CN107020750B - Pneumatic 3D printer - Google Patents
Pneumatic 3D printer Download PDFInfo
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- CN107020750B CN107020750B CN201710349086.2A CN201710349086A CN107020750B CN 107020750 B CN107020750 B CN 107020750B CN 201710349086 A CN201710349086 A CN 201710349086A CN 107020750 B CN107020750 B CN 107020750B
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
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Abstract
The invention discloses a pneumatic 3D printer; the technical problems to be solved are as follows: the quality requirement on products is high for the manufacturing industry in the prior art, so that the printing precision of the printer is also high. At present, the existing 3D printer cannot meet the technical problem of requirements. The technical scheme adopted is that the pneumatic 3D printer comprises a bottom surface fixing plate, wherein a support guide shell is arranged on the bottom surface fixing plate, and a bracket rod is arranged outside the support guide shell; a cross rod is arranged at the top of the support rod, a bearing shaft plate is hung downwards at the middle position of the cross rod, and a pneumatic printing head is arranged at the lower end of the bearing shaft plate; a driving mechanism is arranged at the top of the supporting and guiding shell; the bottom surface fixing plate is provided with a workbench mechanism with adjustable height. The advantages are that: this pneumatic 3D printer has adopted unique structure, and this simple structure, the security is high, and working medium does not need the cost again, and output force and working speed easily adjust, can improve the printing precision of printer.
Description
Technical Field
The invention relates to a 3D printer device, in particular to a pneumatic 3D printer.
Background
In both our daily lives and in computer virtual environments, various three-dimensional models are an indispensable part. The 3D printer is a converter for changing various virtual three-dimensional models into real objects, and the appearance of the 3D printer provides convenience for many works. In the manufacturing industry, a product model is printed out by a 3D printer in advance, and a designer can improve the design scheme according to the sample so as to be beneficial to making better products, and meanwhile, a customer can intuitively see the products required by the customer.
Because the manufacturing industry has high requirements on the quality of products, the printing precision of printers is also high. Currently, existing 3D printers cannot meet the requirements.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the quality requirement on products is high for the manufacturing industry in the prior art, so that the printing precision of the printer is also high. At present, the existing 3D printer cannot meet the technical problem of requirements.
The invention provides a novel pneumatic 3D printer, the 3D printer adopts a pneumatic control system to control printing, a pneumatic device is simple in structure, low in pressure level and high in safety, a working medium does not need cost, and most importantly, output force and working speed are easy to adjust, so that the printing precision of the 3D printer can be improved.
The invention aims to improve the printing precision and keep the structure simple and reliable, and provides a novel pneumatic 3D printer, wherein the printing head of the printer is controlled to move in the horizontal and vertical directions by a telescopic cylinder, so that the structure is simple and reliable, and the printing precision of the printer is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a pneumatic D printer comprises a bottom surface fixing plate, wherein a supporting guide shell is vertically arranged in the middle of the bottom surface fixing plate upwards, a bracket rod is arranged outside the supporting guide shell, and the bracket rod is fixed on the bottom surface fixing plate; a cross rod is arranged at the top of the support rod, a bearing shaft plate is hung downwards at the middle position of the cross rod, and a pneumatic printing head is arranged at the lower end of the bearing shaft plate; a printer material box and a feeding motor are fixedly arranged on the bracket rod; a driving mechanism for driving the pneumatic printing head to print at 360 degrees is arranged at the top of the supporting and guiding shell; the bottom surface fixing plate is provided with a workbench mechanism with adjustable height, and the workbench mechanism is positioned in the support guide shell;
the pneumatic printing head comprises a printing head, at least two horizontal telescopic cylinders horizontally arranged and at least three vertical telescopic cylinders vertically arranged; the air pipes of all the horizontal telescopic cylinders and the air pipes of all the vertical telescopic cylinders are connected with the energy accumulator in a single one-to-one correspondence manner;
the shell of the first horizontal telescopic cylinder is connected with the object bearing shaft plate, the piston rod of the first horizontal telescopic cylinder is connected with the shell of the second horizontal telescopic cylinder, the piston rod of the second horizontal telescopic cylinder is connected with the shell of the first vertical telescopic cylinder, the piston rod of the first vertical telescopic cylinder is connected with the shell of the second vertical telescopic cylinder, the piston rod of the second vertical telescopic cylinder is connected with the shell of the third vertical telescopic cylinder, and the piston rod of the third vertical telescopic cylinder is connected with the printing head;
the driving mechanism comprises a motor arranged on the cross rod, an output shaft of the motor is vertically downward, an output gear is arranged on the output shaft of the motor, an input gear disc is arranged in external engagement with the output gear, and the input gear disc is rotatably arranged on the object bearing shaft plate; the back plate of the input gear plate is fixedly provided with a horizontal connecting rod, one end of the horizontal connecting rod is connected with the pneumatic printing head, the other end of the horizontal connecting rod is provided with a guide sliding block, and the guide sliding block is matched with a sliding groove arranged at the top of the support guide shell to move.
