Multi-material switching feeding device of 3D printing equipment

Abstract

The utility model discloses a multi-material switching feeding device of 3D printing equipment, and relates to the technical field of feeding devices, the multi-material switching feeding device comprises a supporting disc, a plurality of material storage tanks are arranged on the top surface of the supporting disc, a connecting rod is fixed at the central position of the top surface of the supporting disc, and a discharging port is fixed at the bottom of the connecting rod of each material storage tank in a penetrating manner; the storage tank comprises a supporting disc, a plurality of discharging openings are formed in the supporting disc, an electric valve is arranged at the bottom of each discharging opening, discharging pipes are fixed to outlets of the electric valves in a penetrating mode, a plurality of containing grooves matched with the discharging pipes are formed in the supporting disc at equal intervals, and the discharging pipes are inserted into the containing grooves. According to the multi-material switching feeding device, the number of the material storage tanks is adjusted, the material storage tanks can be conveniently and independently taken down to be cleaned, the problems that an existing multi-material switching feeding device of the 3D printing equipment is inconvenient to adjust according to the number of material types during use and the material storage tanks are inconvenient to clean are solved, and the practicability of the feeding device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a material feeding device technical field especially relates to a 3D printing equipment multi -material switching material feeding device. BACKGROUND

[0002] 3D printing is a kind of technology that is manufactured entity parts according to three-dimensional CAD data through the method of layer-by-layer material accumulation, is widely used in jewelry design, footwear design and manufacture, industrial design, architectural design, engineering design and construction, automobile design and manufacture and other design and manufacturing fields, not only can print out complex structure and precision parts, but also can realize multi -material, multi -color printing.

[0003] In order to realize multi -material multi -color printing, multiple material switching material feeding is used when feeding, in the multiple material switching material feeding process, the bottom outlet of the material feeding tank directly discharges, and the discharged material is introduced into the nozzle and sprayed by the nozzle, but in the prior art, most of the material feeding devices cannot be adjusted according to the number of material types, and the storage tank is inconvenient to clean separately, which is easy to cause pollution, and the practicability is low. SUMMARY

[0004] The utility model aims at solving the prior art existing 3D printing equipment multi -material switching material feeding device is inconvenient to adjust according to the number of material types and the problem that the storage tank is inconvenient to clean, and provides a kind of 3D printing equipment multi -material switching material feeding device.

[0005] In order to realize the above purpose, the utility model has the following technical scheme: including support disc, the support disc top is provided with a plurality of storage tanks, the support disc top center position is fixed with connecting rod, each the bottom of storage tank is fixed with the discharge port, each the bottom of discharge port is provided with electric valve, the electric valve outlet is fixed with the discharge pipe, the support disc inside is equidistant and is provided with a plurality of with the discharge pipe cooperation's placement groove, the discharge pipe is inserted in the placement groove inside, the discharge pipe on the support disc top surface is all fixed with support backing plate, each the discharge pipe is fixed nut with fixed nut at the one end of support disc bottom surface, the connecting rod upper portion is provided with support frame, the support frame inside is provided with servo motor one, the servo motor one output end rotation penetrates support frame and is fixed in the connecting rod top surface.

[0006] Preferably, the inside bottom of the support disc is provided with an angle scale, the arc length of each placement groove is less than one fourth of the arc length of the support disc, and the width of each support backing plate and fixed nut is greater than the width of the placement groove.

[0007] Preferably, each storage tank top is threadedly sleeved with a tank cover, and the outer surface of the storage tank on the bottom surface of each tank cover is fixed with a sealing ring plate.

[0008] Preferably, each of the tank covers is rotatably connected with a rotating rod at the inner center position through a bearing, and each of the rotating rods is fixed with a stirring rod at the bottom.

[0009] Preferably, each of the stirring rods is fixed with a movable piece at the bottom, each of the movable pieces extends to the inside of the discharging port, and the thickness of each of the movable pieces is smaller than the inner circle radius of the discharging port.

[0010] Preferably, the outer surface of the top of each of the rotating rods is fixed with a plurality of stirring paddles at equal distances, the side edges of the stirring paddles are provided with support plates, the support plates are fixed on the bottom surface of the support frame outside the connecting rod, the support plates are provided with servo motors two at the top end away from the support frame, the output rod end of the servo motors two is rotatably penetrated through the bottom surface of the support plate, and the outer surface of the output rod of the servo motors two on the bottom surface of the support plate is fixed with a plurality of auxiliary paddles at equal distances, and each of the auxiliary paddles is staggered with the stirring paddles.

[0011] Preferably, the distance between each of the rotating rods and the output rod of the servo motors two is smaller than the sum of the lengths of the stirring paddles and the auxiliary paddles, and the distance between each of the rotating rods and the output rod of the servo motors two is greater than the lengths of the stirring paddles and the auxiliary paddles.

