CN216182796U - All-round cooling printing tool head - Google Patents
All-round cooling printing tool head Download PDFInfo
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- CN216182796U CN216182796U CN202121911068.7U CN202121911068U CN216182796U CN 216182796 U CN216182796 U CN 216182796U CN 202121911068 U CN202121911068 U CN 202121911068U CN 216182796 U CN216182796 U CN 216182796U
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- tool head
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Abstract
The utility model relates to an omnibearing cooling printing tool head which comprises a stock bin, a stock bin bottom plate, a feeding channel, a discharging baffle, a heating pipe, a feeding assembly, a nozzle, a mechanical arm linking block and a cooling assembly, wherein the cooling assembly comprises a cooling assembly fixing unit, a plurality of air guide shells, a fan and an air nozzle, wherein the air guide shells are arranged around the nozzle and fixedly connected to the cooling assembly fixing unit; the fans are arranged in the air guide shells, and generate air flow in the air guide shells; the tuyere is arranged at the tail end of the air guide shell, and air flow generated by the air guide shell is sprayed out from the tuyere to cool materials extruded by the nozzle in real time. Compared with the prior art, the utility model can cool the material extruded by the nozzle in all directions, can change the wind speed by adjusting the frequency converter, realizes the specific cooling speed, and monitors the temperature of the extruded material in real time by the infrared temperature detector so as to match the corresponding rotating speed of the fan.
Description
Technical Field
The utility model relates to the technical field of robot number control processing, in particular to an all-dimensional cooling printing tool head.
Background
The 3D printing technique is to create a 3D entity by adding material layer by layer using layered processing, additive forming. Firstly, a three-dimensional model of a required part is designed by using a computer, then the model is dispersed into a series of ordered units according to a certain rule according to the process requirement, and the model is generally dispersed in the Z direction according to a certain thickness, so that the original three-dimensional CAD model is changed into a series of layers; then inputting processing parameters according to the contour information of each layer sheet, and then automatically generating numerical control codes after the system; finally, a three-dimensional physical entity is obtained by forming a series of plies and automatically connecting them.
After the material is heated, it is extruded from a nozzle and then cooled for a certain period of time to be finally shaped. Typically, cooling takes some time to cool before setting. If the second layer is sprayed directly while the previous layer is not yet substantially cured, this can lead to collapse of the material. When the space frame structure is printed, the material needs curing time and must be supported, or the nozzle is moved at a very slow speed to form a suspended structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a rapid cooling printing tool head which is simple and convenient to use and simple in structure and is applied to 3D printing, and the rapid and convenient printing of a space structure and a short-path model is realized by improving the cooling speed.
The purpose of the utility model can be realized by the following technical scheme:
the utility model aims to protect an omnibearing cooling printing tool head, which comprises a storage bin, a storage bin bottom plate, a feeding channel, a discharging baffle, a heating pipe, a feeding assembly, a nozzle, a mechanical arm linking block and a cooling assembly, wherein the cooling assembly comprises a cooling assembly fixing unit, a plurality of air guide shells, a fan and an air nozzle, and specifically:
the plurality of air guide shells are arranged around the nozzle and fixedly connected to the cooling component fixing unit;
the fans are arranged in the air guide shells, and generate air flow in the air guide shells;
the tuyere is arranged at the tail end of the air guide shell, and air flow generated by the air guide shell is sprayed out from the tuyere to cool materials extruded by the nozzle in real time.
Further, the number of the cooling assemblies is 3-10.
Furthermore, the air guide shell is uniformly wound around the nozzle, and the heights of the air nozzles are the same.
Furthermore, the cooling assembly further comprises a frequency converter, the power input end of the frequency converter is connected with an external power supply, and the power output end of the frequency converter is electrically connected with the motor of each fan.
Furthermore, the cooling assembly further comprises an MCU arranged on the cooling assembly fixing unit, and the MCU is electrically connected with the frequency converter.
Furthermore, the cooling assembly further comprises an MCU and an infrared temperature detector arranged on the cooling assembly fixing unit, and the infrared temperature detector is electrically connected with the MCU.
Further, the cooling module fixing unit includes a sliding shaft and a fan base plate, the sliding shaft is fixed on the mechanical arm link block, the fan base plate is fixed on the sliding shaft, and the air guide housing is fixed on the fan base plate.
Furthermore, a T-shaped shaft clamp is arranged on the sliding shaft and fixed on the mechanical arm link block.
Furthermore, a rhombic shaft clamp is further arranged on the T-shaped shaft clamp and fixedly connected with the fan base plate.
