CN113320165A - Part 3D printing device for home design - Google Patents

Part 3D printing device for home design Download PDF

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Publication number
CN113320165A
CN113320165A CN202110639969.3A CN202110639969A CN113320165A CN 113320165 A CN113320165 A CN 113320165A CN 202110639969 A CN202110639969 A CN 202110639969A CN 113320165 A CN113320165 A CN 113320165A
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CN
China
Prior art keywords
fixedly connected
sliding block
printing device
carriage
frame
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Granted
Application number
CN202110639969.3A
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Chinese (zh)
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CN113320165B (en
Inventor
汪明镜
郭乘伸
杲颖
李鹏程
郜世萌
于睿
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Guangzhou Zhaoji Biotechnology Co ltd
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Jiangsu Jianzhu Institute
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Priority to CN202110639969.3A priority Critical patent/CN113320165B/en
Publication of CN113320165A publication Critical patent/CN113320165A/en
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Publication of CN113320165B publication Critical patent/CN113320165B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/357Recycling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/35Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)

Abstract

The invention discloses a 3D printing device for a part for home design, which comprises a base, wherein a supporting frame is fixedly connected to the base, a transverse plate is fixedly connected to the upper end of the supporting frame, a supporting plate is fixedly connected to the inner wall of the supporting frame, a D printer is fixedly installed at the bottom of the supporting plate, a first rotating rod is arranged between the supporting plate and the transverse plate and rotatably connected with the inner wall of one side of the supporting frame, the other end of the first rotating rod penetrates through the supporting frame and is rotatably connected with the supporting frame, a first reciprocating screw rod is interrupted to form the first rotating rod, a first sliding block which abuts against and is in sliding connection with the transverse plate is arranged at the bottom of the transverse plate, and the first reciprocating screw rod penetrates through the first sliding block and is in matched connection with the first sliding block. According to the invention, powder can be effectively removed through one driving motor, the screen plate can be vibrated and cleaned at the same time, the powder can be cleaned and collected without stopping the 3D printing equipment, and the working efficiency is improved.

