CN211336572U - Paper packing device for offset press - Google Patents

Abstract

The utility model discloses a paper packing device for offset press, which comprises a packing workbench arranged at the paper outlet of the printing device, wherein the packing workbench comprises a packing inclined plane and a packing plane, a flushing component is arranged on the packing inclined plane, a pressure sensor and a lifting device are arranged on the packing plane, the lifting device comprises a lifting plate, a centralized processor is coupled between the pressure sensor and the lifting device as well as between the flushing component, when the pressure sensor senses that the pressure is more than a set pressure value, the paper pile is flushed by the flushing component and then lifted to a designated position by the lifting device, mounting plates are arranged on two sides of the packing workbench in the paper conveying direction, telescopic components are arranged on the mounting plates, a fixing part is clamped on the telescopic components and comprises a spring part and clamping plates arranged at two ends, a clamping area is arranged on the lifting plate, the offset press can automatically pack paper, and is time-saving, labor-saving and labor-saving.

Description

Paper packing device for offset press

Technical Field

The utility model relates to a paper processing technology field, more specifically say, it relates to a paper packing apparatus for offset press.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. Offset presses can be divided into sheet-fed offset presses and web-fed offset presses according to different paper feeding modes; the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines; the printing method can be divided into a small offset press, a six-opening, four-opening, two-opening and full-sheet printing press according to the maximum paper breadth to be printed, and a double-sided offset press which can simultaneously complete two-side printing by one-time paper feeding is also arranged.

The sheet-fed offset press is a lithographic printing machine, is used for printing high-grade commercial printed matter, packing printed matter, is the mainstream of modern paper printing, in the work of sheet-fed offset press printing ending, need pack the transportation to the paper, need carry out the partial shipment packing when facing a large amount of papers, so not only inefficiency and waste time and energy, at the present that the human cost increases gradually, increased the cost of product itself to influence company's profit.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a paper packing apparatus for offset press, this paper packing apparatus can pack paper, labour saving and time saving, practice thrift the human cost automatically.

In order to achieve the above purpose, the utility model provides a following technical scheme: a paper packing device for an offset press comprises a packing workbench arranged at a paper outlet of a printing device, wherein the packing workbench comprises a packing inclined plane and a packing plane, the packing inclined plane is used for allowing paper to slide downwards, the packing plane is stacked after the paper slides downwards, a flushing component used for flushing a paper stack obliquely and placed between the packing plane and the packing inclined plane is arranged on the packing inclined plane, a pressure sensor used for detecting the weight of the paper on the packing plane and a lifting device capable of lifting the paper upwards are arranged on the packing plane, the lifting device comprises a lifting plate used for bearing the paper stack, a centralized processor is coupled between the pressure sensor and the lifting device and the flushing component, and when the pressure sensor senses that the pressure is greater than a set pressure value, the flushing component lifts the paper stack to a specified position by the lifting device after the paper stack;

the utility model discloses a paper stack, including packing workstation, the both sides that lie in paper direction of delivery all are provided with the mounting panel, all be provided with on the mounting panel and push away the flexible part that is close to or keeps away from towards the paper after the lifting, flexible part is last to press from both sides to put and is the state of strutting and be used for carrying out the mounting of clamping operation to both sides about the paper stack, and flexible part is close to the mounting clamp of in-process state of strutting and puts both sides about the paper stack towards the paper stack, the mounting is including the spring part that is located the middle part and set up the grip block that is used for with both sides butt about the paper at the spring part both ends, it is regional to be provided with the centre gripping that supplies mounting centre gripping paper stack.

The utility model discloses further set up to: the utility model discloses a packing inclined plane, including packing inclined plane, driving part, two gag lever posts, driving part and driving belt, the gag lever posts are provided with two and set up along packing inclined plane central line symmetry on the packing inclined plane along its width direction slip, are provided with the drive assembly that can two gag lever posts of synchronous drive reverse equidistance remove between two gag lever posts, drive assembly is including drive belt and the live-rollers that is used for driving drive belt along packing inclined plane width direction circular motion, the one end of gag lever post is provided with the connection extension, and two gag lever posts are connected with the drive belt of live-rollers top and the drive belt of live-rollers below respectively through connecting the extension, and another gag lever.

