CN216711080U - Paper feeding device of rotary press - Google Patents

Abstract

The utility model relates to a rotary press adsorption paper feeding device, it relates to printing machine equipment field, and it includes mounting bracket and a plurality of bearing seat, the mounting bracket is used for setting up between two relative nose bars and extends along the axis direction of perpendicular to nose bar, the bearing seat is used for the bearing scroll, and is a plurality of the bearing seat is followed the extending direction align to grid of mounting bracket, be equipped with on the mounting bracket and be used for driving a plurality of the bearing seat is followed the drive assembly of the extending direction motion of mounting bracket, and is a plurality of the both sides of bearing seat all are equipped with and are used for right the scroll perpendicular to the mounting bracket extending direction carries out spacing subassembly. This application has automatic feeding replacement scroll, labour saving and time saving's effect.

Description

Paper feeding device of rotary press

Technical Field

The application relates to the field of printing machine equipment, in particular to a paper feeding device of a rotary printing machine.

Background

A rotary press is a device that can achieve high-speed printing, and belongs to a type of web printing presses. Rotary printing machines are mainly used for printing color magazines, high-grade commercial advertisements, high-grade publicity, paintings and the like, and are generally divided into four colors, six colors, eight colors or more according to the number of printable colors.

Chinese patent No. CN206242662U discloses a printing unit and a feeding device, which aims to provide a feeding device that detects the rotation speed of a replacement paper roll and a replaced paper roll in time, the technical scheme is that the paper roll replacing device comprises a reflection-type photoelectric sensor, a black mark, a cutter and the like, when the replacing paper roll is accelerated by an accelerating device, the rotating speed detection device detects the rotating speed of the replacement paper roll in real time, when the rotating speed of the replacement paper roll reaches a preset value, namely, the rotating speed detection device sends a cutting signal to the cutting device when the rotating speed of the paper roll to be replaced is the same as that of the paper roll to be replaced, the cutting device cuts the transmitted part of the paper roll to be replaced in time after receiving the cutting signal, therefore, the number of unqualified paper sheets generated by paper replacement is reduced, and the whole paper feeding device has the advantage of timely detecting the consistency of the rotating speed of the replacement paper roll and the rotating speed of the replaced paper roll.

When a roll of raw material paper printing is finished and then needs to be connected with and replaced with a replacement paper roll, the replacement paper roll is pushed to the support to be away from the other end, which is in a using state and is to be replaced with the paper roll, the protruding rod is controlled to move inwards the support through the third cylinder until the protruding rod completely enters the support, the support is driven to rotate through the second motor at the moment, so that the position of the protruding rod is adjusted up and down, when the axis of the protruding rod on the support is coincident with the axis of the replacement paper roll, the second motor stops working, the support and the protruding rod are fixed, then the protruding rod is driven to move outwards the support through the third steel, until the protruding rod is completely seeped out and embedded into the replacement paper roll, and the replacement paper roll is installed.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: the replacement paper roll is manually loaded and the position of the replacement paper roll is adjusted, so that time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to improve artifical material loading replacement scroll among the printing process, the problem that wastes time and energy, this application provides a rotary press adsorption paper feeding device.

The application provides a rotary press adsorption paper feeding device adopts following technical scheme:

the utility model provides a rotary press adsorption paper feeding device, includes mounting bracket and a plurality of bearing seat, the mounting bracket is used for setting up and extends along the axis direction of perpendicular to nose bar between two relative nose bars, the bearing seat is used for the bearing scroll, and is a plurality of the bearing seat is followed the extending direction align to grid of mounting bracket, be equipped with on the mounting bracket and be used for driving a plurality of the bearing seat is followed the drive assembly of the extending direction motion of mounting bracket, and is a plurality of the both sides of bearing seat all are equipped with and are used for right the scroll perpendicular to the mounting bracket extending direction carries out spacing subassembly.

Through adopting above-mentioned technical scheme, when carrying out the material loading to the replacement scroll, at first place the scroll on bearing seat in proper order, utilize spacing subassembly to carry on spacingly to the scroll on the bearing seat, realized the location on the extending direction of scroll perpendicular to mounting bracket, then utilize drive assembly drive bearing seat to follow the extending direction motion of mounting bracket, and then transport the scroll on the bearing seat to the support and keep away from the other end that is in using state's the scroll of waiting to change, produce the rotation through second motor drive support, when the axis of nose bar is coincided with the axis of replacement scroll on the support, through the motion of third cylinder drive nose bar, stretch out completely and imbed to the replacement scroll until the nose bar, realized the automatic installation to the replacement scroll, the time of personnel's manual adjustment position has been reduced, the material loading efficiency has been improved.

