CN114634042B - Offset press with bidirectional paper feeding - Google Patents
Offset press with bidirectional paper feeding Download PDFInfo
- Publication number
- CN114634042B CN114634042B CN202210187439.4A CN202210187439A CN114634042B CN 114634042 B CN114634042 B CN 114634042B CN 202210187439 A CN202210187439 A CN 202210187439A CN 114634042 B CN114634042 B CN 114634042B
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- paper
- coloring
- roller
- paper feed
- transporting
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- 230000002457 bidirectional effect Effects 0.000 title claims description 6
- 238000004040 coloring Methods 0.000 claims abstract description 235
- 238000003825 pressing Methods 0.000 claims description 43
- 210000000078 claw Anatomy 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000007645 offset printing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0676—Rollers or like rotary separators with two or more separator rollers in the feeding direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/10—Applications of feed or duct rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/02—Rotary lithographic machines for offset printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0607—Rollers or like rotary separators cooperating with means for automatically separating the pile from roller or rotary separator after a separation step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1131—Size of sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Rotary Presses (AREA)
Abstract
The invention discloses a two-way paper feeding offset press which comprises a first paper feeding part, a second paper feeding part and a paper feeding coloring part, wherein the first paper feeding part is arranged on the right side of the paper feeding coloring part, a first paper conveying part is arranged between the first paper feeding part and the paper feeding coloring part, the first paper conveying part is used for conveying paper which is conveyed by the first paper feeding part and needs to be colored to the paper feeding coloring part, the second paper feeding part is arranged on the left side of the paper feeding coloring part, a second paper conveying part is arranged between the second paper feeding part and the paper feeding coloring part, the second paper conveying part is used for conveying the paper which is conveyed by the second paper feeding part and needs to be colored to the paper feeding coloring part, the front side and the rear side of the first paper feeding part are respectively provided with a first pedal assembly, the first pedal assembly is used for enabling staff to observe the interior of the first paper feeding part, and the front side and the rear side of the second paper feeding part are respectively provided with a second pedal assembly used for enabling staff to observe the interior of the second paper conveying part.
Description
Technical Field
The invention relates to the technical field of offset presses, in particular to an offset press with bidirectional paper feeding.
Background
Offset presses are one type of lithographic printing press in which the printed image is first printed from a plate onto a blanket cylinder and then transferred from the blanket cylinder to the paper. Offset presses are classified into single-sheet offset presses and web offset presses according to the paper feeding mode; the printing color number finished according to one paper feeding can be divided into single-color, double-color, four-color and multi-color printers; the largest paper width according to printing can be divided into small offset press, six-open, four-open, two-open and full-sheet paper press, and double-sided press capable of simultaneously finishing double-sided printing by one paper feeding. Sheet-fed offset presses are lithographic presses used to print high-grade commercial prints, packaging prints, and are the mainstream of modern paper printing.
At present, the existing offset press can only coat ink on one piece of paper in the process of coating ink on the paper, so that the efficiency in the whole offset printing process is low, and the working time is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an offset press with bidirectional paper feeding to solve the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a two-way offset press of feeding paper, including first paper feed portion, second paper feed portion, paper feed coloring portion, first paper feed portion sets up in the right side of paper feed coloring portion, be provided with first fortune paper portion between first paper feed portion and the paper feed coloring portion, first fortune paper portion is used for transporting the paper that needs to carry out the colouring of first paper feed portion to the paper feed coloring portion, second paper feed portion sets up in the left side of paper feed coloring portion, be provided with second fortune paper portion between second paper feed portion and the paper feed coloring portion, second fortune paper portion is used for transporting the paper that needs to carry out the colouring of second paper feed portion to the paper feed coloring portion, both sides all are provided with first pedal platform subassembly around first paper feed portion, first pedal platform subassembly is used for supplying the staff to observe the inside of first fortune paper portion, both sides all are provided with second pedal platform subassembly around second paper feed portion, second pedal platform subassembly is used for supplying the staff to observe the inside of second fortune paper portion.
Preferably, the first paper feeding part comprises a first paper feeding shell and a first paper feeding guide table, the first paper feeding guide table is arranged on the left side of the first paper feeding shell, the table top of the first paper feeding guide table is inclined leftwards along the length direction of the first paper feeding guide table, a paper feeding port is formed in the right side of the first paper feeding shell, a first paper guiding roller is arranged in the first paper feeding shell, a first tension push rod is arranged at the bottom of the first paper feeding shell, and a first tension cylinder is arranged at the bottom of the first tension push rod.
Preferably, the first paper transporting part comprises a first paper transporting shell, the first paper transporting shell is provided with a first paper transporting groove, the first paper transporting groove is arranged at the joint of the first paper transporting groove and the first paper feeding guide table, a first paper supporting rod is arranged at the right end of the first paper transporting groove, a plurality of first paper supporting wheels are arranged on the peripheral wall of the first paper supporting rod, a first movable lifting piece is arranged at the bottom of the middle of the first paper supporting rod and used for driving the first paper supporting rod to move and lift, a first paper pressing rod is arranged at the left end of the first paper transporting groove, a plurality of first paper pressing wheels are arranged on the peripheral wall of the first paper pressing rod, and a first paper pressing motor is arranged at the front end of the first paper pressing rod.
Preferably, the first movable lifting piece comprises a first lifting cylinder, a first lifting claw, a first screw rod, a first nut and a first driving motor, wherein the first lifting cylinder is arranged at the bottom of the middle part of the first paper supporting rod, the first lifting claw is arranged at the top of the first lifting cylinder, the claw part of the first lifting claw is clamped with the first paper supporting rod, the first screw rod is arranged along the length direction of the first paper conveying groove, the right end of the first screw rod is connected with the rotating shaft of the first driving motor, the first nut is in threaded connection with the first screw rod, the top of the first nut is fixedly connected with the bottom of the first lifting cylinder, and the first driving motor is arranged at the right end of the first paper conveying groove.
Preferably, the second paper feeding part comprises a second paper feeding shell and a second paper feeding guide table, the second paper feeding guide table is arranged on the right side of the second paper feeding shell, the table top of the second paper feeding guide table is inclined rightward along the length direction of the second paper feeding guide table, a paper feeding port is formed in the right side of the second paper feeding shell, a second paper guiding roller is arranged in the second paper feeding shell, a second tension push rod is arranged at the bottom of the second paper feeding shell, and a second tension cylinder is arranged at the bottom of the second tension push rod.
