CN211808332U - Gravure press that printing quality is high - Google Patents

Abstract

The utility model relates to an intaglio press that printing quality is high, which comprises a frame, the frame is arranged in proper order from top to bottom and is distributed and straighten roller set and printing cylinder, the printing cylinder is connected with one-level driving motor, the roller set of straightening includes a plurality of straightening rollers, the last straightening roller and the printing cylinder surface laminating that are close to the printing cylinder in the roller set of straightening, the printing cylinder below is provided with ink groove, the other china ink device of wiping that is provided with in printing cylinder side, wipe the china ink device including with the printing cylinder surface laminating wipe the china ink board, wipe the axis direction setting of china ink board along the printing cylinder, it is formed with one-level respectively to wipe china ink section and second grade and wipe the china ink section to wipe the border that the china ink section is close to the printing cylinder, the border extension that the one-level was wiped the china. The utility model discloses thereby have the effect that effectively reduces the printing cylinder and go up surplus black and remain and improve the printing quality.

Description

Gravure press that printing quality is high

Technical Field

The utility model belongs to the technical field of intaglio printing and specifically relates to an intaglio printing machine that printing quality is high is related to.

Background

Intaglio printing is a relatively traditional printing technology, and the working process of the intaglio printing is generally to coat the whole surface of a printing plate with ink, form a recessed pattern area on the surface of the printing plate, then use a special ink hanging mechanism to scrape off the residual ink on the surface of the printing plate, leave a part of ink in the pattern area due to the recess of the pattern area, and then transfer the ink to the surface of a printing stock by applying a relatively large pressure, thereby finally obtaining a printed product.

In the prior art, chinese patent publication No. CN104169087B discloses an ink wiping system of an intaglio printing press and an intaglio printing press incorporating the same, the ink wiping system comprising a wiping tank and a rotatable wiping roller assembly supported on and partially located in the wiping tank for wiping excess ink from the surface of a rotatable intaglio printing cylinder of the intaglio printing press. The ink wiping system comprises a wiping roller retraction device forming an integral part of the ink wiping system and adapted to be coupled to the wiping roller assembly to move the wiping roller assembly between a working position in which the wiping roller assembly is supported on and partially located in the wiping tank to cooperate with the intaglio printing cylinder and a rest position in which the wiping roller assembly is retracted out of the wiping tank and away from the intaglio printing cylinder. In the working position of the wiping roller assembly, the wiping roller retraction device is coupled to the wiping roller assembly. The ink wiping system further comprises a storage section at the rest position adapted to receive the wiping roller assembly retracted by the wiping roller retracting device.

The above prior art solutions have the following drawbacks: in the actual use process, the quality of the wiping (or scraping) ink directly affects the quality of the final printed matter, in the existing wiping process, only one time of wiping is generally carried out on the ink on the printing roller, so that residual ink is easy to remain on the printing roller, and the residual ink on the printing roller is easy to cause stains on a printing stock, so that the quality of the final printed matter is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intaglio printing machine that printing quality is high has the remaining advantage of surplus china ink on effectively reducing the printing cylinder.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an intaglio printing press with high printing quality comprises a frame, wherein straightening roller sets and printing cylinders are sequentially distributed on the frame from top to bottom, the printing cylinder is connected with a primary driving motor, the straightening roller group comprises a plurality of straightening rollers, the straightening roller closest to the printing cylinder in the straightening roller group is attached to the surface of the printing cylinder, an ink groove is arranged below the printing roller, the printing roller is partially immersed in ink in the ink groove, an ink wiping device is arranged beside the printing roller and comprises an ink wiping plate attached to the surface of the printing roller, the ink wiping plate is arranged along the axial direction of the printing roller, a first-stage ink wiping section and a second-stage ink wiping section are respectively formed on the edge of the ink wiping plate close to the printing roller, the first-stage ink wiping section is an arc-shaped section, the first-stage ink wiping section is tangent to the surface of the printing roller, and a straight connecting section is formed by extending the edge of the first-stage ink wiping section, which is close to the printing roller. The connecting section is arranged along the tangential direction of the primary ink wiping section, the secondary ink wiping section is connected with the edge of the connecting section far away from the primary ink wiping section, a bend is formed between the secondary ink wiping section and the connecting section, and the edge of the secondary ink wiping section far away from the connecting section is abutted to the surface of the printing roller.