The utility model discloses further set up to: the packaging device is characterized in that a rotating motor for driving the rotating roller to rotate is arranged in the packaging inclined plane, and a rotating switch for controlling the rotating motor to be turned on and turned off is arranged on the outer side wall of the packaging inclined plane.

The utility model discloses further set up to: the flushing component comprises a flushing plate which is arranged at the junction of the packaging inclined plane and the packaging plane and is used for flushing a paper stack obliquely stacked between the packaging plane and the packaging inclined plane, a flushing groove which is arranged on the packaging inclined plane and is used for embedding the flushing plate, and a driving motor which is used for driving the flushing plate to rotate to be vertical to the packaging plane from the packaging inclined plane, wherein the depth dimension of the flushing groove is consistent with the thickness dimension of the flushing plate.

The utility model discloses further set up to: the telescopic part is including the telescopic link and set up on telescopic link front end lateral wall and supply the mounting clamp that struts to put the operating parts and be used for controlling the operating parts and return the control switch that contracts or stretch out, the telescopic link is "protruding" word structure setting, all be provided with the mounting groove that supplies telescopic part embedding on the inside wall of mounting panel, the one side that lies in the operating parts in the mounting panel is provided with the transfer passage who is linked together with the mounting groove, be provided with the mounting bracket that supplies the mounting clamp that struts to put in the transfer passage, the length dimension that the height dimension of mounting bracket and operating parts strut is unanimous mutually, the one end that transfer passage kept away from the mounting groove is provided with the promotion part that can promote the mounting and remove to the mounting groove, be provided with on the mounting panel and can put into the opening of placing to.

The utility model discloses further set up to: the placing opening is formed in the outer side wall of the mounting plate, a rotating door is hinged into the placing opening, a connecting part connected with a pushing part is arranged on the inner side wall of the rotating door, the connecting part can drive the pushing part to release the pushing effect on the fixing part in the opening process of the rotating door, and a door handle for a user to conveniently hold is arranged on the outer side wall of the rotating door.

The utility model discloses further set up to: the control switch comprises an inductive switch or an elastic push button switch.

The utility model discloses further set up to: the inner side wall of one mounting plate is provided with a push plate which can push the paper stack on the lifting device after resetting away from the packaging plane, and the other mounting plate is provided with a conveying opening for pushing the push plate to push the paper stack to leave.

The utility model discloses further set up to: a guide rod used for enabling the clamping plates to move horizontally along the length direction of the spring part is arranged between the two clamping plates, the guide rod is fixedly connected with one clamping plate, and a guide hole for the guide rod to penetrate through is formed in the other clamping plate.

To sum up, the utility model discloses following beneficial effect has: 1. the upper end and the lower end of the left side and the lower end of the right side of the printed paper are clamped, so that the paper is prevented from being scattered due to factors such as shaking and blowing in the transportation process in the subsequent transportation process, the workload of subsequent workers is reduced, the application of human resources is reduced, and the operation cost of a company is reduced; 2. the paper packaging machine can control paper with a certain weight and pack the paper with the certain weight, so that the paper with the certain weight is directly packaged in batches in the subsequent packaging process, and the effects of saving time and labor are achieved; the fixing piece not only can play a role of facilitating clamping and firmly clamping, but also can not damage paper in the dismounting process, and the fixing piece can be repeatedly utilized after being dismounted, so that the effect of saving resources is achieved.

Drawings

FIG. 1 is a left side schematic view of a three-dimensional structure of a packaging device;

FIG. 2 is a front perspective view of the packaging device;

FIG. 3 is a schematic perspective view of a stop lever;

FIG. 4 is a perspective view of the fixing member;

FIG. 5 is a schematic perspective view of the telescopic rod;

fig. 6 is a schematic perspective view of the conveyance passage.

