CN112357634A

CN112357634A - Prevent printing machine of excursion

Info

Publication number: CN112357634A
Application number: CN202011413277.9A
Authority: CN
Inventors: 朱顺华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-02-12

Abstract

The invention relates to the field of printing machines, in particular to an anti-offset printing machine, which comprises a support, a conveying structure, a printing structure, an automatic feeding structure, a cleaning structure and a receiving structure, wherein the conveying structure is arranged on the support; through the one end installation transport structure at the support, can carry out spacing fixed to the cardboard, prevent that the condition of skew from appearing in the cardboard, and the setting of cooperation printing structure, can also print the work to the cardboard of different thickness, through the top installation automatic material conveying structure at printing structure, not only can carry out interim storage to the printing dyestuff, can also carry out automatic feed supplement work to the printing component of printing structure inside automatically, thereby can realize automatic continuation printing work, thereby can greatly improve printing efficiency, and can also the interval between automatic change and the printing component, increase the device suitability, and the setting of cooperation clearance structure, can also clean the cardboard piece of adhesion on the printing component and collect, thereby increase printing quality.

Description

Prevent printing machine of excursion

Technical Field

The invention relates to the field of printing machines, in particular to an offset-preventing printing machine.

Background

Machines for printing text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. 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 invention and the development of the printing machine play an important role in the propagation of human civilization and culture.

Generally when carrying out the characters printing on the surface to the carton cardboard, generally all be the manual work and hold the printing roller and dip in the material printing, printing efficiency is lower like this, and still need dip in the material at every turn when printing at every turn, wastes time and energy, and uses the back for a long time at the printing roller, and the piece on the carton will adhere on the printing roller, is difficult to clear up, will seriously influence the printing quality.

Disclosure of Invention

In view of the problems in the prior art, the invention provides an offset-proof printing machine.

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-deviation printing machine comprises a support, a conveying structure, a printing structure, an automatic feeding structure, a cleaning structure and a receiving structure, wherein the conveying structure capable of automatically conveying and feeding paperboards is arranged at one end of the support, which plays a role in supporting and mounting other parts; the printing structure capable of automatically printing paperboards and suitable for paperboards with different thicknesses is arranged at the top end of the support, and the automatic feeding structure capable of automatically feeding the printing structure is arranged at the top end of the printing structure; the one end installation of printing structure can be right the printing structure goes up the printing assembly and carries out the piece and clean the clearance structure the one end installation of support can carry out automatic collection to the cardboard that the printing finishes and put things in good order receive the material structure.

Specifically, the conveying structure comprises a first conveying roller, a second conveying roller, a conveying belt, a placing groove, a motor, a first belt pulley, a second belt pulley, a transmission belt and a rotating roller, wherein the first conveying roller is rotated at one end of the support, the second conveying roller is rotated at the other end of the support, the conveying belt is rotated outside the first conveying roller and the second conveying roller, the placing groove is formed in the conveying belt in an equidistant distribution mode, the motor is installed at one end of the support, the first belt pulley is fixed at one end of the motor, the second belt pulley is fixed at one end of the second conveying roller, the first belt pulley and the second belt pulley are driven by the transmission belt, and the rotating roller is rotated inside the support in a mutually parallel relation.

Specifically, the printing structure includes stand, slider, spout, adjusting screw, fixed block, guide bar and printing roller the top of support is parallel relation fixed two the stand, at one of them the inside of stand is passed through the spout slides the slider the one end of slider is rotated adjusting screw, just adjusting screw runs through the top lateral wall of stand and with stand threaded connection, another the inside of stand is fixed the guide bar the outside of guide bar slides the fixed block with rotate between the slider the printing roller.

Concretely, the automatic material conveying structure includes box, sealing plug, stock chest, dead lever, rubber buffer, first spring, sponge and fixed orifices, two the top of stand is fixed the box the inside of box is equipped with the stock chest the inside of box is fixed the dead lever the inside of box is slided the rubber buffer the dead lever with the centre gripping is fixed between the rubber buffer first spring the rubber buffer deviates from the one end of first spring is fixed the sponge the inside of rubber buffer is equipped with a plurality of sections and is the zigzag structure the fixed orifices, just the fixed orifices intercommunication the stock chest with the sponge.

