CN214354887U

CN214354887U - Paper feeding device of flat-bed printing machine

Info

Publication number: CN214354887U
Application number: CN202022085207.7U
Authority: CN
Inventors: 吴圣
Original assignee: Individual
Current assignee: Dalian Jianfeng Printing Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-10-08
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a paper feeding device of a flat-plate printing machine, which comprises a supporting table, wherein the top end of the supporting table is fixedly provided with a U-shaped frame I and a U-shaped frame II, the U-shaped frame I and the U-shaped frame II are symmetrically distributed at the two sides of the supporting table, the top end of the U-shaped frame I is symmetrically and fixedly provided with a cylinder I, the output end of the cylinder I extends into the U-shaped frame I and is fixedly connected with a pressing plate, the top end of the U-shaped frame II is symmetrically and fixedly provided with a cylinder II, the output end of the cylinder II extends into the U-shaped frame II and is fixedly connected with a U-shaped frame III, the lower part of the U-shaped frame III rotates and is provided with a rotating shaft I, the rotating shaft I is fixedly sleeved with a cleaning roller I, the cleaning roller I is positioned under the U-shaped frame III, the top end of the supporting table is provided with a groove, the utility model has simple structure and convenient application, and can effectively clean printing paper, meanwhile, the thickness of the paper can be adjusted, so that the applicability of the device is improved.

Description

Paper feeding device of flat-bed printing machine

Technical Field

The utility model relates to a flatbed printing machine paper feed device belongs to printing machine equipment technical field.

Background

A printing press is a machine that prints text and images. The current printing machine generally comprises mechanisms of paper feeding, plate loading, inking, stamping, paper conveying, folding and the like. The paper to be printed is fed by paper feeder, and the characters and images to be printed are made into printing plate, then the printing plate is placed on the printing machine, then the ink is coated on the position on which the characters and images are placed by hand or printing machine, then the ink is directly or indirectly transferred onto the paper or other printing material so as to copy the printed matter identical to that of printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture, and the existing paper feeding device arranged at the input end of the printing machine body generally consists of a bracket, and a driving roller and a driven roller which are rotatably arranged on the bracket.

An improved flatbed printing machine paper feed device as grant publication No. CN206985235U discloses, including electrostatic precipitator, a supporting bench, first brush, the second brush, rubber lug and apron, electrostatic precipitator sets up the upper and lower both sides at the printing paper, a supporting bench sets up the right side at electrostatic precipitator, first brush sets up the upper end at the action wheel, the lower extreme at the follow driving wheel is installed to the second brush, rubber lug sets up the surface at the action wheel, the apron is through rotating hinged joint in electrostatic precipitator's top, and electrostatic precipitator's below is provided with the electrostatic precipitator mouth. This modified flatbed printer paper feed device is provided with electrostatic precipitator at the upper and lower both ends face of printing paper, plays the effect that utilizes the electrostatic principle to get rid of the adnexed dust of printing paper upper and lower two sides and wastepaper, can clean printing paper, nevertheless can not carry out adjusting device according to the thickness of paper for to the paper that is thinner a bit can not be fine clear up, when the fold appears in the paper simultaneously, also can influence clean effect.

Therefore, there is a need for a sheet feeding device of a flatbed printing machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a flatbed printing machine paper feed device, the utility model discloses simple structure, it is suitable for the convenience, can effectually clear up printing paper, can adjust according to the thickness of paper simultaneously to improve the suitability of device, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a paper feeding device of a flat-plate printing machine comprises a supporting table, wherein a U-shaped frame I and a U-shaped frame II are fixedly arranged at the top end of the supporting table, the U-shaped frame I and the U-shaped frame II are symmetrically distributed on two sides of the supporting table, a cylinder I is symmetrically and fixedly arranged at the top end of the U-shaped frame I, the output end of the cylinder I extends into the U-shaped frame I and is fixedly connected with a pressing plate, a cylinder II is symmetrically and fixedly arranged at the top end of the U-shaped frame II, the output end of the cylinder II extends into the U-shaped frame II and is fixedly connected with a U-shaped frame III, a rotating shaft I is rotatably arranged at the lower part of the U-shaped frame III, a cleaning roller I is fixedly sleeved on the rotating shaft I, the cleaning roller I is positioned under the U-shaped frame III, a groove is formed in the top end of the supporting table, the groove is positioned under the U-shaped frame II, and a rotating shaft II is rotatably arranged in the groove, and a second cleaning roller is fixedly sleeved on the second rotating shaft, and the second cleaning roller is positioned under the first cleaning roller.

