Ink box with ink circulation heating function

Abstract

The utility model discloses an ink box with an ink circulation heating function. The device comprises an ink circulating device, an ink storage box and an outer heating shell arranged outside the ink storage box in a sleeving mode, a water bath heating cavity is formed between the ink storage box and the outer heating shell, openings communicated with the water bath heating cavity are symmetrically formed in the left side and the right side of the top of the outer heating shell, and ink storage cavities are formed in the ink storage box in a bilateral symmetry mode; the two ink storage cavities are connected through an ink circulating device, an ink inlet is formed in the ink storage cavity located on the right side, the ink circulating device is used for circulating and exchanging ink in the two ink storage cavities, and a first ink outlet is formed in the bottom of each ink storage cavity. According to the utility model, the phenomenon of self-precipitation of the circulated ink can be reduced, and air can be prevented from being dissolved in the ink.

Description

TECHNICAL FIELD

[0001] The utility model relates to printer parts technical field especially relates to an ink cartridge with ink circulation heating function. BACKGROUND

[0002] In the printing production process, the ink for printing generally needs heating treatment, the ink after heating has better printing effect, the existing heating mode is water bath heating ink cartridge, only one ink storage cavity is in the ink cartridge, because the ink in the ink cartridge does not flow, so the phenomenon of ink self precipitation is prone to appear when heating, and the air in the ink cartridge also dissolves in the ink, which causes damage to the printing head. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned technical problem, provide an ink cartridge with ink circulation heating function, the circulation after ink can reduce the phenomenon of self precipitation, and can avoid air dissolving in the ink.

[0004] In order to solve above-mentioned problem, the utility model discloses the following technical scheme to realize:

[0005] The utility model discloses an ink cartridge with ink circulation heating function, including ink circulation device, ink storage box and the outer heating shell of the ink storage box outside, the water bath heating cavity is formed between the ink storage box and the outer heating shell, the opening of water bath heating cavity is symmetrically equipped with in the top left and right sides of the outer heating shell, the ink storage cavity is symmetrically equipped with in the ink storage box, and two ink storage cavities are connected through the ink circulation device, and the ink inlet is equipped on the ink storage cavity in the right side, the ink circulation device is used for circulating the ink in two ink storage cavities, and the first ink outlet is equipped at the bottom of the ink storage cavity.

[0006] In the scheme, the ink in the ink barrel is input in the ink storage cavity in the right side through the ink inlet, and the ink is input in the ink storage cavity in the left side through the ink circulation device, so that the two ink storage cavities are added with the preset amount of ink, the opening on one side of the top of the outer heating shell is the water inlet, and the opening on the other side is the water outlet, hot water is injected into the water bath heating cavity through the water inlet, and is discharged through the water outlet, the hot water flowing in the water bath heating cavity uniformly heats the ink in the two ink storage cavities in the ink storage box, because the ink in the two ink storage cavities is always circulated, the self precipitation of the ink and the air dissolving in the ink can be reduced.

[0007] As preferred, the bottom of the ink storage box is provided with a shunt box, the shunt box is provided with a shunt cavity symmetrically in front and back, the shunt cavity is one-to-one corresponding with the first ink outlet and is communicated with the corresponding first ink outlet, and the bottom of the shunt cavity is provided with a plurality of second ink outlets.

[0008] As preferred, the ink circulation device comprises a circulation pump and two liquid level sensors corresponding to the ink storage chambers respectively, the detection end of the liquid level sensor extends into the corresponding ink storage chamber, the circulation ink outlet is arranged on the right ink storage chamber, and the circulation ink inlet is arranged on the left ink storage chamber, the liquid inlet end of the circulation pump is communicated with the circulation ink outlet, the liquid outlet end of the circulation pump is communicated with the circulation ink inlet, the two second ink outlets are connected with the printing ink storage chambers in the printing head through the connecting pipelines respectively, and the overflow outlets are arranged on the top of the ink storage box corresponding to the positions of the ink storage chambers.

[0009] The first ink outlet of the right ink storage chamber is communicated with the front split chamber, the two overflow outlets are communicated with the external negative pressure pump respectively, the negative pressure pump extracts the air in the ink storage chamber through the overflow outlet to generate negative pressure in the ink storage chamber, the negative pressure in the right ink storage chamber is higher than that in the left ink storage chamber, the ink in the ink tank is input into the right ink storage chamber through the ink inlet, the ink flows into the front split chamber through the first ink outlet due to the action of gravity, the ink gradually fills the front split chamber and starts to store ink in the right ink storage chamber, when the ink height reaches the position of the circulation ink outlet, the circulation pump works to extract the ink in the right ink storage chamber through the circulation ink outlet and input the ink into the left ink storage chamber through the circulation ink inlet, so that the two ink storage chambers store ink at the same time. When the circulation pump extracts the ink in the right ink storage chamber, negative pressure appears in the right ink storage chamber, the negative pressure extracts the ink in the printing ink storage chamber in the printing head through the connecting pipeline, due to the reduction of the ink in the printing ink storage chamber in the printing head, the ink in the ink storage chamber on the other side and the split chamber is transported to the printing ink storage chamber, so as to complete the circulation. When the ink in the two ink storage chambers reaches the preset value, the ink tank stops supplying ink. The circulation pump continues to work to make the ink in the two ink storage chambers have a certain range of height difference, and the liquid level height changes all the time during circulation.