In a specific but embodiment, drive assembly includes the action wheel, follows driving wheel, link joint and moving motor, the action wheel from the driving wheel with the mounting bracket rotates to be connected, the link joint winding the action wheel with from the driving wheel on, moving motor with mounting bracket fixed connection, the action wheel with moving motor's the coaxial fixed connection of output shaft, be equipped with a plurality of connecting blocks on the link joint, the bearing seat passes through the installed part and can dismantle the connection setting and be in on the connecting block.

By adopting the technical scheme, when the paper roll on the bearing seat is conveyed to the other end, away from the paper roll to be replaced, of the support in the using state, the moving motor is started, the moving motor drives the driving wheel to rotate, the driving wheel drives the chain plates to move, so that the driven wheel rotates, the connecting block moves along the extension direction of the mounting frame under the driving of the chain plates, and the bearing seat is moved; utilize the installed part can dismantle the connection setting with the bearing seat on the connecting block, when dismantling the bearing board from the connecting block, be convenient for remove the connecting block along with the link joint.

In a specific embodiment, the installed part includes stopper, inserted block and spring, be equipped with on the connecting block and be used for holding the spacing groove of stopper, the spacing groove with one side lateral wall intercommunication of connecting block, the stopper with the bearing seat orientation the lateral wall fixed connection of mounting bracket, the tank bottom of spacing groove is seted up and is used for holding the groove that slides of inserted block, the inserted block is followed the direction of height motion in groove that slides, the spring setting in the inserted block with between the tank bottom in groove that slides, the inserted block is kept away from the one end of spring is equipped with the inclined plane, the distance of inclined plane to the groove tank bottom that slides is reduced to the one end of keeping away from the stopper by the one end that is close to the stopper.

Through adopting above-mentioned technical scheme, when installing the bearing seat to the connecting block, at first put into the opening that the spacing groove is close to the connecting block lateral wall with the stopper in, and promote the stopper to spacing inslot portion, make the extrusion take place between stopper and the inclined plane, then make the inserted block to the tank bottom motion in the groove that slides, the spring extrusion, when the stopper removes to the lateral wall with the spacing groove when supporting the subsides, the stopper breaks away from with the inclined plane, the inserted block is to keeping away from the direction motion of the groove tank bottom that slides under the spring action of spring, and then spacing at the spacing inslot with the stopper.

In a specific practical implementation scheme, the limiting assembly comprises a baffle, a cam and a rotating motor, a holding groove used for holding the baffle to move along the vertical height is formed in the holding seat, the outer edge of the cam is abutted to the side wall of the mounting frame, the rotating motor is fixedly connected with the holding seat, and the rotating motor is fixedly connected with the cam in a coaxial mode.

Through adopting above-mentioned technical scheme, when spacing is carried out to the scroll, at first start the rotation motor of keeping away from inserted block one side, it rotates the motor drive cam, at this moment, the cam is with the ejecting holding tank of baffle, promote the scroll by the one side that is close to the inserted block to the one side that is close to the baffle, when the end wall and the baffle butt of scroll, start the rotation motor that is close to inserted block one side, it rotates to rotate the motor drive cam, at this moment, the cam is with the ejecting holding tank of baffle, the scroll is spacing between the relative lateral wall of two baffles, the location to the scroll has been realized, the degree of accuracy when having improved the scroll material loading.

In a specific possible embodiment, a plurality of cylinders are arranged on each of the plurality of bearing seats, the axial direction of the plurality of cylinders is parallel to the extending direction of the mounting rack, and the plurality of cylinders are uniformly distributed along the direction perpendicular to the mounting rack.

Through adopting above-mentioned technical scheme, utilize a plurality of drums to reduce the paper roll and the bearing seat and kept away from the frictional force between the lateral wall of stopper, the friction between paper roll and the bearing seat makes the paper roll damage when carrying out the material loading to the paper roll is avoided as far as possible, and the personnel of being convenient for carry out the material loading to the paper roll.

In a specific implementation mode, magnetic blocks are arranged on the opposite side walls of two adjacent bearing seats, and the two magnetic blocks are connected in a magnetic adsorption mode.

Through adopting above-mentioned technical scheme, utilize two magnetic paths to fix a position two adjacent bearing seats, stability when being favorable to improving the bearing seat transportation.

