CN219076550U - Powder cleaning device for selective laser sintering - Google Patents
Powder cleaning device for selective laser sintering Download PDFInfo
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- CN219076550U CN219076550U CN202320980443.6U CN202320980443U CN219076550U CN 219076550 U CN219076550 U CN 219076550U CN 202320980443 U CN202320980443 U CN 202320980443U CN 219076550 U CN219076550 U CN 219076550U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a clear powder device for selective laser sintering, belongs to 3D printing apparatus field, mainly includes seal box, sealing door, retrieves end cover, round mouth gas nozzle supporting seat, round mouth gas nozzle, flat mouth gas nozzle supporting seat, tongs mechanism, linkage, round tray, elevator motor, rotating electrical machines, lead screw nut, suspension base, reducing joint, L pipe, waste powder collecting box, dust catcher etc.. The round mouth gas nozzle at the top of the inner side of the sealing box and the flat mouth gas nozzles on the two side walls of the inner side of the sealing box are used for blowing and cleaning powder to the powder cleaning piece to be cleaned on the round tray together, the gripper mechanism arranged on the upper part of the round tray can clamp the powder cleaning piece to be cleaned, the round tray can automatically rotate and move up and down under the action of components such as a lifting motor, a rotating motor, a screw rod nut and a hanging base, powder attached to the surface of the powder cleaning piece can be blown off at different angles, waste powder can be automatically recovered, and the damage of dust to an operator is reduced.
Description
Technical Field
The utility model particularly relates to a powder cleaning device for selective laser sintering, and belongs to the field of 3D printing equipment.
Background
The selective laser sintering technology (Selective Laser Sintering, SLS) is a forming mode of additive manufacturing, and compared with the traditional processing and manufacturing method, the method has the advantages of wide sintering materials, no need of support, high material utilization rate, high forming speed and the like, and can be rapidly developed at home and abroad. However, in the practical application process, a large amount of powder is adhered to the surface of the sintered part after laser sintering, so that the research on the powder cleaning technology is relatively abundant at home and abroad at present, and the powder cleaning technology is mainly aimed at the research on the powder cleaning characteristics of the powder cleaning device and the flow field analysis in the powder cleaning device, so that in order to obtain a better powder cleaning effect, a plurality of technology compounding modes are adopted for cleaning, and not only can pretreatment modes such as agglomeration and the like be adopted for strengthening the powder cleaning effect.
When the powder to be cleaned is taken out from the selective laser sintering equipment, a large amount of powder is adhered to the surface of the powder to be cleaned, and at present, most of the powder on the surface of the powder to be cleaned is cleaned by using a brush, so that a large amount of dust is dispersed in the air, and the dust enters into the respiratory tract of a human body and can be contacted with the skin and eyes to generate certain harm; the glove box can also be used, but manual operation is needed, and the problems of inconvenient operation and the like exist when the powder in the glove box is cleaned and recovered.
Disclosure of Invention
Aiming at the situation, the utility model provides a powder cleaning device for selective laser sintering, which aims to realize automation in the powder cleaning process, reduce the harm of powder dust to human bodies and automatically recover waste powder in order to overcome the defects of the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a selective laser sintering is with clear powder device, includes seal box, elevator motor base, shaft coupling, linkage, round mouth gas nozzle supporting seat, flat mouth gas nozzle supporting seat, tongs mechanism, round tray, coarse screen cloth, adapter, L pipe, waste powder collecting box, dust catcher, seal felt, sealing door, retrieve end shield, tracheal joint, connecting axle sleeve, be provided with the sealing door on the seal box, be provided with the seal felt between seal box and the sealing door, the outside top of seal box is provided with the elevator motor base through the bolt, be provided with elevator motor through the bolt on the elevator motor base, install the shaft coupling on the elevator motor, the seal box bottom is provided with retrieves end shield, retrieve end shield lower part has the adapter through threaded connection, the inside of the large-caliber end of the adapter is adhered with a coarse screen, one end of the L-shaped pipe is connected with the adapter through threads, the other end of the L-shaped pipe is connected with the left side interface of the waste powder collecting box through threads, the right side interface of the waste powder collecting box is connected with a dust collector through threads, the upper wall of the inside of the sealing box is provided with a hanging device through bolts, the hanging device is connected with a round tray at the lower part through a connecting shaft sleeve, the round tray is provided with a grabbing mechanism, a plurality of powder falling through holes are formed in the round tray, the top of the sealing box is provided with a round mouth gas nozzle supporting seat through bolts, the lower part of the round mouth gas nozzle supporting seat is connected with a round mouth gas nozzle through threads, the upper part of the round mouth gas nozzle supporting seat is connected with a gas pipe joint through threads, the inner side wall of the sealing box is provided with a flat mouth gas nozzle supporting seat through bolts, the flat-mouth gas nozzle support seat is connected with a flat-mouth gas nozzle through threads, and an air pipe joint is connected to the end face, close to one side of the wall surface of the box, of the flat-mouth gas nozzle support seat through threads.
