Model design 3D printing device

Abstract

The invention relates to the technical field of 3D printing, and discloses a model design 3D printing device which comprises a top plate, a supporting column, a bottom plate, a lifting adjusting mechanism, a supporting plate and a multi-angle grinding and impurity removing mechanism, the supporting column is installed at the edge of the outer end between the top plate and the bottom plate, a transverse and longitudinal adjusting mechanism is arranged in the top plate, and a nozzle structure is connected into the transverse and longitudinal adjusting mechanism; the lifting adjusting mechanism is fixedly arranged near the rear portion of the upper end of the bottom plate, the supporting plate is connected to the front end of the lifting adjusting mechanism, the multi-angle grinding and impurity removing mechanism is arranged above the supporting plate and connected to the lower end of the supporting plate, and the multi-angle grinding and impurity removing mechanism comprises a grinding and impurity removing structure. The grinding and impurity removing structure is used for making contact with the upper portion of the 3D printing model design for grinding and impurity removing. Accurate movement of the nozzle in the horizontal direction and the vertical direction is achieved, the nozzle can flexibly reach all positions in a printing area, and all-directional grinding and impurity removal can be conducted on printing models of different shapes and angles.

Description

Technical Field

[0001] This invention relates to the field of 3D printing technology, specifically to a model design 3D printing device. Background Technology

[0002] Model design is a design scheme made by using models to develop design concepts. With the significant improvement of my country's economic and cultural level, people's requirements for living environment are also getting higher and higher. Industries such as urban planning, architectural design, real estate, and landscaping are developing rapidly. With the development of cities and the surge in the number of buildings, especially the rapid expansion of the real estate industry in the past ten years and the requirements for landscaped environments, the market demand for model design and production is growing. Its functions are also being further developed. After the model design is completed, it needs to be produced. 3D printing technology can quickly produce models. 3D printing is a technology that uses digital model files as a basis and uses powdered metal or plastic and other adhesive materials to construct objects by printing layer by layer.

[0003] Existing 3D printing equipment for model design makes it difficult to clean impurities from the outer surface of the 3D printed model during use, resulting in numerous burrs on the printed edges. If these burrs are not cleaned, the quality of the 3D printing technology will be significantly reduced. Most existing technologies, which employ planar grinding techniques, are not effectively applicable to 3D printed models, and manual grinding for impurity removal will affect both model quality and efficiency. Therefore, a corresponding technical solution needs to be designed to address this issue. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a 3D printing device for model design, which solves the technical problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a model design 3D printing device, comprising a top plate, a support column, a bottom plate, a lifting and adjusting mechanism, a support plate, and a multi-angle grinding and impurity removal mechanism. The support column is installed at the outer edge between the top plate and the bottom plate, providing a stable support frame for the entire device, ensuring the stability of the device during printing, and reducing the impact of vibration and other factors on printing quality. The top plate is equipped with a horizontal and vertical adjustment mechanism, and the nozzle structure is connected inside the horizontal and vertical adjustment mechanism, realizing the precise movement of the nozzle in the horizontal and vertical directions. This layout allows the nozzle to flexibly reach various positions within the printing area, providing a basic guarantee for high-precision 3D printing.

[0006] The lifting and adjusting mechanism is fixedly installed at the upper end of the base plate near the rear, and the support plate is connected to the front end of the lifting and adjusting mechanism, so that the support plate can be height adjusted according to printing requirements, thereby adapting to 3D printed models of different sizes and shapes.

[0007] The multi-angle grinding and impurity removal mechanism is located above the support plate and connected to the lower end of the support plate. The multi-angle grinding and impurity removal mechanism includes a grinding and impurity removal structure, which is used to contact the upper part of the 3D printed model design for grinding and impurity removal. The close layout allows for quick and convenient grinding and impurity removal of the model after printing, reducing the time and cost of transferring the model between different devices and improving the efficiency of the entire 3D printing process.

