CN211545457U

CN211545457U - Printed matter folding device

Info

Publication number: CN211545457U
Application number: CN201922074986.8U
Authority: CN
Inventors: 率伟选; 王鹏程; 李金文
Original assignee: Henan Daily Newspaper Group Dahe Printing Co ltd
Current assignee: Henan Daily Newspaper Group Dahe Printing Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-22
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a printed matter folding device, which comprises a frame and a conveying platform; the conveying table is provided with a paper feeding groove penetrating through the upper surface and the lower surface of the conveying table; one side of the conveying platform is provided with a paper feeding mechanism which comprises a paper pressing knife arranged above the paper feeding groove and a transmission shaft rotatably supported on the rack; a connecting block is fixed on the transmission shaft, a swing arm is fixed on the connecting block, and the other end of the swing arm is detachably connected with the paper pressing knife; the frame is provided with a motor, the motor is connected with a speed reducer, and an output shaft of the speed reducer is connected with a driving device capable of driving the transmission shaft to rotate in a reciprocating manner; the conveying mechanism comprises a connecting shaft which is rotatably supported below the paper feeding groove, a paper shifting plate is coaxially fixed on the connecting shaft, and a conveying belt is arranged below the paper shifting plate; the connecting shaft is connected with the speed reducer through chain transmission. The utility model discloses a carry out synchronous drive to the swing arm with dial the paper dish, have the effect of guaranteeing that the paper conveys with fixed frequency.

Description

Printed matter folding device

Technical Field

The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to a printed matter folding device is related to.

Background

When a printing enterprise produces paper books such as newspapers, magazines and books, each page of the books is printed independently, and then a folding device is used for folding a crease in the middle of the paper so as to facilitate binding.

At present, the patent document with the publication number of CN206318555U discloses a paper folding mechanism, which comprises a frame, be provided with reciprocal wobbling pendulum rod and spiral capstan in the frame, spiral capstan fixes respectively through the base the pendulum rod swing position both sides, but spiral capstan is connected and the horizontal rotation with the vertical pivot of motor, and the pendulum rod passes through drive arrangement and drives, and pendulum rod and spiral capstan below still correspond and are provided with the conveyer belt, and the frame sets up the paper import in the pendulum rod top.

The above paper folding mechanism has the following defects: the paper is bent by the forward and backward swinging of the swing rod and then enters the spiral capstan to be folded, but because the accumulated error is generated between the forward and backward swinging frequency of the swing rod and the rotating frequency of the spiral capstan due to time, the paper conveying frequency is easy to change after long time, and the normal production is influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence among the above-mentioned prior art, the utility model aims at providing a printed matter folding device, it is through carrying out synchronous drive to the swing arm with group paper dish, has the effect of guaranteeing that the paper conveys with fixed frequency.

The above object of the present invention is achieved by the following technical solutions:

a printed matter folding device comprises a frame and a conveying table arranged on the frame and used for conveying paper; the conveying table is provided with a paper feeding groove penetrating through the upper surface and the lower surface of the conveying table; a paper feeding mechanism is arranged on one side of the conveying table, and comprises a paper pressing knife arranged above the paper feeding groove and a transmission shaft rotatably supported on the rack; a connecting block is fixed on the transmission shaft, a swinging arm is fixed on the connecting block, and the other end of the swinging arm is detachably connected with the paper pressing knife; the frame is provided with a motor, the motor is connected with a speed reducer, and an output shaft of the speed reducer is connected with a driving device capable of driving the transmission shaft to rotate in a reciprocating manner; a folding mechanism for folding the paper is arranged below the paper feeding groove, and a conveying mechanism for conveying the paper is arranged below the folding mechanism; the conveying mechanism comprises a connecting shaft which is rotatably supported below the paper feeding groove, a paper shifting plate is coaxially fixed on the connecting shaft, and a conveying belt is arranged below the paper shifting plate; a first chain wheel is coaxially fixed on the connecting shaft, a second chain wheel is coaxially fixed on an output shaft of the speed reducer, and the first chain wheel and the second chain wheel are in transmission connection through a chain.

By adopting the technical scheme, when the motor drives the speed reducer to rotate, the speed reducer can drive the transmission shaft to rotate in a reciprocating manner through the driving mechanism, so that the swing arm is driven to swing up and down, and the action that the paper pressing knife presses paper downwards is realized; meanwhile, the speed reducer can drive the connecting shaft to rotate so as to drive the paper shifting plate to rotate, so that the swinging arm swings up and down to drive the paper pressing knife to feed paper at a frequency synchronous with the rotating frequency of the paper shifting plate, and the paper conveying frequency is guaranteed to be fixed.

