CN214725038U

CN214725038U - Composite cement material 3D printer device based on three-axis motion

Info

Publication number: CN214725038U
Application number: CN202023206830.XU
Authority: CN
Inventors: 杨洋; 张秋菊; 宁萌
Original assignee: Jiangsu Jicui Composite Material Equipment Research Institute Co ltd
Current assignee: Jiangsu Jicui Composite Material Equipment Research Institute Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-16
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a composite cement material 3D printer device based on three-axis motion, which relates to the technical field of 3D printing and comprises a frame, a three-axis motion mechanism, a printing nozzle, a printing support plate device, a controller, a servo driving unit connected with the controller, a temperature sensor and a proximity switch; the printing support plate device is used for storing cement printing pieces and comprises a support plate, a handle, a support wheel and a fixed position baffle; the temperature sensor is arranged on the printing spray head and used for detecting the ambient temperature; the proximity switch is installed in the setting limit position of the three-axis movement mechanism and used for limiting the movement position of the three-axis movement mechanism, the device can be used for printing composite cement materials and common cement materials, and the proximity switch is simple in structure and has high practical value.

Description

Composite cement material 3D printer device based on three-axis motion

Technical Field

The utility model belongs to the technical field of the 3D printing technique and specifically relates to a composite cement material 3D printer device based on triaxial motion.

Background

The 3D printer device has been widely used as a material forming device with low cost, high density, energy saving, flexibility, and rapid deployment. Composite material manufacturing is an emerging manufacturing technology that builds up material layer by layer to produce solid objects based on digital models. With the technical development of composite material manufacturing equipment, molding process and the like becoming more and more mature, the building composite material manufacturing is widely applied in the industrial field in recent years.

In terms of temperature, the lower the temperature is, the more inactive the hydration reaction of the composite cement material is, the longer the time required for setting is, and in the non-setting period, the stacking property of the composite cement material is poor, which is not beneficial to continuously printing a layer, and when the temperature is too high, air bubbles are generated, which affects the structural strength of a large-scale component. And traditional 3D printer device structure is more complicated, and after printing one deck, need print the next floor again after rising or descending with great printing layer board, therefore the precision of the cement printing piece that obtains is relatively poor.

SUMMERY OF THE UTILITY MODEL

The invention provides a composite cement material 3D printer device based on three-axis motion aiming at the problems and the technical requirements. The device can ensure that the printing process is at a temperature suitable for printing of liquid materials, and improves the precision and the mechanical property of cement printed parts.

The technical scheme of the utility model as follows:

A3D printer device for composite cement materials based on three-axis motion comprises a rack, a three-axis motion mechanism, a printing nozzle, a printing supporting plate device, a controller, a direct-current stabilized voltage power supply, a servo driving unit, a temperature sensor and a proximity switch, wherein the direct-current stabilized voltage power supply, the servo driving unit, the temperature sensor and the proximity switch are connected with the controller; the direct current stabilized power supply is also connected with a temperature sensor and a proximity switch for providing power supply; the three-axis movement mechanism is carried on the rack and connected with the servo drive unit, the printing nozzle is arranged on the three-axis movement mechanism, the xyz three-axis direction movement is realized through the three-axis movement mechanism, the printing support plate device is positioned below the three-axis movement mechanism and the printing nozzle and used for storing cement printing pieces, the printing support plate device comprises a support plate, a handle arranged on the side edge of the support plate, a support wheel arranged on the lower surface of the support plate and a fixed position baffle plate, and the fixed position baffle plate is positioned at one edge of the support plate and plays a role in isolation and protection; the temperature sensor is arranged on the printing spray head and used for detecting the ambient temperature; the proximity switch is arranged at the set limit position of the three-axis movement mechanism and used for limiting the movement position of the three-axis movement mechanism.

The further technical scheme is that the three-axis movement mechanism comprises an x-axis transmission mechanism, a y-axis transmission mechanism and a z-axis transmission mechanism, the x-axis transmission mechanism is arranged along the x-axis direction of the rack, the y-axis transmission mechanism and the x-axis transmission mechanism are vertically arranged along an xy plane, the y-axis transmission mechanism horizontally moves on the x-axis transmission mechanism along the x-axis direction, the z-axis transmission mechanism and the x-axis transmission mechanism and the y-axis transmission mechanism are vertically arranged along the z-axis direction, the z-axis transmission mechanism horizontally moves on the y-axis transmission mechanism along the y-axis direction, and the printing nozzle is arranged on the z-axis transmission mechanism and vertically moves along the z-axis direction.

