CN210188407U - Ink jet device and 3D printing equipment - Google Patents

Ink jet device and 3D printing equipment Download PDF

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Publication number
CN210188407U
CN210188407U CN201920739018.1U CN201920739018U CN210188407U CN 210188407 U CN210188407 U CN 210188407U CN 201920739018 U CN201920739018 U CN 201920739018U CN 210188407 U CN210188407 U CN 210188407U
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Prior art keywords
ink
cavity
communicated
ink supply
chamber
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CN201920739018.1U
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Chinese (zh)
Inventor
Xi Ma
马玺
Yunlong Xu
徐云龙
Tiancheng Wang
王天成
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Kocel Intelligent Machinery Ltd
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Kocel Intelligent Foundry Industry Innovation Center Co Ltd
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Abstract

The utility model discloses an ink jet device and 3D printing apparatus relates to 3D and prints technical field. The negative pressure box component comprises a first cavity and a second cavity, the first cavity and the second cavity are respectively communicated with a negative pressure source, so that the air pressure in the first cavity is greater than the air pressure in the second cavity, the first cavity is communicated with the ink supply cavity, the second cavity is communicated with the ink return cavity, and the ink supply cavity and the ink return cavity are respectively communicated with the ink storage box to form an ink circulation passage of the ink storage box, the ink supply cavity, the ink inlet, the ink return port and the ink return cavity. Can improve the uniformity and consistency of ink supply, improve the ink-jet quality and further improve the printing effect.

Description

Ink jet device and 3D printing equipment
Technical Field
The utility model relates to a 3D prints technical field, particularly, relates to an inkjet device and 3D printing apparatus.
Background
Digital informatization and intellectualization in the sand casting process are important directions for the development of the sand casting technology. At present, a 3D printing and forming technology of a non-mold sand mold becomes a research hotspot of a manufacturing technology of the non-mold sand mold. The 3D printer of the non-mold sand mold is suitable for design, research and development application, personalized customization and multi-variety medium and small batch production of products, can obviously shorten the research and development period of the products, and reduces the development cost of product molds.
The existing ink jet device used by sand mold 3D printing equipment has the phenomenon of frame loss or ink dripping in the long-term use process, so that the actual printing effect is influenced, and the phenomenon is particularly obvious for the nozzles arranged in an array manner.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ink jet device and 3D printing apparatus can improve the homogeneity and the uniformity that supply the ink, improves the inkjet quality, and then improves and prints the effect.
The embodiment of the utility model is realized like this:
in one aspect of the embodiments of the present invention, an inkjet apparatus is provided, which includes a controller, a negative pressure box assembly, an ink storage box, a bottom plate, and a plurality of nozzle assemblies uniformly distributed on the bottom plate, each of the nozzle assemblies is communicated with the ink supply box assembly, the nozzle assembly includes a nozzle, an ink inlet and an ink return port, the ink supply box assembly includes an ink supply chamber and an ink return chamber, the ink inlet is communicated with the ink supply chamber, the ink return port is communicated with the ink return chamber, the negative pressure box assembly includes a first chamber and a second chamber, the first chamber and the second chamber are respectively communicated with a negative pressure source, the controller is electrically connected with the negative pressure source to make the air pressure in the first chamber larger than the air pressure in the second chamber, the first chamber is communicated with the ink supply chamber, the second chamber is communicated with the ink return chamber, the ink supply cavity and the ink return cavity are respectively communicated with the ink storage box to form an ink circulation passage of the ink storage box, the ink supply cavity, the ink inlet, the ink return port and the ink return cavity.
Optionally, the negative pressure box assembly further includes a first pressure sensor disposed on the first cavity, and a second pressure sensor disposed on the second cavity, the first pressure sensor and the second pressure sensor are electrically connected to the controller, and the controller controls the negative pressure source to adjust the pressure in the first cavity and the pressure in the second cavity according to the acquired detection values of the first pressure sensor and the second pressure sensor.
Optionally, the ink storage box is arranged above the ink supply box assembly, an air hole is formed in the top of the ink storage box, a first ink outlet and a second ink outlet are further formed in the ink storage box, a first access port and a second access port are correspondingly formed in two sides of the ink supply cavity respectively, the first ink outlet is communicated with the first access port, and the second ink outlet is communicated with the second access port.