Description

Part 3D printing device for home design
Technical Field
The invention relates to the technical field of home design, in particular to a 3D printing device for a part for home design.
Background
A 3D printer, also known as a three-dimensional printer (3DP), is a machine that is an additive manufacturing technique, i.e., a rapid prototyping technique, which is based on a digital model file, and manufactures a three-dimensional object by printing a layer of adhesive material on a layer by layer using an adhesive material such as a special wax material, powdered metal, or plastic. State of the art three-dimensional printers are used to manufacture products. Techniques for building objects in a layer-by-layer printing manner. The principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the product layer by layer according to the program.
Some parts in household design are usually printed by 3D printing equipment, but when the 3D printing equipment is used for printing, after each layer of powder is sintered by laser, the powder scraping gas is used for recovering the redundant powder; after printing is finished, the redundant powder also needs to be recycled; when powder is recovered, the equipment is normally closed, a door of the 3D printing equipment is opened to take out the powder in the equipment, and the powder remained in a front pipeline and a rear-wall pipeline in the equipment is collected; the equipment is shut down, so that the production efficiency is greatly delayed; and the powder that 3D printing apparatus was when printing is kicked out from equipment and is mixed with the air and is inhaled the health by the operator, can harm people's health.
Therefore, aiming at the defects of the 3D printing device for the household design part in the prior art, the 3D printing device for the household design part is provided, wherein the 3D printer is not required to be closed, and the powder can be taken out and collected.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a 3D printing device for a household design part.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D printing device for a component for home design comprises a base, wherein a supporting frame is fixedly connected to the base, a transverse plate is fixedly connected to the upper end of the supporting frame, a supporting plate is fixedly connected to the inner wall of the supporting frame, a 3D printer is fixedly mounted at the bottom of the supporting plate, a first rotating rod is arranged between the supporting plate and the transverse plate and rotatably connected with the inner wall of one side of the supporting frame, the other end of the first rotating rod penetrates through the supporting frame and is rotatably connected with the supporting frame, a first reciprocating screw rod is interrupted into a first reciprocating screw rod, a first sliding block which is abutted against the transverse plate and is in sliding connection with the transverse plate is arranged at the bottom of the transverse plate, the first reciprocating screw rod penetrates through the first sliding block and is in matched connection with the first sliding block, a dust suction hood is fixedly mounted at the bottom of the first sliding block, and a funnel-shaped placing frame which is positioned between the supporting plate and the base is arranged in the supporting frame, the utility model discloses a dust hood, including frame and base, infundibulate, the frame is placed to the infundibulate, the upper end fixed connection of frame through four bracing pieces and base is placed to the infundibulate, the inner wall sliding connection that the frame was placed to the infundibulate has the otter board that can reset, the infundibulate is placed the frame and is transversely run through the second dwang rather than rotating and being connected, be equipped with the reciprocal lead screw of second on the second dwang, be equipped with clearance vibrations mechanism between the reciprocal lead screw of second and the otter board, the outer wall fixedly connected with mounting panel of carriage, driving motor is installed to the upper end of mounting panel, driving motor's output fixedly connected with axostylus axostyle, the axostylus axostyle runs through the carriage and is connected rather than rotating, be equipped with drive mechanism between axostylus axostyle and first dwang and the second dwang, just axostylus axostyle and carriage, infundibulate are placed and are equipped with negative pressure mechanism between frame and the dust hood.
Preferably, the inner wall of the funnel-shaped placing frame opposite to the inner wall is fixedly connected with two positioning blocks, the two positioning blocks are distributed up and down, two guide rods are fixedly connected between the positioning blocks, the two guide rods penetrate through the screen plate and are in sliding connection with the screen plate, a return spring is fixedly connected between the screen plate and the positioning blocks, and two ends of the return spring are fixedly connected with the screen plate and the positioning blocks.
Preferably, clearance vibrations mechanism includes places frame inner wall sliding connection's second sliding block with the infundibulate, the reciprocal lead screw of second runs through the second sliding block and is connected rather than the cooperation, the bottom fixedly connected with clearance brush and the fixed block of second sliding block, the upper end fixedly connected with serration plate of otter board, the fixed block offsets and the phase-match with the serration plate.
Preferably, the bottom of the fixed block is in an isosceles trapezoid shape.
Preferably, the transmission mechanism comprises a first transmission wheel fixed on the first rotating rod, a second transmission wheel fixed on the shaft rod and a third transmission wheel fixed on the second rotating rod, and the first transmission wheel, the second transmission wheel and the third transmission wheel are connected through a belt.
Preferably, the first driving wheel, the second driving wheel and the third driving wheel are distributed in a triangular shape.
Preferably, negative pressure mechanism is including installing the negative pressure fan at the carriage inner wall, first connecting pipe is installed to negative pressure fan's air inlet end, the collecting pipe is installed to the bottom that the frame was placed to the infundibulate, the collecting pipe is linked together with first connecting pipe, install the second connecting pipe rather than intercommunication each other on the first connecting pipe, the second connecting pipe is linked together with the suction hood.
Preferably, the second connection pipe is a hose.
Compared with the prior art, the invention has the beneficial effects that:
the powder can be collected without stopping the 3D printer, and multiple functions can be realized through one driving motor; the driving motor works, the shaft lever rotates to drive the negative pressure fan to work, the negative pressure fan can generate negative pressure at the collecting pipe and the dust hood to suck away powder in the supporting frame, the first rotating rod rotates to drive the first reciprocating screw rod to rotate, and the first sliding block cannot rotate under the action of the transverse plate, so that when the first reciprocating screw rod rotates, the first sliding block and the dust hood can work, and the powder in the supporting frame can be sucked away by the moving dust hood with the negative pressure;
