CN214872709U - Novel 3D printer is with full metal water-cooling beat printer head structure - Google Patents
Novel 3D printer is with full metal water-cooling beat printer head structure Download PDFInfo
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- CN214872709U CN214872709U CN202121517644.XU CN202121517644U CN214872709U CN 214872709 U CN214872709 U CN 214872709U CN 202121517644 U CN202121517644 U CN 202121517644U CN 214872709 U CN214872709 U CN 214872709U
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Abstract
The utility model discloses a novel 3D printer is with full metal water-cooling beats printer head structure, including radiator, choke, heating piece and nozzle, be connected through the connecting piece between radiator and the heating piece, the nozzle is worn to establish in the heating piece, and its upper end switches on with the choke of wearing to establish in radiator and heating piece. The heat radiator is also internally provided with a cooling water channel for circulating cooling water, the cooling water channel comprises a water inlet channel and a water outlet channel which are positioned on two sides of the throat and are parallel to each other, the water inlet channel and the water outlet channel are communicated through a through channel positioned between the water inlet channel and the water outlet channel, and the through channel is perpendicular to the water inlet channel and positioned on one side of the throat. Utilize the principle of cooling water circulation cooling, carry out outside circulative cooling to choke outside radiator, finally realize not softening the non-putty in the assurance consumptive material printing process with the radiator cooling of the printer head of high temperature heat preservation intracavity, realize the normal printing function of high temperature consumptive material.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field especially relates to a novel 3D is full metal water-cooling printhead structure for printer.
Background
The basic principle of the FDM-level 3D printer is that a motor drives an extrusion wheel, consumables are fed in a filamentous mode, pass through a radiator and a throat, are heated and melted into micron-sized filaments at a nozzle, and are stacked, solidified and molded according to the section outline of a 3D model along with the movement of a sprayer, and a real object part is finally formed. Wherein, the 3D printing head is composed of the heat radiator, the throat, the heating block and the nozzle.
With the popularization of industrial applications, the demand for different consumables is increasing, for example: high strength consumables, flexible consumables, and high temperature resistant consumables, among others. For printing of high-temperature consumables (such as PEEK and PEI materials), the 3D printing device must also have conditions for high-temperature printing: a heat preservation cavity. The temperature of a heat preservation cavity of FDM-grade 3D printing equipment in the current market is generally different between 100 ℃ and 200 ℃, and the temperature environment has higher requirement on the overall temperature resistance of a printing head suite.
The conventional FDM 3D printhead generally needs a cooling fan to cool the printhead, so as to avoid the situation that the consumables are unable to smoothly go down to the nozzle due to overheating of the throat. The heat dissipation fan is usually made of plastic, and includes wires wrapped by rubber insulation, and the like, and the plastic or rubber material will fail to work to different degrees in the temperature environment of 100-200 ℃, which will eventually cause the printing head to fail to work normally.
SUMMERY OF THE UTILITY MODEL
For overcoming the above-mentioned shortcoming, the utility model aims to provide a novel full metal water-cooling printhead structure is used to 3D printer utilizes the principle of cooling water circulation cooling, carries out the outside circulative cooling to the outside radiator of choke, finally realizes the radiator cooling of beating printer head in the high temperature heat preservation intracavity, guarantees that the consumptive material printing in-process does not soften not putty, realizes the normal print function of high temperature consumptive material.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a novel 3D printer is with full metal water-cooling beats printer head structure, includes radiator, choke, heating block and nozzle, be connected through the connecting piece between radiator and the heating block, the nozzle is worn to establish in the heating block, its upper end with wear to establish choke in radiator and the heating block switches on its characterized in that: still set up the cooling water course of circulation cooling water in the radiator, the cooling water course is including the inhalant canal and the exhalant canal that are located the choke both sides and are parallel to each other, inhalant canal and exhalant canal are through being located the through flow way intercommunication between the two, the through flow way just is located choke one side with inhalant canal is perpendicular.
The beneficial effects of the utility model reside in that: a cooling water channel is arranged in the heat radiation body, cooling water enters the heat radiation body through the water inlet flow channel and finally flows out of the water outlet flow channel through the through flow channel, and circulating circulation of the cooling water is achieved. Utilize the principle of cooling water circulation cooling, carry out outside circulative cooling to choke outside radiator, finally realize not softening the non-putty in the assurance consumptive material printing process with the radiator cooling of the printer head of high temperature heat preservation intracavity, realize the normal printing function of high temperature consumptive material.
