Additive and subtractive combined machining 3D printer with polishing function

Abstract

The invention relates to the technical field of 3D printers, and discloses an additive and subtractive combined machining 3D printer with a polishing function, the additive and subtractive combined machining 3D printer comprises a supporting seat, a working mechanism is arranged on the surface of the supporting seat, a moving mechanism is arranged at the bottom of the working mechanism, and a polishing mechanism is arranged at the top of the moving mechanism. Through angle adjustment, the polishing piece can be attached to different surfaces of the materials, all-directional polishing of the materials is achieved, in the 3D printing process, due to the characteristics of the printing technology, flaws such as layer lines, protrusions, concaves and rough edges can inevitably appear on the surfaces of the materials, the flaws affect the appearance quality of the materials, and the defects cannot affect the appearance quality of the materials. In some application scenes with high requirements for surface precision, the performance of the material is possibly affected, the unevenness and defects can be effectively removed through the polishing procedure, the surface of the material becomes smooth and uniform, and the overall visual effect of the polished material is remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printers, and specifically to an additive and subtractive composite processing 3D printer with a grinding function. Background Technique

[0002] A 3D printer heats and melts a filamentous thermoplastic material, extrudes and sprays it through a nozzle with a fine nozzle. After the material melts, it sprays out from the nozzle and deposits on the production panel or the previously solidified material of the previous layer. After the temperature is lower than the solidification temperature, it begins to solidify, and layer by layer stacking forms the final product. First, it models through computer-aided design (CAD) or computer animation modeling software, and then "divides" the built three-dimensional model into cross-sections layer by layer, so as to guide the printer to print layer by layer. The standard file format for cooperation between design software and the printer is the STL file format, and the VRML or WRL files generated by PLY files are often used as input files for full-color printing.

[0003] The patent network publication number CN 218557982 U discloses a 3D printer, which mainly supports a flexible tube and a wiring harness by setting a limiting member, avoiding the drooping of the flexible tube and the wiring harness during the spraying process of the nozzle assembly, which affects the printing process or touches the model, and ensuring the smooth progress of the printing process. The main technical solution of the present utility model is: a 3D printer, including: a printer main body and a print head assembly; the print head assembly is arranged on the printer main body and can move for 3D printing, and a connection line is connected between the print head assembly and the printer main body; a limiting member, the limiting member is arranged on the printer main body, and the limiting member is used for limiting the connection line. The present utility model is mainly used for limiting the connection line.

[0004] The applicant believes that it has the following disadvantages: This 3D printer does not have the function of grinding the surface of the processed material. The processed material will inevitably have defects such as layer lines, protrusions, depressions, and burrs. These defects not only affect the appearance quality of the material, but also may affect its performance in some application scenarios with high surface accuracy requirements, and there are deficiencies. Summary of the Invention

[0005] The purpose of the present invention is to provide an additive and subtractive composite processing 3D printer with a grinding function to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: An additive and subtractive composite processing 3D printer with a grinding function, including a support base, a working mechanism is arranged on the surface of the support base, a moving mechanism is arranged at the bottom of the working mechanism, and a grinding mechanism is arranged on the top of the moving mechanism.

[0007] The grinding mechanism includes a dual-axis motor, which is arranged on the front side of the support seat, and output shafts are fixedly connected on both sides of the dual-axis motor, a grinding piece is fixedly connected to the surface of the output shaft, and a fixed frame is rotatably connected to the surface of the output shaft, and a limiting frame is fixedly connected to the middle of the top of the fixing frame, a cylinder is hinged in the limiting frame, and a second support frame is hinged on the side of the cylinder facing away from the limiting frame, and a horizontal plate is fixedly connected to the top of the second support frame.

[0008] Preferably, both sides of the top of the fixed frame are fixedly connected to a first support frame, and a support arm is hinged in the first support frame. The top of the support arm is rotatably connected to a support shaft, and the support shaft is rotatably connected to the cross plate. In the entire mechanical structure, the specially arranged support arm plays a vital role. It is made of high-strength alloy material and has excellent pressure and bending resistance. One end of the support arm is connected to the stable base at the bottom through a precise rotating shaft. This design enables the support arm to flexibly rotate within a certain angle range to adapt to different work requirements, and the other end is precisely connected to the cross plate. When the device starts running, the support arm relies on its own solid structure to steadily lift the cross plate, providing reliable support for the cross plate, ensuring that the cross plate can maintain a stable state when carrying various items or performing related operations, and will not shake, tilt, or other situations that affect the work effect.

