CN211518505U - High accuracy 3D printer - Google Patents
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- CN211518505U CN211518505U CN201922345823.9U CN201922345823U CN211518505U CN 211518505 U CN211518505 U CN 211518505U CN 201922345823 U CN201922345823 U CN 201922345823U CN 211518505 U CN211518505 U CN 211518505U
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Abstract
The utility model relates to a high-precision 3D printer, which comprises a frame, a light machine adjusting mechanism, a mounting plate, a material containing mechanism, an encoder, a Z-axis module, a printing platform and a scraper height adjusting mechanism; the optical machine is arranged on the rack through an optical machine adjusting mechanism, and the optical machine adjusting mechanism can adjust the position of the optical machine; the mounting plate is fixed above the rack; the material containing mechanism is arranged on the mounting plate; the encoder is matched with the material containing mechanism; the Z-axis module is connected to the rack, is provided with a printing platform and can drive the printing platform to lift; the scraper height adjusting mechanism is arranged on one side of the material containing mechanism, is provided with a scraper and can drive the scraper to lift and adjust the height of the scraper. The utility model discloses a high accuracy 3D printer has that the ray apparatus precision is adjustable, a great deal of advantages such as degree of automation height and stable performance.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a printer, concretely relates to high accuracy 3D printer belongs to 3D and prints technical field.
[ background of the invention ]
The 3D printer, also called a three-dimensional printer, is a machine that uses an additive manufacturing technique (i.e., a rapid prototyping technique), and its principle is that data and raw materials are put into the 3D printer, and the machine manufactures products layer by layer according to a program.
The 3D printer of the prior art is shown in the utility model patent application No. 201610863393.8 of the people's republic of china. However, the above printer often has the following drawbacks in the actual use:
1. the position of the optical machine of the printer is fixed after manual focusing, and the projection range of the optical machine cannot be adjusted according to needs, so that the precision of the optical machine is not adjustable, and the printing precision of the printer is greatly reduced.
2. The resin box of the printer is driven by the gear, but the rotation angle of the resin box cannot be accurately measured and controlled, so that the printer has certain limitation.
3. The height of the scraper of the printer can be adjusted only manually, the adjustment is troublesome, and the adjustment precision is low.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative high-precision 3D printer to overcome the above-mentioned drawbacks of the prior art.
[ Utility model ] content
In order to solve the technical problems, the utility model aims at providing a high-precision 3D printer with adjustable precision of a light machine, high automation degree and stable performance,
in order to achieve the above purpose, the utility model adopts the following technical scheme: a high-precision 3D printer comprises a rack, an optical machine adjusting mechanism, a mounting plate, a material containing mechanism, an encoder, a Z-axis module, a printing platform and a scraper height adjusting mechanism; the optical machine is arranged on the rack through an optical machine adjusting mechanism, and the optical machine adjusting mechanism can adjust the position of the optical machine; the mounting plate is fixed above the rack; the material containing mechanism is arranged on the mounting plate; the encoder is matched with the material containing mechanism; the Z-axis module is connected to the rack, is provided with a printing platform and can drive the printing platform to lift; the scraper height adjusting mechanism is arranged on one side of the material containing mechanism, is provided with a scraper and can drive the scraper to lift and adjust the height of the scraper.
The utility model discloses a high accuracy 3D printer further sets up to: the optical machine adjusting mechanism comprises a bottom plate, an optical machine coarse adjusting seat, a lower adjusting plate, an optical machine leveling differential nut and an upper adjusting plate; wherein, the bottom plate is horizontally fixed on the frame; the optical machine coarse adjustment seat is arranged on the bottom plate, and the top of the optical machine coarse adjustment seat is connected to the bottom of the lower adjusting plate and can be abutted against the lower adjusting plate to lift; the optical machine leveling differential nut is arranged on the lower adjusting plate, and the top of the optical machine leveling differential nut abuts against the upper adjusting plate and can finely adjust the position of the upper adjusting plate; the optical machine is fixed on the top of the upper adjusting plate.
The utility model discloses a high accuracy 3D printer further sets up to: the optical machine coarse adjustment seat is a liftable optical machine coarse adjustment seat and is connected to the center of the bottom of the lower adjusting plate.
The utility model discloses a high accuracy 3D printer further sets up to: the optical machine leveling differential nut is specifically provided with four nuts and is arranged at four corners of the lower adjusting plate.