Preferably, the second paper transporting part comprises a second paper transporting shell, the second paper transporting shell is provided with a second paper transporting groove, the second paper transporting groove is arranged at the joint of the second paper transporting groove and the second paper feeding guide table, a second paper supporting rod is arranged at the left end of the second paper transporting groove, a plurality of second paper supporting wheels are arranged on the peripheral wall of the second paper supporting rod, a second movable lifting piece is arranged at the bottom of the middle part of the second paper supporting rod and used for driving the second paper supporting rod to move and lift, a second paper pressing rod is arranged at the right end of the second paper transporting groove, a plurality of second paper pressing wheels are arranged on the peripheral wall of the second paper pressing rod, and a second paper pressing motor is arranged at the front end of the second paper pressing rod.
Preferably, the second removes lifting element and includes second lift cylinder, second lift jack catch, the second screw rod, the second nut, second driving motor, the second lift cylinder sets up in the bottom at the middle part of second paper pole that holds in the palm, the second lift jack catch sets up in the top of second lift cylinder, and the claw and the second paper pole looks joint that holds in the palm of second lift jack catch, the second screw rod sets up along the length direction of second fortune paper groove, the right-hand member of second screw rod is connected with second driving motor's pivot, second nut and second screw rod threaded connection, and the bottom fixed connection of second nut, the second driving motor sets up in the left end of second fortune paper groove.
Preferably, the paper feeding coloring part comprises a paper conveying coloring shell, a paper conveying coloring cavity is formed in the paper conveying coloring shell, a first coloring space and a second coloring space are formed in the paper conveying coloring cavity, a center roller is arranged between the first coloring space and the second coloring space, the first coloring space is arranged on the right side of the paper conveying coloring cavity, a plurality of first coloring cylinders are arranged in the first coloring space, each first coloring cylinder is provided with a first coloring roller, a second coloring roller and a first rubber roller, the first coloring rollers are arranged at the top of the second coloring roller, the first rubber rollers are arranged at the bottom of the second coloring rollers, the first coloring space is arranged at the upper end and the lower end of the right end of the center roller, a second guide roller is arranged on one side of the first guide roller at the lower end of the right end of the center roller, the second coloring space is arranged on the left side of the paper conveying coloring cavity, a plurality of first coloring cylinders are arranged in the second coloring space, each second coloring cylinder is provided with a first coloring roller, the second coloring rollers are arranged on the second coloring space, the second roller is arranged at the second side of the fourth guide roller, the third roller is arranged at the fourth roller is arranged at the upper end of the right end of the center roller, and the fourth roller is arranged at the fourth roller.
Preferably, the first pedal assembly comprises a first channel, a first guardrail and a plurality of first observation protection blocks, wherein the first channel is arranged at the front end and the rear end of the first paper conveying part, the first guardrail is arranged at one side of each first channel, which is away from the first paper conveying shell, the first observation protection blocks are arranged at equal intervals along the length direction of the first paper conveying part, and first foot pedals are arranged between each first observation protection block and each adjacent first observation protection block.
Preferably, the second pedal assembly comprises a second channel, a second guardrail and a plurality of second observation protection blocks, wherein the second channel is arranged at the front end and the rear end of the second paper conveying part, the second guardrail is arranged at one side of each second channel, which is away from the second paper conveying shell, the second observation protection blocks are arranged at equal intervals along the length direction of the second paper conveying part, and a second pedal is arranged between each second observation protection block and each adjacent second observation protection block.
The invention has the beneficial technical effects that: the first paper feeding part, the second paper feeding part, the first paper conveying part, the second paper conveying part and the paper conveying coloring part are matched to realize the bidirectional paper feeding coloring of the coloring shell, so that the coloring efficiency of the whole structure is improved, one piece of paper is not required to be coated when the paper is coated with ink and colored, the working efficiency is improved, the working time is shortened, meanwhile, the paper with different sizes can be placed in the first paper conveying shell and the second paper conveying shell, and the applicability of the whole structure is improved; paper passing through the bottoms of the first paper pressing wheel and the second paper pressing wheel is pressed by the first paper pressing wheel and the second paper pressing wheel, so that the problem that the paper is tilted and folded when entering the first coloring space and the second coloring space is solved, the flatness of the paper entering the first coloring space and the second coloring space is improved, the paper is conveniently colored, the coloring strength and the coloring quality are improved, and the applicability of the whole structure is improved; the first movable lifting piece and the second movable lifting piece are matched, so that the adjustment of the horizontal position and the height position of the first paper supporting rod in the first paper conveying groove and the adjustment of the horizontal position and the height position of the second paper supporting rod in the second paper conveying groove are realized, the first paper supporting rod and the second paper supporting rod can conveniently adjust the inclination angle of paper to paper with different sizes, and the adaptability of the integral structure in use is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the first and second feeding portions of the present invention;
FIG. 3 is a schematic view of a paper transporting coloring shell structure of the invention;
FIG. 4 is a schematic view of a first paper transporting groove according to the present invention;
FIG. 5 is a schematic view of a first movable lifter according to the present invention;
FIG. 6 is a schematic diagram of a second paper transporting groove according to the present invention;
fig. 7 is a schematic structural diagram of a second movable lifter according to the present invention.