[0009] Preferably, a fixing plate is fixedly connected to the top of the dual-axis motor, and the fixing plate is fixedly connected to the top of the fixing frame. Two fixing plates are provided, and the two fixing plates are symmetrically provided. The dual-axis motor can be supported and fixed by the provided fixing plates to prevent the dual-axis motor from falling off during operation.

[0010] Preferably, the bottom right side of the horizontal plate is fixedly connected to a vertical plate, and the bottom of the vertical plate is fixedly connected to a mounting bracket, and the mounting bracket is arranged on the right side of the dual-axis motor. During the system installation process, the pre-built mounting bracket, with its stable structure and reasonable layout, applies a uniform and continuous force to the horizontal plate from multiple points, thereby successfully providing a solid and powerful support effect for the horizontal plate.

[0011] Preferably, the working mechanism includes a second servo motor, which is fixedly connected to the front side of the support seat, and a threaded rod is fixedly connected to the top of the second servo motor. The top of the threaded rod is rotatably connected to a limit frame, and the limit frame is fixedly connected to the front side of the support seat. During the rotation of the threaded rod, based on the principle of threaded transmission, the second sliding plate will move up and down smoothly, thereby driving the nozzle connected to it to precisely move along the y-axis direction. This design makes the positioning of the nozzle in the y-axis direction more precise, and meets the requirements of complex processing for fine operations in the y-axis dimension.

[0012] Preferably, a second sliding plate is threadedly connected to the surface of the threaded rod. Second guide rods are slidably connected to both sides of the second sliding plate, and the second guide rods are fixedly connected to the bottom of the limiting frame. A first guide rod is fixedly connected between the two second sliding plates. A first belt is arranged between the two first guide rods. The left side of the first belt is drivingly connected to one end of the output shaft on the surface of the first servo motor. A first sliding plate is slidably connected to the surface of the first guide rod. A third servo motor is arranged on one side of the first sliding plate. A nozzle is fixedly connected to the bottom of the first sliding plate. When the first servo motor is started, this motor drives the first belt to operate. Under the stable effect of belt transmission, the nozzle can be moved along the x-axis direction. Through the coordinated operation of the first servo motor and the second servo motor.

[0013] Preferably, the moving mechanism includes a placement seat. A fixed seat is fixedly connected to the bottom of the placement seat. A limiting rod is arranged at the bottom of the fixed seat, and the limiting rod is fixedly connected to the front side of the support seat. A first connecting rod and a second connecting rod are fixedly connected between the two limiting rods. The fixed seat is slidably connected to the surface of the second connecting rod. By arranging the limiting rod, the second belt can be supported.

[0014] Preferably, a fourth servo motor is fixedly connected to the surface of the limiting rod. An output shaft is fixedly connected to one side of the first servo motor. A second belt is drivingly connected to the surface of the output shaft. The second belt is arranged at the bottom of the fixed seat. A mounting member is fixedly connected to the surface of the limiting rod. Driven by the second belt, the fixed seat connected to the belt can move smoothly, thereby realizing the moving operation of the material placed on the fixed seat.

[0015] Compared with the prior art, the present invention provides an additive and subtractive composite processing 3D printer with a grinding function, and has the following beneficial effects: 1. For this additive and subtractive composite processing 3D printer with a grinding function, through this angle adjustment, the grinding part can fit different surfaces of the material, realizing all-round grinding of the material. During the 3D printing process, due to the characteristics of the printing process, flaws such as layer lines, protrusions, depressions, and burrs may inevitably appear on the surface of the material. These flaws not only affect the appearance quality of the material, but also may affect its performance in some application scenarios with high surface precision requirements. The grinding process can effectively remove these unevennesses and defects, making the surface of the material smooth and uniform. After grinding, the overall visual effect of the material is significantly improved. Whether it is used as a final product or as a semi-finished product for subsequent processing, it can meet higher quality standards.