Reference numerals: 1. a packing workbench; 11. mounting a plate; 12. a telescopic member; 121. a telescopic rod; 122. an operating member; 123. a control switch; 13. a fixing member; 131. a spring member; 132. a clamping plate; 133. a guide bar; 134. A guide hole; 14. mounting grooves; 15. a delivery channel; 151. mounting a bracket; 152. a pushing member; 153. placing the opening; 154. a rotating door; 155. a connecting member; 156. a door handle; 16. pushing the plate; 17. a delivery port; 2. Packaging the inclined plane; 21. a flush component; 211. leveling; 212. leveling the groove; 213. a drive motor; 22. a limiting rod; 221. a drive belt; 222. a rotating roller; 223. connecting the extension parts; 3. packing the plane; 31. lifting the plate; 32. a clamping area.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 6, in order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an offset press is with paper packing apparatus, including installing packing workstation 1 at the printing device exit slot, packing workstation 1 is including the packing inclined plane 2 that the paper supply slided downwards and the packing plane 3 that stacks after the paper supply glides, this packing workstation 1 set up can make the paper after accomplishing the printing stack up on packing inclined plane 2 gliding to packing plane 3 along packing inclined plane, the paper can slide down along glossy packing inclined plane 2 under the effect of self gravity, pile up gradually on packing plane 3 and lean on packing inclined plane 2 to one side. The packaging inclined plane 2 is provided with a leveling part 21 for leveling a paper stack obliquely stacked between the packaging plane 3 and the packaging inclined plane 2, the leveling part 21 is arranged to gradually level one side of the paper stack obliquely stacked between the packaging plane 3 and the packaging inclined plane 2, the packaging plane 3 is provided with a pressure sensor for detecting the weight of paper on the packaging plane 3 and a lifting device capable of lifting the paper upwards, the lifting device comprises a lifting plate 31 for bearing the paper stack, a centralized processor is coupled between the pressure sensor and the lifting device as well as the leveling part 21, and when the pressure sensor senses that the pressure is greater than a set pressure value, the leveling part 21 levels the paper stack and then the lifting device lifts the paper stack to a designated position;

this centralized processor plays the effect that this paper packing apparatus starts, closes in the cooperation of pressure sensor, and the paper that slides down on packing plane 3 increases gradually, to packing plane 3 pressure increase gradually until be greater than with the centralized processor in when the pressure value of setting for, flush part 21 will pile up the paper that is between packing plane 3 and packing inclined plane 2 to one side and flush, and lifting device lifts the paper pile from packing plane 3 when flushing the completion back, and the lifting is to assigned position department.

The two sides of the packing workbench 1 in the paper conveying direction are both provided with mounting plates 11, the mounting plates 11 are both provided with telescopic parts 12 capable of pushing the lifted paper close to or away from the paper, the telescopic parts 12 are clamped with fixing pieces 13 for clamping and fixing the upper side and the lower side of the paper stack, and when the paper stack is lifted to a specified position, the subsequent fixing pieces 13 can be clamped and placed on the upper side and the lower side of the paper through clamping areas 32 under the operation of the telescopic parts 12, so that the fixed packing operation of the paper is completed; the fixing member 13 includes a spring member 131 located in the middle and a clamping plate 132 disposed at two ends of the spring member 131 and used for abutting against the upper and lower sides of the paper, a clamping area 32 for clamping the paper stack by the fixing member 13 is disposed on the lifting plate 31, and the fixing member 13 is designed as follows: the design fixing piece 13 of the middle spring piece 131 can play a role in stably clamping paper stacks with different thicknesses; the upper side and the lower side of the paper stack can be smoothly clamped and fixed through the design of the two-end clamping plates 132, and the clamping is firm and stable; in addition, the fixing member 13 can be repeatedly used after being detached, thereby achieving the effect of saving resources. The lifting plate 31 is further provided with a clamping area 32, and the clamping area 32 is roughly divided into the following cases: 1. when the width dimension of the lifting plate 31 is shorter than the width dimension of the sheet, the nip area 32 is an area where the lifting plates 31 on both sides in the width direction do not abut against the sheet; 2. When the length of the lifting plate 31 is shorter than the length of the sheet, the nip area 32 is an area where the lifting plates 31 on both sides in the longitudinal direction do not abut against the sheet; 3. the lifting plate 31 is provided with a special concave structure which can be matched with the clamping operation of the middle fixing piece 13, the concave structure is a clamping area 32, the method is a preferable method, the paper clamping device is suitable for paper with different length sizes and different width sizes, and the application range is wide. When the clamping of the fixing element 13 is completed the lifting device is moved downwards until it is reset.