Reference numerals: 1. a first paper feed section; 11. a first paper feed housing; 12. a first paper feed guide table; 13. a paper inlet; 14. a first paper guide roller; 15. a first tension pushrod; 16. a first tension cylinder; 2. a second paper feeding section; 21. a second paper feed housing; 22. a second paper feed guide table; 23. a paper inlet; 24. a second paper guide roller; 25. a second tension pushrod; 26. a second tension cylinder; 3. a paper feeding coloring part; 31. paper transporting coloring shell; 32. a paper transporting coloring cavity; 33. a first coloring space; 331. a first coloring cylinder; 332. a first coloring roller; 333. a second coloring roller; 334. a first rubber roll; 335. a first guide roller; 336. a second guide roller; 34. a second coloring space; 341. a second coloring cylinder; 342. a third coloring roller; 343. a fourth coloring roller; 344. a second rubber roll; 345. a third guide roller; 346. a fourth guide roller; 35. a center roller; 4. a first paper transport section; 41. a first paper transporting shell; 42. a first paper transport groove; 421. a first guide groove; 43. a first paper supporting rod; 431. a first paper supporting wheel; 44. a first platen; 441. a first platen; 45. a first platen motor; 5. a second paper transport section; 51. a second paper transporting shell; 52. a second paper transport groove; 521. a second guide groove; 53. a second paper supporting rod; 531. a second paper supporting wheel; 54. a second platen; 541. a second platen roller; 55. a second platen motor; 6. a first movable lifter; 61. a first lifting cylinder; 62. a first lifting jack catch; 63. a first screw; 64. a first nut; 65. a first driving motor; 7. a second movable lifter; 71. a second lifting cylinder; 72. a second lifting jack catch; 73. a second screw; 74. a second nut; 75. a second driving motor; 8. a first tread table assembly; 81. a first channel; 82. a first guardrail; 83. a first observation protection block; 84. a first foot pedal; 9. a second tread table assembly; 91. a second channel; 92. a second guardrail; 93. a second observation protection block; 94. a second foot pedal.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In this embodiment:
referring to fig. 1 to 7, an offset press for bi-directional feeding of paper includes a first paper feeding portion 1, a second paper feeding portion 2, and a paper feeding coloring portion 3, wherein the first paper feeding portion 1 is disposed on the right side of the paper feeding coloring portion 3, and wherein: the first paper approaching part 1 comprises a first paper feeding shell 11 and a first paper feeding guide table 12, the first paper feeding guide table 12 is arranged on the left side of the first paper feeding shell 11, the table top of the first paper feeding guide table 12 is inclined leftwards along the length direction of the first paper feeding guide table 12, a paper feeding opening 13 is formed in the right side of the first paper feeding shell 11, a first paper guiding roller 14 is arranged in the first paper feeding shell 11, a first tension push rod 15 is arranged at the bottom of the first paper feeding shell 11, a first tension cylinder 16 is arranged at the bottom of the first tension push rod 15, when the tension of paper entering and leaving the first paper feeding shell 11 is required to be adjusted, the first tension cylinder 16 is opened, the first tension push rod 15 is stretched, and when the first tension push rod 15 moves towards the first paper guiding roller 14, namely the first tension cylinder 16 drives the first tension cylinder 14 to squeeze the first paper guiding roller 14, the first paper guiding roller 14 moves towards the first paper guiding roller 11, the first paper guiding roller 11 is shifted towards the first paper feeding shell 11, the first paper guiding roller 11 is shifted towards the first paper guiding roller 11, and the first paper is shifted towards the first paper feeding shell 11 is shifted towards the first paper guiding roller 11, and the first paper feeding shell is shifted into the first paper feeding shell 11 is shifted towards the first paper feeding shell, and the first paper is shifted into the first paper feeding shell is shifted into the first paper 11; the second paper feeding part 2 is arranged on the left side of the paper feeding coloring part 3, the second paper conveying part 5 comprises a second paper feeding shell 21 and a second paper feeding guide table 22, the second paper feeding guide table 22 is arranged on the right side of the second paper feeding shell 21, the table top of the second paper feeding guide table 22 is inclined to the right along the length direction of the second paper feeding guide table 22, a paper feeding opening 23 is formed in the right side of the second paper feeding shell 21, a second paper guiding roller 24 is arranged in the second paper feeding shell 21, a second tension push rod 25 is arranged at the bottom of the second paper feeding shell 21, a second tension cylinder 26 is arranged at the bottom of the second tension push rod 25, when the tension of paper entering and leaving the second paper feeding shell 21 is required to be adjusted, the second tension cylinder 26 is opened, the second tension push rod 25 stretches out and draws back, when the second tension push rod 25 moves towards the second paper guiding roller 24, namely, the second tension cylinder 26 drives the second tension push rod 25 to press the second paper guiding roller 24 to push rod 24, the second paper guiding roller 24 is made to deviate from the second paper feeding shell 21, and the second paper feeding roller 21 is made to deviate from the second paper feeding shell 21, when the tension entering the second paper feeding roller is made into the second paper feeding shell 21.
The paper feeding coloring part comprises a paper conveying coloring shell 31, a paper conveying coloring cavity 32 is arranged in the paper conveying coloring shell 31, a first coloring space 33 and a second coloring space 34 are arranged in the paper conveying coloring cavity 32, a central roller 35 is arranged between the first coloring space 33 and the second coloring space 34, the first coloring space 33 is arranged on the right side of the paper conveying coloring cavity 32, a plurality of first coloring cylinders 331 are arranged in the first coloring space 33, the number of the first coloring cylinders 331 is at least 4, each first coloring cylinder is provided with a first coloring roller 332, a second coloring roller 333 and a first rubber roller 334, the first coloring roller 332 is arranged at the top of the second coloring roller 333, the first rubber roller 334 is arranged at the bottom of the second coloring roller 333, the upper end and the lower end of the first coloring space 33 arranged at the right end of the central roller 35 are respectively provided with a first guide roller 335, the first guide roller 335 of the first coloring space 33 disposed at the right end of the center roller 35 is provided with the second guide roller 336 on one side thereof, the second coloring space 34 is disposed at the left side of the paper transporting coloring cavity 32, the second coloring space 34 is internally provided with a plurality of second coloring drums 341, each second coloring drum is provided with the third coloring roller 342, the fourth coloring roller 343 and the second rubber roller 344, the third coloring roller 342 is disposed at the top of the fourth coloring roller 343, the second rubber roller 344 is disposed at the bottom of the fourth coloring roller 343, the second coloring space 34 is disposed at the upper and lower ends of the left end of the center roller 35 and is provided with the third guide roller 345, the second guide roller 336 of the second coloring space 34 disposed at the lower end of the left end of the center roller 35 is provided with the fourth guide roller 346 on one side thereof, when the first paper feeding portion 1 and the second paper feeding portion 2 start paper feeding, the paper of the same size as that entering the second paper feeding housing 21 can be placed in the first paper feeding housing 11, the paper placed in the second paper feeding housing 21 may be of different sizes in the first paper feeding housing 11, the paper entering the first paper feeding housing 11 may enter the paper transporting member along the first paper guiding roller 14, the paper may be transported to the right end of the paper transporting and coloring housing 31 by the transporting action of the first paper transporting portion 4, the paper entering the right side of the paper transporting and coloring housing 31 may enter the first coloring cylinder 331 of the first coloring space 33 along