[0008] Preferably, the longitudinal and transverse adjustment mechanism includes a drive motor, a mounting box, a protective device, a transmission belt, and a second mounting box. The first mounting box is installed at the rear top of the top plate, and the second mounting box is installed at the front top of the top plate. The first drive motor is installed at the bottom of the top plate, and its output end is connected to the internal gear of the first mounting box. The protective device is installed at the middle of both ends of the top plate. The transmission belt is connected to the first mounting box, the protective device, and the second mounting box. A crossbar is fixedly connected between the protective devices. The nozzle structure is connected to the transmission belt between the protective devices and is slidably connected to the outside of the crossbar. Longitudinal rods are installed at both bottom ends of the top plate, and the protective device is slidably connected to the outside of the longitudinal rods. A material output connection structure is connected to the upper rear end of the nozzle structure via a pipe. The material output connection structure is installed at the bottom of the top plate. The rear end of the nozzle structure allows for horizontal and vertical movement. Compared to traditional transmission methods, this drive and transmission method offers advantages such as simple structure and high transmission efficiency. The drive motor precisely controls the speed and direction of the transmission belt, ensuring the nozzle structure accurately reaches the designated position, guaranteeing printing accuracy and stability. The protective device protects the transmission belt, extending its lifespan and providing stable support for longitudinal sliding. The crossbar further stabilizes the nozzle structure during lateral sliding, reducing printing errors caused by shaking. The material output connection structure allows material to be delivered from a stable position to the nozzle structure, ensuring continuous and stable material delivery. This connection method allows the nozzle structure to flexibly adjust its position during movement while maintaining a stable connection with the material delivery system, ensuring smooth printing.

[0009] Preferably, the lifting and adjusting mechanism includes an end plate, a second support column, a second drive motor, a lead screw, an adjusting cylinder, a vertical rod, and a sliding cylinder. The second support column is fixedly installed at the bottom corner of the end plate and at the top of the base plate. The second drive motor is installed at the bottom of the end plate. The lower end of the lead screw is connected through to the output end of the second drive motor. The adjusting cylinder is threadedly connected to the outer end of the lead screw. The vertical rod is installed between the top plate and the base plate, and is located at both ends of the lead screw. The sliding cylinder is slidably connected to the outside of the vertical rod. The second support column is used to stably support the end plate to the top of the base plate. The second drive motor is installed below the end plate to drive and control the lead screw to rotate. The lead screw is used to drive the adjusting cylinder to adjust up and down. The sliding cylinder is used to slide to the outside of the vertical rod to assist in lifting and adjusting. This mechanism can accurately control the height adjustment of the support plate, and the adjusted position can remain stable and will not easily change due to external forces. The sliding cylinder also plays a guiding role, allowing the support plate to maintain vertical movement during lifting and lowering, reducing adjustment errors caused by offset, and further improving the accuracy and stability of lifting and adjusting.

[0010] Preferably, a base plate is provided below the support plate, and a screw is connected to the base plate through the bottom corner of the support plate. A pad is fixedly provided at the lower end of the screw, and a support spring is provided on the outside of the screw. The support spring is fixed between the support plate and the base plate, and the base plate is fixed to the outer front end of the adjusting cylinder and the sliding cylinder. The support spring provides a certain buffering effect when the support plate supports the 3D printed model, which can reduce the damage to the device caused by the weight of the model or external impact. At the same time, the height and level of the support plate can be adjusted by adjusting the screw, ensuring the stability of the support plate during installation and use, and providing a reliable platform for placing the 3D printed model.

[0011] Preferably, the multi-angle grinding and impurity removal mechanism further includes a connecting plate, a fixed plate, a support shaft, a drive shaft, a drive motor, and a support frame. The connecting plate is an arc-shaped plate structure with a limiting groove inside. Extension plates are fixedly connected downwards to both ends of the connecting plate. The support shaft is fixedly disposed on the outer wall of one extension plate. The drive shaft is fixedly disposed on the outer wall of the other extension plate. A limiting cylinder is fixedly disposed through the interior of the fixed plate. Both the support shaft and the drive shaft are rotatably connected to the interior of the limiting cylinder. The drive motor is connected to the outer end of the drive shaft and fixedly disposed on the outer wall of the fixed plate. The support frame is curved. The grooved tubular structure is fixed at the lower end of the fixed plate, allowing the connecting plate to rotate around the support shaft and drive shaft, thereby achieving multi-angle grinding and impurity removal operations. The drive motor six can precisely control the rotation angle and speed of the connecting plate, and adjust according to different model shapes and grinding requirements, improving the flexibility and accuracy of grinding and impurity removal. The support frame with a curved grooved tubular structure is fixedly supported to the bottom two ends of the support plate, and fixedly supports the fixed plate and the limiting cylinder two upwards. The limiting cylinder two is used to movably support the support shaft and drive shaft. The drive motor six is ​​used to drive and control the rotation of the drive shaft, thereby causing the connecting plate and extension plate to flip and adjust the angle.