By adopting the technical scheme, the gravure printing machine is generally used for surface printing of strip-shaped printing stocks, and in the embodiment, the printing stocks are generally made of paper, cloth, plastic films or the like. The straightening roller group consisting of the plurality of straightening rollers is used for realizing the transmission and tensioning of the printing stock, so that the surface of the printing stock is more flat under the action of force, and the straightening roller group is more suitable for surface printing of a printing cylinder. In the printing process, the printing roller is driven by the primary driving motor to continuously rotate at high speed in the ink tank, and ink in the ink tank is attached to the surface of the printing roller during rotation. The ink wiping plate is used for wiping off redundant ink attached to the surface of the printing cylinder, the surface of the printing cylinder firstly passes through the primary ink wiping section of the ink wiping plate, and the primary ink wiping section is tangent to the surface of the printing cylinder, so that most of redundant ink on the surface of the printing cylinder can be wiped off. The secondary ink wiping section is used for secondarily wiping off residual ink possibly remaining on the surface of the printing roller, so that the amount of the ink possibly remaining on the surface of the printing roller is further reduced, the surface of a printing stock is not easily polluted by the residual ink on the surface of the printing roller in the subsequent printing process, and the surface smoothness of a final printed matter and the quality of a printing pattern are improved.

The utility model discloses further set up to, the one-level is wiped the black section and is provided with the one-level towards the surface laminating of printing cylinder and wipe black gasket, the second grade is wiped the black section and is provided with the second grade near the border laminating of printing cylinder and wipe black gasket.

By adopting the technical scheme, the arrangement of the first-stage ink wiping gasket and the second-stage ink wiping gasket can improve the close degree of the joint between the printing roller and the first-stage ink wiping section and between the printing roller and the second-stage ink wiping section, thereby further improving the removal degree of the ink wiping plate on the residual ink.

The utility model discloses further set up to, when the second grade wiped the china ink section with printing cylinder surface contact, the linkage segment received printing cylinder's reaction force to the direction rotation of keeping away from printing cylinder, the tie point of china ink section is wiped for linkage segment and one-level to the rotation center of linkage segment.

By adopting the technical scheme, the position of the second-stage ink wiping section is arranged, so that an interaction force is generated between the second-stage ink wiping section and the printing roller, the second-stage ink wiping section is tightly attached to the surface of the printing roller under the action of the elastic force of the connecting section, and the removing capacity of the second-stage ink wiping section on the residual ink on the surface of the printing roller is further improved.

The utility model discloses further set up to, the one end of wiping the china ink board and keeping away from printing cylinder is connected with the wriggling device, the wriggling device include with wiping china ink board fixed connection's connecting block, the below fixedly connected with wriggling pole of connecting block, the one end fixedly connected with crank rocker mechanism of wriggling pole, the cover is equipped with the stop collar on the wriggling pole, stop collar horizontal arrangement is provided with two and fixed connection between stop collar and the frame.

Through adopting above-mentioned technical scheme, in the printing process, can have some impurity to mix in the printing ink of ink tank, impurity is along with the in-process that printing cylinder rotated, probably blocks in first order wiping china ink section department and second grade wiping china ink section department, leads to wiping the incomplete condition of china ink and takes place. Or because the ink wiping plate can form an error in the manufacturing and installing process, or the ink wiping plate can deform in the long-term use process, the ink wiping plate can not be completely attached to the surface of the printing roller in all places easily due to the reasons. The creeping device is arranged, so that the ink wiping plate can creep periodically along the axial direction of the printing roller under the action of the creeping device, and the attaching degree between the ink wiping plate and the surface of the printing roller is effectively improved. The limiting ceramic sleeve is used for limiting the motion track of the creeping rod, so that the creeping rod can creep periodically along the connecting line direction of the two limiting sleeves under the action of the crank rocker mechanism, and the creeping rod drives the connecting block and the ink wiping plate to move together.

