CN-224224537-U - 3D printing equipment

Abstract

The utility model discloses 3D printing equipment, which comprises a printing platform, a driving mechanism, a spreading mechanism and an adjusting component, wherein the printing platform is used for bearing a material layer, the driving mechanism is connected with the printing platform and is used for adjusting the position of the printing platform in the Z-axis direction, the spreading mechanism comprises a moving component, a scraper and the adjusting component, the scraper moves back and forth on a plane through the moving component, and the scraper is used for spreading a material to be solidified on the printing platform so as to form the material layer on the printing platform. The adjusting component is connected to the moving component, the scraper is connected to the adjusting component, and the adjusting component is used for adjusting the position of the scraper in the Z-axis direction. According to the utility model, the height of the scraper in the Z-axis direction is adjusted in real time through the adjusting component, so that the requirements of different material characteristics or different layer thicknesses can be adapted, and the material laying uniformity is ensured.

Inventors

• Pan Pengzhao
• ZHU PING
• CAI HUIWEI

Assignees

• 台州新森增材制造有限公司

Dates

Publication Date

20260512

Application Date

20250610

Claims (10)

1. 1. A 3D printing apparatus, comprising: the printing platform is used for bearing the material layer; the driving mechanism is connected with the printing platform and used for adjusting the position of the printing platform in the Z-axis direction; The spreading mechanism comprises a moving assembly and a scraper, the scraper moves back and forth on a plane through the moving assembly, and the scraper is used for spreading a material to be solidified on the printing platform so as to form the material layer on the printing platform; The device is characterized in that the spreading mechanism further comprises: the adjusting component is connected to the moving component, the scraper is connected to the adjusting component, and the adjusting component is used for adjusting the position of the scraper in the Z-axis direction.
2. 2. The 3D printing device according to claim 1, wherein the adjusting assembly comprises a scraper hanging plate and a scraper adjusting plate, the scraper hanging plate is fixed on the moving assembly, the scraper adjusting plate is fixedly connected with the scraper, the scraper adjusting plate is provided with a first connecting piece, the first connecting piece is provided with a second connecting piece, the second connecting piece can be adjusted in position along the Z-axis direction on the first connecting piece, and the second connecting piece is limited on the scraper hanging plate.
3. 3. The 3D printing device according to claim 2, wherein the first connecting piece is a connecting column, the connecting column penetrates through the through hole of the scraper hanging plate, the second connecting piece is a first nut, the first nut is connected to the connecting column through a bolt, and the first nut is limited on the scraper hanging plate after being adjusted on the connecting column along the Z-axis direction.
4. 4. A3D printing apparatus according to claim 3, wherein said first nut is secured to said doctor blade carrier plate at its top surface by glue.
5. 5. A3D printing apparatus according to claim 3, wherein the connecting post is threaded with a second nut, the first nut is locked at the top surface of the doctor blade hanging plate, and the second nut is locked at the bottom surface of the doctor blade hanging plate.
6. 6. A3D printing apparatus according to claim 2, wherein the doctor blade is provided with a cavity, an opening is provided at the bottom of the doctor blade, a through hole is provided at the top of the doctor blade, and the cavity communicates the opening and the through hole.
7. 7. A3D printing apparatus according to claim 6, wherein a tube is provided at the top of the doctor blade, the tube being provided with a tube hole, the tube hole being in communication with the through hole.
8. 8. The apparatus of claim 7, wherein the tube extends in the Z-axis direction, the doctor blade adjustment plate has a first mounting hole, the doctor blade hanging plate has a second mounting hole, and the tube passes through the first mounting hole and the second mounting hole.
9. 9. The 3D printing device according to claim 2, wherein the moving assembly comprises a second guide rail and a second slider, the second slider moves linearly and reciprocally on the second guide rail, connecting portions are arranged at two ends of the scraper hanging plate, the sectional area of each connecting portion is larger than that of the scraper hanging plate, and the connecting portions and the second slider are fixedly connected through connecting bolts.
10. 10. The 3D printing apparatus according to claim 1, further comprising a trough, wherein the trough is provided with a chamber, the chamber is provided with an opening, the printing platform vertically moves in the chamber through the opening, a supporting platform is arranged at the top of the trough, and the moving assembly is fixed on the supporting platform.

