CN220262023U - Formed part cooling device for selective laser sintering - Google Patents
Formed part cooling device for selective laser sintering Download PDFInfo
- Publication number
- CN220262023U CN220262023U CN202321044935.0U CN202321044935U CN220262023U CN 220262023 U CN220262023 U CN 220262023U CN 202321044935 U CN202321044935 U CN 202321044935U CN 220262023 U CN220262023 U CN 220262023U
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- cylinder
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- fixedly connected
- laser sintering
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- 238000001816 cooling Methods 0.000 title claims abstract description 60
- 238000000110 selective laser sintering Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000149 argon plasma sintering Methods 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000010583 slow cooling Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model relates to the field of additive manufacturing, in particular to a formed piece cooling device for selective laser sintering, which mainly comprises the following components: the device comprises a supporting frame, a forming workbench, a lifting cylinder, a movable formed part cooling bin and a positioning locking disc. The forming workbench and the lifting cylinder are fixedly arranged on the base of the supporting frame, the movable forming part cooling bin can freely move in the space, and the positioning locking disc is slidably arranged in the movable forming part cooling bin. The utility model can automatically send the parts in the processed forming cylinder and the detachable forming cylinder into the movable forming part cooling bin, and the machine can rapidly carry out a new round of laser sintering work after being installed into a new forming cylinder module, thereby avoiding the processing stagnation phenomenon caused by the traditional furnace cooling mode.
Description
Technical Field
The utility model relates to the field of additive manufacturing, in particular to a cooling device for a formed part for selective laser sintering.
Background
The 3D printing technology is an advanced manufacturing technology developed by multi-disciplinary fusion of new material technology, information technology and manufacturing technology in recent decades. Selective laser sintering technology, which is one of the most common modes of processing in the field of 3D printing, can be manufactured by means of computer-aided design, by which a powder material is melted by heating with a laser beam and sintered into a solid substance. Compared with the traditional manufacturing mode, the selective laser rapid forming technology has the remarkable advantages of high material utilization rate, short part design and processing period, high forming precision, wide application range, convenience in manufacturing complex parts and the like. At present, when the 3D printing equipment for selective laser sintering works, in order to ensure the precision and mechanical property of formed parts, the formed parts after processing usually need to be cooled slowly and can be taken out after long-time furnace cooling, so that the overall efficiency of a laser sintering machine is greatly reduced, and the device is not suitable for application scenes with continuous processing requirements.
In order to fully utilize the time of a forming part cooling process and improve the production efficiency of a machine in continuous processing, the utility model provides a forming part cooling device for selective laser sintering.
Disclosure of Invention
The utility model aims to provide a formed part cooling device for selective laser sintering, which can realize the slow cooling of a part outside a laser rapid forming machine after the part is machined, transfer a part cooling task from laser sintering equipment to a movable formed part cooling bin, and coordinate the two to cope with continuous machining production working conditions.
The aim of the utility model is achieved by the following technical scheme:
a cooling device for a formed part for selective laser sintering consists of a supporting frame, a forming workbench, a lifting cylinder, a movable formed part cooling bin and a positioning locking disc. The forming workbench and the lifting cylinder are fixedly arranged on the base of the supporting frame, the movable forming part cooling bin can freely move in the space, and the positioning locking disc is slidably arranged in the movable forming part cooling bin.
A shaping workbench of a shaping piece cooling device for selective laser sintering consists of a separable pneumatic lifting module, a movable shaping cylinder module, a limiting device, a powder supply cylinder and a powder recovery box. The separable pneumatic lifting module comprises a lifting cylinder connecting plate, an electromagnetic push rod mounting plate, an electromagnetic push rod and a forming cylinder bottom plate. The lifting cylinder connecting plate is fixedly connected to the electromagnetic push rod mounting plate, four electromagnetic push rods are fixedly mounted on the electromagnetic push rod mounting plate, the forming cylinder bottom plate is respectively in sliding connection with the movable forming cylinder and the electromagnetic push rods, the electromagnetic push rods are in a limit length state when not electrified, and the electromagnetic push rods shrink to be flush with the upper surface of the electromagnetic push rod mounting plate after the electrification so as to realize connection and separation of the pneumatic lifting module and the movable forming cylinder. The movable forming cylinder module comprises a movable forming cylinder and a horizontal movable pulley. The movable forming cylinder is connected with a forming cylinder bottom plate in a sliding manner, a forming part is provided with a processing and storage space by combining the forming cylinder bottom plate and the forming cylinder bottom plate, the movable forming cylinder is connected with a forming workbench in a horizontal sliding manner, four limiting holes are respectively arranged on the front side and the rear side of the movable forming cylinder, and four horizontal movable pulleys are respectively connected with the bottom of the movable forming cylinder in a sliding manner and can horizontally slide along a sliding groove on the forming workbench. The limiting device comprises eight zero positioning pins and limiting blocks, the zero positioning pins are divided into two groups, the limiting blocks are fixedly arranged on the front side and the rear side of the movable forming cylinder, one end of each limiting block is rotatably connected to the side face of the forming workbench, the other end of each limiting block is provided with a spring limiting pin, and the spring limiting pins are matched with limiting holes in the movable forming cylinder during operation to complete limiting operation of the movable forming cylinder. The powder supply cylinder is fixedly arranged on the right side of the movable forming cylinder and is used for providing powder materials for sintering work. The two powder recovery boxes are fixedly arranged on two sides of the powder supply cylinder and the movable forming cylinder and used for receiving residual powder.
