CN117162642A

CN117162642A - Gravure press

Info

Publication number: CN117162642A
Application number: CN202311330228.2A
Authority: CN
Inventors: 杨红明; 潘垚鑫
Original assignee: Hangzhou Xijing Printing Co ltd
Current assignee: Hangzhou Xijing Printing Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2023-12-05

Abstract

The invention discloses an intaglio printing machine, which relates to the field of printing equipment and comprises a printing machine body, wherein a printing cylinder is rotationally connected inside the printing machine body, an inking cylinder is rotationally connected inside the printing machine body and below the printing cylinder, and an ink box is placed at the bottom of the inner wall of the printing machine body. The invention has the beneficial effects that: through the cooperation of stirring auger and second ball nut, can make a round trip to turn the printing ink of deposit bottom in the ink tank, the layering phenomenon about reducing printing ink in the ink tank appears for it is more abundant that upper and lower floor's printing ink mixes, and servo motor's output shaft drives first reciprocal lead screw pivoted and can drive first ball nut and reciprocate, and then can realize the reciprocal swing of swinging plate, and through the cooperation use with the stirring auger, can carry out intensive mixing to upper and lower floor's printing ink in the ink tank, the velocity of flow of upper and lower floor's printing ink, further improved the whole printing effect of printing ink.

Description

Gravure press

Technical Field

The invention relates to the field of printing equipment, in particular to a gravure printing machine.

Background

Printing is a technique of transferring ink onto surfaces of materials such as paper, textile, plastic, leather, etc. by performing plate making, inking, pressurizing, etc. on original documents such as letters, pictures, photographs, anti-counterfeiting, etc., and copying the original document contents in batches. Intaglio printing presses are machines that use intaglio printing. When the gravure printing machine prints, the printing ink in the blank part is scraped with a doctor blade to leave the ink in the image-text part, the paper is passed through, the impression cylinder presses the back of the paper to transfer the ink in the concave part to the paper surface directly, and finally the printed matter is piled or rewound through the paper collecting part.

By way of retrieval, chinese patent discloses a gravure printing machine (grant publication number CN 109572155B) comprising a casing, a power unit mounted on the rear side of the casing for operation of the printing machine and a controller for controlling operation of the printing machine, and further comprising a feed cylinder, a discharge cylinder, a guide roller set, an ink tank, an ink cylinder, a plate cylinder and an impression cylinder rotatably provided on the casing, and an ink scraping mechanism provided on the casing; the printing stock sequentially bypasses the feeding roller, the guide roller group, the impression roller and the discharging roller; through the cooperation between multiunit screw rod, no. two servo motor and the U type splint, this patent technology can realize changing the doctor blade under the state of not shutting down for the printing machine can long-time high-efficient work, and the printing machine also can not appear the broken circumstances of fracture at the doctor blade after long-time work.

However, in the actual use process of the existing intaglio printing press, the ink cylinder is immersed in the ink box and is transferred to the printing cylinder for printing, and the printing press is not used for a long time, the internal ink of the intaglio printing press can be precipitated, so that the ink contacted with the air on the surface and the ink precipitated below can be layered differently, and therefore, obvious printing coloring force can appear when the paper is printed, uneven inking is caused, the printing quality of the paper in the same batch is uneven, and the actual application and popularization are not facilitated.

Disclosure of Invention

The invention aims at: in order to solve the problem that printing quality is affected due to ink precipitation in the background technology, the invention provides a gravure printing machine.

The invention adopts the following technical scheme for realizing the purposes:

the utility model provides an intaglio printing press, includes the printing press body, the inside rotation of printing press body is connected with the printing cylinder, the inside of printing press body just is located the below rotation of printing cylinder and is connected with inking cylinder, the ink tank has been placed to the bottom of printing press body inner wall, the inside of ink tank is provided with even inking mechanism, the inside of printing press body is provided with printing unit, the outside of printing press body is provided with the subassembly that opens the door.

Through above-mentioned technical scheme, through the setting of even inking mechanism, can strike off the unnecessary printing ink outside the rugged printing cylinder, can carry out the intensive mixing to the printing ink of upper and lower floor simultaneously to through the setting of printing unit, can play important guide effect to the paper that needs to print, with the even inking mechanism of cooperation carries out even printing operation to it.

