CN211467859U

CN211467859U - Digital printing ink supply system

Info

Publication number: CN211467859U
Application number: CN201922334934.XU
Authority: CN
Inventors: 谢海彬; 钟银辉
Original assignee: Shenzhen Kaiyin Paper Co ltd
Current assignee: Shenzhen Kaiyin Paper Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-11
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a digital printing ink supply system, which comprises a printing box and a printing device arranged in the printing box, the printing device comprises a compression roller seat, a compression roller arranged on the compression roller seat and a printing roller which is erected in the printing box and is positioned below the compression roller, the compression roller and the printing roller are arranged in parallel up and down, an ink supply device is arranged in the printing box below the printing roller, the ink supply device comprises an ink box which is arranged in an open way and the open direction of the ink box faces the printing roller, an ink collecting box which is arranged below the ink box, a connecting pipe which is communicated with the ink box and the ink collecting box, and a pneumatic diaphragm pump which is arranged in the printing box, the input port of the pneumatic diaphragm pump is communicated with the ink collecting box, the output port of the pneumatic diaphragm pump is communicated with the ink box, and the connecting pipe is provided with a straight-through ball valve for controlling the opening and closing of the connecting pipe. The utility model discloses have and carry out recycle, improve economic benefits's effect to printing ink.

Description

Digital printing ink supply system

Technical Field

The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to a digital printing ink supply system is related to.

Background

Digital printers, which are machines that print text and images, are currently part of printing equipment. Digital printers typically consist of mechanisms for plating, inking, stamping, feeding (including folding), and the like. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate.

The current chinese patent that publication number is CN109808298A provides a surface printing equipment for packing carton, comprising a base plate, the bottom plate upper surface is provided with printing case and casing side by side, printing mechanism includes printing roller and compression roller, the bottom wall is provided with stores up the ink tank in the printing case, it is provided with the ink jet pipe on the ink tank to store up, the last atomizing nozzle of having seted up of ink jet pipe, atomizing nozzle is located the printing roller surface. Can carry out the packaging carton of not processing in batches through transport mechanism and go into the printing box in time, increase printing efficiency, the cleaning roller can be handled printing roller surface with refining board simultaneously, has increased the success rate of wrapping paper printing.

The above prior art solutions have the following drawbacks: spraying and printing ink in the ink storage tank on the outer surface of the printing roller through an atomizing nozzle, wherein the ink is in a liquid state, and the ink attached to the printing roller is converged into drops and flows down in a strand; however, the above scheme does not provide a corresponding recovery system for recovering the ink collected into drops and flowing in a stream, which results in waste of the ink and economic loss.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a digital printing ink supply system has the effect of carrying out recycle to printing ink.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a digital printing ink supply system comprises a printing box and a printing device arranged in the printing box, the printing device comprises a compression roller seat, a compression roller arranged on the compression roller seat and a printing roller which is erected in the printing box and is positioned below the compression roller, the compression roller and the printing roller are arranged in parallel up and down, an ink supply device is arranged in the printing box below the printing roller, the ink supply device comprises an ink box which is arranged in an open way and the open direction of the ink box faces the printing roller, an ink collecting box which is arranged below the ink box, a connecting pipe which is communicated with the ink box and the ink collecting box, and a pneumatic diaphragm pump which is arranged in the printing box, the ink box is close to the printing roller, the input port of the pneumatic diaphragm pump is communicated with one end face of the ink collecting box through a pipeline, the output port of the pneumatic diaphragm pump is communicated with the ink box through a pipeline, and a straight ball valve used for controlling the opening and closing of the connecting pipe is arranged on the connecting pipe.

By adopting the technical scheme, the ink box is close to the printing roller, and the ink in the ink box is attached to the printing roller, so that the printing roller prints the paper box passing between the press roller and the printing roller; after printing is finished, ink attached to the printing roller is converged into drops, flows downwards in a strand flow to the ink box, the straight-through ball valve is opened to enable the ink of the ink box to flow into the ink collecting box through the connecting pipe, and the ink in the collecting box can be pumped into the ink box for recycling by means of the pneumatic diaphragm pump in the process of reusing; the whole process effectively recycles the printing ink, and the waste of the printing ink is reduced.

The present invention may be further configured in a preferred embodiment as: the printing ink collecting box is internally provided with a filtering component for preventing impurities from entering the pneumatic diaphragm pump, the filtering component comprises an installing plate inserted on the inner wall of the printing ink collecting box, a filter inserted in the installing plate and a fixing component arranged on a drawing part of the filter and used for fixing the filter in the installing plate, the installing plate is positioned between the end face of the pneumatic diaphragm pump communicated with the connecting pipe and the printing ink collecting box, the drawing part of the installing plate is provided with an installing groove, the filter is inserted in the installing groove, the filter is provided with a plurality of filtering holes along the thickness direction of the filter, and the opposite side faces of the installing plate are provided with openings communicated with the filtering holes.