The utility model discloses a high accuracy 3D printer further sets up to: the lower adjusting plate is provided with a locking bolt; the locking bolt penetrates through the upper adjusting plate; the upper adjusting plate can lift along the locking bolt.
The utility model discloses a high accuracy 3D printer further sets up to: the material containing mechanism comprises a turntable bearing, a mounting seat, a resin box, a driving motor and a driving gear; the turntable bearing is pivoted on the mounting plate, and a circle of outer gear ring is arranged on the outer side of the turntable bearing; the mounting seat is mounted on the outer gear ring; the resin box is fixedly connected with the mounting seat; the driving motor is arranged at the bottom of the mounting plate and is connected with and drives the driving gear to rotate; and the driving gear is meshed with the outer gear ring, so that the driving motor drives the turntable bearing and the resin box to rotate.
The utility model discloses a high accuracy 3D printer further sets up to: the encoder is connected with a driven gear, the driven gear is meshed with the outer gear ring, and the encoder obtains the rotating angle of the resin box by measuring and calculating the rotating angle of the driven gear.
The utility model discloses a high accuracy 3D printer further sets up to: the bottom of the resin box is fixed with light-transmitting glass, and the resin box and the light-transmitting glass rotate by integral multiples of 360 degrees under the control of an encoder.
The utility model discloses a high accuracy 3D printer further sets up to: the Z-axis module comprises a motor base, a screw rod base I, Z shaft motor, a screw rod I, a lifting slide block and a printing platform mounting base; wherein, a top plate is fixed at the top of the frame; the motor base is fixed on the top plate; the screw rod seat I is fixed on the upper part of the motor seat; the Z-axis motor is arranged on the motor base; the screw rod I is vertically arranged and pivoted on the screw rod seat; the Z-axis motor is connected with and drives the screw rod I to rotate; the lifting slide block is matched with the screw rod I and is driven to lift through the rotation of the screw rod I; the printing platform mounting seat is fixedly arranged on the lifting slide block, and the printing platform is mounted on the printing platform mounting seat.
The utility model discloses a high accuracy 3D printer further sets up to: the scraper height adjusting mechanism comprises a driving module, a wedge block, a guide rail, a driving slide block, a scraper guide bearing, a scraper height adjusting column and a scraper support; the driving module is arranged on the top plate; the wedge block is connected to the driving module and driven by the driving module to move; the guide rail is fixedly connected with the wedge-shaped block, and the guide rail and the wedge-shaped block are linked; the driving sliding block is matched with the guide rail and can move along the guide rail, and the wedge-shaped block can lift the driving sliding block; the scraper guide bearing is fixed on the mounting plate; the bottom end of the scraper height adjusting column is connected to the driving sliding block, the scraper height adjusting column penetrates through the scraper guide bearing, and the top end of the scraper height adjusting column is connected with the scraper support.
The utility model discloses a high accuracy 3D printer further sets up to: the driving module specifically comprises a scraper lifting motor, a screw rod seat II, a screw rod II and a movable sliding block; wherein the screw rod seat II is fixedly arranged on the top plate; the scraper lifting motor is arranged on one side of the screw rod seat II; the screw rod II is horizontally arranged, is pivoted on the screw rod seat II and is connected with and driven by the scraper lifting motor to rotate; the movable sliding block is matched with the screw rod II and can be driven by the screw rod II to move along the screw rod II; the wedge-shaped block is connected to the movable sliding block.
The utility model discloses a high accuracy 3D printer still can set up to: a pair of inverted V-shaped guide strips is arranged on the screw rod seat II; the movable sliding block is provided with an inverted V-shaped guide groove matched with the guide strip; the inverted V-shaped guide strips are symmetrically distributed on two sides of the screw rod II.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a high accuracy 3D printer passes through the position that the coarse adjustment of ray apparatus adjusted seat and ray apparatus leveling differential nut comes the coarse adjustment and finely tune the ray apparatus to can focus the ray apparatus, and then adjust the projection scope of ray apparatus, improve the printing precision of printer greatly.
2. The high-precision 3D printer of the utility model is provided with the encoder, when the turntable bearing causes a step to be lost due to the blocking of the foreign matter, the driving motor is immediately stopped, and the resin box is prevented from being damaged; meanwhile, the method can also detect that a small number of steps of the turntable bearing are lost or multiple steps are carried out corresponding feedback, so that the driving motor carries out corresponding step compensation.
