Glass ceramic material one-step temperature control 3D printing equipment and printing method

Abstract

The invention belongs to the technical field of 3D printing, and particularly relates to glass ceramic material one-step temperature control 3D printing equipment and a printing method.The glass ceramic material one-step temperature control 3D printing equipment comprises a bottom plate and an upper cover body, the upper cover body is fixedly connected to the top of the bottom plate and is hollow, the front portion of the upper cover body is open, and a controller is arranged on the upper side of the front wall of the upper cover body; a printing material winding disc and a discharging guide mechanism are arranged at the top of the upper cover body, and the discharging guide mechanism is used for enabling the printing material winding disc to penetrate into the upper cover body. According to the integrated miniaturized design, feeding, melting and printing are integrated into a one-step technology, automatic production from raw materials to products is achieved, and efficiency and stability are remarkably improved. The hot end printing head is made of platinum-rhodium alloy, the temperature control precision reaches + / -0.1 DEG C through real-time signal feedback, and the strict requirement for forming of complex geometric structures made of different materials is met.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printing, and in particular to a one-step temperature-controlled 3D printing device and a printing method for glass ceramic materials. Background Art

[0002] With the rapid development of aerospace, electronic devices, medical devices and energy technology, the demand for glass / ceramic materials with complex geometric structures and excellent performance is growing. Traditional glass / ceramic processing methods (such as compression molding, mechanical processing, etc.) are complex, energy-intensive, and difficult to meet the manufacturing needs of complex structures. Therefore, the development of efficient and precise glass / ceramic 3D printing technology has become an important research direction in the field of material processing.

[0003] At present, a variety of glass / ceramic 3D printing methods have been applied to the manufacture of glass-ceramic materials. For example, the fused deposition modeling (FDM) method melts the ceramic material through a heated nozzle and then extrude it into shape.

[0004] However, current 3D printing equipment is difficult to use for printing materials of different sizes, and the 3D printing equipment needs to be replaced. Current 3D printing equipment has inaccurate temperature control and poor melting effect on printing materials, which affects printing quality. Summary of the invention

[0005] The purpose of the present invention is to provide a one-step temperature-controlled 3D printing device and a printing method for glass-ceramic materials to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a one-step temperature-controlled 3D printing device for glass ceramic materials, comprising:

[0007] Base plate, upper cover;

[0008] The upper cover is fixedly connected to the top of the bottom plate, the upper cover is hollow and has an opening at the front, and a controller is arranged on the upper side of the front wall of the upper cover;

[0009] The top of the upper cover body is provided with a printing material winding disc and a material discharging guide mechanism, and the material discharging guide mechanism is used to pass the printing material winding disc into the interior of the upper cover body;

[0010] X-axis servo slides are arranged on the left and right sides of the upper surface of the bottom plate, and columns are longitudinally installed on the slide saddles of the two X-axis servo slides, and a Y-axis servo slide is connected to the upper side between the two columns, and a Z-axis servo slide is longitudinally installed on the slide saddle of the Y-axis servo slide, and two clamping plates are arranged on the front side of the slide saddle of the Z-axis servo slide, and two limit movable plates are arranged between the two clamping plates, a support shaft is installed at the rear end of one of the limit movable plates, and a support shaft is installed at the front end of the other limit movable plate, and the two support shafts are respectively connected to the two clamping plates through torsion springs;

[0011] A control wire passes through the two clamps, and the bottom end of the control wire is located at the lower side of the clamp and is connected to a hot end print head.

[0012] Preferably, the material discharge guide mechanism includes brackets arranged side by side, two rotating shafts are installed on the upper sides of the two brackets, guide rollers are sleeved on the outer walls of the two rotating shafts, a printing material channel is formed between the two guide rollers, and a guide tube connected to the inner cavity of the upper cover body is provided on the upper surface of the upper cover body, and the guide tube corresponds to the position of the printing material channel, a driving motor is provided on one of the brackets, and the output shaft of the driving motor is connected to the end of one of the rotating shafts, and the signal output end of the controller is connected to the driving motor.

[0013] Preferably, an angle sensor is provided on one of the brackets, the shaft of the angle sensor is connected to the end of the other rotating shaft, and the signal output end of the angle sensor is connected to the controller.

