CN212555063U - 3D prints shower nozzle with quick replacement nozzle - Google Patents
3D prints shower nozzle with quick replacement nozzle Download PDFInfo
- Publication number
- CN212555063U CN212555063U CN202021119238.3U CN202021119238U CN212555063U CN 212555063 U CN212555063 U CN 212555063U CN 202021119238 U CN202021119238 U CN 202021119238U CN 212555063 U CN212555063 U CN 212555063U
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- fan
- nozzle
- hole
- bottom plate
- feeding
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Abstract
The utility model discloses a spray head capable of replacing nozzles for 3D printing, which comprises a nozzle assembly, a motor, a feeding assembly, a bottom plate, a fan assembly and at least two square bearings; the both ends of bottom plate are installed respectively on two at least square bearings, and the motor is installed on the bottom plate, and feeding subassembly suit is on the rotor of motor, and the one end and the nozzle assembly of feeding subassembly are connected, have seted up the through-hole on the bottom plate, and nozzle assembly passes the through-hole, and fan unit mount is on the bottom plate. The utility model provides a but quick replacement nozzle, but and 3D who has good heat dissipation function prints shower nozzle with quick replacement nozzle.
Description
Technical Field
The utility model belongs to the technical field of the 3D printer, especially, relate to a but 3D prints shower nozzle with quick replacement nozzle.
Background
3D printer is more and more common in our life, and the wide application is in each field, and present 3D printer theory of operation is for rolling up the raw materials on the charging tray, and the raw materials is directly drawn forth from the charging tray and is led into to the shower nozzle in, then carries out follow-up operations such as heating. And the smoothness of the extruded material and the temperature of the discharged material directly influence the precision of 3D printing.
However, if the temperature of the spray head is too high, other parts can be dissolved and burnt, the cooling effect of the spray head in the prior art is limited, the working time of the spray head of the printer is limited, and the nozzle is not easy to replace.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art and not enough, the utility model aims to provide a but quick replacement nozzle and can effectively prolong the shower nozzle that 3D printing of length of operation was with quick replacement nozzle.
The technical scheme of the utility model as follows: a spray head capable of rapidly replacing nozzles for 3D printing comprises a nozzle assembly, a motor, a feeding assembly, a bottom plate, a fan assembly and at least two square bearings;
the both ends of bottom plate are installed respectively on two at least square bearings, and the motor is installed on the bottom plate, and feeding subassembly suit is on the rotor of motor, and the one end and the nozzle assembly of feeding subassembly are connected, have seted up the through-hole on the bottom plate, and nozzle assembly passes the through-hole, and fan unit mount is on the bottom plate.
Preferably, the nozzle component comprises a nozzle, a connecting sleeve, a heating block, a throat pipe, a radiating fin and a jackscrew, one end of the connecting sleeve is connected with the nozzle, the other end of the connecting sleeve is connected with the throat pipe, a first through hole and a second through hole are respectively formed in the radiating fin along the longitudinal direction and the transverse direction of the radiating fin, the throat pipe penetrates through the first through hole, the jackscrew extends into the second through hole and fastens the throat pipe, and the heating block is sleeved on the outer side of one end, close to the throat pipe, of the nozzle.
Preferably, the feeding assembly comprises a feeding plate, a first extrusion wheel, a second extrusion wheel, a first bracket, a second bracket and a spring, and the motor comprises a motor rotor;
the first extrusion wheel is sleeved on the motor rotor, the feeding plate is provided with a third through hole and a fourth through hole which are intersected, the feeding plate is sleeved outside the first extrusion wheel through the third through hole, the second extrusion wheel is arranged in the fourth through hole, and the first extrusion wheel is contacted with the second extrusion wheel;
the first support and the second support are arranged on one side, away from the motor, of the feeding plate, the first end of the spring is connected with one end of the first support, the second end of the spring is connected with the second support, and the other end of the first support is connected with the second extrusion wheel.
Preferably, the feeding plate is provided with a through feeding hole along the common tangential direction of the third through hole and the fourth through hole, and the width of the intersection of the third through hole and the fourth through hole is 1.7 mm.