The further technical scheme is that the x-axis transmission mechanism comprises two x-axis direction guide rails, an x-axis ball screw and an x-axis coupler, wherein two ends of the x-axis direction guide rails and two ends of the x-axis ball screw are arranged on the rack along the x-axis direction, the two x-axis direction guide rails are arranged oppositely, and one end of the x-axis ball screw is connected with an x-axis servo motor in the servo drive unit through the x-axis coupler; the y-axis transmission mechanism comprises y-axis direction guide rails, y-axis ball screws and a y-axis coupler, the y-axis direction guide rails and the y-axis ball screws are arranged on a y-axis support beam of the rack, the y-axis support beams are distributed along the y-axis direction, two ends of the y-axis support beam are respectively positioned on the two x-axis direction guide rails, the y-axis support beam is sleeved on the x-axis ball screws, and one end of the y-axis ball screw is connected with a y-axis servo motor in the servo drive unit through the y-axis coupler; the z-axis transmission mechanism comprises a z-axis direction optical axis, a z-axis ball screw, a z-axis coupler, a z-axis support frame, a z-axis transmission table and a z-axis connecting piece, the z-axis direction optical axis and the z-axis ball screw are arranged on the z-axis support frame distributed along the z-axis direction, the z-axis transmission table is sleeved on the z-axis direction optical axis and is fixedly connected with the z-axis connecting piece, the z-axis support frame is arranged on a y-axis direction guide rail through the z-axis connecting piece and is sleeved on the y-axis ball screw, one end of the z-axis ball screw is connected with a z-axis servo motor in the servo driving unit through the z-axis coupler, and the printing spray head is positioned on the z-axis direction optical axis and is sleeved on the z-axis ball screw; the guide rails in the direction of each axis and the optical axis in the direction of the z axis are used for limiting the motion trail of each axis, and the proximity switches are respectively arranged at the set limit positions of the guide rails in the direction of each axis and the optical axis in the direction of the z axis.

The servo driving unit comprises an x-axis servo driver, an x-axis servo motor, an x-axis encoder, a y-axis servo driver, a y-axis servo motor, a y-axis encoder, a z-axis servo driver, a z-axis servo motor, a z-axis encoder, a c-axis driver and a c-axis feeding motor, wherein the servo drivers, the servo motors and the encoders of all the axes are sequentially connected, the encoders of all the axes are arranged on motor shafts of the servo motors corresponding to all the axes and are connected with the servo drivers corresponding to all the axes, the servo drivers of all the axes are also connected with a controller, the c-axis feeding motor is connected with a feeding part of the printing spray head, and the encoders are used for feeding back the running positions of all the servo motors.

The device further comprises a horizontal sensor and a strain gauge force transducer which are connected with the controller, wherein the horizontal sensor and the strain gauge force transducer are powered by a direct-current stabilized power supply, the horizontal sensor and the strain gauge force transducer are installed on the printing nozzle, the horizontal sensor is used for detecting the states of the nozzle and the inclination angle of a printing piece storage plate, and the strain gauge force transducer is used for measuring the extrusion amount of the liquid material.

The device further comprises a display panel and a keyboard mouse which are connected with the controller, wherein the display panel is used for displaying real-time printing data of the device, and the display panel is matched with the keyboard mouse and is also used for creating basic information of a required composite material printing piece.

The device further comprises auxiliary equipment connected with the controller, wherein the auxiliary equipment comprises an indicator light, a fan and a fluorescent lamp, the indicator light is used for prompting the running condition of the device, the fan is used for dissipating heat of the controller and the servo driving unit, and the fluorescent lamp is used for lighting the electric cabinet provided with the controller.

The utility model has the beneficial technical effects that:

the temperature sensor, the level sensor and the strain gauge force transducer are arranged at the printing nozzle, so that the nozzle state and the printing piece storage plate can be detected whether to be in the horizontal position, the printing process is ensured to be at the temperature suitable for printing of the liquid material, the precision of the cement printing piece and the mechanical property of the printing piece are improved, the device can make adaptive adjustment according to the change of the working environment in the aspect of cement material forming, and the device has better robustness; the proximity switches are arranged at the set limit positions of the shaft transmission mechanisms, so that the motion positions of the shaft transmission mechanisms are prevented from exceeding the limit; this 3D printer device realizes the triaxial through the cooperation of triaxial motion and servo drive unit and prints, feeds back each axle servo motor current operating position through the encoder, when there is unexpected outage or shut down and reset, can select restart or continue the printing position that last time was unfinished and continue to print, realizes the nimble controllability of printing large-scale part, improves the success rate of printing to the energy saving.

