CN220484778U - Suction type paper pressing frame for paper conveying bedplate - Google Patents

Abstract

The utility model provides a suction type paper conveying platen paper pressing frame which is applied to paper printing operation; the paper pressing device comprises a conveying table, a frame, a paper pressing wheel assembly and a hinge rod, wherein the hinge rod is arranged on the conveying table, the frame is sleeved on the hinge rod, and the paper pressing wheel assembly is arranged in the frame; the frame comprises a plurality of cross bars, a plurality of longitudinal bars and compression bars, wherein adjacent longitudinal bars are connected through the cross bars, the compression bars are parallel to the cross bars and are arranged on the longitudinal bars, and the positions of the compression bars on the longitudinal bars are adjustable; the paper pressing wheel assembly is arranged on the pressing rod and is adjustable in position. According to the utility model, the frame is arranged on the conveying table top in the prior art, the paper pressing wheel is arranged on the frame and provides a pressing force for paper, when two paper sheets which are mutually overlapped are conveyed into the printing machine, the pressing force provided by the paper pressing wheel can offset the electrostatic action between the two paper sheets, so that the trend of the paper sheets on the conveying table is more stable.

Description

Suction type paper pressing frame for paper conveying bedplate

Technical Field

The utility model relates to the technical field of printing machine equipment in the tobacco industry, in particular to a suction type paper conveying platen paper pressing frame.

Background

In the production process of the cigarette labels in the tobacco industry, printing operation is required to be carried out on gold card paper or silver card paper, and at the moment, the cigarette labels are required to be printed by a printer. Printing is a process in which an image or text original is supported by a plate, ink is applied to the plate, and the ink is transferred to paper or other objects to be printed under pressure, and rapidly reproduced in large quantities, by direct or indirect methods. Modern printing machine is generally composed of mechanisms of plate loading, inking, embossing, paper feeding and the like, firstly, characters and images to be printed are made into printing plates, the printing plates are loaded on the printing machine, then, the inks are coated on places with the characters and the images on the printing plates by manpower or the printing machine, and then, the printing plates are directly or indirectly transferred onto paper or other printing stock, so that the same printed matter as the printing plates is copied, and the utility model and development of the printing machine play an important role in spreading human civilization and culture.

The printing machine is required to carry out finishing and conveying to paper in the printing process, the paper is generally conveyed through a moving belt, and an air suction port is formed below the belt, so that the paper is tightly attached to the belt for conveying, and the warping of the paper is avoided. However, in the process of transporting the paper, a part of the adjacent paper can be overlapped, so that the overlapped part of the adjacent paper can have electrostatic phenomenon and mirror effect, and the suction inlet can not ensure stable transportation of the paper. When the former paper enters the printer, the latter paper can change the original motion state due to the existing static phenomenon, thereby causing the occurrence of the paper blocking phenomenon, causing the shutdown and reducing the working efficiency of the equipment.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a suction type paper feeding platen paper pressing frame, which is used for solving the problem that in the prior art, static electricity exists between adjacent sheets, and after a previous sheet of printing paper enters a printing machine, the static electricity drives a next sheet of printing paper to move forward for a certain distance, so that a paper jam phenomenon occurs, and equipment is stopped.

In order to achieve the above purpose, the present utility model provides a suction type paper feeding platen paper pressing frame, which is applied to paper printing operation; the paper pressing device comprises a conveying table, a frame, a paper pressing wheel assembly and a hinge rod, wherein the hinge rod is arranged on the conveying table, the frame is sleeved on the hinge rod, and the paper pressing wheel assembly is arranged in the frame; the frame comprises a plurality of cross bars, a plurality of longitudinal bars and compression bars, wherein adjacent longitudinal bars are connected through the cross bars, the compression bars are parallel to the cross bars and are arranged on the longitudinal bars, and the positions of the compression bars on the longitudinal bars are adjustable; the paper pressing wheel assembly is arranged on the pressing rod and is adjustable in position.

