CN113043717A

CN113043717A - Offset press capable of intermittently supplementing ink and turning printing paper

Info

Publication number: CN113043717A
Application number: CN202110260295.6A
Authority: CN
Inventors: 胡军强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-29

Abstract

The invention relates to an offset press, in particular to an offset press which can intermittently supplement ink and turn over printing paper, comprising a special-shaped hole opening frame, a special-shaped support frame, a special-shaped rotating shaft frame, a clamping ink printing mechanism and the like; the upper part of one side of the special-shaped perforating frame is fixedly connected with a special-shaped supporting frame, the lower part of the other side of the special-shaped perforating frame is fixedly connected with a special-shaped rotating shaft frame, and the clamping ink printing mechanism is arranged on the special-shaped perforating frame. Through the mutual cooperation of the speed reduction adjusting mechanism and the reciprocating ink coating mechanism, ink can be coated on the surface of the offset negative film intermittently, so that waste caused by excessive ink coating is avoided, and the purpose of intermittently supplementing ink is achieved.

Description

Offset press capable of intermittently supplementing ink and turning printing paper

Technical Field

The invention relates to an offset printing machine, in particular to an offset printing machine which can intermittently supplement ink and turn printing paper.

Background

Offset printing is a kind of offset printing, which refers to a printing method of transferring the image and text on a printing plate to a printing stock by a rubber blanket, and because the rubber blanket is called offset printing, the offset printing commonly referred to at present refers to an offset printing method of three cylinders, namely a printing plate, a rubber blanket and an impression cylinder, and is called koko printing in the south of China.

The existing offset printing technology has the defects that in the working process, the number of steps needing manual operation of workers is large, the procedure is complicated, the workers are required to stop the equipment to operate and manually supplement ink, the time consumption is long, the working efficiency is affected, and the double-sided offset printing is troublesome because the workers still need to turn over the paperboard manually.

Disclosure of Invention

The invention aims to provide an offset press which can clamp an offset negative film on a printing plate clamping barrel according to requirements and continuously and automatically offset a paper board to be printed, can clamp the printed paper board and turn over the printed paper board, can intermittently apply ink on the surface of the offset negative film, and can push the paper board on a conveyor belt to be level with the conveyor belt and intermittently supplement the ink and turn over the printing paper.

The utility model provides an offset press that but intermittent type nature mends black and to printing paper turn-over, including heterotypic trompil frame, heterotypic support frame, heterotypic pivot frame, press from both sides tight china ink mechanism, chucking turn-over mechanism, speed reduction adjustment mechanism and reciprocal inking mechanism, heterotypic support frame is fixed to heterotypic trompil frame one side upper portion, heterotypic pivot frame is fixed to heterotypic trompil frame opposite side lower part, press from both sides tight china ink mechanism and locate heterotypic trompil frame, chucking turn-over mechanism locates on the heterotypic trompil frame, speed reduction adjustment mechanism locates on the heterotypic trompil frame, reciprocal inking mechanism locates on the heterotypic trompil.

Further, the ink clamping and printing mechanism comprises a first rotating shaft, a part of screw shafts, an oil glue printing barrel, a printing plate clamping barrel, a first rotating disc, a second rotating disc, a first connecting rod and four-corner clamping buckles, wherein the first rotating shaft is rotatably arranged on one side of the special-shaped opening frame, part of the screw shafts are also rotatably arranged on one side of the special-shaped opening frame, the oil glue printing barrel is fixedly connected to the first rotating shaft, the printing plate clamping barrel is fixedly connected to part of the screw shafts, the first rotating disc is fixedly connected to one end of the first rotating shaft, the second rotating disc is fixedly connected to one end of part of the screw shafts, the first rotating disc and the second rotating disc are connected through the first connecting rod, part of the screw shafts are connected with the four-corner clamping buckles in a threaded fit mode.

Further, the clamping turn-over mechanism comprises a second rotating shaft, a third rotating disc, a second connecting rod, a large transmission gear, chains, arc-shaped wedge plates, a clamping bottom plate, wedge plates with guide rods and a first reset spring, wherein the second rotating shaft is rotatably arranged between the inner sides of the lower part of the special-shaped opening frame, the third rotating disc is fixedly connected to one end of the second rotating shaft, the third rotating disc is connected with the second rotating disc through the second connecting rod, the large transmission gear is symmetrically and fixedly connected to two sides of the second rotating shaft, the two large transmission gears on the same side are connected through the chains, the arc-shaped wedge plates are symmetrically and fixedly connected to the inner sides of the lower part of the special-shaped opening frame, the three clamping bottom plates are uniformly and dispersedly installed between the two chains, the sliding type wedge plates with guide rods are arranged on the tops of the clamping.