As a further scheme of the utility model, the suspension device comprises a suspension base, an optical axis sliding block, an optical axis, a nut, a rotating motor, a screw nut and a screw rod, wherein the rotating motor is arranged on the suspension base through bolts, the optical axis sliding block and the screw nut are respectively arranged on two side plates of the suspension base through bolts, the optical axis sliding block can slide on the optical axis, the upper end of the optical axis is fixed on a sealing box, the lower end of the optical axis is provided with the nut, the screw nut is in threaded connection with the screw rod, the lower end of the screw rod is provided with the nut, the upper end of the screw rod is fixedly connected with a lifting motor through a coupler, the lifting motor can drive the suspension device to move up and down, and the rotating motor in the suspension device can drive the round tray to rotate.
As a further scheme of the utility model, the gripper mechanism is provided with a gripper fixing disc, a buffer elastic block, a first elastic gripper, a second elastic gripper and a spring, wherein the gripper fixing disc is fixedly connected with the connecting shaft sleeve, the buffer elastic block is arranged between the first elastic gripper and the second elastic gripper, the spring is arranged between the first elastic gripper and the gripper fixing disc, and the spring is also arranged between the second elastic gripper and the gripper fixing disc.
As a further scheme of the utility model, the round mouth gas nozzle and the round mouth gas nozzle support seat are provided with four groups.
As a further scheme of the utility model, the flat-mouth gas nozzle and the flat-mouth gas nozzle support seat are arranged in two groups, and the flat-mouth gas nozzle support seat are horizontally arranged.
As a further aspect of the present utility model, a coarse screen is bonded to the inside of the large diameter end of the adapter, and the coarse screen is capable of passing powder but not large-sized powder pieces.
As a further scheme of the utility model, when the waste powder collecting box is horizontally placed, the lower left end is connected with the L-shaped pipe, and the higher right end is connected with the dust collector.
As a further aspect of the present utility model, the screw and the nut disposed at one end of the optical axis have a function of preventing the components such as the round tray from falling off.
The beneficial effects of the utility model are as follows:
the powder on the surface of the sintered part can be automatically cleaned without manual participation, and the waste powder can be automatically recovered, so that the pollution to the air and the injury to operators are reduced.
Drawings
FIG. 1 is an isometric view of a powder cleaning apparatus of the present utility model;
FIG. 2 is an enlarged view of a portion of the lift motor, lift motor base, and coupling of the present utility model;
FIG. 3 is an isometric view of a portion of the assembly of the powder cleaning apparatus of the present utility model;
FIG. 4 is a cross-sectional view of the gripper mechanism of the present utility model;
FIG. 5 is an isometric view of a circular port gas nozzle of the present utility model;
FIG. 6 is an isometric view of a flat-mouth gas nozzle of the present utility model;
in the drawings, the reference numerals and corresponding part names:
1-seal box, 2-lifting motor, 3-lifting motor base, 4-coupling, 5-hanging device, 5.1-hanging base, 5.2-optical axis sliding block, 5.3-optical axis, 5.4-nut, 5.5-rotating motor, 5.6-screw nut, 5.7-screw, 6-round mouth gas nozzle, 7-round mouth gas nozzle supporting seat, 8-flat mouth gas nozzle, 9-flat mouth gas nozzle supporting seat, 10-gripper mechanism, 10.1-gripper fixed disc, 10.2-buffer elastic block, 10.3-first elastic gripper, 10.4-second elastic gripper, 10.5-spring, 11-round tray, 11.1-powder falling through hole, 12-coarse screen, 13-rotating diameter joint, 14-L-type pipe, 15-waste powder collecting box, 16-dust collector, 17-sealing door, 18-sealing door, 19-recycling bottom cover, 20-air pipe joint and 21-connecting shaft sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model clear, specific embodiments of the present utility model will be described with reference to fig. 1 to 5, and the exemplary embodiments of the present utility model and the description thereof are only for explaining the present utility model, and are not limiting the present utility model.
