Simple 3D printing equipment for medical apparatus and instruments

Abstract

The utility model is applicable to the technical field of 3D printing, and provides simple 3D printing equipment for medical instruments, a case is fixedly connected to the top of a bottom plate, a workbench is fixedly connected to the bottom of an inner cavity of the case, and a printer head which can slide in the horizontal direction and can ascend and descend is arranged in the inner cavity of the case and located above the workbench. And the right side of the case is fixedly connected with a mounting box. According to the simple 3D printing equipment for the medical apparatus and instruments, after workpiece machining is completed, an output shaft of a motor drives a threaded rod to rotate, then a cooling assembly is driven to move along with the threaded rod, a fan sucks air, the air is filtered through a filter screen, one part of the air is blown to the workpiece through a first air outlet to be cooled, and the other part of the air enters a cooling cylinder; the printer head and the workpiece are cooled, after cooling is completed, the scraper descends, the workbench is cleaned, the workpiece is discharged, the printer head and the workpiece can be rapidly cooled, the printing efficiency is improved, and automatic discharging of the workpiece is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printing, and in particular relates to a simple 3D printing device for medical devices. Background Art

[0002] With the continuous development of medical technology, the demand for medical devices is growing, but traditional manufacturing methods often have problems such as long cycle, high cost, and insufficient precision. As an emerging manufacturing technology, 3D printing technology has the advantages of speed, precision, and personalization, so it has broad application prospects in the field of medical device manufacturing.

[0003] Chinese patent CN211251344U discloses a simple 3D printing device for medical devices. In this technical solution, an air pump is controlled by a control system to extract a large amount of gas in the body. The gas is filtered through a filter and then deodorized through an activated carbon layer. However, the heat generated by the printer head and the workpiece cannot be quickly cooled, which affects the printing efficiency, and manual unloading is required. Utility Model Content

[0004] The utility model provides a simple 3D printing device for medical devices, aiming to solve the problem that the heat generated by the printer head and the workpiece cannot be quickly cooled, which affects the printing efficiency and requires manual material feeding.

[0005] The utility model is implemented as follows: a simple 3D printing device for medical devices includes a bottom plate, characterized in that: the top of the bottom plate is fixedly connected to a chassis, the bottom of the inner cavity of the chassis is fixedly connected to a workbench, a printer head that can slide horizontally and can be lifted and lowered is arranged in the inner cavity of the chassis and above the workbench, the right side of the chassis is fixedly connected to a mounting box, a cooling component that can cool the workpiece and the printer head is arranged below the mounting box, and a driving component that can slide the cooling component left and right is arranged in the mounting box;

[0006] The cooling assembly includes a containing box, an inner cavity of the containing box is fixedly connected to an air collecting hood, one end of the inner cavity of the containing box is fixedly connected to a filter, the left side of the filter is fixedly connected to a fan for blowing air into the air collecting hood, a first air outlet for cooling the workpiece is provided at the bottom of the containing box, a cooling cylinder for cooling the printer head is fixedly connected to the top of the containing box, the cooling cylinder and the first air outlet are connected to the air collecting hood, and a scraper that can be raised and lowered is provided on the left side of the bottom of the containing box.

[0007] Preferably, the driving assembly includes a motor and a support frame, the motor is fixedly connected to the right side of the inner cavity of the installation box, the output shaft of the motor is fixedly connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded sleeve, the bottom of the threaded sleeve is fixedly connected to a sliding block, the support frame is fixedly connected to the slider, and the containing box is fixedly connected to the support frame.

[0008] Preferably, an electric telescopic rod sliding in the vertical direction is provided on the left side of the inner cavity of the containing box, and the scraper is fixedly connected to the bottom end of the electric telescopic rod.

[0009] Preferably, one end of the air collecting hood is connected to a first diverter pipe, the other end of the first diverter pipe is connected to the inner cavity of the pipe, the bottom end of the pipe is connected to a first air outlet, the top end of the pipe is connected to a second air outlet, the top end of the second air outlet is connected to a second diverter pipe, the second diverter pipe is connected to a plurality of third air outlets, and the third air outlets inject air into the cooling cylinder.

