CN211251352U - Print head and printing apparatus - Google Patents
Print head and printing apparatus Download PDFInfo
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- CN211251352U CN211251352U CN201922111541.2U CN201922111541U CN211251352U CN 211251352 U CN211251352 U CN 211251352U CN 201922111541 U CN201922111541 U CN 201922111541U CN 211251352 U CN211251352 U CN 211251352U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
A printing head and printing equipment comprises a shell, a constant temperature device and a board card, wherein the constant temperature device is in contact with the board card, the constant temperature device comprises a heat exchange block, a liquid inlet pipe, a liquid outlet pipe, a first circulating pump and a first radiator, one end of the heat exchange block is communicated with the liquid inlet pipe, the other opposite end of the heat exchange block is communicated with the liquid outlet pipe, one end of the first radiator is communicated with the liquid inlet pipe, the other opposite end of the first radiator is communicated with the liquid outlet pipe, the first circulating pump is arranged on the liquid inlet pipe or the liquid outlet pipe, and the first radiator, the liquid inlet pipe, the heat exchange block, the liquid outlet pipe and the first circulating pump are communicated to form a cooling passage; the shell encloses into a space, heat transfer piece, integrated circuit board all set up inside the shell, the radiator setting is in the shell is outside. The working temperature of the board card is ensured, and the service life of the precision element is prolonged.
Description
Technical Field
The utility model relates to a vibration material disk 3D printing apparatus field especially relates to a beat printer head and printing apparatus.
Background
3DP psammitolite printer print head portion, the control integrated circuit board belongs to accurate component, the operating temperature requirement is higher, the control integrated circuit board during operation can produce a large amount of heats, too much heat can influence the integrated circuit board life-span, and the integrated circuit board is worth expensive, can improve the printing cost, it is current to be open structure, and the printing material can have the raise dust phenomenon, the dust is attached to on accurate components such as control integrated circuit board in beating the printer head, and can also be attached to the shower nozzle inboardly, the integrated circuit board work has been hindered on the contrary by the dust cover like this, the dust removal work is more complicated, can influence follow-up integrated circuit board work on the one hand, on the.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a beat printer head and printing apparatus, the utility model discloses a technical problem of an aspect solution provides a take thermostatic device beat printer head, guarantees the operating temperature of integrated circuit board, prolongs accurate component life-span.
The utility model provides a technical scheme that its technical problem adopted is:
a printing head comprises a shell, a constant temperature device and a board card, wherein the constant temperature device is in contact with the board card and comprises a heat exchange block, a liquid inlet pipe, a liquid outlet pipe, a first circulating pump and a first radiator, one end of the heat exchange block is communicated with the liquid inlet pipe, the other opposite end of the heat exchange block is communicated with the liquid outlet pipe, one end of the first radiator is communicated with the liquid inlet pipe, the other opposite end of the first radiator is communicated with the liquid outlet pipe, the first circulating pump is arranged on the liquid inlet pipe or the liquid outlet pipe, and the first radiator, the liquid inlet pipe, the heat exchange block, the liquid outlet pipe and the first circulating pump are communicated to form a cooling passage; the shell encloses into a space, heat transfer piece, integrated circuit board all set up inside the shell, the radiator setting is in the shell is outside.
The thermostat is arranged on the board card, the board card belongs to a heat dissipation element, the board card works best in a room temperature environment, the working board card generally exceeds the room temperature and even reaches the warning temperature, and the service life of the board card is seriously influenced. When the board card needs to dissipate heat, the thermostatic device brings heat to the radiator through the cooling passage, and the printing head is a part moving at a high speed, so that the radiator outside the shell moves along with the printing head, a good heat dissipation effect can be achieved, and the working temperature of the board card can be guaranteed to be constant.
Preferably, the heat exchange block covers the board card to isolate the board card from the outside.
Because the shell of the printing head is open, dust is accumulated on the board card, the heat exchange block can be utilized to cover the board card, on one hand, the contact is better, so that the heat exchange is more complete, the heat dissipation effect is better, and on the other hand, the board card can be protected from being influenced by the dust.
Preferably, the first radiator includes fin, intercommunication route, the fin interval sets up, and has the gap between the fin, the gap run through the direction with it is unanimous to beat printer head direction of motion, the both ends of fin set up the intercommunication route, the intercommunication route will be adjacent the fin intercommunication sets up at both ends the intercommunication route of fin respectively in feed liquor pipe, drain pipe intercommunication, the feed liquor pipe with the level of fin intercommunication department is higher than the drain pipe with the level of fin intercommunication department.
