CN211195274U

CN211195274U - Six-opening single-color offset press for digital printing

Info

Publication number: CN211195274U
Application number: CN201921877854.2U
Authority: CN
Inventors: 王韦
Original assignee: Hebei Hongxing Printing Co ltd
Current assignee: Hebei Hongxing Printing Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-07
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a six-open single-color offset press for digital printing, which relates to the technical field of offset presses, the outer end surfaces of the two sides of the bottoms of a first offset press roller and a second offset press roller are fixedly connected with an ink inlet pipe, the outer surfaces of the first offset press roller and the second offset press roller are fixedly provided with a plurality of ink outlet grooves distributed equidistantly, the geometric center positions of the inner parts of the first offset press roller and the second offset press roller are respectively and correspondingly and fixedly connected with a first driving shaft and a second driving shaft in a penetrating way, the adjacent ends of the first driving shaft and the second driving shaft and the inner side surface of a first bearing frame are respectively and correspondingly and fixedly sleeved with a driven chain wheel and a driving section chain wheel, compared with the offset press in the prior art, the two offset press rollers are designed to rotate in opposite directions when in actual use, on the one hand, the offset press effect of paper can be improved, on the other hand, a certain driving force can be provided for conveying the paper, the offset press is more suitable for printing production of paper.

Description

Six-opening single-color offset press for digital printing

Technical Field

The utility model relates to an offset press technical field specifically is a digital printing is with six division monochromatic offset presses.

Background

Offset printing presses (offset printing presses) are types of lithographic printing presses in which a printed image is printed from a printing plate onto a blanket cylinder and then transferred from the blanket cylinder to a sheet of paper. Offset presses can be divided into sheet-fed offset presses and web-fed offset presses according to different paper feeding modes; the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines; the full-paper printing machine can be divided into a small offset press, a six-opening, four-opening, two-opening and full-paper printing machine according to the maximum paper breadth to be printed, and a double-sided printing machine capable of simultaneously finishing two-sided printing by one-time paper feeding is also arranged. The sheet-fed offset press is a lithographic printing press, is used for printing high-grade commercial printed matters and packaging printed matters, and is the mainstream of modern paper printing.

However, the existing offset printing machine is usually of a flat lying type in actual use, the offset printing machine with the structure has large occupied area and is not practical, and in the actual operation process, the actual offset printing effect is not ideal because only one rubber blanket cylinder is arranged, so that the six-open single-color offset printing machine for digital printing is provided by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a six division single color offset press is used in digital printing has solved present offset press, and in the time of in-service use, flat formula of lying usually, the offset press of this kind of structure, area is big, and is impracticable moreover, at actual operation's in-process, owing to only be provided with a blanket cylinder for actual offset printing effect is unsatisfactory problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a six-division single-color offset press for digital printing comprises a first bearing frame and a second bearing frame which are fixedly borne on the ground, wherein two supporting joint rods are symmetrically and fixedly connected between the adjacent surfaces of the tops of the first bearing frame and the second bearing frame, the rear end surfaces of the tops of the first bearing frame and the second bearing frame are jointly and fixedly provided with a paper feeding groove, the outer end surface of the top of the second bearing frame is fixedly provided with an ink storage box, the bottom positions of the front sides of the first bearing frame and the second bearing frame are jointly welded and fixed with a bearing support, the top end surface of the bearing support is fixedly welded and provided with a rubbing plate, the upper surface of the rubbing plate is fixedly provided with a paper collecting frame, and an offset printing mechanism is fixedly arranged between the adjacent surfaces of the tops of the first bearing frame and the second bearing frame and below the two supporting joint rods, the rubbing plate is fixedly installed between the feeding end of the rubbing plate and the discharging end of the offset printing mechanism, a driving mechanism is fixedly installed between the bottoms of the first bearing frame and the second bearing frame and below the bearing support, and a chain tightness adjusting chain wheel is fixedly installed in the middle of the interior of the first bearing frame.

Preferably, actuating mechanism includes the fastening support of fixed mounting on the inside bottom of first bearing frame, the symmetrical formula fixed mounting of top terminal surface of fastening support has two bearing frames, the inside rotary type of two bearing frames runs through and is provided with a transmission shaft, the fixed cover of one end of transmission shaft has connect from the driven pulleys, and the fixed cover of the other end of transmission shaft has connect the linking sprocket.

Preferably, the driving mechanism further comprises a servo motor fixedly mounted on the ground support, a driving belt wheel is fixedly sleeved on a driving end of the servo motor, the driving belt wheel and the driven belt wheel are located on the same straight line, a belt is sleeved outside the driving belt wheel and the driven belt wheel together, and the transmission ratio of the driven belt wheel to the driving belt wheel is 1: 1.