[0016] 2. The additive and subtractive composite processing 3D printer with grinding function enables the nozzle to move flexibly within the plane formed by the x-axis and y-axis through the coordinated operation of the first servo motor and the second servo motor, achieving multi-directional movement control of the material. This multi-axis linkage design greatly facilitates diverse processing operations on the material. Whether it is simple linear processing or complex curve processing, it can be easily handled.

[0017] 3. The additive and subtractive composite processing 3D printer with grinding function can achieve stable movement through the fixed seat connected to the belt, and then realize the movement operation of the material placed on the fixed seat. This material movement design, in cooperation with the movement of the nozzle, further expands the flexibility of processing. For example, in the processing of some large materials, the movement of the material can reduce the travel of the nozzle movement and improve the processing efficiency.

[0018] 4. The additive and subtractive composite processing 3D printer with grinding function realizes the purpose of processing by 3D printing the material. The entire 3D printing process relies on the precise control of each servo motor, with simple and fast operation, and can efficiently convert the design model into a physical object. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the grinding mechanism of the present invention; Figure 3 It is a schematic diagram of the processing mechanism of the present invention; Figure 4 It is Figure 3 The enlarged schematic diagram of the structure at A in Figure 5 It is a schematic diagram of the moving mechanism of the present invention; Figure 6 It is a partial structure schematic diagram of the moving mechanism of the present invention.

[0020] In the figure: 1, support base; 2, grinding mechanism; 21, support shaft; 22, first support frame; 23, fixing frame; 24, cross plate; 25, grinding part; 26, fixing plate; 27, limiting frame; 28, dual-axis motor; 29, mounting frame; 201, vertical plate; 202, second support frame; 203, cylinder; 204, support arm; 3, working mechanism; 31, threaded rod; 32, first servo motor; 33, second servo motor; 34, nozzle; 35, first sliding plate; 36, third servo motor; 37, second sliding plate; 38, first belt; 39, first guide rod; 301, second guide rod; 4, moving mechanism; 41, fourth servo motor; 42, first connecting rod; 43, second connecting rod; 44, fixing base; 45, second belt; 46, mounting part; 47, limiting rod; 48, placing base. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] The present invention provides a technical solution: Embodiment 1:

[0023] Combined with Figures 1 to 2 , a 3D printer with additive and subtractive composite processing function with grinding function, including a support base 1, a working mechanism 3 is arranged on the surface of the support base 1, a moving mechanism 4 is arranged at the bottom of the working mechanism 3, and a grinding mechanism 2 is arranged on the top of the moving mechanism 4.

[0024] The grinding mechanism 2 includes a dual-axis motor 28, the dual-axis motor 28 is arranged on the front side of the support base 1, output shafts are fixedly connected to both sides of the dual-axis motor 28, a grinding part 25 is fixedly connected to the surface of the output shaft, a fixing frame 23 is rotatably connected to the surface of the output shaft, a limiting frame 27 is fixedly connected to the middle of the top of the fixing frame 23, a cylinder 203 is hinged in the limiting frame 27, and a second support frame 202 is hinged to the side of the cylinder 203 away from the limiting frame 27, and a cross plate 24 is fixedly connected to the top of the second support frame 202.

[0025] Furthermore, first support frames 22 are fixedly connected to both sides of the top of the fixing frame 23, support arms 204 are hinged in the first support frames 22, a support shaft 21 is rotatably connected to the top of the support arm 204, and the support shaft 21 is rotatably connected in the cross plate 24.

[0026] Further, a fixing plate 26 is fixedly connected to the top of the biaxial motor 28. The fixing plate 26 is fixedly connected to the inner top of the fixing frame 23. The number of the fixing plates 26 is two, and the two fixing plates 26 are symmetrically arranged.

