Ceramic clay 3D printer

Abstract

The utility model relates to the technical field of 3D printing, in particular to a clay 3D printer which comprises a supporting frame and a translation device, the translation device is installed at the bottom of the supporting frame, a bearing table is installed on the translation device, and the translation device is used for driving the bearing table to translate; the lifting mechanism is installed on the supporting frame and located on the upper side of the translation device, a fixing mechanism is installed on the lifting mechanism, and the lifting mechanism is used for driving the fixing mechanism to ascend or descend; and the extrusion mechanism is installed on the fixing mechanism and used for extruding the clay to the bearing table for 3D printing. According to the 3D printer for the pottery clay, the motor is used for driving the push rod, the push rod extrudes the pottery clay, the minimum diameter of the nozzle can reach 0.6 mm, the manufacturing cost is low, the extruded clay material is thin, the precision of a printed piece is improved, a simpler mechanical structure is used for extruding the pottery clay, the printing precision can reach 0.6 mm, the operation is simple, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing technical field especially relates to pottery clay 3D printer. BACKGROUND

[0002] DIW (Direct Ink Writing) is a kind of multifunctional and low-cost additive manufacturing technology. Without any fixture or mold, it can directly process objects with complex internal and external structures. The existing DIW pottery clay 3D printer uses air pressure pump feeding and screw extrusion method to print. One kind of DIW pottery clay 3D printer uses air pressure pump to send slurry into extruder, and then the motor drives the screw to extrude the slurry from a 1mm nozzle.

[0003] The existing DIW pottery clay 3D printer uses air pressure pump feeding and screw extrusion method to print. One kind of DIW pottery clay 3D printer uses air pressure pump to send slurry into extruder, and then the motor drives the screw to extrude the slurry from a 1mm nozzle. The cost of manufacturing the machine is high, the diameter of the screw extrusion nozzle is large, the clay extrusion wire is thick, which leads to low printing precision. Therefore, the pottery clay 3D printer is needed to solve the above problems. SUMMARY

[0004] The purpose of the utility model embodiment is to provide a pottery clay 3D printer, which aims to solve the problem of high cost of air pressure pump extrusion of the current DIW pottery clay 3D printer.

[0005] The utility model embodiment is implemented as follows: the pottery clay 3D printer comprises a support frame and a translational device, the translational device is installed at the bottom of the support frame, a bearing table is installed on the translational device, and the translational device is used to drive the bearing table to translate; a lifting mechanism is installed on the support frame and located on the upper side of the translational device, a fixing mechanism is installed on the lifting mechanism, and the lifting mechanism is used to drive the fixing mechanism to rise or fall; an extrusion mechanism is installed on the fixing mechanism and used to extrude pottery clay onto the bearing table for 3D printing.

[0006] Preferably, the lifting mechanism comprises a lead screw motor installed on the support frame, a lead screw nut threadedly matched with the lead screw motor, a light rod fixed on the support frame and distributed on both sides of the lead screw motor, a direction flange sleeved on the light rod, a Z-axis connecting plate fixedly arranged on the direction flange, the lead screw nut fixed in the middle of the Z-axis connecting plate, and the fixing mechanism and the Z-axis connecting plate fixedly connected.

[0007] Preferably, the fixing mechanism comprises a fixed frame fixedly installed on the Z-axis connecting plate, a through hole and a barrel groove formed in the fixed frame, and the barrel groove distributed on both sides of the through hole; two frame rods are fixedly connected through the barrel groove and the fixed frame, and each frame rod is fixedly connected with a rectangular steel body, and the extrusion mechanism is installed on the fixed frame and the rectangular steel body.

[0008] Preferably, the extrusion mechanism comprises: a stepper motor mounted at a through hole of a fixed frame, a screw rod fixedly connected with an output shaft of the stepper motor, the stepper motor being capable of driving the screw rod to rotate stably; a push rod threadedly connected with the screw rod, a cylinder clearance-fitted on the push rod, a cartridge fixedly connected with the cylinder, the cartridge being fixedly mounted on the rectangular steel body, a detachable tightening cap threadedly connected with an upper end of the cartridge, and a nozzle threadedly connected with a lower end of the cartridge.

[0009] The 3D printer for pottery clay provided by the utility model drives a push rod by a motor, the push rod extrudes the pottery clay, the minimum nozzle caliber can reach 0.6mm, the cost of manufacturing the machine is low, the extruded clay filament is thin, the precision of the printed part is improved, and the machine structure is simpler to use, the pottery clay is extruded, the printing precision can reach 0.6mm, the operation is simple, and the utility is strong. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a schematic view of the 3D printer for pottery clay.

[0011] Figure 2 It is a schematic view of the lifting mechanism of the 3D printer for pottery clay.

[0012] Figure 3 It is a schematic view of the fixing mechanism of the 3D printer for pottery clay.

[0013] Figure 4 It is a schematic view of the extrusion mechanism of the 3D printer for pottery clay.

