阅读说明：本技术 一种用于宽幅印刷机的走纸装置 (Paper feeding device for wide-width printing machine ) 是由 许文荣 于 2021-01-08 设计创作，主要内容包括：本发明公开了一种用于宽幅印刷机的走纸装置,包括装置壳体,所述装置壳体一侧中部通过转轴活动设置有缠绕滚筒,所述缠绕滚筒外侧表面缠绕设置有纸张,所述装置壳体外侧表面通过转轴均匀固定设置有若干第一转动盘,若干所述第一转动盘远离装置壳体的一侧设置有第二转动盘,所述第二转动盘之间固定设置有传输滚筒,所述纸张缠绕设置在传输滚筒外侧表面,所述第一转动盘与第二转动盘内部设置有卡合结构,所述卡合机构包括卡槽、卡杆、第一挤压块、螺杆、滑杆、第二挤压块,所述第二转动盘表面远离传输滚筒的一侧开设有若干卡槽。本发明使用效果好,可以便于快速拆卸更换安装传输滚筒。(The invention discloses a paper feeding device for a wide-width printing machine, which comprises a device shell, wherein a winding roller is movably arranged in the middle of one side of the device shell through a rotating shaft, paper is wound on the outer side surface of the winding roller, a plurality of first rotating disks are uniformly and fixedly arranged on the outer side surface of the device shell through the rotating shaft, a second rotating disk is arranged on one side, away from the device shell, of the plurality of first rotating disks, a transmission roller is fixedly arranged between the second rotating disks, the paper is wound on the outer side surface of the transmission roller, clamping structures are arranged in the first rotating disks and the second rotating disks, each clamping mechanism comprises a clamping groove, a clamping rod, a first extrusion block, a screw rod, a sliding rod and a second extrusion block, and a plurality of clamping grooves are formed in one side, away from the transmission roller, of. The invention has good use effect and can be convenient for rapidly disassembling, replacing and installing the transmission roller.)

1. A paper advance device for a wide format printing press, comprising a device housing (1), characterized in that: the paper feeding device is characterized in that a winding roller (2) is movably arranged in the middle of one side of a device shell (1) through a rotating shaft, paper (3) is wound on the outer side surface of the winding roller (2), a plurality of first rotating disks (4) are uniformly and fixedly arranged on the outer side surface of the device shell (1) through the rotating shaft, a second rotating disk (5) is arranged on one side, away from the device shell (1), of the first rotating disks (4), a transmission roller (6) is fixedly arranged between the second rotating disks (5), the paper (3) is wound on the outer side surface of the transmission roller (6), clamping structures are arranged inside the first rotating disks (4) and the second rotating disks (5), each clamping mechanism comprises a clamping groove (7), a clamping rod (8), a first extrusion block (9), a screw rod (10), a sliding rod (11) and a second extrusion block (12), a plurality of clamping grooves (7) are formed in one side, away from the transmission roller (6), of the, a plurality of clamping rods (8) are movably inserted and arranged at one side of the first rotating disc (4) close to the clamping grooves (7), one end of the clamping rod (8) close to the clamping groove (7) is movably clamped and arranged in the clamping groove (7), a first extrusion block (9) is fixedly arranged at one end of the clamping rod (8) far away from the clamping groove (7), a screw rod (10) is movably arranged in the middle of the inner part of the first rotating disc (4) through a bearing, a sliding rod (11) is fixedly arranged inside the first rotating disc (4) at one side of the screw (10), the upper end and the lower end of the outer side surface of the slide bar (11) are movably sleeved with second extrusion blocks (12), one side of the second extrusion block (12) close to the screw rod (10) is movably sleeved on the outer side surface of the screw rod (10) through threads, the outer side surfaces of the first extrusion block (9) and the second extrusion block (12) are mutually attached.

2. A sheet feeding device for a wide format printing press according to claim 1, wherein: the surface of the clamping rod (8) is sleeved with a spring (13) between the first extrusion block (9) and the inner side wall of the first rotating disc (4).

3. A sheet feeding device for a wide format printing press according to claim 1, wherein: and screwing blocks (14) are fixedly arranged at the upper end and the lower end of the screw rod (10).