The utility model discloses further set up to, crank and rocker mechanism includes the one-level carousel and the second grade connecting rod that the level set up, the second grade driving motor of the vertical setting of central point department fixedly connected with of one-level carousel, the one end of second grade connecting rod is articulated with the surperficial border department of one-level carousel, the other end of second grade connecting rod is articulated with the one end that the peristaltic bar is close to crank and rocker mechanism.

Through adopting above-mentioned technical scheme, second grade driving motor drives the one-level carousel and rotates, because the setting of second grade connecting rod is in the border department of one-level carousel, and the other end of second grade connecting rod is articulated with the peristaltic rod, so when the one-level carousel rotated, periodic linear motion can be made to the one end that second grade connecting rod and peristaltic rod link to each other to the wriggling of peristaltic rod under crank rocker mechanism drives has been realized.

The utility model discloses further set up to, the printing cylinder is including printing section and the pivot section that is located printing section both ends, two be connected with adjust cylinder in the pivot section, adjust cylinder's base setting is in the frame, adjust cylinder's the vertical setting of movable rod and with the pivot section between be connected through the bearing.

Through adopting above-mentioned technical scheme, through setting up adjust cylinder, can adjust the position of printing cylinder in vertical direction. In the gravure printing process, one printing cylinder can only print a single pattern with a single color on a printing stock, and if a plurality of combined patterns with different colors need to be printed on the printing stock at the same time, a plurality of printing machines need to be continuously arranged, and the printing stock is enabled to be printed by the plurality of printing machines in sequence. And through controlling the distance of the printing cylinder in the vertical direction, the laminating state between the printing cylinder and the printing stock can be changed, so that a worker can select a pattern on a specific printing machine to print on the printing stock without changing the assembly relation between the existing printing stock and each printing machine, and the worker can more conveniently finely adjust the shape and the color of the pattern, thereby more conveniently producing multiple printed matters in the same series.

The utility model discloses further set up to, the end of pivot section passes the frame setting, be provided with the waist type hole that supplies the pivot section to pass in the frame, the terminal fixedly connected with one-level belt pulley of pivot section, the terminal fixedly connected with second grade belt pulley of one-level driving motor's output shaft, connect through the belt between one-level belt pulley and the second grade belt pulley.

Through adopting above-mentioned technical scheme, connect through the belt between pivot section and the second grade driving motor, can be so that printing cylinder at the in-process that the position removed, second grade driving motor need not to follow and moves together, and the pivot section is in the motion process of minizone, and the belt can remain the state of tensioning all the time.

The utility model discloses further set up to, the ink groove is connected with printing ink supplementary device, printing ink supplementary device include with the ink groove between through the printing ink measurement container of pipeline intercommunication, the upper end opening setting of printing ink measurement container, the bottom of printing ink measurement container is provided with the gravimetric measuring apparatu, the printing ink measurement container has printing ink to add equipment through the pipe connection, printing ink adds and is connected electrically between equipment and the gravimetric measuring apparatu.

Through adopting above-mentioned technical scheme, communicate between printing ink measurement container and the ink groove, and the printing ink surface in printing ink measurement container and the ink groove all with atmosphere direct contact, according to the linker principle, the printing ink liquid level in printing ink measurement container and the ink groove is in same horizontal plane department all the time. Namely, the liquid level height in the ink metering container is controlled to be kept unchanged, so that the ink amount in the ink groove is always in a consistent state. The ink volume in the ink metering container can be obtained according to the liquid level height required to be kept in the ink metering container and the bottom area of the ink metering container, and therefore the weight of the ink is calculated. And a program is preset in the weight measuring instrument, and when the weight of the ink measured by the weight measuring instrument is less than the weight of the ink required to be kept, the weight measuring instrument sends a signal to the ink adding equipment to replenish the ink in the ink measuring container until the weight measured by the weight measuring instrument is consistent with the weight of the ink required to be kept. Therefore, the ink in the ink tank can be quickly supplemented, and the occurrence of insufficient ink is reduced.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the first-stage ink wiping section and the second-stage ink wiping section, the effect of scraping off the residual ink on the surface of the printing roller twice so as to reduce the residual ink on the printing roller can be achieved;

2. through the arrangement of the peristaltic device, the effect of further reducing residual ink on the printing roller can be achieved;

3. through the setting of printing ink replenishing device, can play the effect of in time replenishing the printing ink in the ink tank.

