CN207841655U - Ceramic material 3D printing is equipped - Google Patents

Abstract

The utility model discloses a ceramic material 3D printing equipment. Including the base, the left and right racks placed at both ends of the base, the left and right racks are respectively equipped with longitudinal first and second axis movement mechanisms, and the two ends of the beam are installed on the first and second axis movement mechanisms, The third-axis motion mechanism is installed on the beam; the third-axis motion mechanism is equipped with a plunger extrusion device, which includes a vertical support plate, the servo electric cylinder is fixed on the support plate, and the servo electric cylinder The end of the lead screw is connected with the extrusion head, the barrel located under the extrusion head is installed on the support plate through the fixing block, and the nozzle is fixed at the lower part of the barrel; the plunger type extrusion device cooperates with the workbench, The workbench is installed on the vertical fourth-axis motion mechanism, and the fourth-axis motion mechanism is installed on the vertical support on one side of the base. The plunger type extruding device of the utility model can evenly extrude the working slurry and ensure the precision of the ceramic parts.

Description

Ceramic material 3D printing equipment

technical field

The utility model relates to 3D printing equipment, in particular to a ceramic material 3D printing equipment.

Background technique

3D printing technology is a new type of rapid additive technology, which has developed rapidly in recent years. As a method of additive processing, 3D printing can print three-dimensional solid models. There are more and more discussions on this technology in various fields. many. At present, ceramic 3D printing by slurry extrusion mostly adopts large-diameter simple silo feeding or material pump feeding, and the extrusion pressure is small, resulting in large diameter of extrusion hole and unstable flow rate, resulting in low accuracy of ceramic blanks , thus affecting the density of ceramic parts, affecting work progress and product quality.

Utility model content

The technical problem to be solved by the utility model is to provide a 3D printing equipment for ceramic materials, which can uniformly extrude the working slurry and ensure the precision of the ceramic parts.

The technical scheme that the utility model solves its technical problem adopts is:

A ceramic material 3D printing equipment, including a base, left and right racks placed at both ends of the base, the left and right racks are respectively equipped with longitudinal first and second axis movement mechanisms, and the two ends of the beam are installed on the first 1. On the second axis movement mechanism, the third axis movement mechanism is installed on the beam; the third axis movement mechanism is equipped with a plunger type extrusion device, the plug type extrusion device includes a vertical support plate, and the servo electric cylinder is fixed on In the middle and upper part of the support plate, the end of the lead screw of the servo electric cylinder is connected with the extrusion head, the material cylinder located below the extrusion head is installed on the support plate through the fixing block, and the nozzle is fixed on the lower part of the material cylinder; the plunger The extrusion device is matched with the workbench, and the workbench is installed on the vertical fourth-axis movement mechanism, and the fourth-axis movement mechanism is installed on the vertical support on one side of the base.

Adopt the utility model of above-mentioned technical scheme, compared with prior art, beneficial effect is:

It is easy to use, simple in structure, low in cost and easy to operate; the plunger type extruding device makes the working slurry uniformly extruded and ensures the precision of the ceramic parts.

Further, the optimization scheme of the present utility model is:

The first shaft motion mechanism includes a guide rail pair and a transmission mechanism installed on the shaft bracket. The guide rail pair includes a first guide rail and a second guide rail. The first slider cooperates with the first guide rail, and the second slider cooperates with the second guide rail. The mechanism is placed between the first guide rail and the second guide rail. The transmission mechanism includes a lead screw and a lead screw nut. The first slider, the second slider and the lead screw nut are respectively fixed to the support plate. One end of the lead screw is connected to the stepping motor. connect.

The cross sections of the first guide rail and the second guide rail are rectangular or dovetail-shaped structures.

The workbench includes a workbench, the workbench is installed on the workbench support, a heating block is arranged between the workbench and the workbench support, the workbench and the workbench support are connected by bolts, and the elastic piece is set between the workbench and the workbench support on the bolts.

The elastic member is a spring.

The servo electric cylinder, extrusion head, barrel and nozzle are on the same axis.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment;

Fig. 2 is a schematic diagram of the shaft movement mechanism;

Fig. 3 is the A-A view of Fig. 2;

Fig. 4 is a schematic diagram of the three-dimensional structure of the workbench;

Fig. 5 is a schematic diagram of a three-dimensional structure of an extrusion device;

Fig. 6 is a schematic diagram of the barrel structure;

In the figure: base 1; left frame 2; right frame 3; first axis motion mechanism 4; stepping motor 4-1; coupling 4-2; first guide rail 4-3; second guide rail 4-4 Shaft support 4-5; The first slider 4-6; Lead screw nut 4-7; The second slider 4-8; Lead screw 4-9; Support plate 4-10; Three-axis motion mechanism 6; fourth-axis motion mechanism 7; worktable 8; worktable surface 8-1; worktable support 8-2; heating block 8-3; spring 8-4; bolt 8-5; extrusion device 9 ; barrel 9-1; extrusion head 9-2; electric cylinder support plate 9-3; servo electric cylinder 9-4; nozzle 9-5; fixed block 9-6; beam 10; beam bracket 11; vertical bracket 12 .