4. A sheet feeding device for a wide format printing press according to claim 1, wherein: the threads on the two sides of the surface of the screw rod (10) are opposite.

5. A sheet feeding device for a wide format printing press according to claim 1, wherein: and a belt pulley (15) is fixedly arranged at one end of the rotating shaft where the first rotating disc (4) is located.

Technical Field

The invention relates to the technical field of printing machines, in particular to a paper feeding device for a wide-width printing machine.

Background

A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.

The transmission cylinder that present use's printing machine transported paper used often all fixes through a large amount of screws and flange dish, so often need dismantle and install a large amount of screws when needing to change the transmission cylinder, and it is comparatively troublesome to use.

Disclosure of Invention

The present invention is directed to a paper feeding device for a wide format printing press to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a paper feeding device for a wide-width printing machine comprises a device shell, wherein a winding roller is movably arranged in the middle of one side of the device shell through a rotating shaft, paper is wound on the outer side surface of the winding roller, a plurality of first rotating disks are uniformly and fixedly arranged on the outer side surface of the device shell through the rotating shaft, a second rotating disk is arranged on one side, away from the device shell, of the first rotating disks, a transmission roller is fixedly arranged between the second rotating disks, the paper is wound on the outer side surface of the transmission roller, clamping structures are arranged in the first rotating disks and the second rotating disks, each clamping mechanism comprises a clamping groove, a clamping rod, a first extrusion block, a screw rod, a sliding rod and a second extrusion block, a plurality of clamping grooves are formed in one side, away from the transmission roller, of the surface of the second rotating disk, and a plurality of clamping rods are movably inserted into one, the utility model discloses a clamping bar, including clamping bar, first rotation disc, slide bar outside, screw rod, first extrusion piece, screw rod, first extrusion piece, clamping bar.

Preferably, the spring is sleeved on the surface of the clamping rod between the first extrusion block and the inner side wall of the first rotating disc, and the clamping rod can be pushed to be pulled out of the clamping groove through the spring.

Preferably, the upper end and the lower end of the screw rod are both fixedly provided with screwing blocks, the screw rod can be conveniently rotated through the screwing blocks, and the two screwing blocks can play a role in balancing weight.

Preferably, the screw threads on the two sides of the surface of the screw rod are opposite, and the screw rod with the opposite threads can drive the second extrusion block to move along the slide rod in the opposite direction when rotating.

Preferably, a belt pulley is fixedly arranged at one end of the rotating shaft where the first rotating disc is located, and the transmission roller can be conveniently driven to rotate through the belt pulley.

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used for a long time and different transmission rollers need to be replaced, the screwing block is screwed by a tool, then the screw rod is screwed to be driven, the screw rod rotates, due to the fact that threads on two sides of the surface of the screw rod are opposite, the second extrusion block on the upper end can be driven to move downwards along the slide rod, the second extrusion block on the lower end is driven to move upwards along the slide rod, the first extrusion block does not extrude the second extrusion block any longer, the first extrusion block can move leftwards under the action of the spring, the clamping rod can be driven to be pulled out of the clamping groove, and therefore the second rotating disc and the transmission rollers can be disassembled conveniently and quickly.

2. When a new transmission roller is installed, the clamping groove on the surface of the second rotating disc and the clamping rod in the first rotating disc are aligned, then the first extrusion block can be driven to extrude the second extrusion block by screwing the block reverse screw rod, so that the second extrusion block pushes the clamping rod to move rightwards, the clamping rod can be clamped in the clamping groove, and the installation can be finished.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a paper feeding device for a wide-format printing machine according to the present invention;

FIG. 2 is an installation view of a transfer cylinder of a sheet feeding device for a wide format printing press according to the present invention;

fig. 3 is an internal structural view of a first rotary plate and a second rotary plate of a paper feeding device for a wide format printing machine according to the present invention.

