CN110948860A

CN110948860A - Percussion instrument 3D printing device and 3D printing method

Info

Publication number: CN110948860A
Application number: CN201911272698.1A
Authority: CN
Inventors: 杨婧
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-04-03

Abstract

The invention relates to a percussion instrument 3D printing device which comprises a printing chamber, wherein a feeding device is arranged at the top of the printing chamber, the feeding device is connected with a conveying pipe which penetrates through the printing chamber and is positioned in the printing chamber, the other end of the conveying pipe is connected with a printing nozzle, a heater is arranged on the side surface of the printing nozzle, the printing nozzle is connected with the printing chamber through a moving support, the printing chamber is provided with a sliding mechanism, the sliding mechanism is connected with a workbench positioned at the bottom of the printing nozzle, the printing chamber is provided with a spraying chamber, a spraying device is arranged at the bottom of the spraying chamber, an end surface feeding device is arranged at the top of the spraying chamber, and turning devices are arranged on two sides of the spraying chamber. The invention has the advantage of improving the toughness and the strength of the printed musical instrument.

Description

Percussion instrument 3D printing device and 3D printing method

Technical Field

The invention relates to the technical field of 3D printing equipment, in particular to a percussion instrument 3D printing device and a 3D printing method.

Background

3D printing is currently the popular additive manufacturing process. The 3D printing process types which are mainstream in the market at present are selective laser sintering, photocuring forming, wire material melting extrusion forming, liquid jet printing forming, layered entity manufacturing, corresponding subdivision derivative technologies of the types and the like. However, at present, 3D printing is not applied to percussion instruments, and percussion instruments have higher requirements on toughness and strength of surfaces of the percussion instruments, so that general 3D printing cannot be used for percussion instrument printing.

A chinese patent with an authorization publication number CN104960202B discloses a 3D printing apparatus and method. The device comprises a printing chamber, a feeding device, a moving support, a printing nozzle, a heating body, an air pressure controller, a printing platform, a mechanical arm and a repairing tool bit. 3D printing is carried out by adopting a melting, extruding and condensing mode, the temperature difference between the material sprayed by the printing nozzle and the workpiece is strictly controlled, the consistency and the quality of the printed condensed material are ensured, the requirement on the material is lower, and 3D printing can be realized on most of the material; the requirement on materials is low, and 3D printing can be realized on most of the materials; in addition, the mechanical arm and the repairing cutter head are arranged in the printing chamber to facilitate printing and repairing, and finally the 3D printing process is realized. For the percussion instrument, it is necessary to enhance the strength of the whole and reinforce the end face of the percussion instrument, and this scheme is not suitable for 3D printing of the percussion instrument and thus needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a percussion instrument 3D printing device which has the advantages of improving the toughness and strength of a printed musical instrument.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a percussion instrument 3D printing device, is including printing the room, the top of printing the room is provided with material feeding unit, material feeding unit is connected with and runs through the printing room and is in the conveying pipeline in the printing room, the other end of conveying pipeline is connected with prints the shower nozzle, the side of printing the shower nozzle is provided with the heater, it passes through the motion leg joint with the printing room to print the shower nozzle, it is provided with slide mechanism to print the room, slide mechanism is connected with the workstation that is in the bottom of printing the shower nozzle, it is provided with the spray chamber to print the room, the bottom of spray chamber is provided with sprinkler, the top of spray chamber is provided with terminal surface feeding device, the both sides of spray chamber are provided with.

Through adopting above-mentioned technical scheme, store the raw materials in material feeding unit, material feeding unit can provide the raw materials for printing the shower nozzle through the conveying pipeline, uses to print the shower nozzle and can carry out 3D and print, utilizes the motion support, prints the shower nozzle and can carry out the removal of 3~5 dimension directions. After printing the shower nozzle and accomplishing percussion instrument's printing, slide mechanism drives the workstation and removes until the workstation gets into and sprays indoor, and sprinkler will spray the processing to percussion instrument's that prints out surface, strengthens holistic intensity. The end face feeding device can increase materials for the end face of the percussion instrument, namely the striking face, the strength and the toughness of the end face of the percussion instrument are enhanced, and the end face feeding device is used for enabling the percussion instrument to be overturned by 180 degrees to reinforce the other end face of the percussion instrument after materials are added to one end face because the percussion instrument needs to enhance the strength of the two end faces.