Further, the speed reduction adjusting mechanism comprises a rotating shaft III, a shaftless speed reduction gear, a shaft-containing speed reduction gear, a shaft-bearing gear disc, a connecting rod III, a rotating disc with a long and short driving lever, a special-shaped support rod, a torsion spring, a slider with a triangular block, a six-sided shaft sleeve and a bevel gear I, wherein the rotating shaft III is rotatably arranged at the upper part of the special-shaped perforated frame, the shaftless speed reduction gear is fixedly connected with one end of the rotating shaft III, the shaft-containing speed reduction gear is rotatably arranged at the upper part of the special-shaped perforated frame, the shaft-bearing gear disc is meshed with the shaftless speed reduction gear, the shaft-bearing gear disc is rotatably arranged at the upper part of the special-shaped perforated frame, the shaft-bearing gear disc is meshed with the shaft-containing speed reduction gear, one side of the connecting rod III is rotatably arranged on the shaft, a torsion spring is connected between one side of the special-shaped supporting rod and the special-shaped supporting frame, a sliding block with a triangular block is arranged on one side of the special-shaped supporting frame in a sliding mode, a hexahedral shaft sleeve is rotatably arranged at the bottom of the sliding block with the triangular block, and a bevel gear is fixedly connected onto the hexahedral shaft sleeve.

Further, the reciprocating ink coating mechanism comprises a reciprocating screw rod, a brush, an ink containing barrel, a second bevel gear, a six-sided shaft body, a third bevel gear, a fourth bevel gear and a guide round rod, wherein one end of the reciprocating screw rod is rotatably arranged on the special-shaped hole opening frame, the reciprocating screw rod is connected with the brush in a thread fit mode, the ink containing barrel is fixedly connected to one side of the special-shaped hole opening frame, the lower portion of the brush is located in the ink containing barrel, the second bevel gear is fixedly connected to the other end of the reciprocating screw rod, the six-sided shaft body is rotatably arranged on one side of the special-shaped rotating shaft frame, the third bevel gear is fixedly connected to the bottom end of the six-sided shaft body, the fourth bevel gear is fixedly connected to the other end of a part of the screw shaft, the fourth bevel gear is meshed with the third.

Further, the special-shaped slotting machine comprises a flattening mechanism, the flattening mechanism is arranged on a special-shaped slotting frame and comprises a rotating shaft four, a rotating disc five, a connecting rod four, an eccentric wheel, a slotting support frame, a special-shaped wedge block, a push plate with the wedge block, a second reset spring and a third reset spring, the rotating shaft four is rotatably arranged at the lower part of the special-shaped slotting frame, the rotating disc four is fixedly connected to one side of a bevel gear four, the rotating disc five is fixedly connected to one end of the rotating shaft four, one side of the connecting rod four is rotatably arranged on the rotating disc four, the other side of the connecting rod four is rotatably connected with the rotating disc five, the eccentric wheel is symmetrically and fixedly connected to two sides of the rotating shaft four, the slotting support frame is symmetrically and fixedly connected to the inner side of the lower part of the special-shaped slotting frame, the special-shaped wedge block is slidably arranged on the slotting support frame, and a third return spring is connected between the push plate with the wedge block and the inner wall of the chute of the slotted support frame.

Compared with the prior art, the invention has the following advantages:

through the mutual cooperation of the conveyor belt and the device on the conveyor belt and the clamping ink printing mechanism, the offset printing negative film can be clamped on the printing plate clamping barrel according to requirements, and the offset printing is continuously and automatically carried out on the paperboard to be printed, so that convenience is provided for the workers to carry out offset printing continuously.

Through chucking turn-over mechanism, can press from both sides tight the cardboard that has printed and to its turn-over, need not staff's manual turn-over, for follow-up carry out the offset printing to the another side of this cardboard provide convenience, realized having had the function that can be to the seal paper turn-over.

Through the mutual cooperation of the speed reduction adjusting mechanism and the reciprocating ink coating mechanism, ink can be coated on the surface of the offset negative film intermittently, so that waste caused by excessive ink coating is avoided, and the purpose of intermittently supplementing ink is achieved.

Through pushing away flat mechanism, can push away the cardboard on the conveyer belt to flush with the conveyer belt, can influence the effect that the pattern was printed out because the cardboard is uneven when preventing follow-up offset printing, provide convenience for the staff carries out offset printing.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic view of a first partial body structure according to the present invention.

