CN-122006557-A - 3D metal printing mixing screening system

CN122006557ACN 122006557 ACN122006557 ACN 122006557ACN-122006557-A

Abstract

The invention discloses a 3D metal printing mixing screening system, which belongs to the technical field of mixing screening and comprises a storage conveying mechanism, a material homogenizing mechanism and a mixing mechanism, wherein the storage conveying mechanism is arranged at the upper end of the material homogenizing mechanism through an external support, the mixing mechanism is arranged at the lower end of the material homogenizing mechanism through an external support, the material homogenizing mechanism comprises a material mixing component and a uniform spreading component, the material mixing component is arranged at the upper end of the mixing mechanism, the uniform spreading component is arranged at the upper end of the mixing mechanism, the mixing mechanism comprises a vibration screening component and a discharging component, the vibration screening component is arranged at the lower end of the material mixing component, the discharging component is arranged at the lower end of the vibration screening component, the upper end of the vibration screening component is provided with the uniform spreading component, the pre-mixing and uniform spreading of the material homogenizing mechanism are carried out through the material homogenizing mechanism, the screening burden of the mixing mechanism is greatly reduced, the material mixing mechanism is combined with various vibration modes of the mixing mechanism, and the screening efficiency and the working stability are greatly increased.

Inventors

LIN WEIBO
CAI KAIMIN
Wen Qiyao
LI RUMIN
LI BAILIN

Assignees

东莞汇乐技术股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260108

Claims (10)

