CN211470251U

CN211470251U - Paper reversing structure

Info

Publication number: CN211470251U
Application number: CN201922133153.4U
Authority: CN
Inventors: 率伟选; 李金文; 李鸿恩
Original assignee: Henan Daily Newspaper Group Dahe Printing Co ltd
Current assignee: Henan Daily Newspaper Group Dahe Printing Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-11
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a paper switching-over structure, it includes the frame, still be provided with in the frame and turn to the device, turn to the device and include the transfer roller, turn to roller and transportation roller, the transfer roller, turn to roller and transportation roller set gradually along the direction of transfer of paper to the transfer roller level sets up, turns to the roller level and with the transportation roller between be 45 degrees, the transportation roller level just sets up perpendicularly with the transfer roller. The utility model discloses have the output direction who changes the paper, make things convenient for the effect that the paper carried downwards.

Description

Paper reversing structure

Technical Field

The utility model belongs to the technical field of a lithography apparatus's technique and specifically relates to a paper switching-over structure is related to.

Background

The printing process is composed of plate loading, inking, stamping and paper conveying mechanisms. The working principle is as follows: firstly, making characters and images to be printed into a printing plate, installing the printing plate on a printing machine, then manually or indirectly coating ink on the position, on which the characters and the images are arranged, of the printing plate, and then directly or indirectly transferring the ink onto paper or other printing stocks, thereby copying printed matters identical to the printing plate; in the paper feeding mechanism, the paper needs to be folded into corresponding sizes, for example, the paper sizes of books are different, and the difference of the paper sizes is generally completed by the paper feeding mechanism through different times of folding.

The patent document with the publication number of CN208308049U discloses a newspaper cutting and folding device, which comprises a frame and a printing device, wherein the frame is provided with a folding device, after the printing of the paper by the printing device is completed, the paper enters the folding device, the folding device comprises a folding frame, two mutually parallel and horizontally arranged transportation rollers, a folding roller and a roller fixing frame, the two transportation rollers relatively clamp the paper, so that the paper is folded into two layers in the conveying process.

However, in the above configuration, when the sheet that is not required to be folded is conveyed downward, the sheet is perpendicular to the base sheet, and thus the sheet cannot be conveyed downward.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper switching-over structure, it has the output direction who changes the paper, makes things convenient for the effect that the paper carried downwards.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a paper switching-over structure, includes the frame, still be provided with in the frame and turn to the device, turn to the device and include the transfer roller, turn to roller and transportation roller, the transfer roller, turn to roller and transportation roller set gradually along the direction of transfer of paper to the transfer roller level sets up, turns to the roller level and is 45 degrees between the roller and the transportation roller, the transportation roller level just sets up perpendicularly with the transfer roller.

Through adopting above-mentioned technical scheme, during the use, set up in the frame and turn to the device, the paper conveys along the direction of transfer roller, turn to roller and transportation roller, because turn to the roller level and with be 45 degrees between the transportation roller, set up perpendicularly between transportation roller and the transfer roller to the paper that can make transportation roller department and the direction of the paper of transfer roller department change, it is more convenient when carrying the paper downwards.

The utility model discloses further set up to: the steering roller is fixed on the frame, is of a hollow structure, is provided with a plurality of air holes on the side wall of the steering roller, and is connected with an air pump which is communicated with the air holes through the steering roller.

Through adopting above-mentioned technical scheme, the turning roll is hollow structure to the air pump is connected with the turning roll, and the gas of air pump flows out from the gas pocket, thereby when the paper was in gas pocket, can reduce the paper and turn to the frictional force between the roll.

The utility model discloses further set up to: the air holes are uniformly distributed on the surface of the paper sheet contacting the turning roll.

Through adopting above-mentioned technical scheme, when distributing the gas pocket on paper and turning to the surface that the roller contacted, can save the gas that the air pump flowed in to the gas pocket to improve the atmospheric pressure of gas between paper and turning to the roller, further reduce the frictional force between paper and the turning to the roller.

The utility model discloses further set up to: the one end of turning to the roller is provided with the sliding seat, the fixed slide rail that is provided with in the frame, sliding seat sliding fit is on the slide rail, be provided with the mounting on the sliding seat, the length direction level of slide rail and the direction of perpendicular to transportation roller.

Through adopting above-mentioned technical scheme, sliding seat sliding fit is on the slide rail, and the mounting is used for fixing the sliding seat on the slide rail to can make the sliding seat adjust the back along the slide rail, the rethread mounting is fixed, can make the sliding seat take the steering roll to carry out position control.

The utility model discloses further set up to: the cross section of slide rail is the T font, the mounting includes screw rod portion and hand wheel, the vertical setting of screw rod portion, and the upper end at screw rod portion is installed to the hand wheel, and screw rod portion threaded connection is on the sliding seat to the one end that the hand wheel was kept away from to screw rod portion is used for the butt on the slide rail.