Preferably, the number of the longitudinal rods is two, the number of the transverse rods is one, the two longitudinal rods are parallel to each other and the end parts of the two longitudinal rods are fixedly connected through the transverse rods, the end parts of the longitudinal rods, which are far away from the transverse rods, are provided with hinge holes, and the hinge rods penetrate through the hinge holes.

Preferably, a compression bar connecting piece is further arranged between the compression bar and the longitudinal bar, the compression bar connecting piece comprises a connecting frame, a first connecting piece and a second connecting piece, and the end part of the compression bar is fixedly connected with the connecting frame; the connecting frame is set to the U-shaped frame, the connecting frame card is established on the vertical pole, first connecting hole and second connecting hole have been seted up on the adjacent both sides wall of connecting frame, first connecting piece sets up in first connecting hole, the second connecting piece sets up in the second connecting hole, connecting frame passes through first connecting piece, second connecting piece fastening connection with the vertical pole.

Preferably, the first vertical rod groove and the second vertical rod groove are formed in the vertical rod, the first vertical rod groove and the second vertical rod groove are formed in the extending direction of the vertical rod, the first connecting hole and the second connecting hole are threaded holes, the first connecting piece and the second connecting piece are connecting bolts, the first connecting piece penetrates through the first connecting hole and is pressed in the first vertical rod groove, and the second connecting piece penetrates through the second connecting hole and is pressed in the second vertical rod groove.

Preferably, the paper pressing wheel assembly comprises a paper pressing wheel fixing frame, a third connecting piece, a fourth connecting piece, a paper pressing wheel connecting plate, a paper pressing wheel shaft frame and a paper pressing wheel, wherein the paper pressing wheel fixing frame is clamped on a pressing rod, the paper pressing wheel connecting plate is connected with the paper pressing wheel fixing frame through the fourth connecting piece, the paper pressing wheel shaft frame is arranged on the paper pressing wheel connecting plate, and the paper pressing wheel is arranged on the paper pressing wheel shaft frame; the paper pressing wheel fixing frame is further provided with a third connecting hole, the third connecting piece is arranged in the third connecting hole, and the paper pressing wheel fixing frame is fixedly connected with the pressing rod through the third connecting piece.

Preferably, the shape of the platen roller fixing frame is U-shaped, the third connecting piece is a connecting bolt, the third connecting hole is a threaded hole, a press rod groove is formed in the press rod, and the third connecting piece penetrates through the third connecting hole and is pressed in the press rod groove.

Preferably, the fourth connecting component comprises a spring and a fourth connecting piece, a fourth connecting hole is formed in the paper pressing wheel fixing frame, a through hole is formed in the paper pressing wheel connecting plate, the paper pressing wheel connecting plate is arranged on the upper side of the paper pressing wheel fixing frame, and the spring is located between the bottom surface of the paper pressing wheel connecting plate and the top surface of the paper pressing wheel fixing frame; the fourth connecting piece penetrates through the through hole, the spring and the fourth connecting hole from top to bottom in sequence.

Preferably, the conveying table comprises a conveying belt, a conveying assembly, a conveying shaft and an air suction hole, wherein the conveying shaft is arranged on the side wall of the conveying table through a positioning bearing, the conveying assembly is arranged on the side wall of the conveying table, and the conveying assembly is in transmission connection with the conveying shaft; the conveying belt is wound on the conveying shaft to form a closed ring, and the air suction hole is formed in the surface of the conveying table; the outside of the conveying table is provided with a printer, the printer comprises a printer inlet and a conveying roller, and paper enters the printer inlet through a conveying belt and moves inside the printer through the conveying roller.

Preferably, the surface of the conveying table is provided with two hinging rod mounting seats, and the hinging rod is arranged between the two hinging rod mounting seats in a penetrating mode.

