3D printing teaching training equipment
By integrating teaching and training equipment with multiple 3D printing processes, the problems of high procurement costs for multiple devices and insufficient hands-on skills of students have been solved. The equipment's internal processes have been visualized and in-depth practical operations have been achieved, thereby improving teaching efficiency and students' skills.
Patent Information
- Application Number
- CN202511473582.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-15
- Publication Date
- 2026-01-20
AI Technical Summary
Existing 3D printing teaching equipment is usually based on a single process, requiring multiple machines to meet teaching needs. This is costly and does not help students intuitively understand the working principle of the equipment, resulting in insufficient development of students' hands-on skills.
Design a teaching and training device that integrates multiple 3D printing processes. Employ a quick-change mechanism to switch between various printing processes. The transparent design makes the internal processes of the device visible. It also includes horizontal, vertical, and lateral adjustment mechanisms to facilitate student participation in device assembly and replacement of core components.
It reduces the cost of purchasing teaching equipment, saves space, allows students to observe the printing process directly, participate in in-depth practical operations, and improve their hands-on skills and mastery of 3D printing technology.
Smart Images
Figure CN121361204A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of teaching and training equipment, in particular to a 3D printing teaching and training equipment. BACKGROUND
[0002] With the rapid development of 3D printing technology, its application in the fields of industrial design, intelligent manufacturing, medical model, etc. is increasingly widespread, and major colleges and universities and vocational colleges have successively opened 3D printing related courses to meet the market demand for professional talents.
[0003] At present, the 3D printing equipment used in the teaching field is mostly single-process commercial models, such as FDM (Fused Deposition Modeling), SLA (Stereo Lithography Apparatus), DLP (Digital Light Processing), etc. A device can usually demonstrate only one printing process, and schools need to purchase multiple different devices to meet the requirements of the teaching syllabus, which is costly and occupies a large space. Moreover, commercial devices are mostly closed or semi-closed structures, and the core processes such as internal mechanical transmission, nozzle movement, and feeding are not visible, which is not conducive to students' intuitive understanding of the working principle. At the same time, students are usually limited to model design, slicing, and starting printing, and cannot participate in the assembly, debugging, and core component replacement of the device, so the hands-on ability is not developed enough.
[0004] Therefore, there is an urgent need for a comprehensive 3D printing training platform that integrates multiple functions, is transparently designed, and is convenient for teaching demonstration and student hands-on operation. SUMMARY
[0005] In order to solve the above technical problems, the present application provides a 3D printing teaching and training equipment to solve the problems that the printing module cannot be replaced in the prior art, multiple printing devices are needed, and students cannot directly observe and learn, and students have poor hands-on and participation.
[0006] A 3D printing teaching and training equipment, comprising a mounting mechanism, a bottom plate, a horizontal adjustment mechanism for overall horizontal adjustment of the device, a protection mechanism for high-temperature protection and ultraviolet protection, a vertical adjustment mechanism for longitudinal movement, a horizontal adjustment mechanism for transverse movement, a longitudinal adjustment mechanism for vertical movement, a quick-change mechanism for quickly changing the function mechanism, and a function mechanism for 3D printing; the bottom plate is provided with a horizontal adjustment mechanism at each of the four corners on the top, the top of the horizontal adjustment mechanism is provided with a mounting mechanism, the mounting mechanism is covered with a protection mechanism on the outside, and the mounting mechanism is respectively provided with a vertical adjustment mechanism, a horizontal adjustment mechanism and a longitudinal adjustment mechanism; the longitudinal adjustment mechanism is connected with the quick-change mechanism, and the function mechanism is detachably connected to the side away from the longitudinal adjustment mechanism of the quick-change mechanism.
[0007] Preferably, the mounting mechanism comprises vertical mounting frames, a bottom mounting frame, a top mounting frame, a material placing plate and a receiving plate; the bottom mounting frame is fixed on the top of the horizontal adjusting mechanism, vertical mounting frames are symmetrically fixed on the top of the bottom mounting frame on both sides, and a top mounting frame is fixed between the top of the two vertical mounting frames; the outer wall of the vertical mounting frame is fixed with a material placing plate, and a receiving plate is arranged above the bottom mounting frame, which is used for receiving the printed finished product.
[0008] Preferably, the horizontal adjusting mechanism comprises an adjusting base, an adjusting rod, an adjusting nut and a rotating block; the top end of the adjusting rod is rotatably connected with the bottom of the rotating block, the top of the rotating block is rotatably connected with the bottom of the bottom mounting frame, the adjusting nut is sleeved on the outer side of the adjusting rod, and the adjusting nut is fixedly connected with the adjusting rod; the bottom of the adjusting rod is provided with an adjusting base, the adjusting rod is threadedly connected with the adjusting base, the bottom of the adjusting base is fixedly connected with the bottom plate, and rotating the adjusting nut can drive the adjusting rod to move up and down in the adjusting base to adjust the levelness of the equipment.
[0009] Preferably, the protection mechanism comprises a first protection plate, a second protection plate, a front protection plate, an ultraviolet-proof film, a clamping plate, a clamping groove, a bottom mounting plate and a mounting groove; the bottom mounting plate is fixed on the top edge of the bottom plate, and a mounting groove is formed in the top of the bottom mounting plate; the bottom of the first protection plate, the second protection plate and the front protection plate are clamped in the mounting groove, the first protection plate and the second protection plate are respectively located on both sides of the mounting mechanism, and the front protection plate is located in front of the mounting mechanism; the clamping plate is fixed on one side of the front protection plate, and the first protection plate and the second protection plate are both provided with a clamping groove matched with the clamping plate on the side close to the front protection plate; the first protection plate, the second protection plate and the front protection plate are all made of transparent material, and an ultraviolet-proof film is embedded in each of them.