[0012] Preferably, the grinding and impurity removal structure is slidably connected to the outside of the connecting plate; the grinding and impurity removal structure includes a moving roller, a connecting spring, and a limiting roller. The moving roller is disposed on the outer wall of the connecting plate, and a rotating shaft is fixedly installed through the moving roller. The front and rear ends of the rotating shaft are rotatably connected to a shaft plate one, and the rotating shaft is connected through the shaft plate one to a drive motor three, which is fixedly disposed at the front end of the shaft plate one; a fixed shaft is fixedly installed through the limiting roller, and a shaft plate two is fixedly installed at the front and rear ends of the fixed shaft; the connecting spring is fixedly distributed between the shaft plate one and the shaft plate two; a positioning plate is fixedly installed downward at the middle of the limiting roller, and a limiting ring is fixedly installed at the front and rear of the upper end of the positioning plate. The limiting ring is slidably connected to the inside of the limiting groove; A drive motor four is fixedly installed at the lower rear of the positioning plate. The output end of the drive motor four is connected to a drive shaft one. A bracket plate one is fixedly installed at the outer end of the drive shaft one. The bracket plate one has an L-shaped plate structure. A connecting spring is used to elastically stretch the shaft plate one and the shaft plate two, so that the moving roller and the limiting roller are clamped to the inner and outer walls of the connecting plate. The drive motor three is used to drive and control the rotating shaft and the moving roller to rotate, so as to realize the movement adjustment at the outer end of the connecting plate. The limiting ring is used to limit the positioning plate to move and adjust in an arc-shaped trajectory inside the limiting groove. The drive motor four and the drive shaft one are used to drive and control the L-shaped plate structure bracket plate one to rotate and adjust the angle, ensuring sliding stability, so that the grinding process can be carried out along the predetermined trajectory, improving the grinding quality and consistency.

[0013] Preferably, the upper end of the first support plate is provided with an electric telescopic device, the output end of which is connected to a telescopic rod, and the lower end of the telescopic rod is fixedly provided with a second support plate with a Z-shaped plate structure. The upper end of the second support plate is fixedly distributed with a limiting rod, which is connected to the front end of the first support plate. The electric telescopic device and the telescopic rod are used to adjust the position of the second support plate by telescopic adjustment. The limiting rod is used to assist the second support plate in adjusting its telescopic movement more stably. The second support plate with a Z-shaped plate structure is used to support the drive motor five at the other end, which facilitates the adjustment of the distance between the grinding head and the model surface, and enables grinding operations at different depths.

[0014] Preferably, a drive motor five and a limiting cylinder one are provided at the upper and lower rear ends of the support plate two. The lower end of the drive motor five passes through the limiting cylinder one and is connected to a drive shaft two. A grinding head is installed at the lower end of the drive shaft two. The drive motor five can drive the grinding head to rotate at high speed, so as to perform efficient grinding and impurity removal on the model surface. The setting of the limiting cylinder one plays a limiting and stabilizing role for the drive shaft two, ensuring the stability of the grinding head during the rotation process and improving the grinding quality and effect.

[0015] Preferably, both sides of the second shaft plate are fixedly provided with Z-shaped support rods, and the inner end of the support rod is rotatably connected to an auxiliary wheel. The auxiliary wheel is slidably connected to the inner wall of the connecting plate. The auxiliary wheel and the auxiliary limiting roller are located on the inner wall of the connecting plate to stably support the sliding and prevent swaying.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] (1) By setting the horizontal and vertical adjustment mechanism inside the top plate and connecting the nozzle structure, the nozzle can move precisely in the horizontal and vertical directions, and can flexibly reach various positions in the printing area, providing a basic guarantee for high-precision 3D printing. By connecting the support plate at the front end of the lifting adjustment mechanism, the support plate can be adjusted in height according to printing requirements, thereby adapting to 3D printing models of different sizes and shapes.

[0018] (2) The rotation of the connecting plate can be achieved by the forward and reverse rotation of the drive motor six, thereby driving the grinding and impurity removal structure to make multi-angle adjustments in an arc trajectory. This allows the grinding and impurity removal structure to adapt to printed models of different shapes and angles, and to perform all-round grinding and impurity removal on the model, improving the grinding and impurity removal effect and quality. The grinding and impurity removal structure is driven by the drive motor three to rotate the moving roller. At the same time, with the elastic action of the connecting spring, the grinding and impurity removal structure can move flexibly on the connecting plate. The grinding position and force are automatically adjusted according to the surface shape and contour of the printed model to achieve uniform grinding and impurity removal on the model surface. The rotation speed and grinding direction of the grinding head can be precisely controlled by the drive motor five. According to different printed models and grinding requirements, the parameters of the grinding head can be adjusted to achieve fine grinding of the model surface. At the same time, the electric telescopic device connected to the telescopic rod can control the up and down movement of the grinding head, further expanding the operating range and flexibility of the grinding head. This not only improves the quality and efficiency of 3D printing, but also reduces production costs and maintenance difficulties, providing strong support for the widespread application of 3D printing technology in various fields. It has broad market prospects and application value. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall front upper right view structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the overall front upper left view structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the overall rear-top view structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the nozzle structure's horizontal and vertical adjustment mechanism from above.