Fig. 4 is a schematic perspective view of the ink clamping mechanism according to the present invention.

FIG. 5 is a schematic view of a second partial body structure according to the present invention.

Fig. 6 is a partial perspective view of the gripping and flipping mechanism of the present invention.

Fig. 7 is a perspective view of a third embodiment of the present invention.

Fig. 8 is a schematic perspective view of the deceleration adjusting mechanism of the present invention.

Fig. 9 is a schematic perspective view of the reciprocating inking mechanism of the present invention.

Fig. 10 is a perspective view of a fourth embodiment of the present invention.

Fig. 11 is a schematic perspective view of a part of the push mechanism of the present invention.

In the above drawings: 1: conveyor belt, 2: special-shaped perforated frame, 3: abnormal shape support frame, 4: special-shaped rotating shaft frame, 5: pinch ink mechanism, 51: rotation axis one, 52: partial screw shaft, 53: offset printing vat, 54: plate clamping barrel, 55: rotating disc one, 56: rotating disc two, 57: connecting rod one, 58: four corners buckle, 6: chucking turn-over mechanism, 61: rotation axis two, 62: rotating disc three, 63: a second connecting rod, 65: large transmission gear, 66: chain, 67: arc wedge plate, 68: chucking base plate, 69: wedge plate with guide rod, 610: first return spring, 7: deceleration adjustment mechanism, 71: rotation axis three, 72: shaftless reduction gear, 73: shaft-containing reduction gear, 74: gear disk with shaft, 75: link three, 76: rotating disc with long and short deflector rods, 77: special-shaped supporting rod, 78: torsion spring, 79: slider with triangular blocks, 710: hexahedral shaft sleeve, 711: bevel gear one, 8: reciprocating inking mechanism, 81: reciprocating screw rod, 82: brush, 83: ink barrel, 84: bevel gear two, 85: six-sided shaft body, 86: bevel gear three, 87: bevel gear four, 88: guide round bar, 9: push-flat mechanism, 91: rotation axis four, 92: rotating disc four, 93: rotating disc five, 94: link four, 95: eccentric wheel, 96: slotted support, 97: special-shaped wedge block, 98: push plate with wedge block, 99: second return spring, 910: and a third return spring.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Example 1

An offset printing machine capable of intermittently replenishing ink and turning printing paper comprises a special-shaped open hole frame 2, a special-shaped support frame 3, a special-shaped rotating shaft frame 4, a clamping ink printing mechanism 5, a clamping turn-over mechanism 6, a speed reduction adjusting mechanism 7 and a reciprocating ink coating mechanism 8, wherein the upper part of one side of the special-shaped open hole frame 2 is fixedly connected with the special-shaped support frame 3, the lower part of one side of the special-shaped open hole frame 2 far away from the special-shaped support frame 3 is fixedly connected with the special-shaped rotating shaft frame 4, the clamping ink printing mechanism 5 is arranged on the special-shaped open hole frame 2, the clamping ink printing mechanism 5 is used for clamping a negative offset printing plate on a printing plate clamping barrel 54 and carrying out offset printing on a paper plate to be printed, the clamping turn-over mechanism 6 is arranged on the special-shaped open hole frame 2, the speed reduction adjusting mechanism 7 is arranged on the special-shaped open hole frame 2, the reciprocating ink coating mechanism 8 is arranged on the special-shaped open hole frame 2, through the mutual cooperation of the speed reducing adjusting mechanism 7 and the reciprocating inking mechanism 8, the ink can be intermittently applied to the surface of the offset negative, thereby avoiding waste caused by excessive inking.

The clamping ink printing mechanism 5 comprises a first rotating shaft 51, a partial screw shaft 52, an oil offset printing barrel 53, a printing plate clamping barrel 54, a first rotating disc 55, a second rotating disc 56, a first connecting rod 57 and a four-corner clamping buckle 58, wherein the first rotating shaft 51 is rotatably arranged on one side of the special-shaped perforated frame 2 far away from the special-shaped rotating shaft frame 4, a partial screw shaft 52 is also rotatably arranged on one side of the special-shaped perforated frame 2 far away from the special-shaped rotating shaft frame 4, the partial screw shaft 52 is used for driving the second rotating disc 56 to rotate, the oil offset printing barrel 53 is fixedly connected to the first rotating shaft 51, the oil offset printing barrel 53 is used for coating ink on the surface of an offset printing plate on the printing plate clamping barrel 54, the printing plate clamping barrel 54 is fixedly connected to the partial screw shaft 52, the printing plate clamping barrel 54 is used for printing patterns on the offset printing plate on a paper board, the first rotating disc 55 is fixedly connected to one end of the first rotating shaft 51 far away from the special-shaped rotating shaft frame 4, the first rotating disc 55 and the second rotating disc 56 are connected through a first connecting rod 57, the first rotating disc 55 and the upper device thereof can be driven to rotate through the mutual matching of the second rotating disc 56 and the first connecting rod 57, part of the screw shaft 52 is connected with a four-corner clamping buckle 58 in a threaded matching mode, the four-corner clamping buckle 58 is used for clamping a required offset printing film on the printing plate clamping barrel 54, and the four-corner clamping buckle 58 is in sliding fit with the printing plate clamping barrel 54.