Further, a water inlet and a water outlet which are respectively communicated with the water inlet flow channel and the water outlet flow channel are formed in the heat radiation body, and the water inlet and the water outlet are respectively in threaded connection with a water inlet pipe connector and a water outlet pipe connector. The water inlet pipe joint and the water outlet pipe joint are convenient for connecting the cooling water pipe.
Further, a sealing hole penetrating through the heat radiation body is further formed in the junction of the through flow passage and the water inlet flow passage or the water outlet flow passage, and a sealing ball is connected in the sealing hole in a sealing and pressing mode. The sealing ball is in compression joint with the heat radiation body to realize hard sealing of the cooling water channel.
Further, cooling water in the cooling water channel circulates under the action of an external cooling circulation device, the cooling circulation device comprises a cold water tank, a coil cooler and a circulating water pump, the cold water tank, the cooling water channel and the coil cooler are connected through a cooling water pipe to form a closed-loop channel, and the circulating water pump provides power for the closed-loop channel. The cooling water or the refrigerating fluid are arranged in the cooling water tank, the circulating water pump injects the cooling water into the high-temperature heat radiator during working, the cooling water takes away the heat of the heat radiator after passing through a cooling water channel in the cooling water, the cooling water flows out of the external coil cooler to dissipate heat, and finally flows into the cooling water tank to circulate next time, so repeatedly, the cooling water continuously brings out the heat of the heat radiator to cool the heat radiator, and the printing function of consumable materials of the printing head is completed.
Further, be provided with supply water mouth and return water mouth on the cold water tank, supply water mouth connects the intercommunication through outside condenser tube and inlet tube, the outlet pipe connects the import intercommunication through condenser tube and coil pipe cooler, coil pipe cooler's export passes through condenser tube and return water mouth intercommunication.
The throat pipe comprises a heat dissipation section, a heating section and a thin-wall pipe for connecting the heat dissipation section and the heating section, wherein the heat dissipation section and the heating section are made of red copper, the thin-wall pipe is made of stainless steel, the heat dissipation section is inserted into the heat dissipation body, and the heating section is inserted into the heating block. The thin-wall pipe plays a role in heat insulation and is in interference compression joint with the heat dissipation section and the heating section, and the throat pipe adopts a double-metal structure, so that the heat insulation and heat dissipation effects are improved, the thermal creep in the printing process is further eliminated, and the phenomenon of printing blockage is avoided.
Further, a longitudinal channel for inserting the heat dissipation section is arranged in the heat dissipation body, and a side edge jackscrew for locking the heat dissipation section is arranged on the side wall of the heat dissipation body. The heat dissipation section is in small clearance fit with a longitudinal channel of the heat dissipation body, the side jackscrew is locked in the heat dissipation body, and the heat dissipation section is tightly attached to the heat dissipation body to achieve sufficient heat dissipation.
Furthermore, the connecting pieces are symmetrically arranged on the heating block and are thin-walled capillary tubes, and two ends of each connecting piece are respectively matched with the heat radiator and the heating block and are axially locked through screws. The rigid connection of the heat radiation body and the heating block is ensured, the function of changing the nozzle by one hand is realized, and the convenience in disassembly and assembly of a user is ensured.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a half-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the print head and the cooling circulation device according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of an embodiment of the invention;
fig. 5 is a cross-sectional view of an embodiment of the present invention.
In the figure:
1. a heat sink; 11. a water inlet flow channel; 111. a water inlet pipe joint; 12. a water outlet flow channel; 121. a water outlet pipe joint; 13. a through flow channel; 14. a sealing ball; 2. a throat; 21. a heat dissipation section; 22. a thin-walled tube; 23. a heating section; 3. a heating block; 4. a nozzle; 5. a connecting member; 61. a cold water tank; 62. a coil cooler; 63. a water circulating pump; 64. a cooling water pipe; 7. and (5) side edge screw jacking.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to the attached drawings 1-5, the utility model discloses a novel full metal water-cooling beats printer head structure for 3D printer, including radiator 1, choke 2, heating block 3 and nozzle 4, radiator 1, choke 2, heating block 3 and nozzle 4 are the metalwork, do not have any plastics or low temperature rubber part, wholly can bear 500 ℃ high temperature. The radiator 1 is connected with the heating block 3 through a connecting piece 5, the nozzle 4 is arranged in the heating block 3 in a penetrating mode, and the upper end of the nozzle is communicated with the throat pipe 2 arranged in the radiator 1 and the heating block 3 in a penetrating mode.