The design of the paper packing device can achieve the following advantages: 1. the upper end and the lower end of the left side and the lower end of the right side of the printed paper are clamped, so that the paper is prevented from being scattered due to factors such as shaking and blowing in the transportation process in the subsequent transportation process, the workload of subsequent workers is reduced, the application of human resources is reduced, and the operation cost of a company is reduced; 2. the paper of certain weight can be controlled, the operation of packing is carried out to the paper of certain weight to directly pack the paper of certain weight in batches in subsequent packaging process, play the effect of labour saving and time saving.

The packing inclined plane 2 is connected with the gag lever post 22 along its width direction slides, the gag lever post 22 is provided with two and set up along packing inclined plane 2 central line symmetry, be provided with the drive assembly that can the reverse equidistance of two gag lever posts 22 of synchronous drive removes between two gag lever posts 22, the drive assembly is including drive belt 221 and the live-rollers 222 that is used for driving drive belt 221 along packing inclined plane 2 width direction circular motion, the one end of gag lever post 22 is provided with connects extension 223, two gag lever posts 22 are connected with drive belt 221 and the drive belt 221 of live-rollers 222 below above the live-rollers 222 respectively through connecting extension 223, another gag lever post 22 removes the same distance along the opposite direction in the drive a gag lever post 22 removal process.

The arrangement of the limiting rod 22 can ensure that paper does not deviate and rotate and shift in the downward sliding process of the paper along the packing inclined plane 2, ensure that the paper stack sliding to the packing plane 3 is relatively flat, the limiting rods 22 are symmetrically arranged along the central line of the packing inclined plane 2, and are still symmetrical along the central line in the moving process, so that the paper sliding down always slides down along the center of the packing inclined plane 2, ensure the accuracy of the sliding down position, ensure the stability of the subsequent operation, and through the design of the driving part, a user can make the driving belt 221 connected with the limiting rod 22 do circumferential motion along the rotating roller 222 when pushing one limiting rod 22 manually, so that the limiting rod 22 in the other direction of the rotating roller 222 moves towards the opposite direction for the same distance, and the distance between the two limiting rods 22 can be accurately controlled, and the two limiting rods 22 are symmetrical along the central line of the packing inclined plane 2 all the time, the width which is most suitable for conveying paper is adjusted, and the control is sensitive and accurate to ensure the smoothness of the paper conveying process.

The packing inclined plane 2 is internally provided with a rotating motor for driving the rotating roller 222 to rotate, the outer side wall of the packing inclined plane 2 is provided with a rotating switch for controlling the rotating motor to open and close, and the rotating motor is set to adjust the distance between the two limiting rods 22 in an electric mode, so that the rotating motor can move conveniently and quickly, and is time-saving, labor-saving and convenient to control.

The flush component 21 comprises a flush plate 211 which is arranged at the junction of the packaging inclined plane 2 and the packaging plane 3 and is hinged to flush a paper stack obliquely stacked between the packaging plane 3 and the packaging inclined plane 2, a flush groove 212 which is arranged on the packaging inclined plane 2 and is used for embedding the flush plate 211, and a driving motor 213 which is used for driving the flush plate 211 to rotate from the packaging inclined plane 2 to be vertical to the packaging plane 3, wherein the depth dimension of the flush groove 212 is consistent with the thickness dimension of the flush plate 211, the flush plate 211 can only rotate to a position vertical to the packaging plane 3, the situation that the paper stack is inclined and disordered due to excessive rotation is avoided, the flush plate 211 is prevented from excessively rotating, the situation that the paper stack is pushed to the paper stack is avoided, in addition, the flush groove 212 is arranged on the packaging inclined plane 2, when the flush plate 211 is completely embedded into the flush groove 212, the outer side wall of the flush plate 211 can be flush with the outer side wall of the packaging inclined, so that the leveling plate 211 and the baling inclined surface 2 form a flat inclined surface, thereby ensuring a flat path during the sliding of the paper.