Further, even inking mechanism is including rotating the stirring auger of connection inside the ink box, the one end of stirring auger runs through ink box and fixedly connected with subsidiary gear, the inside of ink box just is located the below rotation of stirring auger and is connected with first reciprocal lead screw, the outside slip cap of first reciprocal lead screw is equipped with the second ball nut, the equal fixedly connected with cleaning plate in both sides of second ball nut, the cleaning plate all with the inner wall sliding connection of ink box, the one end of first reciprocal lead screw runs through ink box and fixedly connected with linkage gear, linkage gear is connected with subsidiary gear meshing, the top of ink box is provided with swing subassembly, the inside rotation of printing machine body is connected with the bull stick, the one end and the first reciprocal lead screw fixed connection of bull stick, the other end of bull stick is provided with drive assembly, the inside of printing machine body just is located one side of printing cylinder and is provided with scrapes ink subassembly.

Through above-mentioned technical scheme, through stirring auger's rotation, can make a round trip to turn the printing ink that deposits at the ink incasement bottom for the circulation speed of printing ink, the upper and lower layer printing ink appears layering's condition about avoiding in the ink incasement, and then can improve the printing effect to the paper to through the cooperation use of linkage gear and subsidiary gear, can improve stirring auger's rotation speed, make printing ink by the more even of stirring in the ink case.

Further, scrape the black subassembly including fixed connection at the inside fixed strip of printing machine body, the top fixedly connected with rack of fixed strip, the inside rotation of printing machine body is connected with the reciprocal lead screw of second, the outside slip cap of the reciprocal lead screw of second is equipped with first ball nut, first ball nut and the inner wall sliding connection of printing machine body, the outside rotation of first ball nut is connected with the rotary drum, the outside fixedly connected with drive gear of rotary drum, drive gear and rack meshing are connected, one side that first ball nut was kept away from to the rotary drum is provided with the brush, the brush all contacts with the outside of printing cylinder.

Through above-mentioned technical scheme, through the removal of first ball nut, can drive the rotary drum and remove rather than the transmission gear in outside to through the cooperation between transmission gear and the rack use, realize the even ink scraping operation to the printing cylinder.

Further, the swing assembly comprises a swing rod which is rotationally connected inside the ink box, a swing plate is fixedly connected to the outer side of the swing rod, a telescopic sleeve is rotationally connected to the bottom of the first ball nut, a telescopic rod is slidably connected to the inner side of the telescopic sleeve, and one end, away from the telescopic sleeve, of the swing rod is fixedly connected with the telescopic rod.

Through above-mentioned technical scheme, when doing the swing through telescopic tube, can drive the telescopic link and reciprocate the swing, and then can drive the swinging plate and do reciprocating motion to can accelerate the circulation speed between bottom and the high-rise printing ink, further improve the mixed degree of both.

Further, the drive assembly includes worm wheel fixed connection and extends to the one end in the printing machine body outside at the second reciprocating screw, the outside fixedly connected with backup pad of printing machine body, the inside of backup pad rotates and is connected with the worm, the worm is connected with the worm wheel meshing, the outside fixedly connected with stabilizer blade of printing machine body, the inside rotation of stabilizer blade is connected with the pivot, the one end fixedly connected with second bevel gear of pivot, the bottom one end of worm runs through backup pad and fixedly connected with first bevel gear, first bevel gear is connected with the second bevel gear meshing.

Through above-mentioned technical scheme, through the rotation of second bevel gear, can drive the rotation of first bevel gear, can drive the rotation of worm simultaneously to can drive the rotation of worm wheel, thereby can realize even scraping ink operation.

Further, the drive assembly still includes second belt pulley fixed connection in the one end that the second bevel gear was kept away from in the pivot, the one end of bull stick extends to the outside of printing machine body and fixedly connected with first belt pulley, first belt pulley passes through the drive belt transmission with the second belt pulley and is connected, the outside fixed mounting of printing machine body has servo motor, the outside fixedly connected with driving gear of servo motor's output shaft, the outside fixedly connected with driven gear of bull stick, driving gear and driven gear meshing are connected.

Through above-mentioned technical scheme, through servo motor's output shaft's rotation, drive the rotation of driving gear, and then can drive driven gear's rotation to can realize the transmission of power.