[0023] Figure 5 This is a schematic diagram of the nozzle structure's horizontal and vertical adjustment mechanism from below.

[0024] Figure 6 This is a schematic diagram of the support plate lifting and adjusting mechanism and the multi-angle grinding and impurity removal mechanism of the present invention;

[0025] Figure 7 This is a schematic diagram of the support plate and the multi-angle grinding and impurity removal mechanism of the present invention;

[0026] Figure 8 This is a schematic diagram of the multi-angle grinding and impurity removal mechanism of the present invention;

[0027] Figure 9 This is a partial structural diagram of the multi-angle grinding and impurity removal mechanism of the present invention;

[0028] Figure 10 This is a schematic diagram of the auxiliary wheel structure of the present invention.

[0029] In the diagram: 1. Top plate; 11. Horizontal and longitudinal adjustment mechanism; 111. Drive motor one; 112. Mounting box one; 113. Protective device; 114. Transmission belt; 115. Mounting box two; 116. Horizontal bar; 117. Vertical bar; 118. Material output connection structure; 12. Nozzle structure;

[0030] 2. Pillar One;

[0031] 3. Base plate;

[0032] 4. Lifting and adjusting mechanism; 41. End plate; 42. Second support column; 43. Second drive motor; 44. Lead screw; 45. Adjusting cylinder; 46. Upright pole; 461. Slide cylinder;

[0033] 5. Support plate; 51. Base plate; 52. Screw; 53. Support spring; 54. Pad;

[0034] 6. Multi-angle grinding and impurity removal mechanism; 61. Grinding and impurity removal structure; 611. Moving roller; 6111. Rotating shaft; 6112. Shaft plate one; 6113. Drive motor three; 612. Connecting spring; 613. Limiting roller; 6131. ​​Fixed shaft; 6132. Shaft plate two; 614. Positioning plate; 6141. Limiting ring; 615. Drive motor four; 6151. Drive shaft one; 616. Support plate one; 6161. Electric telescopic device 6162. Telescopic rod; 6163. Limiting rod; 617. Support plate two; 618. Drive motor five; 6181. Drive shaft rod two; 6182. Limiting cylinder one; 619. Grinding head; 610. Auxiliary wheel; 6101. Support rod; 62. Connecting plate; 621. Limiting groove; 63. Extension plate; 64. Fixing plate; 65. Support shaft; 66. Drive shaft; 67. Drive motor six; 68. Limiting cylinder two; 69. Support frame. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figures 1-10This invention provides a technical solution: a model design 3D printing device, including a top plate 1, a support column 2, a bottom plate 3, a lifting and adjusting mechanism 4, a support plate 5, and a multi-angle grinding and impurity removal mechanism 6. The support column 2 is installed at the outer edge between the top plate 1 and the bottom plate 3. The support column 2 provides a stable support frame for the entire device, ensuring the stability of the device during the printing process and reducing the impact of vibration and other factors on the printing quality. The top plate 1 is provided with a horizontal and vertical adjustment mechanism 11. The horizontal and vertical adjustment mechanism 11 is connected to a nozzle structure 12, which realizes the precise movement of the nozzle in the horizontal and vertical directions. This layout allows the nozzle to flexibly reach various positions in the printing area, providing a basic guarantee for high-precision 3D printing.

[0037] The lifting and adjusting mechanism 4 is fixedly installed at the upper end of the base plate 3 near the rear. The support plate 5 is connected to the front end of the lifting and adjusting mechanism 4, so that the support plate 5 can be height adjusted according to printing requirements, thereby adapting to 3D printed models of different sizes and shapes.

[0038] The multi-angle grinding and impurity removal mechanism 6 is located above the support plate 5 and connected to the lower end of the support plate 5. The multi-angle grinding and impurity removal mechanism 6 includes a grinding and impurity removal structure 61, which is used to grind and remove impurities from the top of the 3D printed model design. The close layout allows the model to be ground and removed quickly and conveniently after printing, reducing the time and cost of transferring the model between different devices and improving the efficiency of the entire 3D printing process.

[0039] Further improvements include a horizontal and vertical adjustment mechanism 11 comprising a drive motor 111, a mounting box 112, a protective device 113, a transmission belt 114, and a mounting box 115. The mounting box 112 is mounted at the rear ends of the top of the top plate 1, and the mounting box 115 is mounted at the front ends of the top of the top of the top plate 1. The drive motor 111 is mounted at the bottom of the top plate 1, and its output end is connected to the internal gear of the mounting box 112. The protective device 113 is mounted at the middle of both ends of the top plate 1. The transmission belt 114 is connected to the mounting box 112, the protective device 113, and the mounting box 115 respectively. A crossbar 116 is fixedly connected between the protective devices 113. A nozzle structure 12 is connected to the transmission belt 114 between the protective devices 113, and the nozzle structure 12 is slidably connected to the outside of the crossbar 116. A vertical bar 117 is mounted at both ends of the bottom of the top plate 1, and the protective device 113 is slidably connected to the outside of the vertical bar 117.