A movable formed part cooling bin for a formed part cooling device for selective laser sintering comprises a slow cooling module, a horizontal driving module, a positioning locking device and a portable moving part. The slow cooling module consists of a control panel, a temperature control device, a bin body, an end cover and heating wires, wherein the control panel is fixedly arranged at the rear part of the bin body, the temperature control device is fixedly connected to the upper surface of the bin body, the end cover is rotationally connected with the bin body, and the two groups of heating wires are respectively fixedly embedded into the side wall of the bin body. The horizontal driving module consists of a driving motor, a linear guide rail and a ball screw linear module, wherein the driving motor is fixedly connected with the ball screw linear module, the linear guide rail and the ball screw linear module are respectively and fixedly connected to the upper side and the lower side of the inside of the cooling bin body of the movable forming part, and the sliding of the positioning locking disc in the inside of the bin body is realized. The positioning and locking device comprises a positioning sleeve, positioning and locking disc connecting plates, sliding guide rods, electromagnetic locking discs, pneumatic positioning discs, telescopic cylinders and cylinder air pipes, wherein the number of the positioning sleeve is eight, the positioning sleeve is divided into two groups, the positioning sleeve is fixedly arranged in a bin body and an end cover, the two positioning and locking disc connecting plates are fixedly connected with a linear guide rail sliding block and a sliding platform of a ball screw module respectively, the other ends of the positioning and locking disc connecting plates are fixedly connected to the back of the electromagnetic locking discs respectively, the four sliding guide rods are fixedly connected to telescopic cylinder rods respectively and are in sliding connection with the pneumatic positioning discs, the back of the electromagnetic locking discs are fixedly connected with two positioning and locking disc connecting plates, the electromagnetic locking discs are provided with strong magnetism when electrified, the electromagnetic locking discs are fixedly nested in the pneumatic positioning discs, the four telescopic cylinders are fixedly connected in the pneumatic positioning discs respectively, the cylinder air pipes are fixedly connected to the telescopic cylinders, the rapid positioning and locking functions of the movable forming cylinders are realized through the positioning locking discs, and the movable forming cylinders can be accurately and rapidly transferred from a forming workbench to a movable forming part cooling bin. The portable movable part comprises bearing wheels and an armrest frame, wherein the four bearing wheels are fixedly connected to the bottom of the movable formed part cooling bin body, and the armrest frame is fixedly arranged at the rear part of the movable formed part cooling bin body so as to realize free movement of the movable formed part cooling bin in space.
The forming part cooling device for selective laser sintering has the beneficial effects that:
the utility model uses the movable formed part cooling device to transfer the formed part slowly from the inside to the outside of the selective laser sintering equipment, thereby reducing the influence of the transfer process on formed parts, reducing the labor intensity of the work, solving the problem that the machine stops working for a long time due to the part cooling requirement in the traditional mode, effectively improving the integral efficiency of the selective laser sintering equipment when the parts are processed in batches while ensuring the forming precision and mechanical property of the parts, further shortening the cycle of the part production and delivery, and reducing the adverse effect brought by the long total forming cycle.