According to the technical scheme, the printing head is arranged at one end of the telescopic cylinder, and the pneumatic system controls the telescopic cylinder to move through the air pipe and the energy accumulator. The telescopic cylinder directly contacted with the printing head is provided with a section to control the movement of the printing head in the vertical direction. The telescopic cylinder indirectly connected with the printing head has two sections to control the horizontal movement of the printing head. Because the length of the telescopic cylinder in the horizontal direction is limited, two limit points exist when the printing head moves transversely, namely, the printing head can only move between the center point and the extreme point on the rightmost side when the guide sliding block is on the leftmost side, and therefore the guide sliding block is designed to move along the guide rail at the top end of the guide shell, and the moving area of the printing head is free of blind points. The motion driving of the guide slide block is indirectly driven by a small motor. The small motor drives the small gear, the small gear is meshed with the large gear, and the guide slide block is connected with the large gear, thus forming the whole transmission
The system.
According to the technical scheme, the dovetail groove type supporting rod for clamping and guiding the air pipe is vertically arranged on the outer surface of the supporting and guiding shell.
The technical scheme is further improved, and the air pipe is clamped in the dovetail groove type supporting rod.
According to the technical scheme, the workbench mechanism comprises a balance carrying platform arranged on a bottom surface fixing plate, an iron core is vertically arranged on the balance carrying platform, an electromagnetic coil is wound on the iron core and is communicated with a circuit board, and the iron core and the electromagnetic coil form an electromagnetic converter; the outside of the electromagnetic converter is sleeved with a spring, the printing table is supported by the spring, and an iron block matched with the electromagnetic converter is arranged on the back surface of the printing table.
The technical scheme is further improved, the electric silk screen heating printing table is adopted as the printing table, and the electric silk screen heating printing table is connected with the circuit board.
The technical scheme is further improved, the workbench mechanism further comprises two supporting and sliding guiding mechanisms which are arranged on the balance carrying platform and used for supporting the printing platform in an auxiliary mode, and the two supporting and sliding guiding mechanisms are symmetrically arranged relative to the electromagnetic converter;
the two support slide guiding mechanisms comprise support blocks which are vertical to the balance carrying platform, clamping blocks which are matched with the support blocks and are arranged on the back surface of the printing platform, and the support blocks and the clamping blocks are locked through screws to play a role in supporting the printing platform.
According to the technical scheme, the heat dissipation channel is arranged on the support guide shell.
According to the technical scheme, limit sensors for limiting the printing head at the center point and at the rightmost side are arranged in a chute at the top of the supporting and guiding shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the pneumatic 3D printer has the advantages of simple structure, low pressure level, high safety, no cost of working medium, and easy adjustment of output force and working speed, and can improve the printing precision of the printer.
2. According to the pneumatic 3D printer, the print head is controlled to move in the horizontal and vertical directions by the telescopic cylinder, so that the structure is simple and reliable, and the printing precision is improved.
3. The pneumatic 3D printer adopts a unique structure, has simple structure and high safety, does not need cost for a working medium, is easy to adjust output force and working speed, and can improve the printing precision of the printer.
Drawings
Fig. 1 is an external structural schematic diagram of a pneumatic 3D printer.
Fig. 2 is a schematic view of the internal structure of the support guide housing (schematic view showing the print head and the stage mechanism).
Fig. 3 is a schematic structural view of a pneumatic printhead.
Fig. 4 is a schematic structural view of the table mechanism.
Fig. 5 is a wire mesh heat generating printing station.
