CN111070690A - 3D prints finished product cooling device - Google Patents
3D prints finished product cooling device Download PDFInfo
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- CN111070690A CN111070690A CN201911341913.9A CN201911341913A CN111070690A CN 111070690 A CN111070690 A CN 111070690A CN 201911341913 A CN201911341913 A CN 201911341913A CN 111070690 A CN111070690 A CN 111070690A
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- finished product
- water
- cooling device
- supporting plate
- bolt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/379—Handling of additively manufactured objects, e.g. using robots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Robotics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a 3D printing finished product cooling device which comprises a base, a rotating assembly, a lifting assembly and a cooling assembly, wherein the rotating assembly is arranged on the base; the lifting assembly comprises an annular cover, a connecting plate and an electric push rod, the connecting plate is mounted at the upper end of the electric push rod through a bolt, and the electric push rod is mounted at the center of the upper part of the base through a bolt; the rotating assembly comprises a motor, a supporting rod, a rotating bearing and a supporting plate, the cooling assembly comprises a water tank and a water pump, a cavity is formed in the supporting plate, a water inlet pipe is communicated with the lateral portion of the supporting plate, a water outlet pipe is communicated with the lateral portion of the supporting plate close to the water inlet pipe, one end, far away from the supporting plate, of the water inlet pipe is communicated with the water pump, and the water pump is communicated with the water tank through a water pumping pipe. The cooling device can rotate the finished product, is convenient for cooling each surface of the finished product, can lift the finished product, can enable the finished product to be closer to the heat dissipation equipment, can effectively improve the heat dissipation efficiency and shorten the cooling time.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing finished product cooling device.
Background
3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. A three-dimensional printer, also called a three-dimensional printer, is a rapid molding process, a three-dimensional model is manufactured layer by layer in a layer-by-layer stacking mode, the operation process of the three-dimensional printer is similar to that of a traditional printer, except that the traditional printer prints ink on paper to form a two-dimensional plane drawing, and the three-dimensional printer realizes layer-by-layer stacking and overlapping of liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials to form a three-dimensional entity in a binder spraying or extruding mode.
Current 3D prints the finished product and need cool down the finished product after printing the completion, and the heat sink that current finished product cooling used, and cooling efficiency is low, influences processing, reduces work efficiency to can not rotate the lift to the finished product, the heat sink that is close to that can not be better influences cooling efficiency.
Disclosure of Invention
The invention aims to provide a 3D printing finished product cooling device, which can rotate a finished product, is convenient for cooling each surface of the finished product, can lift the finished product, can enable the finished product to be closer to heat dissipation equipment, can effectively improve the heat dissipation efficiency, and shortens the cooling time, so as to solve the problems in the prior art in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D printing finished product cooling device comprises a base, a rotating assembly, a lifting assembly and a cooling assembly;
the lifting assembly comprises an annular cover, a connecting plate and an electric push rod, the connecting plate is mounted at the upper end of the electric push rod through a bolt, the electric push rod is mounted at the central position of the upper part of the base through a bolt, a guide groove is formed in the inner wall of the annular cover, a guide block is fixedly welded on the side part of the connecting plate, the guide block is slidably mounted in the guide groove, and the annular cover is mounted on the base through a bolt;
the rotating assembly comprises a motor, a supporting rod, a rotating bearing and a supporting plate, the rotating bearing is installed at the central position of the upper portion of the supporting plate, the supporting rod is fixedly inserted in an inner ring of the rotating bearing, a gear ring is fixedly sleeved on the outer wall of the supporting rod, a gear is connected to a rotating shaft of the motor in a key mode, the gear ring is meshed with the gear, the motor is installed on a connecting plate through a fixing seat, the central position of the bottom of the supporting plate is fixedly welded to one end, far away from the rotating bearing, of the supporting rod, and the bottom of the supporting plate is connected with the upper portion of;
the cooling module includes water tank and water pump, the inside of backup pad is provided with the cavity, the lateral part intercommunication of backup pad has the inlet tube, the lateral part intercommunication that the backup pad closes on the inlet tube has the outlet pipe, the one end that the backup pad was kept away from to the inlet tube is linked together with the water pump, the water pump is linked together through drinking-water pipe and water tank.