[0010] Preferably, the vertical adjusting mechanism comprises a first servo motor, a first mounting seat, a first threaded rod and a first sliding rod; two first mounting seats are arranged and fixed on the bottom mounting frame; a first sliding rod is fixedly connected between the two first mounting seats, and the first sliding rod is arranged in parallel with the first threaded rod; the top of the top mounting frame is fixed with a first servo motor, the output end of the first servo motor is fixedly connected with the top end of the first threaded rod, and the other end of the first threaded rod is rotatably connected with the bottom mounting frame.
[0011] Preferably, the lateral adjusting mechanism comprises a second servo motor, a second mounting base, a second threaded rod and a second sliding rod; the second mounting base is provided with two, which are fixed on the two vertical mounting frames respectively; the second sliding rod is fixedly connected between the two second mounting bases, and the second sliding rod is arranged in parallel with the second threaded rod; the second servo motor is fixed outside the one side vertical mounting frame, and the output end of the second servo motor is fixedly connected with one end of the second threaded rod, and the other end of the second threaded rod is rotationally connected with the side wall of the other vertical mounting frame, and the lateral adjusting mechanism is arranged perpendicularly to the vertical adjusting mechanism.
[0012] Preferably, the longitudinal adjusting mechanism comprises an L-shaped plate, a back plate, a third servo motor, a third mounting base, a third threaded rod and a third sliding rod; the L-shaped plate is provided with two, and the back plate is located between the two L-shaped plates, and the third mounting base is fixed on the upper and lower ends of one side of the back plate; the third sliding rod is fixedly connected between the two third mounting bases, and the third sliding rod is arranged in parallel with the third threaded rod; the third servo motor is fixed on the top of the L-shaped plate, and the output end of the third servo motor is fixedly connected with the top end of the third threaded rod.
[0013] Preferably, the quick-change mechanism comprises a quick-change plate, a matching groove, a quick-change interface, a positioning hole and a bolt; the quick-change plate is provided with a matching groove on one side, and the quick-change plate is provided with a quick-change interface on the top; a plurality of positioning holes are uniformly formed in the edge of the quick-change plate, and a bolt is arranged in the positioning hole.
[0014] Preferably, the quick-change plate is fixed with a sliding sleeve and a threaded sleeve on the other side, the sliding sleeve is slidably connected with the third sliding rod in the longitudinal adjusting mechanism, and the threaded sleeve is threadedly connected with the third threaded rod; the sliding sleeve and the threaded sleeve are also arranged on the side of the back plate close to the lateral adjusting mechanism and the side of the receiving plate close to the bottom mounting frame, the threaded sleeve on the side of the back plate is threadedly connected with the second threaded rod, the sliding sleeve on the side of the back plate is slidably connected with the second sliding rod, the threaded sleeve at the bottom of the receiving plate is threadedly connected with the first threaded rod, and the sliding sleeve at the bottom of the receiving plate is slidably connected with the first sliding rod.
[0015] Preferably, the function mechanism comprises a connecting plate, a side plate, a matching block, a mounting frame, a mounting rod, a mounting sleeve and a printing module; the side plate is fixed on one side of the connecting plate, the side plate is provided with a matching block corresponding to the matching groove in the quick-change mechanism on the side edge, a through hole corresponding to the positioning hole is formed in the edge of the side plate, and the quick-change plate and the side plate are fixed by the bolt penetrating through the positioning hole and the through hole; the mounting frame is fixed on the other side of the connecting plate, the mounting rod is fixed in the mounting frame, the mounting sleeve is sleeved outside the mounting rod, and the printing module is detachably mounted on the mounting sleeve; the printing module can be any one or a combination of more than one of FDM printing module, SLA printing module or DLP printing module.
[0016] Compared with the prior art, the present application has the following beneficial effects: 1、The present application can realize the switching of various 3D printing processes such as FDM, SLA, DLP, etc. through the detachable connection design of the quick-change mechanism and the functional mechanism, so that schools do not need to purchase multiple commercial devices of different processes, greatly reducing the teaching equipment procurement cost. At the same time, one device integrates multiple functions, which significantly saves the teaching space compared with multiple devices placed separately, and is more suitable for use in college teaching scenarios.
[0017] 2、The present application adopts transparent material for the protection mechanism and embeds an ultraviolet-proof film, which not only ensures the safety of students (avoids ultraviolet damage), but also makes the core printing process such as mechanical transmission inside the device (e.g. movement of vertical adjustment mechanism, horizontal adjustment mechanism, and longitudinal adjustment mechanism), nozzle movement, and feeding fully visualized. Students can clearly observe the complete workflow of 3D printing, which helps to intuitively understand the working principle of the 3D printing device and solves the teaching pain point of the invisible core process of traditional commercial closed or semi-closed devices.
[0018] 3、The device structure design of the present application is convenient for students to participate in deep practice operation, not only can conduct regular model design, slicing and start printing operation, but also can participate in device assembly (such as installation and disassembly of protection mechanism, connection of functional mechanism and quick-change mechanism), debugging (such as horizontal calibration of horizontal adjustment mechanism) and core component replacement (such as replacement of different printing modules) and other links. Through multi-dimensional practical operation training, the problem of insufficient cultivation of students' practical ability in traditional teaching is effectively solved, which helps students to master 3D printing technology related skills comprehensively and meets the teaching goal of cultivating professional 3D printing talents in colleges and universities.