The invention is further configured to: the sprinkler includes the dead lever with the bottom fixed connection of spray chamber, be provided with first motor in the dead lever, first motor is connected with the dwang that is in the dead lever top, the both ends of dwang all are provided with the first nozzle that sets up for the dwang slope, and are a plurality of the opening direction of first nozzle is towards the middle part of dwang.

Through adopting above-mentioned technical scheme, first motor can drive the dwang and rotate and then drive a plurality of first nozzles and rotate, will carry out circumferential direction at pivoted in-process first nozzle, sprays from a plurality of directions to the 3D printed matter that is in on the workstation, reaches the purpose that the multi-angle sprayed on a large scale. After the rotating rod rotates to collide with the lower part of the workbench, the rotating rod can rotate reversely and repeatedly till the first nozzle finishes spraying.

The invention is further configured to: the end face feeding device comprises a lifting cylinder fixedly connected with the top of the spraying chamber, a first disc fixedly connected with the lifting cylinder, a second nozzle is arranged on one side of the first disc far away from the lifting cylinder in an inclined mode, and the opening of the second nozzle faces the direction deviating from the circle center of the first disc.

Through adopting above-mentioned technical scheme, lift cylinder can drive first disc and remove and then be in a plurality of second nozzles on the first disc and remove, and the second nozzle removes the back towards the workstation direction, presses close to the back with the percussion instrument that 3D printed out, and the second nozzle sprays will have stronger intensity at the material that spouts of the terminal surface of percussion instrument.

The invention is further configured to: the turnover device comprises a transverse cylinder fixedly connected with the two sides of the spraying chamber, one end of the transverse cylinder is fixedly connected with a rotating motor, and the rotating motor is fixedly connected with an arc-shaped plate.

Through adopting above-mentioned technical scheme, when 3D printed matter needs the upset, horizontal cylinder drives the direction removal of rotating electrical machines towards the workstation, prints the thing butt and produces the extrusion back when arc and 3D, and rotating electrical machines drives the arc and rotates and then drive 3D and print the thing rotation, realizes that 3D prints 180 pivoted purposes of thing.

The invention is further configured to: the sliding mechanism comprises a sliding motor fixedly connected with the bottom of the workbench, the sliding motor is connected with a pulley, a gear is arranged on the side face of the pulley, a sliding rail meshed with the pulley is arranged at the bottom of the printing chamber, and the sliding rail is communicated with the spraying chamber.

By adopting the technical scheme, when the workbench needs to be moved, the sliding motor is started, the sliding motor can drive the pulley to rotate, the gear on the side surface of the pulley can move along the sliding rail meshed with the gear after the pulley rotates, so that the workbench fixedly connected with the sliding motor is driven to move, and the purpose of driving the workbench to move is achieved.

The invention is further configured to: the spraying chamber is also provided with a grinding device; the dull polish device include with spray chamber bottom fixed connection's dull polish cylinder, dull polish cylinder is connected with the second disc, one side that the second disc is towards the workstation is provided with dull polish cloth.

Through adopting above-mentioned technical scheme, carry out the surface dull polish to the 3D who has sprayed the material, make the material can evenly distributed, the dull polish cylinder can drive the second disc and rise or descend, and the removal of second disc can drive reciprocating of dull polish cloth and then let the dull polish cloth polish at 3D printed material, and the surfacing of letting 3D printed material is even, even.

The invention is further configured to: one side fixedly connected with ball of dull polish cylinder, the ball is provided with the breach, place the built-in ball that part is in the ball, the built-in ball can rotate around the centre of a circle of self, second disc and built-in ball fixed connection.

Through adopting above-mentioned technical scheme, the removal of ball can drive built-in ball and remove, and the removal of built-in ball can drive the removal of second disc, and built-in ball can be at the ball internal rotation, therefore the second disc can rotate thereupon equally, consequently only need adjust the distance between two second discs can adjust the dull polish intensity of the dull polish cloth that is in on the second disc to the 3D printed matter.