Preferably, the number of the conveying belts is three, and the air suction holes are arranged on the surface of the conveying table between the adjacent conveying belts; and an air pump is further arranged in the conveying table, and the air pump is communicated with the air suction hole through an air pipe.

As described above, the suction type paper feeding table board paper pressing frame has the following beneficial effects:

the utility model relates to a suction type paper conveying platen paper pressing frame, a set of frame is arranged on a conveying table top in the prior art, a paper pressing wheel is arranged on the frame, the paper pressing wheel provides a pressing force for paper, when two pieces of paper which are mutually overlapped are conveyed into a printing machine, the pressing force provided by the paper pressing wheel can offset the electrostatic action between the two pieces of paper, so that the paper on the conveying table is more stable in trend, and the problem of poor paper conveying and poor line regulation due to static electricity and mirror effect between adjacent pieces of paper in the prior art is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of a suction type sheet feeding platen press frame and a printer according to the present utility model;

FIG. 2 is a spatial configuration diagram of a suction type platen press frame according to the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Reference numerals illustrate:

1. a conveying table; 2. a conveyor belt; 3. a transport assembly; 4. a conveying shaft; 5. positioning a bearing; 6. an air suction hole; 7. a frame; 701. a longitudinal bar; 7011. a hinge hole; 7012. a first longitudinal bar groove; 7013. a second longitudinal bar groove; 702. a cross bar; 703. a compression bar; 7031. a compression bar groove; 704. a connection frame; 7041. a first connector; 7042. a second connector; 705. a platen roller fixing frame; 7051. a third connecting member; 7052. a fourth connecting member; 7053. a paper pressing wheel connecting plate; 7054. a paper pressing wheel; 7055. a spring; 8. a hinge rod mounting seat; 9. a hinge rod; 10. a printing machine; 11. a printer inlet; 12. and a conveying roller.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.

As shown in fig. 1 to 3, the present utility model provides a suction type platen (hereinafter referred to as platen), and for convenience of description, as shown in fig. 1, the longitudinal direction of the conveying table 1 is defined as the front-rear direction, the width direction of the conveying table 1 is defined as the left-right direction, and the height direction of the conveying table 1 is the up-down direction, so that the movement direction of the paper on the conveying table 1 is forward movement, and the printer 10 is also provided at the front end of the conveying table 1.

As shown in fig. 1-3, the utility model provides a suction type paper feeding platen paper pressing frame, which is applied to paper printing operation; the paper pressing device comprises a conveying table 1, a frame 7, a paper pressing wheel assembly and a hinge rod 9, wherein the hinge rod 9 is arranged on the conveying table 1, and the frame 7 is sleeved on the hinge rod 9 and can rotate around the hinge rod 9; the platen assembly is disposed in the frame 7; the frame 7 comprises a plurality of cross bars 702, a plurality of longitudinal bars 701 and a compression bar 703, wherein adjacent longitudinal bars 701 are fixedly connected through the cross bars 702, the compression bar 703 is parallel to the cross bars 702 and arranged on the longitudinal bars 701, and the front and back positions of the compression bar 703 on the longitudinal bars 701 are adjustable; the platen roller assembly is disposed on the platen 703, and the left and right positions are adjustable.

The utility model relates to a suction type paper conveying table board paper pressing frame, which is arranged on a hinging rod 9, wherein a paper pressing wheel assembly is arranged in a frame 7 in the paper pressing frame, and a pressing wheel or a brush wheel is arranged on the paper pressing wheel assembly, so that downward pressure can be provided for paper conveyed on a conveying table 1, and electrostatic force generated at the mutual overlapping part of adjacent paper is counteracted, and the trend stability of the paper is ensured. The paper pressing wheel assembly is connected to the longitudinal rod 701 of the frame 7 through the pressing rod 703, the position of the pressing rod 703 on the longitudinal rod 701 is adjustable, and the position of the paper pressing wheel assembly on the pressing rod 703 is adjustable, so that the paper pressing machine can adapt to paper with different sizes, and the paper pressing machine is wide in application range.