The clamping turn-over mechanism 6 comprises a second rotating shaft 61, a third rotating disc 62, a second connecting rod 63, a large transmission gear 65, a chain 66, an arc-shaped wedge-shaped plate 67, a clamping bottom plate 68, a wedge-shaped plate 69 with a guide rod and a first return spring 610, wherein the second rotating shaft 61 is rotatably arranged between the inner sides of the lower part of the special-shaped open hole frame 2, the third rotating disc 62 is fixedly connected to one end of the second rotating shaft 61 close to the printing plate clamping barrel 54, the third rotating disc 62 is connected with the second rotating disc 56 through the second connecting rod 63, the third rotating disc 62 and the upper device thereof can be driven to rotate through the mutual matching of the second rotating disc 56 and the second connecting rod 63, the large transmission gears 65 are symmetrically and fixedly connected to two sides of the second rotating shaft 61, the two large transmission gears 65 on the same side are connected through the chain 66, and the bottom plate 68 and the upper device, an arc-shaped wedge plate 67 is symmetrically and fixedly connected to the inner side of the lower portion of the special-shaped open-hole frame 2, the arc-shaped wedge plate 67 is used for extruding a wedge plate 69 with a guide rod to move downwards, three clamping bottom plates 68 are uniformly and dispersedly mounted between the two chains 66, the wedge plate 69 with the guide rod is slidably arranged at the top of each clamping bottom plate 68, the wedge plate 69 with the guide rod is used for clamping a paper plate, first reset springs 610 are symmetrically connected between the two sides of the wedge plate 69 with the guide rod and the top of each clamping bottom plate 68, and the first reset springs 610 are used for driving the wedge plate 69 with the guide rod to.

The speed reduction adjusting mechanism 7 comprises a rotating shaft III 71, a shaftless speed reduction gear 72, a shaft-containing speed reduction gear 73, a shaft-containing gear disc 74, a connecting rod III 75, a rotating disc 76 with a long and short deflector rod, a special-shaped supporting rod 77, a torsion spring 78, a slider 79 with a triangular block, a six-sided shaft sleeve 710 and a bevel gear I711, wherein the rotating shaft III 71 is rotatably arranged at the upper part of the special-shaped perforated frame 2, the shaftless speed reduction gear 72 is fixedly connected at one end of the rotating shaft III 71, the shaftless speed reduction gear 72 is used for driving the rotating shaft III 71 and the rotating disc 76 with the long and short deflector rod to rotate forwards at a lower speed, the shaft-containing speed reduction gear 73 is rotatably arranged at the upper part of the special-shaped perforated frame 2, the shaft-containing speed reduction gear 73 is used for driving the shaftless speed reduction gear 72 to rotate, the shaft-containing speed reduction gear 73 is meshed with the shaftless, the belt shaft gear disc 74 is meshed with the shaft-containing reduction gear 73, one side of the connecting rod third 75 is rotatably arranged on the belt shaft gear disc 74, the belt shaft gear disc 74 and the bevel gear fourth 87 can be driven to rotate through the mutual matching of the rotating disc second 56 and the connecting rod third 75, one side of the connecting rod third 75 far away from the belt shaft gear disc 74 is rotatably arranged on the rotating disc second 56, the belt long and short deflector rod rotating disc 76 is fixedly connected to one end of the rotating shaft third 71 far away from the shaftless reduction gear 72, the belt long and short deflector rod rotating disc 76 is used for driving the special-shaped support rod 77 to swing and driving the belt triangular block slider 79 and the upper device thereof to move upwards and reset, the special-shaped support rod 77 is rotatably arranged on one side of the special-shaped support frame 3 far away from the shaftless reduction gear 72, a torsion spring 78 is connected between one side of the special-shaped support rod 77 and the special-shaped support frame 3, the torsion, the six-sided shaft sleeve 710 is rotatably arranged at the bottom of the sliding block 79 with the triangular block, the six-sided shaft sleeve 710 is used for driving the first bevel gear 711 to rotate, the first bevel gear 711 is fixedly connected to the six-sided shaft sleeve 710, and the first bevel gear 711 is used for driving the second bevel gear 84 and the reciprocating screw rod 81 to rotate.