The invention is further configured to: the spraying device and the end face feeding device contain materials, and the materials comprise, by weight, 30 parts of a plastic polyester film, 20 parts of polypropylene, 20 parts of polyethylene, 20 parts of resin acid, 0.1 part of silicone resin and 0.1 part of maleic anhydride.

Through adopting above-mentioned technical scheme, at the outside spraying material of 3D printed matter, can strengthen its intensity and toughness to reach percussion instrument's rigid requirement.

Another object of the present invention is to provide a 3D printing method of a percussion instrument 3D printing apparatus, comprising the steps of:

step 1: the feeding device provides printing raw materials for the printing nozzle through the material conveying pipe;

step 2: the heater heats and melts the printing raw materials input into the printing nozzle, the printing raw materials are maintained at a proper temperature, then the printing nozzle can spray the printing raw materials in a molten state, and the printing nozzle starts 3D printing under the driving of the moving support;

and step 3: after the 3D printed matter is formed, the workbench is transferred into a spraying chamber by using a sliding mechanism, the side surface of the 3D printed matter is sprayed by using a spraying device at the bottom, and then the end surface of the 3D printed matter is continuously sprayed by using an end surface feeding device;

and 4, step 4: driving the turnover device to rotate the 3D printed matter by 180 degrees, and then trying the end face feeding device to continuously spray the material on the other end face;

and 5: after the side face and the end face of the 3D printed matter are sprayed with the materials, the 3D printed matter is frosted by the frosting device.

In conclusion, the invention has the following beneficial effects:

store the raw materials in material feeding unit, material feeding unit can provide the raw materials for printing the shower nozzle through the conveying pipeline, uses to print the shower nozzle and can carry out 3D and print, utilizes the motion support, prints the shower nozzle and can carry out the removal of 3~5 dimension directions. After printing the shower nozzle and accomplishing percussion instrument's printing, slide mechanism drives the workstation and removes until the workstation gets into and sprays indoor, and sprinkler will spray the processing to percussion instrument's that prints out surface, strengthens holistic intensity. The end face feeding device can increase materials for the end face of the percussion instrument, namely the striking face, the strength and the toughness of the end face of the percussion instrument are enhanced, and the end face feeding device is used for enabling the percussion instrument to be overturned by 180 degrees to reinforce the other end face of the percussion instrument after materials are added to one end face because the percussion instrument needs to enhance the strength of the two end faces.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of the structure in the direction A in FIG. 1;

FIG. 3 is a schematic structural diagram of the connection relationship among the working table, the sliding motor, the pulley, the gear and the slide rail in the embodiment;

FIG. 4 is a schematic structural diagram of the connection relationship among the transverse cylinder, the rotary motor and the arc plate in the embodiment.

Reference numerals: 1. a printing chamber; 2. a feeding device; 3. a delivery pipe; 4. printing a spray head; 5. a heater; 6. a motion bracket; 7. a work table; 8. a spraying chamber; 9. a spraying device; 10. an end face feeding device; 11. a turning device; 12. fixing the rod; 13. a first motor; 14. rotating the rod; 15. a first nozzle; 16. a lifting cylinder; 17. a first disc; 18. a second nozzle; 19. a transverse cylinder; 20. a rotating electric machine; 21. an arc-shaped plate; 22. a slide motor; 23. a pulley; 24. a gear; 25. a slide rail; 26. a sanding device; 27. a frosted cylinder; 28. a second disc; 29. grinding a sanding cloth; 30. a ball; 31. a notch; 32. the ball is arranged inside.

Detailed Description

The invention is further described with reference to the accompanying drawings.

The utility model provides a percussion instrument 3D printing device, as shown in fig. 1-4, includes and prints room 1, the top of printing room 1 is provided with material feeding unit 2, material feeding unit 2 is connected with and runs through printing room 1 and is in the conveying pipeline 3 of printing room 1, the other end of conveying pipeline 3 is connected with prints shower nozzle 4, the side of printing shower nozzle 4 is provided with heater 5, it is connected through motion support 6 with printing room 1 to print shower nozzle 4, it is provided with slide mechanism to print room 1, slide mechanism is connected with the workstation 7 that is in the bottom of printing shower nozzle 4, it is provided with spray chamber 8 to print room 1, spray chamber 8's bottom is provided with sprinkler 9, spray chamber 8's top is provided with terminal surface feeding device 10, spray chamber 8's both sides are provided with turning device 11.