In a specific embodiment, the side wall of the mounting frame, which is close to the rotary drum, is provided with an optoelectronic switch for detecting the relative position of the bearing seat.

Through adopting above-mentioned technical scheme, fix a position the position of bearing seat with photoelectric switch, when bearing seat sheltered from photoelectric switch, the mobile motor closed, and at this moment, bearing seat is static, is convenient for carry out the unloading to the scroll on the bearing seat.

In a specific embodiment, the side wall of the support seat away from the mounting frame is provided with an arc groove.

Through adopting above-mentioned technical scheme, utilize the arc groove to carry on spacingly to the scroll for the axis direction of scroll and the extending direction of mounting bracket are perpendicular, have improved the degree of accuracy to the scroll location, are favorable to realizing the unloading effect of good scroll.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the replacement paper roll is loaded, the paper rolls are sequentially placed on the bearing seat, the paper rolls on the bearing seat are limited by the limiting component, the paper rolls are positioned in the direction perpendicular to the extending direction of the mounting frame, then the bearing seat is driven by the driving component to move in the extending direction of the mounting frame, the paper rolls on the bearing seat are conveyed to the other end, away from the paper roll to be replaced, in the using state of the support, the support is driven to rotate by the second motor, and when the axis of the convex rod on the support is superposed with the axis of the replacement paper roll, the convex rod is driven by the third cylinder to move until the convex rod completely extends out and is embedded into the replacement paper roll, so that the automatic installation of the replacement paper roll is realized, the time for manually adjusting the position of a worker is shortened, and the loading efficiency is improved;

2. when transporting the scroll on the bearing seat to the support and keeping away from the other end that is in using state waiting to change the scroll, start the moving motor, the moving motor drives the action wheel and rotates, and the action wheel drives the link joint motion, and then makes from the driving wheel rotation, and the extension direction motion of edge mounting bracket has been realized to the connecting block under the drive of link joint to the removal of bearing seat.

Drawings

Fig. 1 is a schematic overall structure diagram of a paper feeding device of a rotary press according to an embodiment of the present application.

Fig. 2 is a cross-sectional view taken along plane a-a of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Description of reference numerals: 1. a mounting frame; 2. a bearing seat; 3. a limiting component; 31. a baffle plate; 32. a cam; 33. rotating the motor; 4. a drive assembly; 41. a driving wheel; 42. a driven wheel; 43. a chain plate; 44. a moving motor; 5. connecting blocks; 6. a mounting member; 61. a limiting block; 62. inserting a block; 63. a spring; 7. a limiting groove; 8. a sliding groove; 9. a bevel; 10. an arc groove; 11. paper roll; 12. accommodating grooves; 13. a cylinder; 14. a magnetic block; 15. a photoelectric switch; 16. a nose bar; 17. a support; 18. a second motor; 19. and a third cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a rotary press adsorption paper feeding device. Referring to fig. 1, a rotary press adsorption paper feeding device includes mounting bracket 1 and a plurality of bearing seat 2 that are used for bearing scroll 11, is equipped with on the bearing seat 2 to be used for carrying out spacing subassembly 3 to scroll 11, and mounting bracket 1 sets up between two relative nose bars 16 and extends along the axis direction of perpendicular to nose bar 16, and a plurality of bearing seat 2 are along the extending direction evenly distributed of mounting bracket 1, and a plurality of bearing seat 2 slide along the extending direction of mounting bracket 1 through drive assembly 4 on mounting bracket 1.

When feeding replaced paper rolls 11, firstly, sequentially placing a plurality of paper rolls 11 on the bearing seat 2, and limiting the paper rolls 11 on the bearing seat 2 by using the limiting component 3, so that the phenomenon that the paper rolls 11 shift in the transportation process and further the feeding effect is influenced is avoided as much as possible; then start drive assembly 4, drive assembly 4 drives a plurality of support seats 2 and moves to nose bar 16 along the extending direction of mounting bracket 1 in proper order, move to the other end that is in the change scroll 11 of user state when scroll 11 moves to support 17, at this moment, drive support 17 through second motor 18 and take place to rotate, when making the axis of the scroll 11 on the axis of the scroll 16 on support 17 and the support seat 2 coincide, stretch out through third cylinder 19 drive nose bar 16, until nose bar 16 stretches out completely and imbeds in the scroll 11 on support seat 2, realized the automatic installation to scroll 11, reduced the time of adjusting the position of axis between scroll 11 and the nose bar 16 on support seat 2, improved the efficiency of material loading.