[0019] 4、The device bottom is provided with a horizontal adjustment mechanism, which can adjust the levelness of the device according to the ground condition of the site, ensure the stability of the device during printing, reduce the printing error caused by the inclination of the device, and improve the printing quality. At the same time, the design of the quick-change mechanism makes the printing module replacement operation simple and fast, without complex disassembly and assembly steps, which reduces the operation difficulty, facilitates teachers to quickly switch different printing processes for demonstration in the teaching process, and also facilitates students to operate independently for practice, improving the teaching efficiency. DETAILED DESCRIPTION
[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0021] Figure 2 It is an installation schematic diagram of each mechanism of the present application;
[0022] Figure 3 It is a structure exploded view of the protective cover in the present application;
[0023] Figure 4The exploded view of the functional mechanism and the quick change mechanism in the application;
[0024] Figure 5 The structural view of the functional mechanism and the quick change mechanism in the application;
[0025] Figure 6 The enlarged view of A in the application Figure 2
[0026] In the figure: 1, mounting mechanism; 101, vertical mounting frame; 102, bottom mounting frame; 103, top mounting frame; 104, material placing plate; 105, receiving plate; 2, bottom plate; 3, horizontal adjusting mechanism; 301, adjusting base; 302, adjusting rod; 303, adjusting nut; 304, rotating block; 4, protection mechanism; 401, first protection plate; 402, second protection plate; 403, front protection plate; 404, ultraviolet-proof film; 405, clamping plate; 406, clamping groove; 407, bottom mounting plate; 408, mounting groove; 5, vertical adjusting mechanism; 501, first servo motor; 502, first mounting seat; 503, first threaded rod; 504, first sliding rod; 6, horizontal adjusting mechanism; 601, second servo motor; 602, second mounting seat; 603, second threaded rod; 604, second sliding rod; 7, longitudinal adjusting mechanism; 701, L-shaped plate; 702, back plate; 703, third servo motor; 704, third mounting seat; 705, third threaded rod; 706, third sliding rod; 8, quick change mechanism; 801, quick change plate; 802, matching groove; 803, quick change interface; 804, sliding sleeve; 805, threaded sleeve; 806, positioning hole; 807, bolt; 9, functional mechanism; 901, connecting plate; 902, side plate; 903, matching block; 904, mounting frame; 905, mounting rod; 906, mounting sleeve; 907, printing module. DETAILED DESCRIPTION
[0027] The embodiments of the application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the application, but cannot be used to limit the scope of the application.
[0028] As shown in the accompanying Figure 1 to the accompanying Figure 6 : Embodiment one: the application provides a kind of 3D printing teaching practical training equipment, including installation mechanism 1, bottom plate 2, for the whole level adjustment of device horizontal adjustment mechanism 3, for high temperature protection and ultraviolet protection protection mechanism 4, for longitudinal movement vertical adjustment mechanism 7, for lateral movement horizontal adjustment mechanism 6, for vertical movement longitudinal adjustment mechanism 5, for quick change function mechanism 9 quick change mechanism 8 and for 3D printing function mechanism 9;Bottom plate 2 top four corners are provided with installation horizontal adjustment mechanism 3, and the top of horizontal adjustment mechanism 3 is provided with installation mechanism 1, and the outer side of installation mechanism 1 is covered with protection mechanism 4, and vertical adjustment mechanism 7, horizontal adjustment mechanism 6 and longitudinal adjustment mechanism 5 are respectively installed on installation mechanism 1;Longitudinal adjustment mechanism 5 is connected with quick change mechanism 8, and function mechanism 9 is detachably connected to the side of quick change mechanism 8 away from longitudinal adjustment mechanism 5, and bottom plate 2 is used as equipment foundation support, selects the Q235 cold-rolled steel plate with thickness of 10-12mm, and the surface is treated by electrostatic spraying, with good load capacity and corrosion resistance, to ensure that it is not easy to deform for long-term placement.
[0029] Further, installation mechanism 1 includes vertical mounting frame 101, bottom mounting frame 102, top mounting frame 103, material placing plate 104 and receiving plate 105;Bottom mounting frame 102 is fixed on the top of horizontal adjustment mechanism 3, and bottom mounting frame 102 is fixed on the top of horizontal adjustment mechanism 3, and two vertical mounting frames 101 are fixed on the top of bottom mounting frame 102, and top mounting frame 103 is fixed between the top of two vertical mounting frames 101;Vertical mounting frame 101 is fixed with material placing plate 104 on the outer wall, and receiving plate 105 is arranged above bottom mounting frame 102, and receiving plate 105 is used for receiving printed products, and vertical mounting frame 101, bottom mounting frame 102 and top mounting frame 103 are made of 6061 aluminum alloy profile, which is light in weight, high in strength and low in processing difficulty, so that students can easily participate in assembly, and the surface of aluminum alloy can resist slight collision and wear during practical training after anodic oxidation treatment.