By adopting the technical scheme, the arrangement of the filtering component prevents impurities in the printing ink from entering the pneumatic diaphragm pump to cause damage of the pneumatic diaphragm pump; the filter plate is detachably mounted and fixed in the mounting plate by the fixing assembly.

The present invention may be further configured in a preferred embodiment as: the pneumatic diaphragm pump is characterized in that an inclined block is arranged in the ink collecting box, one surface, opposite to the end surface communicated with the pneumatic diaphragm pump, in the ink collecting box is a first end surface, and the inclined block is arranged downwards along the first end surface towards the mounting plate in an inclined mode.

Through adopting above-mentioned technical scheme, the setting of sloping block helps the printing ink in the printing ink collecting box to lead to the position at pneumatic diaphragm pump place to pneumatic diaphragm pump is to the extraction of printing ink.

The present invention may be further configured in a preferred embodiment as: fixed subassembly includes fixed block, bipartition and sets up respectively in the spring of the relative both sides of fixed block and set up in the L type piece that fixed block one end was kept away from to the spring, L type piece include first connecting block and set up in the bottom of first connecting block and with first connecting block vertical fixation's second connecting block, the second connecting block orientation is kept away from one side setting of fixed block, be provided with on the inside wall of mounting groove with second connecting block joint complex draw-in groove.

Through adopting above-mentioned technical scheme, L type piece is fixed in the draw-in groove to fix the filter in the mounting panel, also be convenient for the filter to dismantle from the mounting panel.

The present invention may be further configured in a preferred embodiment as: the filter is provided with the guide way of the one side of fixed block phase adaptation with the second connecting block, the second connecting block slides with the guide way and is connected.

Through adopting above-mentioned technical scheme, the setting up of guide way plays the effect spacing and direction to the second connecting block for the more accurate card slot that inserts of second connecting block in.

The present invention may be further configured in a preferred embodiment as: the both ends that the mounting panel is relative are provided with the dovetail block, all set up the dovetail with dovetail block looks adaptation on the interior roof of ink collecting box and the interior diapire, the dovetail block slides with the dovetail and is connected.

By adopting the technical scheme, the dovetail block and the dovetail groove are arranged to fix the mounting plate in the ink collecting box, and the mounting plate is convenient to detach from the ink collecting box.

The present invention may be further configured in a preferred embodiment as: the outer terminal surface of printing box is gone up horizontal installation and is had driving motor, printing device still includes the pivot, driving motor's output shaft passes the outer terminal surface of printing box and the tip fixed connection of pivot, driving motor's one end is kept away from in the pivot extends to another inner end wall of printing box, and rotates with the printing box and be connected, the first opening with pivot looks adaptation is seted up at the relative both ends of ink horn.

Through adopting above-mentioned technical scheme, the setting of first open-ended makes the printing roller can be more deep set up in the printing ink box, helps the adhesion of printing ink.

The present invention may be further configured in a preferred embodiment as: the two opposite ends of the compression roller seat are provided with sliding blocks, the two opposite inner end walls of the printing box are provided with sliding grooves matched with the sliding blocks, and the sliding grooves are vertically arranged.

Through adopting above-mentioned technical scheme, the setting up of slider and spout plays the effect of erectting the compression roller seat on the one hand, and on the other hand makes things convenient for the compression roller seat to dismantle from the printing box in.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the printing ink in the ink box is attached to the printing roller, so that the printing roller prints the paper box; after printing is finished, ink attached to the printing roller is converged into drops, flows downwards in a strand flow to the ink box, the straight-through ball valve is opened to enable the ink in the ink box to flow to the ink collecting box, and the ink in the collecting box can be pumped into the ink box for recycling by means of the pneumatic diaphragm pump in the process of reusing;

2. the arrangement of the first opening enables the printing roller to be arranged in the ink box more deeply, and ink adhesion is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model.

Fig. 2 is a schematic sectional structure view of fig. 1.