Preferably, the offset printing mechanism comprises a first offset printing roller and a second offset printing roller which are respectively and fixedly arranged between the inner sides of the tops of the first bearing frame and the second bearing frame, the outer end faces of the two sides of the bottoms of the first offset printing roller and the second offset printing roller are fixedly connected with an ink inlet pipe, and a plurality of ink outlet grooves distributed at equal intervals are fixedly formed in the outer surfaces of the first offset printing roller and the second offset printing roller.

Preferably, the geometric center positions inside the first offset printing roller and the second offset printing roller are respectively and correspondingly fixedly connected with a first driving shaft and a second driving shaft in a penetrating manner, one ends of the first driving shaft and the second driving shaft, which are adjacent to the inner side surface of the first bearing frame, are respectively and correspondingly and fixedly sleeved with a driven chain wheel and a driving first section chain wheel, one side end part of the second driving shaft, which is positioned at the outer side position of the driving first section chain wheel, is fixedly sleeved with a driving second section chain wheel, the driven chain wheel is meshed with the driving first section chain wheel, and the radius ratio of the driven chain wheel to the driving first section chain wheel is 1: 2.

Preferably, the first driving shaft and the second driving shaft respectively correspond to and form a rotatable fixed connection structure with the inner side walls of the first bearing frame and the second bearing frame through shaft sleeves.

Preferably, a chain is sleeved among the final output end of the driving mechanism, the chain tightness adjusting chain wheel and the initial input end of the offset printing mechanism.

Preferably, the connection plate is made of glass and has a cambered plate structure with a radian of 90 degrees.

Advantageous effects

The utility model provides a six-open single-color offset press for digital printing. Compared with the prior art, the method has the following beneficial effects:

1. this digital printing is with six division monochromatic offset presses, through being provided with offset press mechanism, this offset press mechanism includes first offset press roller and second offset press roller, the equal fixedly connected with printing ink of outside terminal surface of first offset press roller and second offset press roller bottom both sides advances the pipe, the printing ink that a plurality of equidistance distributes is all fixed to be seted up to first offset press roller and the surface of second offset press roller goes out the groove, offset press more sets up an offset press roller than among the prior art, and these two offset press rollers are when the actual use, the design is in opposite directions rotation, can improve the offset printing effect of paper like this on the one hand, on the other hand still can provide certain drive power for the transport of paper, let offset press be applicable to the printing production of paper more.

2. This six division single color offset press for digital printing changes the offset press that current flat formula of lying used into the vertical form of placing, and this vertical offset press of placing compares in the flat formula of lying, and area of saving self more has reduced the use cost in workshop, has improved offset press's practicality, structure scientific and reasonable, convenience safe in utilization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the driving mechanism of the present invention;

fig. 3 is a schematic structural view of the offset printing mechanism of the present invention.

In the figure: 1. a first carrying frame; 2. a second carrying frame; 3. supporting the connecting rod; 4. a paper feeding groove; 5. an ink storage tank; 6. a load bearing support; 7. a position expanding plate; 8. a paper collection frame; 9. a connector tile; 10. a chain tightness adjusting sprocket; 11. a drive mechanism; 111. fastening a bracket; 112. a servo motor; 113. a driving pulley; 114. a bearing seat; 115. a drive shaft; 116. a driven pulley; 117. a belt; 118. connecting the chain wheels; 12. an offset printing mechanism; 121. a first offset printing roller; 122. a second offset printing roller; 123. an ink inlet pipe; 124. discharging the printing ink from the tank; 125. a shaft sleeve; 126. a first drive shaft; 127. a second drive shaft; 128. a drive-section sprocket; 129. a drive two-section sprocket; 1210. a driven sprocket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a six-division single-color offset press for digital printing comprises a first bearing frame 1 and a second bearing frame 2 which are fixedly borne on the ground, two supporting connecting rods 3 are symmetrically and fixedly connected between the adjacent surfaces of the tops of the first bearing frame 1 and the second bearing frame 2, a paper feeding groove 4 is fixedly installed on the rear end faces of the tops of the first bearing frame 1 and the second bearing frame 2 together, an ink storage box 5 is fixedly installed on the outer end face of the top of the second bearing frame 2, a bearing support 6 is fixedly welded at the bottom positions of the front sides of the first bearing frame 1 and the second bearing frame 2 together, an extension plate 7 is fixedly welded on the top end face of the bearing support 6, a paper collecting frame 8 is fixedly installed on the upper surface of the extension plate 7, an offset printing mechanism 12 is fixedly installed between the adjacent surfaces of the tops of the first bearing frame 1 and the second bearing frame 2 and below the two supporting connecting rods 3, a connecting plate 9 is fixedly installed between the feeding end of the rubbing plate 7 and the discharging end of the offset printing mechanism 12, the connecting plate 9 is made of glass, and has a cambered surface plate structure with a radian of 90 degrees, a driving mechanism 11 is fixedly installed at the lower position between the bottoms of the first bearing frame 1 and the second bearing frame 2 and below the bearing support 6, a chain tightness adjusting chain wheel 10 is fixedly installed at the middle position inside the first bearing frame 1, the final output end of the driving mechanism 11, the chain tightness adjusting chain wheel 10 and the initial input end of the offset printing mechanism 12 are jointly sleeved with a chain.