Drawings

Fig. 1 is a schematic front view of the entire structure of an intaglio printing press of the present embodiment having high printing quality.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Fig. 4 is an enlarged schematic view of the portion C in fig. 1.

Fig. 5 is a schematic rear view of the entire structure of an intaglio printing press having high printing quality according to the present embodiment.

In the figure, 1, a frame; 11. a kidney-shaped hole; 2. straightening roller sets; 21. straightening rollers; 3. a printing cylinder; 31. a shaft section; 311. a primary pulley; 32. a printing section; 33. an adjusting cylinder; 34. a first-stage drive motor; 341. a secondary belt pulley; 4. an ink tank; 5. an ink wiping device; 51. an ink wiping plate; 511. a first-stage ink wiping section; 512. a first-level ink wiping pad; 513. a secondary ink wiping section; 514. a secondary ink wiping pad; 515. a connecting section; 52. a peristaltic device; 521. connecting blocks; 522. a peristaltic rod; 523. a crank and rocker mechanism; 5231. a first-stage turntable; 5232. a secondary connecting rod; 524. a limiting sleeve; 525. a secondary drive motor; 6. an ink replenishing device; 61. an ink metering container; 62. a weight measuring instrument; 63. an ink adding device.

Detailed Description

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

Referring to fig. 1 and 3, for the utility model discloses an intaglio press that printing quality is high, which comprises a frame 1, frame 1 distributes for portal frame and its inside from top to bottom has straightening roller set 2 and printing cylinder 3, printing cylinder 3 includes printing section 32 and the pivot section 31 that is located printing section 32 both ends, the end of pivot section 31 passes frame 1 setting, be provided with waist type hole 11 that supplies pivot section 31 to pass in frame 1, the terminal fixedly connected with one-level belt pulley 311 of pivot section 31, the terminal fixedly connected with secondary belt pulley 341 of output shaft of one-level driving motor 34, connect through the belt between one-level belt pulley 311 and the secondary belt pulley 341.

Referring to fig. 1 and 4, two rotating shaft sections 31 are connected with an adjusting cylinder 33, a base of the adjusting cylinder 33 is arranged on the frame 1, and a movable rod of the adjusting cylinder 33 is vertically arranged and is connected with the rotating shaft sections 31 through a bearing. By providing the adjustment cylinder 33, the position of the printing cylinder 3 in the vertical direction can be adjusted. In the gravure printing process, one printing cylinder 3 can print only a single pattern of a single color on a printing material, and if a plurality of combined patterns of different colors need to be printed on the printing material at the same time, a plurality of printing machines need to be arranged in series, and the printing material is enabled to pass through the plurality of printing machines in sequence for printing. And through controlling the distance of the printing cylinder 3 in the vertical direction, the laminating state between the printing cylinder 3 and the printing stock can be changed, so that the worker can select the pattern on the specific printing stock to print on the printing stock, and the assembling relation between the current printing stock and each printing stock does not need to be changed, thereby being more convenient for the worker to finely adjust the shape and the color of the pattern, and being more convenient for producing various printed matters in the same series. The rotating shaft section 31 is connected with the secondary driving motor 525 through a belt, so that the secondary driving motor 525 does not need to move together when the printing roller 3 moves, and the belt can always keep a tensioned state when the rotating shaft section 31 moves in a small range.

