CN112959822B

CN112959822B - Printer convenient to change printing ink

Info

Publication number: CN112959822B
Application number: CN202110123963.0A
Authority: CN
Inventors: 罗志芬
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-02-08
Anticipated expiration: 2041-01-29
Also published as: CN112959822A

Abstract

The invention relates to the field of ink supply systems, in particular to a printer convenient for ink replacement, which comprises a printer body, wherein an ink box is arranged in the printer body, a supplement box is arranged outside the printer body, a filling pipe is fixedly arranged on the outer side wall of the supplement box, a flow guide pipe positioned in the filling pipe is fixedly arranged on the outer side wall of the supplement box, and the flow guide pipe is communicated with the inside of the supplement box; the end part of the filling pipe is inserted into the printer body, a sealing plate is fixedly arranged on the end part of the filling pipe, which is positioned on the printer body, and a pipe head communicated with the filling pipe is fixedly arranged on the sealing plate; the outer thread of the filling pipe is connected with a screwing sleeve, the middle part of the screwing sleeve is fixedly provided with a resisting plate, and a resisting pipe for inserting the pipe head is fixedly arranged on the resisting plate; the ink box top is fixed with the replacement tube, and the top of the replacement tube is hinged with a sealing mechanism which can be pushed open by the pushing tube, and the screwing sleeve can be screwed outside the replacement tube. The ink-jet printer can directly replace ink outside the printer body, and is more convenient and faster to use.

Description

Printer convenient to change printing ink

Technical Field

The invention relates to the field of ink supply systems, in particular to a printer convenient for ink replacement.

Background

A printer is a common office appliance, and is used for printing an output result of a computer on paper. There are many types of printers, such as ink jet printers. The most important part of the printer is the ink box, which is a mechanism for storing ink required for printing, and the ink box is limited in the amount of ink stored, so that the ink box needs to be replaced frequently as a consumable part of the printer. At present, the ink box of a part of the printer is troublesome to replace.

To the change problem of ink horn, the patent that publication number is CN108909191A discloses a printer convenient to change printing ink, including printer body, one side of printer body is equipped with the cavity, and the lateral wall of cavity has seted up the opening, open-ended lower extreme lateral wall is rotated through the pivot and is connected with the shrouding that matches with the opening, the shrouding is hollow structure, be equipped with latch mechanism in the shrouding, the lower extreme inner wall fixedly connected with mount pad of cavity, and the upper end lateral wall of mount pad has seted up the ascending mounting groove of opening, one side lateral wall of mounting groove has the roof of vertical setting through a plurality of first spring coupling that transversely set up, be equipped with the ink horn in the mounting groove, and the ink horn offsets with the roof and sets up. Utilize roof and riser mutual extruded effect to fix the printing ink box on the mount pad, under fixed stable prerequisite, conveniently dismantle the change again, the shrouding seals the cavity moreover, has saved the trouble of dismantling whole printer.

When the printer is used, the printer body still needs to be opened for replacement, and the operation is still troublesome.

Disclosure of Invention

The invention aims to provide a printer convenient for replacing ink, so as to solve the problem that the ink is more troublesome to replace by opening a printer body.

The printer convenient for replacing the ink comprises a printer body, wherein an ink box is arranged in the printer body, a supplement box is arranged outside the printer body, a filling pipe is fixedly arranged on the outer side wall of the supplement box, a flow guide pipe positioned in the filling pipe is fixedly arranged on the outer side wall of the supplement box, and the flow guide pipe is communicated with the inside of the supplement box; the end part of the filling pipe is inserted into the printer body, a sealing plate is fixedly arranged on the end part of the filling pipe, which is positioned on the printer body, and a pipe head communicated with the filling pipe is fixedly arranged on the sealing plate; the filling pipe is externally connected with a rotating sleeve in a threaded manner, a supporting plate is fixedly arranged in the middle of the rotating sleeve, and a pressure pipe for inserting the pipe head is fixedly arranged on the supporting plate; the ink box is characterized in that a replacement tube is fixedly arranged at the top end of the ink box, a sealing mechanism which can be pushed open by a pushing tube is hinged to the top end of the replacement tube, and the screwing sleeve can be screwed outside the replacement tube.

The beneficial effect of this scheme is:

after the ink box is installed, the screwing sleeve is screwed on the replacement pipe by screwing the screwing sleeve downwards, and the pressing pipe is driven to press open a sealing mechanism in the replacement pipe when the screwing sleeve moves downwards so as to enter the replacement pipe; when the ink needs to be changed at the ink horn, let the ink in the replenishment box flow in the filling tube from the honeycomb duct, the filling tube can keep in the ink through the sealed of shrouding, when the tube head supports out sealing mechanism, the tube head inserts and supports in the tube, let the ink in the filling tube follow behind the tube head support the tube flow in the ink horn, the ink can not glue on sealing mechanism, can not let the ink adhesion outside the ink horn to can be directly carry out the ink change outside printer body, use more convenient and fast.