[0030] Vertical mounting frame 101, bottom mounting frame 102 and top mounting frame 103 of installation mechanism 1 are connected by bolt 807 to constitute the main frame of the equipment, and students can participate in the assembly process of the frame to understand the stability design principle of mechanical structure (such as the application of triangular stable structure in the connection between top mounting frame 103 and vertical mounting frame 101), material placing plate 104 is fixed on the outer wall of vertical mounting frame 101, which is used for placing printing consumables (such as PLA wire of FDM, photosensitive resin of SLA), tools (such as wrench, level) and printed products, so as to facilitate students to take and arrange during practical training and cultivate good operation habit; The receiving plate 105 is used as a printing platform, and a high-temperature silica gel pad (adapted to FDM printing) or a resin tray (adapted to SLA / DLP printing) is laid on the surface of the receiving plate 105. The receiving plate 105 can be replaced according to the printing process. The receiving plate 105 is connected with the longitudinal adjusting mechanism 5, and can be adjusted left and right to meet the requirements of different printing positions. Meanwhile, the surface of the receiving plate 105 is precisely polished (flatness error <0.1 mm), so as to ensure the flatness of the bottom of the printed model and improve the printing quality, and provide clear finished product effect for teaching demonstration.
[0031] Further, the horizontal adjusting mechanism 3 comprises an adjusting base 301, an adjusting rod 302, an adjusting nut 303 and a rotating block 304. The top end of the adjusting rod 302 is rotatably connected with the bottom of the rotating block 304, the top and bottom of the rotating block 304 is rotatably connected with the bottom of the bottom mounting frame 102, the adjusting nut 303 is sleeved outside the adjusting rod 302, and the adjusting nut 303 is fixedly connected with the adjusting rod 302. The bottom of the adjusting rod 302 is provided with the adjusting base 301, the adjusting rod 302 is threadedly connected with the adjusting base 301, the bottom of the adjusting base 301 is fixedly connected with the bottom plate 2, and the adjusting nut 303 can drive the adjusting rod 302 to move up and down in the adjusting base 301 to adjust the levelness of the equipment. The adjusting rod 302 and the adjusting base 301 are made of 45# steel, and the outer surface of the adjusting rod 302 is processed with precise threads to ensure the accuracy and stability during horizontal adjustment. The adjusting nut 303 is made of brass, which has good self-lubricating property, can reduce the wear of threads during adjustment, and prolong the service life. The rotating block 304 is made of wear-resistant nylon, which can avoid metal friction noise when contacting with the bottom mounting frame 102, reduce the difficulty of adjustment operation, and is suitable for repeated practical operation practice of students.
[0032] As can be seen from the above, the adjusting base 301 is fixed with the bottom plate 2, the adjusting rod 302 is connected with the adjusting base 301 through threads, and the adjusting nut 303 is fixedly connected with the adjusting rod 302 as a whole. When the levelness of the equipment needs to be adjusted, the student can use a wrench to rotate the adjusting nut 303 to drive the adjusting rod 302 to move up and down along the internal threads of the adjusting base 301. Since the top end of the adjusting rod 302 is rotatably connected with the bottom mounting frame 102 through the rotating block 304, the adjusting rod 302 will push or pull the corresponding corner of the bottom mounting frame 102 when moving up and down, so as to adjust the levelness of the mounting mechanism 1. In actual operation, the level state can be observed by cooperating with a level (placed on the surface of the receiving plate 105), and the level bubble can be centered by adjusting the adjusting nuts 303 of the four corners, so that the student can complete the adjustment independently. The whole adjustment process does not require professional tools, and the student can understand the mechanical adjustment principle and cultivate the practical operation ability.
[0033] The second embodiment is basically the same as the previous embodiment, except that the protection mechanism 4 includes a first protection plate 401, a second protection plate 402, a front protection plate 403, an ultraviolet-proof film, a clamping plate 405, a clamping groove 406, a bottom mounting plate 407, and a mounting groove 408; the bottom mounting plate 407 is fixed to the top edge of the bottom plate 2, and the mounting groove 408 is formed in the top of the bottom mounting plate 407; the first protection plate 401, the second protection plate 402, and the front protection plate 403 are clamped in the mounting groove 408, the first protection plate 401 and the second protection plate 402 are respectively located on both sides of the mounting mechanism 1, and the front protection plate 403 is located in front of the mounting mechanism 1; the clamping plate 405 is fixed to one side of the front protection plate 403, and the clamping groove 406 matched with the clamping plate 405 is formed in the side of the first protection plate 401 and the second protection plate 402 close to the front protection plate 403; the first protection plate 401, the second protection plate 402, and the front protection plate 403 are made of transparent material and embedded with an ultraviolet-proof film, the first protection plate 401, the second protection plate 402, and the front protection plate 403 are made of 5mm-thick high-transparency acrylic plates, the light transmittance is more than 92%, and the internal transmission and printing process of the equipment can be clearly presented; the 0.2mm-thick PET ultraviolet-proof film is embedded in the acrylic plate, which can block more than 99% of ultraviolet rays generated by the SLA printing module 907 during work, and avoid damage to students' skin and eyes caused by ultraviolet rays; the 3mm-thick aluminum alloy plate is selected for the bottom mounting plate 407, which is fixed to the bottom plate 2 by bolts 807 to ensure that the protection plate is stable after installation and does not shake.
[0034] As can be seen from the above, the protection mechanism 4 is designed in a modular assembly, the bottom mounting plate 407 is fixed to the edge of the bottom plate 2, and the mounting groove 408 on the top thereof provides positioning support for the protection plate; during installation, the first protection plate 401 and the second protection plate 402 are clamped into both sides of the mounting groove 408, and then the clamping plate 405 of the front protection plate 403 is inserted into the clamping groove 406 of the first and second protection plates 402 in alignment, thereby completing the overall assembly; the reverse operation can be performed during disassembly, and the entire process only takes 1-2 minutes, which is convenient for students to observe and operate the internal structure of the equipment.