[0040] The upper rear end of the nozzle structure 12 is connected to a material output connection structure 118 via a pipeline. The material output connection structure 118 is installed at the bottom rear end of the top plate 1.

[0041] The nozzle structure 12 can move laterally and longitudinally. Compared with traditional transmission methods, this driving and transmission method has the advantages of simple structure and high transmission efficiency. The drive motor 111 can precisely control the speed and direction of the transmission belt 114, thereby driving the nozzle structure 12 to accurately reach the designated position, ensuring the accuracy and stability of printing. The protective device 113 protects the transmission belt 114, extends its service life, and provides stable support for longitudinal sliding. The crossbar 116 makes the nozzle structure 12 more stable during lateral sliding, reducing printing errors caused by shaking. The material output connection structure 118 allows the material to be transported from a stable position to the nozzle structure 12, ensuring the continuity and stability of material transport. This connection method allows the nozzle structure 12 to flexibly adjust its position during movement while maintaining a stable connection with the material transport system, ensuring the smooth progress of the printing process.

[0042] Further improvements include the lifting adjustment mechanism 4 comprising an end plate 41, a second support column 42, a second drive motor 43, a lead screw 44, an adjusting cylinder 45, a vertical rod 46, and a sliding cylinder 461. The second support column 42 is fixedly disposed at the bottom corner of the end plate 41 and fixedly disposed at the upper end of the base plate 3. The second drive motor 43 is installed at the lower end of the end plate 41. The lower end of the lead screw 44 is connected through to the output end of the second drive motor 43. The adjusting cylinder 45 is threadedly connected to the outer end of the lead screw 44.

[0043] Uprights 46 are installed between the top plate 1 and the bottom plate 3, and uprights 46 are located at both ends of the lead screw 44. Sliding cylinders 461 are slidably connected to the outside of uprights 46.

[0044] The second support column 42 is used to stabilize the upper end of the support plate 41 to the base plate 3. The second drive motor 43 is installed below the end plate 41 to drive the control screw 44 to rotate. The screw 44 is used to drive the adjusting cylinder 45 to adjust up and down. The sliding cylinder 461 is used to slide to the external auxiliary lifting adjustment of the upright 46. It can accurately control the height adjustment of the support plate 5, and the adjusted position can remain stable and will not easily change due to external forces. The setting of 46 and the sliding cylinder 461 plays a guiding role, so that the support plate 5 can maintain vertical movement during the lifting process, reducing the adjustment error caused by offset, and further improving the accuracy and stability of the lifting adjustment.

[0045] Further improvements include a base plate 51 below the support plate 5, a screw 52 connected to the bottom corner of the support plate 5 through the base plate 51, a pad 54 fixed at the lower end of the screw 52, ​​a support spring 53 on the outside of the screw 52, ​​the support spring 53 fixed between the support plate 5 and the base plate 51, and the base plate 51 fixed at the front end of the adjusting cylinder 45 and the sliding cylinder 461.

[0046] The support spring 53 provides a certain buffer when the support plate 5 supports the 3D printed model, which can reduce the damage to the device caused by the weight of the model or external impact. At the same time, the height and level of the support plate 5 can be adjusted by adjusting the screw 52 to ensure the stability of the support plate 5 during installation and use, providing a reliable platform for placing the 3D printed model.

[0047] Further improvements include a multi-angle grinding and impurity removal mechanism 6, which also includes a connecting plate 62, a fixed plate 64, a support shaft 65, a drive shaft 66, a drive motor 67, and a support frame 69. The connecting plate 62 is an arc-shaped plate structure with a limit groove 621 inside. Extension plates 63 are fixedly connected downwards at both ends of the connecting plate 62.

[0048] The support shaft 65 is fixed to the outer wall of the extension plate 63 at one end;

[0049] The drive shaft 66 is fixed to the outer wall of the extension plate 63 at the other end;

[0050] A limiting cylinder 68 is fixedly installed through the inside of the fixed plate 64. The support shaft 65 and the drive shaft 66 are rotatably connected to the inside of the limiting cylinder 68. The drive motor 67 is connected to the outer end of the drive shaft 66 and fixed to the outer side wall of the fixed plate 64. The support frame 69 is fixed to the lower end of the fixed plate 64 in the form of a curved tube.