Preferably, as shown in fig. 1 and 2, the number of the vertical bars 701 is two, the number of the cross bars 702 is one, the two vertical bars 701 are parallel to each other, the rear end parts are fixedly connected through the cross bars 702, the front end parts of the vertical bars 701 are provided with hinge holes 7011, and the hinge bars 9 penetrate through the hinge holes 7011 in the left-right direction. Further, in this embodiment, two hinge rod mounting seats 8 are further provided on the surface of the conveying table 1, and the hinge rod 9 penetrates through the two hinge rod mounting seats 8 in the left-right direction, and the hinge rod mounting seats 8 are detachably mounted on the conveying table 1 through bolts.

Preferably, as shown in fig. 2, a compression bar connecting piece is further disposed between the compression bar 703 and the longitudinal bar 701, the compression bar connecting piece includes a connecting frame 704, a first connecting piece 7041, and a second connecting piece 7042, and the left and right end portions of the compression bar 703 are fixedly connected with the connecting frame 704; the connection frame 704 is a U-shaped frame, the connection frame 704 is clamped on the vertical rod 701 along the left-right direction, a first connection hole and a second connection hole are formed in two adjacent side walls of the connection frame 704, the first connection member 7041 is arranged in the first connection hole, the second connection member 7042 is arranged in the second connection hole, and the connection frame 704 is in fastening connection with the vertical rod 701 through the first connection member 7041 and the second connection member 7042. In this embodiment, the opening direction of the connection frame 704 is a left-right direction, the first connection hole is opened on the top surface of the connection frame 704 along the up-down direction, and the second connection hole is opened on the side surface of the connection frame 704 along the left-right direction.

Preferably, as shown in fig. 2, the longitudinal bar 701 is provided with a first longitudinal bar groove 7012 and a second longitudinal bar groove 7013, the first longitudinal bar groove 7012 and the second longitudinal bar groove 7013 are opened on the longitudinal bar 701 in a front-rear direction in an extending manner, the first connecting hole and the second connecting hole are threaded holes, the first connecting piece 7041 and the second connecting piece 7042 are connecting bolts, the first connecting piece 7041 penetrates through the first connecting hole and is pressed in the first longitudinal bar groove 7012, and the second connecting piece 7042 penetrates through the second connecting hole and is pressed in the second longitudinal bar groove 7013. In this embodiment, a first longitudinal bar groove 7012 is provided in the upper surface of longitudinal bar 701 and a second longitudinal bar groove 7013 is provided on the side of longitudinal bar 701. The number of the first connecting pieces 7041 is one, the number of the second connecting pieces 7042 is two, the connecting frame 704 is fastened to the vertical rod 701 by the first connecting pieces 7041 and the second connecting pieces 7042, and the position of the connecting frame 704 on the vertical rod 701 can be adjusted.

Preferably, as shown in fig. 2 and 3, the platen roller assembly includes a platen roller fixing frame 705, a third connecting member 7051, a fourth connecting member, a platen roller connecting plate 7053, a platen roller shaft frame, and a platen roller 7054, wherein the platen roller fixing frame 705 is clamped on the press lever 703 along the front-rear direction, the platen roller connecting plate 7053 is connected with the platen roller fixing frame 705 through the fourth connecting member, the platen roller shaft frame is arranged on the platen roller connecting plate 7053, and the platen roller 7054 is mounted on the platen roller shaft frame; the platen roller fixing frame 705 is further provided with a third connecting hole, the third connecting member 7051 is disposed in the third connecting hole, and the platen roller fixing frame 705 is fastened and connected with the pressing rod 703 through the third connecting member 7051.