Referring to fig. 1 and 5, the straightening roller group 2 includes a plurality of straightening rollers 21, the straightening roller 21 closest to the printing cylinder 3 in the straightening roller group 2 is attached to the surface of the printing cylinder 3, an ink tank 4 is disposed below the printing cylinder 3, the printing cylinder 3 is partially immersed in ink in the ink tank 4, the ink tank 4 is connected with an ink supplementing device 6, the ink supplementing device 6 includes an ink metering container 61 communicated with the ink tank 4 through a pipeline, an upper end opening of the ink metering container 61 is disposed, a weight measuring instrument 62 is disposed at a bottom end of the ink metering container 61, the ink metering container 61 is connected with an ink adding device 63 through a pipeline, and the ink adding device 63 is electrically connected with the weight measuring instrument 62. The basic principle of the ink replenishment device 6 is that the ink metering container 61 and the ink tank 4 are communicated with each other, and the ink surfaces in the ink metering container 61 and the ink tank 4 are in direct contact with the atmosphere, and according to the principle of a communicating vessel, the ink liquid surfaces in the ink metering container 61 and the ink tank 4 are always at the same level. That is, by controlling the liquid level height in the ink metering container 61 to be constant, the amount of ink in the ink tank 4 can be always kept uniform. The ink volume in the ink metering container 61 can be obtained from the height of the liquid level required to be maintained in the ink metering container 61 and the bottom area of the ink metering container 61, and the weight of the ink can be calculated. The weight measuring instrument 62 is provided with a program in advance, and when the weight of the ink measured by the weight measuring instrument 62 is less than the weight of the ink to be held, the weight measuring instrument 62 sends a signal to the ink adding device 63 to replenish the ink in the ink measuring container 61 until the weight measured by the weight measuring instrument 62 is consistent with the weight of the ink to be held. Therefore, the ink in the ink tank 4 can be quickly supplemented, and the occurrence of insufficient ink can be reduced.

Referring to fig. 1 and 2, an ink wiping device 5 is arranged beside the printing cylinder 3, the ink wiping device 5 includes an ink wiping plate 51 attached to the surface of the printing cylinder 3, the ink wiping plate 51 is arranged along the axial direction of the printing cylinder 3, a first-stage ink wiping section 511 and a second-stage ink wiping section 513 are respectively formed on the edge of the ink wiping plate 51 close to the printing cylinder 3, a first-stage ink wiping gasket 512 is attached to the surface of the first-stage ink wiping section 511 facing the printing cylinder 3, a second-stage ink wiping gasket 514 is attached to the edge of the second-stage ink wiping section 513 close to the printing cylinder 3, the first-stage ink wiping section 511 is an arc-shaped section, the first-stage ink wiping section 511 is tangent to the surface of the printing cylinder 3, and a straight connecting section 515 is formed by extending the edge of the first-stage ink wiping. The connecting section 515 is arranged along the tangential direction of the primary ink wiping section 511, the secondary ink wiping section 513 is connected with the edge of the connecting section far away from the primary ink wiping section 511, a bend is formed between the two sections, the edge of the secondary ink wiping section 513 far away from the connecting section is abutted against the surface of the printing roller 3, when the secondary ink wiping section 513 is in contact with the surface of the printing roller 3, the connecting section 515 rotates towards the direction far away from the printing roller 3 under the reaction force of the printing roller 3, and the rotation center of the connecting section 515 is a connection point of the connecting section 515 and the primary ink wiping section 511.