3. The high-precision 3D printer of the utility model adopts the motor to drive the scraper height adjusting mechanism, so as to control the height of the scraper, thus leading the height adjustment of the scraper to be convenient and leading the automation degree to be high; and the distance between the bottom edge of the scraper and the bottom of the resin box is accurately controlled, so that the thickness of the printing layer is uniform and accurate.
[ description of the drawings ]
Fig. 1 is the utility model discloses a high accuracy 3D printer's perspective view.
Fig. 2 is the utility model discloses a high accuracy 3D printer another perspective view.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a partially enlarged view at B in fig. 1.
Fig. 5 is the utility model discloses a structural schematic of the Z axle module of high accuracy 3D printer.
Fig. 6 is a partially enlarged view at C in fig. 1.
Fig. 7 is a sectional view of the material holding mechanism of the present invention.
[ detailed description ] embodiments
Referring to the attached drawings 1 to 7 of the specification, the utility model relates to a high accuracy 3D printer, which comprises a frame 1, an optical machine 2, an optical machine adjusting mechanism 3, a mounting plate 4, a material containing mechanism 5, an encoder 6, a Z-axis module 7, a printing platform 8, a scraper height adjusting mechanism 9 and the like.
Wherein, ray apparatus 2 passes through ray apparatus adjustment mechanism 3 to be installed in frame 1, and ray apparatus adjustment mechanism 3 can adjust the ray apparatus 2 position. The optical machine 2 is a commercially available high-precision optical machine, and therefore, the details thereof are not described herein.
Specifically, the optical engine adjusting mechanism 3 is composed of a bottom plate 31, an optical engine rough adjusting seat 32, a lower adjusting plate 33, an optical engine leveling differential nut 34, an upper adjusting plate 35 and the like. The bottom plate 31 is horizontally fixed on the frame 1.
The bare engine coarse adjustment seat 32 is installed on the bottom plate 31, and the top of the bare engine coarse adjustment seat is connected to the bottom of the lower adjustment plate 33 and can be abutted against the lower adjustment plate 33 to lift. In this embodiment, the bare engine coarse adjustment seat 32 is a liftable bare engine coarse adjustment seat, and is connected to the bottom center of the lower adjustment plate 33.
The opto-mechanical leveling differential nut 34 is mounted on the lower adjustment plate 33 with its top abutting against the upper adjustment plate 35 and enabling fine adjustment of the position of the upper adjustment plate 35. The optical machine leveling differential nuts 34 are specifically provided with four, are arranged at four corners of the lower adjusting plate 4, and can stably support the upper adjusting plate 35.
The optical machine 2 is fixed on the top of the upper adjusting plate 35, and is adjusted correspondingly with the position adjustment of the upper adjusting plate 35.
Further, a locking bolt 36 is arranged on the lower adjusting plate 33; the locking bolt 36 penetrates through the upper adjusting plate 35; the upper adjusting plate 35 can be lifted and lowered along the locking bolt 36.
The design principle of the optical machine adjusting mechanism 3 is as follows: when the position of the optical machine 2 needs to be adjusted, the optical machine coarse adjustment seat 32 is adjusted first, so that the optical machine coarse adjustment seat 32 drives the lower adjustment plate 33, the optical machine leveling differential nut 34 and the upper adjustment plate 35 in sequence, the optical machine 2 is linked through the upper adjustment plate 35, and the position of the optical machine 2 is adjusted preliminarily; and adjusting the optical machine leveling differential nut 34, driving the upper adjusting plate 35 by the optical machine leveling differential nut 34, finely adjusting the upper adjusting plate 35, linking the optical machine 2 through the upper adjusting plate 35, further accurately adjusting the position of the optical machine 2, and finally fixing and locking the upper adjusting plate 35 through the locking bolt 36.
The optical machine adjusting mechanism 3 coarsely adjusts the position of the optical machine 2 and finely adjusts the position of the optical machine 2 through the optical machine coarse adjusting seat 32 and the optical machine leveling differential nut 34, so that the focal length of the optical machine 2 can be adjusted to obtain a clear projection image, and the printing precision of the printer is greatly improved.
Further, the mounting plate 4 is horizontally fixed above the frame 1. The material containing mechanism 5 is arranged on the mounting plate 4.