Referring to fig. 2, the driving mechanism 11 includes a fastening bracket 111 fixedly mounted on the bottom end inside the first bearing frame 1, two bearing seats 114 are symmetrically and fixedly mounted on the top end surface of the fastening bracket 111, a transmission shaft 115 is rotatably disposed inside the two bearing seats 114, a driven pulley 116 is fixedly sleeved on one end of the transmission shaft 115, a connecting sprocket 118 is fixedly sleeved on the other end of the transmission shaft 115, the driving mechanism 11 further includes a servo motor 112 fixedly mounted on the ground bracket, a driving pulley 113 is fixedly sleeved on a driving end of the servo motor 112, the driving pulley 113 and the driven pulley 116 are located on the same straight line, a belt 117 is sleeved on the outer portions of the driving pulley 113 and the driven pulley 116, and a transmission ratio of the driven pulley 116 and the driving pulley 113 is 1: 1.

Referring to fig. 3, the offset printing mechanism 12 includes a first offset printing roller 121 and a second offset printing roller 122 respectively and fixedly disposed between the inner sides of the tops of the first carrying frame 1 and the second carrying frame 2, the outer end surfaces of the two sides of the bottoms of the first offset printing roller 121 and the second offset printing roller 122 are respectively and fixedly connected with an ink inlet pipe 123, the outer surfaces of the first offset printing roller 121 and the second offset printing roller 122 are respectively and fixedly provided with a plurality of ink outlet grooves 124 distributed at equal intervals, the geometric center positions inside the first offset printing roller 121 and the second offset printing roller 122 are respectively and fixedly connected with a first driving shaft 126 and a second driving shaft 127 in a penetrating manner, the ends of the first driving shaft 126 and the second driving shaft 127 adjacent to the inner side of the first carrying frame 1 are respectively and fixedly secured with a driven sprocket 1210 and a driving first section sprocket 128, the end portion of the second driving shaft 127 and the outer side position of the driving first section sprocket 128 are fixedly secured with a driving section sprocket 129, the driven sprocket 1210 is engaged with the driving first-segment sprocket 128, the radius ratio of the driven sprocket 1210 to the driving first-segment sprocket 128 is 1:2, and the first driving shaft 126 and the second driving shaft 127 respectively correspond to the inner side walls of the first carrying frame 1 and the second carrying frame 2 and form a rotatable fixed connection structure through the shaft sleeve 125.