1. Including storage conveying mechanism, its characterized in that: The device also comprises a material homogenizing mechanism, a mixing mechanism and a ventilation mechanism; The material storage and conveying mechanism is arranged at the upper end of the material homogenizing mechanism through an external bracket, and the mixing mechanism is arranged at the lower end of the material homogenizing mechanism through an external bracket; the material homogenizing mechanism comprises a material mixing component and a uniform spreading component, wherein the material mixing component is arranged at the upper end of the mixing mechanism, and the uniform spreading component is arranged at the upper end of the mixing mechanism; The mixing mechanism comprises a vibrating screen assembly and a discharging assembly, the vibrating screen assembly is arranged at the lower end of the mixing assembly, the discharging assembly is arranged at the lower end of the vibrating screen assembly, and the upper end of the vibrating screen assembly is provided with a uniform spreading assembly; the ventilation mechanism is arranged at the outer end of the storage conveying mechanism.
2. The 3D metal printing, mixing and screening system of claim 1, wherein the mixing assembly comprises a premixing barrel, a stirring shaft, a motor number one and stirring paddles, the premixing barrel is mounted at the lower end of the storage and conveying mechanism through an external bracket, the motor number one is fixedly connected to the upper end of the premixing barrel, the stirring shaft is rotatably connected to the upper end inside the premixing barrel, the output end of the motor number one extends to the inner end of the premixing barrel and is fixedly connected to the rotating end of the stirring shaft, and two groups of stirring paddles are fixedly connected to symmetrical positions of the side end of the stirring shaft.
3. The 3D metal printing mixing screening system of claim 2, wherein the lower end of the premixing barrel is a conical barrel, and the outer end of the stirring paddle is a conical structure adapted to the inner end of the conical barrel.
4. The 3D metal printing mixing screen system of claim 3, wherein the uniform spreading assembly comprises an elbow, a No. two motor, a mounting frame and a reciprocating swing assembly, the elbow is mounted at the upper end of the vibration screen assembly, the mounting frame is mounted at the upper end of the vibration screen assembly, the input end of the elbow is rotatably connected to the output end of the premixing tube, the No. two motor is fixedly connected to the upper end of the mounting frame, and the reciprocating swing assembly is mounted at the lower end of the mounting frame.
5. The 3D metal printing and mixing screening system according to claim 4, wherein the reciprocating swing assembly comprises a first connecting plate, a second connecting plate and a third connecting plate, the output end of the second motor extends to the lower end of the mounting frame and is fixedly connected to the upper end of one end of the first connecting plate, the lower end of the other end of the first connecting plate is rotatably connected to one end of the upper end of the second connecting plate, the side end of one end of the third connecting plate is fixedly connected to the side end of the bent pipe, and the upper end of the other end of the third connecting plate is rotatably connected to one end, far away from the first connecting plate, of the lower end of the second connecting plate.
6. The 3D metal printing and mixing screening system according to claim 5, wherein the vibration screening assembly comprises a linear vibrating screen, an ultrasonic generator, an air injection pipe and an ultrasonic transducer, the bent pipe is located at the upper end of the input end of the linear vibrating screen, the ultrasonic generator is fixedly connected to the side end of the linear vibrating screen, the ultrasonic transducer is fixedly connected to the inner end of the linear vibrating screen, the output end of the ultrasonic generator is fixedly connected to the input end of the ultrasonic transducer through a wire penetrating through the outer end of the linear vibrating screen, the two groups of air injection pipes are fixedly connected to symmetrical positions of the side end of the linear vibrating screen, and the mounting frame is fixedly connected to the upper end of the linear vibrating screen.
7. The 3D metal printing, mixing and screening system of claim 6, wherein the discharge assembly comprises a pneumatic butterfly valve, a first distribution hopper and a second distribution hopper, the first distribution hopper is fixedly connected to the first output end of the linear vibrating screen, the second distribution hopper is fixedly connected to the second output end of the linear vibrating screen, and the pneumatic butterfly valve is fixedly connected to the second distribution hopper output end.
8. The 3D metal printing mixing screening system of claim 7, wherein the storage conveying mechanism comprises a storage component and a discharge component, the storage component comprises a storage barrel, an cantilever beam type weighing sensor, a gas storage tank, an explosion-proof pulse electromagnetic valve and a gas outlet pipe, the two groups of storage barrels are positioned at symmetrical positions of the upper end of the premixing barrel, the symmetrical positions of four corners of the lower end of the storage barrel are fixedly connected with a plurality of groups of cantilever beam type weighing sensors supported by an external support, the side end of the storage barrel is fixedly connected with the gas storage tank, the upper end of the storage barrel is fixedly connected with the explosion-proof pulse electromagnetic valve, the input end of the explosion-proof pulse electromagnetic valve is fixedly connected with the output end of the gas storage tank, the output end of the explosion-proof pulse electromagnetic valve is fixedly connected with the gas input end of the storage barrel, and the side end of the storage barrel is fixedly connected with the gas outlet pipe.
9. The 3D metal printing, mixing and screening system of claim 8, wherein the discharge assembly comprises a discharge valve and a converging tee pipe, the discharge valve is fixedly connected to the output end of the storage vat, the first input end and the second input end of the converging tee pipe are respectively and fixedly connected to the output ends of the two sets of discharge valves, the output end of the converging tee pipe is fixedly connected to the input end of the premixing barrel, and the premixing barrel is fixedly connected to the lower end of the converging tee pipe through an external bracket.
10. The 3D metal printing, mixing and screening system according to claim 9, wherein the ventilation mechanism comprises an air inlet valve, an air outlet valve No. two, an air inlet pipe, a conveying pipe, a waste discharge pipe, a storage tank air inlet pipe, a storage tank air outlet pipe, an oxygen sensor and an air pressure sensor, the output end of the air inlet pipe is fixedly connected to the ports of one group of air injection pipes, the input end of the air inlet pipe is fixedly connected to an external inert gas inlet pump, the air inlet pipe is fixedly connected to the outer end of the storage tank, the output end of the storage tank air outlet pipe is fixedly connected to the ports of the other group of air injection pipes, the output ends of the conveying pipe are respectively fixedly connected to the ports of two groups of storage tank air inlet pipes, the ports of the storage tank air outlet pipe are fixedly connected to the two ends of the air outlet valve No. two groups of air outlet pipes, the two groups of oxygen sensors are respectively fixedly connected to the outer ends of the two groups of storage tanks and the oxygen sensor input ends of the oxygen sensor extend to the inner end of the storage tank, the two groups of air pressure sensor are respectively fixedly connected to the outer ends of the two groups of storage tanks and the air pressure sensor input ends of the oxygen sensor extend to the air inlet pipe, the inner ends of the oxygen sensor are respectively, the air inlet pipe is connected to the outer ends of the air inlet pipe and the air outlet pipe are externally connected to the PLC.