Optionally, the inkjet device further includes a driving board, a first electromagnetic valve and a second electromagnetic valve are disposed on the driving board, the first electromagnetic valve and the second electromagnetic valve are respectively electrically connected to the controller, the first ink outlet is communicated with the first inlet through the first electromagnetic valve, the second ink outlet is communicated with the second inlet through the second electromagnetic valve, a liquid level sensor electrically connected to the controller is further disposed in the ink supply cavity, and the controller controls the first electromagnetic valve and the second electromagnetic valve to be opened or closed according to detection data obtained by the liquid level sensor.
Optionally, a third ink outlet is further disposed on the ink storage box, and a third inlet is further disposed in the ink supply chamber, and the third ink outlet is communicated with the third inlet.
Optionally, the ink supply chamber includes a plurality of sub ink supply chambers, the ink return chamber includes a plurality of sub ink return chambers, each sub ink supply chamber is correspondingly communicated with a plurality of the ink inlet ports, and each sub ink return chamber is correspondingly communicated with a plurality of the ink return ports.
Optionally, a plurality of partition plates are respectively arranged in the sub ink supply cavity and the sub ink return cavity, and the plurality of sub ink supply cavities are mutually communicated through a communication hole.
Optionally, the ink jet device further comprises a peristaltic pump, and the ink return cavity is communicated with the ink storage box through the peristaltic pump so that ink in the ink return cavity is pumped back into the ink storage box.
Optionally, the inkjet device further includes end plates, and the two end plates are correspondingly disposed and connected and fixed by a pull rod, so that the end plates are fixedly connected with the plurality of nozzle assemblies.
The utility model discloses on the other hand of embodiment provides a 3D printing apparatus, be in including frame, setting slide rail module in the frame, and as above arbitrary one inkjet device, the slide rail module pass through link block with the inkjet device transmission is connected.
The utility model discloses beneficial effect includes:
the embodiment of the utility model provides an inkjet device and 3D printing apparatus through the shower nozzle subassembly with supplying ink cartridge assembly intercommunication, makes the shower nozzle subassembly can stabilize the inkjet. Through the first cavity communicated with the ink supply cavity, the second cavity communicated with the ink return cavity and the difference of the pressures of the first cavity and the second cavity, ink is sprayed from the ink supply cavity to the ink return cavity through the spray head assembly or from the ink supply cavity through the spray head assembly to be printed, no ink dripping phenomenon exists in the printing process, and the stability in the printing process is improved. In addition, the ink supply cavity and the ink return cavity which are respectively communicated with the ink storage box enable the ink from the ink supply cavity to the ink return cavity to return to the ink storage box, so that the circulating ink supply is realized, and the probability of occurrence of phenomena of printing frame loss, partial non-ink-jetting and the like caused by deposition due to long-time placement of the ink and blockage of a nozzle assembly is reduced. Through the organic combination of the first cavity and the second cavity with negative pressure, the ink supply cavity, the ink return cavity and the ink storage box, the uniformity and consistency of ink supply are improved, the ink jet quality is improved, and the printing effect is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an inkjet apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a showerhead assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an ink supply cartridge assembly according to an embodiment of the present invention;
fig. 4 is a second schematic structural view of an ink supply cartridge assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a negative pressure box assembly provided in an embodiment of the present invention;
fig. 6 is a schematic structural view of an ink storage box according to an embodiment of the present invention;
fig. 7 is a second schematic structural diagram of an inkjet apparatus according to an embodiment of the present invention.