Specifically, the material containing mechanism 5 is composed of a turntable bearing 51, a mounting seat 52, a resin box 53, a driving motor 54, a driving gear 55 and the like. Wherein, the turntable bearing 51 is pivoted on the mounting plate 4, and a circle of outer gear ring 56 is arranged at the outer side of the turntable bearing, and the outer gear ring 56 can rotate; the inner side of the slewing bearing 51 is fixed.
The mount 52 is mounted on the outer ring gear 56, which rotates with the rotation of the outer ring gear 56. The resin box 53 is fixedly connected with the mounting seat 52, and the two are linked. A light-transmitting glass 58 is fixed to the bottom of the resin case 53.
The driving motor 54 is mounted at the bottom of the mounting plate 4 and is connected to and drives the driving gear 55 to rotate. The drive gear 55 and the external gear 56 are engaged with each other, so that the drive motor 54 drives the turntable bearing 51 and the resin cartridge 53 to rotate.
The encoder 6 is matched with the material containing mechanism 5. Specifically, the encoder 6 is connected with a driven gear 61, and the driven gear 61 is meshed with the outer gear ring 56 of the material containing mechanism 5. When the turntable bearing 51 blocks the rotation due to the foreign matter, and leads to the step loss, the encoder 6 can immediately stop the driving motor 54, so as to prevent the resin box 53 from being damaged; meanwhile, the device can also detect that a small number of steps of the turntable bearing 51 are lost or multiple steps are carried out corresponding feedback, so that the driving motor 54 carries out corresponding step compensation.
When the driving motor 54 drives the outer gear ring 56 of the turntable bearing 51 to rotate, the outer gear ring 56 is also linked with the driven gear 61, and the encoder 6 calculates the rotating angle of the driven gear 61 to obtain the rotating angle of the resin box 53 of the material containing mechanism 5, so that the thickness of the printing layer is accurately controlled.
Meanwhile, the rotation angle of the resin box 53 is controlled by the encoder 6, so that the rotation of the resin box 53 is integral multiple of 360 degrees, and the position of the transparent glass 58 at the bottom of the resin box 53 is constant during printing each time, thereby reducing the printing error caused by the flatness error of the transparent glass 58.
The Z-axis module 7 is connected to the rack 1, is provided with a printing platform 8 and can drive the printing platform 8 to lift. Specifically, the Z-axis module 7 is composed of a motor base 71, a screw base I72, a Z-axis motor 73, a screw I74, a lifting slider 75, a printing platform mounting base 76 and the like.
Wherein, a top plate 11 is fixed on the top of the frame 1; the motor base 71 is fixed to the top plate 11. The screw seat I72 is fixed on the upper part of the motor seat 71. The Z-axis motor 73 is mounted on the motor base 71.
The screw I74 is vertically arranged and pivoted on the screw seat 72; the Z-axis motor 73 is connected with and drives the screw I74 to rotate.
The lifting slide block 75 is matched with the screw rod I74, and the lifting slide block 75 is driven to lift through the rotation of the screw rod I74. The printing platform mounting seat 76 is fixed on the lifting slider 75, and the printing platform 8 is mounted on the printing platform mounting seat.
When the Z-axis module 7 works, the Z-axis motor 73 drives the lead screw I74, the lead screw I74 rotates to drive the lifting slide block 75 to lift, the lifting slide block 75 is linked with the printing platform mounting base 76, and the printing platform mounting base 76 drives the printing platform 8 on the printing platform mounting base to lift.
Still further, the scraper height adjusting mechanism 9 is arranged on one side of the material containing mechanism 5, is provided with a scraper 10, and can drive the scraper 10 to ascend and descend so as to adjust the height of the scraper. In this embodiment, the scraper is a conventional scraper, and therefore, the description thereof is omitted.
The scraper height adjusting mechanism 9 is composed of a driving module 91, a wedge block 92, a guide rail 93, a driving slide block 94, a scraper guide bearing 95, a scraper height adjusting column 96, a scraper support 97 and the like.
Wherein the driving module 91 is mounted on the top plate 11. In this embodiment, the driving module 91 is a screw driving module, and specifically includes a scraper lifting motor 911, a screw base II912, a screw II913, and a moving slider 914. The screw boss II912 is held on the top plate 11. The scraper lifting motor 911 is installed at one side of the screw rod seat II 912. The screw rod II913 is horizontally arranged, is pivoted on the screw rod seat II912, and is connected with and driven by the scraper lifting motor 911 to rotate. The moving slider 914 is engaged with the screw II913, and can be driven by the screw II913 to move along the screw II 913.