Referring to fig. 1 and 3, one end of the ink wiping plate 51, which is far away from the printing cylinder 3, is connected with a peristaltic device 52, the peristaltic device 52 includes a connection block 521 fixedly connected with the ink wiping plate 51, a peristaltic rod 522 is fixedly connected below the connection block 521, one end of the peristaltic rod 522 is fixedly connected with a crank rocker mechanism 523, the crank rocker mechanism 523 includes a first-stage turntable 5231 and a second-stage connecting rod 5232 which are horizontally arranged, a central point of the first-stage turntable 5231 is fixedly connected with a vertically arranged second-stage driving motor 525, one end of the second-stage connecting rod 5232 is hinged to a surface edge of the first-stage turntable 5231, and the other end of the second-stage connecting rod 5232 is hinged to one end of the peristaltic. The creeping rod 522 is sleeved with two limiting sleeves 524, and the two limiting sleeves 524 are horizontally arranged and fixedly connected with the rack 1. During printing, some impurities may be mixed into the ink in the ink tank 4, and the impurities may be stuck in the primary wiping section 511 and the secondary wiping section 513 during rotation of the printing cylinder 3, resulting in incomplete wiping. The reason why the ink-wiping plate 51 cannot be completely attached to the surface of the printing cylinder 3 is likely to be caused by errors in the manufacturing and installation processes of the ink-wiping plate 51 itself or deformation of the ink-wiping plate 51 in the long-term use process. Therefore, the creeping device 52 is arranged, so that the ink wiping plate 51 can creep periodically along the axial direction of the printing roller 3 under the action of the creeping device 52, and the attaching degree between the ink wiping plate 51 and the surface of the printing roller 3 is effectively improved. The limiting ceramic sleeves are used for limiting the motion trail of the peristaltic rods 522, so that the peristaltic rods 522 can periodically creep along the connecting line direction of the two limiting sleeves 524 under the action of the crank rocker mechanism 523, and the peristaltic rods 522 drive the connecting block 521 and the ink wiping plate 51 to move together.

The implementation principle of the embodiment is as follows: such an intaglio printing press is generally used for surface printing of a strip-shaped printing material, and in the present embodiment, the printing material is generally made of paper, cloth, a plastic film, or the like. The straightening roller group 2 consisting of a plurality of straightening roller groups 2 is used for realizing the transmission and tensioning of the printing stock, so that the surface of the printing stock is stressed by force to become smoother, and the roller is more suitable for the surface printing of the printing cylinder 3. In the printing process, the printing roller 3 is driven by the primary driving motor 34 to rotate at a high speed in the ink tank 4 continuously, and the ink in the ink tank 4 is attached to the surface of the printing roller 3 during rotation. The wiping plate 51 is used for wiping off the excessive ink attached to the surface of the printing cylinder 3, the surface of the printing cylinder 3 firstly passes through the primary wiping section 511 of the wiping plate 51, the primary wiping section 511 is tangent to the surface of the printing cylinder 3, so that most of the excessive ink on the surface of the printing cylinder 3 can be wiped off, and the secondary wiping section 513 is used for secondarily wiping off the excessive ink possibly remaining on the surface of the printing cylinder 3.

The arrangement of the primary ink wiping pad 512 and the secondary ink wiping pad 514 can improve the close contact degree between the printing cylinder 3 and the primary ink wiping section 511 and between the printing cylinder 3 and the secondary ink wiping section 513, so as to further improve the removal degree of the residual ink by the ink wiping plate 51. An interaction force exists between the secondary ink wiping section 513 and the printing cylinder 3, and the secondary ink wiping section 513 is tightly attached to the surface of the printing cylinder 3 under the action of the elastic force of the connecting section 515, so that the removal capability of the secondary ink wiping section 513 on the residual ink on the surface of the printing cylinder 3 is further improved.

By further reducing the amount of ink possibly remained on the surface of the printing roller 3, the surface of the printing stock is not easily polluted by the residual ink on the surface of the printing roller 3 in the subsequent printing process, and the surface smoothness and the quality of the printing pattern of the final printed product are improved.

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 (9)

1. The utility model provides an intaglio press that printing quality is high, includes frame (1), frame (1) from top to bottom arranges in proper order that it has straightening roller set (2) and printing cylinder (3), printing cylinder (3) are connected with one-level driving motor (34), straightening roller set (2) include a plurality of straightening rollers (21), the most straightening roller (21) and the laminating of printing cylinder (3) surface that are close to printing cylinder (3) in straightening roller set (2), printing cylinder (3) below is provided with ink groove (4), printing cylinder (3) part submergence is in the printing ink in ink groove (4), printing cylinder (3) side is other to be provided with and wipes china ink device (5), wipe china ink device (5) including wiping blackboard (51) with the laminating of printing cylinder (3) surface, its characterized in that: wiping blackboard (51) and setting up along the axis direction of printing cylinder (3), the border that wiping blackboard (51) is close to printing cylinder (3) is formed with one-level wiping section (511) and second grade wiping section (513) respectively, one-level wiping section (511) are the segmental arc, one-level wiping section (511) and printing cylinder (3) surface are tangent, the border that one-level wiping section (511) is close to printing cylinder (3) extends and is formed with straight linkage segment (515).

