Buffering ink box

Abstract

The utility model discloses a buffering ink box, which comprises an ink box main body, a first ink inlet pipe, a first ink return pipe and two heating sheets, the ink box main body is provided with an ink inlet cavity and an ink return cavity, the first ink inlet pipe is communicated with the ink inlet cavity and used for being connected with a spray head, and the first ink return pipe is communicated with the ink return cavity and used for being connected with the spray head. Wherein one heating sheet covers one side wall, corresponding to the ink inlet cavity, of the ink box main body, and the other heating sheet covers one side wall, corresponding to the ink return cavity, of the ink box main body. By adopting the design mode, printing ink in the ink inlet cavity is conveyed to the spray head through the first ink inlet pipe, printing ink which is not sprayed completely in the spray head is conveyed back to the ink return cavity through the first ink return pipe, one heating piece can heat the printing ink in the ink inlet cavity, and the other heating piece can heat the printing ink in the ink return cavity. And the flowing of the ink in the ink inlet cavity and the ink return cavity can be promoted, so that the ink in the ink inlet cavity and the ink return cavity is ensured to have relatively good flowability.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field especially, relate to a buffer ink box. BACKGROUND

[0002] In the existing printing device, usually set up ink supply ink box and buffer ink box, the ink in ink supply ink box is first transported to buffer ink box, then is transported to the nozzle by buffer ink box, the ink not used on the nozzle flows back to buffer ink box, then is transported back to ink supply ink box by buffer ink box, improves the stability of ink supply through the buffer of buffer ink box, but the ink in buffer ink box is easy to solidify or thicken, on one hand, can cause ink supply speed, printing speed and ink return speed to drop, on the other hand, can cause nozzle to be blocked and even be damaged. SUMMARY

[0003] In order to overcome at least one of the defects of the prior art described above, the utility model provides a buffer ink box to solve the problem that the ink in the existing buffer ink box is easy to solidify or thicken.

[0004] The utility model discloses a buffer ink box, including ink box main part, first ink inlet pipe, first ink return pipe and two heating sheets, be equipped with ink inlet cavity and ink return cavity on the ink box main part, the first ink inlet pipe is connected in the ink inlet cavity and is used to be connected in the nozzle, the first ink return pipe is connected in the ink return cavity and is used to be connected in the nozzle, one of the heating sheets covers the side wall corresponding the ink inlet cavity on the ink box main part, and the other heating sheet covers the side wall corresponding the ink return cavity on the ink box main part.

[0005] As an optional implementation, in the utility model embodiment, ink buffer septum is arranged in the ink inlet cavity and / or the ink return cavity.

[0006] As an optional implementation, in the utility model embodiment, a first regulating valve is arranged on the first ink inlet pipe, the first regulating valve controls the conduction and disconnection of the first ink inlet pipe, a second regulating valve is arranged on the first ink return pipe, and the second regulating valve controls the conduction and disconnection of the first ink return pipe.

[0007] As an optional implementation, in the utility model embodiment, the buffer ink box further comprises a liquid level sensor, and the liquid level sensor is arranged on the ink box main part and extends into the ink inlet cavity.

[0008] As an optional implementation, in the utility model embodiment, the buffer ink box further comprises a thermocouple probe, and the thermocouple probe is arranged on the ink box main part and extends into the ink inlet cavity.

[0009] As an optional implementation, in the embodiment of the utility model, the buffer ink box further includes an air pipe, the air pipe is communicated with the ink inlet cavity and is used for being communicated with an air bottle.

[0010] As an optional implementation, in the embodiment of the utility model, the buffer ink box further includes a second ink inlet pipe and a second ink return pipe, the second ink inlet pipe is communicated with the ink inlet cavity and is used for being connected with an ink supply ink box, the second ink return pipe is communicated with the ink return cavity and is used for being connected with the ink supply ink box.

[0011] As an optional implementation, in the embodiment of the utility model, the first ink inlet pipe and the first ink return pipe are both connected with the bottom wall of the ink box body, and the second ink inlet pipe and the second ink return pipe are both connected with the side wall of the ink box body.

[0012] As an optional implementation, in the embodiment of the utility model, the ink box body includes a base and an upper cover, the upper cover is covered on the base, and the ink inlet cavity and the ink return cavity are formed by the upper cover and the base.

