading platform 13 is fixed in the first box body 1, an automatic powder supply mechanism 14 is arranged at one end, far away from the material loading platform 13, of the workbench 11, the automatic powder supply mechanism 14 is located in the first box body 1, the automatic powder supply mechanism 14 comprises an installation barrel 141, the installation barrel 141 is fixed at the bottom end of the inside of the first box body 1, a third servo motor 142 is fixed at the bottom end of the inside of the installation barrel 141, a third lead screw 143 is fixed at the end part of an output shaft of the third servo motor 142, a second partition 144 is rotatably connected to the end part of the upper end of the third lead screw 143 through a bearing, the second partition 144 is fixed in the middle of the inside of the installation barrel 141, a second lifting plate 145 is connected to the third lead screw 143 in a threaded transmission manner, second connecting rods 146 are symmetrically fixed on two sides of the upper end surface of, the second connecting rod 146 penetrates through the second partition 144 and extends to the upper side, a powder pushing plate 147 is fixed at the end part of the upper end of the second connecting rod 146, the powder pushing plate 147 is positioned at the upper side inside the mounting barrel 141, a powder outlet 148 is formed in the middle of the top end of the mounting barrel 141, so that the second lifting plate 145 can not collide with the third servo motor 142 when sliding downwards, a third limiting block 149 is arranged below the second lifting plate 145, and the third limiting block 149 is fixed at the lower side inside the mounting barrel 141 and plays roles in limiting and protecting;

the one end that first box 1 kept away from and carried material platform 13 is provided with collection box 15, collection box 15 is fixed in the inside bottom of first box 1, rectangle feed inlet 16 has been seted up in the middle of the top of collection box 15, realizes avoiding extravagant to the recovery of unnecessary material powder.

The working principle is as follows: electric components of the device are powered by an external power supply, a first lead screw 4 is driven to rotate through a first servo motor 3, then the first lead screw 4 drives a moving block 6 to move back and forth along the first lead screw 4, and further the moving block 6 drives an installation frame 7 to move, piston rods of two air cylinders 101 on the installation frame 7 alternately stretch out and descend along with the back and forth movement of the installation frame 7, and then the piston rods of the air cylinders 101 push a scraping block 103 to alternately ascend and descend, so that the automatic scraping and spreading effects are realized, and meanwhile, redundant powder enters a recovery box 15 through a rectangular feed inlet 16, so that the raw material recovery is realized;

after the laser is used for processing the powder paved on the workbench 11, the second servo motor 122 drives the second lead screw 123 to rotate, the second lead screw 123 drives the first lifting plate 125 to move downwards, the first lifting plate 125 drives the workbench 11 to move downwards through the first connecting rod 126, meanwhile, the third servo motor 142 drives the third lead screw 143 to rotate, the third lead screw 143 drives the second lifting plate 145 to move upwards, the second lifting plate 145 drives the powder pushing plate 147 to move upwards through the second connecting rod 146, the powder pushing plate 147 pushes the powder out of the mounting barrel 141 through the powder outlet 148, and then the scraping block 103 lays the pushed powder on the workbench 11 under the driving of the moving block 6 and sequentially and circularly processes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.