[0010] As preferred, the temperature sensor is arranged in one of the ink storage chambers. When the temperature sensor detects that the ink in the ink storage chamber is heated to a specified temperature, the heating temperature and flow rate of the hot water are controlled by an external software program to stabilize the temperature in the specified temperature range.

[0011] As preferred, the split plates are vertically arranged in the water bath heating chamber, the split plates are arranged below the openings on the corresponding side, the split plates are provided with split holes on the top, and the split holes are arranged in front and back directions.

[0012] As preferred, the split holes are in the form of downwardly recessed arcs.

[0013] As preferred, the overflow outlets are connected with the negative pressure pump.

[0014] The beneficial effects of the utility model are as follows: the ink circulation device can continuously circulate the ink in the two ink storage chambers, and the ink in the two ink storage chambers is kept at the same height while reducing the situation of air dissolving in the ink, thereby avoiding the phenomenon of ink self-precipitation; the diverter plate can evenly distribute the injected hot water to the water bath heating chamber, ensuring that the heating capacity of the water bath heating chamber for the two ink storage chambers is consistent, so that the ink is heated evenly; when the ink in the ink storage chamber exceeds the maximum capacity of the ink storage chamber, the excess ink can be discharged through the overflow port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Fig. 1 It is a structural diagram of the utility model;

[0016] Fig. 2 This is a schematic structural diagram of the water bath heating chamber in the utility model;

[0017] Fig. 3 It is a structural schematic diagram of the ink storage chamber in the utility model.

[0018] In the figure: 1. Ink storage cartridge, 11. Ink storage chamber, 111. Ink inlet, 112. Circulating ink outlet, 113. Circulating ink inlet, 12. First ink outlet, 2. External heating shell, 3. Water bath heating chamber, 31. Diverter plate, 311. Diverter hole, 4. Diverter box, 41. Diverter chamber, 42. Second ink outlet, 5. Liquid level sensor, 6. Temperature sensor, 7. Overflow port. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0020] Example: This embodiment is an ink cartridge with an ink circulation heating function, such as Figs. 1 to 3 As shown, it includes an ink circulation device, an ink storage cartridge 1 and an external heating shell 2 mounted outside the ink storage cartridge 1, a water bath heating chamber 3 is formed between the ink storage cartridge 1 and the external heating shell 2, and openings connected to the water bath heating chamber 3 are symmetrically provided on the left and right sides of the top of the external heating shell 2. Ink storage chambers 11 are symmetrically provided in the ink storage cartridge 1, and the two ink storage chambers 11 are connected through the ink circulation device. An ink inlet 111 is provided on the ink storage chamber 11 on the right, and a first ink outlet 12 is provided at the bottom of the ink storage chamber 11.

[0021] A diverter box 4 is provided at the bottom of the ink storage box 1, and a diverter cavity 41 is symmetrically provided in the front and back of the diverter box 4. The diverter cavity 41 corresponds one-to-one to the ink storage cavity 11 and is connected to the corresponding first ink outlet 12. A plurality of second ink outlets 42 are provided at the bottom of the diverter cavity 41.

[0022] The ink circulation device comprises a circulation pump and two liquid level sensors 5 corresponding to the ink storage chambers 11, the detection end of the liquid level sensor 5 extends into the corresponding ink storage chamber 11, the ink storage chamber 11 on the right side is provided with a circulation ink outlet 112, the ink storage chamber 11 on the left side is provided with a circulation ink inlet 113, the liquid inlet end of the circulation pump is communicated with the circulation ink outlet 112, and the liquid outlet end of the circulation pump is communicated with the circulation ink inlet 113. The bottom of the shunt box 4 is provided with a nozzle at the position corresponding to the second ink outlet 42, the liquid inlet end of the nozzle is communicated with the second ink outlet 42 on one side, and the liquid inlet end of the nozzle is communicated with the second ink outlet 42 on the other side.

[0023] The temperature sensor 6 also comprises a detection end extending into the ink storage chamber 11 on the right side.

[0024] The water bath heating chamber 3 is provided with a shunt plate 31 symmetrically arranged on the left and right sides, the shunt plate 31 is vertically arranged, the shunt plate 31 is located below the opening on the corresponding side, the top of the shunt plate 31 is provided with a shunt hole 311, and the shunt hole 311 is arranged in a front-rear direction. The shunt hole 311 is in an arc shape downwardly recessed.

[0025] The ink storage box 1 is provided with an overflow port 7 at the position corresponding to the ink storage chamber 11 on the top left and right sides. The overflow port 7 is connected with a negative pressure pump.