Fig. 3 is a schematic structural diagram of the ink supply device of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic sectional structure view of fig. 3.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

In the figure, 1, a printing box; 11. a feed inlet; 12. a discharge port; 13. a box cover; 131. a locking opening; 14. a fastening assembly; 141. a screw; 142. a butterfly nut; 15. a chute; 16. a drive motor; 2. a printing device; 21. a compression roller; 22. a press roller seat; 221. a slider; 23. a rotating shaft; 24. a printing roller; 3. an ink supply device; 31. a pneumatic diaphragm pump; 32. an ink cartridge; 321. a first opening; 33. an ink collection box; 331. a box body; 332. a cover plate; 333. a sloping block; 334. a locking member; 34. a connecting pipe; 341. a straight-through ball valve; 4. a filter assembly; 41. mounting a plate; 411. a dovetail block; 412. a dovetail groove; 413. mounting grooves; 414. a port; 42. a filter plate; 421. a filtration pore; 5. a fixing assembly; 51. a fixed block; 52. a spring; 53. an L-shaped block; 531. a first connection block; 532. a second connecting block; 54. a guide groove; 55. a clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the utility model discloses a digital printing ink supply system, including printing box 1 and printing device 2 and ink supply device 3 that set up in printing box 1, printing device 2 is located the top of ink supply device 3.

As shown in fig. 1 and 2, the printing box 1 is shaped like a rectangular parallelepiped with an upper opening, opposite sides of the printing box 1 are respectively provided with a feed inlet 11 and a discharge outlet 12 along a paper feeding direction, and a box cover 13 for covering the upper opening of the printing box 1 is hinged to the top end of the printing box 1. The box cover 13 is fixedly connected with the top end of the printing box 1 through a fastening component 14; one side of the box cover 13 is hinged with one side of the printing box 1 provided with the discharge hole 12, and the opposite two ends of one side of the box cover 13 away from the hinged part are provided with locking openings 131 for buckling the fastening components 14; the fastening assembly 14 comprises a screw 141 and a wing nut 142, wherein one end of the screw 141 is hinged with the top end of the printing box 1, and the other end of the screw is in threaded connection with the wing nut 142. Thus, the cover 13 is closed, the screw 141 is fastened into the locking opening 131, and the wing nut 142 is screwed to bring the wing nut 142 into contact with the top surface of the cover 13, whereby the cover 13 can be fixed to cover the upper opening of the printing box 1.

As shown in fig. 1 and 2, the printing device 2 includes a press roller 21, a press roller seat 22, a rotating shaft 23 erected in the printing box 1, and a printing roller 24 sleeved on the rotating shaft 23, opposite ends of the press roller 21 are rotatably connected with the press roller seat 22, a vertically arranged slide block 221 is protruded out of one side of the press roller seat 22 away from the end of the press roller 21, a slide groove 15 matched with the slide block 221 is formed in an opposite inner end wall of the printing box 1, and the slide block 221 is connected with the slide groove 15 in a sliding manner. A driving motor 16 is horizontally installed on the outer end face of the printing box 1, an output shaft of the driving motor 16 penetrates through the outer end face of the printing box 1 to be fixedly connected with the end part of a rotating shaft 23, and one end, far away from the driving motor 16, of the rotating shaft 23 is rotatably connected with the other inner end wall of the printing box 1. The press roller 21 and the printing roller 24 are arranged in parallel up and down. Thus, when the platen roller 21 needs to be cleaned, the cover 13 is opened by loosening the fastening member 14, and the platen roller holder 22 mounted on the inner end wall of the printing box 1 is taken out from the slide groove 15, thereby completing the removal of the platen roller holder 22.

As shown in fig. 1 and 2, the ink supply device 3 includes a pneumatic diaphragm pump 31 disposed in the printing box 1, an ink tank 32 disposed below the printing roller 24, an ink collection box 33 disposed below the ink tank 32, and a connection pipe 34 having two ends respectively communicated with the bottom middle portion of the ink tank 32 and the top middle portion of the ink collection box 33. A through ball valve 341 with a handle is provided on the connection pipe 34 for controlling the opening and closing of the connection pipe 34. The upper part of the ink box 32 is open and the open direction faces the printing roller 24, and the two opposite ends of the ink box 32 are provided with first openings 321 through which the rotating shaft 23 can pass; the rotating shaft 23 passes through the first opening 321, so that the printing roller 24 is located in the open upper opening of the ink box 32, and thus, the driving motor 16 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the printing roller 24 to rotate in the ink box 32, thereby ensuring that the surface of the printing roller 24 can be uniformly adhered with ink, reducing the occurrence of ink splashing outside the ink box 32, and reducing the waste of ink.