Drawings
FIG. 1 is a schematic view showing the overall structure of a cooling device for a formed article
FIG. 2 is a schematic view of a forming table
FIG. 3 is a schematic view of a limiting block structure
FIG. 4 is a schematic view of an electromagnetic push rod module structure
FIG. 5 is a schematic view showing the external structure of a cooling bin for movable molded parts
FIG. 6 is a schematic view showing the internal structure of the cooling chamber of the movable molded part
FIG. 7 is a schematic view of a positioning locking disk structure
In the figure: a support frame 1; a forming table 2; a powder supply cylinder 201; a movable forming cylinder 202; a powder recovery tank 203; zero point locating pin 204; a horizontal movement pulley 205; a stopper 206; a lifting cylinder connecting plate 207; an electromagnetic pushrod mounting plate 208; an electromagnetic push rod 209; a forming cylinder bottom plate 210; a lifting cylinder 3; a movable forming part cooling bin 4; a carrier wheel 401; a drive motor 402; a handrail frame 403; a control panel 404; a temperature control device 405; a bin 406; end cap 407; a positioning sleeve 408; a linear guide 409; positioning the locking plate connection plate 410; a heating wire 411; a ball screw linear module 412; positioning a locking disc 5; a slide guide 501; an electromagnetic locking plate 502; pneumatic positioning plate 503; a telescopic cylinder 504; cylinder air pipe 505
Detailed Description
Referring to fig. 1, 2, 3, 4 and 5, a process of disassembling a movable forming cylinder of a selective laser sintering device is shown, in the process of laser forming, a control panel 404 on a cooling bin 4 of a movable forming part controls a heating wire 411 to preheat the temperature in the bin to the heat preservation temperature required by a part after laser forming, a temperature control device 405 is started to preserve heat, after the selective laser sintering device finishes part machining, an electromagnetic push rod 209 and a lifting cylinder 3 on an electromagnetic push rod mounting plate 208 drive a forming cylinder bottom plate 210 to vertically descend to the lower limit position of the movable forming cylinder 202, an electromagnetic push rod 209 switch is opened, a lifting cylinder connecting plate 207, the electromagnetic push rod mounting plate 208, the electromagnetic push rod 209 and the lifting cylinder 3 are separated from the forming cylinder bottom plate 210, and descend to the lower limit position of the lifting cylinder 3. The eight limiting blocks 206 are rotated by 90 degrees, and the front spring pins are separated from the clamping grooves on the side surfaces of the movable forming cylinder 202, so that the limiting effect is not generated any more.
Referring to fig. 1, 2, 4, 5 and 6, the process of docking the movable forming part cooling bin with the movable forming cylinder on the selective laser sintering equipment is shown, the end cover 407 on the movable forming part cooling bin 4 is opened, the movable forming part cooling bin body 406 is close to the movable forming cylinder 202 through the bearing wheel 401 and aligned with the left side and the right side of the movable forming cylinder 202, the driving motor 402 on the ball screw linear module 412 is opened, the positioning locking disc 5 is driven to horizontally move by cooperating with the linear guide rail 409, the movable positioning disc 503 is gradually approaching the docking on the movable forming cylinder 202, the movable positioning disc 503 is contacted with the movable forming cylinder 202, and the driving motor 402 on the ball screw linear module 412 is closed. The telescopic lifting cylinder 504 in the pneumatic positioning plate 503 controls the switch to be turned on, the lifting cylinder air pipe 505 is ventilated, the telescopic lifting cylinder rod drives the sliding guide rod 501 to slide out of the pneumatic positioning plate 503, and the sliding guide rod is respectively in butt joint with four positioning holes on the back of the movable forming cylinder 202 to complete the positioning process. The electromagnetic locking disc 502 controls the switch to be opened, the movable forming cylinder 202 is adsorbed, and the positioning locking disc 5 is locked with the cylinder body of the movable forming cylinder 202.
Referring to fig. 1, 2 and 5, a switch of a driving motor 402 on a ball screw linear module 412 is turned on, the driving motor 402 is matched with a linear guide rail 409 to drive a positioning locking disc 5 to horizontally and reversely move, a horizontal moving pulley 205 at the bottom of a movable forming cylinder 202 drives a cylinder body to enter a movable forming part cooling bin 4 from a slideway on a forming workbench 2, after a zero positioning pin 204 at the back of the movable forming cylinder 202 is matched with a positioning sleeve 408 in a bin body 406, a driving motor 402 on the ball screw linear module 412 is stopped, a telescopic lifting cylinder 504 controls the switch to be turned off, a lifting cylinder air pipe 505 reversely ventilates, a telescopic lifting cylinder rod drives four sliding guide rods 501 to reset, an electromagnetic locking disc 502 controls the switch to be turned off, an end cover 407 of the movable forming part cooling bin 4 is closed, a control panel 404 is controlled to stop controlling a temperature control device 405 and heating of the heating wire 411, and a positioning sleeve 408 on the end cover and a positioning pin 204 on the front of the movable forming cylinder 202 are matched to finish fixing the movable forming part cooling bin 4, and the movable forming part cooling bin 401 is moved to a designated position under the action of a bearing part cooling bin 401.
The forming table 2 is loaded into the new movable forming cylinder 202 to perform a new round of laser sintering processing, the loading process can be automatically performed by the idle movable forming part cooling bin 4, and the loading process is opposite to the embodiment of the movable forming part cooling device, and is not repeated here, so that the mounting process can be quickly automated, the overall production processing efficiency is further improved, and the labor intensity of the work is reduced.
The foregoing description of the preferred embodiment of the present application is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the utility model. The last points to be described are: in the description of the present application, it should be noted that, up, down, left, right, and the like are only used to represent a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed; in the drawings of the embodiments disclosed in the present application, only the structures related to the embodiments disclosed in the present application are referred to as general designs, and the same embodiment and different embodiments of the present application may be combined with each other without conflict.