A powder cleaning device for selective laser sintering comprises a sealed box 1, a lifting motor 2, a lifting motor base 3, a coupler 4, a suspension device 5, a suspension base 5.1, an optical axis sliding block 5.2, an optical axis 5.3, a nut 5.4, a rotating motor 5.5, a screw nut 5.6, a screw 5.7, a round mouth gas nozzle 6, a round mouth gas nozzle supporting seat 7, a flat mouth gas nozzle 8, a flat mouth gas nozzle supporting seat 9, a gripper mechanism 10, a gripper fixing disc 10.1, a buffer elastic block 10.2, a first elastic gripper 10.3, a second elastic gripper 10.4, a spring 10.5, a round tray 11, a powder falling through hole 11.1, a coarse screen 12, a rotary joint 13, an L-shaped pipe 14, a waste powder collecting box 15, a dust collector 16, a sealing felt 17, a sealing door 18, a recycling bottom cover 19, a gas pipe joint 20 and a connecting shaft sleeve 21, the sealing box 1 is provided with a sealing door 18, a round mouth gas nozzle 6, a round mouth gas nozzle supporting seat 7, a flat mouth gas nozzle 8, a flat mouth gas nozzle supporting seat 9 and a hanging device 5 are arranged in the sealing box 1, the top of the outer side of the sealing box 1 is provided with a lifting motor base 3 and a lifting motor 2, the lower part of the seal box 1 is provided with a recovery bottom cover 19, the lower part of the recovery bottom cover 19 is provided with a rotary joint 13, the lower part of the rotary joint 13 is provided with an L-shaped pipe 14, the right end of the L-shaped pipe 14 is connected with an interface at the lower part of the left end of the waste powder collecting box 15, and an interface at the higher part of the right end of the waste powder collecting box 15 is connected with a dust collector 16.
The circular-mouth gas nozzle support seat 7 is characterized in that the threaded interface is 45 degrees downwards from the horizontal direction, the circular-mouth gas nozzles 6 are six circular-mouth nozzles and are distributed in an annular shape, and the gas spraying direction of the circular-mouth gas nozzles 6 is concentrated to the powder to be cleaned of the circular tray 11, so that the function of blowing powder above the powder to be cleaned is realized.
The flat-mouth gas nozzle 8 is horizontally arranged on two inner side walls of the sealing box 1, the flat-mouth gas nozzle 8 is in a straight shape, the nozzle air outlet direction of the flat-mouth gas nozzle 8 is in a horizontal direction, and blown gas can radiate the whole powder to be cleaned as much as possible, so that the function of blowing powder in the horizontal direction of the powder to be cleaned is realized.
The circular-mouth gas nozzle support seat 7 and the flat-mouth gas nozzle support seat 9 are respectively provided with a gas pipe joint 20 through threads, and can be used for connecting the circular-mouth gas nozzle support seat 7 and the flat-mouth gas nozzle support seat 9 with an external gas supply device.
The suspension device 5 comprises a suspension base 5.1, an optical axis sliding block 5.2, an optical axis 5.3, a nut 5.4, a rotating motor 5.5, a screw nut 5.6 and a screw 5.7, wherein the optical axis sliding block 5.2 and the screw nut 5.6 are respectively arranged at two ends of the suspension base 5.1, the optical axis sliding block 5.2 and the screw nut 5.6 are respectively provided with the optical axis 5.3 and the screw 5.7, one end of the optical axis 5.3 is provided with the nut 5.4, the other end of the optical axis is fixed on the seal box 1, one end of the screw 5.7 is provided with the nut 5.4, the other end of the screw is fixedly connected with the lifting motor 2 through a coupler 4, the lifting motor 2 is arranged on the lifting motor base 3 through a bolt, the lifting motor base 3 is arranged on the seal box 1 through a bolt, and the rotating motor 5.5 is fixedly connected with the round tray 11 through a connecting shaft sleeve 21.