[0027] Further, a vertical plate 201 is fixedly connected to the bottom right side of the horizontal plate 24. The bottom of the vertical plate 201 is fixedly connected to a mounting frame 29. The mounting frame 29 is arranged on the right side of the biaxial motor 28. Embodiment 2:

[0028] Refer to Figures 3 - 4 On the basis of Embodiment 1, the grinding mechanism 2 further includes a biaxial motor 28. The biaxial motor 28 is arranged on the front side of the support base 1. Output shafts are fixedly connected to both sides of the biaxial motor 28. A grinding member 25 is fixedly connected to the surface of the output shaft. A fixing frame 23 is rotatably connected to the surface of the output shaft. A limiting frame 27 is fixedly connected to the middle of the top of the fixing frame 23. A cylinder 203 is hinged inside the limiting frame 27. A second support frame 202 is hinged to the side of the cylinder 203 away from the limiting frame 27. A horizontal plate 24 is fixedly connected to the top of the second support frame 202.

[0029] A fixing plate 26 is fixedly connected to the top of the biaxial motor 28. The fixing plate 26 is fixedly connected to the inner top of the fixing frame 23. The number of the fixing plates 26 is two, and the two fixing plates 26 are symmetrically arranged. A vertical plate 201 is fixedly connected to the bottom right side of the horizontal plate 24. The bottom of the vertical plate 201 is fixedly connected to a mounting frame 29. The mounting frame 29 is arranged on the right side of the biaxial motor 28.

[0030] The working mechanism 3 includes a second servo motor 33. The second servo motor 33 is fixedly connected to the front side of the support base 1. A threaded rod 31 is fixedly connected to the top of the second servo motor 33. The top of the threaded rod 31 is rotatably connected to a limiting frame 27. The limiting frame 27 is fixedly connected to the front side of the support base 1.

[0031] Further, a second sliding plate 37 is threadedly connected to the surface of the threaded rod 31. Second guide rods 301 are slidably connected to both sides of the second second sliding plate 37. The second guide rods 301 are fixedly connected to the bottom of the limiting frame 27. A first guide rod 39 is fixedly connected between the two second sliding plates 37. A first belt 38 is arranged between the two first guide rods 39. The left side of the first belt 38 is drivingly connected to one end of the output shaft on the surface of the first servo motor 32. A first sliding plate 35 is slidably connected to the surface of the first guide rod 39. A third servo motor 36 is arranged on one side of the first sliding plate 35. A nozzle 34 is fixedly connected to the bottom of the first sliding plate 35. Embodiment 3:

[0032] Refer to Figures 5 - 6On the basis of the first and second embodiments, the grinding mechanism 2 is further obtained to include a dual-axis motor 28, the dual-axis motor 28 is arranged on the front side of the support base 1, both sides of the dual-axis motor 28 are fixedly connected with output shafts, the surface of the output shaft is fixedly connected with a grinding piece 25, the surface of the output shaft is rotatably connected with a fixed frame 23, the top middle of the fixed frame 23 is fixedly connected with a limiting frame 27, the limiting frame 27 is hinged with a cylinder 203, the side of the cylinder 203 away from the limiting frame 27 is hinged with a second support frame 202, and the top of the second support frame 202 is fixedly connected with a horizontal plate 24.

[0033] A second sliding plate 37 is threadedly connected to the surface of the threaded rod 31, and a second guide rod 301 is slidably connected on both sides of the second sliding plate 37. The second guide rod 301 is fixedly connected to the bottom of the limit frame 27. A first guide rod 39 is fixedly connected between the two second sliding plates 37. A first belt 38 is arranged between the two first guide rods 39. The left side of the first belt 38 is transmission-connected to one end of the output shaft on the surface of the first servo motor 32. The surface of the first guide rod 39 is slidably connected to the first sliding plate 35. A third servo motor 36 is arranged on one side of the first sliding plate 35. The bottom of the first sliding plate 35 is fixedly connected to the nozzle 34.

[0034] The working mechanism 3 includes a second servo motor 33, which is fixedly connected to the front side of the support base 1. The top of the second servo motor 33 is fixedly connected to a threaded rod 31, and the top of the threaded rod 31 is rotatably connected to a limit frame 27, which is fixedly connected to the front side of the support base 1.

[0035] Furthermore, a second sliding plate 37 is threadedly connected to the surface of the threaded rod 31, and a second guide rod 301 is slidably connected on both sides of the second sliding plate 37. The second guide rod 301 is fixedly connected to the bottom of the limit frame 27. A first guide rod 39 is fixedly connected between the two second sliding plates 37. A first belt 38 is arranged between the two first guide rods 39. The left side of the first belt 38 is transmission-connected to one end of the output shaft on the surface of the first servo motor 32. The surface of the first guide rod 39 is slidably connected to the first sliding plate 35. A third servo motor 36 is arranged on one side of the first sliding plate 35. The bottom of the first sliding plate 35 is fixedly connected to the nozzle 34.