Furthermore, the feeding assembly comprises a motor, a speed reducing mechanism and a screw rod, wherein the output end of the motor is connected with the input end of the speed reducing mechanism, the output end of the speed reducing mechanism is connected with the end part of the screw rod, and the screw rod feeds the raw material flowing out of the feeding channel into the heating pipe.
Compared with the prior art, the utility model has the following technical advantages:
1) to the demand of accelerated cooling, this all-round cooling printing tool head has been developed, has realized the printing of quick convenient spatial structure and short path model through improving cooling rate.
2) This technical scheme can 360 all-round materials extruded to the nozzle cool off, and the accessible is adjusted the converter and is changed the wind speed, realizes specific cooling rate to monitor the temperature of extruding the material in real time through infrared thermoscope, with this matching corresponding fan speed, the structure is succinct, and the flexible operation is simple.
Drawings
FIG. 1 is a structural representation (front view) of the present invention;
FIG. 2 is a structural representation (top view) of the present invention;
FIG. 3 is a structural representation (left side view) of the present invention;
FIG. 4 is a structural illustration (perspective) of the present invention;
reference numbers in the figures: 1, a stock bin; 2, a bin bottom plate; 3 a feed channel; 4, a discharge baffle; 5 heating the tube; 6 a fan base plate; 7, a fan; 8, an air nozzle; 9 a nozzle adapter; 10 a nozzle; 11, a motor; 12 a speed reducing mechanism; 13 screw rod; 14 a robotic arm linkage block; 15 baffle plates; a 16T-shaped shaft clamp; 17 a slide shaft; 18 diamond shaped shaft clamp.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, and features such as component types, material names, connection structures, and the like which are not explicitly described in the technical solutions are all regarded as common technical features disclosed in the prior art.
As shown in fig. 1 to 4, the feeding device is composed of a bin 1, a bin bottom plate 2, a feeding channel 3, a discharging baffle 4, a heating pipe 5, a fan base plate 6, a fan 7, an air nozzle 8, a nozzle joint 9, a nozzle 10, a motor 11, a speed reducing mechanism 12, a screw 13, a mechanical arm link block 14, a baffle 15, a T-shaped shaft clamp 16, a sliding shaft 17 and a diamond-shaped shaft clamp 18. Wherein the shutter 15 is connected to the robot arm link block 14.
The cooling assembly in this technical scheme includes that cooling assembly fixes unit, a plurality of wind-guiding casing, fan 7, tuyere 8, and cooling assembly is equipped with 3 ~ 10. Wherein, a plurality of air guide shells are arranged around the nozzle 10 and are fixedly connected with the cooling component fixing unit; the fans 7 are provided in the respective air guide casings, and generate an air flow in the air guide casings. The air nozzle 8 is arranged at the tail end of the air guide shell, and air flow generated by the air guide shell is sprayed out from the air nozzle 8 to cool the material extruded by the nozzle 10 in real time.
In specific implementation, the air guide shell is of a cylindrical rigid shell structure, is uniformly wound around the nozzle 10, and enables the heights of the air nozzles 8 to be the same, so that air flow is uniformly generated around the nozzle 10, and uniform cooling is realized.
The cooling assembly further comprises a frequency converter, the power input end of the frequency converter is connected with an external power supply, and the power output end of the frequency converter is electrically connected with the motors of the fans 7. The cooling assembly further comprises an MCU arranged on the cooling assembly fixing unit, and the MCU is electrically connected with the frequency converter. The cooling assembly further comprises an MCU and an infrared temperature detector arranged on the cooling assembly fixing unit, and the infrared temperature detector is electrically connected with the MCU. Therefore, the air speed is changed by adjusting the frequency converter, the specific cooling speed is realized, and the temperature of the extruded material is monitored in real time by the infrared temperature detector so as to match with the corresponding rotating speed of the fan, so that the structure is simple, and the operation is flexible and simple.
The cooling assembly fixing unit comprises a sliding shaft 17 and a fan substrate 6, the sliding shaft 17 is fixed on the mechanical arm link block 14, the fan substrate 6 is fixed on the sliding shaft 17, and the air guide shell is fixed on the fan substrate 6. The sliding shaft 17 is provided with a T-shaped shaft clamp 16, and the T-shaped shaft clamp 16 is fixed on the mechanical arm link block 14. The T-shaped shaft clamp 16 is further provided with a diamond-shaped shaft clamp 18, and the diamond-shaped shaft clamp 18 is fixedly connected with the fan base plate 6.
The feeding component comprises a motor 11, a speed reducing mechanism 12 and a screw 13, wherein the output end of the motor 11 is connected with the input end of the speed reducing mechanism 12, the output end of the speed reducing mechanism 12 is connected with the end part of the screw 13, and the screw 13 feeds the raw material flowing out of the feeding channel 3 into the heating pipe 5. The speed reducing mechanism 12 may be an existing speed reducer.