Icon: 100-an ink jet device; 103-a backplane; 105-an end plate; 107-pull rod; 110-a negative pressure box assembly; 112-a first cavity; 114-a second cavity; 116-a first pressure sensor; 118-a second pressure sensor; 120-an ink reservoir; 122-air holes; 124-first ink outlet; 126-a second ink outlet; 128-third ink outlet; 129-connection port; 130-a showerhead assembly; 132-a nozzle; 134-ink inlet; 136-ink return port; 140-ink supply cartridge assembly; 142-an ink supply chamber; 1422 — first access port; 1424 — second access port; 1426-sub ink supply chamber; 144-ink return chamber; 1442-son ink return chamber; 146-a separator; 148-communication hole; 150-a drive plate; 152-a first solenoid valve; 154-second solenoid valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides an inkjet apparatus 100, which includes a controller (not shown in fig. 1), a negative pressure box assembly 110, an ink storage box 120, a bottom plate 103, and a plurality of nozzle assemblies 130 uniformly distributed on the bottom plate 103, wherein each nozzle assembly 130 is communicated with an ink supply cartridge assembly 140. Referring to fig. 2 again, the head assembly 130 includes a nozzle 132, an ink inlet 134 and an ink return port 136, as shown in fig. 3, the ink supply and ink box assembly 140 includes an ink supply cavity 142 and an ink return cavity 144, the ink inlet 134 is communicated with the ink supply cavity 142, the ink return port 136 is communicated with the ink return cavity 144, referring to fig. 5 again, the negative pressure box assembly 110 includes a first cavity 112 and a second cavity 114, the first cavity 112 and the second cavity 114 are respectively communicated with a negative pressure source (not shown in fig. 5), the controller is electrically connected with the negative pressure source, so that the air pressure in the first cavity 112 is greater than the air pressure in the second cavity 114, the first cavity 112 is communicated with the ink supply cavity 142, the second cavity 114 is communicated with the ink return cavity 144, and the ink supply cavity 142 and the ink return cavity 144 are respectively communicated with the ink storage box 120, so as to form an ink circulation path of the ink storage box 120, the ink supply cavity 142, the ink inlet 134, the ink return port 136 and the ink return cavity 144.
First, in the ink jet device 100, the ink tank 120 provides the required ink in a normal state, and the ink flows through the ink supply chamber 142 in the ink supply cartridge assembly 140, and the ink in the ink supply chamber 142 is then subjected to ink jet printing through the nozzle 132 in the nozzle assembly 130. When the amount of ink in the head assembly 130 is larger than the amount required for printing, the excess ink is sucked back into the ink returning cavity 144 through the first cavity 112 and the second cavity 114, so that the ink dripping probability during printing is reduced. In addition, the ink forms a flowing circulation through the passage formed by the ink storage box 120, the ink supply cavity 142, the nozzle assembly 130 and the ink return cavity 144 and the passage formed between the ink return cavity 144 and the ink storage box 120, and the probability that the printing quality is finally influenced because the ink is not jetted because the ink is deposited and crystallized due to standing and even blocks the nozzle 132 is reduced.
Secondly, the first chamber 112 and the second chamber 114 provide negative pressure required by the ink supply environment, and the first chamber 112 is communicated with the ink supply chamber 142, so that the ink pressure in the ink supply chamber 142 is stable during printing, the fluctuation during ink supply is reduced, and the probability of frame loss, ink jet flower or local non-ink jet during printing is further reduced. The second chamber 114 is in communication with the ink return chamber 144, so that excess ink is drawn back into the ink return chamber 144, and the chance of ink dripping from the nozzle 132 during printing is reduced. The negative pressure source for providing negative pressure to the first cavity 112 and the second cavity 114 may be a vacuum pump or other devices capable of generating negative pressure, and the specific size may be flexibly set according to actual needs.
The embodiment of the present invention provides an inkjet device 100, which makes the nozzle assembly 130 stably eject ink through the nozzle assembly 130 communicated with the ink supply cartridge assembly 140. Through the difference of the pressure of the first cavity 112 communicated with the ink supply cavity 142, the second cavity 114 communicated with the ink return cavity 144 and the pressure of the first cavity 112 and the second cavity 114, the ink is sprayed out from the ink supply cavity 142 to the ink return cavity 144 through the nozzle assembly 130 or from the ink supply cavity 142 through the nozzle assembly 130 for ink-jet printing, and no ink dripping phenomenon occurs in the printing process, so that the stability during printing is improved. In addition, the ink from the ink supply cavity 142 to the ink return cavity 144 is returned to the ink storage box 120 through the ink supply cavity 142 and the ink return cavity 144 which are respectively communicated with the ink storage box 120, so that the circulating ink supply is realized, and the probability of occurrence of phenomena of printing frame loss, partial non-ink jetting and the like caused by the blockage of the nozzle assembly 130 due to the long-time deposition of the ink is reduced. Through the organic combination of the first cavity 112 and the second cavity 114 with negative pressure, the ink supply cavity 142, the ink return cavity 144 and the ink storage box 120, the uniformity and consistency of ink supply are improved, the ink jet quality is improved, and the printing effect is further improved.