[0051] This allows the connecting plate 62 to rotate around the support shaft 65 and the drive shaft 66, thereby enabling multi-angle grinding and impurity removal operations. The drive motor 67 can precisely control the rotation angle and speed of the connecting plate 62, adjusting it according to different model shapes and grinding requirements, thus improving the flexibility and precision of grinding and impurity removal. The support frame 69, which has a curved tubular structure, is fixedly supported to both ends of the bottom of the support plate 5, and also fixedly supports the fixing plate 64 and the limiting cylinder 68 upwards. The limiting cylinder 68 is used to movably support the support shaft 65 and the drive shaft 66. The drive motor 67 is used to drive and control the rotation of the drive shaft 66, thereby causing the connecting plate 62 and the extension plate 63 to flip and adjust their angles.

[0052] Further improved, the grinding and impurity removal structure 61 is slidably connected to the outside of the connecting plate 62;

[0053] The grinding and impurity removal structure 61 includes a moving roller 611, a connecting spring 612, and a limiting roller 613. The moving roller 611 is located on the outer wall of the connecting plate 62. A rotating shaft 6111 is fixedly installed inside the moving roller 611. The front and rear ends of the rotating shaft 6111 are rotatably connected to a shaft plate 6112. The rotating shaft 6111 is connected to a drive motor 6113 through the shaft plate 6112. The drive motor 6113 is fixedly installed at the front end of the shaft plate 6112.

[0054] A fixed shaft 6131 is fixedly installed through the inside of the limiting roller 613, and shaft plates 6132 are fixedly installed at the front and rear ends of the fixed shaft 6131.

[0055] The connecting spring 612 is fixedly distributed between the first shaft plate 6112 and the second shaft plate 6132.

[0056] A positioning plate 614 is fixedly provided downward at the middle of the limiting roller 613. A limiting ring 6141 is fixedly provided at the front and rear of the upper end of the positioning plate 614. The limiting ring 6141 is slidably connected to the inside of the limiting groove 621.

[0057] A drive motor 615 is fixedly installed at the lower rear end of the positioning plate 614. The output end of the drive motor 615 is connected to a drive shaft 6151. A bracket plate 616 is fixedly installed at the outer end of the drive shaft 6151. The bracket plate 616 has an L-shaped plate structure.

[0058] The connecting spring 612 is used to elastically stretch the first shaft plate 6112 and the second shaft plate 6132, thereby clamping the moving roller 611 and the limiting roller 613 to the inner and outer walls of the connecting plate 62. The third drive motor 6113 is used to drive and control the rotation of the rotating shaft rod 6111 and the moving roller 611 to achieve movement adjustment at the outer end of the connecting plate 62. The limiting ring 6141 is used to limit the positioning plate 614 to move and adjust in an arc-shaped trajectory inside the limiting groove 621. The fourth drive motor 615 and the first drive shaft rod 6151 are used to drive and control the rotation adjustment angle of the first support plate 616, which has an L-shaped plate structure, ensuring sliding stability and enabling the grinding process to proceed along the predetermined trajectory, thereby improving the quality and consistency of grinding.

[0059] Further improvements include an electric telescopic device 6161 at the upper end of the first support plate 616, a telescopic rod 6162 connected through the output end of the electric telescopic device 6161, a second support plate 617 with a Z-shaped plate structure fixed at the lower end of the telescopic rod 6162, and a limit rod 6163 fixedly distributed at the upper end of the second support plate 617, with the limit rod 6163 connected through the front end of the first support plate 616.

[0060] The electric telescopic device 6161 and the telescopic rod 6162 are used to telescopically adjust the position of the support plate 617. The limiting rod 6163 is used to assist the support plate 617 in more stable telescopic adjustment. The support plate 617, which has a Z-shaped plate structure, is used to support the drive motor 618 at the other end, so as to facilitate the adjustment of the distance between the grinding head 619 and the model surface and realize grinding operations of different depths.

[0061] Further improvements include a drive motor 618 and a limiting cylinder 6182 located at the upper and lower rear ends of the support plate 617. The lower end of the drive motor 618 passes through the limiting cylinder 6182 and is connected to the drive shaft 6181. A grinding head 619 is installed at the lower end of the drive shaft 6181.

[0062] The drive motor 618 can drive the grinding head 619 to rotate at high speed, and perform efficient grinding and impurity removal on the model surface. The setting of the limiting cylinder 6182 plays a limiting and stabilizing role for the drive shaft 6181, ensuring the stability of the grinding head 619 during rotation and improving the grinding quality and effect.