The reciprocating inking mechanism 8 comprises a reciprocating screw rod 81, a brush 82, an ink placing barrel 83, a bevel gear 84, a six-sided shaft body 85, a bevel gear 86, a bevel gear four 87 and a guide round rod 88, wherein one end of the reciprocating screw rod 81 is rotatably arranged on the special-shaped open-hole frame 2, the reciprocating screw rod 81 is used for enabling the brush 82 stained with ink to reciprocate along the reciprocating screw rod 81, the brush 82 is connected to the reciprocating screw rod 81 in a threaded fit mode, the brush 82 is used for intermittently smearing the ink on the surface of an offset printing negative film on the printing plate clamping barrel 54, the ink placing barrel 83 is fixedly connected to one side of the special-shaped open-hole frame 2, the ink placing barrel 83 is used for containing the ink, the lower part of the brush 82 is positioned in the ink placing barrel 83, the bevel gear two 84 is fixedly connected to one end of the reciprocating screw rod 81 far away from the special-shaped open-hole frame 2 in a rotating mode, the six-sided shaft body, a third bevel gear 86 is fixedly connected to the bottom end of the six-sided shaft body 85, a fourth bevel gear 87 is fixedly connected to one end of the screw shaft 52 far away from the second rotary disc 56, the fourth bevel gear 87 is used for driving the third bevel gear 86 to rotate, the fourth bevel gear 87 is meshed with the third bevel gear 86, the fourth bevel gear 87 is used for driving the fourth rotary disc 92 to rotate, one end of the guide round rod 88 is fixedly connected to the special-shaped perforated frame 2, one end of the guide round rod 88 far away from the special-shaped perforated frame 2 is fixedly connected to the special-shaped support frame 3, and the upper portion of the brush 82 is.

The required offset printing negative film is clamped on the printing plate clamping barrel 54 by manually rotating the four-corner clamping buckle 58, ink for offset printing is filled in the ink accommodating barrel 83, a paper plate to be printed is arranged at the top of the conveyor belt 1, the conveyor belt 1 rotates in a periodic reciprocating manner, the paper plate to be printed is driven to move when the conveyor belt 1 moves, the paper plate to be printed drives the printing plate clamping barrel 54 and the devices on the printing plate clamping barrel to rotate, part of the screw shaft 52 rotates to drive the second rotating disc 56 to rotate, the first rotating disc 55 and the devices on the rotating disc are driven to rotate by the first connecting rod 57, the third rotating disc 62 and the devices on the rotating disc are driven to rotate by the second connecting rod 63, the shaft gear disc 74 and the fourth bevel gear 87 are driven to rotate by the third connecting rod 75, the shaft gear disc 74 rotates to drive the third rotating shaft 71 and the rotating disc 76 with the long and short deflector rods to rotate at a lower speed by the mutual matching of, when the rotating disc 76 with the long and short driving levers rotates to enable the short driving levers to contact the special-shaped support rod 77, the rotating disc 76 with the long and short driving levers drives the special-shaped support rod 77 to swing, so that the special-shaped support rod 77 is not clamped by the slide block 79 with the triangular block, the slide block 79 with the triangular block and the upper device thereof move downwards under the action of gravity to contact with a pillar on one side of the special-shaped support frame 3, the six-side shaft sleeve 710 is just in contact with the six-side shaft body 85, the bevel gear I711 is just meshed with the bevel gear II 87, the bevel gear II 87 rotates to drive the bevel gear III 86 to rotate, the six-side shaft sleeve 710 and the upper bevel gear I711 thereof are driven to rotate through the six-side shaft body 85, then after the rotating disc 76 with the long and short driving levers is separated from the special-shaped support rod 77, the special-shaped support rod 77, the brush 82 stained with ink can move back and forth along the reciprocating screw 81, so as to paint the ink on the offset printing barrel 53, meanwhile, the first rotating disc 55 rotates to drive the first rotating shaft 51 and the offset printing barrel 53 to rotate, the offset printing barrel 53 rotates to paint the ink on the first rotating disc on the offset printing film surface on the printing plate clamping barrel 54, the printing plate clamping barrel 54 rotates to print the pattern on the offset printing film on the paper plate, then the conveyor belt 1 can drive the printed paper plate to move below the wedge-shaped plate with the guide rod 69, simultaneously, the third rotating disc 62 rotates to drive the second rotating shaft 61 thereon to rotate, further, the clamping bottom plate 68 and the upper device thereof are driven to rotate through the mutual matching of the rest large transmission gears 65 and the chain 66, when the wedge-shaped plate with the guide rod 69 is rotated to be contacted with the arc-shaped wedge-shaped plate 67, the arc-shaped wedge-shaped plate 67 can squeeze the wedge-shaped plate with the guide rod 69 to move downwards, when the wedge-shaped plate 69 with the guide rod moves to be separated from the arc-shaped wedge-shaped plate 67, the wedge-shaped plate 69 with the guide rod can be reset and loosed under the action of the first reset spring 610, the paper board is positioned below the conveyor belt 1 and turns over one surface, which facilitates the subsequent offset printing of the other surface of the paper board, and then when the rotating disk 76 with the long and short deflector rods rotates to enable the long deflector rod to be in contact with the sliding block 79 with the triangular block, the rotating disk 76 with the long and short deflector rods drives the sliding block 79 with the triangular block and the upper device to move upwards and reset, the six-sided shaft sleeve 710 is separated from the six-sided shaft body 85, the first bevel gear 711 is separated from the second bevel gear 84, the reciprocating screw 81 cannot rotate, the hairbrush 82 cannot move, and when the sliding block 79 with the triangular block moves to be in contact with the special-shaped support rod 77, the sliding block 79 with the triangular block, then the triangular block slider 79 is separated from the special-shaped support rod 77, the special-shaped support rod 77 is reset under the action of the torsion spring 78, then the long and short deflector rod rotating disk 76 is separated from the triangular block slider 79, at the moment, the special-shaped support rod 77 can block the triangular block slider 79 again to prevent the triangular block slider from moving randomly, the long and short deflector rod rotating disk 76 is continuously contacted and separated with the special-shaped support rod 77 or the triangular block slider 79, the reciprocating screw rod 81 is intermittently rotated, the hairbrush 82 is intermittently moved, the hairbrush 82 can intermittently apply ink to the surface of the offset printing negative film on the printing plate clamping barrel 54, and the conveyor belt 1 continuously moves, so that the equipment can continuously perform offset printing on the paper board to be printed.