Preferably, as shown in fig. 2 and 3, the platen roller fixing frame 705 is U-shaped, the third connecting member 7051 is a connecting bolt, the third connecting hole is a threaded hole, the pressing rod 703 is provided with a pressing rod groove 7031, and the third connecting member 7051 penetrates through the third connecting hole in the front-rear direction and is pressed in the pressing rod groove 7031. In this embodiment, the platen roller fixing frame 705 is clamped on the pressing rod 703 from the back to the front, the third connecting hole is formed on the rear wall of the platen roller fixing frame 705, the pressing rod groove 7031 is formed on the rear side surface of the pressing rod 703, the platen roller fixing frame 705 is pressed in the pressing rod 703 by the third connecting member 7051, and the position of the platen roller fixing frame 705 on the pressing rod 703 can be adjusted.

Preferably, as shown in fig. 3, the fourth connecting component includes a spring 7055 and a fourth connecting piece 7052, a fourth connecting hole is formed in the platen roller fixing frame 705, a through hole is formed in the platen roller connecting plate 7053, the platen roller connecting plate 7053 is arranged above the platen roller fixing frame 705, and the spring 7055 is located between the bottom surface of the platen roller connecting plate 7053 and the top surface of the platen roller fixing frame 705; the fourth connecting member 7052 sequentially penetrates through the through hole, the spring 7055 and the fourth connecting hole from top to bottom. In this embodiment, the fourth connection hole is a threaded hole, the fourth connection member 7052 is a connection bolt, and the amount of pressure applied downward by the platen connection plate 7053 is adjusted by the length screwed into the fourth connection hole.

Further, in the connecting bolt related to the embodiment, in order to facilitate screwing the connecting bolt, the connecting bolt adopts a butterfly bolt, so that the operation of staff is facilitated.

Preferably, as shown in fig. 1, the conveying table 1 comprises a conveying belt 2, a conveying assembly 3, a conveying shaft 4 and an air suction hole 6, wherein the conveying shaft 4 is arranged on the rear end side wall of the conveying table 1 through a positioning bearing 5, the conveying assembly 3 is arranged on the right side wall of the conveying table 1, and the conveying assembly 3 is in transmission connection with the conveying shaft 4; the conveying belt 2 is wound on the conveying shaft 4 and forms a closed ring along the front-back direction, and the air suction hole 6 is formed on the surface of the conveying table 1; a printer 10 is provided on the front side of the transport table 1, and the printer 10 includes a printer inlet 11, and transport rollers 12, and paper enters the printer inlet 11 via the transport belt 2 and moves inside the printer 10 via the transport rollers 12. Further, in the present embodiment, the number of the conveyor belts 2 is three, and the suction holes 6 are provided on the surface of the conveyor table 1 between the adjacent conveyor belts 2; an air pump is further arranged in the conveying table 1, and the air pump is communicated with the air suction hole 6 through an air pipe. In this embodiment, the transport assembly 3 employs a motor.

The utility model relates to a suction type paper feeding table board paper pressing frame, which has the following working principle:

firstly, fixedly connecting two longitudinal bars 701 and a transverse bar 702; a hinge hole 7011 is formed in the front end portion of the vertical rod 701, and the hinge rod 9 is inserted through the hinge hole 7011 from left to right and is mounted on the surface of the conveying table 1 through two hinge rod mounting seats 8.

Secondly, two ends of the compression bar 703 are respectively and fixedly connected with two compression bar connecting pieces, the two compression bar connecting pieces are respectively fastened on the two longitudinal bars 701, and the front and back positions of the compression bar 703 on the two longitudinal bars 701 can be adjusted; two paper pressing wheel assemblies are arranged on the pressing rod 703, and the left and right positions of the paper pressing wheel assemblies on the pressing rod 703 can be adjusted.

Again, the amount of spacing between the platen connecting plate 7053 and the platen fixing frame 705 (i.e., the degree of tension of the spring 7055) on the platen assembly is adjusted so that the downward pressure of the platen 7054 meets the production needs.