The working process is as follows:
3D prints the substrate and passes through feedstock channel entering heating pipe in the feed bin, then by motor drive reduction gears, drives the screw rod and sends the material into the heating pipe, extrudees the material that has heated simultaneously, makes it become fluid form material, is extruded the material that the nozzle realized 3D and prints at last and piles up.
The fans 7 are connected with the air nozzles 8 and fixed on the fan base plate to form all-dimensional surrounding to the nozzles 360, and air outlets of the air nozzles are flat to expand the air blowing range. The printing material in the silo 1 enters the heating pipe 5 through the feeding channel 3. The motor 11 drives the speed reducing mechanism 12, the screw 13 is driven to extrude the material into the heating pipe 5, the material is uniformly heated by stirring, and the material is extruded out of the nozzle 10 to realize 3D printing. Wherein fan 7 passes through the control of converter, adjusts the wind speed to realize the rotational speed through temperature feedback and match, 360 degrees blast cooling extrude the material from 10 in the nozzle, realize quick cooling and solidification. The fan adjusts the wind speed according to the frequency of the controller, and the proper wind speed is selected according to the material characteristics and the printing requirements (small-sized objects or space support structures) to achieve the purpose of rapidly cooling and placing the collapsed and bent materials.
The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides an all-round cooling printing tool head, includes feed bin (1), feed bin bottom plate (2), feedstock channel (3), blowing baffle (4), heating pipe (5), feed subassembly, nozzle (10) and arm chain link piece (14), its characterized in that still includes cooling module, cooling module includes:
a cooling member fixing unit;
a plurality of air guide shells which are arranged around the nozzle (10) and are fixedly connected to the cooling component fixing unit;
fans (7) provided in the respective air guide casings and generating an air flow in the air guide casings;
and the air nozzle (8) is arranged at the tail end of the air guide shell, and air flow generated by the air guide shell is sprayed out from the air nozzle (8) to cool the material extruded by the nozzle (10) in real time.
2. The omni-directional cooling printing tool head according to claim 1, wherein there are 3 to 10 cooling assemblies.
3. The omni-directional cooling printing tool head according to claim 1, wherein the air guide casing is uniformly wound around the nozzle (10) and the heights of the air nozzles (8) are the same.
4. The omni-directional cooling printing tool head according to claim 1, wherein the cooling assembly further comprises a frequency converter, the power input end of the frequency converter is connected with an external power supply, and the power output end of the frequency converter is electrically connected with the motor of each fan (7).
5. The omni-directional cooling printing tool head according to claim 4, wherein the cooling assembly further comprises an MCU disposed on the cooling assembly fixing unit, the MCU being electrically connected to the frequency converter.
6. The omni-directional cooling printing tool head according to claim 5, wherein the cooling assembly further comprises an MCU and further comprises an infrared temperature detector arranged on the cooling assembly fixing unit, and the infrared temperature detector is electrically connected with the MCU.
7. The head as claimed in claim 1, wherein the cooling unit fixing unit comprises a sliding shaft (17) and a fan base plate (6), the sliding shaft (17) is fixed to the robot arm link block (14), the fan base plate (6) is fixed to the sliding shaft (17), and the air guide housing is fixed to the fan base plate (6).
8. The omni directional cooling printing tool head according to claim 7, wherein the sliding shaft (17) is provided with a T-shaped shaft clamp (16), and the T-shaped shaft clamp (16) is fixed on the mechanical arm link block (14).
9. The omni-directional cooling printing tool head according to claim 8, wherein a diamond-shaped shaft clamp (18) is further arranged on the T-shaped shaft clamp (16), and the diamond-shaped shaft clamp (18) is fixedly connected with the fan base plate (6).
10. The head as claimed in claim 1, wherein the feeding assembly comprises a motor (11), a speed reducing mechanism (12), and a screw (13), an output end of the motor (11) is connected to an input end of the speed reducing mechanism (12), an output end of the speed reducing mechanism (12) is connected to an end of the screw (13), and the screw (13) feeds the material flowing out from the feeding passage (3) into the heating pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121911068.7U CN216182796U (en) | 2021-08-16 | 2021-08-16 | All-round cooling printing tool head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121911068.7U CN216182796U (en) | 2021-08-16 | 2021-08-16 | All-round cooling printing tool head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182796U true CN216182796U (en) | 2022-04-05 |
Family
ID=80916128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121911068.7U Active CN216182796U (en) | 2021-08-16 | 2021-08-16 | All-round cooling printing tool head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182796U (en) |
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2021
- 2021-08-16 CN CN202121911068.7U patent/CN216182796U/en active Active
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