[0026] In the scheme, the two overflow ports are respectively communicated with the negative pressure pump in the external environment, the negative pressure pump draws the air in the ink storage chamber through the overflow port to generate negative pressure in the ink storage chamber, the negative pressure in the ink storage chamber on the right side is higher than that in the ink storage chamber on the left side, the ink in the ink tank is input into the ink storage chamber on the right side through the ink inlet, due to the action of gravity, the ink flows into the front shunt chamber through the first ink outlet, the ink flowing from the first ink outlet gradually fills the shunt chamber and starts to store ink in the ink storage chamber on the right side, when the ink height reaches the position of the circulation ink outlet, the circulation pump works, the ink in the ink storage chamber on the right side is drawn through the circulation ink outlet, and then input into the ink storage chamber on the left side through the circulation ink inlet, so that the two ink storage chambers store ink at the same time. When the circulation pump draws the ink in the ink storage chamber on the right side, negative pressure appears in the ink storage chamber on the right side, the negative pressure draws the ink in the printing ink storage chamber in the printing nozzle through the connecting pipeline, due to the decrease of the ink in the printing ink storage chamber in the printing nozzle, the ink in the ink storage chamber on the other side and the shunt chamber is transported to the printing ink storage chamber, so as to complete the circulation. When the ink in the two ink storage chambers reaches the preset value, the liquid level sensor is triggered, at this time, the ink supply of the ink tank is stopped. The circulation pump continues to work, so that the ink in the two ink storage chambers has a certain height difference, and the liquid level height always changes during the circulation.

[0027] The opening on the left side of the top of the outer heating shell is the water inlet, and the opening on the right side is the water outlet. Hot water is injected into the water bath heating cavity through the water inlet and discharged through the water outlet. The hot water flowing in the water bath heating cavity heats the ink in the two ink storage cavities in the ink storage box. When the temperature sensor detects that the ink in the ink storage cavity is heated to a specified temperature, the temperature and flow rate of the hot water are maintained by controlling the water chiller, so that the rapid over-temperature phenomenon does not occur, and the temperature of the ink can be stably controlled.

[0028] The hot water is injected through the opening and uniformly distributed to the water bath heating cavity by the flow distribution plate, so that the heating capacity of the water bath heating cavity to the two ink storage cavities is consistent.

Claims

1. An ink cartridge with ink circulation heating function, characterized in that: The invention comprises an ink circulation device, an ink storage box (1), and an external heating shell (2) sleeved outside the ink storage box (1); a water bath heating chamber (3) is formed between the ink storage box (1) and the external heating shell (2); openings communicating with the water bath heating chamber (3) are symmetrically provided on the left and right sides of the top of the external heating shell (2); ink storage chambers (11) are symmetrically provided in the ink storage box (1); the two ink storage chambers (11) are connected through the ink circulation device; the ink storage chamber (11) located on the right side is provided with an ink inlet (111); the ink circulation device is used to circulate the ink in the two ink storage chambers (11); and a first ink outlet (12) is provided at the bottom of the ink storage chamber (11).

2. The ink cartridge with ink circulation heating function according to claim 1, characterized in that: A diversion box (4) is provided at the bottom of the ink storage box (1), and a diversion cavity (41) is symmetrically provided in the front and rear of the diversion box (4). The diversion cavity (41) corresponds to the first ink outlet (12) one by one and is communicated with the corresponding first ink outlet (12). A second ink outlet (42) is provided at the bottom of the diversion cavity (41).

3. The ink cartridge with ink circulation heating function according to claim 2, characterized in that: The ink circulation device comprises a circulation pump and two liquid level sensors (5), wherein the liquid level sensors (5) correspond to the ink storage chambers (11) one by one, and the detection end of the liquid level sensor (5) extends into the corresponding ink storage chamber (11), the ink storage chamber (11) located on the right is provided with a circulation ink outlet (112), and the ink storage chamber (11) located on the left is provided with a circulation ink inlet (113), the liquid inlet end of the circulation pump is communicated with the circulation ink outlet (112), the liquid outlet end of the circulation pump is communicated with the circulation ink inlet (113), the two second ink outlets (42) are respectively connected to the printing ink storage chamber in the printing nozzle through connecting pipes, and overflow ports (7) are provided at the left and right sides of the top of the ink storage box (1) corresponding to the ink storage chamber (11).

4. The ink cartridge with ink circulation heating function according to claim 1, characterized in that: It also includes a temperature sensor (6), wherein the detection end of the temperature sensor (6) extends into one of the ink storage chambers (11).

5. The ink cartridge with ink circulation heating function according to claim 1, 2, 3 or 4, characterized in that: A diverter plate (31) is symmetrically arranged in the water bath heating chamber (3). The diverter plate (31) is vertically arranged and located below the opening on the corresponding side. A diverter hole (311) is provided on the top of the diverter plate (31), and the diverter hole (311) is arranged in a front-to-back direction.

6. The ink cartridge with ink circulation heating function according to claim 5, characterized in that: The diversion hole (311) is in a downwardly concave arc shape.

7. The ink cartridge with ink circulation heating function according to claim 3, characterized in that: The overflow port (7) is connected to a negative pressure pump.

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