[0010] Preferably, the chassis is provided with a front door which is rotated by hinges, a handle is provided in the middle of the front door, a control panel is provided on the top front side of the front door, and a detection mirror is provided in the middle of the front door.

[0011] Preferably, an inclined plate is fixedly connected to the right side of the workbench, a storage frame is provided on the top of the bottom plate and on the right side of the chassis, and the storage frame is located under the inclined plate.

[0012] Beneficial Effects

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is a simple 3D printing device for medical devices. After the workpiece is processed, the output shaft of the motor drives the threaded rod to rotate, thereby driving the cooling component to move accordingly. The fan inhales air and filters it through the filter. A part of it is blown to the workpiece through the first air outlet for cooling, and the other part enters the cooling cylinder to cool the printer head and the workpiece. After cooling is completed, the scraper descends to clean the workbench and unload the workpiece. The printer head and the workpiece can be quickly cooled, thereby improving printing efficiency and realizing the automation of unloading the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front cross-sectional structural diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the front structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cooling structure in the utility model;

[0017] In the figure: 1. bottom plate; 2. chassis; 3. hinge; 4. front door; 5. detection mirror; 6. handle; 7. control panel; 8. printer head; 9. installation box; 10. threaded sleeve; 11. motor; 12. support frame; 13. storage box; 14. fan; 15. air collecting hood; 16. electric telescopic rod; 17. inclined plate; 18. storage frame; 19. cooling cylinder; 20. scraper; 21. workbench; 22. second shunt pipe; 23. first shunt pipe; 24. first air outlet; 25. pipeline; 26. threaded rod; 27. filter; 28. second air outlet; 29. ​​third air outlet. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a simple 3D printing device for medical devices, comprising a base plate 1, a chassis 2 is fixedly connected to the top of the base plate 1, a workbench 21 is fixedly connected to the bottom of the inner cavity of the chassis 2, a printer head 8 that can slide and rise and fall in the horizontal direction is arranged in the inner cavity of the chassis 2 and above the workbench 21, a mounting box 9 is fixedly connected to the right side of the chassis 2, a cooling component that can cool the workpiece and the printer head 8 is arranged below the mounting box 9, and a driving component that can slide the cooling component left and right is arranged in the mounting box 9.

[0020] A workbench 21 is fixedly connected to the bottom of the inner cavity of the chassis 2. The workbench 21 is used to place the workpiece to be printed to ensure the stability of the workpiece during the printing process.

[0021] The printer head 8 is used to eject powder or material from the nozzle and then solidify or bond it on the surface of the workpiece. It is usually made of metal or plastic and can slide and rise and fall horizontally.

[0022] The installation box 9 is a closed structure for accommodating all installation components and parts. It is usually made of metal or plastics and has sufficient strength and stability.

[0023] The cooling assembly includes a containing box 13, an inner cavity of the containing box 13 is fixedly connected to an air collecting hood 15, one end of the inner cavity of the containing box 13 is fixedly connected to a filter screen 27, the left side of the filter screen 27 is fixedly connected to a fan 14 for blowing air into the air collecting hood 15, a first air outlet 24 for cooling the workpiece is provided at the bottom of the containing box 13, a cooling cylinder 19 for cooling the printer head 8 is fixedly connected to the top of the containing box 13, the cooling cylinder 19 and the first air outlet 24 are connected to the air collecting hood 15, and a liftable scraper 20 is provided on the left side of the bottom of the containing box 13.

[0024] The wind collecting cover 15 is fixedly connected to the inner cavity of the containing box 13, and plays the role of collecting and guiding airflow. When the fan 14 is working, air is sucked in and guided by the wind collecting cover 15 to form a directional airflow.

[0025] The scraper 20 can be raised and lowered to unload the workpiece after solidification.

[0026] When the cooling assembly is started, the fan 14 starts to work, sucking in air and filtering it through the filter 27. The filtered air is guided by the air collecting cover 15, a part of which is blown to the workpiece through the first air outlet 24 for cooling, and the other part enters the cooling cylinder 19 to cool the printer head 8 and the workpiece. After cooling is completed, the scraper 20 descends to the workbench 21 for cleaning and unloading the workpiece.