Detailed ways

Describe the utility model in detail below in conjunction with accompanying drawing and embodiment.

Referring to Figure 1, a ceramic material 3D printing equipment, the two ends of the base 1 are respectively welded with the left frame 2 and the right frame 3, the left frame 2 and the right frame 3 are structural parts, the left frame 2 and the right frame Frame 3 is arranged in parallel, and left frame 2 and right frame 3 are frame structures. The upper end surface of the left frame 2 is equipped with a vertical first axis motion mechanism 4 (shown in Figure 2 and Figure 3), and the shaft bracket 4-5 of the first axis motion mechanism 4 is equipped with a guide rail pair and a transmission mechanism, and the guide rail pair It is composed of the first guide rail 4-3, the second guide rail 4-4, the first slider 4-6 and the second slider 4-8, the first slider 4-6 cooperates with the first guide rail 4-3, the second The slider 4-8 cooperates with the second guide rail 4-4, and the cross section of the first guide rail 4-3 and the second guide rail 4-4 is a rectangular or dovetail structure. The transmission mechanism is placed in the middle of the first guide rail 4-3 and the second guide rail 4-4, and the transmission mechanism is composed of a lead screw 4-9, a lead screw nut 4-7, a coupling 4-2 and a stepping motor 4-1 , the leading screw nut 4-7 is screwed on the leading screw 4-9, and one end of the leading screw 4-9 is connected with the stepping motor 4-1 through the shaft coupling 4-2. The upper surfaces of the first slider 4-6, the second slider 4-8 and the lead screw nut 4-7 are coplanar and respectively welded to the support plate 4-10, and the support plate 4-10 is U-shaped.

The stepper motor 4-1 of the first shaft motion mechanism 4 rotates to drive the leading screw 4-9 to rotate, and the rotation of the leading screw 4-9 makes the leading screw nut 4-7 on the leading screw 4-9 move, and the leading screw nut The support plate 4-10 connected by 4-7 moves, and the first slider 4-6 and the second slider 4-8 connected with the support plate 4-10 move along the first guide rail 4-3 and the second guide rail 4-8 respectively. 4 moves, the first guide rail 4-3 and the second guide rail 4-4 and the first slide block 4-6 and the second slide block 4-8 of the first shaft motion mechanism 4 play a supporting role.

The upper end surface of the right frame 3 is equipped with a second axis motion mechanism 5, and the structure of the second axis motion mechanism 5 is the same as that of the first axis motion mechanism 4. The first axis motion mechanism 4 and the second axis motion mechanism 5 are symmetrically installed in parallel. The first axis movement mechanism 4 and the second axis movement mechanism 5 serve as the Y axis in this embodiment. The support plates 4-10 of the first axis motion mechanism 4 and the second axis motion mechanism 5 are respectively welded with a crossbeam support 11, and the two ends of the crossbeam 10 are connected with the crossbeam support 11 by bolts, and the horizontal third axis movement mechanism 6 is installed on On the beam, the third-axis motion mechanism 6 is used as the X-axis in this embodiment, and the structure of the third-axis motion mechanism 6 is the same as that of the first-axis motion mechanism 4 .

The support plate 4-10 of the third axis motion mechanism 6 is equipped with a plunger type extrusion device 9 (shown in Figure 5 and Figure 6), and the plunger type extrusion device 9 is installed on the vertical electric cylinder support plate 9- 3, the electric cylinder support plate 9-3 is connected with the support plate 4-10 of the third axis motion mechanism 6 through bolts, the servo electric cylinder 9-4 is installed on the middle and upper part of the electric cylinder support plate 9-3, and the servo electric cylinder 9 The end of the lead screw of -4 is threadedly connected with the cylindrical extrusion head 9-2, and the barrel 9-1 located below the extrusion head 9-2 is installed through a U-shaped fixing block 9-6 and bolts On the electric cylinder support plate 9-3, two sealing rings are equipped with on the extrusion head 9-2 head. Nozzle 9-5 is installed in the bottom of barrel 9-1, and Nozzle 9-5 is threadedly connected with barrel 9-1. The servo electric cylinder 9-4, the extrusion head 9-2, the barrel 9-1 and the nozzle 9-5 are on the same axis.

The workbench 8 cooperates with the plunger type extrusion device 9 (shown in Figure 4), the workbench 8 is installed on the vertical fourth-axis motion mechanism 7, and the fourth-axis motion mechanism 7 is installed on the vertical bracket on the side of the base 1 12, the fourth axis motion mechanism 7 is used as the Z axis in this embodiment. The workbench 8-1 of the workbench 8 is installed on the workbench support 8-2, the workbench support 8-2 is a structural part, the workbench 8-1 and the workbench support 8-2 are connected by 4 bolts 8-5, 4 bolts 8-5 are symmetrically distributed on the worktable 8-1, the heating block 8-3 is installed between the worktable 8-1 and the workbench support 8-2, and the spring 8-4 is set on the worktable 8-1 and the workbench Bolts between brackets 8-2. The workbench 8 is leveled by a spring 8-4, and a heating block 8-3 can heat the platform.