The high-speed motion of printer head is beaten in the fin cooperation of this scheme, and the radiating effect is good, and the route extension radiating time of the form of turning back simultaneously for the heat dissipation is more complete. The liquid inlet pipe is arranged at the position, communicated with the radiating fins, of the liquid inlet pipe in a horizontal height mode, the liquid outlet pipe is arranged at the position, communicated with the radiating fins, of the liquid outlet pipe in a horizontal height mode, so that liquid can flow more smoothly, and the working pressure of the first circulating pump is reduced.
Preferably, the ink heating device comprises an ink box, an ink inlet pipe, an ink outlet pipe and a second circulating pump, the ink box is arranged inside the shell, one end of the heat exchange block is communicated with the ink inlet pipe, the other opposite end of the heat exchange block is communicated with the ink outlet pipe, one end of the ink box is communicated with the ink inlet pipe, the other opposite end of the ink box is communicated with the ink outlet pipe, the second circulating pump is arranged on the ink inlet pipe or the ink outlet pipe, and the ink box, the ink inlet pipe, the heat exchange block, the ink outlet pipe and the second circulating pump are communicated to form an ink heating path.
Printing needs higher temperature with the ink, just can reach the viscosity that is fit for the inkjet, and prior art heats the ink to suitable temperature, then carries out the inkjet, has solitary heating device, and this scheme is the heat that sends the integrated circuit board utilizes, heats the ink to utilize the ink to reduce the integrated circuit board temperature on the one hand, on the other hand utilizes the integrated circuit board to rise the ink temperature, kills two birds with one stone.
Preferably, the heat exchange block comprises an ink pipeline and a liquid pipeline, the ink pipeline is zigzag folded, one end of the ink pipeline is communicated with the ink inlet pipe, the other end of the ink pipeline is communicated with the ink outlet pipe, the liquid pipeline is zigzag folded, one end of the liquid pipeline is communicated with the liquid inlet pipe, and the other end of the liquid pipeline is communicated with the liquid outlet pipe.
When the temperature of the ink reaches a certain height, the ink and the board card cannot be subjected to efficient heat exchange, and in this time, the heat exchange between the ink and the board card can be stopped, and the board card is cooled by using water through the cooling passage, so that the board card system is more stable. In some cases, it may not be necessary to stop the heat exchange between the ink and the card, i.e., the ink heating path and the card cooling path occur simultaneously.
Preferably, the ink cooling device comprises an ink supply pipe, an ink conveying pipe, a third circulating pump and a second radiator, wherein the second radiator is arranged outside the shell, one end of the ink box is communicated with the ink supply pipe, the other opposite end of the ink box is communicated with the ink conveying pipe, one end of the second radiator is communicated with the ink supply pipe, the other opposite end of the second radiator is communicated with the ink conveying pipe, the ink supply pipe or the ink conveying pipe is provided with the third circulating pump, and the ink box, the ink supply pipe, the second radiator, the ink conveying pipe and the third circulating pump are communicated to form an ink cooling passage.
If the ink temperature is too high and is higher than the required temperature, the ink heating path is stopped at the time, the ink cooling path is started, the ink is conveyed to the second radiator on the outer side of the shell, and the ink is cooled to the appropriate temperature.
It should be noted that the cooling path of the board takes the board temperature as a priority object to ensure the proper operating temperature of the board, and the ink heating path and the ink cooling path take the ink temperature as a priority object to ensure the proper operating temperature of the ink.
Preferably, the ink cartridge further comprises a cartridge body, a heating device and a temperature sensing device, wherein the heating device and the temperature sensing device are arranged in the cartridge body.
Under the condition that the ink heating path works, the ink in the box body is heated by the heating device to reach the required temperature under the condition that the ink cannot reach the required temperature through the heat dissipation of the board card.
Preferably, the ink box further comprises a partition plate and a communication valve, the box body is divided into two spaces by the partition plate, one space is a preheating space, the other space is an ink supply space, and the communication valve is communicated with the preheating space and the ink supply space; one end of the preheating space is communicated with the ink inlet pipe, and the other opposite end of the preheating space is communicated with the ink outlet pipe; one end of the ink supply space is communicated with the ink supply pipe, and the other opposite end of the ink supply space is communicated with the ink conveying pipe.