A pair of inverted V-shaped guide strips 98 is arranged on the screw rod seat II 912; the inverted V-shaped guide bars 98 are symmetrically distributed on two sides of the screw rod II 913. The movable sliding block 914 is provided with an inverted V-shaped guide groove 99 which is matched with the guide strip 98. The guide strip 98 and the inverted V-shaped guide groove 99 cooperate to guide the movable slider 914 and prevent the movable slider 914 from deflecting.
The wedge block 92 is connected to the driving module 91 and is driven by the driving module 91 to move. In particular, the wedge block 92 is connected to the moving slide 914 of the driving module 91.
The guide rail 93 is fixedly connected with the wedge block 92, and the guide rail and the wedge block are linked. The driving slider 94 is engaged with the guide rail 93 and can move along the guide rail 93, and the wedge block 92 can lift up the driving slider 94.
The scraper guide bearing 95 is fixed to the mounting plate 4. The bottom end of the scraper height adjusting column 96 is connected to the driving slider 94, which passes through the scraper guide bearing 95, and the top end is connected to the scraper support 97.
The working principle of the scraper height adjusting mechanism 9 is as follows: the scraper lifting motor 911 drives the screw rod II913 to rotate, and the screw rod II913 drives the movable slider 914 to move; and then the wedge block 92 and the guide rail 93 which are linked and fixed on the slide block 914 move. Since the wedge block 92 is disposed obliquely, the guide rail 93 is also disposed obliquely. When the guide rail 93 moves obliquely, the driving slider 94 can move along the guide rail 93, meanwhile, the driving slider 94 can lift or pull down the scraper height adjusting column 96, the scraper height adjusting column 96 is linked with the scraper support 97, and the scraper support 97 drives the scraper 10 to lift.
The scraper height adjusting mechanism 9 is driven by a scraper lifting motor 911 to control the height of the scraper, so that the height of the scraper is convenient to adjust, and the automation degree is high; and the distance between the bottom edge of the scraper and the bottom of the resin box 53 is accurately controlled, so that the thickness of the printing layer is uniform and accurate.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (12)
1. The utility model provides a high accuracy 3D printer which characterized in that: the automatic printing device comprises a rack, an optical machine adjusting mechanism, a mounting plate, a material containing mechanism, an encoder, a Z-axis module, a printing platform and a scraper height adjusting mechanism; the optical machine is arranged on the rack through an optical machine adjusting mechanism, and the optical machine adjusting mechanism can adjust the position of the optical machine; the mounting plate is fixed above the rack; the material containing mechanism is arranged on the mounting plate; the encoder is matched with the material containing mechanism; the Z-axis module is connected to the rack, is provided with a printing platform and can drive the printing platform to lift; the scraper height adjusting mechanism is arranged on one side of the material containing mechanism, is provided with a scraper and can drive the scraper to lift and adjust the height of the scraper.
2. The high precision 3D printer of claim 1, wherein: the optical machine adjusting mechanism comprises a bottom plate, an optical machine coarse adjusting seat, a lower adjusting plate, an optical machine leveling differential nut and an upper adjusting plate; wherein, the bottom plate is horizontally fixed on the frame; the optical machine coarse adjustment seat is arranged on the bottom plate, and the top of the optical machine coarse adjustment seat is connected to the bottom of the lower adjusting plate and can be abutted against the lower adjusting plate to lift; the optical machine leveling differential nut is arranged on the lower adjusting plate, and the top of the optical machine leveling differential nut abuts against the upper adjusting plate and can finely adjust the position of the upper adjusting plate; the optical machine is fixed on the top of the upper adjusting plate.
3. The high precision 3D printer of claim 2, wherein: the optical machine coarse adjustment seat is a liftable optical machine coarse adjustment seat and is connected to the center of the bottom of the lower adjusting plate.
4. The high precision 3D printer of claim 2, wherein: the optical machine leveling differential nut is specifically provided with four nuts and is arranged at four corners of the lower adjusting plate.
5. The high precision 3D printer of claim 2, wherein: the lower adjusting plate is provided with a locking bolt; the locking bolt penetrates through the upper adjusting plate; the upper adjusting plate can lift along the locking bolt.