Claims (7)
1. The utility model provides a forming piece cooling device for selective laser sintering, includes support frame (1), shaping workstation (2), lift cylinder (3), portable forming piece cooling bin (4), location locking dish (5), its characterized in that: the forming workbench (2) and the lifting cylinder (3) are fixedly arranged on a base of the supporting frame (1), the movable forming part cooling bin (4) can freely move in space, a positioning locking disc (5) is arranged in the movable forming part cooling bin, the movable forming cylinder (202) is connected to the forming workbench (2) in a sliding manner, a forming cylinder bottom plate (210) is connected to the movable forming cylinder (202) in a sliding manner, the forming workbench and the forming cylinder bottom plate provide processing and storage space for forming parts in a combined manner, the movable forming part cooling bin (4) is formed by eight bearing wheels (401), a driving motor (402), a handrail frame (403), a control panel (404), a temperature control device (405), a bin body (406), an end cover (407), a positioning sleeve (408), a linear guide rail (409), a positioning locking disc connecting plate (410), heating wires (411) and a ball screw linear module (412), the four bearing wheels (401) are fixedly connected to the bottom of the movable forming part cooling bin body (406) and the movable forming part cooling bin body (403) and the control panel (404) in a rotating manner, temperature control device (405) fixed connection is in the upper surface of portable shaping spare cooling storehouse (4), and two sets of heater strips (411) are fixed respectively to be inlayed in storehouse body (406) lateral wall, and driving motor (402) and ball straight line module (412) rigid coupling, linear guide (409) and ball straight line module (412) are fixed mounting respectively in the inside upper and lower both sides of portable shaping spare cooling storehouse body (406), realize the slip of location locking dish (5) in the cylinder body.
2. A shaped piece cooling device for selective laser sintering according to claim 1, wherein:
four limiting blocks (206) are respectively arranged on the front and the back of the forming workbench (2), one end of each limiting block is fixedly connected with the side face of the forming workbench (2), and the spring limiting pin at the other end can rotate.
3. A shaped piece cooling device for selective laser sintering according to claim 1, wherein:
four zero positioning pins (204) are fixedly connected to the front and rear surfaces of the outer part of the movable forming cylinder (202), and four horizontal moving pulleys (205) are rotatably connected to the bottom.
4. A shaped piece cooling device for selective laser sintering according to claim 1, wherein:
the electromagnetic push rod mounting plate (208) is fixedly connected to the lower portion of the forming cylinder bottom plate (210), four electromagnetic push rods (209) are fixedly connected to the electromagnetic push rod mounting plate, the electromagnetic push rods (209) are in sliding connection with the forming cylinder bottom plate (210), the electromagnetic push rod mounting plate (208) is fixedly connected with the lifting cylinder connecting plate (207), and the lifting cylinder connecting plate (207) is fixedly connected with the lifting cylinder (3).
5. A shaped piece cooling device for selective laser sintering according to claim 4, wherein:
the electromagnetic push rod (209) is in a limit length state when not electrified, and the electromagnetic push rod (209) is contracted to be flush with the upper surface of the electromagnetic push rod mounting plate (208) after the electrification.
6. A shaped piece cooling device for selective laser sintering according to claim 1, wherein:
the positioning locking disc (5) comprises four sliding guide rods (501), electromagnetic locking discs (502), pneumatic positioning discs (503), telescopic air cylinders (504) and air cylinder air pipes (505), wherein the sliding guide rods (501) are fixedly connected to the air cylinder rods of the telescopic air cylinders (504) respectively and are in sliding connection with the pneumatic positioning discs (503), the electromagnetic locking discs (502) are fixedly nested in the pneumatic positioning discs (503), the four telescopic air cylinders (504) are fixedly connected to the pneumatic positioning discs (503) respectively, and the air cylinder air pipes (505) are fixedly connected to the telescopic air cylinders (504).
7. A shaped piece cooling device for selective laser sintering according to claim 6, wherein:
two positioning locking disc connecting plates (410) are fixedly connected to the back of the electromagnetic locking disc (502), and the electromagnetic locking disc (502) has strong magnetism and can adsorb the movable forming cylinder (202) when the electromagnetic locking disc is electrified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044935.0U CN220262023U (en) | 2023-05-05 | 2023-05-05 | Formed part cooling device for selective laser sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044935.0U CN220262023U (en) | 2023-05-05 | 2023-05-05 | Formed part cooling device for selective laser sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220262023U true CN220262023U (en) | 2023-12-29 |
Family
ID=89298056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321044935.0U Active CN220262023U (en) | 2023-05-05 | 2023-05-05 | Formed part cooling device for selective laser sintering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220262023U (en) |
-
2023
- 2023-05-05 CN CN202321044935.0U patent/CN220262023U/en active Active
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