[0035] On the one hand, the transparent acrylic plate ensures that the longitudinal, transverse and longitudinal adjustment mechanisms 5 inside the device move, and the feeding, nozzle moving, printing forming and other processes of the printing module 907 are completely visualized, so that students can clearly observe the complete transmission chain of "motor driving - threaded rod rotation - sliding sleeve 804 sliding - printing module 907 displacement" and intuitively understand the mechanical working principle of the 3D printing device; on the other hand, the embedded ultraviolet-proof film isolates the ultraviolet light generated during the operation of the SLA printing module 907, preventing students from being harmed by ultraviolet radiation when observing closely, and the acrylic plate itself has certain high-temperature resistance (can withstand temperatures below 80°C) and can block the high-temperature conduction of the FDM printing module 907 nozzle to prevent students from being accidentally touched and burned.
[0036] In this embodiment, the vertical adjustment mechanism 7 includes a first servo motor 501, a first mounting seat 502, a first threaded rod 503 and a first sliding rod 504; the first mounting seat 502 is provided with two, and is fixed on the bottom mounting frame 102; the first sliding rod 504 is fixedly connected between the two first mounting seats 502, and the first sliding rod 504 is arranged in parallel with the first threaded rod 503; the first servo motor 501 is fixed on the top of the top mounting frame 103, the output end of the first servo motor 501 is fixedly connected with the top end of the first threaded rod 503, and the other end of the first threaded rod 503 is rotatably connected with the bottom mounting frame 102. The transverse adjustment mechanism 6 includes a second servo motor 601, a second mounting seat 602, a second threaded rod 603 and a second sliding rod 604; the second mounting seat 602 is provided with two, and is fixed on the two vertical mounting frames 101 respectively; the second sliding rod 604 is fixedly connected between the two second mounting seats 602, and the second sliding rod 604 is arranged in parallel with the second threaded rod 603; the second servo motor 601 is fixed on the outside of one side vertical mounting frame 101, the output end of the second servo motor 601 is fixedly connected with one end of the second threaded rod 603, and the other end of the second threaded rod 603 is rotatably connected with the side wall of the other vertical mounting frame 101, and the transverse adjustment mechanism 6 is arranged perpendicularly to the vertical adjustment mechanism 7. The longitudinal adjustment mechanism 5 includes an L-shaped plate 701, a back plate 702, a third servo motor 703, a third mounting seat 704, a third threaded rod 705 and a third sliding rod 706; the L-shaped plate 701 is provided with two, and the back plate 702 is located between the two L-shaped plates 701; the third mounting seat 704 is fixed on the upper and lower ends of one side of the back plate 702; the third sliding rod 706 is fixedly connected between the two third mounting seats 704, and the third sliding rod 706 is arranged in parallel with the third threaded rod 705; the third servo motor 703 is fixed on the top of the L-shaped plate 701, and the output end of the third servo motor 703 is fixedly connected with the top end of the third threaded rod 705.
[0037] The servo motors of the adjusting mechanism are all three-phase asynchronous servo motors with a rated power of 400 W, which have the characteristics of stable speed and fast response speed, can accurately control the movement track of the printing module 907, and meet the demonstration needs of printing accuracy in teaching; the threaded rod is made of 40Cr alloy steel, is subjected to quenching and tempering treatment, and is plated with hard chromium on the surface, so that the wear resistance and bending resistance are effectively improved, and the threaded rod and the rod body are prevented from being worn or deformed after long-term use; the slide rod is a linear optical shaft with a diameter of 20 mm and a surface roughness Ra≤0.8 μm, and cooperates with the sliding sleeve 804 made of engineering plastic, so that the sliding resistance is small (friction coefficient <0.05) and the adjusting process is smooth and free of jamming.
[0038] As can be known from the above, the longitudinal adjusting mechanism 5, the transverse adjusting mechanism 6 and the vertical adjusting mechanism 7 together constitute a three-dimensional movement system, realize the accurate movement of the printing module 907 in the X, Y and Z directions, and the working principle is based on the mechanical structure of “servo motor driving-threaded rod transmission-sliding sleeve 804 guiding”, and the three cooperate to ensure the movement accuracy. In the vertical adjusting mechanism 7, the first servo motor 501 is fixed to the top mounting frame 103, and the output end is connected with the first threaded rod 503, so that the first threaded rod 503 rotates synchronously with the output shaft of the motor when the motor is started; the threaded sleeve 805 at the bottom of the receiving plate 105 is engaged with the first threaded rod 503, and the threaded rod rotates to drive the threaded sleeve 805 to move forward and backward along the rod body, and the sliding sleeve 804 cooperates with the first slide rod 504 to guide the receiving plate 105, so that the receiving plate 105 (the printing platform) is prevented from deviating during movement, and finally the vertical (Y-axis) movement of the receiving plate 105 is realized, so as to meet the needs of printing models at different positions.
[0039] The second servo motor 601 of the transverse adjusting mechanism 6 is fixed to the outside of the vertical mounting frame 101, and the output end is connected with the second threaded rod 603; the threaded sleeve 805 on the side surface of the back plate 702 is engaged with the second threaded rod 603, and the sliding sleeve 804 cooperates with the second slide rod 604; after the motor is started, the second threaded rod 603 rotates to drive the back plate 702 to move in the transverse direction (X-axis), and since the longitudinal adjusting mechanism 5 is installed on the back plate 702, the transverse position adjustment of the printing module 907 is realized, and the transverse area of the printing platform can be covered.