[0013] As an optional implementation, in the embodiment of the utility model, the ink box body further includes a sealing gasket, the sealing gasket is abutted between the base and the upper cover.

[0014] The embodiment of the utility model has the following beneficial effects:

[0015] The utility model discloses a buffer ink box that includes an ink box body, a first ink inlet pipe, a first ink return pipe and two heating sheets, the ink box body is equipped with an ink inlet cavity and an ink return cavity, the first ink inlet pipe is communicated with the ink inlet cavity and is used for being connected with a nozzle, the first ink return pipe is communicated with the ink return cavity and is used for being connected with the nozzle, one of the heating sheets covers a side wall of the ink inlet cavity on the ink box body, and the other heating sheet covers a side wall of the ink return cavity on the ink box body. By adopting the design, the ink in the ink inlet cavity is transported to the nozzle through the first ink inlet pipe, the ink that is not sprayed in the nozzle is transported back to the ink return cavity through the first ink return pipe, one of the heating sheets can heat the ink in the ink inlet cavity, and the other heating sheet can heat the ink in the ink return cavity, which can promote the flow of the ink in the ink inlet cavity and the ink return cavity, thereby ensuring that the ink in the ink inlet cavity and the ink return cavity has good fluidity. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0017] Figure 1 A structure schematic diagram of the buffer ink box in the embodiment of the utility model;

[0018] Figure 2 A structure exploded schematic diagram of the buffer ink box in the embodiment of the utility model.

[0019] Among them, the sign meaning is as follows:

[0020] 1-ink box main body;11-ink cavity;12-ink return cavity;13-ink buffer spacer;14-base;15-upper cover;16-sealing washer;2-first ink inlet pipe;21-first regulating valve;3-first ink return pipe;31-second regulating valve;4-heating sheet;5-liquid level sensor;6-thermocouple probe;7-air pipe;8-second ink inlet pipe;9-second ink return pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the utility model, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0023] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. Those skilled in the art can understand the specific meaning of these terms in the utility model according to the specific situation.

[0024] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly linked, or indirectly linked through intermediate media, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] In addition, the terms "first", "second" and the like are mainly used to distinguish different devices, elements or components (the specific type and structure can be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated device, element or component. Unless otherwise stated, the meaning of "multiple" is two or more.

[0026] The technical scheme of the utility model will be further described below in conjunction with embodiments and drawings.

[0027] Please refer to Figure 1 and Figure 2 The utility model discloses a buffer ink box, buffer ink box includes ink box main body 1, first ink inlet pipe 2, first ink return pipe 3 and two heating sheets 4, is equipped with ink inlet cavity 11 and ink return cavity 12 on ink box main body 1, first ink inlet pipe 2 is communicated in ink inlet cavity 11 and is used to be connected in ink head, first ink return pipe 3 is communicated in ink return cavity 12 and is used to be connected in ink head, one heating sheet 4 covers in ink box main body 1 corresponding one side wall of ink inlet cavity 11, another heating sheet 4 covers in ink box main body 1 corresponding one side wall of ink return cavity 12. Adopt such design mode, the ink in ink inlet cavity 11 is transported to ink head by first ink inlet pipe 2, the ink not finished in ink head is transported back to ink return cavity 12 by first ink return pipe 3, one heating sheet 4 can heat the ink in ink inlet cavity 11, another heating sheet 4 can heat the ink in ink return cavity 12, can promote the flow of the ink in ink inlet cavity 11 and ink return cavity 12, to ensure that the ink in ink inlet cavity 11 and ink return cavity 12 has good fluidity.

[0028] Preferably, two heating sheets 4 are all 200W heating sheets 4, so as to be able to heat rapidly. Compared with traditional dispersion type heating sheet 4, the time of ink heating can be shortened, so as to improve the accuracy of system determination.

[0029] In some embodiments, the ink buffering partition 13 is arranged in the ink inlet cavity 11 and / or the ink return cavity 12. In this way, on the one hand, the ink buffering partition 13 can reduce the vibration and impact of the ink in the ink inlet cavity 11 and / or the ink return cavity 12 during use, which helps to maintain the quality and stability of the ink; on the other hand, the ink buffering partition 13 can control the flow and distribution of the ink, ensuring that the ink is evenly distributed during printing. In this embodiment, the ink buffering partition 13 is arranged in both the ink inlet cavity 11 and the ink return cavity 12. It should be understood that in other embodiments, the ink buffering partition 13 can also be arranged in only the ink inlet cavity 11 or only the ink return cavity 12, which is not limited herein.