the right-to-left direction, the paper entering the first coloring cylinder 331 may enter the space between the second coloring roller 333 and the first rubber roller 334 at the right side of the first coloring space 33, the coloring pigment in the first coloring cylinder 331 may be uniformly conducted to the second coloring roller 333 by the first coloring roller 332, the paper passing between the first rubber roller 334 and the second coloring roller 333 may be colored by the first rubber roller 334 and the second coloring roller 333, until the paper passes through all the first coloring drums 331, the coloring of the paper entering from the right end of the paper transporting and coloring shell 31 is completed, the paper in the first coloring space 33 passes through the first guide roller 335 arranged at the upper right corner and the lower right corner of the central roller 35, then leaves the paper transporting and coloring shell 31 through the second guide roller 336, enters the first paper storage tank of the right end of the paper transporting and coloring shell 31, until the coloring of all the paper entering the first paper feeding shell 11 is completed, when the paper entering the first paper feeding shell 11 enters the first coloring space 33 for inking and coloring, the paper is transported into the left side of the paper feeding and coloring shell through the second paper transporting part 5, the paper entering the second paper feeding shell 21 enters the second coloring space 34, the paper entering the left side of the upper coloring shell enters the second coloring drum 341 of the second coloring space 34 along the left-to-right direction, the paper entering the second coloring cylinder 341 firstly enters between the fourth coloring roller 343 and the second rubber roller 344 at the leftmost side of the first coloring space 33, uniformly transmits the coloring pigment in the second coloring cylinder 341 to the fourth coloring roller 343 through the third coloring roller 342, then presses the second rubber roller 344 and the fourth coloring roller 343 to color the paper passing through the second rubber roller 344 and the fourth coloring roller 343 until the paper passes through all the second coloring cylinders 341, finishes coloring the paper entering from the left end of the paper transporting coloring housing 31, and then makes the paper in the second coloring space 34 pass through the third guide roller 345 at the left upper corner and the left lower corner of the center, leaves the paper transporting coloring housing 31 through the fourth guide roller 346, and enters the second paper storage groove of the left end self-belt of the paper transporting coloring housing 31;
A first paper conveying part 4 is arranged between the first paper feeding part 1 and the paper feeding coloring part 3, the first paper conveying part 4 is used for conveying the paper which is conveyed by the first paper feeding part 1 and needs to be colored to the paper feeding coloring part 3, the first paper conveying part 4 comprises a first paper conveying shell 41, the first paper conveying shell 41 is provided with a first paper conveying groove 42, a first guide groove 421 is arranged at the joint of the first paper conveying groove 42 and the first paper feeding guide table 12, the right end of the first paper conveying groove 42 is provided with a first paper supporting rod 43, the peripheral wall of the first paper supporting rod 43 is provided with a plurality of first paper supporting wheels 431, the bottom of the middle part of the first paper supporting rod 43 is provided with a first movable lifting piece 6, the first movable lifting piece 6 is used for driving the first paper supporting rod 43 to move and lift, the first movable lifting piece 6 comprises a first lifting cylinder 61, a first lifting claw 62, a first screw 63, a first nut 64 and a first driving motor 65, the first lifting cylinder 61 is arranged at the bottom of the middle part of the first paper supporting rod 43, the first lifting claw 62 is arranged at the top of the first lifting cylinder 61, the claw part of the first lifting claw 62 is clamped with the first paper supporting rod 43, the first screw 63 is arranged along the length direction of the first paper conveying groove 42, the right end of the first screw 63 is connected with the rotating shaft of the first driving motor 65, the first nut 64 is in threaded connection with the first screw 63, the top of the first nut 64 is fixedly connected with the bottom of the first lifting cylinder 61, the first driving motor 65 is arranged at the right end of the first paper conveying groove 42, the switch in the forward rotation direction of the first driving motor 65 and the air inlet end of the first lifting cylinder 61 are controlled through the same switch, the switch in the reverse rotation direction of the first driving motor 65 and the air outlet end of the first lifting cylinder 61 are controlled through the same switch, the left end of the first paper transporting groove 42 is provided with a first paper pressing rod 44, the peripheral wall on the first paper pressing rod 44 is provided with a plurality of first paper pressing wheels 441, the front end of the first paper pressing rod 44 is provided with a first paper pressing motor 45, when the paper in the first paper feeding shell 11 enters the first paper transporting groove 42, the first guiding groove 421 arranged at the right end of the first paper transporting groove 42 is used for guiding the paper primarily, the bottom of the left end of the paper contacts with the top of the paper supporting wheel, when the top of the paper supporting wheel supports the left end of the paper, the right end of the paper continuously moves towards the paper transporting groove under the driving of the first paper guiding roller 14, a leftward thrust is provided for the left end of the paper, but because of the gravity of the paper, the stress direction of the left end of the paper when leaving the first paper transporting shell 41 is a leftward inclined acting force, the paper is inclined leftwards, when the left end of the paper contacts with the top of the paper supporting wheel, the paper supporting wheel rotates under the action of the left end of the paper, so as to guide the moving direction of the paper until the left end of the paper enters the bottom of the first paper conveying groove 42, the plane of the bottom of the first paper conveying groove 42 is a transmission belt type paper conveying plane driven by a motor, because the transmission belt type paper conveying plane driven by the motor is the prior art, the structure of the transmission belt type paper conveying plane is not refined any more, the paper is continuously moved towards the right end of the paper conveying coloring shell 31 under the driving of the paper conveying plane until the paper enters the right end of the paper conveying coloring shell 31, when the supporting height of the paper needs to be adjusted, a switch for synchronously controlling the first driving motor 65 to forward rotate and the first lifting cylinder 61 to enter is opened, the first driving motor 65 is made to forward rotate, the first lifting cylinder 61 is made to start to operate, when the first driving motor 65 rotates positively, the first driving motor 65 drives the first screw 63 to rotate positively, and the first screw 63 is matched with the threads of the first nut 64, so that the first nut 64 moves towards the right end of the paper conveying groove on the first screw 63, the horizontal position of the first paper supporting rod 43 in the paper conveying groove is changed, meanwhile, the first lifting cylinder 61 starts to enter air, the piston rod of the first lifting cylinder 61 stretches out, an upward acting force is provided for the first lifting claw 62, the acting force is transmitted to the first paper supporting rod 43, the first paper supporting rod 43 is driven to move upwards, the height of the first paper supporting wheel 431 is changed, when paper in the paper conveying groove enters the bottom of the first paper pressing rod 44, the first driving motor 65 drives the first paper pressing rod 44 to rotate, all the first paper pressing wheels 441 are driven to rotate, the paper passing through the bottom of the first paper pressing wheels 441 is prevented from tilting and folding when entering the right side of the first coloring space 33, the color space is improved, the color and the color of the whole paper is prevented from being colored, the color of the paper entering the first coloring space is improved, the color is convenient to improve, the color and the overall quality is improved, and the applicability is improved.