Specifically, clearance structure is including clearance cover, mounting panel, receiver, locking bolt and brush, two the one end of stand is fixed clearance cover the one end of clearance cover is passed through locking bolt can dismantle the connection the mounting panel the one end of mounting panel is fixed the brush, just the brush with the printing roller is contradicted the one end of clearance cover is slided collect the box.

Specifically, the material receiving structure comprises a guide sleeve, a guide wheel, a material discharging roller, a connecting plate, a baffle, a placing plate, a sliding rod, a sliding sleeve and a second spring, the guide sleeve is fixed at one end of the bracket in an inclined shape, a plurality of guide wheels are respectively rotated at two ends of the guide sleeve in a mutually parallel relationship, a plurality of the discharging rollers which are parallel to each other are rotated at the bottom end of the guide sleeve, two connecting plates are arranged at one end of the bracket, one end of each of the two connecting plates, which is far away from the bracket, is vertically fixed with one baffle plate, the slide bars are respectively fixed in the two baffles, the sliding sleeves slide outside the slide bars and slide with the baffles, the placing plate is fixed at one end of the sliding sleeve, and the second spring is clamped and fixed between the sliding sleeve and the baffle.

The invention has the beneficial effects that:

(1) the offset-preventing printing machine can limit and fix the paper boards and prevent the paper boards from being offset by installing the conveying structure at one end of the bracket, can automatically feed the paper boards to increase the printing efficiency, and can print the paper boards with different thicknesses by matching with the arrangement of the printing structure, namely, when the offset-preventing printing machine is used, a motor electrically connected with an external power supply is started, because a first belt pulley fixed at one end of the motor is driven by a second belt pulley fixed at one end of a second conveying roller through a transmission belt, and because the first conveying roller and the second conveying roller are driven by the conveying belt, the conveying belt can drive the paper boards placed in the placing groove to automatically convey when the motor works, so that the printing efficiency is increased, the hands are liberated, and the paper boards can be limited by the arrangement of the placing groove, avoid the cardboard to appear the condition of skew in transportation process, two stands are fixed on the top of support, slide the slider through the spout in the inside of one of them stand, slide the fixed block through the guide bar in the inside of another stand, rotate the printing roller between slider and fixed block, when the cardboard passes from the printing roller bottom, the printing roller just can be printed the pattern on the roller on the cardboard, thereby accomplish automatic printing, and because rotate adjusting screw in the one end of slider, and adjusting screw runs through the top lateral wall of stand and with stand threaded connection, therefore, externally rotate adjusting screw and can realize the distance between printing roller and the conveyer belt, thereby be applicable to the cardboard of different thickness.

(2) The offset-preventing printing machine has the advantages that the automatic feeding structure is arranged at the top end of the printing structure, so that printing dye can be temporarily stored, automatic material supplementing work can be automatically carried out on a printing component in the printing structure, automatic continuous printing work can be realized, the printing efficiency can be greatly improved, the distance between the printing component and the box body can be automatically changed, the applicability of the printing machine is improved, in addition, in combination with the arrangement of the cleaning structure, paper board scraps adhered to the printing component can be cleaned and collected, the printing quality is improved, namely, the box body is fixed at the top ends of the two stand columns, the storage tank for containing the printing dye is arranged in the box body, the storage tank is communicated with the sponge through the plurality of fixing holes arranged in the rubber plug, and therefore, the printing dye in the storage tank can enter the sponge through the plurality of fixing holes, the continuous feeding can be carried out on the sponge, and the sponge is abutted against the printing roller, so the sponge can continuously feed the printing roller, the continuous printing work of the printing roller is realized, the first spring is arranged between the rubber plug and the fixed rod, the sponge can be always in an abutting state with the printing roller through the elastic force action of the first spring, so the feeding of the printing roller is ensured, the cleaning sleeve is fixed at one end of the upright column, the mounting plate is arranged in the cleaning sleeve through the locking bolt, the brush is fixed at one end of the mounting plate, and the paper board scraps adhered on the printing roller can be cleaned due to the abutting of the brush and the printing roller, so the surface cleanness of the printing roller is ensured, the printing quality is ensured, and the collecting box is slidingly arranged at the bottom end of the cleaning sleeve, the scraps cleaned by the brush can be collected through the arrangement of the collecting box, avoiding the secondary pollution caused by the scraps.