The sprinkler 9 includes the dead lever 12 with the bottom fixed connection of spray chamber 8, be provided with first motor 13 in the dead lever 12, first motor 13 is connected with the dwang 14 that is in dead lever 12 top, the both ends of dwang 14 all are provided with the first nozzle 15 that sets up for the slope of dwang 14, and are a plurality of the opening direction of first nozzle 15 is towards the middle part of dwang 14.

The end face feeding device 10 comprises a lifting cylinder 16 fixedly connected with the top of the spraying chamber 8, the lifting cylinder 16 is fixedly connected with a first disc 17, a second nozzle 18 is obliquely arranged on one side, away from the lifting cylinder 16, of the first disc 17, and the opening of the second nozzle 18 faces the direction deviating from the circle center of the first disc 17.

Turning device 11 includes and sprays the equal fixed connection's in both sides of room 8 horizontal cylinder 19, the one end fixedly connected with rotating electrical machines 20 of horizontal cylinder 19, rotating electrical machines 20 fixedly connected with arc 21.

The sliding mechanism comprises a sliding motor 22 fixedly connected with the bottom of the workbench 7, the sliding motor 22 is connected with a pulley 23, a gear 24 is arranged on the side face of the pulley 23, a sliding rail 25 meshed with the pulley 23 is arranged at the bottom of the printing chamber 1, and the sliding rail 25 is communicated with the spraying chamber 8.

The spraying chamber 8 is also provided with a sanding device 26; the sanding device 26 comprises a sanding cylinder 27 fixedly connected with the bottom of the spraying chamber 8, the sanding cylinder 27 is connected with a second disc 28, and one side, facing the workbench 7, of the second disc 28 is provided with a sanding cloth 29.

One side of the frosted cylinder 27 is fixedly connected with a ball 30, the ball 30 is provided with a gap 31, a part of a built-in ball 32 in the ball 30 is placed in the ball 30, the built-in ball 32 can rotate around the center of the circle, and the second disc 28 is fixedly connected with the built-in ball 32.

The spraying device 9 and the end face feeding device 10 contain materials, and the materials comprise, by weight, 30 parts of a plastic polyester film, 20 parts of polypropylene, 20 parts of polyethylene, 20 parts of resin acid, 0.1 part of silicone resin and 0.1 part of maleic anhydride.

A 3D printing method using a percussion instrument 3D printing apparatus, comprising the steps of:

step 1: the feeding device 2 provides printing raw materials for a printing nozzle 4 through a material conveying pipe 3;

step 2: the heater 5 heats and melts the printing raw materials input into the printing nozzle 4, and maintains the printing raw materials at a proper temperature, then the printing nozzle 4 can spray the printing raw materials in a molten state, and the printing nozzle 4 starts 3D printing under the drive of the moving bracket 6;

and step 3: after the 3D printed matter is formed, the workbench 7 is transferred into the spraying chamber 8 by using the sliding mechanism, the spraying device 9 at the bottom is used for spraying the side surface of the 3D printed matter, and then the end surface feeding device 10 is used for continuously spraying the material on the end surface of the 3D printed matter;

and 4, step 4: driving the turnover device 11 to rotate the 3D printed matter by 180 degrees, and then continuously spraying the material on the other end face by using the end face feeding device 10;

and 5: after the materials are sprayed on the side surfaces and the end surfaces of the 3D printed matter, the 3D printed matter is sanded by the sanding device 26.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. A percussion instrument 3D printing device, includes printing room (1), its characterized in that: the top of the printing chamber (1) is provided with a feeding device (2), the feeding device (2) is connected with a material conveying pipe (3) which penetrates through the printing chamber (1) and is positioned in the printing chamber (1), the other end of the material conveying pipe (3) is connected with a printing spray head (4), a heater (5) is arranged on the side surface of the printing spray head (4), the printing spray head (4) is connected with the printing chamber (1) through a moving bracket (6), the printing chamber (1) is provided with a sliding mechanism which is connected with a workbench (7) at the bottom of the printing nozzle (4), the printing chamber (1) is provided with a spraying chamber (8), the bottom of the spraying chamber (8) is provided with a spraying device (9), the top of spraying chamber (8) is provided with terminal surface feeding device (10), the both sides of spraying chamber (8) are provided with turning device (11).