In order to improve the efficiency, the ink box is separated into two parts, the preheating space is communicated with the ink heating channel, a temperature sensing device is arranged in the preheating space and used for sensing the temperature of ink in the preheating space, namely the ink in the preheating space exchanges heat with the board card to absorb the heat of the board card, when the temperature of the ink in the preheating space reaches a set temperature, a communication valve is opened to transfer the ink from the preheating space to the ink supply space, or when the temperature increasing rate of the ink in the preheating space is low to a set value, namely the heat exchange efficiency is low, the communication valve is opened to transfer the ink from the preheating space to the ink supply space, then the ink in the liquid material box is transferred to the preheating space, and efficient heat exchange is continued. The ink supply space is filled with preheated ink, the ink supply space is also provided with a temperature sensing device for sensing the temperature of the ink in the ink supply space, the ink supply space is communicated with the ink cooling passage, the heating device is arranged in the ink supply space, if the preheated ink does not reach the required temperature, the heating device is started to heat the ink in the ink supply space, if the ink in the ink supply space exceeds the required temperature, the ink cooling passage is started to cool the ink in the ink supply space, and the ink supply space supplies ink for the printing nozzle. The ink box is divided into two spaces, so that the ink-jet work can not be interfered while the heat exchange effect is better, and the system is more stable.
Preferably, the ink supply device further comprises a liquid material box and a spray head, wherein the liquid material box is communicated with the preheating space, and the spray head is communicated with the ink supply space.
Preferably, the shell is made of at least one material selected from copper, aluminum and steel, and the thickness of the shell is not more than 2 mm.
The shell can be designed into a closed shape in order to prevent external dust from entering, so that the structures of the board card and the sprayer in the shell are better protected, the cleanliness of the internal environment of the printing head is ensured, the service life of the board card is prolonged, and the working efficiency is improved. For better heat dissipation, the material with high thermal conductivity is used, and the thinner the thickness is, the better, so that the printing head also dissipates heat through the shell in the process of high-speed movement.
According to the above technical scheme, the utility model discloses an aspect one beneficial effect who brings is that, provides one kind and takes the beat printer head of cooling integrated circuit board system, provides good operational environment for this kind of precision component of integrated circuit board to prolong precision component's life-span, reduce cost reduces the maintenance number of times, improves work efficiency. Utilize the integrated circuit board temperature to heat the ink that needs the heating simultaneously, improve heat utilization ratio, reduce the direct heating to the ink, also can reduce the heat of shell inner space, the heat that make full use of produced has guaranteed the suitable operating temperature of ink still has the integrated circuit board, can make open shell structure improve into the closed form moreover, protects shell inner structure like this, increase of service life.
Drawings
Fig. 1 is a schematic structural diagram of a printhead according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram of the internal structure of a printhead according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a printhead according to another embodiment of the present disclosure.
Fig. 4 is a schematic diagram of the internal structure of a printhead according to another embodiment of the present disclosure.
Figure 5 is a cross-sectional view of one embodiment of a heat exchanger block for a printhead according to the present disclosure.
In the figure: the ink box comprises a shell 10, a thermostatic device 20, a heat exchange block 21, an ink pipeline 210, a liquid pipeline 211, a liquid inlet pipe 22, a liquid outlet pipe 23, a first radiator 24, a board card 30, an ink heating device 40, an ink box 41, an ink inlet pipe 42, an ink outlet pipe 43, an ink cooling device 50, an ink supply pipe 51, an ink conveying pipe 52 and a second radiator 53.
Detailed Description
The technical scheme of the embodiment of the utility model is explained in further detail by combining the attached drawings of the utility model.
Example 1:
referring to fig. 1 and 2, a printing head includes a housing 10, a thermostatic device 20 and a board card 30, where the thermostatic device 20 contacts the board card 30, the thermostatic device 20 includes a heat exchange block 21, a liquid inlet pipe 22, a liquid outlet pipe 23, a first circulation pump, and a first heat sink 24, one end of the heat exchange block 21 is communicated with the liquid inlet pipe 22, and the other opposite end is communicated with the liquid outlet pipe 23, one end of the first heat sink 24 is communicated with the liquid inlet pipe 22, and the other opposite end of the first heat sink 24 is communicated with the liquid outlet pipe 23, the liquid inlet pipe 22 or the liquid outlet pipe 23 is provided with the first circulation pump, and the first heat sink 24, the liquid inlet pipe 22, the heat exchange block 21, the liquid outlet pipe 23, and the first circulation pump are communicated to form a cooling passage; the shell 10 encloses a space, the heat exchange block 21 and the board card 30 are both arranged inside the shell 10, and the first radiator 24 is arranged outside the shell 10.
The first radiator 24 comprises radiating fins and communicating passages, the radiating fins are arranged at intervals, gaps are formed among the radiating fins, the gap penetrating direction is consistent with the moving direction of the printing head, the communicating passages are arranged at the two ends of the radiating fins and are adjacent to the radiating fins, the communicating passages of the radiating fins are arranged at the two ends and are respectively communicated with the liquid inlet pipe 22 and the liquid outlet pipe 23, and the liquid inlet pipe 22 and the horizontal height of the communicating position of the radiating fins are higher than the horizontal height of the liquid outlet pipe 23 and the communicating position of the radiating fins.