[0012] Compared with the prior art, the 3D printing equipment multi-material switching and feeding device has the advantages and positive effects that:

[0013] 1. In the utility model, through the material storage tank which can be assembled, the number of the material storage tanks is adjusted according to the number of the types of materials during use, and the material storage tanks are also convenient to take down separately for cleaning, thereby solving the problems that the existing 3D printing equipment multi-material switching and feeding device is inconvenient to adjust according to the number of the types of materials during use and the material storage tanks are inconvenient to clean, and the practicability of the feeding device is improved.

[0014] 2. In the utility model, through the internal stirring rod, when feeding, the material storage tank which needs to be discharged is rotated to the side of the auxiliary paddle, the internal stirring rod is driven to rotate, internal material deposition or blockage is avoided, the smoothness during feeding is ensured, and the normal opening or closing of the material storage tank is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the 3D printing equipment multi-material switching and feeding device is provided for the utility model;

[0016] Figure 2 A support disc structure schematic view of the 3D printing equipment multi-material switching and feeding device is provided for the utility model;

[0017] Figure 3 An internal structure schematic view of the material storage tank of the 3D printing equipment multi-material switching and feeding device is provided for the utility model;

[0018] Figure 4 The utility model provides a kind of 3D printing equipment multi-material switching feed device local structure schematic view.

[0019] Legend: 1, support disc;2, store material tank;3, connecting rod;4, discharge port;5, electric valve;6, discharge pipe;7, placing groove;8, support pad;9, fixed nut;10, support frame;11, servo motor one;12, tank cover;13, sealing ring plate;14, stirring rod;15, movable piece;16, rotating rod;17, stirring paddle;18, auxiliary paddle;19, support plate;20, servo motor two. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model can also be implemented in other ways different from those described herein, therefore, the present utility model is not limited to the specific embodiments disclosed in the following specification. EMBODIMENT

[0022] As Figures 1-4 shown, the utility model provides a kind of 3D printing equipment multi-material switching feed device, including support disc 1, support disc 1 top surface is provided with a plurality of store material tank 2, support disc 1 top surface center position is fixed with connecting rod 3, the bottom of each store material tank 2 is fixed with discharge port 4 through, the bottom of each discharge port 4 is provided with electric valve 5, electric valve 5 outlet is fixed with discharge pipe 6 through, support disc 1 inside is equidistant and is provided with a plurality of with the placing groove 7 of discharge pipe 6 cooperation, discharge pipe 6 is inserted in the inside of placing groove 7, support disc 1 top surface discharge pipe 6 is all fixed with support pad 8, each discharge pipe 6 is fixed nut 9 and is screwed on the end of the bottom surface of support disc 1, connecting rod 3 upper portion is provided with support frame 10, support frame 10 is provided with servo motor one 11 inside, servo motor one 11 output end rotation penetrates support frame 10 and is fixed in the top surface of connecting rod 3.

[0023] The specific settings and functions of this embodiment are described below: Angle scale lines are provided on the inner bottom surface of the support plate 1 to facilitate the even distribution of the storage tanks 2 on the top surface of the support plate 1 during installation. The arc length of each placement groove 7 is less than one-quarter of the arc length of the support plate 1. The width of each support pad 8 and fixing nut 9 is greater than the width of the placement groove 7. Each storage tank 2 is threaded with a lid 12 on its top. A sealing ring plate 13 is fixed on the outer surface of the storage tank 2 at the bottom of each lid 12. When the storage tank 2 needs to be cleaned, the lid 12 is screwed on to open the storage tank 2, making it convenient to clean the inside of the storage tank 2. Example

[0024] like Figures 1-4 As shown, each can lid 12 has a rotating rod 16 rotatably connected to its center via a bearing. Several stirring paddles 17 are equidistantly fixed to the top outer surface of each rotating rod 16. A support plate 19 is provided on the side of each stirring paddle 17. The support plate 19 is fixedly sleeved on the bottom surface of the support frame 10 outside the connecting rod 3. A servo motor 20 is provided on the top surface of the support plate 19 away from the support frame 10. The output rod of the servo motor 20 rotates through to the bottom surface of the support plate 19. Several auxiliary paddles 1 are equidistantly fixed to the outer surface of the output rod of the servo motor 20 on the bottom surface of the support plate 19. 8. Each auxiliary paddle 18 is staggered with the stirring paddle 17. Each rotating rod 16 has a stirring rod 14 fixed at its bottom. Each stirring rod 14 has a movable piece 15 fixed at its bottom. Each movable piece 15 extends into the discharge port 4. The thickness of each movable piece 15 is less than the inner radius of the discharge port 4. The distance between each rotating rod 16 and the output rod of the servo motor 20 is less than the sum of the lengths of the stirring paddle 17 and the auxiliary paddle 18. The distance between the rotating rod 16 and the output rod of the servo motor 20 is greater than the lengths of the stirring paddle 17 and the auxiliary paddle 18.

[0025] The overall effect of this embodiment is that by stirring the inside of the storage tank 2 during the feeding process, the feeding of the storage tank 2 is ensured to be smooth, avoiding material sedimentation or blockage, and also avoiding affecting the opening of the storage tank 2, thus improving the practicality of the feeding device.