Furthermore, a controlled switch is arranged on the flow guide pipe, the controlled switch is in signal connection with a controller, and the controller is in signal connection with a trigger.

The beneficial effects are that: the automatic switch of the flow guide pipe is controlled by the controller to control the controlled switch, so that the ink is automatically replaced, the ink is replaced more timely, and the ink-jet printing machine is more convenient to use.

Further, the trigger includes the shooting device, the shooting device shoots the paper image that the printer body printed out, the controller obtains the paper image and discerns the definition of printing the typeface on the paper, the controller controls controlled switch to open when the definition is less than the threshold value.

The beneficial effects are that: the printed paper image is shot through the shooting device, the definition of the printed font on the paper image is identified, and when the definition is smaller than a threshold value, the controller controls the controlled switch to be switched on, namely, the condition that ink in the ink box is lacked is directly found, so that the ink box is directly and timely replaced.

Further, the controller identifies region information on the sheet image, the region information including a bold region and a normal region, and the controller identifies the sharpness of the print font in the normal region.

The beneficial effects are that: according to the different areas on the paper image, the definition can be identified, because the thickened area is still clear when the ink is less, and the font of the common area is not clear when the ink is less, the accuracy of judging whether the ink is added is improved.

Further, sealing mechanism includes fixed plate and two movable plates, the fixed plate is fixed on the inner wall of more changing the pipe, set up on the fixed plate and supply to support the through-hole that the pressing pipe stretched into, the movable plate articulates on the relative lateral wall of fixed plate, the tip of movable plate is drawn close and is sheltered the through-hole in through-hole below department, set up the mounting hole with the movable plate one-to-one on the fixed plate, the joint has the extension spring in the mounting hole, the taut movable plate of extension spring.

The beneficial effects are that: the two movable plates can be in non-contact with the end part of the pressure pipe when being pressed open, the ink guided by the pressure pipe can not be stained on the sealing mechanism, the tension spring can enable the movable plates to reset after the pressing force is removed, and meanwhile the structure of the sealing mechanism can prevent the ink from overflowing the ink box.

Further, be equipped with the protection machanism who protects printer head on the printer body, protection machanism includes wax box and heater, liquid wax has been put in the wax box, the heater is located the lateral wall of wax box, the wax box is located the printer body internally, the wax box is located the tip department of being close to printer head, be equipped with the pipe on the wax box, the pipe is equipped with the heat preservation outward, the pipe tip is equipped with the bayonet joint that can insert printer head.

The beneficial effects are that: when protecting the printing head, the liquid wax in the wax box enters the printing head through the guide pipe, the printing head can be protected through the liquid wax, and the probability that the printing head is corroded and damaged by ink when not working is reduced.

Further, an air bag strip is fixedly arranged on the outer side wall of the plug-in connector, the air bag strip is connected with an air pipe, the air pipe is connected with an air pump, and the air pump is connected with a controller through signals.

The beneficial effects are that: the controller controls the air pump to charge air into the air bag strip, so that the air bag strip is expanded to block a conveying channel of ink, liquid wax is prevented from flowing into the ink box when the printing head is protected, and the ink is prevented from continuously flowing into the printing head when the printing head is protected.

Further, be equipped with detector and timer on the printer body, be equipped with electric control switch on the pipe, the operating condition of detector detection printer body, operating condition is including starting and stopping, and when operating condition for stopping and be in outside the preset working interval, controller control timer start timing and acquire time length regularly, when the time length is longer than time length in advance, controller control electric control switch opens.

The beneficial effects are that: the working state of the printer body is detected through the detector, and when the working state is stopped and is outside the preset working period, the electric control switch is controlled to be switched on by the controller, so that the conduit can convey the liquid wax, namely, when the situation that the printing is not needed is detected, the liquid wax is automatically conveyed, and the protection of the printing head is more timely and accurate.

Further, it is equipped with receiver and power unit to beat printer head below, mix in the liquid wax and print the pigment, the controller acquires the paper information of printer body and carries out type information's judgement, type information includes that waste paper prints and new paper prints, and when type information printed for waste paper, controller control air pump stop work, when type information printed for new paper, controller control air pump start work, controller control power unit drives the receiver and removes to beating printer head below.