The round tray 11 is provided with a gripper mechanism 10, the gripper mechanism comprises a gripper fixing disc 10.1, a buffer elastic block 10.2, a first elastic gripper 10.3, a second elastic gripper 10.4 and a spring 10.5, the first elastic gripper 10.3 and the second elastic gripper 10.4 are elastic and elastic, the spring 10.5 is clamped in a round hole between the first elastic gripper 10.3 and the gripper fixing disc 10.1, the spring 10.5 is clamped in a round hole between the second elastic gripper 10.4 and the gripper fixing disc 10.1, the buffer elastic block 10.2 is arranged between the first elastic gripper 10.3 and the second elastic gripper 10.4, the force generated by the springs 10.5 at two sides can be buffered, and the gripper mechanism 10 is provided with four pairs of elastic grippers, so that a powder cleaning piece can be firmly gripped, and the powder cleaning piece can be prevented from falling under the condition of air blowing.
Advantageously, the recycling bottom cover 19 is funnel-shaped and has a very smooth inner surface, ensuring that the powder can automatically fall down; the large-caliber end of the adapter 13 is adhered with a coarse screen 12, and the coarse screen 12 can selectively pass through powder to leave larger powder blocks.
Advantageously, the dust collector 16 is installed on the right side of the waste powder collecting box 15, and provides suction force for the space formed by the sealing box and the sealing door, so that the powder is collected in the waste powder collecting box 15.
Advantageously, the sealing felt 17 is stuck on the contact part of the sealing box 1 and the sealing door 18, which plays a sealing role and prevents powder from leaking into the air.
The utility model relates to a powder cleaning device for selective laser sintering, which comprises the following working procedures:
a sealed space is formed by a sealed box 1, a sealed door 18 and a recovery bottom cover 19, powder to be cleaned is placed on a round tray 11, a first elastic gripper 10.3 and a second elastic gripper 10.4 on a gripper mechanism 10 are clamped and fixed, a round-mouth gas nozzle 6 positioned at the inner top of the sealed box 1 and flat-mouth gas nozzles 8 positioned on two inner side walls of the sealed box 1 blow the powder to be cleaned on the round tray 11 together, waste powder can fall off through a powder falling through hole 11.1, the powder to be cleaned placed on the round tray 11 can automatically rotate and move up and down under the action of components such as a hanging device 5, the gripper mechanism 10, a lifting motor 2, a lifting motor base 3 and the like, powder attached to the surface of the powder to be cleaned is blown off at different angles, attractive force is provided by a dust collector 16, and the powder enters a waste powder collecting box 15 through the recovery bottom cover 19, a rotating joint 13 and an L-shaped pipe 14.