When in use, firstly, paper to be offset printed is required to be placed inside the paper feeding slot 4, then the servo motor 112 is started, the servo motor 112 directly drives the driving pulley 113 to rotate, under the power transmission action of the belt 117, the driving pulley 113 directly drives the driven pulley 116 to rotate, and further indirectly drives the transmission shaft 115 to rotate, the transmission shaft 115 directly drives the connecting sprocket 118 to rotate, because the connecting sprocket 118, the driving two-section sprocket 129 and the chain tightness adjusting sprocket 10 are sleeved with a chain together, therefore, the connecting sprocket 118 indirectly drives the driving two-section sprocket 129 to rotate, further the driving two-section sprocket 129 directly drives the second driving shaft 127 to rotate, the second driving shaft 127 drives the second offset printing roller 122 to rotate, and simultaneously drives the driving one-section sprocket 128 to rotate, so that the driving one-section sprocket 128 drives the driven sprocket 1210 to rotate, finally, the first offset printing roller 121 can be driven to rotate, at the moment, paper to be offset printed enters between the first offset printing roller 121 and the second offset printing roller 122 to be offset printed, the offset printing processing of the paper is carried out, the offset printed paper enters the paper collecting frame 8 through the connecting plate 9, the whole offset printing process is completed, the structure is scientific and reasonable, and the use is safe and convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a six division of monochromatic offset presses for digital printing, includes fixed first bearing frame (1) and the second bearing frame (2) of bearing on ground, its characterized in that: two supporting connecting rods (3) are symmetrically and fixedly connected between adjacent surfaces of the tops of the first bearing frame (1) and the second bearing frame (2), a paper feeding groove (4) is fixedly mounted on the rear end faces of the tops of the first bearing frame (1) and the second bearing frame (2) together, an ink storage box (5) is fixedly mounted on the outer end face of the top of the second bearing frame (2), a bearing support (6) is fixedly welded at the bottom positions of the front sides of the first bearing frame (1) and the second bearing frame (2) together, a rubbing plate (7) is fixedly welded on the top end face of the bearing support (6), a paper collecting frame (8) is fixedly mounted on the upper surface of the rubbing plate (7), and an offset printing mechanism (12) is fixedly mounted between the adjacent surfaces of the tops of the first bearing frame (1) and the second bearing frame (2) and positioned below the two supporting connecting rods (3), fixedly mounted between the feed end of rubbing board (7) and the discharge end of offset printing mechanism (12) has linkage board (9), between the bottom of first bearing frame (1) and second bearing frame (2) and be located the below position department fixed mounting who bears support (6) have actuating mechanism (11), the inside intermediate position fixed mounting of first bearing frame (1) has chain elasticity adjusting sprocket (10).

2. A six-division monochrome offset printing press for digital printing according to claim 1 wherein: actuating mechanism (11) are including fastening support (111) of fixed mounting on first bearing frame (1) inside bottom, the top end face symmetry formula fixed mounting of fastening support (111) has two bearing frames (114), the inside rotary type of two bearing frames (114) is run through and is provided with a transmission shaft (115), the fixed cover of one end of transmission shaft (115) has connect from the driven pulleys (116), and the fixed cover of the other end of transmission shaft (115) has connect linking sprocket (118).

3. A six-division monochrome offset press for digital printing according to claim 2, wherein: the driving mechanism (11) further comprises a servo motor (112) fixedly mounted on the ground support, a driving pulley (113) is fixedly sleeved on a driving end of the servo motor (112), the driving pulley (113) and a driven pulley (116) are located on the same straight line, a belt (117) is sleeved outside the driving pulley (113) and the driven pulley (116) together, and the transmission ratio of the driven pulley (116) to the driving pulley (113) is 1: 1.

4. A six-division monochrome offset printing press for digital printing according to claim 1 wherein: offset printing mechanism (12) including fixed first offset printing roller (121) and the second offset printing roller (122) that set up respectively between first bearing frame (1) and second bearing frame (2) top inboard, the equal fixedly connected with printing ink of the outside terminal surface of first offset printing roller (121) and second offset printing roller (122) bottom both sides advances pipe (123), the outer surface of first offset printing roller (121) and second offset printing roller (122) is all fixed sets up a plurality of equidistance distribution's printing ink and goes out groove (124).

5. A six-division monochrome offset press for digital printing according to claim 4 wherein: the geometric center positions inside the first offset printing roller (121) and the second offset printing roller (122) are respectively and correspondingly fixedly connected with a first driving shaft (126) and a second driving shaft (127) in a penetrating mode, one ends of the first driving shaft (126) and the second driving shaft (127) adjacent to the inner side surface of the first bearing frame (1) are respectively and correspondingly fixedly sleeved with a driven chain wheel (1210) and a driving first section chain wheel (128), one side end part of the second driving shaft (127) is positioned at the outer side position of the driving first section chain wheel (128) and is fixedly sleeved with a driving second section chain wheel (129), the driven chain wheel (1210) is meshed with the driving first section chain wheel (128), and the radius ratio of the driven chain wheel (1210) to the driving first section chain wheel (128) is 1: 2.

6. A six-division monochrome offset press for digital printing according to claim 5, wherein: the first driving shaft (126) and the second driving shaft (127) respectively correspond to the inner side walls of the first bearing frame (1) and the second bearing frame (2), and a rotatable fixed connection structure is formed between the inner side walls of the first bearing frame and the second bearing frame through shaft sleeves (125).

7. A six-division monochrome offset printing press for digital printing according to claim 1 wherein: the final output end of the driving mechanism (11), the chain tightness adjusting chain wheel (10) and the initial input end of the offset printing mechanism (12) are sleeved with a chain.

8. A six-division monochrome offset printing press for digital printing according to claim 1 wherein: the connecting plate (9) is made of glass and is of an arc plate structure with a radian of 90 degrees.