[0040] The third servo motor 703 of the longitudinal adjusting mechanism 5 is fixed to the top of the L-shaped plate, and the output end is connected with the third threaded rod 705; the threaded sleeve 805 on the side surface of the quick-change plate 801 is engaged with the third threaded rod 705, and the sliding sleeve 804 cooperates with the third slide rod 706; when the motor is started, the third threaded rod 705 rotates to drive the quick-change plate 801 and the printing module 907 to move in the vertical direction (Z-axis), and finally the accurate positioning of the printing module 907 at any position in the three-dimensional space is realized in combination with the X-axis movement of the transverse adjusting mechanism 6 and the Y-axis movement of the vertical adjusting mechanism 7, so as to meet the printing needs of complex models.
[0041] In the teaching process, students can control the start-stop and speed of the servo motor, observe the motion state of the adjustment mechanism, understand the mechanical principle of "motor converts electrical energy into mechanical energy, screw rod converts rotary motion into linear motion", and master the motion control logic of 3D printing equipment by adjusting the cooperative work of different motors.
[0042] Further, the quick-change mechanism 8 includes a quick-change plate 801, a matching groove 802, a quick-change interface 803, a positioning hole 806, and a bolt 807. The quick-change plate 801 has the matching groove 802 on one side, and the quick-change interface 803 is arranged on the top of the quick-change plate 801. The quick-change plate 801 has a plurality of positioning holes 806 evenly arranged on the edge, and the bolt 807 is arranged in the positioning hole 806. The quick-change plate 801 has a sliding sleeve 804 and a threaded sleeve 805 fixed on the other side. The sliding sleeve 804 is in sliding connection with the third sliding rod 706 in the longitudinal adjusting mechanism 5, and the threaded sleeve 805 is in threaded connection with the third threaded rod 705. The sliding sleeve 804 and the threaded sleeve 805 are also arranged on the side of the back plate 702 close to the transverse adjusting mechanism 6 and the side of the receiving plate 105 close to the bottom mounting frame 102. The threaded sleeve 805 on the side of the back plate 702 is in threaded connection with the second threaded rod 603, and the sliding sleeve 804 on the side of the back plate 702 is in sliding connection with the second sliding rod 604. The threaded sleeve 805 at the bottom of the receiving plate 105 is in threaded connection with the first threaded rod 503, and the sliding sleeve 804 at the bottom of the receiving plate 105 is in sliding connection with the first sliding rod 504.
[0043] The quick-change plate 801 and the connecting plate 901 are made of 7075 aluminum alloy, which has a strength close to that of steel and is light in weight, facilitating students to disassemble and assemble. The matching block 903 and the matching groove 802 are made of ABS engineering plastic by injection molding, and the surface is polished to control the gap to 0.1-0.2mm, which ensures quick positioning and avoids jamming during assembly. Further, the functional mechanism 9 comprises a connecting plate 901, a side plate 902, a matching block 903, a mounting frame 904, a mounting rod 905, a mounting sleeve 906, and a printing module 907; one side of the connecting plate 901 is fixed with the side plate 902, the side plate 902 is provided with the matching block 903 corresponding to the matching groove 802 in the quick-change mechanism 8, the side plate 902 is provided with a through hole corresponding to the positioning hole 806, and the bolt 807 passes through the positioning hole 806 and the through hole to fix the quick-change plate 801 and the side plate 902; the other side of the connecting plate 901 is fixed with the mounting frame 904, the mounting frame 904 is fixedly provided with the mounting rod 905, the mounting rod 905 is provided outside with the mounting sleeve 906, and the mounting sleeve 906 is detachably provided with the printing module 907; the printing module 907 can be any one or a combination of multiple of FDM printing modules 907, SLA printing modules 907, or DLP printing modules 907; the mounting frame 904 is made of carbon fiber composite material, which is light in weight, resistant to high temperature (can withstand a temperature above 150 DEG C), suitable for the high-temperature environment of the nozzle of the FDM printing module 907, reduces the overall weight of the module, and reduces the load pressure of the adjusting mechanism.
[0044] As can be seen from the above, the matching groove 802 on one side of the quick-change plate 801 and the matching block 903 of the side plate 902 of the functional mechanism 9 are a "convex-concave" matching structure; during assembly, the matching block 903 is first inserted into the matching groove 802 to achieve quick positioning, then the bolt 807 passes through the positioning hole 806 of the quick-change plate 801 and the through hole of the side plate 902, and the bolt 807 is tightened to complete the fixing; during disassembly, only the bolt 807 needs to be unscrewed, and the functional mechanism 9 can be pulled out along the direction of the matching groove 802, and the whole process does not require professional tools, and students can complete the replacement of different printing modules 907 within 5 minutes; The quick-change interface 803 at the top of the quick-change plate 801 is standardized design, and is provided with a built-in power interface and a data interface; when the functional mechanism 9 is installed in place, the interface will be automatically connected, providing power and control signal transmission for the printing module 907, without the need for additional wiring, avoiding equipment failure caused by wiring errors by students; in the mounting frame 904 of the functional mechanism 9, the mounting rod 905 cooperates with the mounting sleeve 906 to adjust the installation position according to the size of the printing module 907, adapt to different specifications of FDM nozzles, SLA resin tanks, DLP projection components, etc., and further improve the compatibility of the equipment; In a teaching scene, the teacher can first demonstrate the installation and use of the FDM printing module 907 and explain the principle of fused deposition modeling; then guide students to replace the SLA printing module 907 independently, and compare the differences between light solidification molding and fused deposition molding; finally, through the demonstration of the DLP printing module 907, students can understand the working characteristics of digital light processing technology, and through multi-process switching operation, students can intuitively feel the core differences of different 3D printing technologies, deepen their understanding of the technical principles, and cultivate their practical operation ability of equipment maintenance and component replacement.