Furthermore, the front end of the first rotating shaft penetrates through the third U-shaped frame and the second U-shaped frame and extends to the front side of the second U-shaped frame, the first motor is fixedly connected with the outer wall of the front side of the second U-shaped frame, the rear end of the second rotating shaft penetrates through the third U-shaped frame and the second U-shaped frame and extends to the rear side of the second U-shaped frame, and a first belt pulley is fixedly sleeved on the rear end of the second rotating shaft.

Furthermore, the rear end of the second rotating shaft penetrates through the supporting table and extends to the rear of the supporting table, and a second belt pulley is fixedly sleeved on the second rotating shaft.

Further, the supporting table is close to a sliding groove is formed in the lower portion of one side of the U-shaped frame II, the supporting table is close to a motor II fixedly arranged on the outer wall of the lower portion of one side of the U-shaped frame II, the sliding groove and the motor II are located on the rear side of the supporting table, a screw rod is fixedly connected to the output end of the motor II, the other end of the screw rod extends into the sliding groove, a threaded seat is sleeved on the screw rod, a rotating shaft III is arranged on the rear side of the threaded seat in a rotating mode, and the rear end of the rotating shaft III penetrates through the supporting table and extends to the rear portion of the supporting table and a belt pulley III is fixedly sleeved on the supporting table.

Further, the first belt pulley, the second belt pulley and the third belt pulley are connected through a belt.

Furthermore, a dust outlet hole is fixedly formed in the inner wall of the bottom end of the groove in a penetrating mode, and the inner wall of the bottom end of the groove is in a funnel-shaped arrangement.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a clamp plate, cleaning roller one and cleaning roller two have been set up, when the raw materials passes through the below of U type frame one, can promote the clamp plate to move downwards through cylinder one this moment, thereby flatten the paper, avoid the paper to appear the fold, then when the paper passes through cleaning roller one and cleaning roller two, drive pivot one through the motor and rotate, thereby make pivot one drive cleaning roller one and rotate, the pivot drives belt pulley one to rotate this moment, thereby make belt pulley one drive belt pulley two and belt pulley three to rotate through the belt, thereby make belt pulley two drive pivot two to rotate, pivot two drive cleaning roller two to rotate this moment, thereby can be through cleaning roller one and cleaning roller two pairs of paper to clear up;

2. the utility model has the advantages that the first air cylinder and the second air cylinder are arranged, the pressing plate is pushed by the first air cylinder to move downwards, so that the device can flatten paper with different thicknesses, and when the third U-shaped frame is driven by the second air cylinder to move up and down, the third U-shaped frame can drive the first rotating shaft to move up and down, so that the first rotating shaft drives the first cleaning roller to move up and down, and the cleaning device can be suitable for paper with different thicknesses;

3. the utility model discloses a belt pulley three has been set up, when two drive U type frame three of cylinder reciprocate, can drive pivot one through U type frame three and reciprocate, thereby make pivot one drive belt pulley one and reciprocate, drive the screw rod through two motors this moment and rotate, make the screw rod drive screw thread seat and control, thereby make screw thread seat drive pivot three and control, and then make pivot three drive belt pulley three and act on and remove, thereby can guarantee that the belt is in tight state all the time, thereby can guarantee that cleaning roller one and cleaning roller two normally rotate the utility model discloses the knot can effectually clear up printing paper, can adjust according to the thickness of paper simultaneously, thereby improved the suitability of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a side view of the first U-shaped frame of the present invention.