The telescopic part 12 comprises a telescopic rod 121, an operation part 122 arranged on the side wall of the front end of the telescopic rod 121 and used for clamping the spread fixing piece 13, and a control switch 123 used for controlling the operation part 122 to retract or extend, telescopic link 121 is "protruding" word structure setting, all be provided with the mounting groove 14 that supplies telescopic part 12 to imbed on the inside wall of mounting panel 11, the one side that lies in operating part 122 in the mounting panel 11 is provided with the transfer passage 15 that is linked together with mounting groove 14, be provided with the installing support 151 that the mounting 13 clamp that supplies to strut in the transfer passage 15 was put, the height dimension of installing support 151 is unanimous with the length dimension that operating part 122 strutted, the one end that transfer passage 15 kept away from mounting groove 14 is provided with the pushing member 152 that can promote mounting 13 and remove to mounting groove 14, be provided with on the mounting panel 11 and place opening 153 in can putting into transfer passage 15 with mounting 13.

The design of the mounting groove 14 and the conveying channel 15 can enable the telescopic rod 121 to be retracted into the mounting groove 14, when the pushing component 152 transfers the fixing part 13 in the conveying channel 15 to the operating part 122, automatic charging operation is realized, the pushing component 152 is like an elastic pushing component in a stapler, the fixing part 13 clamped on the mounting bracket 151 can be pushed into the mounting groove 14 all the time, the telescopic rod 121 is arranged in a convex structure, and the telescopic rod can mainly play the following two states: 1. when the telescopic rod 121 retracts into the mounting groove 14, the area at the outlet end of the conveying channel 15 is the narrower area at the front end of the telescopic rod 121, the operating part 122 is arranged in the narrower area and faces the outlet end of the conveying channel 15, the fixing parts 13 are in an expanded state, are transferred to the operating part 122 through the outlet end of the conveying channel 15 under the action of the pushing part 152, the charging is completed, and an integral number of fixing parts 13 can be placed in the area of the operating part 122; 2. when the telescopic link 121 stretches out, the region of telescopic link 121 rear end broad can block up the exit end of transfer passage 15 all the time, prevents that mounting 13 from transferring out to ensure only when telescopic link 121 is in the time of retracting in mounting groove 14 and just can carry out the operation of feeding, ensure that accident can not take place. In addition, the user can add fasteners 13 to the delivery channel 15 through the placement openings 153, thereby continuously increasing the number of uses of the device.

The placing opening 153 is arranged on the outer side wall of the mounting plate 11, the placing opening 153 is internally hinged with a rotating door 154, the inner side wall of the rotating door 154 is provided with a connecting part 155 connected with the pushing part 152, the connecting part 155 can drive the pushing part 152 to release the pushing action on the fixing piece 13 when the rotating door 154 is opened, the outer side wall of the rotating door 154 is provided with a door handle 156 which is convenient for a user to hold, the rotating door 154 is designed to keep the conveying channel 15 sanitary, under the condition of not using the device for a long time, the fixing piece 13 in the conveying channel 15 can be ensured to be always in a good standby state, the oxidation speed of the spring piece 131 is reduced, the elastic force of the spring piece 131 is prevented from seriously changing, besides, the rotating door 154 can play a limiting role on the fixing piece 13 in the conveying channel 15 under the closing state, and, and through the design of the connecting part 155, the connecting part 155 can release the pushing effect of the fixing piece 13 when the rotating door 154 is opened, thereby facilitating the adding and releasing of the fixing piece 13.