Detailed Description
The technical scheme of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
In order to make the contents of the present invention more comprehensible, the present invention is further described with reference to fig. 1 to 5 and the detailed description below.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
As shown in FIG. 1, the pneumatic 3D printer comprises a bottom surface fixing plate 1-1, wherein a support guide shell 1-6 is vertically and upwards arranged in the middle of the bottom surface fixing plate 1-1, a bracket rod 1-2 is arranged outside the support guide shell 1-6, and the bracket rod 1-2 is fixed on the bottom surface fixing plate 1-1; a cross rod is arranged at the top of the bracket rod 1-2, a bearing shaft plate 1-9 is hung downwards at the middle position of the cross rod, and a pneumatic printing head is arranged at the lower end of the bearing shaft plate 1-9; a printer material box 1-3 and a feeding motor 1-5 are fixedly arranged on a bracket rod 1-2; a driving mechanism for driving the pneumatic printing head to print at 360 degrees is arranged at the top of the supporting and guiding shell 1-6; a workbench mechanism with adjustable height is arranged on the bottom surface fixing plate 1-1 and is positioned in the support guide shell 1-6. The support guide shell 1-6 is provided with a heat dissipation channel 1-17. In the implementation of the embodiment, a display screen 1-18 is arranged on a support guide shell 1-6, and the display 1-18 displays corresponding parameter information through the control of an electric wire 2-7 and a display control board 2-8.
As shown in fig. 2 and 3, the pneumatic printhead includes a printhead, at least two horizontally disposed horizontal telescopic cylinders, and at least three vertically disposed vertical telescopic cylinders; the air pipes 1-13 of all the horizontal telescopic cylinders and the air pipes of all the vertical telescopic cylinders are respectively and correspondingly connected with the energy storages 1-14 one by one. The shell of the first horizontal telescopic cylinder 3-1 is connected with the object bearing shaft plate 1-9, the piston rod of the first horizontal telescopic cylinder is connected with the shell of the second horizontal telescopic cylinder 3-2, the piston rod of the second horizontal telescopic cylinder is connected with the shell of the first vertical telescopic cylinder 3-3, the piston rod of the first vertical telescopic cylinder is connected with the shell of the second vertical telescopic cylinder 3-4, the piston rod of the second vertical telescopic cylinder is connected with the shell of the third vertical telescopic cylinder 3-5, and the piston rod of the third vertical telescopic cylinder is connected with the printing head; the outer surface of the supporting and guiding shell 1-6 is vertically provided with a dovetail groove type supporting rod 1-4 for clamping and guiding the air pipe 1-13. The air pipe 1-13 is clamped in the dovetail groove type supporting rod 1-4.
As shown in fig. 3, when compressed gas enters the vertical telescopic cylinder through the gas hole by the gas pipe 1-13, the second vertical telescopic cylinder 3-4 can perform telescopic movement in the vertical direction in the first vertical telescopic cylinder 3-3, and similarly, when compressed gas enters the horizontal direction cylinder through the gas hole by the gas pipe, the second horizontal telescopic cylinder 3-2 can perform telescopic movement in the horizontal direction in the first horizontal telescopic cylinder 3-1. Through the movement, the printing head of the 3D printer is mounted on the pneumatic telescopic cylinder, so that the printing head of the 3D printer can be pneumatically controlled, and the horizontal and vertical movement is realized to print products. The pneumatic device has the advantages of simple structure, low pressure level, high safety, no cost of working medium, and most importantly, the output force and the working speed are easy to adjust, and the printing precision of the printer can be improved.
In operation, the pneumatic system of the pneumatic print head controls the movement of the telescopic cylinder via the air pipes 1-13 and the accumulators 1-14. The telescopic cylinder directly contacted with the printing head has 3 sections and controls the movement of the printing head in the vertical direction. The telescopic cylinder indirectly connected with the printing head has two sections to control the horizontal movement of the printing head. Because the length of the telescopic cylinder in the horizontal direction is limited, two limit points exist when the printing head moves transversely, namely, the printing head can only move between the center point and the limit point determined by the limit sensor 1-12 at the rightmost side when the guide slide block 1-7 is at the leftmost side, and therefore the guide slide block is designed to move along the guide rail at the top end of the support guide shell 1-6, and the moving area of the printing head is free from blind points. The motion driving of the guide slide block is indirectly driven by the motors 1-10. The motor drives the output gear 1-11, the output gear 1-11 is meshed with the input gear disc 1-
8, the input gear disc 1-8 is arranged on a shaft on the bearing shaft plate 1-9. The guide blocks are connected to the input gear discs 1-8, thus forming the whole transmission system.