Example 2

On the basis of the embodiment 1, as shown in fig. 10 to 11, the offset printing machine further comprises a leveling mechanism 9, the leveling mechanism 9 is disposed on the special-shaped perforated frame 2, the leveling mechanism 9 is used for pushing the paper sheets on the conveyor belt 1 to be flush with the conveyor belt 1, so as to prevent the effect of printing patterns from being affected by uneven paper sheets during subsequent offset printing, the leveling mechanism 9 comprises a rotating shaft four 91, a rotating disc four 92, a rotating disc five 93, a connecting rod four 94, an eccentric 95, a slotted support frame 96, a special-shaped wedge block 97, a push plate 98 with a wedge block, a second return spring 99 and a third return spring 910, the rotating shaft four 91 is rotatably disposed at the lower portion of the special-shaped perforated frame 2, the rotating shaft four 91 is used for driving the eccentric 95 to rotate, the rotating disc four 92 is fixedly connected to the side of the bevel gear four 87 away from the plate clamping barrel 54, the rotating disc 93 is fixedly connected to one end of the rotating, one side of a four connecting rod 94 is rotatably arranged on a four rotating disc 92, the four rotating disc 93 and a four rotating shaft 91 can be driven to rotate by the mutual matching of the four rotating disc 92 and the four connecting rod 94, one side of the four connecting rod 94 far away from the four rotating disc 92 is rotatably connected with the five rotating disc 93, two sides of the four rotating shaft 91 are symmetrically and fixedly connected with eccentric wheels 95, the eccentric wheels 95 are used for extruding a special-shaped wedge block 97 to move downwards, the inner side of the lower part of the special-shaped open hole frame 2 is symmetrically and fixedly connected with a slotted support frame 96, the slotted support frame 96 is provided with the special-shaped wedge block 97 in a sliding mode, the special-shaped wedge block 97 is used for extruding a push plate 98 with the wedge block to move towards the direction close to the conveyor belt 1, a push plate 98 with the wedge block is arranged in a straight groove at one side of the slotted support frame 96 close to the conveyor belt 1 in a sliding mode, the, a second return spring 99 is connected between the special-shaped wedge block 97 and the top of the slotting support frame 96, the second return spring 99 is used for driving the special-shaped wedge block 97 to reset, a third return spring 910 is connected between the push plate 98 with the wedge block and the inner wall of the sliding groove of the slotting support frame 96, and the third return spring 910 is used for driving the push plate 98 with the wedge block to reset.