A second paper conveying part 5 is arranged between the second paper feeding part 2 and the paper feeding coloring part 3, the second paper conveying part 5 is used for conveying the paper which is conveyed by the second paper feeding part 2 and needs to be colored to the paper feeding coloring part 3, the second paper approaching part comprises a second paper conveying shell 51, the second paper conveying shell 51 is provided with a second paper conveying groove 52, the joint of the second paper conveying groove 52 and the second paper feeding guide table 22 is provided with a second guide groove 521, the left end of the second paper conveying groove 52 is provided with a second paper supporting rod 53, the peripheral wall of the second paper supporting rod 53 is provided with a plurality of second paper supporting wheels 531, the bottom of the middle part of the second paper supporting rod 53 is provided with a second movable lifting piece 7, the second movable lifting piece 7 is used for driving the second paper supporting rod 53 to move and lift, the second movable lifting piece 7 comprises a second lifting cylinder 71, a second lifting claw 72, a second screw 73, a second nut 74 and a second driving motor 75, the second lifting cylinder 71 is arranged at the bottom of the middle part of the second paper supporting rod 53, the second lifting claw 72 is arranged at the top of the second lifting cylinder 71, the claw part of the second lifting claw 72 is clamped with the second paper supporting rod 53, the second screw 73 is arranged along the length direction of the second paper conveying groove 52, the second nut 74 is in threaded connection with the second screw 73, the top of the second nut 74 is fixedly connected with the bottom of the second lifting cylinder 71, the second driving motor 75 is arranged at the left end of the second paper conveying groove 52, the switch in the forward rotation direction of the second driving motor 75 and the air inlet end of the second lifting cylinder 71 are controlled through the same switch, the switch in the reverse rotation direction of the second driving motor 75 and the air outlet end of the second lifting cylinder 71 are controlled through the same switch, the right end of the second paper conveying groove 52 is provided with the second paper pressing rod 54, the second platen roller 541 is disposed on the outer peripheral wall of the second platen roller 54, the second platen motor 55 is disposed at the front end of the second platen roller 54, when the paper in the second paper feeding housing 21 enters the second paper transporting slot 52, the paper is initially guided by the second guide slot 521 disposed at the left end of the second paper transporting slot 52, and the bottom of the right end of the paper contacts with the top of the paper supporting roller, when the top of the paper supporting roller supports the right end of the paper, the right end of the paper is driven by the second paper guiding roller 24 to move continuously toward the paper transporting slot to provide a right thrust to the right end of the paper, but due to the gravity of the paper, the force applied to the right end of the paper is inclined toward the lower right direction when leaving the second paper transporting housing 51, and when the right end of the paper contacts with the top of the paper supporting roller, the paper supporting wheel rotates under the action force of the right end of the paper, so as to guide the moving direction of the paper until the right end of the paper enters the bottom of the paper conveying groove, the plane of the bottom of the paper conveying groove is a paper conveying plane of a transmission belt driven by a motor, because the paper conveying plane of the transmission belt driven by the motor is the prior art, the structure of the paper conveying plane is not refined any more in the embodiment, the paper continuously moves towards the left end of the paper conveying coloring shell 31 under the driving of the paper conveying plane until the paper enters the left end of the paper conveying coloring shell 31, when the supporting height of the paper needs to be adjusted, a switch for synchronously controlling the second driving motor 75 to forward rotate and the second lifting cylinder 71 to feed air is turned on, the second driving motor 75 is made to forward rotate, and the second lifting cylinder 71 is made to start to forward rotate, and when the second driving motor 75 is made forward rotate, the second screw rod 73 is driven to rotate positively through the second driving motor 75 and is matched with the threads of the second screw rod 74, so that the second screw rod 74 moves towards the right end of the paper conveying groove on the second screw rod 73, the horizontal position of the second paper supporting rod 53 in the paper conveying groove is changed, meanwhile, the second lifting cylinder 71 starts to enter air, a piston rod of the second lifting cylinder 71 stretches out, an upward acting force is provided for the second lifting claw 72, the acting force is transmitted to the second paper supporting rod 53, the second paper supporting rod 53 is driven to move upwards, the height of the second paper supporting wheel 531 is changed, when paper in the paper conveying groove enters the bottom of the second paper pressing rod 54, the second driving motor 75 drives the second paper pressing rod 54 to rotate, so that all the paper passing through the bottom of the second paper pressing rod 541 is pressed, the problem that the paper is lifted and folded when the paper enters the left end of the second coloring space 34 is prevented, the evenness of the paper entering the second coloring space 34 is improved, the coloring quality is convenient, the whole coloring quality is improved, and the applicability is improved.
The first pedal assembly 8 is arranged on the front side and the rear side of the first paper feeding part 1, the first pedal assembly 8 is used for allowing workers to observe the inside of the first paper conveying part 4, the first pedal assembly 8 comprises a first channel 81, a first guardrail 82 and a plurality of first observation protection blocks 83, the first channel 81 is arranged on the front end and the rear end of the first paper conveying part 4, the first guardrail 82 is arranged on one side, deviating from the first paper conveying shell 41, of each first channel 81, the first observation protection blocks 83 are equidistantly arranged along the length direction of the first paper conveying part 4, a first foot pedal 84 is arranged between each first observation protection block 83 and the adjacent first observation protection blocks 83, the front side and the rear side of the second paper feeding part 2 are respectively provided with a second pedal assembly 9, the second pedal assembly 9 is used for allowing the workers to observe the inside of the second paper conveying part 5, the second pedal assembly 9 comprises a second channel 91, a second guard rail 92 and a plurality of second observation protection blocks 93, wherein the second channel 91 is arranged at the front end and the rear end of the second paper conveying part 5, the second guard rail 92 is arranged at one side of each second channel 91 deviating from the second paper conveying shell 51, the second observation protection blocks 93 are equidistantly arranged along the length direction of the second paper conveying part 5, a second foot pedal 94 is arranged between each second observation protection block 93 and each adjacent second observation protection block 93, when the paper conveying process in the first paper conveying groove 42 is required to be observed, the first channel 81 arranged at the front end and the rear end of the first paper conveying part 4 is used for the movement of a worker, the first guard rail 82 is arranged at one side of each first channel 81 deviating from the first paper conveying groove 42 to protect the worker, the occurrence of safety accidents caused by the falling down of the worker is prevented, the occurrence of potential safety hazards is reduced, meanwhile, the first foot pedal 84 between every two adjacent first observation blocks is used for the staff to heighten and observe, so that the staff can conveniently and rapidly detect the working state in the first paper conveying groove 42, the paper in the first paper conveying groove 42 is prevented from being accumulated and cannot be known in time, and the stability of the overall structure is improved.