As shown in fig. 1, the driving mechanism comprises a motor 1-10 arranged on a cross rod, an output shaft of the motor is vertically downward, an output gear 1-11 is arranged on the output shaft of the motor, an input gear disc 1-8 is arranged in external engagement with the output gear 1-11, and the input gear disc 1-8 is rotatably arranged on a bearing shaft plate 1-9; a horizontal connecting rod is fixedly arranged on a backboard of an input gear disc 1-8, one end of the horizontal connecting rod is connected with a pneumatic printing head, the other end of the horizontal connecting rod is provided with a guide sliding block 1-7, and the guide sliding block 1-7 is matched with a sliding groove arranged at the top of a support guide shell 1-6 to move.
As shown in fig. 2, 4 and 5, the workbench mechanism comprises a balance carrier 2-2 arranged on a bottom surface fixing plate 1-1, wherein an iron core is vertically arranged on the balance carrier 2-2, an electromagnetic coil is wound on the iron core and is communicated with a circuit board 2-11, and the iron core and the electromagnetic coil form an electromagnetic converter 2-4; the spring 2-3 is sleeved outside the electromagnetic converter 2-4, the spring 2-3 supports the printing table 2-5, and an iron block matched with the electromagnetic converter 2-4 is arranged on the back surface of the printing table 2-5.
The workbench mechanism further comprises two supporting and sliding guiding mechanisms which are arranged on the balance carrying platform 2-2 and used for supporting the printing platform 2-5 in an auxiliary mode, and the two supporting and sliding guiding mechanisms are symmetrically arranged relative to the electromagnetic converter 2-4; the two support slide guiding mechanisms comprise support blocks 2-9 which are vertically arranged on the balance carrying platform 2-2, clamping blocks which are matched with the support blocks and are arranged on the back surface of the printing platform 2-5, and the support blocks and the clamping blocks are locked through screws 2-10 to play a role in supporting the printing platform 2-5. The printing table 2-5 adopts an electric silk screen heating printing table which is connected with the circuit board 2-11.
The height-adjustable workbench mechanism in the embodiment adopts magnetic induction coils, and the printing table 2-5 is connected with the circuit board 2-11. The lower bottom surface of the printing table 2-5 and the upper top surface of the balance carrier 2-2 are respectively fixed with the upper end and the lower end of a spring 2-3, a magnetic induction coil and an iron core are arranged in the spring, and the iron core and the electromagnetic coil form an electromagnetic converter 2-4; the iron core is vertically arranged on the balance carrying platform 2-2, the iron block is also fixed on the lower bottom surface of the printing platform 2-5, the iron core is electrified when the printing platform works, the iron block below the printing platform is sucked, the printing platform moves downwards, and the larger the current is, the larger the distance of the printing platform moving downwards is. In addition, two supporting and sliding guide mechanisms are specially designed and consist of a supporting block 2-9 with a groove and a screw 2-10 so as to ensure the balance of the printing table. This workstation mechanism with adjustable height, simple structure is reliable, and printing bench height is easily adjusted, can improve the printing accuracy of 3D printer.
The pneumatic 3D printer has the advantages of simple structure, low pressure level, high safety, no cost of working medium, and easy adjustment of output force and working speed, and can improve the printing precision of the printer.