Further, the printing assembly comprises a pressing roller which is rotationally connected inside the printing machine body, a material penetrating opening is formed in two sides inside the printing machine body, two discharging rollers are rotationally connected between the inner walls of the printing machine body, and guiding rollers are rotationally connected inside the printing machine body and below the discharging rollers.

Through above-mentioned technical scheme, through the setting of guiding roller, can guide the paper of printing for the paper is more convenient in the printing process, through the setting of discharging roller, can make the paper be in the state of tightening, reduces the crooked degree when the paper is printed.

Further, the door opening assembly comprises a rotary door which is rotatably connected to the outer side of the printer body, a handle is fixedly arranged on the outer side of the rotary door, and supporting feet are fixedly connected to four corners of the bottom of the printer body.

Through above-mentioned technical scheme, through the setting of revolving door to the workman can pour the printing ink into the ink box in, can make the preparation work before the paper printing simultaneously.

In summary, the present invention includes at least one of the following advantages;

1. the invention can drive the first reciprocating screw rod to rotate through the rotation of the output shaft of the servo motor, further can drive the second ball nut to reciprocate, can drive the cleaning plates at two sides of the second ball nut to move, further can scrape off the ink attached to the inner wall of the ink box, can drive the stirring auger to rotate through the cooperation of the linkage gear and the subsidiary gear, quickens the flowing speed of the ink in the ink box, reduces the long-term attachment of the ink to influence the integral printing quality of the ink, further can improve the printing effect on paper, can flip the ink deposited at the bottom layer in the ink box back and forth through the cooperation of the stirring auger and the second ball nut, reduces the phenomenon of upper and lower layering of the ink in the ink box, ensures that the upper and lower layers of ink are mixed more fully, the printing effect on paper can be improved, the second reciprocating screw rod is driven to rotate through the rotation of the output shaft of the servo motor, the first ball nut and the rotary drum are driven to reciprocate, the uneven printing grooves on the printing cylinder can be scraped through the brush outside the rotary drum, compared with the traditional scraping knife, the mode can scrape redundant ink in the uneven printing grooves in the printing cylinder, meanwhile, the situation that the redundant ink is attached below the scraping knife can be avoided, the printing cylinder can be uniformly inked, the printing effect of the paper is reduced due to more ink, the first ball nut can be driven to move forwards and backwards when the output shaft of the servo motor drives the first reciprocating screw rod to rotate, the reciprocating swing of the swing plate can be realized, and the mode is matched with the stirring screw for use, the upper layer ink and the lower layer ink in the ink box can be fully mixed, so that the flowing speed of the upper layer ink and the lower layer ink is accelerated, and the overall printing effect of the ink is further improved.

2. According to the invention, the servo motor is started to drive the driving gear to rotate, the driven gear can be driven to rotate, the rotating rod can be driven to rotate, the first reciprocating screw rod can be driven to rotate, so that the printing ink can be uniformly inked, the first belt pulley is driven to rotate through the rotation of the rotating rod, the second belt pulley can be driven to rotate through the action of the transmission belt, the rotating shaft can be driven to rotate, the second bevel gear can be driven to rotate, the worm can be further rotated through the meshed connection of the first bevel gear and the second bevel gear, the worm is meshed with the worm wheel, the second reciprocating screw rod can be driven to rotate, the printing roller can be uniformly scraped, and the ink scraping assembly and the uniform inking mechanism can simultaneously work through the arrangement of the driving assembly without adding the second motor.

3. According to the invention, the first ball nut can be driven to slide on the inner wall of the printer body through the rotation of the second reciprocating screw rod, and then the rotary drum can be driven to move back and forth, so that the transmission gear outside the rotary drum can roll on the rack, the rotary drum can be driven to rotate in the moving process, and further the uneven printing grooves on the printing drum can be scraped through the rotating hairbrush, and the uniform scraping operation on the printing drum is further improved.

Drawings

FIG. 1 is a perspective view of a device body of the present invention;

FIG. 2 is a front cross-sectional view of the device body of the present invention;

FIG. 3 is a top cross-sectional view of the wiping assembly of the present invention;

FIG. 4 is a schematic view of a second ball nut and cleaning plate according to the present invention;

fig. 5 is an enlarged schematic view of fig. 2 at a in accordance with the present invention.