Referring to fig. 1 and 2, drive assembly 4 includes action wheel 41, follow driving wheel 42, link joint 43 and moving motor 44, action wheel 41 rotates to connect and sets up the one end that is close to nose bar 16 at mounting bracket 1, follow driving wheel 42 and rotate to connect the other end of keeping away from nose bar 16 that sets up at mounting bracket 1, moving motor 44 and mounting bracket 1 fixed connection, moving motor 44's output shaft and the coaxial fixed connection of action wheel 41, link joint 43 is around establishing between action wheel 41 and follow driving wheel 42, be equipped with a plurality of connecting blocks 5 on link joint 43, connecting block 5 and bearing seat 2 one-to-one, bearing seat 2 can dismantle through installed part 6 and connecting block 5 and connect, connecting block 5 drives bearing seat 2 and moves along the extending direction of mounting bracket 1.

When the paper roll 11 on the bearing seat 2 is conveyed to the other end of the bracket 17 far away from the belt-replaced paper roll 11, the moving motor 44 is started, the moving motor 44 drives the driving wheel 41 to rotate, the driving wheel 41 drives the chain plate 43 to rotate, further the chain plate 43 drives the driven wheel 42 to rotate, the connecting block 5 arranged on the chain plate 43 drives the bearing seat 2 and the paper roll 11 on the bearing seat 2 to move along the extension direction of the mounting frame 1, and the movement of the paper roll 11 and the bearing seat 2 is realized; utilize installed part 6 can dismantle the connection setting with bearing seat 2 on connecting block 5, can demolish bearing seat 2 after 2 unloading of bearing seat are accomplished, be convenient for remove the position of connecting block 5.

Referring to fig. 2 and 3, the mounting member 6 includes a stop 61, insert block 62 and spring 63, spacing groove 7 has been seted up on the lateral wall that link joint 43 was kept away from to connecting block 5, stopper 61 sets up in spacing groove 7, one side lateral wall intercommunication of spacing groove 7 and connecting block 5, stopper 61 and bearing seat 2 are towards the lateral wall fixed connection of connecting block 5, bearing seat 2 and the 5 butt of connecting block, be equipped with sliding groove 8 on limiting groove 7's the tank bottom wall, insert block 62 sets up and slides in sliding groove 8 and along sliding groove 8's direction of height, spring 63 sets up in sliding groove 8, spring 63's one end and insert block 62 are towards the lateral wall fixed connection of sliding groove 8 tank bottom, spring 63's the other end and the 8 tank bottom fixed connection of sliding groove, insert block 62 is kept away from and is equipped with inclined plane 9 on the lateral wall of sliding groove 8 tank bottom, inclined plane 9 is steadilyd decrease to the one end of keeping away from stopper 61 by the one end that is close to sliding groove 8 tank bottom.

When bearing seat 2 and connecting block 5 fixed connection, at first place stopper 61 at the opening part of spacing groove 7 and connecting block 5 intercommunication, then promote stopper 61 and bearing seat 2 to spacing inslot 7, at this moment, take place the extrusion between stopper 61 and the inclined plane 9 of inserted block 62, inserted block 62 moves to the tank bottom direction of sliding groove 8, spring 63 compresses, when stopper 61 moves to laminating mutually with the lateral wall of spacing groove 7, spring 63 relaxs, inserted block 62 moves to the tank bottom of keeping away from sliding groove 8 under spring 63's drive, at this moment, inserted block 62 restricts stopper 61 between spacing groove 7 and inserted block 62, realized the location to stopper 61 and bearing seat 2, be convenient for carry out the material loading to scroll 11.

Referring to fig. 2 and 4, the limiting assembly 3 includes a baffle 31, a cam 32 and a rotating motor 33, an arc groove 10 is formed in a side wall, away from the mounting frame 1, of the bearing seat 2, an axial direction of the arc groove 10 is perpendicular to an extending direction of the mounting frame 1, the paper roll 11 is placed in the arc groove 10, and the paper roll 11 is positioned by using the arc groove 10, so that the axial direction of the paper roll 11 is perpendicular to the extending direction of the mounting frame 1, the positioning accuracy of the paper roll 11 is improved, and the paper roll 11 is convenient to discharge; be equipped with holding tank 12 on the cell wall of arc groove 10, baffle 31 sets up in holding tank 12, and baffle 31 slides along holding tank 12's direction of height, rotates motor 33 and bearing seat 2 fixed connection, rotates motor 33's output shaft and the coaxial fixed connection of cam 32, and the last rotation connection of bearing seat 2 is equipped with a plurality of drums 13, and the axis direction of a plurality of drums 13 is mutually perpendicular with the axis direction of arc groove 10.