2. An intaglio printing press of high printing quality according to claim 1, characterized in that: the connecting section (515) is arranged along the tangential direction of the primary ink wiping section (511), the secondary ink wiping section (513) is connected with the edge of the connecting section far away from the primary ink wiping section (511), a bend is formed between the two sections, and the edge of the secondary ink wiping section (513) far away from the connecting section is abutted against the surface of the printing roller (3).

3. An intaglio printing press of high printing quality according to claim 1, characterized in that: the surface of the primary ink wiping section (511) facing the printing roller (3) is provided with a primary ink wiping gasket (512) in an attaching mode, and the edge of the secondary ink wiping section (513) close to the printing roller (3) is provided with a secondary ink wiping gasket (514) in an attaching mode.

4. An intaglio printing press of high printing quality according to claim 2, characterized in that: when the secondary ink wiping section (513) is in contact with the surface of the printing roller (3), the connecting section (515) rotates towards the direction far away from the printing roller (3) under the reaction force of the printing roller (3), and the rotating center of the connecting section (515) is the connecting point of the connecting section (515) and the primary ink wiping section (511).

5. An intaglio printing press of high printing quality according to claim 3, characterized in that: wiping blackboard (51) and keeping away from the one end of printing cylinder (3) and being connected with wriggling device (52), wriggling device (52) include with wiping blackboard (51) fixed connection's connecting block (521), the below fixedly connected with wriggling pole (522) of connecting block (521), the one end fixedly connected with crank rocker mechanism (523) of wriggling pole (522), the cover is equipped with stop collar (524) on wriggling pole (522), stop collar (524) horizontal arrangement is provided with two and fixed connection between stop collar (524) and frame (1).

6. An intaglio printing press of high printing quality according to claim 5, characterized in that: crank rocker mechanism (523) are including one-level carousel (5231) and second grade connecting rod (5232) that the level set up, the vertical second grade driving motor (525) that sets up of centre point department fixedly connected with of one-level carousel (5231), the one end of second grade connecting rod (5232) is articulated with the surface border department of one-level carousel (5231), the other end of second grade connecting rod (5232) is articulated with the one end that wriggling rod (522) is close to crank rocker mechanism (523).

7. An intaglio printing press of high printing quality according to claim 5, characterized in that: printing cylinder (3) are including printing section (32) and pivot section (31) that are located printing section (32) both ends, two be connected with adjust cylinder (33) on pivot section (31), the base setting of adjust cylinder (33) is in frame (1), the vertical setting of movable rod of adjust cylinder (33) and with pivot section (31) between be connected through the bearing.

8. An intaglio printing press of high printing quality according to claim 7, characterized in that: the end of pivot section (31) passes frame (1) and sets up, be provided with waist type hole (11) that supply pivot section (31) to pass on frame (1), the terminal fixedly connected with one-level belt pulley (311) of pivot section (31), the terminal fixedly connected with second grade belt pulley (341) of the output shaft of one-level driving motor (34), connect through the belt between one-level belt pulley (311) and second grade belt pulley (341).

9. An intaglio printing press of high printing quality according to claim 7, characterized in that: ink tank (4) are connected with ink supplementary device (6), ink supplementary device (6) include with ink tank (4) between through the ink measurement container (61) of pipeline intercommunication, the upper end opening setting of ink measurement container (61), the bottom of ink measurement container (61) is provided with weight measurement appearance (62), ink measurement container (61) have ink through the pipe connection and add equipment (63), the ink adds and is connected electrically between equipment (63) and the weight measurement appearance (62).

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