Description

3D metal printing mixing screening system Technical Field The invention belongs to the technical field of mixed screening, and particularly relates to a 3D metal printing mixed screening system. Background 3D printing is an emerging manufacturing mode, has higher freedom degree and precision, and correspondingly has higher requirements on raw materials, and a common screening system adopts a straight line screen. The Chinese patent CN220092095U discloses a linear sieve, which comprises a linear sieve body, an anti-blocking unit and a power unit, wherein the anti-blocking unit and the power unit are used for separating caking raw materials, the front end and the rear end of the linear sieve body are respectively provided with an arched side box, the inside of each side box is respectively provided with a transmission mechanism, the rotating ends of the transmission mechanisms are respectively matched with toothed belts, the anti-blocking unit comprises two connecting rods connected with the front toothed belt and the rear toothed belt, sliding strips are respectively connected onto the connecting rods, arc grooves are formed in the sliding strips at equal intervals, fixed shafts are arranged in the arc grooves, a shifting column is matched in the arc grooves, the shifting column slides on the fixed shafts through slotted holes in the shifting column, and tension members are arranged at the upper ends of the shifting columns, so that the molecular sieves which are gathered together can be shifted, but the device and the prior art have the following technical problems: 1. The device separates caking raw materials through sharp sieve body self vibration intensity, makes the raw materials can be sieved by the screen cloth, but the device too relies on the single power unit of straight line sieve, is facing big complicated mixed raw materials in batches, and single power unit can't break the granule effectively and agglomerate, is difficult to adapt to the mass production demand. 2. The device dials the molecular sieve out through the pulling force piece of dialling the post upper end to dredge the molecular sieve that blocks on the screen cloth through soft strip, but the jam has taken place in the device screening process, often has the raw materials that can't fully screen to fall into wrong position, greatly reduced screening precision; 3. the device body front and back both ends all are equipped with arched limit case, but whole device is open structure, when screening the easy oxidation raw materials, leads to raw materials and air fully contact and oxidation easily. Based on the above, the invention designs a 3D metal printing mixed screening system to solve the above problems. Disclosure of Invention The invention aims to provide a 3D metal printing mixing screening system, which aims to solve the technical problems that the prior art is difficult to adapt to the requirement of mass production, the screening precision is greatly reduced, and the raw materials are easy to be oxidized due to full contact with air. In order to achieve the above purpose, the 3D metal printing and mixing screening system provided by the embodiment of the invention comprises a storage and conveying mechanism; The device also comprises a material homogenizing mechanism, a mixing mechanism and a ventilation mechanism; The material storage and conveying mechanism is arranged at the upper end of the material homogenizing mechanism through an external bracket, and the mixing mechanism is arranged at the lower end of the material homogenizing mechanism through an external bracket; the material homogenizing mechanism comprises a material mixing component and a uniform spreading component, wherein the material mixing component is arranged at the upper end of the mixing mechanism, and the uniform spreading component is arranged at the upper end of the mixing mechanism; The mixing mechanism comprises a vibrating screen assembly and a discharging assembly, the vibrating screen assembly is arranged at the lower end of the mixing assembly, the discharging assembly is arranged at the lower end of the vibrating screen assembly, the upper end of the vibrating screen assembly is provided with a uniform spreading assembly, and the ventilation mechanism is arranged at the outer end of the storage conveying mechanism. Still further, the compounding subassembly includes a pre-mixing section of thick bamboo, (mixing) shaft, motor and stirring rake, and a pre-mixing section of thick bamboo passes through external support to be installed at storage conveying mechanism lower extreme, and a motor fixed connection is in a pre-mixing section of thick bamboo upper end, and the (mixing) shaft rotates to be connected in a pre-mixing section of thick bamboo inside upper end, and a motor output extends to a pre-mixing section of thick bamboo inner fixed connection in the (mixing) shaft rotation end, and (mixing) shaft side end symmetry position fixedly connect