Preferably, the inner wall of guide way and the lateral wall clearance sliding fit of guide block, and the clearance is not more than 0.01mm, the guide block sets up to the shape of chinese character' tu guide block.
Preferably, the side part of the annular cover is provided with a through hole for passing an electric wire, and the annular cover and the support plate are a stainless steel annular cover and a stainless steel support plate.
Preferably, the motor is a forward and reverse rotation motor, and the rotating bearing is welded and fixed at the center of the upper part of the connecting plate.
Preferably, the fixing seat is installed on the connecting plate through a bolt, and the motor is installed on the fixing seat through a bolt.
Preferably, the lateral part of the water tank is communicated with a water supply pipe, the lateral part of the water tank is communicated with a water discharge pipe, the water supply pipe is positioned at the upper part of the water discharge pipe, ball valves are respectively arranged on the water inlet pipe and the water outlet pipe, and radiating fins are welded and fixed on the lateral wall of the water tank.
Preferably, a support is welded and fixed on the base, a connecting sheet is welded and fixed on the support, and the connecting sheet is fixedly connected with the fan through bolts.
Preferably, the inlet tube and the outlet pipe are both set to redundant pipes, and the inlet tube and the outlet pipe are rubber hoses.
The invention has the technical effects and advantages that: compared with the prior art, the 3D printing finished product cooling device provided by the invention has the following advantages:
by using the lifting assembly, when a finished product is cooled, the electric push rod is opened to push the connecting plate to lift along the guide groove, so that the supporting plate can be lifted, the finished product is convenient to be closer to the fan, the cooling time is favorably shortened, and the cooling effect is improved;
through the use of the rotating assembly, the motor is started to drive the gear to rotate, the gear ring meshed with the gear is driven to rotate through the rotation of the gear, so that the supporting rod is driven to rotate in the rotating bearing, the supporting plate can be driven to rotate, a finished product placed on the supporting plate can be driven to rotate, each surface of the finished product is in contact with cold air generated by the fan, and the cooling effect is improved;
through cooling module's use, through opening the water pump, can introduce the cavity of backup pad with the water tank normal water in, can cool off placing finished product in the backup pad, and the water in the cavity is in following the cavity and flowing into the water tank, can recycle the water in the water tank and cool off the finished product, can effectual improvement radiating efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top cross-sectional view of a support plate of the present invention;
FIG. 3 is an enlarged cross-sectional view of part A of FIG. 1 according to the present invention;
FIG. 4 is a schematic top view of the annular shroud of the present invention.
In the figure: 1. a base; 2. a rotating assembly; 3. a lifting assembly; 4. a cooling assembly; 5. an annular shroud; 6. a connecting plate; 7. an electric push rod; 8. a guide groove; 9. a guide block; 10. a motor; 11. a support bar; 12. a rotating bearing; 13. a support plate; 14. a ring gear; 15. a gear; 16. a fixed seat; 17. a water tank; 18. a water pump; 19. a cavity; 20. a water inlet pipe; 21. a water outlet pipe; 22. a water pumping pipe; 23. a through hole; 24. a water supply pipe; 25. a drain pipe; 26. a ball valve; 27. a heat sink; 28. a support; 29. connecting sheets; 30. a fan.
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.