[0045] Working principle: first, adjust the levelness of the equipment through the horizontal adjusting mechanism 3, rotate the adjusting nut 303, because the adjusting nut 303 is screwed with the adjusting rod 302, and the rotating block 304 is connected with the adjusting nut 303, when the adjusting nut 303 rotates, it will drive the adjusting base 301 to move up and down, until the equipment is in a horizontal state, ensure the stability of the subsequent printing process, according to the teaching needs, select the corresponding printing module 907, such as FDM printing module 907, SLA printing module 907 or DLP printing module 907, align the matching block 903 in the function mechanism 9 with the matching slot 802 of the quick change mechanism 8, insert it, make the through hole on the connecting plate 901 align with the positioning hole 806 of the quick change plate 801, then pass the bolt 807 through the positioning hole 806 and the through hole and tighten it, complete the fixed installation of the function mechanism 9 and the quick change mechanism 8, at the same time, the quick change interface 803 realizes the connection of the circuit and the gas circuit (if any) with the printing module 907, place the materials needed for printing (such as FDM consumable silk, SLA photosensitive resin, etc.) on the material placing plate 104, according to the printing requirements, pretreat the materials, then, through the cooperation of the clamping plate 405 and the clamping groove 406 of the protection mechanism 4, install the first protection plate 401, the second protection plate 402 and the front protection plate 403 in the installation groove 408 of the bottom installation plate 407, form a closed printing space, the anti-ultraviolet plate 404 can prevent the ultraviolet in SLA and other printing processes from causing harm to the human body, at the same time, the transparent protection plate is convenient for students to observe the internal printing process, start the equipment, realize the precise movement of the printing module 907 in the three-dimensional space through the cooperation of the longitudinal adjusting mechanism 5, the transverse adjusting mechanism 6 and the vertical adjusting mechanism 7, so as to complete the printing work of the model, after printing is completed, turn off the equipment, open the protection mechanism 4, take the printing finished product from the receiving plate 105, if it is necessary to replace the printing process, only need to unscrew the bolt 807, take the original function mechanism 9 from the quick change mechanism 8, replace the function mechanism 9 with the corresponding printing module 907.
[0046] The embodiments of the present application are given for example and description, although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as limiting the present application, the ordinary skilled in the art can make changes, modifications, replacements and modifications to the above-mentioned embodiments within the scope of the present application, which should be included in the protection scope of the present application.
Claims
1. A 3D printing teaching and training device, characterized in that: The utility model provides a kind of 3D printing equipment, including installation mechanism (1), bottom plate (2), for the horizontal adjustment mechanism (3) of the whole level adjustment of device, for the protection mechanism (4) of high temperature protection and ultraviolet protection, for the vertical adjustment mechanism (5) of longitudinal movement, for the horizontal adjustment mechanism (6) of lateral movement, for the longitudinal adjustment mechanism (7) of vertical movement, for the quick-change mechanism (8) of quick-change function mechanism (9) and for the function mechanism (9) of 3D printing;The bottom plate (2) top four corners are provided with horizontal adjustment mechanism (3) installed, the top of the horizontal adjustment mechanism (3) is provided with installation mechanism (1), the installation mechanism (1) outer side cover is equipped with protection mechanism (4), the installation mechanism (1) is respectively installed with vertical adjustment mechanism (5), horizontal adjustment mechanism (6) and longitudinal adjustment mechanism (7);The longitudinal adjustment mechanism (7) is connected with quick-change mechanism (8), and the function mechanism (9) is detachably connected to the side of quick-change mechanism (8) away from longitudinal adjustment mechanism (7).
2. The 3D printing teaching and training equipment according to claim 1, characterized in that: The installation mechanism (1) includes vertical mounting frame (101), bottom mounting frame (102), top mounting frame (103), material placing plate (104) and receiving plate (105);The bottom mounting frame (102) is fixed on the top of horizontal adjustment mechanism (3), the bottom mounting frame (102) top two sides are fixed with vertical mounting frame (101), and the top of the two vertical mounting frames (101) is fixed with top mounting frame (103);The vertical mounting frame (101) outer wall is fixed with material placing plate (104), and the receiving plate (105) is arranged above the bottom mounting frame (102), and the receiving plate (105) is used to receive printing finished products.
3. The 3D printing teaching and training equipment according to claim 1, characterized in that: The horizontal adjustment mechanism (3) includes adjustment base (301), adjustment rod (302), adjustment nut (303) and rotating block (304);The top end of the adjustment rod (302) is rotatably connected with the bottom of the rotating block (304), the top of the rotating block (304) is rotatably connected with the bottom of the bottom mounting frame (102), the adjustment nut (303) is sleeved on the outer side of the adjustment rod (302), and the adjustment nut (303) is fixedly connected with the adjustment rod (302);The bottom of the adjustment rod (302) is provided with adjustment base (301), the adjustment rod (302) is threadedly connected with the adjustment base (301), the bottom of the adjustment base (301) is fixedly connected with the bottom plate (2), and rotating adjustment nut (303) can drive adjustment rod (302) to move up and down in adjustment base (301) to adjust the levelness of equipment.