Preferably, one side of the first support is in contact with the second extrusion wheel, the first end of the spring is higher than the second end of the spring, and the spring and the horizontal plane form an included angle.
Preferably, the spring forms an angle with the horizontal in the range of 30 ° to 60 °.
Preferably, the fan assembly includes a first fan, a second fan, a third fan, a fourth fan and a fifth fan, the first fan and the second fan are respectively located at two ends of the bottom plate close to the square bearing, the third fan and the fourth fan are respectively located at two ends of the bottom plate close to the nozzle, and the fifth fan is located at one side of the bottom plate close to the heat sink.
Preferably, the air guide structure further comprises two air guide structures, and the two air guide structures are respectively installed on one sides, close to the nozzle, of the third fan and the fourth fan.
Compared with the prior art, the utility model has the advantages of:
(1) the nozzle of the utility model adopts the jackscrew to connect with the radiating fin, only the jackscrew needs to be unscrewed when the nozzle is replaced, which is convenient and fast, and the nozzle is not damaged;
(2) the utility model is provided with the fan assembly, so that the shower nozzle which can rapidly replace the nozzle for 3D printing can keep good heat dissipation, and the working time of the shower nozzle is effectively prolonged;
(3) the utility model discloses simple structure, convenient quick replacement shower nozzle and nozzle use manpower sparingly, make the staff can be more convenient, swift, labour saving and time saving in operation process.
Drawings
Fig. 1 is a schematic structural diagram of a nozzle head capable of rapidly replacing a nozzle for 3D printing according to the present invention;
fig. 2 is an exploded view of a nozzle head of the present invention for 3D printing with a quick replaceable nozzle;
fig. 3 is a schematic structural view of the bottom plate of the present invention;
fig. 4 is a schematic structural view of the feeding plate of the present invention;
fig. 5 is a partial schematic structural view of the nozzle assembly of the present invention;
description of reference numerals:
1-nozzle component, 1-1-nozzle, 1-2-connecting sleeve, 1-3-heating block and 1-4-throat pipe;
1-5-radiating fins, 1-5-1-first through holes, and 1-5-2-second through holes;
2-motor, 2-1-motor rotor;
3-a feeding assembly, 3-1-a feeding plate, 3-1-1-a third through hole, 3-1-2-a fourth through hole and 3-1-3-a feeding hole;
3-2-first extrusion wheel, 3-3-second extrusion wheel, 3-4-first support, 3-5-second support, 3-6-spring;
4-a bottom plate;
5-fan assembly, 5-1-first fan, 5-2-second fan, 5-3-third fan, 5-4-fourth fan, 5-5-fifth fan;
6-square bearing;
7-wind guide structure.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that can be achieved.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, it shows a specific embodiment of the present invention: a spray head capable of rapidly replacing nozzles for 3D printing comprises a nozzle assembly 1, a motor 2, a feeding assembly 3, a bottom plate 4, a fan assembly 5 and at least two square bearings 6;
two ends of a bottom plate 4 are respectively installed on at least two square bearings 6, a motor 2 is installed on the bottom plate 4, a feeding component 3 is sleeved on a rotor of the motor 2, one end of the feeding component 3 is connected with a nozzle component 1, a through hole is formed in the bottom plate 4, the nozzle component 1 penetrates through the through hole, and a fan component 5 is installed on the bottom plate 4. The purpose of the stepped design of the base plate 4 is to make it more compact to assemble with other parts and to reduce the area of the base plate 4 for weight reduction.
Specifically, the nozzle component 1 comprises a nozzle 1-1, a connecting sleeve 1-2, a heating block 1-3, a throat pipe 1-4, a radiating fin 1-5 and a jackscrew, one end of the connecting sleeve 1-2 is connected with the nozzle 1-1, the other end of the connecting sleeve is connected with the throat pipe 1-4, the radiating fin 1-5 is respectively provided with a first through hole 1-5-1 and a second through hole 1-5-2 along the longitudinal direction and the transverse direction, the throat pipe 1-4 penetrates through the first through hole 1-5-1, the jackscrew extends into the second through hole 1-5-2 and fastens the throat pipe 1-4, and the heating block 1-3 is sleeved on the outer side of one end, close to the throat pipe 1-4, of the nozzle 1-1. The nozzle 1-1 is fixed through the jackscrew, and only the jackscrew needs to be unscrewed and then the nozzle 1-1 is pulled out during disassembly.