(3) The offset-preventing printing machine can guide and discharge the printed paperboards to avoid the situation of offset of the paperboards and can automatically stack the discharged paperboards by installing the material receiving structure at one end of the bracket, and can also facilitate the transportation of the stacked paperboards by a forklift at the later stage, namely, because a guide sleeve is fixed at one end of the bracket and is used for guiding the discharged paperboards, and a plurality of guide wheels are rotated at the two ends of the guide sleeve, the blanking function of the discharged paperboards can be realized, and a plurality of discharging rollers are rotated at the bottom end of the guide sleeve, the discharging guiding of the paperboards can be realized, the discharging smoothness is ensured, the situation of jamming of the paperboards is avoided, because two connecting plates are fixed at one end of the bracket, a baffle is fixed at one end of the two connecting plates, the discharged paperboards can be limited and blocked, guarantee that the cardboard can the unloading neatly put things in good order, and owing to pass through slide bar sliding sleeve in the inside of baffle, fix in the one end of sliding sleeve and place the board, can play the effect of putting things in good order to the cardboard through placing the board, and owing to the fixed second spring of centre gripping between sliding sleeve and baffle, through the elastic force of second spring, can play the automatic effect of connecing material and putting things in good order, and can also guarantee later stage fork truck transport.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of the anti-offset printing press according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of the connection of the stent and delivery structure shown in FIG. 1;

FIG. 5 is an enlarged view of the portion C shown in FIG. 4;

FIG. 6 is a schematic structural view of the cleaning structure shown in FIG. 1;

fig. 7 is a schematic structural view of the receiving structure shown in fig. 1.

In the figure: 1. support, 2, conveying structure, 21, first conveying roller, 22, second conveying roller, 23, conveying belt, 24, placing groove, 25, motor, 26, first belt pulley, 27, second belt pulley, 28, driving belt, 29, rotating roller, 3, printing structure, 31, upright post, 32, slider, 33, chute, 34, adjusting screw, 35, fixing block, 36, guide rod, 37, printing roller, 4, automatic feeding structure, 41, box, 42, sealing plug, 43, storage groove, 44, fixing rod, 45, rubber plug, 46, first spring, 47, sponge, 48, fixing hole, 5, cleaning structure, 51, cleaning sleeve, 52, mounting plate, 53, storage box, 54, locking bolt, 55, brush, 6, material receiving structure, 61, guide sleeve, 62, guide wheel, 63, material discharging roller, 64, connecting plate, 65, baffle, 66, placing plate, 67, locking bolt, guide sleeve, 63, material discharging roller, 64, connecting plate, 65, baffle plate, 66, placing plate, and storage box, A slide bar, 68, a sliding sleeve, 69 and a second spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the offset-preventing printing machine according to the present invention comprises a support 1, a conveying structure 2, a printing structure 3, an automatic feeding structure 4, a cleaning structure 5, and a receiving structure 6, wherein the conveying structure 2 capable of automatically conveying and feeding paper boards is installed at one end of the support 1 for supporting and installing other components; the printing structure 3 which can automatically print paperboards and is suitable for paperboards with different thicknesses is arranged at the top end of the bracket 1, and the automatic feeding structure 4 which can automatically feed the printing structure 3 is arranged at the top end of the printing structure 3; the one end installation of printing structure 3 can be right the printing assembly carries out the piece and cleans on the printing structure 3 clearance structure 5 the one end installation of support 1 can carry out automatic collection to the cardboard that the printing finishes and put in good order receive material structure 6.