The heat radiator 1 is further provided with a cooling water channel for circulating cooling water, the cooling water channel comprises a water inlet channel 11 and a water outlet channel 12 which are positioned on two sides of the throat pipe 2 and are parallel to each other, the water inlet channel 11 and the water outlet channel 12 are communicated through a through channel 13 positioned between the water inlet channel 11 and the water outlet channel, and the through channel 13 is perpendicular to the water inlet channel 11 and is positioned on one side of the throat pipe 2. A cooling water channel is arranged in the heat radiation body 1, cooling water enters the heat radiation body 1 through the water inlet flow channel 11 and finally flows out of the water outlet flow channel 12 through the through flow channel 13, and circulation of the cooling water is achieved. Utilize the principle of cooling water circulation cooling, carry out outside circulative cooling to 2 outside radiators 1 of choke pipes, finally realize the radiator 1 cooling of beating printer head in the high temperature heat preservation intracavity, guarantee that the consumptive material prints the in-process and does not soften the non-putty, realize the normal function of printing of high temperature consumptive material. The cooling water circulation speed in the cooling water channel is fast, the cooling efficiency is high, and the heat dissipation efficiency of the fan is improved by 50% compared with the fan in the same normal temperature environment.
The heat radiation body 1 is provided with a water inlet and a water outlet which are respectively communicated with the water inlet flow passage 11 and the water outlet flow passage 12, and the water inlet and the water outlet are respectively in threaded connection with a water inlet pipe joint 111 and a water outlet pipe joint 121. The water inlet pipe connection 111 and the water outlet pipe connection 121 facilitate the connection of the cooling water pipe 64. A sealing hole penetrating through the heat radiation body 1 is further formed at the junction of the through flow passage 13 and the water inlet flow passage 11 or the water outlet flow passage 12, and a sealing ball 14 is pressed in the sealing hole in a sealing mode. The sealing ball 14 is in pressure contact with the radiator 1 to realize hard sealing of the cooling water channel. The complete circulating cooling water channel is realized through the water inlet pipe joint 111, the water outlet pipe joint 121 and the side sealing ball 14, the structure is simple, and the cooling effect is good.
The cooling water in the cooling water channel circulates under the action of an external cooling circulation device, the cooling circulation device comprises a cold water tank 61, a coil cooler 62 and a circulating water pump 63, the cold water tank 61, the cooling water channel and the coil cooler 62 are connected through a cooling water pipe 64 to form a closed-loop channel, and the circulating water pump 63 provides power for the closed-loop channel. But be equipped with cooling water or refrigerant liquid in the water tank, circulating water pump 63 during operation is with cooling water injection high temperature radiator 1 in, the heat of radiator 1 is taken away after cooling water course in it to the cooling water, and flows and dispel the heat in external coil pipe cooler 62, finally flows into in the cooling water tank, carries out next circulation, so relapse, the cooling water constantly takes out the realization to the cooling of radiator 1 with the heat of radiator 1, the completion beats printer head's consumptive material and prints the function. The cooling circulation device can be remotely connected with the printing head, and is suitable for the printing requirement of the high-temperature cavity.
The cold water tank 61 is provided with a water supply port and a water return port, the water supply port is communicated with the water inlet pipe joint 111 through the external cooling water pipe 64, the water outlet pipe joint 121 is communicated with the inlet of the coil cooler 62 through the cooling water pipe 64, and the outlet of the coil cooler 62 is communicated with the water return port through the cooling water pipe 64. The cooling water pipe 64 is made of high-temperature resistant silica gel material and can resist the high temperature of 350 ℃.
The throat pipe 2 comprises a heat dissipation section 21, a heating section 23 and a thin-wall pipe 22 for connecting the heat dissipation section 21 and the heating section 23, the heat dissipation section 21, the thin-wall pipe 22 and the heating section 23 are sequentially arranged from top to bottom, and the thin-wall pipe 22 is in interference crimping with the heat dissipation section 21 and the heating section 23. The heat dissipation section 21 and the heating section 23 are made of red copper and have good heat conduction performance, and the thin-walled tube 22 is made of stainless steel and has a heat insulation effect. The heat radiation section 21 is inserted in the heat radiation body 1, and the heating section 23 is inserted in the heating block 3. The thin-wall pipe 22 plays a role in heat insulation, the double-metal structure of the throat pipe 2 improves heat insulation and heat dissipation effects, thermal creep in the printing process is further eliminated, and the phenomenon of printing material blockage is avoided. A longitudinal channel for inserting the heat dissipation section 21 is formed in the heat dissipation body 1, a side edge jackscrew 7 for locking the heat dissipation section is arranged on the side wall of the heat dissipation body 1, the end portion of the side edge jackscrew 7 extends into the longitudinal channel, and the heat dissipation section 21 is perpendicular to the axial direction of the heat dissipation section 21 and tightly propped against the heat dissipation section 21. The heat dissipation section 21 is in small clearance fit with the heat dissipation body 1, is locked in the heat dissipation body 1 by the side jackscrew 7, and is tightly attached to the heat dissipation body 1, so that sufficient heat dissipation is realized.
