CN215040343U

CN215040343U - 3D prints photosensitive resin raw materials recycle device

Info

Publication number: CN215040343U
Application number: CN202121766042.8U
Authority: CN
Inventors: 张维杰; 马驰
Original assignee: Suzhou Liangjiang Intelligent Technology Co ltd
Current assignee: Suzhou Liangjiang Intelligent Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-07
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a 3D printing photosensitive resin raw material recycling device, which comprises a placing box, a heating assembly and an extrusion assembly; the bottom of the placing box is at least provided with a discharge hole, and two sides of the placing box are symmetrically provided with a push block and an air cylinder; the heating assembly comprises a connecting cylinder, a treatment tank arranged below the connecting cylinder and a heating sleeve wrapped on the outer surface of the treatment tank; a spring is arranged in the treatment tank, and a driving motor connected with one side of the spring can drive the spring to vertically reciprocate and transversely vibrate in the treatment tank; the extrusion assembly comprises an equipartition device arranged on the conveying belt and a plurality of extrusion cylinders; the extrusion cylinder is provided with a spiral extrusion roller which can rotate. The device is through the cooperation of placing ejector pad, heating element in the box and extruding the subassembly, realizes that 3D prints the heating of photosensitive resin raw materials, extrudees and fashioned technology, reduces 3D and prints the adhesion rate of photosensitive resin raw materials, reduces 3D and prints the waste of photosensitive resin raw materials.

Description

3D prints photosensitive resin raw materials recycle device

Technical Field

The utility model relates to a recovery unit technical field especially relates to a 3D prints photosensitive resin raw materials recycle device.

Background

Photosensitive resin means that the material that is used for photocuring rapid prototyping is liquid photocuring resin, or called liquid photosensitive resin, mainly comprises oligomer, photoinitiator, diluent, and in recent two years, photosensitive resin is being used for 3D and prints emerging trade, receives trade favor and attach attention because its outstanding characteristic, and photosensitive resin raw materials automatic recovery unit means retrieves used photosensitive resin for reuse, reduces the wasting of resources.

Raw materials recovery unit among the prior art is when collecting 3D and print photosensitive resin raw materials, because photosensitive resin has certain viscidity after the heating, leads to photosensitive resin to adhere to on recovery unit's inner wall easily, leads to the not complete of photosensitive resin raw materials recovery. In view of the above, there is a need for an improved material recycling apparatus in the prior art.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a 3D prints photosensitive resin raw materials recycle device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the 3D printing photosensitive resin raw material recycling device is characterized by comprising a placing box, a heating assembly and an extruding assembly, wherein the heating assembly is arranged below the placing box, and the extruding assembly is communicated with the heating assembly;

the bottom of the placing box is at least provided with a discharge hole, two sides of the placing box are symmetrically provided with push blocks, and each push block is connected with an air cylinder;

the heating assembly comprises a connecting cylinder, a treatment tank arranged below the connecting cylinder and a heating sleeve wrapped on the outer surface of the treatment tank; the connecting cylinder is arranged right below the discharge port, a spring is arranged in the treatment tank, one side of the spring is connected with a driving motor, the driving motor is fixed at the bottom of the placing box, and the driving motor can drive the spring to vertically reciprocate and transversely vibrate in the treatment tank; the heating sleeve heats the treatment tank;

the extrusion assembly comprises an equipartition device arranged on the conveying belt and a plurality of extrusion cylinders connected with the equipartition device, the equipartition device is communicated to the bottom end of the treatment tank and receives molten raw materials, spiral extrusion rollers are arranged in the extrusion cylinders and can rotate, and extrusion ports are arranged at the bottoms of the extrusion cylinders.

In a preferred embodiment of the present invention, the cylinder controls both sides to ensure the relative movement and the consistent movement speed of the push block.

The utility model discloses a preferred embodiment, be provided with the branch flitch in dividing equally the ware, divide the flitch will divide equally in the ware and form a plurality of subchannels, every the subchannel all corresponds there is one the extruding cylinder.

In a preferred embodiment of the present invention, the treatment tank is provided with a feed pump and a heat exchanger which are sequentially connected to each other, and an output end of the heat exchanger is connected to an input end of the heating sleeve.

In a preferred embodiment of the present invention, the output end of the heating sleeve is connected to the input end of the feeding pump through a pipeline.

In a preferred embodiment of the present invention, the spring is directly smaller than the inner diameter of the treatment tank by 3-4 mm.

In a preferred embodiment of the present invention, the diameter of the extruding roller is directly smaller than the diameter of the extruding cylinder by 1mm to 2 mm.

The utility model discloses a preferred embodiment, extrusion roller one side is provided with rotation motor and reducing gear box, the rotation motor drives the extrusion roller rotates, and will raw materials in the extruding cylinder passes through the extrusion mouth is extruded.

In a preferred embodiment of the present invention, the thread density on the surface of the extrusion roller is reduced in order from the side of the extrusion roller close to the equal divider to the other end of the extrusion roller.