The utility model discloses a further set up to: the driving device comprises a supporting box fixed on the rack, and one side surface of the supporting box faces the conveying table and is provided with an opening; the driving device also comprises a toothed frame which is in sliding fit in the supporting box, a first rack is arranged on the edge of the inner frame of the toothed frame, and a second rack is arranged on the edge of the outer frame of the toothed frame, which corresponds to the opening of the supporting box; a transmission gear is coaxially fixed on the transmission shaft and is meshed with the second rack; the driving device also comprises an incomplete gear which is rotatably supported in the inner frame of the gear frame, and an output shaft of the speed reducer is coaxially fixed with the incomplete gear.

By adopting the technical scheme, the speed reducer rotates to drive the incomplete gear to rotate, and the incomplete gear is sequentially meshed with the two first racks of the inner frame of the gear frame, so that the gear frame moves up and down in the supporting box; the second rack can be moved up and down by moving the gear frame up and down, so that the transmission gear is driven to rotate in a reciprocating manner, and the transmission shaft is driven to rotate in a reciprocating manner.

The utility model discloses a further set up to: the folding mechanism comprises two paper pressing rollers which are rotatably supported below the paper feeding groove, and the two paper pressing rollers are arranged in parallel and parallel to the length direction of the paper feeding groove; the two paper pressing rollers are mutually attached and arranged right below the paper feeding groove; and a second motor is coaxially fixed on the output shaft of one of the paper pressing rollers.

By adopting the technical scheme, after the paper is pressed into the space between the two paper pressing rollers from the paper feeding groove by the paper pressing knife, the second motor drives the two paper pressing rollers to be mutually occluded, and the paper can be folded after passing through the space between the two paper pressing rollers.

The utility model discloses a further set up to: the paper pressing rollers are provided with convex edges, and the convex edges on the two paper pressing rollers are arranged correspondingly to each other.

Through adopting above-mentioned technical scheme, the bead has improved the frictional force between dancer roll and the paper, is favorable to making the smooth entering of paper between two dancer rolls, improves the folding success rate of paper.

The utility model discloses a further set up to: a flange plate is fixedly arranged at the end part of the swing arm connected with the paper pressing knife, a plurality of threaded holes are formed in the flange plate, and the threaded holes are uniformly arranged on the flange plate at intervals; the paper pressing knife is provided with a mounting hole corresponding to the threaded hole, the mounting hole is a threaded hole, and the paper pressing knife is fixed with the flange plate through bolts penetrating through the threaded hole and the mounting hole.

Through adopting above-mentioned technical scheme, when pressing the paper sword and need changing, spin down the dismantlement that can accomplish the paper sword with the bolt from the ring flange to realized pressing the demountable installation of paper sword.

The utility model discloses a further set up to: the speed reducer adopts a worm gear speed reducer.

Through adopting above-mentioned technical scheme, worm gear reducer has the function of auto-lock, and when the motor stall back, the swing arm will realize static immediately, avoids the gravity reverse drive transmission shaft rotation of swing arm.

The utility model discloses a further set up to: the upper surface of the conveying table is provided with a plurality of paper pressing belts, and the paper pressing belts are parallel to the length direction of the paper feeding groove.

Through adopting above-mentioned technical scheme, press the paper area and can play the bandwagon effect of injecing to the position of paper, be favorable to avoiding the air current to blow down the paper on the conveying bench, influence the production progress.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the motor drives the speed reducer to rotate, the speed reducer can drive the transmission shaft to rotate in a reciprocating manner through the driving mechanism, so that the swinging arm is driven to swing up and down, and the action that the paper pressing knife presses paper downwards is realized; meanwhile, the speed reducer can also drive the connecting shaft to rotate so as to drive the paper shifting disc to rotate, so that the swinging arm swings up and down to drive the paper pressing cutter to feed paper at a frequency synchronous with the rotating frequency of the paper shifting disc, and the paper conveying frequency is ensured to be fixed;

2. the reducer drives the incomplete gear to rotate in the gear frame, so that the gear frame can move up and down in a reciprocating manner, and the transmission shaft is driven to rotate in a reciprocating manner; the two paper pressing rollers are mutually occluded to realize the folding of the paper; the convex edges improve the friction force between the paper pressing roller and the paper;

3. the dismounting of the paper pressing knife can be completed by screwing down the bolt from the flange plate; the worm gear reducer has a self-locking function, and the transmission shaft is prevented from being driven to rotate by the gravity of the swing arm in a reverse direction; the paper pressing belt is beneficial to avoiding the influence on the production progress caused by the fact that the paper on the conveying table is blown down by air flow.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the support box;

FIG. 4 is a schematic view showing a folding mechanism;

fig. 5 is an exploded view of the paperweight blade and swing arm.