The beneficial effects are that: the liquid wax that the protection was beaten printer head is handled according to different paper, can avoid liquid wax to influence the normal use of printer body.

Drawings

FIG. 1 is a longitudinal cross-sectional view of a printer body in accordance with one embodiment of the present invention for facilitating ink replacement;

FIG. 2 is a longitudinal cross-sectional view of the fill tube and the replacement tube of FIG. 1;

FIG. 3 is a diagram illustrating a positional relationship between a wax cartridge and a printhead in a second embodiment of the printer facilitating ink replacement according to the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic block diagram of a third embodiment of a printer that facilitates ink replacement according to the present invention.

Detailed Description

The following is a more detailed description of the present invention by way of specific embodiments.

Reference numerals in the drawings of the specification include: the ink-jet printer comprises a printer body 1, a supplement box 2, a filling pipe 3, a screwing sleeve 4, a replacement pipe 5, an ink box 6, a guide pipe 7, a sealing plate 8, a pipe head 9, a abutting plate 10, an abutting pipe 11, a fixing plate 12, a moving plate 13, a tension spring 14, a wax box 15, a printing head 16, an air bag strip 17, a guide pipe 18, a heat-insulating layer 19 and a heater 20.

Example one

A printer facilitating ink replacement, as shown in fig. 1 and 2: the printer comprises a printer body 1, wherein the printer body 1 can adopt the existing printer structure; the ink box 6 is installed in the printer body 1, and the installation structure of the ink box 6 and the printer body 1 can adopt the existing structure, which is not described herein again.

A supplement box 2 is clamped outside the printer body 1, ink is filled in the supplement box 2, the ink can be phase-change ink, and a heating wire is arranged in the inner wall of the supplement box 2 to increase the temperature of the phase-change ink for use; the outer side wall of the supplement box 2 is welded with a filling pipe 3, the outer side wall of the supplement box 2 is welded with a flow guide pipe 7 positioned in the filling pipe 3, and the flow guide pipe 7 is communicated with the inside of the supplement box 2; the end part of the filling pipe 3 is inserted into the printer body 1, a sealing plate 8 is welded on the end part of the filling pipe 3 positioned on the printer body 1, and a pipe head 9 communicated with the filling pipe 3 is welded on the sealing plate 8; the external thread of the filling pipe 3 is connected with a screwing sleeve 4, namely the external thread is arranged on the outer side wall of the filling pipe 3, and the internal thread is arranged in the screwing sleeve 4; a pressing plate 10 is welded in the middle of the screwing sleeve 4, a pressing pipe 11 for inserting the pipe head 9 is welded on the pressing plate 10, and the pressing pipe 11 is communicated with the space above and below the pressing plate 10; the welding has the replacement pipe 5 on the 6 top of ink horn, and it has the sealing mechanism that can be supported to press pipe 11 to support to open to articulate on the top of replacement pipe 5, revolves to twist set 4 and can twist on replacement pipe 5 lateral wall, has the external screw thread on replacement pipe 5 lateral wall promptly.

The honeycomb duct 7 is provided with a controlled switch which can use the existing micro magnetic switch, the controlled switch is connected with a controller by signals, the controller can use the existing single chip microcomputer chip, and the controller is connected with a trigger by signals; the trigger shoots the paper image that printer body 1 printed out including shooing the ware, and the controller acquires the definition of printing the typeface on paper image and the discernment paper, specifically is: the controller identifies area information on the paper image, wherein the area information comprises a thickening area and a common area, and the controller identifies the definition of a printing font in the common area; the controller controls the controlled switch to be turned on when the definition is smaller than the threshold value, namely the trigger triggers the controlled switch to be turned on through the definition of the fonts on the shot paper image.

Sealing mechanism includes fixed plate 12 and two movable plates 13, and fixed plate 12 welds on the inner wall of more changing pipe 5, offers the through-hole that supplies to press pipe 11 to stretch into on the fixed plate 12, and movable plate 13 articulates on the relative lateral wall of fixed plate 12, and the tip of movable plate 13 is drawn close and is sheltered the through-hole in through-hole below department, offers the mounting hole with movable plate 13 one-to-one on the fixed plate 12, and the joint has extension spring 14 in the mounting hole, and the taut movable plate 13 of extension spring 14.