Specifically, the conveying structure 2 includes a first conveying roller 21, a second conveying roller 22, a conveying belt 23, a placement groove 24, a motor 25, a first pulley 26, a second pulley 27, a transmission belt 28, and a rotating roller 29, the first conveying roller 21 is rotated at one end of the carriage 2, the second conveying roller 22 is rotated at the other end of the carriage 1, the conveying belt 23 is rotated outside the first conveying roller 21 and the second conveying roller 22, the placement grooves 24 are provided on the conveying belt 23 at equal intervals, the motor 25 is mounted at one end of the carriage 1, the first pulley 26 is fixed at one end of the motor 25, the second pulley 27 is fixed at one end of the second conveying roller 22, the first pulley 26 and the second pulley 27 are transmitted by the transmission belt 28, the plurality of rotating rollers 29 are rotated in parallel relation to each other inside the carriage 1, open with external power source electric connection motor 25, owing to be fixed in motor 25 one end first belt pulley 26 passes through drive belt 28 with be fixed in second conveying roller 22 one end second belt pulley 27 transmission, and because first conveying roller 21 with second conveying roller 22 passes through conveyer belt 23 carries out the transmission, consequently, motor 25 during operation can realize conveyer belt 23 drives place in the inside cardboard of standing groove 24 carries out automatic conveying to increase printing efficiency, liberate both hands, and pass through standing groove 24's setting can carry on spacingly with the cardboard, avoids the cardboard to appear the condition of skew in transportation process.

Specifically, the printing structure 3 includes two columns 31, a sliding block 32, a sliding slot 33, an adjusting screw 34, a fixing block 35, a guiding rod 36 and a printing roller 37, two columns 31 are fixed at the top end of the bracket 1 in a parallel relationship, the sliding block 32 slides through the sliding slot 33 in one of the columns 31, the adjusting screw 34 rotates at one end of the sliding block 32, the adjusting screw 34 penetrates through the side wall at the top end of the column 31 and is in threaded connection with the column 31, the guiding rod 36 is fixed in the other column 31, the fixing block 35 slides outside the guiding rod 36, the printing roller 37 rotates between the fixing block 35 and the sliding block 32, two columns 31 are fixed at the top end of the bracket 1, and the sliding block 32 slides through the sliding slot 33 in one of the columns 31, the fixed block 35 slides inside the other upright column 31 through the guide rod 36, the printing roller 37 is rotated between the slide block 32 and the fixed block 35, when a paper board passes through the bottom end of the printing roller 37, the printing roller 37 can print patterns on the paper board, so that automatic printing is completed, and since the adjusting screw 34 is rotated at one end of the slide block 32 and the adjusting screw 34 penetrates through the top end side wall of the upright column 31 and is in threaded connection with the upright column 31, the distance between the printing roller 37 and the conveying belt 23 can be realized by externally rotating the adjusting screw 34, so that the printing roller is suitable for paper boards with different thicknesses.

Specifically, the automatic feeding structure 4 includes a box body 41, a sealing plug 42, a storage tank 43, a fixing rod 44, a rubber plug 45, a first spring 46, a sponge 47 and a fixing hole 48, the box body 41 is fixed at the top end of the two columns 31, the storage tank 43 is arranged inside the box body 41, the fixing rod 44 is fixed inside the box body 41, the rubber plug 42 slides inside the box body 41, the fixing rod 44 and the rubber plug 42 clamp and fix the first spring 46, the sponge 47 is fixed at the end of the rubber plug 42 departing from the first spring 46, the fixing hole 48 with a plurality of cross-sections in a zigzag structure is arranged inside the rubber plug 42, the fixing hole 48 is communicated with the storage tank 43 and the sponge 47, the box body 41 is fixed at the top end of the two columns 31, the storage tank 43 for containing printing dye is arranged inside the box body 41, because the inside of stock chest 43 through set up in rubber buffer 45 is inside a plurality of fixed orifices 48 with sponge 47 communicates, consequently, the inside printing dyestuff of stock chest 43 will be through a plurality of fixed orifices 48 gets into the inside of sponge 47, just can be right carry out continuous feed on the sponge 47, and because the sponge 47 with printing roller 37 contradicts, consequently, the sponge 47 will be right printing roller 37 carries out continuous feed, realizes printing roller 37's continuous printing work, and because rubber buffer 42 with install between the fixed rod 44 first spring 46, through the elastic force of first spring 46, just can make sponge 47 always be in with printing roller 37's conflict state to it is right to guarantee printing roller 37's feed.