The first-axis motion mechanism 4 and the second-axis motion mechanism 5 in the direction of the Y-axis move synchronously under the control of the stepper motor; the third-axis motion mechanism 6 in the direction of the X-axis moves to control the plunger extrusion device 9 to move left and right; the first axis motion mechanism 4 and the second axis motion mechanism 5 in the Y-axis direction control the forward and backward movement of the plunger extrusion device 9; the fourth-axis motion mechanism 7 in the Z-axis direction controls the movement of the workbench Moving up and down.

Ceramic material 3D printing equipment described in the present embodiment, its working method is carried out in the following steps:

(1) Fill the barrel 9-1 with the required raw materials before the 3D printing equipment works;

(2) By controlling the servo electric cylinder 9-4, the extrusion head 9-2 connected to the lead screw is lowered, and stops when the extrusion head 9-2 enters the barrel 9-1 and just begins to enter the barrel 9-1;

(3) Use software to build models, determine parameters, generate codes, turn on the power of the equipment, and transmit data to the plunger-type ceramic material 3D printing equipment;

(4) The first-axis motion mechanism 4, the second-axis motion mechanism 5, the third-axis motion mechanism 6, and the fourth-axis motion mechanism 7 in the X, Y, and Z-axis motion directions of the plunger-type ceramic material 3D printing device pass Use the guide rail pair, the transmission mechanism and the stepper motor on it to perform the position return movement;

(5) According to the transmission data, the plunger-type ceramic material 3D printing device controls the plunger-type extrusion device through the first axis movement mechanism 4, the second axis movement mechanism 5, and the third axis movement mechanism 6 in the X and Y axis directions The position on the two-dimensional plane; the up and down position of the workbench is determined by the fourth axis motion mechanism 7 in the Z-axis direction;

(6) The plunger type extrusion device 9 works, and the servo electric cylinder 9-4 drives the extrusion head 9-2 to move downward so that the working material in the barrel 9-1 continuously flows out through the nozzle 9-5;

(7) The heating block 8-3 of the heating device of the workbench 8 is used for heat adjustment according to the properties of the slurry;

(8) Finish printing.

The above descriptions are only preferred and feasible embodiments of the present utility model, and are not intended to limit the scope of rights of the present utility model. within the scope of rights.

Claims (7)

1. A ceramic material 3D printing equipment, comprising a base, placed on the left and right frames at the two ends of the base, characterized in that: the left and right frames are respectively provided with longitudinal first and second axis motion mechanisms, and the crossbeam The two ends are installed on the first and second axis movement mechanisms, and the third axis movement mechanism is installed on the beam; the third axis movement mechanism is equipped with a plunger-type extrusion device, which includes a vertical support The servo electric cylinder is fixed on the support plate, the end of the screw of the servo electric cylinder is connected with the extrusion head, the barrel located under the extrusion head is installed on the support plate through the fixing block, and the nozzle is fixed on the barrel The lower part of the lower part; the plunger type extruding device cooperates with the workbench, the workbench is installed on the vertical fourth-axis movement mechanism, and the fourth-axis movement mechanism is installed on the vertical support on one side of the base. 2. ceramic material 3D printing equipment according to claim 1, is characterized in that: the first shaft motion mechanism comprises guide rail pair and transmission mechanism installed on the shaft support, guide rail pair comprises first guide rail and second guide rail, first The slider cooperates with the first guide rail, the second slider cooperates with the second guide rail, the transmission mechanism is placed between the first guide rail and the second guide rail, the transmission mechanism includes a screw and a screw nut, the first slider, the second slider and the lead screw nut are respectively affixed to the support plate, and one end of the lead screw is connected with the stepping motor. 3. The ceramic material 3D printing equipment according to claim 1, characterized in that: the first axis motion mechanism, the second axis motion mechanism, the third axis motion mechanism and the fourth axis motion mechanism have the same structure. 4. ceramic material 3D printing equipment according to claim 1, is characterized in that: the cross section of first guide rail and second guide rail is rectangular or dovetail structure. 5. ceramic material 3D printing equipment according to claim 1, is characterized in that: workbench comprises worktop, workbench is installed on the workbench support, is provided with heating block between workbench and workbench support, workbench and workbench The workbench supports are connected by bolts, and the elastic parts are sleeved on the bolts between the workbench and the workbench supports. 6. ceramic material 3D printing equipment according to claim 1, is characterized in that: servo electric cylinder, extrusion head, barrel and nozzle are on the same axis. 7. ceramic material 3D printing equipment according to claim 5, is characterized in that: elastic member is a spring.