[0014] Preferably, a 3D printing substrate is provided on the upper surface of the bottom plate, and the 3D printing substrate is made of ceramic or glass material with a flat surface, and the surface flatness error does not exceed ±0.1 mm.

[0015] Preferably, a mounting frame is provided on the slide saddle of the Z-axis servo slide, and wire tubes are provided on the left and right sides of the upper surface of the mounting frame, and the control wire passes through the wire tubes.

[0016] Preferably, a printing material guide ring is provided at the front of the mounting frame, and the printing material guide ring is located at the upper side between the two clamping plates, and the printing material in the printing material guide ring enters downward into the hot end print head.

[0017] Preferably, threaded sleeves are provided on both sides of the front wall of the clamping plate on the rear side, and adjusting bolts are provided on both sides of the clamping plate on the front side, and the threaded ends of the adjusting bolts are threadedly connected to the threaded sleeves.

[0018] Preferably, the hot end print head is made of platinum-rhodium alloy, and the heating temperature of the hot end print head is controlled by current regulation, and temperature acquisition is achieved through the hot end print head's own signal feedback.

[0019] A printing method of a one-step temperature-controlled 3D printing device for glass-ceramic materials, the method is based on a one-step temperature-controlled 3D printing device for glass-ceramic materials, and the specific steps of the method are as follows:

[0020] S1: Start the equipment and calibrate the 3D printing device, load the printing material onto the printing material reel, and guide the printing material into the interior of the upper cover under the guidance of the material discharge guide mechanism, and insert the printing material into the hot end print head from between the two clamping plates;

[0021] S2: Set the temperature of the hot end print head, the feeding speed of the material discharging guide mechanism and import the 3D model;

[0022] S3: The material is melted at the hot end print head. The flow speed and width of the melt are calibrated through the feeding speed of the material discharging guide mechanism and the temperature of the hot end print head to ensure the uniformity of the printing path.

[0023] S4: Start 3D printing. The X-axis servo slide, the Y-axis servo slide, and the Z-axis servo slide drive the clamp and the hot end print head to move along the X-, Y-, and Z-directions in the upper cover body, and output the molten printing material. The molten printing material is cooled and formed;

[0024] S5: After printing is completed, the temperature is gradually lowered, and the product is taken out after the material cools to a safe temperature.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] Integrated miniaturized design: Integrates feeding, melting and printing into a one-step process to achieve automated production from raw materials to finished products, significantly improving efficiency and stability.

[0027] High-precision temperature control: The hot end print head is made of platinum-rhodium alloy, and the temperature control accuracy can reach ±0.1°C through real-time signal feedback, meeting the strict requirements of complex geometric structure molding of different materials.

[0028] Wide applicability: The equipment is suitable for high-temperature printing from 0℃ to 1800℃, compatible with air, vacuum and various atmosphere environments, covering most of the processing needs of glass / ceramic materials.

[0029] The one-step, efficient, precise temperature-controlled 3D printing method for glass-ceramic materials provides a new manufacturing method for aerospace, electronic devices, medical equipment, and materials science, and significantly promotes the development of high-performance material molding technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the structure of the present invention;

[0031] Figure 2This is a schematic diagram of the structure of the present invention after removing the upper cover body;

[0032] Figure 3 It is a structural schematic diagram of the material discharging guide mechanism of the present invention;

[0033] Figure 4 It is a schematic diagram of the structure of two splints of the present invention;

[0034] Figure 5 It is a schematic diagram of the structure of the present invention when two clamping plates are separated;

[0035] Figure 6 It is a schematic structural diagram of the limiting movable plate, the supporting shaft and the torsion spring of the present invention.