When the paper roll 11 is placed on the bearing seat 2, firstly, the rotating motor 33 far away from one side of the inserting block 62 is started, the rotating motor 33 drives the cam 32 far away from one side of the inserting block 62 to rotate, the cam 32 drives the baffle 31 far away from one side of the inserting block 62 to rise, then, the paper roll 11 is placed on the cylinder 13, then, the paper roll 11 is pushed to one side of the baffle 31 from one side close to the inserting block 62, the plurality of cylinders 13 reduce the friction force between the paper roll 11 and the wall of the arc groove 10, when the end wall of the paper roll 11 is attached to the baffle 31, the rotating motor 33 near one side of the inserting block 62 is started, the rotating motor 33 drives the cam 32 near one side of the inserting block 62 to rotate, the cam 32 drives the baffle 31 near one side of the inserting block 62 to rise, at the moment, the paper roll 11 is limited between the two baffles 31, the positioning of the paper roll 11 is realized, and the accuracy in the feeding of the paper roll 11 is improved.

Referring to fig. 1, the magnetic blocks 14 are arranged on the opposite side walls of the two adjacent bearing seats 2, the two magnetic blocks 14 are connected in a magnetic adsorption manner, and the two adjacent bearing seats 2 are connected by the magnetic blocks 14, so that the stability of the bearing seats 2 during transportation is improved.

Referring to fig. 1, be equipped with photoelectric switch 15 on the lateral wall that mounting bracket 1 is close to nose bar 16, utilize photoelectric switch 15 to fix a position bearing seat 2 on mounting bracket 1, when bearing seat 2 is moved to nose bar 16's direction under the drive of link joint 43, the bearing board shelters from photoelectric switch 15, photoelectric switch 15 links to each other with the controller, when photoelectric switch 15's receiving terminal can not receive the signal, photoelectric switch 15 sends the signal of telecommunication to the controller, at this moment, mobile motor 44 stops, bearing seat 2 is static, be convenient for carry out the unloading to scroll 11 on the bearing seat 2.

The implementation principle of a transfer press adsorption paper feeding device of the embodiment of the application is as follows: when the replaced paper roll 11 is loaded, the limiting block 61 is placed at an opening of the limiting groove 7 communicated with the connecting block 5, then the limiting block 61 and the bearing seat 2 are pushed into the limiting groove 7, at the moment, the limiting block 61 and the inclined surface 9 of the inserting block 62 are extruded, the inserting block 62 moves towards the direction of the groove bottom of the sliding groove 8, the spring 63 is compressed, when the limiting block 61 moves to be attached to the side wall of the limiting groove 7, the spring 63 is released, the inserting block 62 moves towards the groove bottom far away from the sliding groove 8 under the driving of the spring 63, at the moment, the inserting block 62 limits the limiting block 61 between the limiting groove 7 and the inserting block 62, and the positioning of the limiting block 61 and the bearing seat 2 is realized; then the rotating motor 33 far away from one side of the inserting block 62 is started, the rotating motor 33 drives the cam 32 far away from one side of the inserting block 62 to rotate, the cam 32 drives the baffle 31 far away from one side of the inserting block 62 to rise, then the paper roll 11 is placed on the cylinder 13, the paper roll 11 is pushed to one side of the baffle 31 from one side close to the inserting block 62, when the end wall of the paper roll 11 is attached to the baffle 31, the rotating motor 33 near one side of the inserting block 62 is started, the rotating motor 33 drives the cam 32 near one side of the inserting block 62 to rotate, the cam 32 drives the baffle 31 near one side of the inserting block 62 to rise, at the moment, the paper roll 11 is limited between the two baffles 31, and the influence on the feeding effect caused by the deviation of the paper roll 11 in the transportation process is avoided as much as possible.