Reference numerals illustrate:

1. a printer body; 2. a discharge roller; 3. a material passing opening; 4. a guide roller; 5. a pressing roller; 6. a printing cylinder; 7. an inking roller; 8. an ink tank; 9. a first reciprocating screw rod; 10. a first ball nut; 11. a second reciprocating screw rod; 12. a transmission gear; 13. a fixing strip; 14. a rack; 15. a driven gear; 16. a first pulley; 17. a drive belt; 18. a drive gear; 19. a servo motor; 20. a rotating drum; 21. a worm wheel; 22. a worm; 23. a support plate; 24. a cleaning plate; 25. stirring the auger; 26. a gear is attached; 27. a linkage gear; 28. a second pulley; 29. a telescoping sleeve; 30. a first bevel gear; 31. a second bevel gear; 32. a stabilizing plate; 33. a rotating shaft; 34. a rotating rod; 35. a second ball nut; 36. a swinging rod; 37. a swinging plate; 38. a telescopic rod.

Detailed Description

The invention is described in further detail below with reference to fig. 1-5.

The embodiment of the invention discloses a gravure printing machine.

Referring to fig. 1-2, an intaglio printing press, including printing press body 1, printing press body 1's inside rotates to be connected with printing cylinder 6, printing press body 1's inside just is located printing cylinder 6's below and rotates to be connected with inking cylinder 7, printing ink case 8 has been placed to printing press body 1's inner wall's bottom, printing press body 1's inside is provided with the printing module, printing module is including rotating the pressing cylinder 5 of connecting inside printing press body 1, material through-hole 3 has all been seted up to printing press body 1's inside both sides, all rotate between printing press body 1's the inner wall and be connected with two discharging rollers 2, printing press body 1's inside just is located discharging roller 2's below and all rotates to be connected with guide roller 4, printing press body 1's outside is provided with the subassembly that opens the door.

Wherein, the subassembly that opens the door is including rotating the revolving door of connecting in the printing machine body 1 outside, and the outside fixed mounting of revolving door has the handle, and the equal fixedly connected with supporting legs in four corners of printing machine body 1 bottom.

When needs carry out printing operation to the paper, can open the revolving door, pour the printing ink into ink box 8 in to twine the outside of discharging roller 2, guide roll 4 and pressing cylinder 5 in proper order with the paper that needs the printing, and stimulate the paper through external wind-up roll and print, close the revolving door afterwards, and set up through guide roll 4, can guide the paper of printing, make the paper more convenient in the printing process, through the setting of discharging roller 2, can make the paper be in the state of tightening, the crooked degree when reducing the paper printing.

As shown in fig. 2, fig. 4 and fig. 5, the uniform inking mechanism comprises a stirring auger 25 rotatably connected inside an ink tank 8, one end of the stirring auger 25 penetrates through the ink tank 8 and is fixedly connected with an attached gear 26, a first reciprocating screw rod 9 is rotatably connected inside the ink tank 8 and below the stirring auger 25, a second ball nut 35 is sleeved on the outer side of the first reciprocating screw rod 9 in a sliding manner, cleaning plates 24 are fixedly connected to two sides of the second ball nut 35, the cleaning plates 24 are slidably connected with the inner wall of the ink tank 8, one end of the first reciprocating screw rod 9 penetrates through the ink tank 8 and is fixedly connected with a linkage gear 27, the linkage gear 27 is meshed with the attached gear 26, and a swinging assembly is arranged at the top of the ink tank 8.

Wherein, swing subassembly is including rotating the swinging arms 36 of connecting inside ink reservoir 8, swinging arms 36's outside fixedly connected with swinging arms 37, first ball nut 10's bottom is rotated and is connected with telescopic sleeve 29, telescopic sleeve 29's inside sliding connection has telescopic rod 38, swinging arms 36 and telescopic rod 38 keep away from telescopic sleeve 29's one end fixed connection, printer body 1's inside rotation is connected with bull stick 34, bull stick 34's one end and first reciprocating screw 9 fixed connection, bull stick 34's the other end is provided with drive assembly, printer body 1's inside and be located one side of printing cylinder 6 are provided with the scraping ink subassembly.