[0036] In the figure: 1. bottom plate; 2. upper cover; 3. controller; 4. 3D printing substrate; 5. printing material reel; 6. bracket; 7. rotating shaft; 8. guide roller; 9. driving motor; 10. angle sensor; 11. guide tube; 12. X-axis servo slide; 13. column; 14. Y-axis servo slide; 15. Z-axis servo slide; 16. clamping plate; 17. threaded sleeve; 18. adjusting bolt; 19. limit movable plate; 20. support shaft; 21. torsion spring; 22. mounting frame; 23. wire tube; 24. control wire; 25. printing material guide ring; 26. hot end print head. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] Embodiment 1:

[0040] See also Figure 1-6 , the present invention provides a technical solution: a one-step temperature-controlled 3D printing device for glass ceramic materials, comprising: a bottom plate 1, an upper cover body 2;

[0041] Among them, the upper cover body 2 is fixedly connected to the top of the bottom plate 1, the upper cover body 2 is hollow and has an opening at the front, and a controller 3 is arranged on the upper side of the front wall of the upper cover body 2; a printing material winding disk 5 and a material discharging guide mechanism are arranged on the top of the upper cover body 2, and the material discharging guide mechanism is used to pass the printing material winding disk 5 into the upper cover body 2; X-axis servo slides 12 are arranged on the left and right sides of the upper surface of the bottom plate 1, and columns 13 are longitudinally installed on the slide saddles of the two X-axis servo slides 12, and a Y-axis servo slide 14 is connected to the upper side between the two columns 13, and the A Z-axis servo slide 15 is longitudinally installed on the saddle of the Y-axis servo slide 14, and two clamps 16 are arranged on the front side of the saddle of the Z-axis servo slide 15, and two limiting movable plates 19 are arranged between the two clamps 16, wherein a support shaft 20 is installed at the rear end of one of the limiting movable plates 19, and a support shaft 20 is installed at the front end of the other limiting movable plate 19, and the two support shafts 20 are respectively connected to the two clamps 16 through torsion springs 21; a control wire 24 passes through the two clamps 16, and the bottom end of the control wire 24 is located at the lower side of the clamp 16 and is connected to a hot end print head 26.

[0042] Analysis of the above content: The cooperation between the X-axis servo slide 12, the Y-axis servo slide 14, and the Z-axis servo slide 15 can drive the two clamps 16, the limiting movable plate 19, the hot-end print head 26 and other structures to move, so that the hot-end print head 26 can move in multiple directions on the upper side of the base plate 1, and the material discharge guide mechanism extracts the printed material wound on the printed material winding disk 5 and pushes it into the upper cover body 2 and the hot-end print head 26, so that the hot-end print head 26 sprays the molten printing material downward and cools it into shape. While the hot-end print head 26 is heated, based on the characteristics of its material, the temperature of the hot-end print head 26 can be detected to facilitate feedback of the heating temperature.

[0043] Embodiment 2:

[0044] See also Figure 1-6 The present invention provides a technical solution based on the first embodiment: the material discharging guide mechanism includes brackets 6 arranged side by side, two rotating shafts 7 are installed on the upper sides of the two brackets 6, guide rollers 8 are sleeved on the outer walls of the two rotating shafts 7, and a printing material channel is formed between the two guide rollers 8. The upper surface of the upper cover body 2 is provided with a guide tube 11 connected to the inner cavity of the upper cover body 2, and the guide tube 11 corresponds to the position of the printing material channel. A driving motor 9 is provided on one of the brackets 6, and the output shaft of the driving motor 9 is connected to the end of one of the rotating shafts 7, and the signal output end of the controller 3 is connected to the driving motor 9. An angle sensor 10 is provided on one of the brackets 6, and the shaft of the angle sensor 10 is connected to the end of the other rotating shaft 7, and the signal output end of the angle sensor 10 is connected to the controller 3.

[0045] Analysis of the above content: the driving motor 9 drives one of the rotating shafts 7 to rotate through the output shaft, and the rotating shaft 7 drives the guide roller 8 thereon to rotate. The rotating guide roller 8 pushes the printing material downward through friction, and the other guide roller 8 plays a supporting role. The other guide roller 8 also rotates, and the other guide roller 8 will drive the angle sensor 10 to rotate. Since the circumference of the outer wall of the guide roller 8 is certain, the number of rotations of the guide roller 8 is measured by the angle sensor 10, and the length of the printing material output can be obtained.

[0046] Embodiment three:

[0047] See also Figure 1-6 The present invention provides a technical solution based on the first embodiment: a 3D printing substrate 4 is provided on the upper surface of the base plate 1, and the 3D printing substrate 4 is made of a ceramic or glass material with a flat surface, and the surface flatness error does not exceed ±0.1mm.