[0063] Specifically, the two sides of the shaft plate 6132 are fixedly provided with Z-shaped support rods 6101, and the inner end of the support rods 6101 is rotatably connected to an auxiliary wheel 610, which is in contact with and slidably connected to the inner wall of the connecting plate 62.

[0064] The auxiliary wheel 610 and the auxiliary limiting roller 613 are located on the inner wall of the connecting plate 62 to provide stable support for sliding and prevent swaying.

[0065] Working principle: The material is supplied to the nozzle structure 12 through the material output connection structure 118, and the horizontal and vertical adjustment mechanism 11 is activated to automatically control the horizontal and vertical adjustment position of the nozzle structure 12 to print the 3D model.

[0066] The drive motor 43 of the lifting and adjusting mechanism 4 is started to automatically control the lead screw 44 to rotate, which drives the adjusting cylinder 45 to lift and adjust, thereby adjusting the height of the support plate 5, and cooperating with the nozzle structure 12 to print 3D models with high precision.

[0067] After printing is completed, the drive motor 67 of the multi-angle grinding and impurity removal mechanism 6 is started to automatically control the drive shaft 66 to rotate, so that the extension plate 63 and the connecting plate 62 are flipped to adjust the angle of the grinding and impurity removal structure 61. At the same time, the drive motor 6113 of the grinding and impurity removal structure 61 is started to automatically control the rotating shaft rod 6111 and the moving roller 611 to rotate. After the connecting spring 612 elastically stretches the moving roller 611 and the limiting roller 613, it is clamped in the inner and outer wall of the connecting plate 62 and rolled to adjust the position. After the limiting ring 6141 and the positioning plate 614 limit it to the inside of the limiting groove 621 for stable adjustment, grinding and impurity removal in all directions.

[0068] The drive motor 615 is started to automatically control the drive shaft 6151 to rotate, which drives the bracket plate 616 to rotate and adjust the angle. At the same time, the electric telescopic device 6161 is started to automatically control the telescopic rod 6162 to extend and adjust the bracket plate 617 to adjust the length. Then, the drive motor 618 is started to automatically control the drive shaft 6181 to rotate at high speed, which drives the grinding head 619 to accurately grind and remove impurities from the outer surface of the 3D model. It can adapt to printed models of different shapes and angles, and perform all-round grinding and impurity removal on the model, improving the effect and quality of grinding and impurity removal.

[0069] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0070] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A 3D printing device for model design, comprising a top plate (1), a support column (2), a bottom plate (3), a lifting and adjusting mechanism (4), a support plate (5), and a multi-angle grinding and impurity removal mechanism (6), characterized in that: The support column (2) is installed at the outer edge between the top plate (1) and the bottom plate (3). The top plate (1) is provided with a horizontal and vertical adjustment mechanism (11), and a nozzle structure (12) is connected inside the horizontal and vertical adjustment mechanism (11). The lifting adjustment mechanism (4) is fixedly installed at the upper end of the base plate (3) near the rear, and the support plate (5) is connected to the front end of the lifting adjustment mechanism (4); The multi-angle grinding and impurity removal mechanism (6) is located above the support plate (5) and connected to the lower end of the support plate (5). The multi-angle grinding and impurity removal mechanism (6) includes a grinding and impurity removal structure (61), which is used to grind and remove impurities from the upper part of the 3D printed model design.

2. The model design 3D printing device according to claim 1, characterized in that: The longitudinal and lateral adjustment mechanism (11) includes a drive motor (111), a mounting box (112), a protective device (113), a transmission belt (114), and a mounting box (115). The mounting box (112) is installed at the rear two ends of the top of the top plate (1), and the mounting box (115) is installed at the front two ends of the top of the top of the top plate (1). The drive motor (111) is installed at the bottom of the top plate (1), and its output end is connected through to the internal gear of the mounting box (112). The protective device (113) is installed on both sides of the top plate (1). At the middle of the end, the transmission belt (114) passes through and connects the first mounting box (112), the protective device (113) and the second mounting box (115) respectively. A crossbar (116) is fixedly connected between the protective devices (113). The nozzle structure (12) is connected to the transmission belt (114) between the protective devices (113) and the nozzle structure (12) is slidably connected to the outside of the crossbar (116). Vertical rods (117) are installed at both ends of the bottom of the top plate (1). The protective device (113) is slidably connected to the outside of the vertical rod (117). The upper rear end of the nozzle structure (12) is connected to a material output connection structure (118) via a pipeline, and the material output connection structure (118) is installed at the bottom rear end of the top plate (1).