The specific implementation process is as follows:

after an ink box 6 is installed in the printer body 1, the screwing sleeve 4 is screwed downwards, the screwing sleeve 4 is screwed on the replacement tube 5, the pressing tube 11 is driven to press against a sealing mechanism in the replacement tube 5 when the screwing sleeve 4 moves downwards, namely the pressing tube 11 presses against the moving plate 13 downwards, the moving plate 13 pulls the tension spring 14 to open a through hole, and the end part of the pressing tube 11 enters the replacement tube 5; in the printing process, a shooting device shoots a printed paper image, the controller identifies the definition of a font printed on the paper image, and when the definition is smaller than a threshold value, the controller controls the controlled switch to be switched on, so that ink in the replenishing box 2 can flow out of the flow guide pipe 7; when the ink box 6 needs to be replaced, the ink in the replenishing box 2 flows into the filling tube 3 from the flow guide tube 7, the filling tube 3 can temporarily store the ink through the sealing of the sealing plate 8, and the flowing speed of the ink is reduced; when the pressing pipe 11 supports the sealing mechanism, the pipe head 9 is inserted into the pressing pipe 11, ink in the filling pipe 3 flows into the ink box 6 from the pressing pipe 11 after passing through the pipe head 9, the end part of the pressing pipe 11 is located in the replacing pipe 5 and does not contact with the moving plate 13, the ink cannot be adhered to the sealing mechanism, the ink cannot be adhered to the ink box 6, and the ink can be directly replaced outside the printer body 1, so that the use is more convenient and rapid.

Example two

The difference from the first embodiment is that, as shown in fig. 3 and 4, a protection mechanism for protecting the print head 16 is installed on the printer body 1, the protection mechanism includes a wax box 15 and a heater 20, liquid wax is stored in the wax box 15, the heater 20 is located on the outer side wall of the wax box 15, the heater 20 can use an existing micro heating pipe, the wax box 15 is located above the print head 16 in the printer body 1, the wax box 15 is located at an end portion close to the print head 16, a conduit 18 for guiding away the liquid wax is bonded on the wax box 15, a heat insulation layer 19 is bonded outside the conduit 18, and a plug-in connector capable of being inserted into the print head 16 is bonded at an end portion of the conduit 18; elastic air bag strip 17 is bonded on the outer side wall of the plug, elastic air bag strip 17 is located on the side wall of the plug facing the side where the ink is output from the ink box 6, a soft air pipe is connected on air bag strip 17, the air pipe is connected with an air pump, the air pump can use the existing miniature air pump, and the air pump is connected with a controller through a signal.

Since part of the ink is easy to corrode the printing head 16, so that the printing head 16 is damaged, in the embodiment, the wax box 15 is kept at the temperature by the heater 20, the liquid state of the liquid wax is kept, when printing is not needed, the liquid wax in the wax box 15 can enter the printing head 16 through the conduit 18, the printing head 16 can be protected by the liquid wax, the probability that the printing head 16 is corroded and damaged by the ink when not in work is reduced, the wax box 15 is close to the printing head 16, the printing head 16 can be kept at a certain temperature, and the liquid wax cannot block the printing head 16; when the liquid wax protects the print head 16 and needs to block ink delivery, the controller can control the air pump to charge air into the air bag strip 17, so that the air bag strip 17 is expanded to block the ink delivery channel, thereby preventing the liquid wax from flowing into the ink box when the print head 16 is protected and preventing the ink from continuously flowing into the print head 16 when the print head 16 is protected.

EXAMPLE III

The difference from the second embodiment is that, as shown in fig. 5, a detector and a timer are installed on the printer body 1, an electronic control switch is installed on the conduit 18, the detector detects the operating state of the printer body 1, the operating state includes starting and stopping, for example, the starting state and the stopping state are distinguished by detecting the sound when the printer body 1 operates, when the operating state is stopped and is outside a preset operating period, the preset operating period can be set according to actual needs, for example, set to 9:00 a morning to 18:00 a afternoon, the controller controls the timer to start and acquire the timing duration, the timer can use an existing CD4060 counting chip, and when the timing duration is longer than the preset duration, the controller controls the electronic control switch to turn on.

The working state of the printer body 1 is detected through the detector, and when the working state is stopped and outside the preset working period, the controller controls the electric control switch to be switched on, so that the conduit 18 can convey the liquid wax, namely when the situation that the printing is not needed is detected, the liquid wax is automatically conveyed, and the protection of the printing head 16 is more timely and accurate.

Example four

The difference with the third embodiment is that a storage box and a power mechanism are installed below the printing head 16, a printing pigment is mixed in the liquid wax, the color of the printing pigment can be black or other colors, the controller acquires paper information of the printer body 1 to judge type information, the type information comprises waste paper printing and new paper printing, the type information is judged according to whether characters exist on the printed paper, the paper with the characters is used for printing, when the type information is used for printing, the controller controls the air pump to stop working, when the type information is used for printing new paper, the controller controls the air pump to start working, and the controller controls the power mechanism to drive the storage box to move below the printing head 16.