As shown in fig. 5, the negative pressure box assembly 110 further includes a first pressure sensor 116 disposed on the first cavity 112, and a second pressure sensor 118 disposed on the second cavity 114, the first pressure sensor 116 and the second pressure sensor 118 are respectively electrically connected to the controller, and the controller controls the negative pressure source to adjust the pressures in the first cavity 112 and the second cavity 114 according to the acquired detection values of the first pressure sensor 116 and the second pressure sensor 118. Therefore, the stability of the negative pressure box assembly 110 in the whole printing process can be ensured, the stability of the ink supply box assembly 140 is further promoted, and the printing quality and the printing stability are improved.
As shown in fig. 1 and 6, the ink storage box 120 is disposed above the ink supply box assembly 140, the air hole 122 is disposed on the top of the ink storage box 120, the ink storage box 120 is further provided with a first ink outlet 124 and a second ink outlet 126, as shown in fig. 3 and 4, a first inlet 1422 and a second inlet 1424 are correspondingly disposed on two sides of the ink supply cavity 142, the first ink outlet 124 communicates with the first inlet 1422, and the second ink outlet 126 communicates with the second inlet 1424, so as to form two parallel passages.
Specifically, the air hole 122 disposed at the top of the ink storage box 120 balances the air pressure above the liquid level in the ink storage box 120 with the atmospheric pressure, so that when the ink storage box 120 supplies ink into the ink supply cavity 142, the ink can be automatically supplied by the weight of the ink and the negative pressure in the ink supply cavity 142 is used for negative pressure ink absorption. The passage between the first ink outlet 124 and the first inlet 1422 and the passage between the second ink outlet 126 and the second inlet 1424 are used to form two parallel pipelines, and the pipelines are arranged at two sides of the ink supply cavity 142, so that the ink supply is sufficient and stable, the ink is distributed more uniformly in the ink supply cavity 142, the fluctuation in ink supply is reduced, and the stable ink supply is facilitated.
As shown in fig. 1, 4 and 6, the inkjet device 100 further includes a driving board 150, the driving board 150 is provided with a first solenoid valve 152 and a second solenoid valve 154 respectively electrically connected to the controller, the first ink outlet 124 is communicated with the first inlet 1422 through the first solenoid valve 152, the second ink outlet 126 is communicated with the second inlet 1424 through the second solenoid valve 154, a liquid level sensor (not shown in fig. 4) electrically connected to the controller is further disposed in the ink supply chamber 142, and the controller controls the first solenoid valve 152 and the second solenoid valve 154 to open or close according to detection data obtained by the liquid level sensor.
Specifically, the liquid level sensor detects a preset interval value having a high preset value and a low preset value, and when the value detected by the liquid level sensor reaches the low preset value, the controller controls the first solenoid valve 152 and the second solenoid valve 154 to open, so that the ink reservoir 120 supplies the ink supply chamber 142 with the required ink. Similarly, when the value detected by the liquid level sensor reaches the high preset value, the controller controls the first solenoid valve 152 and the second solenoid valve 154 to close, so that the passage between the first ink outlet 124 and the first inlet 1422 is blocked, and the passage between the second ink outlet 126 and the second inlet 1424 is also blocked, thereby avoiding the problems of printing quality reduction caused by excessive ink supply.
Alternatively, as shown in fig. 6, the ink tank 120 is further provided with a third ink outlet 128, and as shown in fig. 3, the ink supply chamber 142 is further provided with a third inlet (not shown in fig. 3), and the third ink outlet 128 is communicated with the third inlet. Thus, when the ink cartridge 120 supplies ink into the ink supply chamber 142, ink can be automatically supplied through the third ink outlet 128 by the weight of the ink and sucked at a negative pressure in the ink supply chamber 142. The liquid level of the ink in the ink supply cavity 142 tends to be stable, the frequent opening or closing of the first electromagnetic valve 152 and the second electromagnetic valve 154 is reduced, the stability of ink supply is improved, and the improvement of printing quality is facilitated.
As shown in fig. 3, the ink supply cavity 142 includes a plurality of sub ink supply cavities 1426, and the ink return cavity 144 includes a plurality of sub ink return cavities 1442, and referring to fig. 2 again, each sub ink supply cavity 1426 is correspondingly communicated with a plurality of ink inlet ports 134, and each sub ink return cavity 1442 is correspondingly communicated with a plurality of ink return ports 136.