Through the rotation of bull stick 34, can drive the rotation of first reciprocating screw 9, and then can drive second ball nut 35 and move about, and then can scrape the printing ink of adhering on the ink tank 8 inner wall, avoid the long-term adhesion of printing ink and influence the holistic print quality of printing ink, and then can improve the printing effect to the paper, when first ball nut 10 moves around, can drive telescopic sleeve 29 and make a round trip to swing, and then can drive swinging arms 36 and make a round trip to rotate, can drive swinging plate 37 and make a round trip to can carry out intensive mixing to upper and lower floor's printing ink in the ink tank 8, and then can improve the whole printing effect of printing ink, when bull stick 34 rotates, can drive the rotation of ganggear 27 simultaneously, and then can drive subsidiary gear 26 and rotate, can drive stirring auger 25 and rotate, and then can make a round trip to the printing ink of sedimentation in ink tank 8 inner bottom, the circulation speed of printing ink, the upper and lower floor's printing ink appearance layering condition in the ink tank 8 is avoided, and then can improve the printing effect to the paper.

As shown in fig. 2 and 3, the ink scraping assembly comprises a fixing strip 13 fixedly connected to the inside of the printer body 1, a rack 14 is fixedly connected to the top of the fixing strip 13, a second reciprocating screw 11 is rotatably connected to the inside of the printer body 1, a first ball nut 10 is slidably sleeved on the outer side of the second reciprocating screw 11, the first ball nut 10 is slidably connected to the inner wall of the printer body 1, a rotary drum 20 is rotatably connected to the outer side of the first ball nut 10, a transmission gear 12 is fixedly connected to the outer side of the rotary drum 20, the transmission gear 12 is meshed with the rack 14, a brush is arranged on one side, away from the first ball nut 10, of the rotary drum 20, and the brush is in contact with the outer side of the printing drum 6.

Through the rotation of second reciprocating screw 11, can drive first ball nut 10 and slide on the inner wall of printing machine body 1, and then can drive rotary drum 20 and carry out the back-and-forth movement, thereby can make the transmission gear 12 in the rotary drum 20 outside roll on rack 14, can drive rotary drum 20 and rotate at the in-process that removes, and then can scrape the ink operation to uneven seal groove on the printing cylinder 6 through the pivoted brush, compare with traditional doctor blade, this mode can scrape unnecessary printing ink in the uneven seal groove in the printing cylinder 6, can avoid unnecessary printing ink to adhere to the condition in the doctor blade below simultaneously, and then can carry out even inking to the printing cylinder 6 and handle, avoid influencing the printing effect of paper because of printing ink is more.

As shown in fig. 1 and 2, the driving assembly includes a worm wheel 21 fixedly connected to one end of the second reciprocating screw 11 extending to the outer side of the printer body 1, a supporting plate 23 fixedly connected to the outer side of the printer body 1, a worm 22 rotatably connected to the inner side of the supporting plate 23, the worm 22 engaged with the worm wheel 21, a stabilizing plate 32 fixedly connected to the outer side of the printer body 1, a rotating shaft 33 rotatably connected to the inner side of the stabilizing plate 32, a second bevel gear 31 fixedly connected to one end of the rotating shaft 33, a first bevel gear 30 penetrating the supporting plate 23 and fixedly connected to one end of the bottom of the worm 22, and the first bevel gear 30 engaged with the second bevel gear 31.

The driving assembly further comprises a second belt pulley 28 fixedly connected to one end of the rotating shaft 33 far away from the second bevel gear 31, one end of the rotating rod 34 extends to the outer side of the printer body 1 and is fixedly connected with a first belt pulley 16, the first belt pulley 16 is in transmission connection with the second belt pulley 28 through a transmission belt 17, a servo motor 19 is fixedly mounted on the outer side of the printer body 1, a driving gear 18 is fixedly connected to the outer side of an output shaft of the servo motor 19, a driven gear 15 is fixedly connected to the outer side of the rotating rod 34, and the driving gear 18 is in meshed connection with the driven gear 15.