Specifically, the feeding assembly 3 comprises a feeding plate 3-1, a first extrusion wheel 3-2, a second extrusion wheel 3-3, a first bracket 3-4, a second bracket 3-5 and a spring 3-6, and the motor 2 comprises a motor rotor 2-1;
the first extrusion wheel 3-2 is sleeved on the motor rotor 2-1, the feeding plate 3-1 is provided with a third through hole 3-1-1 and a fourth through hole 3-1-2 which are intersected, the feeding plate 3-1 is sleeved on the outer side of the first extrusion wheel 3-2 through the third through hole 3-1-1, the second extrusion wheel 3-3 is arranged in the fourth through hole 3-1-2, and the first extrusion wheel 3-2 is contacted with the second extrusion wheel 3-3;
the first support 3-4 and the second support 3-5 are arranged on one side, away from the motor 2, of the feeding plate 3-1, the first end of the spring 3-6 is connected with one end of the first support 3-4, the second end of the spring is connected with the second support 3-5, and the other end of the first support 3-4 is connected with the second extrusion wheel 3-3.
Specifically, the feed plate 3-1 is provided with a feed hole 3-1-3 which is communicated along the common tangential direction of the third through hole 3-1-1 and the fourth through hole 3-1-2, and the width of the intersection of the third through hole 3-1-1 and the fourth through hole 3-1-2 is 1.7 mm. This is designed to prevent windrow. The side of the fourth through hole 3-1-2 far away from the third through hole 3-1-1 can also be designed to be approximately rectangular, so that the purposes of reducing materials and improving the stability of the feeding plate 3-1 are achieved.
The motor rotor 2-1 rotates to drive the first extrusion wheel 3-2 to rotate, the first extrusion wheel 3-2 drives the second extrusion wheel 3-3 to rotate, raw materials enter from the feeding hole 3-1-3, and the raw materials are guided into the throat pipe 1-4 through the rotation of the first extrusion wheel 3-2 and the second extrusion wheel 3-3.
Specifically, one side of the first support 3-4 is in contact with the second extrusion wheel 3-3, the first end of the spring 3-6 is higher than the second end of the spring 3-6, and the spring 3-6 forms an included angle with the horizontal plane. The spring 3-6 is in a compressed state, so that the first support 3-4 is stressed, and the second extrusion wheel 3-3 is stressed to be close to the first extrusion wheel 3-2, so that the material extrusion is more effective.
Specifically, the included angle formed by the springs 3-6 and the horizontal plane ranges from 30 degrees to 60 degrees. This angle ensures the force stability of the first support 3-4.
Specifically, the fan assembly 5 comprises a first fan 5-1, a second fan 5-2, a third fan 5-3, a fourth fan 5-4 and a fifth fan 5-5, wherein the first fan 5-1 and the second fan 5-2 are respectively positioned at two ends of the bottom plate 4 close to the square bearing 6, the third fan 5-3 and the fourth fan 5-4 are respectively positioned at two ends of the bottom plate 4 close to the nozzle 1-1, and the fifth fan 5-5 is positioned at one side of the bottom plate 4 close to the radiating fins 1-5. The first fan 5-1 is used for overall heat dissipation of the spray head, the second fan 5-2 is used for heat dissipation of the motor 2, the third fan 5-3 and the fourth fan 5-4 are used for heat dissipation of the nozzle 1-1, and the fifth fan 5-5 is used for heat dissipation of the nozzle 1-1, the throat pipe 1-1 and the heat dissipation fins 1-5.