When the paper needs to be inked and colored, the same size as the paper entering the second paper feeding shell 21 can be placed in the first paper feeding shell 11, or the paper placed in the second paper feeding shell 21 in the first paper feeding shell 11 can be of different sizes, the paper is initially guided by the first guide groove 421 arranged at the right end of the first paper conveying groove 42, the bottom of the left end of the paper is contacted with the top of the paper supporting wheel, the top of the paper supporting wheel supports the left end of the paper, at the moment, the right end of the paper continuously moves towards the paper conveying groove under the drive of the first paper guiding roller 14 to provide a leftward thrust for the left end of the paper, but due to the gravity of the paper, the stress direction of the left end of the paper when leaving the first paper conveying shell 41 is a leftward inclined acting force, the paper is leftward inclined, when the left end of the paper contacts with the top of the paper supporting wheel, the paper supporting wheel rotates under the action of the left end of the paper, so as to guide the moving direction of the paper until the left end of the paper enters the bottom of the paper conveying groove, the plane of the bottom of the paper conveying groove is a paper conveying plane driven by a motor, because the paper conveying plane driven by the motor is a paper conveying plane driven by a driving belt type, which is not detailed in the prior art, the paper is driven by the paper conveying plane to continuously move towards the right end of the paper conveying coloring shell 31 until entering the right end of the paper conveying coloring shell 31, when the supporting height of the paper needs to be adjusted, a switch for synchronously controlling the first driving motor 65 to forward rotate and the first lifting cylinder 61 to feed air is opened, so that the first driving motor 65 forward rotates and the first lifting cylinder 61 starts to operate, when the first driving motor 65 rotates positively, the first driving motor 65 drives the first screw 63 to rotate positively, and the first screw 63 is matched with the threads of the first nut 64, so that the first nut 64 moves towards the right end of the paper conveying groove on the first screw 63, the horizontal position of the first paper supporting rod 43 in the paper conveying groove is changed, meanwhile, the first lifting cylinder 61 starts to enter air, the piston rod of the first lifting cylinder 61 stretches out, an upward acting force is provided for the first lifting claw 62, the acting force is transmitted to the first paper supporting rod 43, the first paper supporting rod 43 is driven to move upwards, the height of the first paper supporting wheel 431 is changed, when paper in the paper conveying groove enters the bottom of the first paper pressing rod 44, the first driving motor 65 drives the first paper pressing rod 44 to rotate, so that all the first paper pressing wheels 441 are driven to rotate, paper passing through the bottom of the first paper pressing wheels 441 is pressed, the problem of tilting and folding when the paper enters the right side of the first coloring space 33 is prevented, the flatness of the paper entering the first coloring space 33 is improved, the paper is convenient to color, the color strength and the color quality are improved, the applicability of the whole structure is improved, meanwhile, the paper is initially guided through the second guide groove 521 arranged at the left end of the second paper conveying groove 52, the bottom of the right end of the paper is contacted with the top of the paper supporting wheel, when the top of the paper supporting wheel supports the right end of the paper, the right end of the paper continuously moves towards the paper conveying groove under the driving of the second paper guiding roller 24 to provide a right thrust for the right end of the paper, but the gravity exists on the paper, so that the stress direction of the right end of the paper when leaving the second paper conveying shell 51 is the acting force inclined towards the right lower part, the paper is inclined rightwards, when the right end of the paper contacts with the top of the paper supporting wheel, the paper supporting wheel rotates under the action of the right end of the paper, so as to guide the moving direction of the paper until the right end of the paper enters the bottom of the paper conveying groove, the plane of the bottom of the paper conveying groove is a paper conveying plane driven by a motor, because the paper conveying plane driven by the motor is a driving belt type paper conveying plane driven by the motor, the structure of the paper conveying plane is not refined any more in the embodiment, the paper continuously moves towards the left end of the paper conveying coloring shell 31 under the driving of the paper conveying plane until the paper enters the left end of the paper conveying coloring shell 31, when the supporting height of the paper needs to be adjusted, a switch for synchronously controlling the second driving motor 75 to forward rotate and the second lifting cylinder 71 to feed air is opened, the second driving motor 75 is made to forward rotate, and the second lifting cylinder 71 is made to start to do so as to start, when the second driving motor 75 rotates positively, the second driving motor 75 drives the second screw 73 to rotate positively, and the second driving motor 75 cooperates with the threads of the second nut 74, so that the second nut 74 moves on the second screw 73 towards the right end of the paper conveying groove, the horizontal position of the second paper supporting rod 53 in the paper conveying groove is changed, meanwhile, the second lifting cylinder 71 starts to enter air, the piston rod of the second lifting cylinder 71 stretches out, an upward acting force is provided for the second lifting claw 72, the acting force is transmitted to the second paper supporting rod 53, the second paper supporting rod 53 is driven to move upwards, the height of the second paper supporting wheel 531 is changed, when paper in the paper conveying groove enters the bottom of the second paper pressing rod 54, the second driving motor 75 drives the second paper pressing rod 54 to rotate, so that all the second paper pressing wheels 541 are driven to rotate, paper passing through the bottom of the second paper pressing wheels 541 is pressed, the problem of tilting and folding when the paper enters the left end of the second coloring space 34 is prevented, the flatness of the paper entering the second coloring space 34 is improved, the paper is convenient to color, the color strength and the color quality are improved, the applicability of the whole structure is improved, when the first coloring space 33 and the second coloring space 34 start to feed the paper, the paper is conveyed to the right end of the paper conveying coloring shell 31 through the conveying action of the first paper conveying part 4, the paper entering the right side of the paper conveying coloring shell 31 enters the first coloring cylinder 331 of the first coloring space 33 along the right-to-left direction, the paper entering the first coloring cylinder 331 firstly enters a position between the second coloring roller 333 and the first rubber roller 334 which are arranged at the rightmost side of the first coloring space 33, and the coloring pigment in the first coloring cylinder 331 is uniformly conducted to the second coloring roller 333 through the first coloring roller 332, the first rubber roller 334 and the second coloring roller 333 are extruded to color the paper passing through the space between the first rubber roller 334 and the second coloring roller 333 until the paper passes through all the first coloring cylinders 331, the coloring of the paper entering from the right end of the paper feeding coloring housing 31 is completed, the paper in the first coloring space 33 passes through the first guide roller 335 arranged at the upper right corner and the lower right corner of the central roller 35, leaves the paper feeding coloring housing 31 through the second guide roller 336, enters the first paper storage groove of the right end of the paper feeding coloring housing 31 until the coloring of all the paper entering the first paper feeding housing 11 is completed, when the paper entering the first coloring space 33 from the first paper feeding housing 11 is colored, the paper is transported to the left side of the paper feeding coloring paper feeding housing through the second paper feeding portion 5, and the paper entering the second paper feeding housing 21 enters the second coloring space 34, then, the paper which enters into the left side of the coloring shell enters into the second coloring cylinder 341 of the second coloring space 34 along the left-to-right direction, the paper which