4. The 3D printing teaching and training equipment according to claim 1, characterized in that: The protection mechanism (4) comprises a first protection plate (401), a second protection plate (402), a front protection plate (403), an ultraviolet-proof film (404), a clamping plate (405), a clamping groove (406), a bottom mounting plate (407) and a mounting groove (408); the bottom mounting plate (407) is fixed at the top edge of the bottom plate (2), and the mounting groove (408) is formed in the top of the bottom mounting plate (407); the bottom of the first protection plate (401), the second protection plate (402) and the front protection plate (403) is clamped in the mounting groove (408), the first protection plate (401) and the second protection plate (402) are respectively located on the two sides of the mounting mechanism (1), and the front protection plate (403) is located in front of the mounting mechanism (1); the clamping plate (405) is fixed on one side of the front protection plate (403), and the clamping groove (406) matched with the clamping plate (405) is formed in the side of the first protection plate (401) and the second protection plate (402) close to the front protection plate (403); the first protection plate (401), the second protection plate (402) and the front protection plate (403) are made of transparent material, and the ultraviolet-proof film (404) is embedded in the inside.
5. The 3D printing teaching and training equipment according to claim 1, characterized in that: The vertical adjusting mechanism (5) comprises a first servo motor (501), a first mounting seat (502), a first threaded rod (503) and a first sliding rod (504); the first mounting seat (502) is provided with two, and is fixed on the bottom mounting frame (102); the first sliding rod (504) is fixedly connected between the two first mounting seats (502), and the first sliding rod (504) is arranged in parallel with the first threaded rod (503); the first servo motor (501) is fixed on the top of the top mounting frame (103), and the output end of the first servo motor (501) is fixedly connected with the top end of the first threaded rod (503); the other end of the first threaded rod (503) is rotatably connected with the bottom mounting frame (102).
6. The 3D printing teaching and training equipment according to claim 1, characterized in that: The horizontal adjusting mechanism (6) comprises a second servo motor (601), a second mounting seat (602), a second threaded rod (603) and a second sliding rod (604); the second mounting seat (602) is provided with two, and is fixed on the two vertical mounting frames (101); the second sliding rod (604) is fixedly connected between the two second mounting seats (602), and the second sliding rod (604) is arranged in parallel with the second threaded rod (603); the second servo motor (601) is fixed on the outside of the one side vertical mounting frame (101), and the output end of the second servo motor (601) is fixedly connected with one end of the second threaded rod (603); the other end of the second threaded rod (603) is rotatably connected with the side wall of the other vertical mounting frame (101), and the horizontal adjusting mechanism (6) is arranged perpendicularly to the vertical adjusting mechanism (5).
7. The 3D printing teaching and training equipment according to claim 1, characterized in that: The longitudinal adjusting mechanism (7) comprises L-shaped plates (701), a back plate (702), a third servo motor (703), third mounting seats (704), a third threaded rod (705) and a third sliding rod (706); the L-shaped plates (701) are provided in two, the back plate (702) is located between the two L-shaped plates (701), and the back plate (702) is fixed with the third mounting seats (704) at the upper and lower ends on one side; the third sliding rod (706) is fixedly connected between the two third mounting seats (704), and the third sliding rod (706) is arranged in parallel with the third threaded rod (705); the third servo motor (703) is fixed at the top of the L-shaped plate (701), and the output end of the third servo motor (703) is fixedly connected with the top end of the third threaded rod (705). 8.The 3D printing teaching and training equipment of claim 1, wherein: The quick change mechanism (8) comprises a quick change plate (801), a matching groove (802), a quick change interface (803), positioning holes (806) and bolts (807); the quick change plate (801) is provided with the matching groove (802) on one side, and the quick change plate (801) is provided with the quick change interface (803) at the top; a plurality of positioning holes (806) are uniformly formed in the edges of the quick change plate (801), and the bolts (807) are arranged in the positioning holes (806). 9.The 3D printing teaching and training equipment of claim 1, wherein: The quick change plate (801) is fixed with a sliding sleeve (804) and a threaded sleeve (805) on the other side, the sliding sleeve (804) is slidably connected with the third sliding rod (706) in the longitudinal adjusting mechanism (7), and the threaded sleeve (805) is threadedly connected with the third threaded rod (705); the sliding sleeve (804) and the threaded sleeve (805) are also arranged on the side of the back plate (702) close to the transverse adjusting mechanism (6) and the side of the receiving plate (105) close to the bottom mounting frame (102), the threaded sleeve (805) on the side of the back plate (702) is threadedly connected with the second threaded rod (603), the sliding sleeve (804) on the side of the back plate (702) is slidably connected with the second sliding rod (604), the threaded sleeve (805) at the bottom of the receiving plate (105) is threadedly connected with the first threaded rod (503), and the sliding sleeve (804) at the bottom of the receiving plate (105) is slidably connected with the first sliding rod (504). 10.The 3D printing teaching and training equipment of claim 1, wherein: The function mechanism (9) comprises a connecting plate (901), a side plate (902), a matching block (903), a mounting frame (904), a mounting rod (905), a mounting sleeve (906) and a printing module (907); one side of the connecting plate (901) is fixed with the side plate (902), the side plate (902) is provided with the matching block (903) corresponding to the matching groove (802) in the quick change mechanism (8) at the side edge, a through hole corresponding to the positioning hole (806) is formed in the edge of the side plate (902), and the quick change plate (801) and the side plate (902) are fixed by penetrating the positioning hole (806) and the through hole by the bolt (807); the other side of the connecting plate (901) is fixed with the mounting frame (904), the mounting rod (905) is fixed in the mounting frame (904), the mounting sleeve (906) is sleeved outside the mounting rod (905), and the printing module (907) is detachably mounted on the mounting sleeve (906); the printing module (907) can be any one or a combination of more of an FDM printing module, an SLA printing module or a DLP printing module.