[0026] The method for using the device and the working principle are as follows: when the material needs to be supplied, the cap 12 is screwed to open the storage tank 2, the required material is placed in the storage tank 2, the storage tank 2 is evenly distributed on the top surface of the support disc 1 according to the number and angle scale line of the storage tank 2, the discharge pipe 6 is inserted into the placement groove 7, the support pad 8 is abutted on the top surface of the discharge pipe 6, the fixing nut 9 is screwed on the discharge pipe 6 to clamp and fix the support disc 1 in cooperation with the support pad 8, that is, the storage tank 2 is fixed on the support disc 1, when the material in the storage tank 2 needs to be discharged, the servo motor one 11 is operated to drive the connecting rod 3 to rotate, the connecting rod 3 drives the support disc 1 to move, the support disc 1 rotates the storage tank 2 needing to be discharged to the position of the auxiliary stirring piece 18, the electric valve 5 is opened to discharge the material, at the same time, the servo motor two 20 is operated to drive the auxiliary stirring piece 18 to rotate, the auxiliary stirring piece 18 drives the stirring piece 17 to rotate, when the stirring piece 17 rotates, the stirring rod 14 and the movable piece 15 are driven to rotate through the rotating rod 16, so that the material in the storage tank 2 and the discharge port 4 is stirred, after the material is supplied, the fixing nut 9 is screwed to take down the storage tank 2, the cap 12 is screwed to open the storage tank 2, and the storage tank 2 is cleaned.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A multi-material switching feeding device for 3D printing equipment, comprising a support disc (1), characterized in that: The top surface of the support disc (1) is provided with a plurality of material storage tanks (2), the center of the top surface of the support disc (1) is fixedly provided with a connecting rod (3), the bottom of each material storage tank (2) is fixedly provided with a discharging port (4), the bottom of each discharging port (4) is provided with an electric valve (5), the outlet of the electric valve (5) is fixedly provided with a discharging pipe (6), a plurality of placement grooves (7) are equidistantly arranged in the support disc (1) and matched with the discharging pipe (6), the discharging pipe (6) is inserted into the placement groove (7), the top surface of the support disc (1) is fixedly provided with a support pad (8), one end of the discharging pipe (6) penetrating through the bottom surface of the support disc (1) is threadedly provided with a fixing nut (9), the upper side of the connecting rod (3) is provided with a support frame (10), the inside of the support frame (10) is provided with a servo motor (11), the output end of the servo motor (11) is rotatably fixed to the top surface of the connecting rod (3). 2.The multi-material switching feeding device of a 3D printing equipment according to claim 1, wherein: The inside bottom surface of the support disc (1) is provided with an angle scale, the arc length of each placement groove (7) is less than one fourth of the arc length of the support disc (1), and the width of each support pad (8) and fixing nut (9) is greater than the width of the placement groove (7). 3.The multi-material switching feeding device of a 3D printing equipment according to claim 1, wherein: The top of each material storage tank (2) is threadedly provided with a tank cover (12), and the outer surface of the material storage tank (2) at the bottom of each tank cover (12) is fixedly provided with a sealing ring plate (13). 4.The multi-material switching feeding device of a 3D printing apparatus according to claim 3, wherein: The inside of each tank cover (12) is rotatably connected with a rotating rod (16) at the center position, and the bottom of each rotating rod (16) is fixedly provided with a stirring rod (14). 5.The multi-material switching feeding device of a 3D printing equipment according to claim 4, wherein: The bottom of each stirring rod (14) is fixedly provided with a movable piece (15), each movable piece (15) extends into the inside of the discharging port (4), and the thickness of each movable piece (15) is less than the inner circle radius of the discharging port (4). 6.The multi-material switching feeding device of a 3D printing equipment according to claim 4, wherein: The top outer surface of each rotating rod (16) is equidistantly fixedly provided with a plurality of stirring paddles (17), the side of each stirring paddle (17) is provided with a support plate (19), the support plate (19) is fixedly provided on the bottom surface of the support frame (10) outside the connecting rod (3), the top surface of the end of the support plate (19) away from the support frame (10) is provided with a servo motor (20), the output rod end of the servo motor (20) is rotatably fixed to the bottom surface of the support plate (19), and the output rod outer surface of the servo motor (20) on the bottom surface of the support plate (19) is equidistantly fixedly provided with a plurality of auxiliary paddles (18), each auxiliary paddle (18) is arranged alternately with the stirring paddle (17). 7.The multi-material switching feeding device of a 3D printing equipment according to claim 4, wherein: The distance between each rotating rod (16) and the output rod of the servo motor (20) is less than the sum of the lengths of the stirring paddle (17) and the auxiliary paddle (18), and the distance between the rotating rod (16) and the output rod of the servo motor (20) is greater than the length of the stirring paddle (17) and the auxiliary paddle (18).

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