Description

3D printing equipment Technical Field The utility model belongs to the technical field of 3D printing, and particularly relates to 3D printing equipment. Background The 3D printing is a rapid prototyping technology, which is a technology for constructing objects by using powdery materials such as metal, plastic, resin and the like which can be bonded or solidified based on digital model files in a layer-by-layer printing mode. The 3D printing apparatus manufactures a 3D object by performing such a printing technique, and has wide application in fields of molds, customized goods, medical jigs, prostheses, and the like due to high molding accuracy. The photo-curing material between the printing reference plane and the component platform is cured to form a pattern curing layer, and the steps are repeated to form a printing structure accumulated by the pattern curing layer on the component platform. The invention patent application named 3D printing device (application publication No. CN 116353054A) is disclosed in the prior art, wherein the scraper is connected to the second beam and the blade faces the plane of the component platform so as to spread the material to be solidified in a flowing state on the component platform along with the movement of the second beam, and the blade edge of the scraper is leveled with the opening of the forming chamber, so that the material to be solidified in the flowing state is spread towards the area to be formed by utilizing the opening of the forming chamber to form a material layer. However, when the height of the scraper is fixed, the distance between the scraper and the printing platform cannot be flexibly adjusted according to different material characteristics or different layer thickness requirements, and uneven spreading is easily caused. Disclosure of utility model The utility model provides 3D printing equipment, which solves the technical problems of poor adaptability and low precision caused by unadjustable height of a scraper in the prior art by improving the specific structure of an auxiliary material mechanism. In order to solve the technical problems, the utility model adopts the following technical scheme: A 3D printing apparatus, comprising: the printing platform is used for bearing the material layer; The driving mechanism is connected with the printing platform and used for adjusting the position of the printing platform in the Z-axis direction; The spreading mechanism comprises a moving assembly and a scraper, the scraper moves back and forth on a plane through the moving assembly, and the scraper is used for spreading a material to be solidified on the printing platform so as to form a material layer on the printing platform; The utility model is characterized in that, the spreading mechanism still includes: The adjusting component is connected to the moving component, the scraper is connected to the adjusting component, and the adjusting component is used for adjusting the position of the scraper in the Z-axis direction. Further, adjusting part includes scraper link plate and scraper adjusting plate, and the scraper link plate is fixed on moving the subassembly, scraper adjusting plate and scraper fixed connection, and the scraper adjusting plate is equipped with connecting piece one, and connecting piece one is equipped with connecting piece two, and connecting piece two can be on connecting piece one along Z axle direction adjustment position, and connecting piece two is spacing on the scraper link plate. Further, the first connecting piece adopts the spliced pole, and the spliced pole passes the through-hole of scraper link plate, and the second connecting piece adopts the first nut, and first nut bolted connection is on the spliced pole, and first nut is spacing on the scraper link plate after accomplishing along Z axle direction adjustment on the spliced pole. Further, the first nut is fixed on the top surface of the scraper hanging plate through glue. Further, the connecting column is in threaded connection with a second nut, the first nut is locked at the top surface of the scraper hanging plate, and the second nut is locked at the bottom surface of the scraper hanging plate. Further, the scraper is provided with a cavity, the bottom of the scraper is provided with an opening, the top of the scraper is provided with a through hole, and the cavity is communicated with the opening and the through hole. Further, the top of scraper is equipped with the pipe, and the pipe is equipped with tube hole, tube hole and through-hole intercommunication. Further, the pipe extends to the Z-axis direction, the scraper adjusting plate is provided with a first mounting hole, the scraper hanging plate is provided with a second mounting hole, and the pipe penetrates through the first mounting hole and the second mounting hole. Further, the moving assembly comprises a second guide rail and a second slide block, the second slide block linearly reciprocates on the se