Through mixing the printing pigment in liquid wax, and judge the type of paper information, whether control the air pump stop work according to the type determination of paper, whether confirm to let gasbag strip 17 expand promptly, confirm to let the liquid wax that has the printing pigment in the printer head 16 print on new paper or waste paper, because new paper printing generally prints to more important content, do not use the liquid wax that has the printing colour to print this moment, guarantee the printing effect, let the receiver remove to printer head 16 below, the discharge of liquid wax can not arouse the damage of printer body 1, and print to waste paper, the printing of general interim content, use the liquid wax that contains the printing pigment to print, in the liquid wax that discharges and play the guard action, print, save the ink.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a printer convenient to change printing ink, includes printer body, this internal ink horn that is equipped with of printer, its characterized in that: a supplementary box is arranged outside the printer body, a filling pipe is fixedly arranged on the outer side wall of the supplementary box, a guide pipe positioned in the filling pipe is fixedly arranged on the outer side wall of the supplementary box, and the guide pipe is communicated with the inside of the supplementary box; the end part of the filling pipe is inserted into the printer body, a sealing plate is fixedly arranged on the end part of the filling pipe, which is positioned on the printer body, and a pipe head communicated with the filling pipe is fixedly arranged on the sealing plate; the filling pipe is externally connected with a rotating sleeve in a threaded manner, a supporting plate is fixedly arranged in the middle of the rotating sleeve, and a pressure pipe for inserting the pipe head is fixedly arranged on the supporting plate; the ink box comprises an ink box body, a rotating sleeve, a pressing pipe, a sealing mechanism, a rotating sleeve and a sealing mechanism, wherein the ink box body is provided with a sealing surface;

the printer comprises a printer body, a flow guide pipe, a heater, a wax box, an air pump, a gas pump and a controller, wherein the flow guide pipe is provided with a controlled switch, the controlled switch is in signal connection with the controller, the printer body is provided with a protection mechanism for protecting the printer head, the protection mechanism comprises the wax box and the heater, liquid wax is stored in the wax box, the heater is positioned on the outer side wall of the wax box, the wax box is positioned in the printer body and is positioned at the end part close to the printer head, the wax box is provided with a guide pipe, the end part of the guide pipe is provided with a plug-in connector which can be inserted into the printer head, the outer side wall of the plug-in connector is fixedly provided with the air bag strip, the air bag strip is connected with the gas pipe, the gas pipe is connected with the gas pump, the gas pump is in signal connection with the controller, a storage box and a power mechanism are arranged below the printer head, printing pigment is mixed in the liquid wax, and the controller acquires paper information of the printer body to judge type information, the type information comprises waste paper printing and new paper printing, when the type information is used paper printing, the controller controls the air pump to stop working, when the type information is new paper printing, the controller controls the air pump to start working, and the controller controls the power mechanism to drive the storage box to move to the position below the printing head.

2. The printer of claim 1 to facilitate ink change, wherein: the controller is connected with a trigger through signals.

3. The printer of claim 2 for facilitating ink replacement, wherein: the trigger includes the shooting ware, the shooting ware shoots the paper image that the printer body printed out, the controller acquires the paper image and discerns the definition of printing the typeface on the paper, the controller controls controlled switch and opens when the definition is less than the threshold value.

4. A printer to facilitate ink replacement according to claim 3, wherein: the controller identifies area information on the sheet image, the area information including a bold area and a normal area, and the controller identifies the sharpness of a print font in the normal area.

5. The printer of claim 2 for facilitating ink replacement, wherein: sealing mechanism includes fixed plate and two movable plates, the fixed plate is fixed on the inner wall of more changing the pipe, set up on the fixed plate and supply to support the through-hole that the pressing pipe stretched into, the movable plate articulates on the relative lateral wall of fixed plate, the tip of movable plate is drawn close and is sheltered the through-hole in through-hole below department, set up the mounting hole with the movable plate one-to-one on the fixed plate, the joint has the extension spring in the mounting hole, the taut movable plate of extension spring.

6. The printer of claim 2 for facilitating ink replacement, wherein: and a heat-insulating layer is arranged outside the guide pipe.

7. The printer of claim 6 for facilitating ink replacement, wherein: be equipped with detector and timer on the printer body, be equipped with electric control switch on the pipe, the operating condition of printer body is detected to the detector, operating condition is including starting and stopping, and when operating condition for stopping and be in outside the predetermined working period, controller control timer starts regularly and obtains regularly long time, and when the timing long time is longer than preset long time, controller control electric control switch opens.