Reference numbers in the figures: 1. a support table; 2. a first U-shaped frame; 3. a U-shaped frame II; 4. a first cylinder; 5. pressing a plate; 6. a second air cylinder; 7. a third U-shaped frame; 8. a first rotating shaft; 9. cleaning a first roller; 10. a groove; 11. a second rotating shaft; 12. a second cleaning roller; 13. a first motor; 14. a first belt pulley; 15. a second belt pulley; 16. a chute; 17. a second motor; 18. a screw; 19. a threaded seat; 20. a rotating shaft III; 21. a third belt pulley; 22. a belt; 23. and a dust outlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in figures 1-4, a sheet-fed device of a flat-bed printing machine comprises a supporting table 1, a first U-shaped frame 2 and a second U-shaped frame 3 are fixedly arranged at the top end of the supporting table 1, the first U-shaped frame 2 and the second U-shaped frame 3 are symmetrically distributed at two sides of the supporting table 1, a first air cylinder 4 is symmetrically and fixedly arranged at the top end of the first U-shaped frame 2, the output end of the first air cylinder 4 extends into the first U-shaped frame 2 and is fixedly connected with a pressing plate 5, a second air cylinder 6 is symmetrically and fixedly arranged at the top end of the second U-shaped frame 3, the output end of the second air cylinder 6 extends into the second U-shaped frame 3 and is fixedly connected with a third U-shaped frame 7, a first rotating shaft 8 is rotatably arranged at the lower part of the third U-shaped frame 7, a first cleaning roller 9 is fixedly sleeved on the first rotating shaft 8, the first cleaning roller 9 is positioned under the third U-shaped frame 7, a groove 10 is arranged at the top end of the supporting table 1, the groove 10 is positioned under the second U-shaped frame 3, and a second rotating shaft 11 is rotatably arranged in the groove 10, fixed cover is equipped with cleaning roller two 12 on the second 11 of pivot, and cleaning roller two 12 are located cleaning roller 9 under, can drive clamp plate 5 through cylinder 4 and carry out ascending reciprocating of vertical side.

As shown in fig. 1-4, in the present embodiment, the front end of the first rotating shaft 8 penetrates through the third U-shaped frame 7 and the second U-shaped frame 3 and extends to the front side of the second U-shaped frame 3, and is fixedly connected with the first motor 13, the first motor 13 is fixedly connected with the outer wall of the front side of the second U-shaped frame 3, the rear end of the second rotating shaft 11 penetrates through the third U-shaped frame 7 and the second U-shaped frame 3 and extends to the rear side of the second U-shaped frame 3, and is fixedly sleeved with the first belt pulley 14, the rear end of the second rotating shaft 11 penetrates through the support table 1 and extends to the rear side of the support table 1, and is fixedly sleeved with the second belt pulley 15, the lower portion of the support table 1 near the second U-shaped frame 3 is provided with a sliding groove 16, the outer wall of the lower portion of the support table 1 near the second U-shaped frame 3 is fixedly provided with the second motor 17, the sliding groove 16 and the second motor 17 are both located at the rear side of the support table 1, the output end of the second motor 17 is fixedly connected with a screw 18, and the other end of the screw 18 extends to the sliding groove 16, the screw 18 is sleeved with a threaded seat 19 in a threaded manner, the rear side of the threaded seat 19 is provided with a third rotating shaft 20 in a rotating manner, the rear end of the third rotating shaft 20 penetrates through the support table 1 and extends to the rear side of the support table 1, the third belt pulley 21 is fixedly sleeved with the first belt pulley 14, the second belt pulley 15 and the third belt pulley 21 are connected through a belt 22, the first motor 13 drives the first rotating shaft 8 to rotate, so that the first rotating shaft 8 drives the first cleaning roller 9 to rotate, at the moment, the first rotating shaft 8 drives the first belt pulley 14 to rotate, so that the first belt pulley 14 drives the second belt pulley 15 and the third belt pulley 21 to rotate through the belt 22, so that the second belt pulley 15 drives the second rotating shaft 11 to rotate, at the moment, the second rotating shaft 11 drives the second cleaning roller 12 to rotate, and can support the belt 22 through the third belt pulley 21, when the cylinder 6 drives the third U-shaped frame 7 to move up and down, can drive pivot 8 through three 7 of U type frame and reciprocate to make pivot 8 drive belt pulley 14 and reciprocate, drive screw rod 18 through two motors 17 this moment and rotate, make screw rod 18 drive screw thread seat 19 and remove about, thereby make screw thread seat 19 drive pivot three 20 and remove about, and then make pivot three 20 drive belt pulley three 21 and act on and remove, thereby can guarantee that belt 22 is in tight state all the time.