When the bevel gear four 87 rotates, the rotating disc four 92 is driven to rotate, the rotating disc five 93 and the rotating shaft four 91 are driven to rotate through the connecting rod four 94, the rotating shaft four 91 rotates to drive the eccentric wheel 95 to rotate, when the eccentric wheel 95 rotates to be in contact with the special-shaped wedge block 97, the eccentric wheel 95 can drive the special-shaped wedge block 97 to move downwards, the special-shaped wedge block 97 can drive the wedge block-provided push plate 98 to move towards the direction close to the conveyor belt 1, when the wedge block-provided push plate 98 moves, the paper plate on the conveyor belt 1 can be pushed to be flush with the conveyor belt 1, the effect of pattern printing caused by uneven paper plate is prevented from being influenced during subsequent offset printing, then when the eccentric wheel 95 rotates to be separated from the special-shaped wedge block 97, the special-shaped wedge block 97 can reset under the action of the second reset spring 99, and the wedge block-provided push plate 98 can reset under.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an offset press that but intermittent type nature mends black and to printing paper turn-over, a serial communication port, including heterotypic trompil frame (2), heterotypic support frame (3), heterotypic pivot frame (4), press from both sides tight printing ink mechanism (5), chucking turn-over mechanism (6), speed reduction adjustment mechanism (7) and reciprocal inking mechanism (8), heterotypic open-hole frame (2) one side upper portion rigid coupling has heterotypic support frame (3), heterotypic open-hole frame (2) opposite side lower part rigid coupling has heterotypic pivot frame (4), press from both sides tight printing ink mechanism (5) and locate on heterotypic open-hole frame (2), chucking turn-over mechanism (6) are located on heterotypic open-hole frame (2), speed reduction adjustment mechanism (7) are located on heterotypic open-hole frame (2), reciprocal inking mechanism (8) are located on heterotypic open-hole frame (2.

2. The offset printing machine capable of intermittently replenishing ink and turning printing paper according to claim 1, wherein the clamping ink-printing mechanism (5) comprises a first rotary shaft (51), a partial screw shaft (52), a first mimeograph barrel (53), a printing plate clamping barrel (54), a first rotary disc (55), a second rotary disc (56), a first connecting rod (57) and a four-corner clamping buckle (58), the first rotary shaft (51) is rotatably arranged at one side of the special-shaped perforated frame (2), a part of the screw shaft (52) is also rotatably arranged at one side of the special-shaped perforated frame (2), the first mimeograph barrel (53) is fixedly connected to the first rotary shaft (51), the printing plate clamping barrel (54) is fixedly connected to the partial screw shaft (52), the first rotary disc (55) is fixedly connected to one end of the first rotary shaft (51), the second rotary disc (56) is fixedly connected to one end of the partial screw shaft (52), and the first rotary disc (55) and the second rotary disc (56) are connected through the first connecting rod (57), part of the screw shaft (52) is connected with a four-corner clamping buckle (58) in a thread matching mode, and the four-corner clamping buckle (58) is in sliding fit with the printing plate clamping barrel (54).

3. The offset printing machine capable of intermittently replenishing ink and turning printing paper according to claim 2, wherein the clamping and turning mechanism (6) comprises a second rotating shaft (61), a third rotating disc (62), a second connecting rod (63), a large transmission gear (65), a chain (66), an arc-shaped wedge-shaped plate (67), a clamping bottom plate (68), a wedge-shaped plate (69) with a guide rod and a first return spring (610), two second rotating shafts (61) are rotatably arranged between the inner sides of the lower part of the special-shaped open hole frame (2), the third rotating disc (62) is fixedly connected to one end of the second rotating shaft (61), the third rotating disc (62) is connected with the second rotating disc (56) through the second connecting rod (63), the large transmission gears (65) are symmetrically fixedly connected to two sides of the second rotating shaft (61), the two large transmission gears (65) on the same side are connected through the chain (66), the arc-shaped wedge-shaped plate (67) is symmetrically fixedly connected to the inner side of the lower part of the special-shaped open, three clamping bottom plates (68) are uniformly and dispersedly arranged between the two chains (66), a wedge-shaped plate (69) with a guide rod is arranged at the top of each clamping bottom plate (68) in a sliding mode, and first return springs (610) are symmetrically connected between the two sides of the wedge-shaped plate (69) with the guide rod and the top of each clamping bottom plate (68).