the second rotating rod rotates to drive the second reciprocating screw rod to work, when the second reciprocating screw rod rotates, the second sliding block can reciprocate, powder on the screen plate can be cleaned through the cleaning brush and falls into the funnel-shaped placing frame, and finally the powder is sucked away through the collecting pipe and the first connecting pipe;
simultaneously, the second sliding block moves and drives the fixed block to move, the second fixed block is abutted to the sawtooth plate, the sawtooth plate and the screen plate can move downwards intermittently, and when the sawtooth plate and the screen plate do not move downwards, the reset of the screen plate can be realized under the action of the reset spring, so that the vibration of the screen plate can be realized, and the powder on the screen plate is effectively cleaned.
In conclusion, the powder can be effectively removed through one driving motor, the screen plate can vibrate and can be cleaned, the powder can be cleaned and collected without stopping the 3D printing equipment, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a 3D printing device for a home design component according to the present invention;
fig. 2 is a schematic structural diagram of a part of a 3D printing device for a home design component according to the present invention;
FIG. 3 is a side view of a belt in a 3D printing device for a home design component according to the present invention;
fig. 4 is a perspective view of a fixing block in a 3D printing device for a home design component according to the present invention.
In the figure: the automatic cleaning machine comprises a base, a supporting frame, a transverse plate, a first rotating rod, a first reciprocating screw rod, a first sliding block, a dust hood, a first driving wheel, a supporting plate, a 103D printer, a supporting rod 11, a funnel-shaped placing frame, a second rotating rod, a second reciprocating screw rod, a collecting pipe 15, a first connecting pipe 16, a negative pressure fan 17, a mounting plate 18, a driving motor 19, a shaft rod 20, a second driving wheel 21, a third driving wheel 22, a belt 23, a second sliding block 24, a fixed block 25, a cleaning brush 26, a positioning block 27, a guide rod 28, a return spring 29, a screen plate 30, a second connecting pipe 31 and a serrated plate 32.
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.
Referring to fig. 1-4, a 3D printing device for a home design component includes a base 1, a support frame 2 is fixedly connected to the base 1, a transverse plate 3 is fixedly connected to the upper end of the support frame 2, a support plate 9 is fixedly connected to the inner wall of the support frame 2, a 3D printer 10 is fixedly mounted at the bottom of the support plate 9, and the 3D printer 10 is the prior art and is not described herein again; be equipped with first rotation pole 4 between backup pad 9 and the diaphragm 3, first rotation pole 4 rotates with the one side inner wall of carriage 2 and is connected, the other end of first rotation pole 4 runs through carriage 2 and rotates rather than being connected, the interrupt of first rotation pole 4 is first reciprocal lead screw 5, the bottom of diaphragm 3 is equipped with rather than counterbalance and sliding connection's first sliding block 6, first reciprocal lead screw 5 runs through first sliding block 6 and is connected rather than the cooperation, the bottom fixed mounting of first sliding block 6 has suction hood 7, when first reciprocal lead screw 5 rotates, can realize first sliding block 6 reciprocating motion, and then can drive suction hood 7 reciprocating motion.
Be equipped with the infundibulate that is located between backup pad 9 and the base 1 in the carriage 2 and place frame 12, the infundibulate is placed frame 12 and is passed through four bracing pieces 11 and base 1's upper end fixed connection, the inner wall sliding connection that frame 12 was placed to the infundibulate has otter board 30 that can reset, the infundibulate is placed two locating pieces 27 of the equal fixedly connected with of inner wall that frame 12 is relative, two locating pieces 27 distribute from top to bottom, and fixedly connected with guide bar 28 between two locating pieces 27, two guide bar 28 all run through otter board 30 and rather than sliding connection, fixedly connected with reset spring 29 between otter board 30 and the locating piece 27, reset spring 29's both ends and otter board 30 and locating piece 27 fixed connection, can make the otter board 30 of downward movement reset through reset spring 29, so otter board 30 intermittent type reciprocates, vibrations promptly, be favorable to all falling the powder on the otter board 30.
The funnel-shaped placing frame 12 is transversely provided with a second rotating rod 13 which is rotatably connected with the funnel-shaped placing frame in a penetrating mode, a second reciprocating screw rod 14 is arranged on the second rotating rod 13, a cleaning vibration mechanism is arranged between the second reciprocating screw rod 14 and the screen plate 30 and comprises a second sliding block 24 which is slidably connected with the inner wall of the funnel-shaped placing frame 12, the second reciprocating screw rod 14 penetrates through the second sliding block 24 and is connected with the second sliding block in a matching mode, the bottom of the second sliding block 24 is fixedly connected with a cleaning brush 26 and a fixing block 25, the upper end of the screen plate 30 is fixedly connected with a sawtooth plate 32, and the fixing block 25 abuts against and is matched with the; wherein, the bottom of fixed block 25 is isosceles trapezoid and sets up.
The outer wall of the supporting frame 2 is fixedly connected with an installation plate 18, the upper end of the installation plate 18 is provided with a driving motor 19, the output end of the driving motor 19 is fixedly connected with a shaft rod 20, the shaft rod 20 penetrates through the supporting frame 2 and is rotatably connected with the supporting frame 2, a transmission mechanism is arranged between the shaft rod 20 and the first rotating rod 4 as well as between the shaft rod 20 and the second rotating rod 13, the transmission mechanism comprises a first transmission wheel 8 fixed on the first rotating rod 4, a second transmission wheel 21 fixed on the shaft rod 20 and a third transmission wheel 22 fixed on the second rotating rod 13, and the first transmission wheel 8, the second transmission wheel 21 and the third transmission wheel 22 are connected through a belt 23; the first transmission wheel 8, the second transmission wheel 21 and the third transmission wheel 22 are distributed in a triangular shape, so that stable transmission of the first transmission wheel 8, the second transmission wheel 21 and the third transmission wheel 22 can be ensured.
A negative pressure mechanism is arranged between the shaft rod 20 and the supporting frame 2, between the funnel-shaped placing frame 12 and between the shaft rod and the dust hood 7, the negative pressure mechanism comprises a negative pressure fan 17 arranged on the inner wall of the supporting frame 2, a first connecting pipe 16 is arranged at the air inlet end of the negative pressure fan 17, a collecting pipe 15 is arranged at the bottom of the funnel-shaped placing frame 12, the collecting pipe 15 is communicated with the first connecting pipe 16, a second connecting pipe 31 communicated with the first connecting pipe 16 is arranged on the first connecting pipe 16, and the second connecting pipe 31 is communicated with the dust hood 7; wherein, the second connecting pipe 31 is a hose; wherein the air-out end of negative pressure fan 17 is connected with the outside box of carriage 2 through the conveyer pipe to conveniently carry out the splendid attire to the powder of collecting.