Specifically, the number of the sub ink returning cavities 1442 and the number of the sub ink supplying cavities 1426 may be flexibly set according to the number of the set nozzle assemblies 130, and the embodiment of the present invention does not specifically limit this. In addition, the sub ink returning cavities 1442 and 1426 may be arranged at intervals, nested, or concentrated, as long as they are connected to the ink inlets 134 and the ink returning ports 136 of the corresponding head assemblies 130.
As shown in fig. 3, the embodiment of the present invention is described by taking 12 head assemblies 130 as an example, and the ink supply cartridge assembly 140 is divided into 3 sub ink supply chambers 1426 and 4 sub ink return chambers 1442 as a whole. The sub ink returning cavities 1442 are located on one side of the ink supplying cavity 142, the other 2 sub ink returning cavities 1442 are located on the other side of the ink supplying cavity 142, and the ink supplying cavity 142 composed of the 3 sub ink supplying cavities 1426, that is, the sub ink returning cavities 1442 are disposed on two sides of the sub ink supplying cavity 1426. One independent sub ink return chamber 1442 corresponds to the ink return lines of 3 head assemblies 130, and one independent sub ink supply chamber 1426 corresponds to the ink feed lines of 4 head assemblies 130, so that each head assembly 130 is provided with a desired path through the ink feed port 134 and the ink return port 136, respectively.
As shown in fig. 3 and 4, a plurality of partition plates 146 are respectively disposed in the sub ink supply chamber 1426 and the sub ink return chamber 1442, and the plurality of sub ink supply chambers 1426 are communicated with each other through a communication hole 148.
Specifically, can set up to integrated into one piece between baffle 146 and the sub-chamber 1426 that supplies ink and the sub-chamber 1442 that returns ink, also can set up to the components of a whole that can dismantle the connection for the components of a whole that can function independently, the embodiment of the utility model provides a do not do specific restriction to this. The plurality of partition plates 146 disposed in the sub ink supply cavity 1426 and the sub ink return cavity 1442 can prevent the ink in the ink supply cavity 142 from shaking during the operation of the inkjet apparatus 100, and ensure the uniformity and stability of the ink supply flow.
In addition, the communication hole 148 allows the sub ink supply chambers 1426 to communicate with each other, and the ink level line is higher than the communication hole 148, so that it is ensured that the lower ink portions of the sub ink supply chambers 1426 communicate with each other, and the upper negative pressure portions are independent of each other. The design can realize effective ink supply, and the negative pressure environment at the upper part of each sub ink supply cavity 1426 is more balanced, which is beneficial to the uniformity and consistency of ink jet.
Optionally, inkjet device 100 further includes a peristaltic pump, and ink return chamber 144 communicates with ink reservoir 120 via the peristaltic pump to draw ink in ink return chamber 144 back into ink reservoir 120.
Specifically, the inlet end of the peristaltic pump is connected to the ink return chamber 144, and the outlet end is connected to the connection port 129 on the ink storage box 120, so that the ink in the ink return chamber 144 can be circulated to the ink storage box 120 more stably and reliably.
As shown in fig. 7, the inkjet apparatus 100 further includes end plates 105, and the two end plates 105 are correspondingly disposed and connected and fixed by a pull rod 107, so that the end plates 105 are fixedly connected to the plurality of head assemblies 130. Thus, the overall rigidity of the head assembly 130 can be improved, which is beneficial to stable inkjet printing of the head assembly 130.
The embodiment of the utility model provides a 3D printing apparatus is still disclosed, including the frame, set up the slide rail module in the frame to and as above arbitrary inkjet device 100, the slide rail module passes through link block and is connected with inkjet device 100 transmissions. The 3D printing apparatus includes the same structure and advantageous effects as the inkjet device 100 in the foregoing embodiment. The structure and advantages of the inkjet device 100 have been described in detail in the foregoing embodiments, and are not described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An ink jet device is characterized by comprising a controller, a negative pressure box assembly, an ink storage box, a bottom plate and a plurality of sprayer assemblies uniformly distributed on the bottom plate, wherein each sprayer assembly is communicated with the ink supply box assembly, each sprayer assembly comprises a nozzle, an ink inlet and an ink return port which are communicated with each other, the ink supply box assembly comprises an ink supply cavity and an ink return cavity, the ink inlet is communicated with the ink supply cavity, the ink return port is communicated with the ink return cavity, the negative pressure box assembly comprises a first cavity and a second cavity, the first cavity and the second cavity are respectively communicated with a negative pressure source, the controller is electrically connected with the negative pressure source so that the air pressure in the first cavity is larger than the air pressure in the second cavity, the first cavity is communicated with the ink supply cavity, the second cavity is communicated with the ink return cavity, the ink supply cavity and the ink return cavity are respectively communicated with the ink storage box, so as to form an ink circulation path of the ink storage box, the ink supply cavity, the ink inlet, the ink return opening and the ink return cavity.