4. The offset printing machine capable of intermittently replenishing ink and turning printing paper according to claim 3, wherein the deceleration adjusting mechanism (7) comprises a rotating shaft III (71), a shaftless deceleration gear (72), a shaft-containing deceleration gear (73), a shaft-containing gear disc (74), a connecting rod III (75), a rotating disc (76) with a long and short deflector rod, a special-shaped support rod (77), a torsion spring (78), a slider with a triangular block (79), a hexahedral shaft sleeve (710) and a bevel gear I (711), the rotating shaft III (71) is rotatably arranged on the upper part of the special-shaped perforated frame (2), the shaftless deceleration gear (72) is fixedly connected to one end of the rotating shaft III (71), the shaft-containing deceleration gear (73) is rotatably arranged on the upper part of the special-shaped perforated frame (2), the shaft-containing deceleration gear (73) is meshed with the shaftless deceleration gear (72), the shaft-containing gear disc (74) is rotatably arranged on the upper part of the special-shaped perforated frame (2, the belt shaft gear disc (74) is meshed with the shaft-containing reduction gear (73), the rotary disc (56) is arranged on the rotary disc (74) in a rotary mode on one side of the connecting rod three (75), the rotary disc II (75) is arranged on the rotary disc II (56) in a rotary mode on the other side of the connecting rod three (75), the rotary disc (76) with the long and short deflector rod is fixedly connected to the other end of the rotary shaft three (71), the special-shaped supporting rod (77) is rotatably arranged on one side of the special-shaped supporting frame (3), a torsion spring (78) is connected between one side of the special-shaped supporting rod (77) and the special-shaped supporting frame (3), the special-shaped supporting frame (3) is slidably arranged on one side of the special-shaped supporting frame (79) with the triangular block.

5. The offset printing machine capable of intermittently replenishing ink and turning printing paper according to claim 4, wherein the reciprocating inking mechanism (8) comprises a reciprocating screw rod (81), a brush (82), an ink placing barrel (83), a bevel gear II (84), a six-sided shaft body (85), a bevel gear III (86), a bevel gear IV (87) and a guide round rod (88), one end of the reciprocating screw rod (81) is rotatably arranged on the special-shaped perforated frame (2), the reciprocating screw rod (81) is connected with the brush (82) in a thread fit manner, the ink placing barrel (83) is fixedly connected to one side of the special-shaped perforated frame (2), the lower part of the brush (82) is positioned in the ink placing barrel (83), the bevel gear II (84) is fixedly connected to the other end of the reciprocating screw rod (81), the shaft body (85) is rotatably arranged on one side of the special-shaped rotating frame (4), the bevel gear III (86) is fixedly connected to the bottom end of the six-sided shaft body (85), a bevel gear four (87) is fixedly connected to the other end of the partial screw shaft (52), the bevel gear four (87) is meshed with a bevel gear three (86), one end of a guide round rod (88) is fixedly connected to the special-shaped perforated frame (2), the other end of the guide round rod (88) is fixedly connected to the special-shaped support frame (3), and the upper part of the brush (82) is in sliding fit with the guide round rod (88).

6. The offset printing machine capable of intermittently replenishing ink and turning printing paper according to claim 5, further comprising a leveling mechanism (9), wherein the leveling mechanism (9) is arranged on the special-shaped perforated frame (2), the leveling mechanism (9) comprises a rotating shaft IV (91), a rotating disc IV (92), a rotating disc V (93), a connecting rod IV (94), an eccentric wheel (95), a slotted support frame (96), a special-shaped wedge block (97), a push plate (98) with a wedge block, a second return spring (99) and a third return spring (910), the rotating shaft IV (91) is rotatably arranged at the lower part of the special-shaped perforated frame (2), the rotating disc IV (92) is fixedly connected to one side of the bevel gear IV (87), the rotating disc V (93) is fixedly connected to one end of the rotating shaft IV (91), one side of the connecting rod IV (94) is rotatably arranged on the rotating disc IV (92), and the other side of the connecting rod IV (94) is connected with the rotating disc V (93), eccentric wheels (95) are symmetrically and fixedly connected to two sides of the fourth rotating shaft (91), a slotting support frame (96) is symmetrically and fixedly connected to the inner side of the lower portion of the special-shaped slotting frame (2), a special-shaped wedge block (97) is arranged on the slotting support frame (96) in a sliding mode, a push plate (98) with the wedge block is arranged on one side of the slotting support frame (96) in a sliding mode in a straight groove, a second reset spring (99) is connected between the top of the special-shaped wedge block (97) and the top of the slotting support frame (96), and a third reset spring (910) is connected between the push plate (98) with the wedge.