Drawings

Fig. 1 is a schematic diagram of a 3D printer apparatus provided in the present application.

Fig. 2 is a schematic structural diagram of a 3D printer apparatus provided in the present application.

Fig. 3 is a schematic structural diagram of another view angle of the 3D printer apparatus provided in the present application.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-3, the three-axis movement-based composite cement material 3D printer device includes a frame 1, a three-axis movement mechanism, a printing nozzle 2, a printing support plate device, a controller 3, a dc regulated power supply 4 connected to the controller 3, a servo drive unit, a temperature sensor 5, a proximity switch 6, and optionally, a level sensor 7, a strain gauge load cell 8, a display panel 9, a keyboard and a mouse 10, and auxiliary devices connected to the controller 3. The direct current stabilized power supply 4 is also connected with a temperature sensor 5, a proximity switch 6, a level sensor 7 and a strain gauge load cell 8 for supplying power, and optionally, is also connected with other equipment needing power for supplying power. The controller 3 of this application realizes based on NC610 series, and controller 3 judges whether current state satisfies the basic operating condition that composite cement material 3D printed through the current state data that acquires each sensor collection, and controller 3 generates actual operation orbit through reading the USB flash disk model or drawing simple and easy model to realize high-efficient printing through control servo drive unit.

The servo driving unit comprises an x-axis servo driver 110, an x-axis servo motor 111, an x-axis encoder 112, a y-axis servo driver 113, a y-axis servo motor 114, a y-axis encoder 115, a z-axis servo driver 116, a z-axis servo motor 117, a z-axis encoder 118, a c-axis driver and a c-axis feeding motor 119, wherein the servo drivers, the servo motors and the encoders of all axes are sequentially connected, the encoders of all axes are arranged on motor shafts of the servo motors corresponding to all axes and connected with the servo drivers corresponding to all axes, the servo drivers of all axes are also connected with the controller 3, the c-axis feeding motor 119 is connected with a feeding part of the printing spray head 112, and the encoders 112, 115 and 118 are used for feeding back the operation positions of all axes of the servo motors.

The triaxial motion mechanism is carried on frame 1 and is connected with servo drive unit, print shower nozzle 2 and locate on the triaxial motion mechanism, realize xyz triaxial direction motion through triaxial motion mechanism, it is located triaxial motion mechanism and the below of printing shower nozzle 2 to print the layer board device, be used for depositing cement and print the piece, print the layer board device and include layer board 121, arrange the handle 122 of layer board side in, arrange the supporting wheel 123 and the fixed position baffle 124 of layer board lower surface in, it is optional, this application all is equipped with a supporting wheel 123 in four edges of layer board lower surface, make layer board 121 can remove, be convenient for take cement and print the piece, fixed position baffle 124 is located layer board 121 edge, play the effect of isolation and protection. The three-axis movement mechanism comprises an x-axis transmission mechanism, a y-axis transmission mechanism and a z-axis transmission mechanism, the x-axis transmission mechanism is arranged along the x-axis direction of the rack 1, the y-axis transmission mechanism and the x-axis transmission mechanism are vertically arranged along an xy plane, the y-axis transmission mechanism horizontally moves on the x-axis transmission mechanism along the x-axis direction, the z-axis transmission mechanism and the x-axis transmission mechanism, the y-axis transmission mechanism is vertically arranged along the z-axis direction, the z-axis transmission mechanism horizontally moves on the y-axis transmission mechanism along the y-axis direction, and the printing nozzle 2 is arranged on the z-axis transmission mechanism and vertically moves along the z-axis direction.