3. The model design 3D printing device according to claim 1, characterized in that: The lifting adjustment mechanism (4) includes an end plate (41), a second support column (42), a second drive motor (43), a lead screw (44), an adjusting cylinder (45), a vertical rod (46), and a sliding cylinder (461). The second support column (42) is fixed at the bottom corner of the end plate (41) and fixed at the upper end of the base plate (3). The second drive motor (43) is installed at the lower end of the end plate (41). The lower end of the lead screw (44) is connected through to the output end of the second drive motor (43). The adjusting cylinder (45) is connected to the outer end of the lead screw (44) by a thread. The uprights (46) are installed between the top plate (1) and the bottom plate (3), and the uprights (46) are located at both ends of the lead screw (44). The slide cylinder (461) is slidably connected to the outside of the uprights (46).

4. The model design 3D printing device according to claim 3, characterized in that: A base plate (51) is provided below the support plate (5). A screw (52) is connected to the bottom corner of the support plate (5) through the base plate (51). A pad (54) is fixedly provided at the lower end of the screw (52). A support spring (53) is provided on the outside of the screw (52). The support spring (53) is fixed between the support plate (5) and the base plate (51). The base plate (51) is fixed at the front end of the adjusting cylinder (45) and the sliding cylinder (461).

5. The model design 3D printing device according to claim 1, characterized in that: The multi-angle grinding and impurity removal mechanism (6) also includes a connecting plate (62), a fixing plate (64), a support shaft (65), a drive shaft (66), a drive motor (67), and a support frame (69). The connecting plate (62) is an arc-shaped plate structure with a limiting groove (621) inside. The two ends of the connecting plate (62) are fixedly connected to extension plates (63) downwards. The support shaft (65) is fixed to the outer wall of the extension plate (63) at one end; The drive shaft (66) is fixed to the outer wall of the extension plate (63) at the other end; The fixed plate (64) is fixedly provided with a limiting cylinder two (68) through it. The support shaft (65) and the drive shaft (66) are both rotatably connected to the inside of the limiting cylinder two (68). The drive motor six (67) is connected to the outer end of the drive shaft (66) and fixedly provided on the outer side wall of the fixed plate (64).

6. The model design 3D printing device according to claim 5, characterized in that: The grinding and impurity removal structure (61) is slidably connected to the outside of the connecting plate (62); The grinding and impurity removal structure (61) includes a moving roller (611), a connecting spring (612), and a limiting roller (613). The moving roller (611) is located on the outer wall of the connecting plate (62). A rotating shaft (6111) is fixedly installed inside the moving roller (6111). The front and rear ends of the rotating shaft (6111) are rotatably connected to a shaft plate (6112). The rotating shaft (6111) passes through the shaft plate (6112) and is connected to a drive motor (6113). The drive motor (6113) is fixedly installed at the front end of the shaft plate (6112). The limiting roller (613) has a fixed shaft (6131) fixedly installed inside, and the front and rear ends of the fixed shaft (6131) are fixed with shaft plate two (6132); The connecting spring (612) is fixedly distributed between the first shaft plate (6112) and the second shaft plate (6132); A positioning plate (614) is fixedly provided downward at the middle of the limiting roller (613), and a limiting ring (6141) is fixedly provided at the front and rear of the upper end of the positioning plate (614). The limiting ring (6141) is slidably connected to the inside of the limiting groove (621). A drive motor four (615) is fixedly provided at the rear of the lower end of the positioning plate (614). The output end of the drive motor four (615) is connected through a drive shaft rod one (6151). A bracket plate one (616) is fixedly provided at the outer end of the drive shaft rod one (6151). The bracket plate one (616) has an L-shaped plate structure.

7. A model design 3D printing device according to claim 6, characterized in that: The upper end of the first support plate (616) is provided with an electric telescopic device (6161), and the output end of the electric telescopic device (6161) is connected to a telescopic rod (6162). The lower end of the telescopic rod (6162) is fixedly provided with a second support plate (617) with a Z-shaped plate structure. The upper end of the second support plate (617) is fixedly distributed with a limiting rod (6163), and the limiting rod (6163) is connected to the front end of the first support plate (616).

8. The model design 3D printing device according to claim 7, characterized in that: The support plate 2 (617) has a drive motor 5 (618) and a limiting cylinder 1 (6182) located at the upper and lower rear ends. The lower end of the drive motor 5 (618) passes through the limiting cylinder 1 (6182) and is connected to the drive shaft 2 (6181). The lower end of the drive shaft 2 (6181) is equipped with a grinding head (619).

9. A model design 3D printing device according to claim 6, characterized in that: Both sides of the shaft plate (6132) are fixed with Z-shaped support rods (6101). The inner end of the support rod (6101) is rotatably connected to an auxiliary wheel (610), which is slidably connected to the inner wall of the connecting plate (62).

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