Through adopting above-mentioned technical scheme, the cross section of slide rail sets up to the T shape, and screw rod portion threaded connection is on the sliding seat, and the staff rotates the hand wheel, can make screw rod portion rotate to the tip butt of screw rod portion makes the sliding seat fix on the slide rail on the lateral wall of slide rail.

The utility model discloses further set up to: the paper conveying device is characterized in that a support is arranged on the rack, a connecting rod is arranged on the support, one end of the connecting rod is rotatably connected to the support, two ends of the conveying roller are respectively provided with one connecting rod, a tension spring is arranged on the connecting rod, one end of the tension spring is fixed to the connecting rod, the other end of the tension spring is fixed to the support, and the acting force direction of the tension spring is used for tensioning paper.

By adopting the technical scheme, the connecting rod is connected with the tension spring, one end of the tension spring is fixed on the connecting rod, the other end of the tension spring is fixed on the support, and the acting force of the tension spring drives the connecting rod to rotate, so that the tension spring tensions paper in the process of conveying.

The utility model discloses further set up to: the conveying rollers are arranged in parallel, and the paper is clamped between the two conveying rollers.

Through adopting above-mentioned technical scheme, the transportation roller has two, and two transportation rollers are used for pressing from both sides the paper, prevent that the paper from deviating from the transportation roller.

The utility model discloses further set up to: the transfer roller has a plurality ofly, and a plurality of transfer rollers are vertical parallel to be arranged, wherein be used for pressing from both sides the paper between two transfer rollers of the below and equal with the height of steering roller.

Through adopting above-mentioned technical scheme, the transfer roller has a plurality ofly and vertical direction distribution, and the position height of position and the turn roll between two transfer rollers of the below equals, but messenger's paper horizontal transport turn roll.

To sum up, the utility model discloses a beneficial technological effect does:

1. the paper is conveyed along the directions of the conveying roller, the steering roller and the conveying roller by arranging the steering device on the rack, and the steering roller is horizontal and forms an angle of 45 degrees with the conveying roller and is vertically arranged between the conveying roller and the conveying roller, so that the directions of the paper at the conveying roller and the paper at the conveying roller can be changed, and the paper is conveniently conveyed downwards;

2. when the air holes are distributed on the surface of the paper contacted with the steering roller, the air flowing into the air holes by the air pump can be saved, the air pressure of the air between the paper and the steering roller is improved, and the friction force between the paper and the steering roller is reduced;

3. the tension spring is connected to the connecting rod, one end of the tension spring is fixed to the connecting rod, the other end of the tension spring is fixed to the support, the connecting rod is driven to rotate by the acting force of the tension spring, and therefore the tension spring can tension paper in the process of conveying.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the steering roller;

fig. 3 is a schematic view of the installation structure of the transport roller.

In the figure, 1, a frame; 2. an output roller; 3. a steering device; 31. a conveying roller; 32. a turning roll; 321. air holes; 33. a transport roller; 4. a sliding seat; 41. a T-shaped slot; 5. an air pump; 6. a slide rail; 7. a fixing member; 71. a screw section; 72. a hand wheel; 81. a connecting rod; 82. a support; 83. a tension spring; 9. paper.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a paper switching-over structure, which comprises a frame 1, the upper portion of frame 1 is provided with a plurality of delivery rollers 2, delivery roller 2 is used for outputting the paper 9 after the printing, be provided with on frame 1 and turn to device 3, it includes transfer roller 31 to turn to device 3, turn to roller 32 and transportation roller 33, transfer roller 31 has a plurality ofly, transfer roller 31 level and be on a parallel with delivery roller 2, and set up relatively with delivery roller 2, a plurality of transfer rollers 31 rotate and connect in frame 1, and a plurality of transfer rollers 31 are vertical arranges, paper 9 passes between two transfer rollers 31 of below from. The deflecting roller 32 is horizontally arranged, the axis of the deflecting roller 32 and the axis of the conveying roller 31 form an angle of 45 degrees, the height of the deflecting roller 32 is equal to the height of the middle position of the two lowermost conveying rollers 31, and the paper 9 horizontally extends towards the deflecting roller 32. After the paper 9 is wound on the side wall of the turning roller 32 for half circle and then passes through the conveying roller 33, the conveying roller 33 is horizontally arranged, and the axis of the conveying roller 33 is perpendicular to the axis of the conveying roller 31, so that after the paper 9 sequentially passes through the conveying roller 31, the turning roller 32 and the conveying roller 33, the surfaces of the paper 9 are perpendicular to each other, and the direction of the downward conveying of the paper 9 is parallel to the conveying direction of the folded paper 9.