As shown in fig. 1 and 3, the pneumatic diaphragm pump 31 is located at one end of the ink collection box 33 away from the driving motor 16, an input port of the pneumatic diaphragm pump 31 is communicated with an end face of the ink collection box 33 away from the driving motor 16 through a pipeline, and an output port of the pneumatic diaphragm pump 31 is communicated with an end face of the ink cartridge 32 away from the driving motor 16 through a pipeline. Therefore, the pneumatic diaphragm pump 31 is started to pump the ink collected or stored in the ink collecting tank 33 into the ink box 32 so as to compensate the loss of the ink in the ink box 32; at the same time, the through ball valve 341 of the connection tube 34 is opened, and the ink can be recovered from the ink cartridge 32 to the ink collection tank 33.

As shown in fig. 3 and 4, the ink collecting box 33 includes a box 331 having an opening on one side and a cover plate 332 for covering the opening of the box 331; the opening of the box body 331 faces the side of the printing box 1 provided with the feed inlet 11, the cover plate 332 is fixedly covered on the opening of the box body 331 through a locking piece 334, and a sealing rubber ring is arranged on the cover plate 332 and used for sealing the box body 331 when the cover plate 332 is closed. The ink collection tank 33 is provided with an inclined block 333 therein, a first end surface is provided on a surface of the ink collection tank 33 opposite to the end surface communicated with the pneumatic diaphragm pump 31, and the inclined block 333 is provided obliquely downward along the first end surface toward the end surface of the ink collection tank 33 communicated with the pneumatic diaphragm pump 31.

As shown in fig. 3 and 4, in order to prevent the foreign matter from being drawn into the intake air moving the diaphragm pump 31, the filter assembly 4 is provided in the ink collection tank 33. The filter assembly 4 comprises a mounting plate 41, a filter plate 42 arranged in the mounting plate 41 and a fixing assembly 5 arranged at the top end of the filter plate 42; the mounting plate 41 is in a cuboid shape, dovetail blocks 411 extending along the length direction of the mounting plate 41 are respectively arranged on the top surface and the bottom surface of the mounting plate 41, dovetail grooves 412 matched with the dovetail blocks 411 are formed in the inner top wall and the inner bottom wall of the box body 331, and the dovetail blocks 411 are connected with the dovetail grooves 412 in a sliding mode; mounting plate 41 slides into housing 331 under the mating action of dovetail block 411 and dovetail slot 412. The mounting panel 41 is close to the terminal surface of apron 332 and has seted up the mounting groove 413 that extends along mounting panel 41 length direction, and the opening 414 has all been seted up to the relative both sides of mounting panel 41, and opening 414 is linked together with the inside wall of mounting groove 413. The filter plate 42 is provided with a plurality of filter holes 421, which are uniformly arranged, and the filter holes 421 penetrate through the filter plate 42 along the thickness direction of the filter plate 42. The filter plate 42 is inserted into the mounting groove 413, and the filter hole 421 communicates with the through hole 414.

As shown in fig. 5 and 6, the fixing assembly 5 includes a fixing block 51 fixed to the middle of the end surface of the filter plate 42 near the cover plate 332, two springs 52 disposed on opposite sides of the fixing block 51, and an L-shaped block 53 disposed on an end of the spring 52 far from the fixing block 51; the L-shaped block 53 comprises a first connecting block 531 and a second connecting block 532, a guide groove 54 is formed in one surface, provided with the fixed block 51, of the filter plate 42 along the telescopic direction of the spring 52, and the second connecting block 532 is connected with the guide groove 54 in a sliding manner; a clamping groove 55 is formed in the side wall of the mounting groove 413 communicated with the through hole 414, and one end, far away from the fixing block 51, of the second connecting block 532 is in clamping fit with the clamping groove 55. One end of the second connecting block 532 far from the clamping groove 55 is vertically fixed with one end of the first connecting block 531 near the filter plate 42, and one side of the first connecting block 531 far from the second connecting block 532 is fixedly connected with one end of the spring 52 far from the fixing block 51. Therefore, the worker can remove the filter plate 42 from the mounting plate 41 by pinching the first connecting block 531 with the hand and pressing the first connecting block 531 along the direction in which the spring 52 contracts, so that the second connecting block 532 is separated from the clamping groove 55 and lifting the filter plate 42 upward.