In a preferred embodiment of the present invention, the feed pump and the heat exchanger are provided with a solenoid valve and a manual valve for adjusting the flow rate and speed of the fluid.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) the utility model provides a raw materials recycle device, the device realize that 3D prints the heating of photosensitive resin raw materials, extrude and fashioned technology through the cooperation of placing ejector pad, heating element and the extrusion subassembly in the box, reduce the 3D and print the adhesion rate of photosensitive resin raw materials, have reduced the waste that 3D printed the photosensitive resin raw materials.

(2) The utility model discloses use the mode of heating jacket pipe heating, guaranteed bigger heating area to and the handling capacity of more raw materialss.

(3) The utility model discloses driving motor can make vertical reciprocal and transverse vibration by driving spring in handling the jar. The spring is at vertical reciprocal and transverse vibration in-process, and the spring can take place the friction with the inner wall of handling the jar, guarantees that remaining 3D on handling jar inner wall prints photosensitive resin raw materials and gets rid of.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic perspective view of a 3D printing photosensitive resin raw material recycling device according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of the placement box and the heating assembly according to the preferred embodiment of the present invention;

fig. 3 is a schematic perspective view of the equipartition device according to the preferred embodiment of the present invention;

fig. 4 is a schematic perspective view of an extrusion roll according to a preferred embodiment of the present invention;

in the figure: 1. placing the box; 11. a discharge port; 12. a push block; 13. a cylinder; 2. a heating assembly; 21. a connecting cylinder; 22. a treatment tank; 23. a spring; 24. heating the sleeve; 3. a feed pump; 4. a heat exchanger; 5. an extrusion assembly; 51. a conveyor belt; 52. an equalizer; 521. a material distributing plate; 522. a shunt channel; 53. an extrusion cylinder; 531. an extrusion port; 54. and (4) extruding the roller.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in FIG. 1, the utility model discloses in a 3D prints photosensitive resin raw materials recycle device's spatial structure sketch map. This raw materials recycle device is including placing box 1, setting and placing heating element 2 of box 1 below to and the extrusion subassembly 5 of intercommunication heating element 2. The utility model discloses in place and place 3D in the box 1 and print photosensitive resin raw materials, through printing 3D and print photosensitive resin raw materials and send into heating element 2 in the heating back, leading-in to extrusion assembly 5 extrusion moulding.

As shown in fig. 2, a schematic perspective view of the box 1 and the heating assembly 2 is shown. The bottom of placing the box 1 is provided with a discharge gate 11 at least, and the bilateral symmetry of placing the box 1 is provided with ejector pad 12, and cylinder 13 is all connected to every ejector pad 12. The placing box 1 is square, and the shape of the push block 12 is consistent with the inner wall of the placing box 1. The cylinders 13 at the two sides of the placing box 1 push the corresponding push blocks 12 to move, and the cylinders 13 at the two sides are controlled to ensure that the push blocks 12 at the two sides move relatively and move at the same speed, so that the push blocks 12 at the two sides simultaneously reach the central position of the placing box 1, namely the position of the discharge hole 11.

The utility model discloses well heating element 2 includes connecting cylinder 21, sets up the processing jar 22 in connecting cylinder 21 below to and the parcel is at the heating jacket pipe 24 of processing jar 22 surface. The connecting cylinder 21 is arranged right below the discharge port 11 and is fixedly connected with the bottom of the placing box 1. A spring 23 is arranged in the processing tank 22, one side of the spring 23 is connected with a driving motor, the driving motor is fixed at the bottom of the placing box 1, and the driving motor can drive the spring 23 to vertically reciprocate and transversely vibrate in the processing tank 22. The spring 23 can rub the inner wall of the processing tank 22 in the vertical reciprocating and transverse vibration processes of the spring 23, so that the 3D printing photosensitive resin raw material remained on the inner wall of the processing tank 22 is removed. The utility model discloses well driving motor and the 11 biasing settings of discharge gate of placing box 1. It should be noted that the driving motor can drive the spring 23 to reciprocate vertically in the treatment tank 22, and the transverse vibration is mainly performed by the elasticity of the spring 23.

The utility model discloses well spring 23's directness is less than and handles jar 22 internal diameter 3-4mm, guarantees to be provided with the clearance between spring 23 and the processing jar 22, provides the space of spring 23 vibration.

The utility model discloses need heat heating jacket pipe 24, processing jar 22 one side is provided with charge pump 3 and the heat exchanger 4 that communicates in proper order, and the output of heat exchanger 4 communicates to heating jacket pipe 24's input. The heat transfer medium pumped by the feed pump 3 is not limited to gas or liquid. The utility model discloses use the mode of heating sleeve 24 heating, guaranteed bigger heating area to and the handling capacity of more raw materialss.

The utility model discloses well heating sleeve 24's output passes through the input of tube coupling to charge pump 3, and heat-conducting medium is after heating sleeve 24 is exothermic, mixes the back with the normal atmospheric temperature heat-conducting medium that 3 pump of charge pump were gone into again through the pipeline, gets into in heat exchanger 4 together.