The size of the heat exchange block 21 can be matched with the size of the heating area of the board card 30, and can also be integrally matched with the board card 30, in the latter mode, the board card 30 is protected by the heat exchange block 21 and isolated from the outside, so that the printing head shell 10 can be open, and the work of the board card 30 cannot be influenced.
Example 2:
on the basis of embodiment 1, a print head further includes an ink heating device 40, where the ink heating device 40 includes an ink cartridge 41, an ink inlet tube 42, an ink outlet tube 43, and a second circulation pump, the ink cartridge 41 is disposed inside the housing 10, one end of the heat exchange block 21 is communicated with the ink inlet tube 42, and the opposite end is communicated with the ink outlet tube 43, one end of the ink cartridge 41 is communicated with the ink inlet tube 42, and the opposite end of the ink cartridge 41 is communicated with the ink outlet tube 43, the ink inlet tube 42 or the ink outlet tube 43 is provided with the second circulation pump, and the ink cartridge 41, the ink inlet tube 42, the heat exchange block 21, the ink outlet tube 43, and the second circulation pump are communicated to form an ink heating path.
The heat exchange block 21 comprises an ink pipeline 210 and a liquid pipeline 211, wherein the ink pipeline 210 is zigzag folded, one end of the ink pipeline 210 is communicated with the ink inlet pipe 42, the other end of the ink pipeline is communicated with the ink outlet pipe 43, the liquid pipeline 211 is zigzag folded, one end of the liquid pipeline 211 is communicated with the liquid inlet pipe 22, and the other end of the liquid pipeline 211 is communicated with the liquid outlet pipe 23.
The ink cartridge 41 includes a cartridge body, a heating device, and a temperature sensing device, both of which are provided in the cartridge body.
Example 3:
referring to fig. 3 and 4, on the basis of embodiment 2, the print head further includes an ink cooling device 50, where the ink cooling device 50 includes an ink supply tube 51, an ink delivery tube 52, a third circulation pump, and a second heat sink 53, the second heat sink 53 is disposed outside the housing 10, one end of the ink cartridge 41 is communicated with the ink supply tube 51, and the other opposite end is communicated with the ink delivery tube 52, one end of the second heat sink 53 is communicated with the ink supply tube 51, and the other opposite end is communicated with the ink delivery tube 52, the third circulation pump is disposed on the ink supply tube 51 or the ink delivery tube 52, and the ink cartridge 41, the ink supply tube 51, the second heat sink 53, the ink delivery tube 52, and the third circulation pump are communicated to form an ink cooling passage.
Example 4:
on the basis of embodiment 2 or 3, the ink cartridge 41 further includes a partition plate, a communication valve, the cartridge body is partitioned into two spaces by the partition plate, one is a preheating space, and the other is an ink supply space, and the communication valve communicates the preheating space and the ink supply space; one end of the preheating space is communicated with the ink inlet pipe 42, and the other opposite end is communicated with the ink outlet pipe 43; one end of the ink supply space communicates with the ink supply tube 51, and the opposite end communicates with the ink feed tube 52.
The liquid feed box is communicated with the preheating space, and the spray head is communicated with the ink supply space.
Example 5:
referring to fig. 1, the housing 10 is closed to protect the internal components, increase the lifetime, and reduce the influence of external dust and harmful gas on the components. Wherein the housing 10 is made of a material with high thermal conductivity, such as copper, aluminum, steel, etc., and has a thickness of not more than 2 mm; or can be made of metal sintering materials, and the sintering materials are characterized by air permeability but dust or sand grains can not pass through, so the printing head air-permeable dust-proof sintering material is very suitable for the working environment of the printing head, and can not only ventilate and cool, but also can not collect dust inside.
Claims (10)
1. A printhead, characterized by: the heat exchanger comprises a shell, a constant temperature device and a board card, wherein the constant temperature device is in contact with the board card and comprises a heat exchange block, a liquid inlet pipe, a liquid outlet pipe, a first circulating pump and a first radiator, one end of the heat exchange block is communicated with the liquid inlet pipe, the other opposite end of the heat exchange block is communicated with the liquid outlet pipe, one end of the first radiator is communicated with the liquid inlet pipe, the other opposite end of the first radiator is communicated with the liquid outlet pipe, the first circulating pump is arranged on the liquid inlet pipe or the liquid outlet pipe, and the first radiator, the liquid inlet pipe, the heat exchange block, the liquid outlet pipe and the first circulating pump are communicated to form a cooling passage; the shell encloses into a space, heat transfer piece, integrated circuit board all set up inside the shell, the radiator setting is in the shell is outside.