The implementation principle of the embodiment is as follows: starting the driving motor 16 to rotate the printing roller 24, printing the paper boxes passing between the press roller 21 and the printing roller 24, and then conveying the printed paper boxes out of the discharge port 12; the ink in the ink box 32 is attached to the outer surface of the rotating printing roller 24, the ink which is gathered into drops and flows in a strand is collected in the ink box 32, the through ball valve 341 on the connecting pipe 34 is opened to collect the ink in the ink collecting box 33, the ink positioned in the ink collecting box 33 passes through the filter plate 42 under the guiding action of the inclined block 333 to filter impurities in the ink; when the ink in the ink box 32 needs to be replenished, the through ball valve 341 on the connecting pipe 34 is closed, and the pneumatic diaphragm pump 31 is started to pump the ink in the ink collecting tank 33 into the ink box 32 for replenishing.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a digital printing ink supply system, includes printing box (1) and sets up printing device (2) in printing box (1), printing device (2) including compression roller (21) seat, set up compression roller (21) on compression roller (21) seat and erect in printing box (1) and be located printing roller (24) of compression roller (21) below, compression roller (21) and printing roller (24) set up its characterized in that from top to bottom side by side: the printing device is characterized in that an ink supply device (3) is arranged below the printing roller (24) in the printing box (1), the ink supply device (3) comprises an ink box (32) which is arranged in an open mode and faces the printing roller (24) in the open direction, an ink collecting box (33) arranged below the ink box (32), a connecting pipe (34) for communicating the ink box (32) with the ink collecting box (33), and a pneumatic diaphragm pump (31) arranged in the printing box (1), wherein the ink box (32) is close to the printing roller (24), an input port of the pneumatic diaphragm pump (31) is communicated with one end face of the ink collecting box (33) through a pipeline, an output port of the pneumatic diaphragm pump (31) is communicated with the ink box (32) through a pipeline, and a through ball valve (341) used for controlling the connecting pipe (34) to be opened and closed is arranged on the connecting pipe (34).

2. A digital printing inking system according to claim 1, wherein: a filtering component (4) for preventing impurities from entering the pneumatic diaphragm pump (31) is arranged in the ink collecting box (33), the filter assembly (4) comprises a mounting plate (41) inserted on the inner wall of the ink collecting box (33), a filter plate (42) inserted in the mounting plate (41) and a fixing assembly (5) arranged on a drawing part of the filter plate (42) and used for fixing the filter plate (42) in the mounting plate (41), the mounting plate (41) is positioned between the end surfaces of the connecting pipe (34) and the ink collecting box (33) which are communicated with the pneumatic diaphragm pump (31), the drawing part of the mounting plate (41) is provided with a mounting groove (413), the filter plate (42) is inserted in the mounting groove (413), the filter plate (42) is provided with a plurality of filter holes (421) along the thickness direction, and through holes (414) communicated with the filtering holes (421) are formed in the two opposite side surfaces of the mounting plate (41).

3. A digital printing inking system according to claim 2, wherein: the pneumatic diaphragm pump is characterized in that an inclined block (333) is arranged in the ink collecting box (33), one surface, opposite to the end surface communicated with the pneumatic diaphragm pump (31), in the ink collecting box (33) is a first end surface, and the inclined block (333) is obliquely and downwards arranged towards the mounting plate (41) along the first end surface.

4. A digital printing inking system according to claim 2, wherein: fixed subassembly (5) including fixed block (51), bipartition set up respectively in spring (52) of the relative both sides of fixed block (51) and set up in L type piece (53) of keeping away from fixed block (51) one end in spring (52), L type piece (53) include first connecting block (531) and set up in the bottom of first connecting block (531) and with first connecting block (531) vertical fixation's second connecting block (532), one side setting of fixed block (51) is kept away from towards second connecting block (532), be provided with on the inside wall of mounting groove (413) with second connecting block (532) joint complex draw-in groove (55).

5. A digital printing inking system according to claim 4, wherein: the filter plate (42) is provided with guide way (54) of fixed block (51) one side seted up with second connecting block (532) looks adaptation, second connecting block (532) and guide way (54) are connected that slides.

6. A digital printing inking system according to claim 2, wherein: the both ends that mounting panel (41) is relative are provided with dovetail block (411), all set up dovetail (412) with dovetail block (411) looks adaptation on the interior roof of ink collecting box (33) and the interior diapire, dovetail block (411) and dovetail (412) are slided and are connected.

7. A digital printing inking system according to claim 1, wherein: horizontal installation has driving motor (16) on the outer terminal surface of printing box (1), printing device (2) still include pivot (23), the outer terminal surface that driving motor (16)'s output shaft passed printing box (1) and the tip fixed connection of pivot (23), the one end that driving motor (16) were kept away from in pivot (23) extends to another interior end wall of printing box (1), and rotates with printing box (1) and be connected, first opening (321) with pivot (23) looks adaptation are seted up to the relative both ends of oil ink horn (32).

8. A digital printing inking system according to claim 1, wherein: both ends that compression roller (21) seat is relative all are provided with slider (221), all be provided with spout (15) with slider (221) looks adaptation on the two relative inner end walls of printing box (1), spout (15) vertical setting.