enters into the second coloring cylinder 341 firstly enters between the fourth coloring roller 343 and the second rubber roller 344 which are arranged at the leftmost side of the first coloring space 33, the coloring pigment which enters into the second coloring cylinder 341 is uniformly conducted to the fourth coloring roller 343 through the third coloring roller 342, then the second rubber roller 344 is extruded with the fourth coloring roller 343, the paper which passes through the second rubber roller 344 and the fourth coloring roller 343 is colored, the paper which enters into the left end of the paper coloring shell 31 is colored through all the second coloring cylinders 341, then the paper which passes through the third guide roller 345 at the left upper corner and the left lower corner of the center of the second coloring space 34 leaves the paper coloring shell 31 through the fourth guide roller 346, the color-entering part of the second paper coloring shell 31 is self-carried in the second storage groove of the paper coloring shell 31, the paper which does not need to be colored in the first paper feeding part 1, the second paper feeding part and the second paper feeding part 1, the second paper feeding part is not needed to be colored, the two-way structure is arranged, the paper feeding efficiency is improved, and the paper can be applied to the whole paper feeding structure is not needed to be carried out, and the paper feeding efficiency is increased, and the whole paper is in the paper feeding structure is in the paper feeding part is in the paper feeding case and the paper feeding paper and the paper is in the paper and the paper feeding structure and the paper feeding paper and the paper is in the paper and the paper.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. An offset press with bidirectional paper feeding, which is characterized in that: including first paper feed portion (1), second paper feed portion (2), paper feed portion (3), first paper feed portion (1) sets up in the right side of paper feed portion (3), be provided with first paper transport portion (4) between first paper feed portion (1) and paper feed portion (3), first paper transport portion (4) are used for transporting the paper that needs to carry out the colouring of first paper feed portion (1) to paper feed portion (3), second paper feed portion (2) set up in the left side of paper feed portion (3), be provided with second paper transport portion (5) between second paper feed portion (2) and paper feed portion (3), second paper transport portion (5) are used for transporting the paper that needs to carry out the colouring of second paper feed portion (2) to paper feed portion (3), both sides all are provided with first pedal assembly (8) in the front and back of first paper feed portion (1), first pedal assembly (8) are used for transporting the paper feed portion (2), second pedal assembly (3) are used for carrying out the paper feed portion (3) to the inside of second paper feed portion (3), second pedal assembly (3) are used for carrying out the paper feed portion (3) to the surface of second paper feed portion (2), the first pedal assembly (3) is used for carrying out the paper feed portion (3) to the paper feed portion (3), the paper transporting and coloring cavity (32) is provided with a first coloring space (33) and a second coloring space (34), a central roller (35) is arranged between the first coloring space (33) and the second coloring space (34), the first coloring space (33) is arranged on the right side of the paper transporting and coloring cavity (32), a plurality of first coloring cylinders (331) are arranged in the first coloring space (33), each first coloring cylinder is provided with a first coloring roller (332), a second coloring roller (333) and a first rubber roller (334), the first coloring roller (332) is arranged on the top of the second coloring roller (333), the first rubber roller (334) is arranged at the bottom of the second coloring roller (333), the first coloring space (33) is arranged at the upper end and the lower end of the right end of the central roller (35) and is provided with a first guide roller (335), the first coloring space (33) is arranged at the lower end of the right end of the central roller (35) and is provided with a second guide roller (342), the second rubber roller (34) is arranged at the upper end of the second coloring space (33) and the second guide roller (34), the third coloring roller (342) is arranged at the top of the fourth coloring roller (343), the second rubber roller (344) is arranged at the bottom of the fourth coloring roller (343), the upper end and the lower end of the left end of the second coloring space (34) arranged at the central roller (35) are respectively provided with a third guide roller (345), and one side of the third guide roller (345) of the left end of the second coloring space (34) arranged at the central roller (35) is provided with a fourth guide roller (346).
2. The offset printing press with bi-directional paper feed as set forth in claim 1 wherein: the utility model provides a paper feeding device, including first paper feed casing (11), first paper feed guide table (12) set up in the left side of first paper feed casing (11), and the mesa of first paper feed guide table (12) is inclined left along the length direction of first paper feed guide table (12), the right side of first paper feed casing (11) is provided with paper feed mouth (13), the inside of first paper feed casing (11) is provided with first guide roll (14), the bottom of first paper feed casing (11) built-in first guide roll (14) is provided with first tension push rod (15), the bottom of first tension push rod (15) is provided with first tension cylinder (16).
3. The offset printing press with bi-directional paper feed as set forth in claim 2 wherein: the first paper transporting part (4) comprises a first paper transporting shell (41), the first paper transporting shell (41) is provided with a first paper transporting groove (42), the first paper transporting groove (42) is arranged at the joint of the first paper transporting groove (42) and the first paper feeding guide table (12) and is provided with a first guide groove (421), the right end of the first paper transporting groove (42) is provided with a first paper supporting rod (43), the outer peripheral wall of the first paper supporting rod (43) is provided with a plurality of first paper supporting wheels (431), the bottom of the middle part of the first paper supporting rod (43) is provided with a first movable lifting piece (6), the first movable lifting piece (6) is used for driving the first paper supporting rod (43) to move and lift, the left end of the first paper transporting groove (42) is provided with a first paper pressing rod (44), the outer peripheral wall of the first paper supporting rod (44) is provided with a plurality of first paper pressing wheels (441), and the front end of the first paper pressing rod (44) is provided with a first paper pressing motor (45).
4. A bi-directional paper feed offset printing press as set forth in claim 3 wherein: the first lifting part (6) comprises a first lifting cylinder (61), a first lifting claw (62), a first screw rod (63), a first nut (64) and a first driving motor (65), wherein the first lifting cylinder (61) is arranged at the bottom of the middle of the first paper supporting rod (43), the first lifting claw (62) is arranged at the top of the first lifting cylinder (61), the claw of the first lifting claw (62) is clamped with the first paper supporting rod (43), the first screw rod (63) is arranged along the length direction of the first paper conveying groove (42), the right end of the first screw rod (63) is connected with the rotating shaft of the first driving motor (65), the first nut (64) is in threaded connection with the first screw rod (63), the top of the first nut (64) is fixedly connected with the bottom of the first lifting cylinder (61), and the first driving motor (65) is arranged at the right end of the first paper conveying groove (42).
5. The offset printing press with bi-directional paper feed as set forth in claim 1 wherein: the second paper feeding part (2) comprises a second paper feeding shell (21) and a second paper feeding guide table (22), the second paper feeding guide table (22) is arranged on the right side of the second paper feeding shell (21), the table top of the second paper feeding guide table (22) is inclined rightwards along the length direction of the second paper feeding guide table (22), a paper feeding opening (23) is formed in the left side of the second paper feeding shell (21), a second paper guiding roller (24) is arranged in the second paper feeding shell (21), a second tension push rod (25) is arranged at the bottom of the second paper feeding shell (21) and a second tension cylinder (26) is arranged at the bottom of the second tension push rod (25).