As shown in fig. 2, a dust outlet 23 is fixedly formed in the inner wall of the bottom end of the groove 10 in the embodiment, the inner wall of the bottom end of the groove 10 is funnel-shaped, and by arranging the dust outlet 23, the dust and the debris falling into the groove 10 can be discharged through the dust outlet 23, so that a large amount of impurities are prevented from being accumulated in the groove 10.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: when the cleaning roller is used, when raw materials pass through the lower part of the U-shaped frame I2, the pressing plate 5 can be pushed to move downwards through the air cylinder I4, paper is pressed to be flat, then when the paper passes through the cleaning roller I9 and the cleaning roller II 12, the rotating shaft I8 is driven to rotate through the motor I13, the cleaning roller I9 is driven to rotate by the rotating shaft I8, the belt pulley I14 drives the belt pulley II 15 and the belt pulley III 21 to rotate through the belt 22, the rotating shaft II 11 drives the cleaning roller II 12 to rotate, the belt 22 can be supported through the belt pulley III 21, when the U-shaped frame III 7 is driven to move up and down by the air cylinder II 6, the rotating shaft I8 can be driven to move up and down through the U-shaped frame III 7, thereby make a pivot 8 drive belt pulley 14 reciprocate, drive screw rod 18 through motor two 17 this moment and rotate, make screw rod 18 drive screw thread seat 19 and control, thereby make screw thread seat 19 drive pivot three 20 and control, and then make pivot three 20 drive belt pulley three 21 and act on and remove, thereby can guarantee that belt 22 is in tight state all the time, through setting up out dirt hole 23, can make the piece and the dust that fall in recess 10 can discharge through going out dirt hole 23, avoid piling up a large amount of impurity in the recess 10, the utility model discloses simple structure, it is suitable for conveniently, can effectually clear up printing paper, can adjust according to the thickness of paper simultaneously, thereby improved the suitability of device.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a flatbed printing machine paper feed device, includes brace table (1), its characterized in that: the top end of the supporting table (1) is fixedly provided with a first U-shaped frame (2) and a second U-shaped frame (3), the first U-shaped frame (2) and the second U-shaped frame (3) are symmetrically distributed on two sides of the supporting table (1), the top end of the first U-shaped frame (2) is symmetrically and fixedly provided with a first air cylinder (4), the output end of the first air cylinder (4) extends into the first U-shaped frame (2) and is fixedly connected with a pressing plate (5), the top end of the second U-shaped frame (3) is symmetrically and fixedly provided with a second air cylinder (6), the output end of the second air cylinder (6) extends into the second U-shaped frame (3) and is fixedly connected with a third U-shaped frame (7), the lower portion of the third U-shaped frame (7) is provided with a first rotating shaft (8) in a rotating mode, a first cleaning roller (9) is fixedly sleeved on the first rotating shaft (8), and the first cleaning roller (9) is located under the third U-shaped frame (7), a groove (10) is formed in the top end of the supporting table (1), the groove (10) is located under the U-shaped frame II (3), a rotating shaft II (11) is arranged in the groove (10) in a rotating mode, a cleaning roller II (12) is fixedly arranged on the rotating shaft II (11) in a fixing mode, and the cleaning roller II (12) is located under the cleaning roller I (9).

2. The sheet feeding device of a flatbed printing machine according to claim 1, wherein: the front end of pivot one (8) runs through U type frame three (7) with U type frame two (3) extend to the front side of U type frame two (3) and fixedly connected with motor one (13), motor one (13) with the front side outer wall fixed connection of U type frame two (3), the rear end of pivot two (11) runs through U type frame three (7) with U type frame two (3) extend to the rear side of U type frame two (3) and fixed cover are equipped with belt pulley one (14).

3. The sheet feeding device of a flatbed printing machine according to claim 1, wherein: the rear end of the second rotating shaft (11) penetrates through the supporting table (1) and extends to the rear of the supporting table (1), and a second belt pulley (15) is fixedly sleeved on the rear of the supporting table (1).

4. The sheet feeding device of a flatbed printing machine according to claim 1, wherein: supporting bench (1) is close to spout (16) have been seted up to one side lower part of U type frame two (3), supporting bench (1) is close to fix on the one side lower part outer wall of U type frame two (3) and is equipped with motor two (17), spout (16) with motor two (17) all are located the rear side of supporting bench (1), the output fixedly connected with screw rod (18) of motor two (17), the other end of screw rod (18) extends to in spout (16), threaded sleeve is equipped with screw thread seat (19) on screw rod (18), the rear side rotation of screw thread seat (19) is equipped with three (20) of pivot, the rear end of three (20) of pivot runs through supporting bench (1) extends to the rear and the fixed cover of supporting bench (1) are equipped with three (21) of belt pulley.

5. The sheet feeding device of a flatbed printing machine according to claim 2, wherein: the first belt pulley (14), the second belt pulley (15) and the third belt pulley (21) are connected through a belt (22).

6. The sheet feeding device of a flatbed printing machine according to claim 1, wherein: the dust outlet holes (23) are fixedly formed in the inner wall of the bottom end of the groove (10) in a penetrating mode, and the inner wall of the bottom end of the groove (10) is funnel-shaped.