Through starting servo motor 19, can drive the rotation of driving gear 18, and then can drive the rotation of driven gear 15, can drive the rotation of bull stick 34 simultaneously, thereby can drive the rotation of first reciprocating screw 9, thereby can realize the operation of evenly inking to printing ink, simultaneously, through the rotation of bull stick 34, drive the rotation of first belt pulley 16, and through the effect of driving belt 17, can drive the rotation of second belt pulley 28, and then can drive the rotation of pivot 33, can drive the rotation of second bevel gear 31 simultaneously, be engaged with through first bevel gear 30 and second bevel gear 31 and be connected, and then can realize the rotation of worm 22, because of worm 22 is engaged with worm wheel 21 and is connected, and then can drive the rotation of second reciprocating screw 11, thereby can realize carrying out even scraping ink operation to printing cylinder 6.

Working principle: firstly, the revolving door is opened to pour ink into the ink box 8, paper to be printed is wound on the outer sides of the discharging roller 2, the guide roller 4 and the pressing roller 5 in sequence, the paper is pulled by external power to print, then the revolving door is closed, after the printer stops working, the servo motor 19 can be started to drive the rotation of the driving gear 18, then the rotation of the driven gear 15 can be driven, and simultaneously the rotation of the rotating rod 34 can be driven, so that the rotation of the first reciprocating screw rod 9 can be driven, when the first reciprocating screw rod 9 rotates, the second ball nut 35 can be driven to move left and right, the ink attached on the inner wall of the ink box 8 can be scraped, the whole printing quality of the ink is prevented from being influenced by long-term attachment of the ink, the printing effect on the paper can be improved, when the rotating rod 34 rotates, simultaneously, the linkage gear 27 can be driven to rotate, the subsidiary gear 26 can be driven to rotate, the stirring auger 25 can be driven to rotate, the ink deposited on the bottom layer in the ink box 8 can be further turned back and forth, the circulation speed of the ink is accelerated, the condition that the upper layer ink and the lower layer ink in the ink box 8 are layered up and down is avoided, the printing effect on paper can be improved, simultaneously, the rotation of the first belt pulley 16 is driven through the rotation of the rotating rod 34, the rotation of the second belt pulley 28 can be driven through the action of the transmission belt 17, the rotation of the rotating shaft 33 can be driven, the rotation of the second bevel gear 31 can be driven, the rotation of the worm 22 can be realized through the meshed connection of the first bevel gear 30 and the second bevel gear 31, the rotation of the second reciprocating screw 11 can be driven because the worm 22 is meshed with the worm wheel 21, can drive first ball nut 10 and slide on the inner wall of printing machine body 1, and then can drive rotary drum 20 and carry out the back-and-forth movement, thereby can make the transmission gear 12 in the rotary drum 20 outside roll on rack 14, can drive rotary drum 20 and rotate at the in-process that removes, and then can scrape the ink operation to the uneven seal groove on the printing cylinder 6 through pivoted brush, compare with traditional doctor blade, this mode can scrape unnecessary printing ink in the uneven seal groove in the printing cylinder 6, simultaneously can avoid unnecessary printing ink to adhere to the condition in doctor blade below, and then can carry out even inking processing to printing cylinder 6, avoid influencing the printing effect of paper because of the printing ink is more, when first ball nut 10 carries out the back-and-forth movement, can drive telescopic sleeve 29 and swing, and then can drive swinging rod 36 and make a round trip to rotate, can drive swinging plate 37 and make a round trip to swing with even inking mechanism and use, thereby can carry out abundant mixed condition to the printing ink of upper and lower floor in the printing ink box 8, the upper and lower floor ink flow, can improve the printing ink flow rate of whole and the phenomenon in the ink box 8.

Claims

1. Intaglio printing press comprising a press body (1), characterized in that: the inside rotation of printing machine body (1) is connected with printing cylinder (6), the inside of printing machine body (1) just is located the below rotation of printing cylinder (6) and is connected with inking cylinder (7), ink tank (8) have been placed to the bottom of printing machine body (1) inner wall, the inside of ink tank (8) is provided with even inking mechanism, the inside of printing machine body (1) is provided with printing subassembly, the outside of printing machine body (1) is provided with the subassembly that opens the door.