Finally, an operator opens the conveying assembly 3, the conveying assembly 3 drives the conveying shaft 4 to rotate, the conveying belt 2 is driven to rotate, and meanwhile, the sucking pump is started, and downward suction force is generated in the suction hole 6. When the paper is placed on the conveyor belt 2 for transportation, two paper sheets with overlapped upper and lower parts are simultaneously transported by the conveyor belt 2, after the previous paper sheet is transported into the printer inlet 11, the next paper sheet is pressed down by the paper pressing wheel 7054, so that the electrostatic force between the previous paper sheet and the next paper sheet is overcome, and the paper jam phenomenon caused by the fact that the previous paper sheet is brought forward by the next paper sheet is avoided.

The suction type paper feeding table board paper pressing frame has the following beneficial effects:

1. the suction type paper conveying platen paper pressing frame provided by the utility model has the advantages that the two paper pressing wheel assemblies are arranged to provide a pressing force for conveying paper, so that electrostatic force between adjacent paper is counteracted, the paper is more stable in trend on the conveying table 1, the paper jam phenomenon caused by the electrostatic force between the adjacent paper is avoided, the equipment failure is avoided, and the working efficiency is improved.

2. The utility model relates to a suction type paper conveying platen paper pressing frame, wherein a paper pressing wheel assembly is arranged on a pressing rod 703 and the position of the paper pressing wheel assembly can be adjusted left and right; the compression bar 703 is arranged on the longitudinal bar 701 and the position of the compression bar is adjustable back and forth; the spring 7055 is arranged between the paper pressing wheel 7054 and the paper pressing wheel fixing frame 705, so that the height of the paper pressing wheel 7054 and the pressing force of the paper pressing wheel 7054 can be adjusted, and the paper pressing machine can adapt to paper with different lengths, widths and thicknesses, and is wide in application range and low in cost.

In conclusion, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The suction type paper conveying platen paper pressing frame is applied to paper printing operation; the method is characterized in that: the paper pressing machine comprises a conveying table (1), a frame (7), a paper pressing wheel assembly and a hinging rod (9), wherein the hinging rod (9) is arranged on the conveying table (1), the frame (7) is sleeved on the hinging rod (9), and the paper pressing wheel assembly is arranged in the frame (7); the frame (7) comprises a plurality of cross bars (702), a plurality of longitudinal bars (701) and compression bars (703), wherein adjacent longitudinal bars (701) are connected through the cross bars (702), the compression bars (703) are parallel to the cross bars (702) and are arranged on the longitudinal bars (701), and the positions of the compression bars (703) on the longitudinal bars (701) are adjustable; the paper pressing wheel assembly is arranged on the pressing rod (703) and is adjustable in position.

2. The suction type paper feeding deck platen according to claim 1, wherein: the number of the longitudinal bars (701) is two, the number of the transverse bars (702) is one, the two longitudinal bars (701) are parallel to each other and the end parts of the two longitudinal bars are fixedly connected through the transverse bars (702), the end parts of the longitudinal bars (701) far away from the transverse bars (702) are provided with hinge holes (7011), and the hinge bars (9) penetrate through the hinge holes (7011).

3. The suction type paper feeding deck platen according to claim 1, wherein: a compression bar connecting piece is further arranged between the compression bar (703) and the longitudinal bar (701), the compression bar connecting piece comprises a connecting frame (704), a first connecting piece (7041) and a second connecting piece (7042), and the end part of the compression bar (703) is fixedly connected with the connecting frame (704); the connecting frame (704) is set to the U-shaped frame, connecting frame (704) card is established on vertical pole (701), first connecting hole and second connecting hole have been seted up on connecting frame (704) the adjacent both sides wall, first connecting piece (7041) set up in first connecting hole, second connecting piece (7042) set up in the second connecting hole, connecting frame (704) are connected through first connecting piece (7041), second connecting piece (7042) fastening with vertical pole (701).