The invention is not related in part to the same as or can be practiced with the prior art.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The pneumatic 3D printer is characterized by comprising a bottom surface fixing plate (1-1), wherein a support guide shell (1-6) is vertically and upwards arranged in the middle of the bottom surface fixing plate (1-1), a bracket rod (1-2) is arranged outside the support guide shell (1-6), and the bracket rod (1-2) is fixed on the bottom surface fixing plate (1-1); a cross rod is arranged at the top of the bracket rod (1-2), a bearing shaft plate (1-9) is hung downwards at the middle position of the cross rod, and a pneumatic printing head is arranged at the lower end of the bearing shaft plate (1-9); a printer material box (1-3) and a feeding motor (1-5) are fixedly arranged on the bracket rod (1-2); a driving mechanism for driving the pneumatic printing head to print at 360 degrees is arranged at the top of the supporting and guiding shell (1-6); a workbench mechanism with adjustable height is arranged on the bottom surface fixing plate (1-1), and is positioned in the support guide shell (1-6);
the pneumatic printing head comprises a printing head, at least two horizontal telescopic cylinders horizontally arranged and at least three vertical telescopic cylinders vertically arranged; the air pipes (1-13) of all the horizontal telescopic air cylinders and the air pipes of all the vertical telescopic air cylinders are respectively and correspondingly connected with the energy accumulators (1-14), dovetail groove type supporting rods (1-4) for clamping and guiding the air pipes (1-13) are vertically arranged on the outer surfaces of the supporting and guiding shells (1-6), and the air pipes (1-13) are clamped in the dovetail groove type supporting rods (1-4);
the shell of the first horizontal telescopic cylinder is connected with the object bearing shaft plate (1-9), the piston rod of the first horizontal telescopic cylinder is connected with the shell of the second horizontal telescopic cylinder, the piston rod of the second horizontal telescopic cylinder is connected with the shell of the first vertical telescopic cylinder, the piston rod of the first vertical telescopic cylinder is connected with the shell of the second vertical telescopic cylinder, the piston rod of the second vertical telescopic cylinder is connected with the shell of the third vertical telescopic cylinder, and the piston rod of the third vertical telescopic cylinder is connected with the printing head;
the driving mechanism comprises a motor (1-10) arranged on the cross rod, an output shaft of the motor is vertically downward, an output gear (1-11) is arranged on the output shaft of the motor, an input gear disc (1-8) is arranged in external engagement with the output gear (1-11), and the input gear disc (1-8) is rotatably arranged on a bearing shaft plate (1-9); a horizontal connecting rod is fixedly arranged on a backboard of the input gear disc (1-8), one end of the horizontal connecting rod is connected with the pneumatic printing head, the other end of the horizontal connecting rod is provided with a guide sliding block (1-7), and the guide sliding block (1-7) is matched with a sliding groove arranged at the top of the support guide shell (1-6) to move;
the workbench mechanism comprises a balance carrying platform (2-2) arranged on a bottom surface fixing plate (1-1), an iron core is vertically arranged on the balance carrying platform (2-2), an electromagnetic coil is wound on the iron core and is communicated with a circuit board, and the iron core and the electromagnetic coil form an electromagnetic converter (2-4); the electromagnetic converter (2-4) is externally sleeved with a spring (2-3), the spring (2-3) supports the printing table (2-5), and an iron block matched with the electromagnetic converter (2-4) is arranged on the back surface of the printing table (2-5).
2. The pneumatic 3D printer of claim 1, wherein the stage mechanism further comprises two support slide guiding mechanisms for assisting in supporting the printing table (2-5) provided on the balancing stage (2-2), the two support slide guiding mechanisms being symmetrically provided with respect to the electromagnetic transducer (2-4);
the two support slide guiding mechanisms comprise support blocks which are vertically arranged on the balance carrying platform (2-2), clamping blocks which are matched with the support blocks and are arranged on the back surface of the printing platform (2-5), and the support blocks and the clamping blocks are locked through screws to play a role in supporting the printing platform (2-5).
3. Pneumatic 3D printer according to claim 2, characterized in that the printing stations (2-5) are wire mesh heat generating printing stations which are connected to the circuit board (2-11).
4. Pneumatic 3D printer according to claim 1, characterized in that the heat dissipation channels (1-17) are provided on the support and guide housing (1-6).
5. Pneumatic 3D printer according to claim 1, characterized in that limit sensors (1-12) for limiting the print head at the centre point and to the right are provided in a chute supporting the top of the guide housing (1-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349086.2A CN107020750B (en) | 2017-05-17 | 2017-05-17 | Pneumatic 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349086.2A CN107020750B (en) | 2017-05-17 | 2017-05-17 | Pneumatic 3D printer |
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| CN107020750A CN107020750A (en) | 2017-08-08 |
| CN107020750B true CN107020750B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710349086.2A Active CN107020750B (en) | 2017-05-17 | 2017-05-17 | Pneumatic 3D printer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113858613B (en) * | 2021-11-03 | 2023-09-01 | 杭州喜马拉雅信息科技有限公司 | Full-automatic 3D insole printer and use method |
| CN117862429B (en) * | 2024-01-24 | 2024-09-06 | 北京京城增材科技有限公司 | Printing head with floating moisturizing mechanism for sand printer |
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| CN101105242A (en) * | 2006-07-15 | 2008-01-16 | 沈传良 | Adjustable flow distributing and collecting valve electromagnetic rectification means |
| CN104760424A (en) * | 2014-01-03 | 2015-07-08 | 北京理工大学 | Multifunctional assembled 3D printing device and multifunctional assembled 3D printing method |
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