[0030] In some embodiments, the first regulating valve 21 is arranged on the first ink inlet pipe 2 to control the conduction and disconnection of the first ink inlet pipe 2, and the second regulating valve 31 is arranged on the first ink return pipe 3 to control the conduction and disconnection of the first ink return pipe 3. In this way, when ink needs to be sprayed, the first regulating valve 21 is opened to make the first ink inlet pipe 2 conductive, and the ink in the ink inlet cavity 11 is transported to the inkjet head for spraying; when ink does not need to be sprayed, the first regulating valve 21 is closed, and the first ink inlet pipe 2 is disconnected to avoid the inkjet head from spraying. Similarly, when ink needs to be returned, the second regulating valve 31 is opened to make the first ink return pipe 3 conductive, and the ink in the inkjet head can be transported to the ink return cavity 12; when ink does not need to be returned, the second regulating valve 31 is closed, and the first ink return pipe 3 is disconnected to avoid the inkjet head from returning ink.

[0031] In some embodiments, in order to monitor the liquid level in the ink inlet cavity 11, the buffer ink cartridge further comprises a liquid level sensor 5 arranged on the ink cartridge body 1 and extending into the ink inlet cavity 11. In this way, when the liquid level in the ink inlet cavity 11 does not meet the requirements, the liquid level sensor 5 will feedback, thereby increasing the supply of ink from the buffer ink cartridge to the supply ink cartridge.

[0032] In some embodiments, in order to monitor the temperature of the ink in the ink inlet cavity 11, the buffer ink cartridge further comprises a thermocouple probe 6 arranged on the ink cartridge body 1 and extending into the ink inlet cavity 11. In this way, the thermocouple probe 6 can timely detect and feedback the actual temperature of the ink in the ink inlet cavity 11.

[0033] In some embodiments, the buffer ink cartridge further comprises an air pipe 7 connected to the ink inlet cavity 11 and used to be connected to an air bottle. In this way, the air bottle can help maintain the pressure balance between the inside and outside of the ink inlet cavity 11. When the ink flows from the ink inlet cavity 11 to the inkjet head, the air in the air bottle can be supplemented into the ink inlet cavity 11 to prevent negative pressure from being formed in the ink inlet cavity 11, thereby ensuring that the ink in the ink inlet cavity 11 can flow smoothly to the inkjet head.

[0034] In some embodiments, in order to buffer the ink cartridge can supply ink from the ink supply cartridge and return ink to the ink supply cartridge, the buffer ink cartridge further comprises a second ink inlet pipe 8 and a second ink return pipe 9, the second ink inlet pipe 8 is communicated with the ink inlet cavity 11 and is used to connect the ink supply cartridge, and the second ink return pipe 9 is communicated with the ink return cavity 12 and is used to connect the ink supply cartridge.

[0035] Further, the first ink inlet pipe 2 and the first ink return pipe 3 are both connected to the bottom wall of the ink cartridge body 1, facilitating ink supply to the inkjet head and ink return of the inkjet head, and the second ink inlet pipe 8 and the second ink return pipe 9 are both connected to the side wall of the ink cartridge body 1.

[0036] In some embodiments, in order to form the above-mentioned ink inlet cavity 11 and ink return cavity 12, the ink cartridge body 1 comprises a base 14 and a cover 15, the cover 15 is covered on the base 14, and the cover 15 and the base 14 are surrounded to form the ink inlet cavity 11 and the ink return cavity 12.

[0037] Further, considering that the gap between the cover 15 and the base 14 will cause the ink in the ink inlet cavity 11 and the ink return cavity 12 to leak, the ink cartridge body 1 further comprises a sealing gasket 16, the sealing gasket 16 abuts between the cover 15 and the base 14, thereby improving the sealing between the cover 15 and the base 14.