Finally, the moving motor 44 is started, the moving motor 44 drives the driving wheel 41 to rotate, the driving wheel 41 drives the chain plate 43 to rotate, and then the chain plate 43 drives the driven wheel 42 to rotate, the connecting block 5 arranged on the chain plate 43 drives the supporting seat 2 and the paper roll 11 on the supporting seat 2 to move towards the convex rod 16 along the extending direction of the mounting rack 1, when the paper roll 11 moves to the other end of the bracket 17 far away from the paper roll 11 to be replaced in the using state, at the moment, the bracket 17 is driven to rotate by the second motor 18, so that the axis of the convex rod 16 on the bracket 17 is coincident with the axis of the paper roll 11 on the supporting seat 2, the convex rod 16 is driven to extend out by the third air cylinder 19 until the convex rod 16 completely extends out and is embedded into the paper roll 11 on the supporting seat 2, the automatic installation of the paper roll 11 is realized, and the time for adjusting the position of the axis between the paper roll 11 and the convex rod 16 on the supporting seat 2 by personnel is reduced, the feeding efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a rotary press adsorption paper feeding device which characterized in that: including mounting bracket (1) and a plurality of bearing seat (2), mounting bracket (1) is used for setting up and extends between two relative nose bars (16) and along the axis direction of perpendicular to nose bar (16), bearing seat (2) are used for bearing scroll (11), and are a plurality of bearing seat (2) are followed the extending direction align to grid of mounting bracket (1), be equipped with on mounting bracket (1) and be used for driving a plurality of bearing seat (2) are followed drive assembly (4) of the extending direction motion of mounting bracket (1), and are a plurality of the both sides of bearing seat (2) all are equipped with and are used for right scroll (11) perpendicular to mounting bracket (1) extending direction carries out spacing subassembly (3).

2. A paper feeding device for a rotary press according to claim 1, characterized in that: drive assembly (4) include action wheel (41), follow driving wheel (42), link joint (43) and moving motor (44), action wheel (41) follow driving wheel (42) with mounting bracket (1) rotates to be connected, link joint (43) winding be in action wheel (41) with follow driving wheel (42) on, moving motor (44) with mounting bracket (1) fixed connection, action wheel (41) with the coaxial fixed connection of output shaft of moving motor (44), be equipped with a plurality of connecting blocks (5) on link joint (43), bearing seat (2) can dismantle the connection through installed part (6) and set up on connecting block (5).

3. A paper feeding device of a rotary press according to claim 2, characterized in that: the mounting piece (6) comprises a limiting block (61), an inserting block (62) and a spring (63), a limiting groove (7) for accommodating the limiting block (61) is arranged on the connecting block (5), the limiting groove (7) is communicated with the side wall of one side of the connecting block (5), the limiting block (61) is fixedly connected with the side wall of the bearing seat (2) facing the mounting rack (1), a sliding groove (8) used for accommodating the inserting block (62) is formed at the bottom of the limiting groove (7), the inserting block (62) moves along the height direction of the sliding groove (8), the spring (63) is arranged between the inserting block (62) and the groove bottom of the sliding groove (8), an inclined plane (9) is arranged at one end of the inserting block (62) far away from the spring (63), the distance from the inclined plane (9) to the bottom of the sliding groove (8) is reduced from one end close to the limiting block (61) to one end far away from the limiting block (61).

4. A paper feeding device of a rotary press according to claim 1, characterized in that: spacing subassembly (3) include baffle (31), cam (32) and rotation motor (33), offer on bearing seat (2) and be used for holding baffle (31) are along vertical high motion's holding tank (12), the outer fringe of cam (32) with baffle (31) orientation the lateral wall butt of mounting bracket (1), rotate motor (33) with bearing seat (2) fixed connection, rotate motor (33) with the coaxial fixed connection of cam (32).

5. A paper feeding device of a rotary press according to claim 1, characterized in that: a plurality of all be equipped with a plurality of drums (13) on the bearing seat (2), a plurality of the axis direction of drum (13) with the extending direction of mounting bracket (1) is parallel, and is a plurality of drum (13) are along the direction evenly distributed of perpendicular to mounting bracket (1).

6. A paper feeding device of a rotary press according to claim 1, characterized in that: magnetic blocks (14) are arranged on opposite side walls of every two adjacent bearing seats (2), and the two magnetic blocks (14) are connected in a magnetic adsorption mode.

7. A paper feeding device of a rotary press according to claim 1, characterized in that: the mounting rack (1) is used for being equipped with on the lateral wall that is close to the rotary drum and is used for detecting photoelectric switch (15) of the relative position of bearing seat (2).

8. A paper feeding device of a rotary press according to claim 1, characterized in that: the side wall of the bearing seat (2) far away from the mounting rack (1) is provided with an arc groove (10).

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