The control switch 123 comprises an induction switch and an elastic push button switch, the induction switch is a distance induction switch, the infrared induction device can be used, when the paper stack and the induction switch reach an induction distance, the induction switch controls the operating part 122 to retract, when the telescopic rod 121 retracts, the induction switch leaves the paper stack to be separated from the induction distance, the telescopic rod 121 stretches out again, the induction switch can set different induction distances according to the clamping plates 132 with different lengths, the use is flexible and convenient, and the infrared induction device belongs to an optimal scheme; elasticity pushes away button switch and is pushed away button switch through piling butt, elasticity with the paper and pushed forward gradually for operating parts 122 retracts, and when the paper was piled to keeping away from as telescopic link 121, elasticity pushed away button switch and pops out again, makes operating parts 122 recover, and this design cost is lower, saves the spending, and later maintenance is convenient.

Install on the inside wall of a mounting panel 11 and to push away the push pedal 16 that the packing plane 3 was left to the pile of paper on the lifting device reset back, be provided with on another mounting panel 11 and supply push pedal 16 to promote the transport opening 17 that the pile of paper left, this push pedal 16 and the design of transport opening 17 can be with packing the paper pile that has been packed on the packing plane 3 and accomplished and the feedback packing plane 3 and shift out packing plane 3 for the pressure-sensitive device restart of packing plane 3, thereby carry out next operation.

A guide rod 133 used for enabling the clamping plates 132 to move horizontally along the length direction of the spring piece 131 is arranged between the two clamping plates 132, the guide rod 133 is fixedly connected with one clamping plate 132, a guide hole 134 for the guide rod 133 to penetrate through is formed in the other clamping plate 132, and the arrangement of the guide hole 134 and the guide rod 133 can ensure that the clamping plates 132 are always perpendicular to the spring piece 131 when the spring piece 131 extends or contracts, the two clamping plates 132 are parallel and cannot be inclined, and the clamping is stable enough.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides an offset press is with paper packing apparatus, characterized by is including installing packing workstation (1) at printing device exit slot, packing workstation (1) is including supplying paper packing inclined plane (2) that slides downwards and supplying paper packing plane (3) of stacking after gliding, be provided with on packing inclined plane (2) and be used for piling paper stack flush part (21) between packing plane (3) and packing inclined plane (2) to one side, be provided with on packing plane (3) and detect the pressure sensors of paper weight on packing plane (3) and can be with the lifting device of paper upwards lifting, the lifting device is including lifting board (31) that are used for accepting the paper stack, pressure sensors and lifting device and flushing part (21) between be coupled with the centralized processing ware, when pressure sensors sense pressure is greater than the settlement pressure value leveling part (21) and flush the back device with the paper stack and lift the paper and rise to indicate the paper stack to lift the device and indicate Positioning;

mounting plates (11) are arranged on two sides of the packing workbench (1) in the paper conveying direction, the mounting plates (11) are provided with telescopic parts (12) which can push the lifted paper close to or away from the paper, the telescopic component (12) is clamped with a fixing piece (13) which is in an expanded state and is used for clamping and fixing the upper side and the lower side of the paper stack, the telescopic component (12) clamps the expanded fixing piece (13) on the upper side and the lower side of the paper stack in the process of approaching the paper stack, the fixing piece (13) comprises a spring piece (131) positioned in the middle and clamping plates (132) arranged at two ends of the spring piece (131) and used for being abutted against the upper side and the lower side of the paper, the lifting plate (31) is provided with a clamping area (32) for the fixing piece (13) to clamp the paper stack, and when the fixing piece (13) finishes clamping, the lifting device moves downwards until the lifting device is reset.