[0027] Furthermore, the driving assembly includes a motor 11 and a support frame 12, the motor 11 is fixedly connected to the right side of the inner cavity of the installation box 9, the output shaft of the motor 11 is fixedly connected to a threaded rod 26, the surface of the threaded rod 26 is threadedly connected to a threaded sleeve 10, the bottom of the threaded sleeve 10 is fixedly connected to a sliding block, and the support frame 12 is fixedly connected to the sliding block.

[0028] In this embodiment, the motor 11 is started. The output shaft of the motor 11 drives the threaded rod 26 to rotate, and then drives the threaded sleeve 10 to move left and right along the threaded rod 26. Due to the fixed connection between the threaded sleeve 10, the sliding block and the support frame 12, the support frame 12 and the cooling assembly will also move accordingly. By controlling the forward and reverse rotation of the motor 11, the left and right direction adjustment of the cooling assembly can be achieved.

[0029] Furthermore, one end of the wind collecting hood 15 is connected to a first diverter pipe 23, the other end of the first diverter pipe 23 is connected to the inner cavity of the pipe 25, the bottom end of the pipe 25 is connected to the first air outlet 24, the top end of the pipe 25 is connected to a second air outlet 28, the top end of the second air outlet 28 is connected to a second diverter pipe 22, the second diverter pipe 22 is connected to a plurality of third air outlets 29, and the third air outlets 29 inject air into the cooling cylinder 19.

[0030] The second flow dividing pipe 22 enables the air flow to enter the cooling cylinder 19 more evenly.

[0031] The second shunt pipe 22 is connected to a plurality of third air outlets 29 , and these third air outlets 29 directly inject air into the cooling cylinder 19 .

[0032] By properly arranging the positions and number of the third air outlets 29 , it is possible to ensure that the airflow inside the cooling cylinder 19 is evenly distributed, thereby improving the cooling effect on the printer head 8 .

[0033] The airflow generated by the fan 14 is first collected by the air collecting cover 15, and then enters the pipe 25 through the first shunt pipe 23. In the pipe 25, the airflow is divided into two parts, one part is blown to the workpiece through the first air outlet 24 for cooling, and the other part enters the cooling cylinder 19 through the second air outlet 28 and the second shunt pipe 22, and cools the printer head 8 through the third air outlet 29. Such a design enables the cooling component to meet the cooling requirements of the workpiece and the printer head 8 at the same time, thereby improving the overall cooling effect of the equipment.

[0034] Furthermore, an electric telescopic rod 16 that slides in the vertical direction is provided on the left side of the inner cavity of the containing box 13 , and the scraper 20 is fixedly connected to the bottom end of the electric telescopic rod 16 .

[0035] In this embodiment, a groove adapted to the scraper 20 is provided at the bottom of the receiving box 13 to ensure that the scraper 20 can move at the bottom of the receiving box 13 .

[0036] By driving the electric telescopic rod 16, the scraper 20 can be retracted into the receiving box 13 and extended out of the receiving box 13 to limit the workpiece.

[0037] Furthermore, a groove is provided on the right side of the chassis 2 , and the groove is adapted to fit the receiving box 13 .

[0038] In this embodiment, it is ensured that the accommodating box 13 can move inside the chassis 2 and away from the chassis 2 , so as to ensure that it does not interfere with the operation of the printer head 8 inside the chassis 2 .

[0039] Furthermore, the chassis 2 is provided with a front door 4 which is rotatable through a hinge 3 , a handle 6 is provided in the middle of the front door 4 , a control panel 7 is provided on the top front side of the front door 4 , and a detection mirror 5 is provided in the middle of the front door 4 .

[0040] In this embodiment, the front door 4 is connected to the hinge 3, and the tightness of the hinge 3 is adjusted to ensure that the front door 4 can be opened and closed smoothly and can fit tightly against the chassis 2 when closed.

[0041] Prepare a detection mirror 5, which is usually a small transparent observation window for observing the situation inside the chassis 2.

[0042] The control screen 7 , which is usually a touch screen or a button panel, is used to control the operation of the chassis 2 .

[0043] Furthermore, an inclined plate 17 is fixedly connected to the right side of the workbench 21 , and a storage frame 18 is provided on the top of the base plate 1 and on the right side of the chassis 2 , and the storage frame 18 is located under the inclined plate 17 .