The invention provides a 3D printing finished product cooling device as shown in figures 1-4, which comprises a base 1, a rotating assembly 2, a lifting assembly 3 and a cooling assembly 4;
the lifting component 3 comprises an annular cover 5, a connecting plate 6 and an electric push rod 7, the connecting plate 6 is mounted at the upper end of the electric push rod 7 through a bolt, the electric push rod 7 is mounted at the upper central position of the base 1 through a bolt, a guide groove 8 is formed in the inner wall of the annular cover 5, a guide block 9 is welded and fixed on the lateral part of the connecting plate 6, the guide block 9 is slidably mounted in the guide groove 8, the annular cover 5 is mounted on the base 1 through a bolt, the inner wall of the guide groove 8 is in clearance sliding fit with the lateral wall of the guide block 9, the clearance is not more than 0.01mm, the guide block 9 is arranged to be a convex-shaped guide block, a through hole 23 for an electric wire to pass through is formed in the lateral part of the annular cover 5, the annular cover 5, a bracket 28 is fixedly welded on the base 1, a connecting sheet 29 is fixedly welded on the bracket 28, the connecting sheet 29 is fixedly connected with a fan 30 through a bolt, and when a finished product is cooled through the use of the lifting component 3, the electric push rod 7 is opened to push the connecting sheet 6 to lift along the guide groove 8, so that the supporting plate 13 can be lifted, the finished product is convenient to be closer to the fan 30, the cooling time is favorably shortened, and the cooling effect is improved;
the rotating assembly 2 comprises a motor 10, a support rod 11, a rotating bearing 12 and a support plate 13, the rotating bearing 12 is installed at the upper central position of the support plate 13, the support rod 11 is fixedly inserted in an inner ring of the rotating bearing 12, a gear ring 14 is fixedly sleeved on the outer wall of the support rod 11, a gear 15 is connected to a rotating shaft of the motor 10 in a key manner, the gear ring 14 is connected with the gear 15 in a meshing manner, the motor 10 is installed on a connecting plate 6 through a fixing seat 16, the bottom central position of the support plate 13 is fixedly welded with one end, far away from the rotating bearing 12, of the support rod 11, the bottom of the support plate 13 is connected with the upper part of an annular cover 5 in an attaching manner, the motor 10 is a forward and reverse rotating motor, the rotating angle is 180 degrees, the rotating bearing 12 is fixedly welded at the upper central position of the, the motor 10 is mounted on the fixed seat 16 through a bolt, through the use of the rotating assembly 2, the motor 10 is turned on to drive the gear 15 to rotate, the gear ring 14 meshed with the gear 15 is driven to rotate through the rotation of the gear 15, so that the support rod 11 is driven to rotate in the rotating bearing 12, the support plate 13 can be driven to rotate, a finished product placed on the support plate 13 can be driven to rotate, each surface of the finished product is in contact with cold air generated by the fan 30, and the cooling effect is improved;
the cooling assembly 4 comprises a water tank 17 and a water pump 18, a cavity 19 is arranged inside the support plate 13, a water inlet pipe 20 is communicated with the side portion of the support plate 13, a water outlet pipe 21 is communicated with the side portion of the support plate 13 close to the water inlet pipe 20, one end, far away from the support plate 13, of the water inlet pipe 20 is communicated with the water pump 18, the water pump 18 is communicated with the water tank 17 through a water pumping pipe 22, a water supply pipe 24 is communicated with the side portion of the water tank 17, a water discharge pipe 25 is communicated with the side portion of the water tank 17, the water supply pipe 24 is located at the upper portion of the water discharge pipe 25, ball valves 26 are mounted on the water inlet pipe 20 and the water outlet pipe 21, cooling fins 27 are welded and fixed on the side wall of the water tank 17, the water inlet pipe 20 and the water outlet, can introduce the cavity of backup pad 13 with water tank 17 normal water in, can cool off placing finished product on backup pad 13, and the water in the cavity 19 flows into water tank 17 from the cavity 19 again, can recycle the water in the water tank 17 and cool off the finished product, can effectual improvement radiating efficiency.