2. The paper sheet packaging apparatus for an offset printing press according to claim 1, wherein: the packing inclined plane (2) is connected with a limiting rod (22) along the width direction in a sliding way, the two limiting rods (22) are symmetrically arranged along the central line of the packing inclined plane (2), a driving part capable of synchronously driving the two limiting rods (22) to move reversely and equidistantly is arranged between the two limiting rods (22), the driving part comprises a driving belt (221) and a rotating roller (222) for driving the driving belt (221) to circularly move along the width direction of the packing inclined plane (2), one end of each limiting rod (22) is provided with a connecting extension part (223), the two limiting rods (22) are respectively connected with a driving belt (221) above the rotating roller (222) and a driving belt (221) below the rotating roller (222) through the connecting extension parts (223), and the other limiting rod (22) moves for the same distance along the opposite direction in the moving process of one limiting rod (22).

3. The paper sheet packaging apparatus for an offset printing press according to claim 2, wherein: the packaging device is characterized in that a rotating motor for driving the rotating roller (222) to rotate is arranged in the packaging inclined plane (2), and a rotating switch for controlling the rotating motor to be turned on and turned off is arranged on the outer side wall of the packaging inclined plane (2).

4. The paper sheet packaging apparatus for an offset printing press according to claim 1, wherein: the flushing component (21) comprises a flushing plate (211) hinged to the junction of the packaging inclined plane (2) and the packaging plane (3) and used for flushing a paper stack obliquely stacked between the packaging plane (3) and the packaging inclined plane (2), a flushing groove (212) arranged on the packaging inclined plane (2) and used for embedding the flushing plate (211), and a driving motor (213) used for driving the flushing plate (211) to rotate from the packaging inclined plane (2) to be vertical to the packaging plane (3), wherein the depth of the flushing groove (212) is consistent with the thickness of the flushing plate (211).

5. The paper sheet packaging apparatus for an offset printing press according to claim 1, wherein: telescopic part (12) including telescopic link (121) and set up on telescopic link (121) front end lateral wall and supply the mounting (13) that struts to press from both sides operating parts (122) put and be used for controlling operating parts (122) and retract or the control switch (123) that stretch out, telescopic link (121) are "protruding" word structure setting, all be provided with on the inside wall of mounting panel (11) and supply mounting groove (14) of telescopic part (12) embedding, one side that is located operating parts (122) in mounting panel (11) is provided with delivery channel (15) that are linked together with mounting groove (14), be provided with in delivery channel (15) and supply the mounting (13) that strut to press from both sides installing support (151) put, the height dimension of installing support (151) is unanimous with the length dimension that operating parts (122) strut, the one end that delivery channel (15) kept away from mounting groove (14) is provided with and can push away from the promotion that fixing (13) removed to mounting groove (14) and push away from And the component (152), wherein a placing opening (153) capable of placing the fixing piece (13) into the conveying channel (15) is arranged on the mounting plate (11).

6. The paper sheet packaging apparatus for an offset printing press according to claim 5, wherein: the placing opening (153) is arranged on the outer side wall of the mounting plate (11), a rotating door (154) is hinged in the placing opening (153), a connecting part (155) connected with the pushing part (152) is arranged on the inner side wall of the rotating door (154), the connecting part (155) can drive the pushing part (152) to release the pushing effect on the fixing part (13) in the opening process of the rotating door (154), and a door handle (156) which is convenient for a user to hold is arranged on the outer side wall of the rotating door (154).

7. The paper sheet packaging apparatus for an offset printing press according to claim 5, wherein: the control switch (123) comprises an inductive switch or an elastic push button switch.

8. The paper sheet packaging apparatus for an offset printing press according to claim 1, wherein: a push plate (16) capable of pushing the paper stack on the lifting device after being reset away from the packing plane (3) is arranged on the inner side wall of one mounting plate (11), and a conveying opening (17) for pushing the paper stack away by the push plate (16) is formed in the other mounting plate (11).

9. The paper sheet packaging apparatus for an offset printing press according to claim 1, wherein: a guide rod (133) used for enabling the clamping plates (132) to translate along the length direction of the spring piece (131) is arranged between the two clamping plates (132), the guide rod (133) is fixedly connected with one clamping plate (132), and a guide hole (134) for the guide rod (133) to penetrate through is formed in the other clamping plate (132).

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