Claims (6)
1. The utility model provides a selective laser sintering is with clear powder device, including seal box (1), lift motor (2), lift motor base (3), shaft coupling (4), linkage (5), round mouth gas nozzle (6), round mouth gas nozzle supporting seat (7), flat mouth gas nozzle (8), flat mouth gas nozzle supporting seat (9), grab hand mechanism (10), round tray (11), coarse screen (12), rotating diameter joint (13), L type pipe (14), waste powder collecting box (15), dust catcher (16), seal felt (17), sealing door (18), retrieve end cover (19), tracheal joint (20), connecting axle sleeve (21), be provided with sealing door (18) on seal box (1), be provided with sealing felt (17) between seal box (1) and sealing door (18), seal box (1) outside top is provided with lift motor base (3) through the bolt, be provided with lift motor (2) on lift motor base (3) through the bolt, install shaft coupling (4) on lift motor (2), seal box (1) bottom is provided with end cover (19) through screw thread portion (19), the inside of large-caliber one end of the adapter (13) is adhered with a coarse screen (12), one end of the L-shaped pipe (14) is connected with the adapter (13) through threads, the other end of the L-shaped pipe is connected with the left side interface of the waste powder collecting box (15) through threads, the right side interface of the waste powder collecting box (15) is connected with the dust collector (16) through threads, the vacuum cleaner is characterized in that the hanging device (5) is arranged on the inner upper wall of the sealing box (1) through bolts, the hanging device (5) is connected with the round tray (11) at the lower part through the connecting shaft sleeve (21), the round tray (11) is provided with the gripper mechanism (10), a plurality of powder falling through holes (11.1) are formed in the round tray (11), a round mouth gas nozzle supporting seat (7) is arranged at the inner top of the sealing box (1) through bolts, a round mouth gas nozzle (6) is connected to the lower part of the round mouth gas nozzle supporting seat (7) through threads, an air pipe joint (20) is connected to the upper part of the round mouth gas nozzle supporting seat (7) through threads, a flat mouth gas nozzle supporting seat (9) is arranged on the inner side wall of the sealing box (1) through bolts, a flat mouth gas nozzle (8) is connected to the flat mouth gas nozzle supporting seat (9) through threads, an air pipe joint (20) is connected to the end face, close to one side of the wall surface of the box, of the flat-mouth gas nozzle supporting seat (9) through threads.
2. The selective laser sintering powder cleaning device according to claim 1, wherein the suspension device (5) comprises a suspension base (5.1), an optical axis sliding block (5.2), an optical axis (5.3), a nut (5.4), a rotating motor (5.5), a screw nut (5.6) and a screw (5.7), the rotating motor (5.5) is mounted on the suspension base (5.1) through bolts, the optical axis sliding block (5.2) and the screw nut (5.6) are respectively arranged on two side plates of the suspension base (5.1) through bolts, the optical axis sliding block (5.2) can slide on the optical axis (5.3), the upper end of the optical axis (5.3) is fixed on the sealing box (1), the lower end of the optical axis is provided with the nut (5.4), the screw nut (5.6) is in threaded connection with the screw (5.7), the upper end of the screw nut (5.4) is fixedly connected with the lifting motor (2) through a coupler (4), and the lifting motor (2) can drive the suspension device (5.11) to rotate.
3. The powder cleaning device for selective laser sintering according to claim 1, wherein a gripper fixing disc (10.1), a buffer elastic block (10.2), a first elastic gripper (10.3), a second elastic gripper (10.4) and a spring (10.5) are arranged on the gripper mechanism (10), the gripper fixing disc (10.1) is fixedly connected with the connecting shaft sleeve (21), the buffer elastic block (10.2) is arranged between the first elastic gripper (10.3) and the second elastic gripper (10.4), the spring (10.5) is arranged between the first elastic gripper (10.3) and the gripper fixing disc (10.1), and the spring (10.5) is further arranged between the second elastic gripper (10.4) and the gripper fixing disc (10.1).
4. A selective laser sintering powder cleaning device according to claim 1, characterized in that the round mouth gas nozzle (6) and the round mouth gas nozzle support seat (7) are provided with four groups.
5. The powder cleaning device for selective laser sintering according to claim 1, wherein the flat-mouth gas nozzle (8) and the flat-mouth gas nozzle support seat (9) are arranged in two groups, and the flat-mouth gas nozzle (8) and the flat-mouth gas nozzle support seat (9) are horizontally arranged.
6. The powder cleaning device for selective laser sintering according to claim 1, wherein the waste powder collecting box (15) is horizontally placed, and the lower left end is connected with the L-shaped pipe (14) and the higher right end is connected with the dust collector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320980443.6U CN219076550U (en) | 2023-04-27 | 2023-04-27 | Powder cleaning device for selective laser sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320980443.6U CN219076550U (en) | 2023-04-27 | 2023-04-27 | Powder cleaning device for selective laser sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219076550U true CN219076550U (en) | 2023-05-26 |
Family
ID=86393834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320980443.6U Active CN219076550U (en) | 2023-04-27 | 2023-04-27 | Powder cleaning device for selective laser sintering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219076550U (en) |
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2023
- 2023-04-27 CN CN202320980443.6U patent/CN219076550U/en active Active
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