The structure principle is as follows: by using the lifting component 3, when a finished product is cooled, the electric push rod 7 is opened, so that the electric push rod 7 pushes the connecting plate 6 to lift along the guide groove 8, the supporting plate 13 can be lifted, the finished product is convenient to be closer to the fan 30, the cooling time is favorably shortened, and the cooling effect is improved;
through the use of the rotating assembly 2, the motor 10 is turned on, so that the motor 10 drives the gear 15 to rotate, the gear ring 14 meshed with the gear 15 is driven to rotate through the rotation of the gear 15, the supporting rod 11 is driven to rotate in the rotating bearing 12, the supporting plate 13 can be driven to rotate, a finished product placed on the supporting plate 13 can be driven to rotate, each surface of the finished product is in contact with cold air generated by the fan 30, and the cooling effect is improved;
through cooling module 4's use, through opening water pump 18, can introduce the cavity of backup pad 13 with water tank 17 normal water, can cool off placing finished product on backup pad 13, and the water in the cavity 19 flows into water tank 17 from cavity 19 again, and the water in can the cyclic use water tank 17 cools off the finished product, can effectual improvement radiating efficiency.
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.
Claims (8)
1. A3D printing finished product cooling device is characterized in that a base (1), a rotating assembly (2), a lifting assembly (3) and a cooling assembly (4);
the lifting assembly (3) comprises an annular cover (5), a connecting plate (6) and an electric push rod (7), the connecting plate (6) is mounted at the upper end of the electric push rod (7) through a bolt, the electric push rod (7) is mounted at the central position of the upper part of the base (1) through a bolt, a guide groove (8) is formed in the inner wall of the annular cover (5), a guide block (9) is welded and fixed to the side part of the connecting plate (6), the guide block (9) is slidably mounted in the guide groove (8), and the annular cover (5) is mounted on the base (1) through a bolt;
the rotating assembly (2) comprises a motor (10), a supporting rod (11), a rotating bearing (12) and a supporting plate (13), the rotating bearing (12) is installed at the central position of the upper portion of the supporting plate (13), the supporting rod (11) is fixedly inserted into an inner ring of the rotating bearing (12), a gear ring (14) is fixedly sleeved on the outer wall of the supporting rod (11), a gear (15) is connected to a rotating shaft of the motor (10) in a key mode, the gear ring (14) is connected with the gear (15) in a meshing mode, the motor (10) is installed on a connecting plate (6) through a fixing seat (16), the central position of the bottom of the supporting plate (13) is fixedly welded to one end, far away from the rotating bearing (12), of the supporting rod (11), and the bottom of the supporting plate (13) is connected with the upper portion of the annular cover;
cooling module (4) include water tank (17) and water pump (18), the inside of backup pad (13) is provided with cavity (19), the lateral part intercommunication of backup pad (13) has inlet tube (20), the lateral part intercommunication that backup pad (13) are close to inlet tube (20) has outlet pipe (21), the one end that backup pad (13) were kept away from in inlet tube (20) is linked together with water pump (18), water pump (18) are linked together with water tank (17) through drinking-water pipe (22).
2. 3D prints finished product cooling device according to claim 1, characterized by: the inner wall of guide way (8) and the lateral wall clearance sliding fit of guide block (9), and the clearance is not more than 0.01mm, guide block (9) set up to the type shape guide block of protruding.
3. 3D prints finished product cooling device according to claim 1, characterized by: through holes (23) for electric wires to pass through are formed in the side portion of the annular cover (5), and the annular cover (5) and the supporting plate (13) are a stainless steel annular cover and a stainless steel supporting plate.
4. 3D prints finished product cooling device according to claim 1, characterized by: the motor (10) is a forward and reverse rotating motor, and the rotating bearing (12) is welded and fixed at the center of the upper part of the connecting plate (6).
5. 3D prints finished product cooling device according to claim 1, characterized by: the fixing seat (16) is installed on the connecting plate (6) through a bolt, and the motor (10) is installed on the fixing seat (16) through a bolt.
6. 3D prints finished product cooling device according to claim 1, characterized by: the side part of the water tank (17) is communicated with a water supply pipe (24), the side part of the water tank (17) is communicated with a water discharge pipe (25), the water supply pipe (24) is positioned at the upper part of the water discharge pipe (25), ball valves (26) are respectively arranged on the water inlet pipe (20) and the water outlet pipe (21), and radiating fins (27) are welded and fixed on the side wall of the water tank (17).