Specifically, the x-axis transmission mechanism includes two x-axis direction guide rails 130, an x-axis ball screw 131 and an x-axis coupler 132, the two ends of the x-axis direction guide rails 130 and the two ends of the x-axis ball screw 131 are all arranged on the rack 1 along the x-axis direction, the two x-axis direction guide rails 130 are arranged oppositely, and one end of the x-axis ball screw 131 is connected with the x-axis servo motor 111 in the servo drive unit through the x-axis coupler 132. The y-axis transmission mechanism comprises a y-axis direction guide rail 133, a y-axis ball screw 134 and a y-axis coupler 135, the y-axis direction guide rail 133 and the y-axis ball screw 134 are arranged on a y-axis support beam 136 of the machine frame 1, the y-axis support beam 136 is distributed along the y-axis direction, two ends of the y-axis support beam 136 are respectively arranged on the two x-axis direction guide rails 130, the y-axis support beam 136 is sleeved on the x-axis ball screw 131, and one end of the y-axis ball screw 134 is connected with a y-axis servo motor 114 in the servo drive unit through the y-axis coupler 135. The z-axis transmission mechanism comprises a z-axis direction optical axis 137, a z-axis ball screw 138, a z-axis coupler 139, a z-axis support frame 140, a z-axis transmission table 141 and a z-axis connecting piece 142, wherein the z-axis direction optical axis 137 and the z-axis ball screw 138 are arranged on the z-axis support frame 140 distributed along the z-axis direction, the z-axis transmission table 141 is sleeved on the z-axis direction optical axis 137 and is fixedly connected with the z-axis connecting piece 142, the z-axis support frame 140 is arranged on the y-axis direction guide rail 133 through the z-axis connecting piece 142 and is sleeved on the y-axis ball screw 134, one end of the z-axis ball screw 138 is connected with a z-axis servo motor 117 in the servo driving unit through the z-axis coupler 139, and the printing nozzle 2 is arranged on the z-axis direction optical axis 137 and is sleeved on the z-axis ball screw 138. The axial direction guide rails 130 and 133 and the z-axis direction optical axis 137 are used for limiting the movement locus of each axis, and the proximity switch 6 is installed at the set limit position of the three-axis movement mechanism, specifically, at the set limit position (not shown in the figure) of the axial direction guide rails 130 and 133 and the z-axis direction optical axis 137, respectively, and is used for limiting the movement position of the three-axis movement mechanism.

The temperature sensor 5 is realized based on WEISI TS-FTM01 model, the level sensor 7 is realized based on Mishi HVT110T model, the strain gauge force cell sensor 8 is realized based on BUFFSON SMF-103 model, the three are all installed on the printing nozzle 2, the temperature sensor 5 is used for detecting the ambient temperature, the level sensor 7 is used for detecting the inclination angle state of a nozzle state and a printing piece storage plate, the strain gauge force cell sensor 8 is used for measuring the extrusion amount of liquid material, the printing process is ensured to be at the temperature suitable for printing of the liquid material, the precision of the cement printing piece and the mechanical property of the printing piece are improved, the device makes adaptive adjustment according to the change of working environment in the aspect of cement material molding, and the device has better robustness. The display panel 9 is used for displaying real-time printing data of the device, the real-time printing data comprises the name of a cement printing piece, the structure of the cement printing piece, the coordinate position of a current printing nozzle, the current printing service time, the current liquid material using amount and the current detection result of each sensor, and the display panel 9 is matched with the keyboard and the mouse 10 and is also used for creating basic information of a required composite material printing piece. The auxiliary equipment comprises an indicator light 11, a fan 12 and a fluorescent lamp 13, wherein the indicator light 11 is used for prompting the running condition of the device, the fan 12 is used for radiating heat of the controller 3 and the servo driving unit, and the fluorescent lamp 13 is used for illuminating an electric cabinet provided with the controller 3. It should be noted that other sensors or devices adopted in the present application are all existing modules, and the internal structure thereof is not described in detail herein.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims

1. A3D printer device for composite cement materials based on three-axis motion is characterized by comprising a rack, a three-axis motion mechanism, a printing nozzle, a printing supporting plate device, a controller, a direct-current stabilized voltage power supply, a servo driving unit, a temperature sensor and a proximity switch, wherein the direct-current stabilized voltage power supply, the servo driving unit, the temperature sensor and the proximity switch are connected with the controller; the direct current stabilized power supply is also connected with the temperature sensor and the proximity switch and used for providing power supply; the three-axis movement mechanism is carried on the rack and connected with the servo drive unit, the printing nozzle is arranged on the three-axis movement mechanism, the three-axis movement mechanism realizes the movement in the xyz three-axis direction, the printing support plate device is positioned below the three-axis movement mechanism and the printing nozzle and is used for storing cement printing pieces, the printing support plate device comprises a support plate, a handle arranged on the side edge of the support plate, a support wheel arranged on the lower surface of the support plate and a fixed position baffle plate, and the fixed position baffle plate is positioned at one edge of the support plate and plays a role in isolation and protection; the temperature sensor is arranged on the printing spray head and used for detecting the ambient temperature; the proximity switch is arranged at a set limit position of the three-axis movement mechanism and used for limiting the movement position of the three-axis movement mechanism.