Referring to fig. 2, the turning roller 32 is a hollow cylinder structure, a sliding seat 4 is arranged at one end of the turning roller 32, the turning roller 32 is fixed on the sliding seat 4, a plurality of air holes 321 are formed in the side wall of the turning roller 32, the air holes 321 are uniformly distributed on the surface of the paper 9 contacting with the turning roller 32, an air pump 5 is connected to the turning roller 32, the air outlet end of the air pump 5 is communicated with the inside of the turning roller 32, so that the air pump 5 can blow air to the positions of the air holes 321 when in operation, and when the paper 9 is wound on the turning roller 32, the air flowing out of the air holes 321 can float the paper 9 on the turning roller 32, thereby reducing the friction force between the paper 9 and the turning roller 32. The rack 1 is fixedly provided with a slide rail 6, the cross section of the slide rail 6 is T-shaped, the length direction of the slide rail 6 is horizontal and vertical to the axis of the transport wheel, the slide seat 4 is provided with a T-shaped groove 41, and the slide seat 4 is in sliding fit on the slide rail 6 through the T-shaped groove 41, so that the slide seat 4 can slide along the length direction of the slide rail 6, the position of the steering roller 32 is adjusted, and the paper 9 enters the middle position of the transport roller 33. The fixing piece 7 is arranged on the sliding seat 4, the fixing piece 7 comprises a screw rod portion 71 and a hand wheel 72, the screw rod portion 71 is vertically arranged, the lower end of the screw rod portion 71 penetrates through the sliding seat 4, the lower end of the screw rod portion 71 abuts against the sliding rail 6, the screw rod portion 71 is in threaded connection with the sliding seat 4, and the upper end of the screw rod portion 71 is fixedly connected with the hand wheel 72, so that a worker can conveniently rotate the screw rod portion 71 to enable the sliding seat 4 to be locked or loosen the sliding rail 6.

Referring to fig. 3, there are two transport rollers 33, the two transport rollers 33 are arranged in parallel, a connecting rod 81 is respectively arranged at two ends of the transport rollers 33, the two transport rollers 33 are rotatably connected to the connecting rod 81, a support 82 is arranged on the frame 1, one end of the connecting rod 81 is rotatably connected to the support 82, and the rotation axis of the connecting rod 81 and the support 82 coincides with the axis of one of the transport rollers 33. The sheet 9 passes through the middle of the two transport rollers 33, so that the two transport rollers 33 nip the sheet 9. A tension spring 83 is connected to the link 81, one end of the tension spring 83 is fixed to the support 82, the other end is fixed to the link 81, and the paper 9 is tensioned by the force of the tension spring 83, so that the paper 9 is conveyed relatively straight.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A paper reversing structure comprises a frame (1), and is characterized in that: still be provided with on frame (1) and turn to device (3), turn to device (3) including transfer roller (31), turn to roller (32) and transportation roller (33), transfer roller (31), turn to roller (32) and transportation roller (33) set gradually along the direction of transfer of paper (9) to transfer roller (31) level sets up, turns to roller (32) level and is 45 degrees between transportation roller (33), transportation roller (33) level just sets up perpendicularly with transfer roller (31).

2. A sheet reversing structure according to claim 1, characterized in that: turn to roller (32) and fix in frame (1), turn to roller (32) and be hollow structure, a plurality of gas pockets (321) have been seted up on the lateral wall of turning to roller (32), turn to roller (32) and be connected with air pump (5), air pump (5) are through turning to roller (32) and gas pocket (321) intercommunication.

3. A sheet reversing structure according to claim 2, characterized in that: the air holes (321) are uniformly distributed on the surface of the paper (9) contacting the steering roller (32).

4. A sheet reversing structure according to claim 1, characterized in that: one end of the steering roller (32) is provided with a sliding seat (4), a sliding rail (6) is fixedly arranged on the rack (1), the sliding seat (4) is in sliding fit with the sliding rail (6), a fixing part (7) is arranged on the sliding seat (4), and the length direction of the sliding rail (6) is horizontal and perpendicular to the direction of the conveying roller (33).

5. A sheet reversing structure according to claim 4, wherein: the cross section of slide rail (6) is the T font, mounting (7) include screw rod portion (71) and hand wheel (72), and the vertical setting of screw rod portion (71), the upper end at screw rod portion (71) is installed in hand wheel (72), screw rod portion (71) threaded connection is on sliding seat (4) to the one end that hand wheel (72) were kept away from in screw rod portion (71) is used for the butt on slide rail (6).

6. A sheet reversing structure according to claim 1, characterized in that: be provided with support (82) on frame (1), be provided with connecting rod (81) on support (82), the one end of connecting rod (81) is rotated and is connected on support (82), and the both ends of transportation roller (33) are provided with one respectively connecting rod (81), be provided with extension spring (83) on connecting rod (81), the one end of extension spring (83) is fixed on connecting rod (81), and the other end is fixed on support (82), and the effort direction of extension spring (83) is used for tensioning paper (9).

7. A sheet reversing structure according to claim 6, wherein: the number of the conveying rollers (33) is two, the two conveying rollers (33) are arranged in parallel, and the two conveying rollers (33) are used for clamping the paper (9).

8. A sheet reversing structure according to claim 1, characterized in that: the conveying rollers (31) are multiple, the conveying rollers (31) are vertically arranged in parallel, and the two conveying rollers (31) at the lowest position are used for clamping the paper (9) and are equal to the steering rollers (32) in height.