In the figure: 1. a device housing; 2. winding the roller; 3. paper; 4. a first rotating disk; 5. a second rotating disk; 6. a transfer drum; 7. a card slot; 8. a clamping rod; 9. a first extrusion block; 10. a screw; 11. a slide bar; 12. a second extrusion block; 13. a spring; 14. screwing the block; 15. a pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a paper feeding device for a wide-width printing machine comprises a device shell 1, wherein a winding roller 2 is movably arranged in the middle of one side of the device shell 1 through a rotating shaft, paper 3 is wound on the outer side surface of the winding roller 2, a plurality of first rotating disks 4 are uniformly and fixedly arranged on the outer side surface of the device shell 1 through the rotating shaft, a second rotating disk 5 is arranged on one side, away from the device shell 1, of the first rotating disks 4, a transmission roller 6 is fixedly arranged between the second rotating disks 5, the paper 3 is wound on the outer side surface of the transmission roller 6, clamping structures are arranged inside the first rotating disks 4 and the second rotating disks 5, each clamping mechanism comprises a clamping groove 7, a clamping rod 8, a first squeezing block 9, a screw rod 10, a sliding rod 11 and a second squeezing block 12, a plurality of clamping grooves 7 are formed in one side, away from the transmission roller 6, of the surface of the second, first rotary disk 4 is close to one side activity interlude of draw-in groove 7 and is provided with a plurality of kellies 8, the movable block of one end that kellies 8 is close to draw-in groove 7 sets up inside draw-in groove 7, kellies 8 keeps away from the fixed first dummy block 9 that is provided with of one end of draw-in groove 7, the inside middle part of first rotary disk 4 is provided with screw rod 10 through the bearing activity, inside fixed slide bar 11 that is provided with in screw rod 10 one side of first rotary disk 4, slide bar 11 outside surface upper end and lower extreme equal movable sleeve are equipped with second dummy block 12, one side that second dummy block 12 is close to screw rod 10 is established at screw rod 10 outside surface through screw thread movable sleeve, laminate each other between first dummy block 9 and the 12 outside surfaces of second dummy.

The surface of the clamping rod 8 is sleeved with a spring 13 between the first extrusion block 9 and the inner side wall of the first rotating disc 4, the clamping rod 8 can be pushed to be pulled out of the clamping groove 7 through the spring 13, the upper end and the lower end of the screw rod 10 are both fixedly provided with screwing blocks 14, the screw rod 10 can be conveniently rotated through the screwing blocks 14, meanwhile, the two screwing blocks 14 can play a role in balancing weight, threads on two sides of the surface of the screw rod 10 are opposite, the screw rod 10 with opposite threads can drive the second extrusion block 12 to move in opposite directions along the slide rod 11 when rotating, one end of a rotating shaft of the first rotating disc 4 is fixedly provided with a belt pulley 15, and the transmission roller 6 can be conveniently driven to rotate through the belt pulley 15.

The working principle is as follows: when the device is used for a long time and needs to be replaced by different transmission rollers 6, only the twisting block 14 needs to be twisted by a tool, then the screw rod 10 is driven by twisting, at the moment, the screw rod 10 rotates, because the threads on two sides of the surface of the screw rod 10 are opposite, the second extrusion block 12 on the upper end can be driven to move downwards along the slide rod 11, the second extrusion block 12 on the lower end is driven to move upwards along the slide rod 11, so that the first extrusion block 9 does not extrude the second extrusion block 12 any more, at the moment, the first extrusion block 9 can move leftwards under the action of the spring 13, so that the clamping rod 8 can be driven to be pulled out from the clamping groove 7, the disassembly of the second rotating disc 5 and the transmission rollers 6 is finished, the whole process is convenient and fast, and when a new transmission roller 6 is installed, the clamping groove 7 on the surface of the second rotating disc 5 and the clamping rod 8 in the first rotating disc 4 only need to be aligned, and then, the screw rod 10 is reversely rotated by the screwing block 14, so that the first extrusion block 9 can be driven to extrude the second extrusion block 12, the second extrusion block 12 pushes the clamping rod 8 to move rightwards, and the clamping rod 8 can be clamped into the clamping groove 7, so that the installation can be completed, the whole process is also convenient and quick, and the working principle of the paper feeding device for the wide printing machine is the working principle.

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.