The heating block 3 is symmetrically provided with connecting pieces 5, the connecting pieces 5 are thin-wall capillaries, and two ends of the connecting pieces 5 are respectively matched with the heating body 1 and the heating block 3 and are axially locked through screws. The rigid connection between the heat radiation body 1 and the heating block 3 is ensured, the function of replacing the nozzle 4 by a single hand is realized, and the convenience in disassembly and assembly of a user is ensured.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel 3D printer is with full metal water-cooling beats printer head structure, includes radiator, choke, heating block and nozzle, be connected through the connecting piece between radiator and the heating block, the nozzle is worn to establish in the heating block, its upper end with wear to establish choke in radiator and the heating block switches on its characterized in that: still set up the cooling water course of circulation cooling water in the radiator, the cooling water course is including the inhalant canal and the exhalant canal that are located the choke both sides and are parallel to each other, inhalant canal and exhalant canal are through being located the through flow way intercommunication between the two, the through flow way just is located choke one side with inhalant canal is perpendicular.
2. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 1, wherein: the radiator is provided with a water inlet and a water outlet which are respectively communicated with the water inlet flow channel and the water outlet flow channel, and the water inlet and the water outlet are respectively in threaded connection with a water inlet pipe connector and a water outlet pipe connector.
3. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 1, wherein: the junction of the through flow passage and the water inlet flow passage or the water outlet flow passage is also provided with a sealing hole penetrating through the heat radiation body, and a sealing ball is pressed in the sealing hole in a sealing manner.
4. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 2, characterized in that: the cooling water in the cooling water channel circulates under the action of an external cooling circulation device, the cooling circulation device comprises a cold water tank, a coil cooler and a circulating water pump, the cold water tank, the cooling water channel and the coil cooler are connected through a cooling water pipe to form a closed-loop channel, and the circulating water pump provides power for the closed-loop channel.
5. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 4, wherein: be provided with water supply port and return water mouth on the cold water tank, water supply port passes through outside condenser tube and water inlet pipe joint intercommunication, the outlet pipe connects the import intercommunication through condenser tube and coil pipe cooler, coil pipe cooler's export is through condenser tube and return water mouth intercommunication.
6. The novel all-metal water-cooled printhead structure for a 3D printer according to any one of claims 1 to 3, wherein: the throat pipe comprises a heat dissipation section, a heating section and a thin-wall pipe for connecting the heat dissipation section and the heating section, the heat dissipation section and the heating section are made of red copper, the thin-wall pipe is made of stainless steel, the heat dissipation section is inserted into the heat dissipation body, and the heating section is inserted into the heating block.
7. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 6, wherein: the heat dissipation structure is characterized in that a longitudinal channel for inserting the heat dissipation section is arranged in the heat dissipation body, and a side edge jackscrew for locking the heat dissipation section is arranged on the side wall of the heat dissipation body.
8. The novel all-metal water-cooling printing head structure for the 3D printer according to claim 6, wherein: the connecting pieces are symmetrically arranged on the heating block and are thin-walled capillary tubes, and two ends of each connecting piece are respectively matched with the heat radiator and the heating block and are axially locked through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517644.XU CN214872709U (en) | 2021-07-05 | 2021-07-05 | Novel 3D printer is with full metal water-cooling beat printer head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517644.XU CN214872709U (en) | 2021-07-05 | 2021-07-05 | Novel 3D printer is with full metal water-cooling beat printer head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214872709U true CN214872709U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121517644.XU Active CN214872709U (en) | 2021-07-05 | 2021-07-05 | Novel 3D printer is with full metal water-cooling beat printer head structure |
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| Country | Link |
|---|---|
| CN (1) | CN214872709U (en) |
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2021
- 2021-07-05 CN CN202121517644.XU patent/CN214872709U/en active Active
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Effective date of registration: 20220414 Address after: 215000 building 4, 59 zoumatang Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Jiangsu ruilisi 3D Technology Co.,Ltd. Patentee after: Fitos 3D technology (Suzhou) Co., Ltd Address before: 215000 second floor, building 4, No. 59, zoumatang Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Fitos 3D technology (Suzhou) Co.,Ltd. |