2. The printhead of claim 1, wherein: the heat exchange block covers the board card to isolate the board card from the outside.
3. The printhead of claim 1, wherein: the first radiator comprises radiating fins and communicating passages, the radiating fins are arranged at intervals, gaps are formed among the radiating fins, the penetrating direction of the gaps is consistent with the moving direction of the printing head, the communicating passages are arranged at the two ends of the radiating fins and are adjacent to the radiating fins, and the communicating passages of the radiating fins arranged at the two ends are respectively communicated with the liquid inlet pipe and the liquid outlet pipe.
4. The printhead of claim 1, wherein: the ink heating device comprises an ink box, an ink inlet pipe, an ink outlet pipe and a second circulating pump, the ink box is arranged inside the shell, one end of the heat exchange block is communicated with the ink inlet pipe, the other opposite end of the heat exchange block is communicated with the ink outlet pipe, one end of the ink box is communicated with the ink inlet pipe, the other opposite end of the ink box is communicated with the ink outlet pipe, the ink inlet pipe or the ink outlet pipe is provided with the second circulating pump, and the ink box, the ink inlet pipe, the heat exchange block, the ink outlet pipe and the second circulating pump are communicated to form an ink heating passage.
5. The printhead of claim 4, wherein: the heat exchange block comprises an ink pipeline and a liquid pipeline, the ink pipeline is zigzag folded, one end of the ink pipeline is communicated with the ink inlet pipe, the other end of the ink pipeline is communicated with the ink outlet pipe, the liquid pipeline is zigzag folded, one end of the liquid pipeline is communicated with the liquid inlet pipe, and the other end of the liquid pipeline is communicated with the liquid outlet pipe.
6. The printhead of claim 4, wherein: still include ink cooling device, ink cooling device is including supplying china ink pipe, ink delivery pipe, No. three circulating pumps, No. two radiators set up the shell is outside, the one end of ink horn with supply china ink pipe intercommunication, and the relative other end with ink delivery pipe intercommunication, the one end of No. two radiators with supply china ink pipe intercommunication, and the relative other end with ink delivery pipe intercommunication, supply china ink pipe or ink delivery pipe is last to set up No. three circulating pumps, the ink horn supply china ink pipe No. two radiators ink delivery pipe No. three circulating pumps intercommunication become an ink cooling path.
7. The printhead of claim 6, wherein: the ink cartridge comprises a cartridge body and a heating device, wherein the heating device is arranged in the cartridge body.
8. The printhead of claim 7, wherein: the ink box also comprises a partition plate and a communicating valve, the box body is divided into two spaces by the partition plate, one space is a preheating space, the other space is an ink supply space, and the communicating valve is communicated with the preheating space and the ink supply space; one end of the preheating space is communicated with the ink inlet pipe, and the other opposite end of the preheating space is communicated with the ink outlet pipe; one end of the ink supply space is communicated with the ink supply pipe, and the other opposite end of the ink supply space is communicated with the ink conveying pipe.
9. The printhead of claim 8, wherein: the liquid feed box is communicated with the preheating space, and the spray head is communicated with the ink supply space.
10. A printing apparatus characterized by: use of a printhead according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111541.2U CN211251352U (en) | 2019-11-30 | 2019-11-30 | Print head and printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111541.2U CN211251352U (en) | 2019-11-30 | 2019-11-30 | Print head and printing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN211251352U true CN211251352U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922111541.2U Active CN211251352U (en) | 2019-11-30 | 2019-11-30 | Print head and printing apparatus |
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| Country | Link |
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| CN (1) | CN211251352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936609A (en) * | 2019-11-30 | 2020-03-31 | 共享智能铸造产业创新中心有限公司 | Printing head, printing method, printing system, storage medium, and printing apparatus |
-
2019
- 2019-11-30 CN CN201922111541.2U patent/CN211251352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936609A (en) * | 2019-11-30 | 2020-03-31 | 共享智能铸造产业创新中心有限公司 | Printing head, printing method, printing system, storage medium, and printing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211119 Address after: 298, ningshuo South Street, Yinchuan economic and Technological Development Zone, Ningxia Hui Autonomous Region Patentee after: KOCEL INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 750021 science and technology building and office building of small and medium sized enterprise entrepreneurial base in economic and Technological Development Zone, 330 Huanghe Road, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NATIONAL INTELLIGENT FOUNDRY INDUSTRY INNOVATION CENTER |
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| TR01 | Transfer of patent right |