When the automatic transmission device is used, a worker starts the driving motor 19, the driving motor 19 works to drive the shaft rod 20 and the second transmission wheel 21 to rotate, the first transmission wheel 8 and the third transmission wheel 22 can rotate under the transmission of the belt 23, and then the first rotating rod 4 and the second rotating rod 13 can rotate;
the shaft lever 20 rotates to drive the negative pressure fan 17 to work, the negative pressure fan 17 can generate negative pressure at the collecting pipe 15 and the dust hood 7 when working, so that powder in the supporting frame 2 can be sucked away, the first rotating rod 4 rotates to drive the first reciprocating screw rod 5 to rotate, and the first sliding block 6 cannot rotate under the action of the transverse plate 3, so that when the first reciprocating screw rod 5 rotates, the first sliding block 6 and the dust hood 7 can work, and the powder in the supporting frame 2 can be sucked away by moving the dust hood 7 with the negative pressure;
the second rotating rod 13 rotates to drive the second reciprocating screw rod 14 to work, when the second reciprocating screw rod 14 rotates, the second sliding block 24 can reciprocate, powder on the screen plate 30 can be cleaned through the cleaning brush 26 and falls into the funnel-shaped placing frame 12, and finally the powder is sucked away through the collecting pipe 15 and the first connecting pipe 16;
meanwhile, the second sliding block 24 moves to drive the fixed block 25 to move, the second fixed block 25 abuts against the sawtooth plate 32, the sawtooth plate 32 and the screen plate 30 can be intermittently moved downwards, and when the sawtooth plate 32 and the screen plate 30 do not move downwards, the reset of the screen plate 30 can be realized under the action of the reset spring 29, so that the vibration of the screen plate 30 can be realized, and the powder on the screen plate 30 is effectively cleaned;
through the aforesaid, 3D printer 10 during operation need not the stop equipment and can clear up the powder in the carriage 2, and the effect of clearance is better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a 3D printing device of part for home design, includes base (1), its characterized in that, fixedly connected with carriage (2) on base (1), the upper end fixedly connected with diaphragm (3) of carriage (2), the inner wall fixedly connected with backup pad (9) of carriage (2), the bottom fixed mounting of backup pad (9) has 3D printer (10), be equipped with first pivot pole (4) between backup pad (9) and diaphragm (3), first pivot pole (4) are connected with one side inner wall rotation of carriage (2), the other end of first pivot pole (4) runs through carriage (2) and is connected rather than the rotation, the interrupt of first pivot pole (4) is first reciprocating screw rod (5), the bottom of diaphragm (3) is equipped with rather than counterbalance and sliding connection's first sliding block (6), first reciprocal lead screw (5) run through first sliding block (6) and are connected rather than the cooperation, the bottom fixed mounting of first sliding block (6) has suction hood (7), be equipped with the infundibulate that is located between backup pad (9) and base (1) in carriage (2) and place frame (12), the infundibulate is placed frame (12) and is passed through the upper end fixed connection of four bracing pieces (11) and base (1), the inner wall sliding connection that frame (12) was placed to the infundibulate has otter board (30) that can reset, the infundibulate is placed frame (12) and transversely runs through and is equipped with second dwang (13) rather than the rotation is connected, be equipped with reciprocal lead screw of second (14) on second dwang (13), be equipped with clearance vibrations mechanism between reciprocal lead screw of second (14) and otter board (30), the outer wall fixedly connected with mounting panel (18) of carriage (2), driving motor (19) are installed to the upper end of mounting panel (18), output fixedly connected with axostylus axostyle (20) of driving motor (19), axostylus axostyle (20) run through carriage (2) and rotate rather than being connected, be equipped with drive mechanism between axostylus axostyle (20) and first dwang (4) and second dwang (13), just be equipped with negative pressure mechanism between axostylus axostyle (20) and carriage (2), infundibulate placement frame (12) and suction hood (7).
2. The 3D printing device for the household design component is characterized in that two positioning blocks (27) are fixedly connected to the opposite inner walls of the funnel-shaped placing frame (12), the two positioning blocks (27) are vertically distributed, a guide rod (28) is fixedly connected between the two positioning blocks (27), the two guide rods (28) penetrate through the screen plate (30) and are in sliding connection with the screen plate, a return spring (29) is fixedly connected between the screen plate (30) and the positioning blocks (27), and two ends of the return spring (29) are fixedly connected with the screen plate (30) and the positioning blocks (27).
3. The 3D printing device for the household design component is characterized in that the cleaning and vibrating mechanism comprises a second sliding block (24) which is in sliding connection with the inner wall of the funnel-shaped placing frame (12), the second reciprocating screw rod (14) penetrates through the second sliding block (24) and is in fit connection with the second sliding block, a cleaning brush (26) and a fixing block (25) are fixedly connected to the bottom of the second sliding block (24), a serrated plate (32) is fixedly connected to the upper end of the screen plate (30), and the fixing block (25) abuts against and is matched with the serrated plate (32).
4. A3D printing device for household design parts according to claim 3, characterized in that the bottom of the fixing block (25) is in the shape of an isosceles trapezoid.
5. A3D printing device for household design parts according to claim 1, characterized in that the transmission mechanism comprises a first transmission wheel (8) fixed on the first rotating rod (4), a second transmission wheel (21) fixed on the shaft rod (20) and a third transmission wheel (22) fixed on the second rotating rod (13), and the first transmission wheel (8), the second transmission wheel (21) and the third transmission wheel (22) are connected through a belt (23).
6. A3D printing device for household design parts according to claim 5, characterized in that the first driving wheel (8), the second driving wheel (21) and the third driving wheel (22) are distributed in a triangular shape.
7. The component 3D printing device for the household design according to claim 1, wherein the negative pressure mechanism comprises a negative pressure fan (17) installed on the inner wall of the supporting frame (2), a first connecting pipe (16) is installed at an air inlet end of the negative pressure fan (17), a collecting pipe (15) is installed at the bottom of the funnel-shaped placing frame (12), the collecting pipe (15) is communicated with the first connecting pipe (16), a second connecting pipe (31) communicated with the first connecting pipe (16) is installed on the first connecting pipe (16), and the second connecting pipe (31) is communicated with the dust hood (7).
8. A home furnishing design component 3D printing device according to claim 7, wherein the second connecting pipe (31) is a hose.
CN202110639969.3A 2021-06-08 2021-06-08 Part 3D printing device for home design Active CN113320165B (en)