[0036] The moving mechanism 4 includes a placement seat 48, the bottom of the placement seat 48 is fixedly connected to a fixed seat 44, a limiting rod 47 is provided at the bottom of the fixed seat 44, the limiting rod 47 is fixedly connected to the front side of the support seat 1, and a first connecting rod 42 and a second connecting rod 43 are fixedly connected between the two limiting rods 47, and the fixed seat 44 is slidably connected to the surface of the second connecting rod 43.

[0037] Further, a fourth servo motor 41 is fixedly connected to the surface of the limit rod 47. An output shaft is fixedly connected to one side of the first servo motor 32. A second belt 45 is drivingly connected to the surface of the output shaft. The second belt 45 is arranged at the bottom of the fixed seat 44. An installation member 46 is fixedly connected to the surface of the limit rod 47.

[0038] During the actual operation process, when this device is in use, when processing materials, we first place the materials stably on the top of the placement seat 48. This is the starting step of the entire processing process, ensuring the accuracy of the initial position of the materials and laying a foundation for subsequent processing. Subsequently, the second servo motor is started. This motor has high-precision control performance, and its operation can drive the carefully designed threaded rods 31 on both sides to rotate synchronously. During the rotation of the threaded rods 31, based on the principle of screw drive, the second sliding plate 37 will move smoothly up and down, thereby driving the connected nozzle 34 to accurately displace along the y-axis direction. This design makes the positioning of the nozzle 34 in the y-axis direction more accurate, meeting the fine operation requirements for the y-axis dimension in complex processing. Immediately afterwards, the first servo motor is started. This motor drives the first belt 38 to operate. Under the stable effect of belt drive, the nozzle 34 can be moved along the x-axis direction. Through the coordinated operation of the first servo motor and the second servo motor, the nozzle 34 can move flexibly in the plane composed of the x-axis and the y-axis, realizing multi-directional movement control of the materials. This multi-axis linkage design greatly facilitates the diversified processing operations of the materials. Whether it is simple straight-line processing or complex curve processing, it can be easily handled. Then, by starting the fourth servo motor, this motor drives the second belt 45 to rotate. Driven by the second belt 45, the fixed seat 44 connected to the belt can move smoothly, thereby realizing the movement operation of the materials placed on the fixed seat 44. This material movement design, in cooperation with the movement of the nozzle 34, further expands the flexibility of processing. For example, in the processing of some large materials, the movement of the materials can reduce the travel of the nozzle 34 and improve the processing efficiency. When the positions of the materials and the nozzle 34 are adjusted in place, the third servo motor is started. At this time, the nozzle 34 enters the working state and starts 3D printing the materials, thereby achieving the purpose of processing. The entire 3D printing process relies on the precise control of each servo motor, with simple and fast operation, and can efficiently convert the design model into a physical object. When it is necessary to polish the surface of the material, the dual-axis motor 28 can be started. The unique structural design of the dual-axis motor 28 enables it to drive the polishing parts 25 on both sides to rotate at high speed simultaneously. The polishing parts 25 are made of special wear-resistant materials and can generate a powerful polishing force under high-speed rotation. Then, the air cylinder 203 is started. Through precise air pressure control, the air cylinder 203 can flexibly adjust the angle of the polishing parts 25. Through this angle adjustment, the polishing parts 25 can fit different surfaces of the material to achieve all-round polishing of the material. During the 3D printing process, due to the characteristics of the printing process, flaws such as layer lines, protrusions, depressions, and burrs may inevitably appear on the surface of the material. These flaws not only affect the appearance quality of the material but may also affect its performance in some application scenarios with high surface precision requirements. The polishing process can effectively remove these unevennesses and defects, making the surface of the material smooth and uniform. After polishing, the overall visual effect of the material is significantly improved, and it can meet higher quality standards whether as a final product or as a semi-finished product for subsequent processing.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A hybrid additive and subtractive manufacturing 3D printer with a grinding function, comprising a support base (1), characterized in that: A working mechanism (3) is provided on the surface of the support seat (1), a moving mechanism (4) is provided at the bottom of the working mechanism (3), and a polishing mechanism (2) is provided at the top of the moving mechanism (4); The grinding mechanism (2) comprises a double-axis motor (28), the double-axis motor (28) is arranged on the front side of the support seat (1), both sides of the double-axis motor (28) are fixedly connected to output shafts, the surface of the output shaft is fixedly connected to a grinding piece (25), the surface of the output shaft is rotatably connected to a fixed frame (23), the top middle of the fixed frame (23) is fixedly connected to a limiting frame (27), the limiting frame (27) is hinged with a cylinder (203), the side of the cylinder (203) facing away from the limiting frame (27) is hinged with a second support frame (202), and the top of the second support frame (202) is fixedly connected to a horizontal plate (24).