2. The composite cement material 3D printer device based on three-axis motion as claimed in claim 1, wherein the three-axis motion mechanism comprises an x-axis transmission mechanism, a y-axis transmission mechanism and a z-axis transmission mechanism, the x-axis transmission mechanism is arranged along the x-axis direction of the rack, the y-axis transmission mechanism and the x-axis transmission mechanism are arranged vertically along the xy plane, the y-axis transmission mechanism moves horizontally along the x-axis direction on the x-axis transmission mechanism, the z-axis transmission mechanism and the x-axis transmission mechanism and the y-axis transmission mechanism are arranged vertically along the z-axis direction, the z-axis transmission mechanism moves horizontally along the y-axis direction on the y-axis transmission mechanism, and the printing nozzle is arranged on the z-axis transmission mechanism and moves up and down along the z-axis direction.

3. The 3D printer device for composite cement materials based on three-axis motion as claimed in claim 2, wherein the x-axis transmission mechanism comprises two x-axis direction guide rails, an x-axis ball screw and an x-axis coupler, two ends of the x-axis direction guide rails and two ends of the x-axis ball screw are both arranged on the rack along the x-axis direction, the two x-axis direction guide rails are arranged oppositely, and one end of the x-axis ball screw is connected with an x-axis servo motor in the servo drive unit through the x-axis coupler; the y-axis transmission mechanism comprises y-axis direction guide rails, y-axis ball screws and y-axis couplers, the y-axis direction guide rails and the y-axis ball screws are arranged on a y-axis support beam of the rack, the y-axis support beams are distributed along the y-axis direction, two ends of the y-axis support beam are respectively positioned on the two x-axis direction guide rails and sleeved on the x-axis ball screws, and one end of the y-axis ball screw is connected with a y-axis servo motor in the servo driving unit through the y-axis couplers; the z-axis transmission mechanism comprises a z-axis direction optical axis, a z-axis ball screw, a z-axis coupler, a z-axis support frame, a z-axis transmission table and a z-axis connecting piece, the z-axis direction optical axis and the z-axis ball screw are arranged on the z-axis support frame distributed along the z-axis direction, the z-axis transmission table is sleeved on the z-axis direction optical axis and fixedly connected with the z-axis connecting piece, the z-axis support frame is arranged on the y-axis direction guide rail through the z-axis connecting piece and sleeved on the y-axis ball screw, one end of the z-axis ball screw is connected with a z-axis servo motor in the servo driving unit through the z-axis coupler, and the printing spray head is arranged on the z-axis direction optical axis and sleeved on the z-axis ball screw; the direction guide rails of each axis and the optical axis of the z-axis direction are used for limiting the motion trail of each axis, and the proximity switches are respectively arranged at the set limit positions of the direction guide rails of each axis and the optical axis of the z-axis direction.

4. The composite cement material 3D printer device based on three-axis movement as claimed in claim 1, wherein the servo drive unit comprises an x-axis servo driver, an x-axis servo motor, an x-axis encoder, a y-axis servo driver, a y-axis servo motor, a y-axis encoder, a z-axis servo driver, a z-axis servo motor, a c-axis driver and a c-axis feeding motor, the servo drivers, the servo motors and the encoders of the axes are connected in sequence, the encoder of each axis is arranged on a motor shaft of the servo motor corresponding to each axis and connected with the servo driver corresponding to each axis, the servo driver of each axis is further connected with the controller, the c-axis feeding motor is connected with the feeding portion of the printing nozzle, and the encoder is used for feeding back the operation position of the servo motor of each axis.

5. The 3D printer device for composite cement materials based on three-axis motion of claim 1, further comprising a level sensor and a strain gauge load cell connected to the controller, wherein the level sensor and the strain gauge load cell are powered by the DC stabilized power supply, the level sensor and the strain gauge load cell are mounted on the printing nozzle, the level sensor is used for detecting the nozzle state and the inclination angle state of a printing piece storage plate, and the strain gauge load cell is used for measuring the extrusion amount of liquid materials.

6. The three-axis motion-based composite cement material 3D printer device as claimed in claim 1, further comprising a display panel and a keyboard mouse connected to said controller, said display panel being used for displaying real-time printing data of said device, said display panel cooperating with said keyboard mouse being further used for creating basic information of a desired composite material print.

7. The composite cement material 3D printer device based on three-axis motion as claimed in claim 1, further comprising auxiliary equipment connected with the controller, wherein the auxiliary equipment comprises an indicator light, a fan and a fluorescent lamp, the indicator light is used for prompting the operation condition of the device, the fan is used for radiating heat of the controller and the servo driving unit, and the fluorescent lamp is used for lighting an electrical cabinet provided with the controller.