4. A suction type paper feeding deck platen according to claim 3, wherein: be provided with first vertical pole recess (7012) and second vertical pole recess (7013) on vertical pole (701), first vertical pole recess (7012), second vertical pole recess (7013) are seted up along the extending direction of vertical pole (701), first connecting hole, second connecting hole are the screw hole, first connecting piece (7041), second connecting piece (7042) are connecting bolt, first connecting piece (7041) runs through first connecting hole and compresses tightly in first vertical pole recess (7012), second connecting piece (7042) runs through the second connecting hole and compresses tightly in second vertical pole recess (7013).

5. The suction type paper feeding deck platen according to claim 1, wherein: the paper pressing wheel assembly comprises a paper pressing wheel fixing frame (705), a third connecting piece (7051), a fourth connecting assembly, a paper pressing wheel connecting plate (7053), a paper pressing wheel shaft frame and a paper pressing wheel (7054), wherein the paper pressing wheel fixing frame (705) is clamped on a pressing rod (703), the paper pressing wheel connecting plate (7053) is connected with the paper pressing wheel fixing frame (705) through the fourth connecting assembly, the paper pressing wheel shaft frame is arranged on the paper pressing wheel connecting plate (7053), and the paper pressing wheel (7054) is arranged on the paper pressing wheel shaft frame; the paper pressing wheel fixing frame (705) is further provided with a third connecting hole, the third connecting piece (7051) is arranged in the third connecting hole, and the paper pressing wheel fixing frame (705) is fixedly connected with the pressing rod (703) through the third connecting piece (7051).

6. The suction type paper feeding deck pressing frame as claimed in claim 5, wherein: the shape of the paper pressing wheel fixing frame (705) is U-shaped, the third connecting piece (7051) is a connecting bolt, the third connecting hole is a threaded hole, a pressing rod groove (7031) is formed in the pressing rod (703), and the third connecting piece (7051) penetrates through the third connecting hole and is pressed in the pressing rod groove (7031).

7. The suction type paper feeding deck pressing frame as claimed in claim 5, wherein: the fourth connecting component comprises a spring (7055) and a fourth connecting piece (7052), a fourth connecting hole is formed in the paper pressing wheel fixing frame (705), a through hole is formed in the paper pressing wheel connecting plate (7053), the paper pressing wheel connecting plate (7053) is arranged on the upper side of the paper pressing wheel fixing frame (705), and the spring (7055) is located between the bottom surface of the paper pressing wheel connecting plate (7053) and the top surface of the paper pressing wheel fixing frame (705); the fourth connecting piece (7052) penetrates through the through hole, the spring (7055) and the fourth connecting hole from top to bottom in sequence.

8. The suction type paper feeding deck platen according to claim 1, wherein: the conveying platform (1) comprises a conveying belt (2), a conveying assembly (3), a conveying shaft (4) and an air suction hole (6), wherein the conveying shaft (4) is arranged on the side wall of the conveying platform (1) through a positioning bearing (5), the conveying assembly (3) is arranged on the side wall of the conveying platform (1), and the conveying assembly (3) is in transmission connection with the conveying shaft (4); the conveying belt (2) is wound on the conveying shaft (4) and forms a closed ring, and the air suction hole (6) is formed in the surface of the conveying table (1); the outside of the conveying table (1) is provided with a printer (10), the printer (10) comprises a printer inlet (11) and a conveying roller (12), and paper enters the printer inlet (11) through the conveying belt (2) and moves inside the printer (10) through the conveying roller (12).

9. The suction type paper feeding deck platen according to claim 8, wherein: the surface of the conveying table (1) is provided with two hinging rod mounting seats (8), and the hinging rod (9) is arranged between the two hinging rod mounting seats (8) in a penetrating mode.

10. The suction type paper feeding deck platen according to claim 8, wherein: the number of the conveying belts (2) is three, and the air suction holes (6) are formed in the surface of the conveying table (1) between the adjacent conveying belts (2); an air pump is further arranged in the conveying table (1), and the air pump is communicated with the air suction hole (6) through an air pipe.