2. The inkjet apparatus as claimed in claim 1, wherein the negative pressure cartridge assembly further comprises a first pressure sensor disposed on the first chamber and a second pressure sensor disposed on the second chamber, the first pressure sensor and the second pressure sensor are respectively electrically connected to the controller, and the controller controls the negative pressure source to adjust the pressure in the first chamber and the pressure in the second chamber according to the acquired detection values of the first pressure sensor and the second pressure sensor.
3. The inkjet apparatus according to claim 1, wherein the ink storage box is disposed above the ink supply box assembly, and an air hole is disposed on a top of the ink storage box, a first ink outlet and a second ink outlet are further disposed on the ink storage box, a first inlet and a second inlet are correspondingly disposed on two sides of the ink supply cavity, respectively, the first ink outlet communicates with the first inlet, and the second ink outlet communicates with the second inlet.
4. The inkjet apparatus according to claim 3, further comprising a driving plate, wherein the driving plate is provided with a first solenoid valve and a second solenoid valve that are electrically connected to the controller, respectively, the first ink outlet communicates with the first inlet through the first solenoid valve, the second ink outlet communicates with the second inlet through the second solenoid valve, a liquid level sensor electrically connected to the controller is further provided in the ink supply chamber, and the controller controls the first solenoid valve and the second solenoid valve to open or close according to detection data obtained by the liquid level sensor.
5. The ink jet device as claimed in claim 4, wherein a third ink outlet is further provided on the ink tank, and a third inlet is further provided on the ink supply chamber, and the third ink outlet communicates with the third inlet.
6. The inkjet apparatus as claimed in claim 1 or 3, wherein said ink supply chamber comprises a plurality of sub ink supply chambers, and said ink return chamber comprises a plurality of sub ink return chambers, each sub ink supply chamber is correspondingly communicated with a plurality of said ink inlet ports, and each sub ink return chamber is correspondingly communicated with a plurality of said ink return ports.
7. The ink jet device as claimed in claim 6, wherein a plurality of partitions are respectively disposed in the sub ink supply chamber and the sub ink return chamber, and the plurality of sub ink supply chambers are communicated with each other through communication holes.
8. The ink jet device of claim 1, further comprising a peristaltic pump, wherein the ink return chamber communicates with the ink reservoir via the peristaltic pump to draw ink in the ink return chamber back into the ink reservoir.
9. The inkjet apparatus as claimed in claim 1, further comprising end plates, wherein the two end plates are correspondingly disposed and connected and fixed by a pull rod, so that the end plates are fixedly connected to the plurality of nozzle assemblies.
10. 3D printing equipment, which is characterized by comprising a rack, a slide rail module arranged on the rack and the ink jet device as claimed in any one of claims 1 to 9, wherein the slide rail module is in transmission connection with the ink jet device through a connecting slide block.
CN201920739018.1U 2019-05-22 2019-05-22 Ink jet device and 3D printing equipment Active CN210188407U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280716A (en) * 2019-05-22 2019-09-27 共享智能铸造产业创新中心有限公司 A kind of ink discharge device and 3D printing equipment
CN116770520A (en) * 2023-06-27 2023-09-19 山东明福染业有限公司 Ink jet head and ink jet device for yarn dyeing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280716A (en) * 2019-05-22 2019-09-27 共享智能铸造产业创新中心有限公司 A kind of ink discharge device and 3D printing equipment
CN116770520A (en) * 2023-06-27 2023-09-19 山东明福染业有限公司 Ink jet head and ink jet device for yarn dyeing
CN116770520B (en) * 2023-06-27 2024-04-30 佛山市三水盈捷精密机械有限公司 Ink jet head and ink jet device for yarn dyeing

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