2. The additive and subtractive hybrid manufacturing 3D printer with a grinding function according to claim 1, wherein: Both sides of the top of the fixing frame (23) are fixedly connected to a first support frame (22), a support arm (204) is hingedly connected inside the first support frame (22), the top of the support arm (204) is rotatably connected to a support shaft (21), and the support shaft (21) is rotatably connected inside the transverse plate (24).

3. The additive and subtractive hybrid manufacturing 3D printer with a grinding function according to claim 1, characterized in that: A fixing plate (26) is fixedly connected to the top of the dual-axis motor (28), and the fixing plate (26) is fixedly connected to the top of the fixing frame (23). There are two fixing plates (26), and the two fixing plates (26) are symmetrically arranged.

4. A hybrid additive and subtractive manufacturing 3D printer with a grinding function according to claim 1, characterized in that: The bottom right side of the horizontal plate (24) is fixedly connected to a vertical plate (201), and the bottom of the vertical plate (201) is fixedly connected to a mounting frame (29), and the mounting frame (29) is arranged on the right side of the dual-axis motor (28).

5. A hybrid additive and subtractive manufacturing 3D printer with a grinding function according to claim 1, characterized in that: The working mechanism (3) comprises a second servo motor (33), the second servo motor (33) is fixedly connected to the front side of the support base (1), the top of the second servo motor (33) is fixedly connected to a threaded rod (31), the top of the threaded rod (31) is rotatably connected to a limiting frame (27), and the limiting frame (27) is fixedly connected to the front side of the support base (1).

6. The additive and subtractive hybrid manufacturing 3D printer with a grinding function according to claim 5, characterized in that: The surface of the threaded rod (31) is threadedly connected to a second sliding plate (37), and both sides of the second sliding plate (37) are slidably connected to second guide rods (301), and the second guide rods (301) are fixedly connected to the bottom of the limit frame (27). A first guide rod (39) is fixedly connected between the two second sliding plates (37), and a first belt (38) is provided between the two first guide rods (39). The left side of the first belt (38) is transmission-connected to one end of the output shaft of the surface of the first servo motor (32). The surface of the first guide rod (39) is slidably connected to a first sliding plate (35), and a third servo motor (36) is provided on one side of the first sliding plate (35). The bottom of the first sliding plate (35) is fixedly connected to a nozzle (34).

7. A hybrid additive and subtractive manufacturing 3D printer with a grinding function according to claim 1, characterized in that: The moving mechanism (4) includes a placement seat (48), the bottom of the placement seat (48) is fixedly connected to a fixed seat (44), a limiting rod (47) is provided at the bottom of the fixed seat (44), the limiting rod (47) is fixedly connected to the front side of the support seat (1), a first connecting rod (42) and a second connecting rod (43) are fixedly connected between the two limiting rods (47), and the fixed seat (44) is slidably connected to the surface of the second connecting rod (43).

8. A hybrid additive and subtractive manufacturing 3D printer with a grinding function according to claim 7, characterized in that: The surface of the limiting rod (47) is fixedly connected to a fourth servo motor (41), one side of the fourth servo motor (41) is fixedly connected to an output shaft, the surface of the output shaft is transmission-connected to a second belt (45), the second belt (45) is arranged at the bottom of the fixing seat (44), and the surface of the limiting rod (47) is fixedly connected to a mounting member (46).

Images