7. 3D prints finished product cooling device according to claim 1, characterized by: a support (28) is welded and fixed on the base (1), a connecting sheet (29) is welded and fixed on the support (28), and the connecting sheet (29) is fixedly connected with a fan (30) through a bolt.
8. 3D prints finished product cooling device according to claim 1, characterized by: the water inlet pipe (20) and the water outlet pipe (21) are both arranged to be redundant pipes, and the water inlet pipe (20) and the water outlet pipe (21) are both rubber hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341913.9A CN111070690A (en) | 2019-12-24 | 2019-12-24 | 3D prints finished product cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341913.9A CN111070690A (en) | 2019-12-24 | 2019-12-24 | 3D prints finished product cooling device |
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| Publication Number | Publication Date |
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| CN111070690A true CN111070690A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911341913.9A Pending CN111070690A (en) | 2019-12-24 | 2019-12-24 | 3D prints finished product cooling device |
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| Country | Link |
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| CN (1) | CN111070690A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515387A (en) * | 2020-05-08 | 2020-08-11 | 杭州喜马拉雅信息科技有限公司 | 3D printing cooling and fusing device and using method |
| CN112456150A (en) * | 2020-11-04 | 2021-03-09 | 上海睿现信息科技有限公司 | Pneumatic type 3D prints powder package workstation of unloading |
| CN113414984A (en) * | 2021-06-18 | 2021-09-21 | 深圳市贝斯特精工科技有限公司 | A cooling shaping auxiliary support platform fast for 3D prints |
| CN113634768A (en) * | 2021-08-16 | 2021-11-12 | 奥格瑞玛(重庆)医疗科技有限公司 | Printing forming device and compensation method for 3D printing of denture metal part |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206140904U (en) * | 2016-09-29 | 2017-05-03 | 天津大格科技有限公司 | Quick cooling device of model of 3D printer |
| CN107470094A (en) * | 2017-09-26 | 2017-12-15 | 江阴市意康包装制品有限公司 | A kind of plastic package box processing coats cooling device with PUR |
| CN107627485A (en) * | 2017-10-17 | 2018-01-26 | 苏州宏泉高压电容器有限公司 | A kind of heat exchange type and air-cooled color masterbatch cooling device |
| CN209052734U (en) * | 2018-08-25 | 2019-07-02 | 敬业钢铁有限公司 | A kind of screw-thread steel control-cooling equipment |
-
2019
- 2019-12-24 CN CN201911341913.9A patent/CN111070690A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206140904U (en) * | 2016-09-29 | 2017-05-03 | 天津大格科技有限公司 | Quick cooling device of model of 3D printer |
| CN107470094A (en) * | 2017-09-26 | 2017-12-15 | 江阴市意康包装制品有限公司 | A kind of plastic package box processing coats cooling device with PUR |
| CN107627485A (en) * | 2017-10-17 | 2018-01-26 | 苏州宏泉高压电容器有限公司 | A kind of heat exchange type and air-cooled color masterbatch cooling device |
| CN209052734U (en) * | 2018-08-25 | 2019-07-02 | 敬业钢铁有限公司 | A kind of screw-thread steel control-cooling equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515387A (en) * | 2020-05-08 | 2020-08-11 | 杭州喜马拉雅信息科技有限公司 | 3D printing cooling and fusing device and using method |
| CN112456150A (en) * | 2020-11-04 | 2021-03-09 | 上海睿现信息科技有限公司 | Pneumatic type 3D prints powder package workstation of unloading |
| CN113414984A (en) * | 2021-06-18 | 2021-09-21 | 深圳市贝斯特精工科技有限公司 | A cooling shaping auxiliary support platform fast for 3D prints |
| CN113634768A (en) * | 2021-08-16 | 2021-11-12 | 奥格瑞玛(重庆)医疗科技有限公司 | Printing forming device and compensation method for 3D printing of denture metal part |
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Application publication date: 20200428 |
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