2. The percussion instrument 3D printing device of claim 1, wherein: sprinkler (9) include with bottom fixed connection's of spray chamber (8) dead lever (12), be provided with first motor (13) in dead lever (12), first motor (13) are connected with dwang (14) that are in dead lever (12) top, the both ends of dwang (14) all are provided with first nozzle (15) that set up for dwang (14) slope, and are a plurality of the opening direction of first nozzle (15) is towards the middle part of dwang (14).

3. The percussion instrument 3D printing device of claim 1, wherein: end surface feeding device (10) include with spray chamber (8) top fixed connection's lift cylinder (16), the first disc (17) of lift cylinder (16) fixedly connected with, the one side slope that lift cylinder (16) were kept away from in first disc (17) is provided with second nozzle (18), the opening orientation of second nozzle (18) deviates from the direction of first disc (17) centre of a circle.

4. The percussion instrument 3D printing device of claim 1, wherein: turning device (11) include with spray the equal fixed connection's in both sides of room (8) horizontal cylinder (19), the one end fixedly connected with rotating electrical machines (20) of horizontal cylinder (19), rotating electrical machines (20) fixedly connected with arc (21).

5. The percussion instrument 3D printing device of claim 1, wherein: slide mechanism include with bottom fixed connection's of workstation (7) sliding motor (22), sliding motor (22) are connected with pulley (23), the side of pulley (23) is provided with gear (24), the bottom of printing room (1) is provided with slide rail (25) with pulley (23) meshing, slide rail (25) and spraying room (8) intercommunication.

6. The percussion instrument 3D printing device of claim 1, wherein: the spraying chamber (8) is also provided with a sanding device (26); dull polish device (26) including with spray chamber (8) bottom fixed connection's dull polish cylinder (27), dull polish cylinder (27) are connected with second disc (28), second disc (28) are provided with dull polish cloth (29) towards one side of workstation (7).

7. The percussion instrument 3D printing device of claim 6, wherein: one side fixedly connected with ball (30) of dull polish cylinder (27), ball (30) are provided with breach (31), place built-in ball (32) that the part is in ball (30), built-in ball (32) can rotate around the centre of a circle of self, second disc (28) and built-in ball (32) fixed connection.

8. The percussion instrument 3D printing device of claim 1, wherein: the spraying device (9) and the end face feeding device (10) contain materials, and the materials comprise, by weight, 30-40 parts of a plastic polyester film, 20-40 parts of polypropylene, 20-40 parts of polyethylene, 20-35 parts of resin acid, 0.1-0.5 part of silicone resin and 0.1-0.5 part of maleic anhydride.

9. A 3D printing method using the percussion instrument 3D printing apparatus according to claim 1, comprising the steps of:

step 1: the feeding device (2) provides printing raw materials for the printing nozzle (4) through the material conveying pipe (3);

step 2: the heater (5) heats and melts the printing raw materials input into the printing nozzle (4), the printing raw materials are maintained at a proper temperature, then the printing nozzle (4) can spray the printing raw materials in a molten state, and the printing nozzle (4) starts 3D printing under the drive of the moving bracket (6);

and step 3: after the 3D printed matter is formed, the workbench (7) is transferred into the spraying chamber (8) by using the sliding mechanism, the spraying device (9) at the bottom is used for spraying the side surface of the 3D printed matter, and then the end surface feeding device (10) is used for continuously spraying the material on the end surface of the 3D printed matter;

and 4, step 4: the overturning device (11) is driven to rotate the 3D printed matter by 180 degrees, and then the material is continuously sprayed on the other end face by the trial end face feeding device (10);

and 5: after the materials are sprayed on the side faces and the end faces of the 3D printed matter, the 3D printed matter is ground by a grinding device (26).