Specifically, clearance structure 5 is including clearance cover 51, mounting panel 52, receiver 53, locking bolt 54 and brush 55, two the one end of stand 31 is fixed clearance cover 51 the one end of clearance cover 51 is passed through locking bolt 54 can dismantle the connection mounting panel 52 the one end of mounting panel 52 is fixed brush 55, just brush 55 with printing roller 37 contradicts the one end of clearance cover 51 is slided collection box 53, owing to the one end of stand 31 is fixed clearance cover 51 the inside of clearance cover 51 is passed through locking bolt 54 installation mounting panel 52 the one end of mounting panel 52 is fixed brush 55, and because brush 55 with printing roller 37 contradicts, just can with adhere in the cardboard piece on printing roller 37 cleans, thereby guarantees printing roller 37's surface cleaning nature, the quality of printing is guaranteed, and because the bottom of clearance cover 51 slides collect box 53, through collect box 53's setting, can with the piece that brush 55 cleaned down is collected, avoids the piece to cause secondary pollution.

Specifically, the material receiving structure 6 includes a guide sleeve 61, a guide wheel 62, a material discharging roller 63, a connecting plate 64, a baffle plate 65, a placing plate 66, a sliding rod 67, a sliding sleeve 68 and a second spring 69, wherein the guide sleeve 61 is fixed at one end of the support 1 in an inclined manner, a plurality of guide wheels 62 are respectively rotated at two ends of the guide sleeve 61 in a mutually parallel relationship, a plurality of material discharging rollers 63 in a mutually parallel relationship are rotated at the bottom end of the guide sleeve 61, two connecting plates 64 are installed at one end of the support 1, one baffle plate 65 is respectively fixed at one end of each of the two connecting plates 64 departing from the support 1 in a perpendicular relationship, one sliding rod 67 is respectively fixed inside each of the two baffle plates 65, the sliding sleeve 68 is slid outside the sliding rod 67, the sliding sleeve 68 and the baffle plate 65 slide, the placing plate 66 is fixed at one end of the sliding sleeve 68, the second spring 69 is clamped and fixed between the sliding sleeve 68 and the baffle 65, the guide sleeve 61 is fixed at one end of the support 1 and used for guiding the discharged paper boards, the guide wheels 62 are rotated at two ends of the guide sleeve 61, the discharged paper boards can be guided, the discharging rollers 63 are rotated at the bottom end of the guide sleeve 61, the paper boards can be guided in a discharging manner, the paper boards are prevented from being stuck, the two connecting plates 64 are fixed at one end of the support 1, the baffle 65 is fixed at one end of the two connecting plates 64, the discharged paper boards can be limited and blocked, the paper boards can be discharged and neatly stacked, the sliding sleeve 68 slides through the sliding rods 67 in the baffle 65, the placing plate 66 is fixed at one end of the sliding sleeve 68, through place board 66 can play the effect of putting things in good order the cardboard, and owing to sliding sleeve 68 with the centre gripping is fixed between baffle 65 second spring 69, through the elastic force of second spring 69 can play the automatic effect of connecing material and putting things in good order, and can also guarantee later stage fork truck transport.