2. A intaglio printing press according to claim 1, wherein: even inking mechanism is including rotating stirring auger (25) of connection inside ink tank (8), ink tank (8) and fixedly connected with accessory gear (26) are run through to the one end of stirring auger (25), the inside of ink tank (8) and the below that is located stirring auger (25) rotate and are connected with first reciprocal lead screw (9), the outside slip cap of first reciprocal lead screw (9) is equipped with second ball nut (35), the equal fixedly connected with cleaning plate (24) in both sides of second ball nut (35), cleaning plate (24) all with the inner wall sliding connection of ink tank (8), ink tank (8) and fixedly connected with linkage gear (27) are run through to the one end of first reciprocal lead screw (9), linkage gear (27) and accessory gear (26) meshing are connected, the top of ink tank (8) is provided with swing subassembly, the inside rotation of printing machine body (1) is connected with bull stick (34), the one end and first reciprocal lead screw (9) fixedly connected with cleaning plate (24), the one end of bull stick (34) is provided with printing machine body (6) and one side of the inside of scraping ink subassembly (6).

3. A intaglio printing press according to claim 2, wherein: the ink scraping assembly comprises a fixing strip (13) fixedly connected to the inside of a printer body (1), a rack (14) is fixedly connected to the top of the fixing strip (13), a second reciprocating screw rod (11) is rotatably connected to the inside of the printer body (1), a first ball nut (10) is arranged on the outer side sliding sleeve of the second reciprocating screw rod (11), the first ball nut (10) is slidably connected with the inner wall of the printer body (1), a rotary drum (20) is rotatably connected to the outer side of the first ball nut (10), a transmission gear (12) is fixedly connected to the outer side of the rotary drum (20), the transmission gear (12) is connected with the rack (14) in a meshed mode, and a hairbrush is arranged on one side, far from the first ball nut (10), of the rotary drum (20) and is contacted with the outer side of a printing cylinder (6).

4. A intaglio printing press according to claim 3, wherein: the swing assembly comprises a swing rod (36) which is rotationally connected to the inside of the ink box (8), a swing plate (37) is fixedly connected to the outer side of the swing rod (36), a telescopic sleeve (29) is rotationally connected to the bottom of the first ball nut (10), a telescopic rod (38) is slidingly connected to the inside of the telescopic sleeve (29), and one end of the swing rod (36) away from the telescopic sleeve (29) is fixedly connected with the telescopic rod (38).

5. A intaglio printing press according to claim 3, wherein: the driving assembly comprises a worm wheel (21) fixedly connected to one end of the second reciprocating screw rod (11) extending to the outer side of the printing machine body (1), a supporting plate (23) is fixedly connected to the outer side of the printing machine body (1), a worm (22) is connected to the inner side of the supporting plate (23) in a rotating mode, the worm (22) is connected with the worm wheel (21) in a meshed mode, a stabilizing plate (32) is fixedly connected to the outer side of the printing machine body (1), a rotating shaft (33) is connected to the inner side of the stabilizing plate (32) in a rotating mode, a second bevel gear (31) is fixedly connected to one end of the rotating shaft (33), a first bevel gear (30) is connected to the bottom end of the worm (22) in a meshed mode through the supporting plate (23) in a fixed mode, and the first bevel gear (30) is connected to the second bevel gear (31) in a meshed mode.

6. A gravure printing machine according to claim 5, wherein: the driving assembly further comprises a second belt pulley (28) fixedly connected to one end of the rotating shaft (33) far away from the second bevel gear (31), one end of the rotating rod (34) extends to the outer side of the printing machine body (1) and is fixedly connected with the first belt pulley (16), the first belt pulley (16) is in transmission connection with the second belt pulley (28) through a transmission belt (17), a servo motor (19) is fixedly arranged on the outer side of the printing machine body (1), a driving gear (18) is fixedly connected to the outer side of an output shaft of the servo motor (19), a driven gear (15) is fixedly connected to the outer side of the rotating rod (34), and the driving gear (18) is in meshed connection with the driven gear (15).

7. A intaglio printing press according to claim 1, wherein: printing subassembly is including rotating pressing cylinder (5) of connecting inside printing machine body (1), material through hole (3) have all been seted up to the inside both sides of printing machine body (1), all rotate between the inner wall of printing machine body (1) and be connected with two discharging rollers (2), the inside of printing machine body (1) just is located the below of discharging roller (2) and all rotates and be connected with guide roller (4).

8. A intaglio printing press according to claim 1, wherein: the door opening assembly comprises a rotary door which is rotatably connected to the outer side of the printer body (1), a handle is fixedly arranged on the outer side of the rotary door, and supporting feet are fixedly connected to four corners of the bottom of the printer body (1).