[0014] Figure 5 It is a printing flow chart of the 3D printer for pottery clay.

[0015] In the drawings: 1 - support frame, 2 - translator, 3 - bearing table, 4 - lifting mechanism, 5 - fixing mechanism, 6 - extrusion mechanism, 41 - screw rod motor, 42 - screw rod nut, 43 - light rod, 44 - direction flange, 45 - Z-axis connecting plate, 51 - fixed frame, 52 - frame rod, 53 - rectangular steel body, 61 - stepper motor, 62 - screw rod, 63 - push rod, 64 - cylinder, 65 - cartridge, 66 - tightening cap, 67 - nozzle. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples.

[0017] The specific implementation of the utility model will be described in detail by combining with specific examples.

[0018] Please refer to Figure 1 and Figure 5The utility model embodiment provides a clay 3D printer, the clay 3D printer includes:

[0019] Support frame 1 and translational motion ware 2, translational motion ware 2 is installed at support frame 1 bottom, and translational motion ware 2 is installed with the bearing station 3 on, and translational motion ware 2 is used to drive bearing station 3 translational motion, lifting mechanism 4 is installed on support frame 1 and is located translational motion ware 2 upside, and fixing mechanism 5 is installed on lifting mechanism 4, and lifting mechanism 4 is used to drive fixing mechanism 5 to ascend or descend, extrusion mechanism 6 is installed on fixing mechanism 5, and is used to extrude clay to bearing station 3 to carry out 3D printing.

[0020] Print movement starts, and extrusion mechanism 6 on lifting mechanism 4 drives fixing mechanism 5 to descend, and bearing station 3 is leveled to suitable printing state through translational motion ware 2, and extrusion mechanism 6 starts work, and clay is extruded from nozzle, and translational motion ware 2 drives bearing station 3 translational motion, and lifting mechanism 4 carries extrusion mechanism 6 upward again every time a layer is printed, and repeatedly, and the printing process can be completed.

[0021] As Figure 2 As shown in the utility model one preferred embodiment, the lifting mechanism 4 includes: lead screw motor 41 is installed on support frame 1, and lead screw motor 41 is threadedly cooperated with lead screw nut 42, light pole 43 is fixed on support frame 1 and is distributed on the both sides of lead screw motor 41, and direction flange 44 is sleeved on light pole 43, and Z-axis connecting plate 45 is fixedly arranged on direction flange 44, and lead screw nut 42 is fixed in the middle of Z-axis connecting plate 45, and fixing mechanism 5 and Z-axis connecting plate 45 are fixedly connected.

[0022] Frame rod 52 both ends are equipped with M5 through hole, and Z-axis connecting plate 42 also has corresponding through hole, when the hole of frame rod 52 is aligned with the hole of Z-axis connecting plate 42, M5x40mm screw is inserted, and then M5 nut is used to lock it, so that frame rod 52 part is connected with Z-axis connecting plate 9. In order to make extrusion mechanism 6 ascend or descend, lead screw nut 42 is connected with Z-axis connecting plate 45 by M5x25mm screw, and is fixed and locked by nut. Lead screw motor 41 cooperates with lead screw nut 42. Z-axis connecting plate 45 and direction flange 44 are fixed by the same bolt. Both ends are added light pole 43 to ensure the balance of Z-axis connecting plate 45 movement. When lead screw motor 41 rotates, lead screw nut 42 moves up or down linearly on the lead screw along with the rotation of lead screw motor 41, lead screw nut 42 is connected with Z-axis connecting plate 45, Z-axis connecting plate 45 is connected with fixing mechanism 5, and extrusion mechanism 6 is installed on fixing mechanism 5. When lead screw nut 42 drives Z-axis connecting plate 45 to move, the extrusion mechanism 6 on fixing mechanism 5 will also move correspondingly.

[0023] As Figure 3As shown, in a preferred embodiment of the present invention, the fixing mechanism 5 includes: a fixing frame 51, which is fixedly installed on the Z-axis connecting plate 45, the fixing frame 51 having a through hole and a barrel groove, the barrel groove being distributed on both sides of the through hole; a frame rod 52, which is fixedly connected to the fixing frame 51 through the barrel groove and there are two of them, a rectangular steel body 53 is fixedly connected to the frame rod 52, and the extrusion mechanism 6 is installed on the fixing frame 51 and the rectangular steel body 53.

[0024] The mounting bracket 51 has two M5 through holes at the top, slots at both ends, and four M3 holes in the middle corresponding to the stepper motor 61. The frame rod 52 has M5 through holes. The frame rod 52 is inserted into the slots at both ends of the mounting bracket 52. When the holes in the frame rod 52 correspond to the holes in the mounting bracket 51, an M5×45mm screw is inserted into the hole, and the end is tightened with a nut. The stepper motor 61 is placed inside the mounting bracket 51, and the mounting bracket 51 is fixed to the stepper motor 61 using an M3×10mm screw. Two rectangular steel bodies 53 have holes and are placed above the frame rod 52; each frame rod 52 has a corresponding hole. An M5×40mm screw is passed through the holes in the rectangular steel body 53 and the frame rod 52, and then tightened with a nut, connecting the rectangular steel body 53 to the frame rod 52. The barrel 65 is provided with M5 through holes around its perimeter, and the rectangular steel body 53 is also provided with through holes. The holes in the barrel 65 are aligned with the through holes in the rectangular steel body 53. An M5×25mm screw is inserted into the through hole and locked with an M5 nut, thereby connecting the frame rod 52, the rectangular steel body 53, and the barrel 65.