Specifically, the air guide structure comprises two air guide structures 7, and the two air guide structures 7 are respectively arranged on one sides of the third fan 5-3 and the fourth fan 5-4 close to the nozzle 1-1. The guiding function of the air guide structure 7 can enable wind generated by the third fan 5-3 and the fourth fan 5-4 to be intensively blown to the nozzle 1-1, so that the service life of the nozzle 1-1 is prolonged, and the service cycle of the whole 3D printing spray head is prolonged.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (8)
1. The utility model provides a but 3D prints shower nozzle with quick replacement nozzle which characterized in that: the device comprises a nozzle assembly, a motor, a feeding assembly, a bottom plate, a fan assembly and at least two square bearings;
the both ends of bottom plate are installed respectively on two at least square bearings, and the motor is installed on the bottom plate, and feeding subassembly suit is on the rotor of motor, and the one end and the nozzle assembly of feeding subassembly are connected, have seted up the through-hole on the bottom plate, and nozzle assembly passes the through-hole, and fan unit mount is on the bottom plate.
2. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 1, wherein: the nozzle component comprises a nozzle, a connecting sleeve, a heating block, a throat pipe, a radiating fin and a jackscrew, one end of the connecting sleeve is connected with the nozzle, the other end of the connecting sleeve is connected with the throat pipe, a first through hole and a second through hole are respectively formed in the radiating fin along the longitudinal direction and the transverse direction of the radiating fin, the throat pipe penetrates through the first through hole, the jackscrew extends into the second through hole and fastens the throat pipe, and the heating block is sleeved on the outer side of one end, close to the throat pipe, of the nozzle.
3. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 2, wherein: the feeding assembly comprises a feeding plate, a first extrusion wheel, a second extrusion wheel, a first support, a second support and a spring, and the motor comprises a motor rotor;
the first extrusion wheel is sleeved on the motor rotor, the feeding plate is provided with a third through hole and a fourth through hole which are intersected, the feeding plate is sleeved outside the first extrusion wheel through the third through hole, the second extrusion wheel is arranged in the fourth through hole, and the first extrusion wheel is contacted with the second extrusion wheel;
the first support and the second support are arranged on one side, away from the motor, of the feeding plate, the first end of the spring is connected with one end of the first support, the second end of the spring is connected with the second support, and the other end of the first support is connected with the second extrusion wheel.
4. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 3, wherein: and a through feeding hole is formed in the feeding plate along the common tangential direction of the third through hole and the fourth through hole, and the width of the intersection of the third through hole and the fourth through hole is 1.7 mm.
5. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 4, wherein: one side of the first support is in contact with the second extrusion wheel, the first end of the spring is higher than the second end of the spring, and an included angle is formed between the spring and the horizontal plane.
6. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 5, wherein: the included angle formed by the spring and the horizontal plane ranges from 30 degrees to 60 degrees.
7. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 2, wherein: the fan assembly comprises a first fan, a second fan, a third fan, a fourth fan and a fifth fan, the first fan and the second fan are respectively positioned at two ends, close to the square bearing, of the bottom plate, the third fan and the fourth fan are respectively positioned at two ends, close to the nozzle, of the bottom plate, and the fifth fan is positioned on one side, close to the radiating fins, of the bottom plate.
8. The nozzle head capable of changing nozzles rapidly for 3D printing according to claim 7, wherein: the fan further comprises two air guide structures, and the two air guide structures are respectively installed on one sides, close to the nozzles, of the third fan and the fourth fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119238.3U CN212555063U (en) | 2020-06-17 | 2020-06-17 | 3D prints shower nozzle with quick replacement nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119238.3U CN212555063U (en) | 2020-06-17 | 2020-06-17 | 3D prints shower nozzle with quick replacement nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212555063U true CN212555063U (en) | 2021-02-19 |
Family
ID=74634916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021119238.3U Active CN212555063U (en) | 2020-06-17 | 2020-06-17 | 3D prints shower nozzle with quick replacement nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212555063U (en) |
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2020
- 2020-06-17 CN CN202021119238.3U patent/CN212555063U/en active Active
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