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Application Number Priority Date Filing Date Title
CN202110639969.3A CN113320165B (en) 2021-06-08 2021-06-08 Part 3D printing device for home design

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Application Number Priority Date Filing Date Title
CN202110639969.3A CN113320165B (en) 2021-06-08 2021-06-08 Part 3D printing device for home design

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CN113320165B CN113320165B (en) 2022-04-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909622A (en) * 2021-09-30 2022-01-11 万安裕高电子科技有限公司 Recovery device for tin paste and tin powder of smt printing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210190625U (en) * 2019-07-01 2020-03-27 岳阳哈工三维科技有限公司 Dust cleaning device for 3D printer
CN111889678A (en) * 2020-09-10 2020-11-06 马鞍山英维爱生态科技有限公司 Powder return pipeline device of metal 3D printing equipment
CN213257113U (en) * 2020-09-22 2021-05-25 李小英 Powder return pipeline device of metal 3D printing equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210190625U (en) * 2019-07-01 2020-03-27 岳阳哈工三维科技有限公司 Dust cleaning device for 3D printer
CN111889678A (en) * 2020-09-10 2020-11-06 马鞍山英维爱生态科技有限公司 Powder return pipeline device of metal 3D printing equipment
CN213257113U (en) * 2020-09-22 2021-05-25 李小英 Powder return pipeline device of metal 3D printing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909622A (en) * 2021-09-30 2022-01-11 万安裕高电子科技有限公司 Recovery device for tin paste and tin powder of smt printing machine

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