[0025] like Figure 4 As shown, in a preferred embodiment of this utility model, the extrusion mechanism 6 includes: a stepper motor 61, which is installed at the through hole of the fixing frame 51, and the output shaft of the stepper motor 61 is fixedly connected to a screw 62, so that the stepper motor 61 can drive the screw 62 to rotate stably; a push rod 63, which is threadedly connected to the screw 62, and a cylinder 64 is fitted on the push rod 63 with clearance, and a material cylinder 65 is fixedly connected to the cylinder 64. The material cylinder 65 is fixedly installed on the rectangular steel body 53, and a detachable tightening cap 66 is threadedly connected to the upper end of the material cylinder 65, and a nozzle 67 is threadedly connected to the lower end of the material cylinder 65.

[0026] The screw rod 62 is provided with a small hole at the head end and a fixed screw hole at the side, is inserted into the rotating shaft of the stepping motor 61, is fixed by using M4 screws, and can rotate with the stepping motor 61. The push rod 63 is provided with an M10 threaded hole inside, is used for threaded cooperation with the screw rod 62. The push rod 63 is gap-fitted with the cylinder 64, and the push rod 64 linearly reciprocates in the cylinder 64, so that the mud can flow in the barrel 65. The cylinder 64 is provided with four M4 through holes at the right side, the barrel 65 is provided with four M5 threaded holes at the left side, the holes of the cylinder 64 and the holes of the barrel 65 are positioned, the cylinder 64 and the barrel 65 are connected and fixed by using M5 screws, so that the cylinder 64 and the barrel 65 are integrated. The barrel 65 is provided with a threaded hole at the top and an M6 threaded hole at the bottom, the tightening cover 66 is screwed with the threaded hole at the top of the barrel 65, and the nozzle 67 is screwed with the M6 threaded hole at the bottom of the barrel 65. The threaded cooperation of the two positions is for the sealing of the barrel 65.

[0027] Working process: after the mud is filled in the barrel 65 and compacted, the tightening cover 66 is matched with the barrel 65, the barrel 65 is sealed at the top, the push rod 63 and the cylinder 64 are arranged on the same axis, when the output shaft of the stepping motor rotates, the screw rod 62 starts to rotate, the threads in the screw rod 62 are screwed with the threads in the push rod 63, the push rod 63 reciprocates, and the mud in the cylinder 64 can only be extruded from the caliber of the nozzle 67, so that the whole movement and the extrusion of the mud can be completed.

[0028] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clay 3D printer comprising a support frame and a translater, characterized in that, The translational mover is installed at the bottom of the support frame, and a bearing table is installed on the translational mover, and the translational mover is used to drive the bearing table to translate; The lifting mechanism is installed on the support frame and located on the upper side of the translational mover, and the fixing mechanism is installed on the lifting mechanism, and the lifting mechanism is used to drive the fixing mechanism to rise or fall; The extrusion mechanism is installed on the fixing mechanism and is used to extrude the clay onto the bearing table for 3D printing; The lifting mechanism comprises: A lead screw motor is installed on the support frame, and a lead screw nut is threadedly connected to the lead screw motor; A light rod is fixed on the support frame and is distributed on both sides of the lead screw motor, a direction flange is sleeved on the light rod, a Z-axis connecting plate is fixedly arranged on the direction flange, the lead screw nut is fixed in the middle of the Z-axis connecting plate, and the fixing mechanism and the Z-axis connecting plate are fixedly connected; The fixing mechanism comprises: A fixed frame is fixedly installed on the Z-axis connecting plate, and a through hole and a barrel groove are arranged in the fixed frame, and the barrel groove is distributed on both sides of the through hole; Two frame rods are fixedly connected through the barrel groove and the fixed frame, and the frame rods are provided with a rectangular steel body, and the extrusion mechanism is installed on the fixed frame and the rectangular steel body; The extrusion mechanism comprises: A stepping motor is installed at the through hole of the fixed frame, and a screw rod is fixedly connected to the output shaft of the stepping motor, and the stepping motor can drive the screw rod to rotate stably; A push rod is threadedly connected with the screw rod, a cylinder is clearance-fitted on the push rod, a cartridge is fixedly connected to the cylinder, the cartridge is fixedly installed on the rectangular steel body, a detachable tightening cap is threadedly connected to the upper end of the cartridge, and a nozzle is threadedly connected to the lower end of the cartridge.

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