[0044] In this embodiment, the scraper 20 moves to the right to push the workpiece onto the inclined plate 17 , and then slides into the storage frame 18 through the inclined plate 17 for storage.

[0045] Working principle and use process of the utility model: After the utility model is installed and the workpiece is processed, the motor 11 is started, and the output shaft of the motor 11 drives the threaded rod 26 to rotate, thereby driving the threaded sleeve 10 to move left and right along the threaded rod 26. Due to the fixed connection between the threaded sleeve 10, the sliding block and the support frame 12, the support frame 12 and the cooling assembly will also move accordingly, and the fan 14 starts to work, sucking in air and filtering it through the filter 27. The filtered air is guided by the wind collecting hood 15, and a part of it is blown to the workpiece through the first air outlet 24 for cooling, and the other part enters the cooling cylinder 19 to cool the printer head 8 and the workpiece. After cooling, the scraper 20 descends, cleans the workbench 21 and unloads the workpiece, cools the workpiece and the printer head, and completes the unloading of the workpiece.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A simple 3D printing device for medical devices, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a chassis (2), the bottom of the inner cavity of the chassis (2) is fixedly connected to a workbench (21), a printer head (8) that can slide horizontally and can be raised and lowered is arranged in the inner cavity of the chassis (2) and above the workbench (21), the right side of the chassis (2) is fixedly connected to a mounting box (9), a cooling component that can cool a workpiece and the printer head (8) is arranged below the mounting box (9), and a driving component that can slide the cooling component left and right is arranged in the mounting box (9); The cooling assembly comprises a containing box (13), the inner cavity of the containing box (13) is fixedly connected to a wind collecting hood (15), one end of the inner cavity of the containing box (13) is fixedly connected to a filter screen (27), the left side of the filter screen (27) is fixedly connected to a fan (14) for blowing air into the wind collecting hood (15), the bottom of the containing box (13) is provided with a first air outlet (24) for cooling the workpiece, the top of the containing box (13) is fixedly connected to a cooling cylinder (19) for cooling the printer head (8), the cooling cylinder (19) and the first air outlet (24) are connected to the wind collecting hood (15), and a scraper (20) that can be raised and lowered is provided on the left side of the bottom of the containing box (13).

2. A simple 3D printing device for medical devices as claimed in claim 1, characterized in that: The driving assembly comprises a motor (11) and a support frame (12); the motor (11) is fixedly connected to the right side of the inner cavity of the installation box (9); the output shaft of the motor (11) is fixedly connected to a threaded rod (26); the surface of the threaded rod (26) is threadedly connected to a threaded sleeve (10); the bottom of the threaded sleeve (10) is fixedly connected to a sliding block; the support frame (12) is fixedly connected to the sliding block; and the accommodating box (13) is fixedly connected to the support frame (12).

3. A simple 3D printing device for medical devices as claimed in claim 1, characterized in that: An electric telescopic rod (16) that slides in a vertical direction is arranged on the left side of the inner cavity of the containing box (13), and the scraper (20) is fixedly connected to the bottom end of the electric telescopic rod (16).

4. A simple 3D printing device for medical devices as claimed in claim 1, characterized in that: One end of the air collecting hood (15) is connected to a first diverter pipe (23), the other end of the first diverter pipe (23) is connected to the inner cavity of the pipe (25), the bottom end of the pipe (25) is connected to a first air outlet (24), the top end of the pipe (25) is connected to a second air outlet (28), the top end of the second air outlet (28) is connected to a second diverter pipe (22), the second diverter pipe (22) is connected to a plurality of third air outlets (29), and the third air outlets (29) inject air into the cooling cylinder (19).

5. A simple 3D printing device for medical devices as claimed in claim 1, characterized in that: The cabinet (2) is provided with a front door (4) which is rotatable via a hinge (3); a handle (6) is provided in the middle of the front door (4); a control panel (7) is provided on the top front side of the front door (4); and a detection mirror (5) is provided in the middle of the front door (4).

6. A simple 3D printing device for medical devices as claimed in claim 1, characterized in that: The right side of the workbench (21) is fixedly connected to an inclined plate (17), and a storage frame (18) is provided on the top of the bottom plate (1) and located on the right side of the chassis (2), and the storage frame (18) is located under the inclined plate (17).

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