When the invention is used, the motor 25 electrically connected with an external power supply is started, the first belt pulley 26 fixed at one end of the motor 25 is in transmission with the second belt pulley 27 fixed at one end of the second conveying roller 22 through the transmission belt 28, and the first conveying roller 21 and the second conveying roller 22 are in transmission through the conveying belt 23, so that when the motor 25 works, the conveying belt 23 can drive the paper boards placed in the placing groove 24 to automatically convey, thereby increasing the printing efficiency, freeing both hands, and through the arrangement of the placing groove 24, the paper boards can be limited, the paper boards are prevented from being deviated in the conveying process, two upright posts 31 are fixed at the top end of the bracket 1, the slide block 32 slides in the slide groove 33 in one upright post 31, the fixed block 35 is slid inside the other upright post 31 through the guide rod 36, the printing roller 37 is rotated between the slide block 32 and the fixed block 35, when a paper board passes through the bottom end of the printing roller 37, the printing roller 37 can print patterns on the paper board, so that automatic printing is completed, and because the adjusting screw 34 is rotated at one end of the slide block 32 and the adjusting screw 34 penetrates through the side wall of the top end of the upright post 31 and is in threaded connection with the upright post 31, the distance between the printing roller 37 and the conveying belt 23 can be realized by externally rotating the adjusting screw 34, so that the paper board printing machine is suitable for paper boards with different thicknesses; because the box 41 is fixed on the top end of the two upright columns 31, the storage tank 43 for containing the printing dye is arranged in the box 41, because the inside of the storage tank 43 is communicated with the sponge 47 through the plurality of fixing holes 48 arranged in the rubber plug 45, the printing dye in the storage tank 43 can enter the sponge 47 through the plurality of fixing holes 48, so that the continuous feeding can be performed on the sponge 47, and because the sponge 47 collides with the printing roller 37, the sponge 47 can continuously feed the printing roller 37, so as to realize the continuous printing work of the printing roller 37, and because the first spring 46 is arranged between the rubber plug 42 and the fixing rod 44, the sponge 47 can always be in the collision state with the printing roller 37 through the elastic action of the first spring 46, thereby guarantee to the feeding of printing roller 37, because fix the clearance cover 51 in the one end of stand 31, in the inside of clearance cover 51 through locking bolt 54 installation mounting panel 52, fix the brush 55 in the one end of mounting panel 52, and because the brush 55 with print roller 37 is contradicted, just can clean the cardboard piece that adheres to on print roller 37, thereby guarantee the surface cleanness of printing roller 37, guarantee the quality of printing, and because slide collection box 53 in the bottom of clearance cover 51, through the setting of collection box 53, can collect the piece that brush 55 cleaned off, avoid the piece to cause secondary pollution; because the guide sleeve 61 is fixed at one end of the support 1 and used for guiding the discharged paper boards, and the guide wheels 62 are rotated at the two ends of the guide sleeve 61, the discharged paper boards can be guided, and the discharge rollers 63 are rotated at the bottom end of the guide sleeve 61, so that the discharging smoothness is ensured, and the paper boards are prevented from being stuck, because the two connecting plates 64 are fixed at one end of the support 1, the baffle 65 is fixed at one end of the two connecting plates 64, the discharged paper boards can be limited and blocked, the paper boards can be discharged and neatly stacked, and because the sliding sleeve 68 slides in the baffle 65 through the sliding rod 67, the placing plate 66 is fixed at one end of the sliding sleeve 68, the stacking effect on the paper boards can be realized through the placing plate 66, and because the sliding sleeve 68 with the second spring 69 is fixed between the baffle 65 in the centre gripping, through the elastic force effect of second spring 69, can play the automatic effect of connecing material and putting things in good order, and can also guarantee later stage fork truck transport.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An offset resistant printing press characterized by: the automatic paperboard feeding device comprises a support (1), a conveying structure (2), a printing structure (3), an automatic feeding structure (4), a cleaning structure (5) and a receiving structure (6), wherein the conveying structure (2) capable of automatically conveying and feeding paperboards is arranged at one end of the support (1) which is used for supporting and mounting other parts; the printing structure (3) capable of automatically printing paperboards and suitable for paperboards with different thicknesses is arranged at the top end of the support (1), and the automatic feeding structure (4) capable of automatically feeding the printing structure (3) is arranged at the top end of the printing structure (3); the one end installation of printing structure (3) can be right the printing subassembly carries out the piece and cleans on printing structure (3) clearance structure (5) the one end installation of support (1) can carry out automatic collection to the cardboard that the printing finishes and put in good order receipts material structure (6).