[0038] The buffer ink cartridge provided by the utility model, comprising ink cartridge body 1, first ink inlet pipe 2, first ink return pipe 3 and two heating pieces 4, ink cartridge body 1 is equipped with ink inlet cavity 11 and ink return cavity 12, first ink inlet pipe 2 is communicated with ink inlet cavity 11 and is used to connect inkjet head, first ink return pipe 3 is communicated with ink return cavity 12 and is used to connect inkjet head, one heating piece 4 covers the side wall of ink cartridge body 1 corresponding to ink inlet cavity 11, and the other heating piece 4 covers the side wall of ink cartridge body 1 corresponding to ink return cavity 12. With such a design, the ink in the ink inlet cavity 11 is transported to the inkjet head through the first ink inlet pipe 2, the ink not sprayed in the inkjet head is transported back to the ink return cavity 12 through the first ink return pipe 3, one heating piece 4 can heat the ink in the ink inlet cavity 11, and the other heating piece 4 can heat the ink in the ink return cavity 12, which can promote the flow of the ink in the ink inlet cavity 11 and the ink return cavity 12, thereby ensuring that the ink in the ink inlet cavity 11 and the ink return cavity 12 has good fluidity.

[0039] The buffer ink cartridge disclosed in the embodiments of the utility model is introduced in detail, and the principles and implementation modes of the utility model are described by using examples; the above-mentioned embodiment is only used to help understand the buffer ink cartridge and the core idea thereof; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A buffer cartridge, characterized by, The ink cartridge comprises an ink cartridge body (1), a first ink inlet pipe (2), a first ink return pipe (3) and two heating sheets (4), the ink cartridge body (1) is provided with an ink inlet cavity (11) and an ink return cavity (12), the first ink inlet pipe (2) is communicated with the ink inlet cavity (11) and is used for connecting a nozzle, the first ink return pipe (3) is communicated with the ink return cavity (12) and is used for connecting the nozzle, one of the heating sheets (4) covers a side wall of the ink inlet cavity (11) on the ink cartridge body (1), and the other of the heating sheets (4) covers a side wall of the ink return cavity (12) on the ink cartridge body (1).

2. The cushioning cartridge of claim 1, wherein: An ink buffer partition (13) is arranged in the ink inlet cavity (11) and / or the ink return cavity (12).

3. The cushioning ink cartridge of claim 1, wherein: A first adjusting valve (21) is arranged on the first ink inlet pipe (2), the first adjusting valve (21) controls the opening and closing of the first ink inlet pipe (2), a second adjusting valve (31) is arranged on the first ink return pipe (3), the second adjusting valve (31) controls the opening and closing of the first ink return pipe (3).

4. The buffer cartridge of any one of claims 1 to 3, wherein: The buffer ink cartridge further comprises a liquid level sensor (5), the liquid level sensor (5) is arranged on the ink cartridge body (1) and extends into the ink inlet cavity (11).

5. The buffer cartridge of any one of claims 1 to 3, wherein: The buffer ink cartridge further comprises a thermocouple probe (6), the thermocouple probe (6) is arranged on the ink cartridge body (1) and extends into the ink inlet cavity (11).

6. The buffer cartridge of any one of claims 1 to 3, wherein: The buffer ink cartridge further comprises an air pipe (7), the air pipe (7) is communicated with the ink inlet cavity (11) and is used for being communicated with an air bottle.

7. The buffer cartridge of any one of claims 1 to 3, wherein: The buffer ink cartridge further comprises a second ink inlet pipe (8) and a second ink return pipe (9), the second ink inlet pipe (8) is communicated with the ink inlet cavity (11) and is used for connecting a supply ink cartridge, the second ink return pipe (9) is communicated with the ink return cavity (12) and is used for connecting the supply ink cartridge.

8. The cushioning cartridge of claim 7, wherein: The first ink inlet pipe (2) and the first ink return pipe (3) are connected to the bottom wall of the ink cartridge body (1), the second ink inlet pipe (8) and the second ink return pipe (9) are connected to the side wall of the ink cartridge body (1).

9. The buffer cartridge of any one of claims 1 to 3, wherein: The ink cartridge body (1) comprises a base (14) and an upper cover (15), the upper cover (15) covers the base (14), and the ink inlet cavity (11) and the ink return cavity (12) are formed between the upper cover (15) and the base (14).

10. The buffer cartridge of claim 9, wherein: The ink cartridge body (1) further comprises a sealing gasket (16), the sealing gasket (16) abuts between the base (14) and the upper cover (15).

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