6. The high precision 3D printer of claim 1, wherein: the material containing mechanism comprises a turntable bearing, a mounting seat, a resin box, a driving motor and a driving gear; the turntable bearing is pivoted on the mounting plate, and a circle of outer gear ring is arranged on the outer side of the turntable bearing; the mounting seat is mounted on the outer gear ring; the resin box is fixedly connected with the mounting seat; the driving motor is arranged at the bottom of the mounting plate and is connected with and drives the driving gear to rotate; and the driving gear is meshed with the outer gear ring, so that the driving motor drives the turntable bearing and the resin box to rotate.
7. The high precision 3D printer of claim 6, wherein: the encoder is connected with a driven gear, the driven gear is meshed with the outer gear ring, and the encoder obtains the rotating angle of the resin box by measuring and calculating the rotating angle of the driven gear.
8. The high precision 3D printer of claim 6, wherein: the bottom of the resin box is fixed with light-transmitting glass, and the resin box and the light-transmitting glass rotate by integral multiples of 360 degrees under the control of an encoder.
9. The high precision 3D printer of claim 1, wherein: the Z-axis module comprises a motor base, a screw rod base I, Z shaft motor, a screw rod I, a lifting slide block and a printing platform mounting base; wherein, a top plate is fixed at the top of the frame; the motor base is fixed on the top plate; the screw rod seat I is fixed on the upper part of the motor seat; the Z-axis motor is arranged on the motor base; the screw rod I is vertically arranged and pivoted on the screw rod seat; the Z-axis motor is connected with and drives the screw rod I to rotate; the lifting slide block is matched with the screw rod I and is driven to lift through the rotation of the screw rod I; the printing platform mounting seat is fixedly arranged on the lifting slide block, and the printing platform is mounted on the printing platform mounting seat.
10. The high precision 3D printer of claim 1, wherein: the scraper height adjusting mechanism comprises a driving module, a wedge block, a guide rail, a driving slide block, a scraper guide bearing, a scraper height adjusting column and a scraper support; the driving module is arranged on the top plate; the wedge block is connected to the driving module and driven by the driving module to move; the guide rail is fixedly connected with the wedge-shaped block, and the guide rail and the wedge-shaped block are linked; the driving sliding block is matched with the guide rail and can move along the guide rail, and the wedge-shaped block can lift the driving sliding block; the scraper guide bearing is fixed on the mounting plate; the bottom end of the scraper height adjusting column is connected to the driving sliding block, the scraper height adjusting column penetrates through the scraper guide bearing, and the top end of the scraper height adjusting column is connected with the scraper support.
11. The high precision 3D printer of claim 10, wherein: the driving module specifically comprises a scraper lifting motor, a screw rod seat II, a screw rod II and a movable sliding block; wherein the screw rod seat II is fixedly arranged on the top plate; the scraper lifting motor is arranged on one side of the screw rod seat II; the screw rod II is horizontally arranged, is pivoted on the screw rod seat II and is connected with and driven by the scraper lifting motor to rotate; the movable sliding block is matched with the screw rod II and can be driven by the screw rod II to move along the screw rod II; the wedge-shaped block is connected to the movable sliding block.
12. The high precision 3D printer of claim 11, wherein: a pair of inverted V-shaped guide strips is arranged on the screw rod seat II; the movable sliding block is provided with an inverted V-shaped guide groove matched with the guide strip; the inverted V-shaped guide strips are symmetrically distributed on two sides of the screw rod II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345823.9U CN211518505U (en) | 2019-12-24 | 2019-12-24 | High accuracy 3D printer |
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| CN201922345823.9U CN211518505U (en) | 2019-12-24 | 2019-12-24 | High accuracy 3D printer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055495A (en) * | 2019-12-24 | 2020-04-24 | 浙江迅实科技有限公司 | High accuracy 3D printer |
| CN114474728A (en) * | 2022-01-26 | 2022-05-13 | 中国农业大学 | High-resolution printing nozzle transmission control mechanism, device, system and method |
-
2019
- 2019-12-24 CN CN201922345823.9U patent/CN211518505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055495A (en) * | 2019-12-24 | 2020-04-24 | 浙江迅实科技有限公司 | High accuracy 3D printer |
| CN114474728A (en) * | 2022-01-26 | 2022-05-13 | 中国农业大学 | High-resolution printing nozzle transmission control mechanism, device, system and method |
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