2. An offset resistant printing press as claimed in claim 1, wherein: the conveying structure (2) comprises a first conveying roller (21), a second conveying roller (22), a conveying belt (23), a placing groove (24), a motor (25), a first belt pulley (26), a second belt pulley (27), a transmission belt (28) and a rotating roller (29), wherein the first conveying roller (21) is rotated at one end of the support (2), the second conveying roller (22) is rotated at the other end of the support (1), the conveying belt (23) is rotated outside the first conveying roller (21) and the second conveying roller (22), the plurality of placing grooves (24) distributed at equal intervals are arranged on the conveying belt (23), the motor (25) is installed at one end of the support (1), the first belt pulley (26) is fixed at one end of the motor (25), the second belt pulley (27) is fixed at one end of the second conveying roller (22), the first pulley (26) and the second pulley (27) are driven by the drive belt (28) to rotate a plurality of rotating rollers (29) in parallel relation to each other inside the bracket (1).

3. An offset resistant printing press as claimed in claim 1, wherein: the printing structure (3) comprises a column (31), a slide block (32), a chute (33), an adjusting screw rod (34), a fixed block (35), a guide rod (36) and a printing roller (37), two upright posts (31) are fixed on the top end of the bracket (1) in a parallel relation, sliding the slide (32) inside one of the uprights (31) through the runner (33), the adjusting screw rod (34) is rotated at one end of the sliding block (32), the adjusting screw rod (34) penetrates through the side wall of the top end of the upright post (31) and is in threaded connection with the upright post (31), -fixing said guide bar (36) inside the other of said uprights (31), -sliding the fixed block (35) outside the guide bar (36), rotating the printing roller (37) between the fixed block (35) and the slide (32).

4. An offset resistant printing press as claimed in claim 3, wherein: automatic material conveying structure (4) includes box (41), sealing plug (42), stock chest (43), dead lever (44), rubber buffer (45), first spring (46), sponge (47) and fixed orifices (48), two the top of stand (31) is fixed box (41) the inside of box (41) is equipped with stock chest (43) the inside of box (41) is fixed dead lever (44) the inside of box (41) is slided rubber buffer (42) the dead lever (44) with the centre gripping is fixed between rubber buffer (42) first spring (46) rubber buffer (42) deviate from the one end of first spring (46) is fixed sponge (47) rubber buffer (42) the inside of rubber buffer (42) is equipped with a plurality of fixed orifices (48) that the cross-section is the structure of zigzag, and the fixing hole (48) is communicated with the storage tank (43) and the sponge (47).

5. An offset resistant printing press as claimed in claim 3, wherein: clearance structure (5) are including clearance cover (51), mounting panel (52), receiver (53), locking bolt (54) and brush (55), two the one end of stand (31) is fixed clearance cover (51) the one end of clearance cover (51) is passed through locking bolt (54) can be dismantled the connection mounting panel (52) the one end of mounting panel (52) is fixed brush (55), just brush (55) with printing roller (37) are contradicted the one end of clearance cover (51) is slided collect box (53).

6. An offset resistant printing press as claimed in claim 1, wherein: the material receiving structure (6) comprises a guide sleeve (61), guide wheels (62), a discharging roller (63), connecting plates (64), baffles (65), a placing plate (66), a sliding rod (67), a sliding sleeve (68) and a second spring (69), wherein one end of the support (1) is obliquely fixed with the guide sleeve (61), two ends of the guide sleeve (61) are parallel to each other and respectively rotate a plurality of the guide wheels (62), the bottom end of the guide sleeve (61) is rotated with a plurality of the discharging rollers (63) parallel to each other, one end of the support (1) is provided with two connecting plates (64), one end of each of the two connecting plates (64) departing from the support (1) is vertically fixed with one baffle (65), and one sliding rod (67) is respectively fixed in the two baffles (65), the sliding sleeve (68) slides outside the sliding rod (67), the sliding sleeve (68) slides with the baffle (65), the placing plate (66) is fixed at one end of the sliding sleeve (68), and the second spring (69) is clamped and fixed between the sliding sleeve (68) and the baffle (65).