The utility model discloses be provided with solenoid valve and manual valve that are used for adjusting fluid flow and speed in the pipeline of well charge pump 3 and heat exchanger 4 intercommunication.

The extrusion assembly 5 comprises an equalizer 52 arranged on a conveyor belt 51 and a plurality of extrusion cylinders 53 connected with the equalizer 52. As shown in fig. 3, a schematic perspective view of the uniform divider 52 of the present invention is shown. The distributor 52 is connected to the bottom end of the processing tank 22 and receives the melted raw materials, a material distributing plate 521 is arranged in the distributor 52, the material distributing plate 521 divides the distributor 52 into a plurality of sub-runners 522, and each sub-runner 522 corresponds to one extrusion cylinder 53.

As shown in fig. 4, a schematic perspective view of the extrusion roller 54 of the present invention is shown. The utility model discloses be provided with spiral helicine extrusion roller 54 in well extrusion cylinder 53, extrusion roller 54 can rotate, and extrusion cylinder 53's bottom is provided with extrudes mouthful 531. The diameter of the extruding roller 54 is 1 mm-2 mm smaller than that of the extruding cylinder 53. The thread density of the surface of the extrusion roller 54 decreases in order from the side of the extrusion roller 54 near the equalizer 52 to the other end of the extrusion roller 54. The utility model discloses well extrusion roller 54 one side is provided with rotation motor and reducing gear box (not shown), rotates the motor and drives extrusion roller 54 and rotate to the raw materials in will extruding section of thick bamboo 53 is extruded through extruding mouth 531. The extrusion speed of the extrusion roller 54 is matched with the movement speed of the conveyor belt 51, and the extruded 3D printing photosensitive resin raw material falls on the output belt 51 for cooling and forming.

When the utility model is used, 3D printing photosensitive resin raw materials are placed in the placing box 1, the relative motion and the consistent motion speed of the pushing blocks 12 on the two sides are ensured by controlling the cylinders 13 on the two sides, the pushing blocks 12 on the two sides are ensured to simultaneously reach the discharge port 11 of the placing block, and the 3D printing photosensitive resin raw materials enter the processing tank 22 through the connecting cylinder 21 for heating; a driving motor driving spring 23 fixed at the bottom of the placing box 1 makes vertical reciprocating and transverse vibration in the processing tank 22 to remove the 3D printing photosensitive resin raw material remained on the inner wall of the processing tank 22; meanwhile, a heat-conducting medium is pumped into the feeding valve, the heat-conducting medium is subjected to heat exchange through the heat exchanger 4 and then is introduced into a heating sleeve 24 wrapped outside the treatment tank 22, and the heating sleeve 24 heats the treatment tank 22; the melted 3D printing photosensitive resin raw material is introduced into the extrusion assembly 5, the equipartition device 52 in the extrusion assembly 5 is divided by the material distribution plate 521 to form a plurality of branch runners 522, each branch runner 522 is correspondingly communicated with the extrusion cylinder 53, and the spiral extrusion roller 54 in the extrusion cylinder 53 rotates and is extruded from the bottom of the extrusion cylinder 53.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The 3D printing photosensitive resin raw material recycling device is characterized by comprising a placing box, a heating assembly and an extruding assembly, wherein the heating assembly is arranged below the placing box, and the extruding assembly is communicated with the heating assembly;

2. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: the air cylinders on the two sides are controlled to ensure that the push blocks on the two sides move relatively and the movement speeds are consistent.

3. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: the distributing device is provided with a distributing plate, the distributing plate divides the distributing device into a plurality of sub-runners, and each sub-runner corresponds to one extruding cylinder.

4. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: and a feeding pump and a heat exchanger which are sequentially communicated are arranged on one side of the treatment tank, and the output end of the heat exchanger is communicated to the input end of the heating sleeve.

5. The 3D printing photosensitive resin raw material recycling device according to claim 4, characterized in that: the output end of the heating sleeve is connected to the input end of the feeding pump through a pipeline.

6. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: the diameter of the spring is directly smaller than the inner diameter of the treatment tank by 3-4 mm.

7. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: the diameter of the extrusion roller is 1 mm-2 mm smaller than that of the extrusion cylinder.

8. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: and a rotating motor and a reduction gearbox are arranged on one side of the extrusion roller, the rotating motor drives the extrusion roller to rotate, and the raw materials in the extrusion cylinder are extruded out through the extrusion port.

9. The 3D printing photosensitive resin raw material recycling device according to claim 1, characterized in that: and the thread density on the surface of the extrusion roller is reduced in sequence from one side of the extrusion roller close to the equipartition device to the other end of the extrusion roller.

10. The 3D printing photosensitive resin raw material recycling device according to claim 4, characterized in that: and a solenoid valve and a manual valve for adjusting the flow and speed of the fluid are arranged in a pipeline communicated with the feed pump and the heat exchanger.