[0048] Embodiment 4:

[0049] See also Figure 1-6 The present invention provides a technical solution based on the first embodiment: a mounting frame 22 is provided on the slide saddle of the Z-axis servo slide 15, and wire tubes 23 are provided on the left and right sides of the upper surface of the mounting frame 22, and the control wire 24 passes through the wire tube 23.

[0050] Analysis of the above content: The wire tube 23 is hollow with openings at the top and the bottom of the side wall, and is used for the control wire 24 to pass through, control the direction of the control wire 24, and avoid the control wire 24 being messy.

[0051] Embodiment five:

[0052] See also Figure 1-6 The present invention provides a technical solution based on the first embodiment: a printing material guide ring 25 is provided at the front of the mounting frame 22, and the printing material guide ring 25 is located on the upper side between the two clamping plates 16, and the printing material in the printing material guide ring 25 enters downward into the hot end print head 26.

[0053] Analysis of the above content: The printing material guide ring 25 is used to limit the moving direction of the printing material to avoid it from being messy.

[0054] Embodiment six:

[0055] See also Figure 1-6 The present invention provides a technical solution based on the first embodiment: threaded sleeves 17 are provided on both sides of the front wall of the rear clamping plate 16, and adjusting bolts 18 are provided on both sides of the front clamping plate 16, and the threaded ends of the adjusting bolts 18 are threadedly connected with the threaded sleeves 17.

[0056] Analysis of the above content: By adjusting the cooperation between the bolt 18 and the threaded sleeve 17, the distance between the two clamps 16 can be controlled. At the same time, the limiting movable plate 19 is rotatably connected through the support shaft 20, so the space between the two limiting movable plates 19 can be adjusted, which is suitable for printing materials of different sizes.

[0057] Embodiment seven:

[0058] See also Figure 1-6 The present invention provides a technical solution based on Example 1: the hot end print head 26 is made of platinum-rhodium alloy, the heating temperature of the hot end print head 26 is controlled by current regulation, and the temperature is collected by the signal feedback of the hot end print head 26 itself.

[0059] Embodiment eight:

[0060] See also Figure 1-6 The present invention provides a technical solution: a printing method of a one-step temperature-controlled 3D printing device for glass ceramic materials. The method is based on a one-step temperature-controlled 3D printing device for glass ceramic materials. The specific steps of the method are as follows:

[0061] S1: Start the equipment and calibrate the 3D printing device, load the printing material onto the printing material reel 5, and let the printing material enter the interior of the upper cover 2 under the guidance and pushing action of the material discharge guide mechanism, and insert it into the hot end print head 26 from between the two clamping plates 16;

[0062] S2: Setting the temperature of the hot end print head 26, the feeding speed of the material discharging guide mechanism and importing the 3D model;

[0063] S3: The material is melted in the hot end print head 26, and the flow speed and width of the melt are calibrated through the feeding speed of the material discharging guide mechanism and the temperature of the hot end print head 26 to ensure the uniformity of the printing path;

[0064] S4: 3D printing starts. The X-axis servo slide 12, the Y-axis servo slide 14, and the Z-axis servo slide 15 drive the clamp 16 and the hot end print head 26 to move along the X-direction, the Y-direction, and the Z-direction in the upper cover 2, and output the molten printing material, and the molten printing material is cooled and formed;

[0065] S5: After printing is completed, the temperature is gradually lowered, and the product is taken out after the material cools to a safe temperature.

[0066] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0067] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. One-step temperature-controlled 3D printing equipment for glass ceramic materials, characterized in that: include: Base plate (1), upper cover body (2); The upper cover (2) is fixedly connected to the top of the bottom plate (1); the upper cover (2) is hollow and has an opening at the front; a controller (3) is arranged on the upper side of the front wall of the upper cover (2); A printing material reel (5) and a material discharge guide mechanism are provided on the top of the upper cover body (2), and the material discharge guide mechanism is used to allow the printing material reel (5) to pass into the interior of the upper cover body (2); An X-axis servo slide (12) is provided on the left and right sides of the upper surface of the base plate (1), and a column (13) is longitudinally installed on the slide saddles of the two X-axis servo slides (12), and a Y-axis servo slide (14) is connected to the upper side between the two columns (13), and a Z-axis servo slide (15) is longitudinally installed on the slide saddle of the Y-axis servo slide (14), and two clamping plates (16) are provided on the front side of the slide saddle of the Z-axis servo slide (15), and two limiting movable plates (19) are provided between the two clamping plates (16), and a support shaft (20) is installed at the rear end of one of the limiting movable plates (19), and a support shaft (20) is installed at the front end of the other limiting movable plate (19), and the two support shafts (20) are respectively connected to the two clamping plates (16) through torsion springs (21); A control wire (24) passes through the two clamping plates (16); the bottom end of the control wire (24) is located at the lower side of the clamping plate (16) and is connected to a hot end print head (26).

2. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 1, characterized in that: The material discharging guide mechanism comprises brackets (6) arranged side by side, two rotating shafts (7) are installed on the upper sides of the two brackets (6), guide rollers (8) are sleeved on the outer walls of the two rotating shafts (7), and a printing material channel is formed between the two guide rollers (8). The upper surface of the upper cover body (2) is provided with a guide tube (11) connected to the inner cavity of the upper cover body (2), and the guide tube (11) corresponds to the position of the printing material channel. A driving motor (9) is provided on one of the brackets (6), and the output shaft of the driving motor (9) is connected to the end of one of the rotating shafts (7). The signal output end of the controller (3) is connected to the driving motor (9).

3. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 2, characterized in that: An angle sensor (10) is provided on one of the brackets (6), the shaft of the angle sensor (10) is connected to the end of the other rotating shaft (7), and the signal output end of the angle sensor (10) is connected to the controller (3).

4. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 1, characterized in that: A 3D printing substrate (4) is arranged on the upper surface of the bottom plate (1); the 3D printing substrate (4) is made of ceramic or glass material with a flat surface, and the surface flatness error does not exceed ±0.1 mm.

5. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 1, characterized in that: A mounting frame (22) is arranged on the slide saddle of the Z-axis servo slide (15), and wire passing tubes (23) are arranged on the left and right sides of the upper surface of the mounting frame (22), and the control wire (24) passes through the wire passing tube (23).

6. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 5, characterized in that: A printing material guide ring (25) is provided at the front of the mounting frame (22), and the printing material guide ring (25) is located on the upper side between the two clamping plates (16). The printing material in the printing material guide ring (25) flows downward into the hot end print head (26).

7. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 1, characterized in that: Threaded sleeves (17) are arranged on both sides of the front wall of the rear clamping plate (16), and adjusting bolts (18) are arranged on both sides of the front clamping plate (16), and the threaded ends of the adjusting bolts (18) are threadedly connected to the threaded sleeves (17).

8. The one-step temperature-controlled 3D printing device for glass-ceramic materials according to claim 1, characterized in that: The hot end print head (26) is made of a platinum-rhodium alloy, and the heating temperature of the hot end print head (26) is controlled by current regulation, and temperature acquisition is achieved through signal feedback from the hot end print head (26) itself.

9. A printing method for a one-step temperature-controlled 3D printing device for glass ceramic materials, characterized in that: The method is based on the one-step temperature-controlled 3D printing device for glass-ceramic materials according to any one of claims 1 to 8, and the specific steps of the method are as follows: S1: starting the equipment and calibrating the 3D printing device, loading the printing material onto the printing material reel (5), and allowing the printing material to enter the interior of the upper cover (2) under the guiding and pushing action of the material discharge guide mechanism, and inserting the printing material into the hot end printing head (26) from between the two clamping plates (16); S2: Setting the temperature of the hot end print head (26), the feeding speed of the material discharging guide mechanism and importing the 3D model; S3: The material is melted in the hot end print head (26), and the flow speed and width of the melt are calibrated by the feeding speed of the discharge guide mechanism and the temperature of the hot end print head (26) to ensure the uniformity of the printing path; S4: 3D printing starts, based on the X-axis servo slide (12), the Y-axis servo slide (14), and the Z-axis servo slide (15), the clamping plate (16) and the hot end print head (26) move in the upper cover (2) along the X-direction, the Y-direction, and the Z-direction, and output the molten printing material, and the molten printing material is cooled and formed; S5: After printing is completed, the temperature is gradually lowered, and the product is taken out after the material cools to a safe temperature.

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