6. The offset printing press with bi-directional paper feed as set forth in claim 5 wherein: the second paper transporting part (5) comprises a second paper transporting shell (51), the second paper transporting shell (51) is provided with a second paper transporting groove (52), the second paper transporting groove (52) is arranged at the joint of the second paper transporting groove (52) and a second paper feeding guide table (22) and is provided with a second guide groove (521), the left end of the second paper transporting groove (52) is provided with a second paper supporting rod (53), the outer peripheral wall of the second paper supporting rod (53) is provided with a plurality of second paper supporting wheels (531), the bottom of the middle part of the second paper supporting rod (53) is provided with a second movable lifting piece (7), the second movable lifting piece (7) is used for driving the second paper supporting rod (53) to move and lift, the right end of the second paper transporting groove (52) is provided with a second paper pressing rod (54), the outer peripheral wall of the second paper supporting rod (54) is provided with a plurality of second paper pressing wheels (541), and the front end of the second paper pressing rod (54) is provided with a second paper pressing motor (55).
7. The offset printing press with bi-directional paper feed as set forth in claim 6 wherein: the second removes lifting element (7) including second lift cylinder (71), second lift jack catch (72), second screw rod (73), second nut (74), second driving motor (75), second lift cylinder (71) set up in the bottom at the middle part of second paper holding rod (53), second lift jack catch (72) set up in the top of second lift cylinder (71), and the claw of second lift jack catch (72) with hold in the palm paper rod (53) looks joint, second screw rod (73) set up along the length direction of second fortune paper groove (52), the left end of second screw rod (73) is connected with the pivot of second driving motor (75), second nut (74) and second screw rod (73) threaded connection, and the top of second nut (74) and the bottom fixed connection of second lift cylinder (71), second driving motor (75) set up in the left end of second fortune paper groove (52).
8. A bi-directional paper feed offset printing press as set forth in claim 3 wherein: the first pedal assembly (8) comprises a first channel (81), a first guardrail (82) and a plurality of first observation protection blocks (83), wherein the first channel (81) is arranged at the front end and the rear end of the first paper conveying part (4), the first guardrail (82) is arranged at one side, deviating from the first paper conveying shell (41), of each first channel (81), the first observation protection blocks (83) are arranged at equal intervals along the length direction of the first paper conveying part (4), and each first observation protection block (83) and each adjacent first observation protection block (83) are provided with a first foot pedal (84).
9. The offset printing press with bi-directional paper feed as set forth in claim 6 wherein: the second pedal assembly (9) comprises a second channel (91), a second guardrail (92) and a plurality of second observation protection blocks (93), wherein the second channel (91) is arranged at the front end and the rear end of the second paper conveying part (5), the second guardrail (92) is arranged at one side, deviating from the second paper conveying shell (51), of each second channel (91), the second observation protection blocks (93) are arranged along the equidistant length direction of the second paper conveying part (5), and each second observation protection block (93) are respectively provided with a second foot pedal (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210187439.4A CN114634042B (en) | 2022-02-28 | 2022-02-28 | Offset press with bidirectional paper feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210187439.4A CN114634042B (en) | 2022-02-28 | 2022-02-28 | Offset press with bidirectional paper feeding |
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| Publication Number | Publication Date |
|---|---|
| CN114634042A CN114634042A (en) | 2022-06-17 |
| CN114634042B true CN114634042B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210187439.4A Active CN114634042B (en) | 2022-02-28 | 2022-02-28 | Offset press with bidirectional paper feeding |
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| CN (1) | CN114634042B (en) |
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| JPH08268652A (en) * | 1996-04-22 | 1996-10-15 | Sanyo Electric Co Ltd | Image forming device |
| JPH09188016A (en) * | 1995-11-06 | 1997-07-22 | Fujitsu Ltd | Printer |
| CN1637640A (en) * | 2003-12-22 | 2005-07-13 | 施乐公司 | Substrate deskew system and method |
| CN101546160A (en) * | 2008-03-27 | 2009-09-30 | 夏普株式会社 | Toner supply device, developing unit and toner supply device remanufacturing method |
| CN101875452A (en) * | 2009-04-30 | 2010-11-03 | 佳能株式会社 | Image forming apparatus |
| CN106671586A (en) * | 2016-12-05 | 2017-05-17 | 湖北华丽包装有限公司 | Full-automatic five-color ink printing die cutting machine with atomization and different pre-press wheels |
| CN209177685U (en) * | 2018-11-02 | 2019-07-30 | 浙江凯丰特种纸业有限公司 | A kind of un-derfeed winder tension control structure |
| CN111891788A (en) * | 2020-08-13 | 2020-11-06 | 深圳市君派伟业有限公司 | A push down structure that is arranged in printer to carry out spacing transmission to printing consumptive material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009043118A1 (en) * | 2008-10-17 | 2010-04-22 | Heidelberger Druckmaschinen Ag | Printing machine for printing on both sides of sheets |
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2022
- 2022-02-28 CN CN202210187439.4A patent/CN114634042B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137675A (en) * | 1983-12-27 | 1985-07-22 | Toshiba Corp | Printer |
| JPH09188016A (en) * | 1995-11-06 | 1997-07-22 | Fujitsu Ltd | Printer |
| JPH08268652A (en) * | 1996-04-22 | 1996-10-15 | Sanyo Electric Co Ltd | Image forming device |
| CN1637640A (en) * | 2003-12-22 | 2005-07-13 | 施乐公司 | Substrate deskew system and method |
| CN101546160A (en) * | 2008-03-27 | 2009-09-30 | 夏普株式会社 | Toner supply device, developing unit and toner supply device remanufacturing method |
| CN101875452A (en) * | 2009-04-30 | 2010-11-03 | 佳能株式会社 | Image forming apparatus |
| CN106671586A (en) * | 2016-12-05 | 2017-05-17 | 湖北华丽包装有限公司 | Full-automatic five-color ink printing die cutting machine with atomization and different pre-press wheels |
| CN209177685U (en) * | 2018-11-02 | 2019-07-30 | 浙江凯丰特种纸业有限公司 | A kind of un-derfeed winder tension control structure |
| CN111891788A (en) * | 2020-08-13 | 2020-11-06 | 深圳市君派伟业有限公司 | A push down structure that is arranged in printer to carry out spacing transmission to printing consumptive material |
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| Publication number | Publication date |
|---|---|
| CN114634042A (en) | 2022-06-17 |
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