In the figure, 1, a frame; 2. a transfer table; 21. a paper feeding slot; 22. pressing the paper tape; 3. a paper feeding mechanism; 31. a paper pressing knife; 311. mounting holes; 32. a drive shaft; 33. connecting blocks; 34. a swing arm; 341. a flange plate; 4. a drive device; 41. a support box; 42. a toothed frame; 421. a first rack; 422. a second rack; 43. a transmission gear; 44. an incomplete gear; 51. an electric motor; 52. a speed reducer; 521. a second sprocket; 6. a folding mechanism; 61. a platen roller; 611. a rib; 62. a second motor; 7. a transport mechanism; 71. a connecting shaft; 711. a first sprocket; 72. a paper shifting disc; 73. and (4) a conveyor belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a printed matter folding device disclosed by the present invention comprises a frame 1 and a conveying table 2 disposed on the frame 1 for conveying paper; the conveying table 2 is provided with a paper feeding groove 21, and the paper feeding groove 21 penetrates through the upper surface and the lower surface of the conveying table 2; the upper surface of the conveying table 2 is provided with a plurality of paper pressing belts 22, and the length directions of the paper pressing belts 22 and the paper feeding groove 21 are parallel to each other, so that the influence on the production progress caused by the fact that the paper on the conveying table 2 is blown down by air flow can be avoided; a paper feeding mechanism 3 for pressing the paper into the paper feeding groove 21 is arranged at one side of the conveying platform 2; referring to fig. 3, a folding mechanism 6 for folding the sheet is provided below the sheet feeding groove 21, and a transport mechanism 7 for transporting the sheet is provided below the folding mechanism 6; during operation, paper moves to the paper feeding groove 21 through the conveying table 2, enters the paper feeding groove 21 under the action of the paper feeding mechanism 3, and can be folded through the folding mechanism 6, and the conveying mechanism 7 is used for conveying the folded paper.

Referring to fig. 1, the paper feeding mechanism 3 includes a paper pressing blade 31, the paper pressing blade 31 is disposed above the paper feeding slot 21, and a blade of the paper pressing blade 31 is disposed parallel to a length direction of the paper feeding slot 21; the paper feeding mechanism 3 further comprises a transmission shaft 32 rotatably supported on the frame 1, a connecting block 33 is fixed on the transmission shaft 32, a swing arm 34 is fixedly connected on the connecting block 33, and the swing arm 34 is arranged perpendicular to the transmission shaft 32; one end of the swing arm 34 is fixed on the connecting block 33, the other end is detachably connected with the knife surface of the paper pressing knife 31, and the swing arm 34 is perpendicular to the knife surface of the paper pressing knife 31; the drive shaft 32 is connected to a drive device 4 capable of driving the drive shaft 32 to rotate reciprocally.

Referring to fig. 1 and 3, the driving device 4 includes a supporting box 41 fixed on the frame 1, the supporting box 41 has a rectangular parallelepiped hollow structure, and one side surface of the supporting box 41 faces the transfer table 2 and is provided with an opening; the driving device 4 further comprises a toothed frame 42 which is in sliding fit in the supporting box 41, a first rack 421 is arranged on the edge of the inner frame of the toothed frame 42, and a second rack 422 is arranged on the edge of the outer frame of the toothed frame 42 corresponding to the opening of the supporting box 41; a transmission gear 43 is coaxially fixed on the transmission shaft 32, and the transmission gear 43 is meshed with the second rack 422; the driving device 4 further comprises an incomplete gear 44 rotatably supported in the inner frame of the toothed frame 42, the incomplete gear 44 simultaneously being capable of engaging with only one edge of the second rack 422; a motor 51 is fixedly arranged on the frame 1, the motor 51 is connected with a speed reducer 52, and an output shaft of the speed reducer 52 is coaxially fixed with the incomplete gear 44; the reducer 52 adopts a worm reducer 52 to realize the self-locking function; during operation, the motor 51 drives the speed reducer 52, and the speed reducer 52 drives the incomplete gear 44 to rotate, so as to drive the gear frame 42 to move up and down in the supporting box 41, and further drive the transmission gear 43 to rotate in a reciprocating manner, thereby realizing reciprocating driving of the transmission shaft 32.

Referring to fig. 4, the folding mechanism 6 includes two platen rollers 61 rotatably supported below the paper feed slot 21, the two platen rollers 61 being disposed parallel to each other and parallel to the length direction of the paper feed slot 21; the two paper pressing rollers 61 are mutually attached and arranged right below the paper feeding groove 21; the paper pressing rollers 61 are provided with the convex ribs 611, and the convex ribs 611 on the two paper pressing rollers 61 are arranged correspondingly to each other, so that the friction between the paper pressing rollers and the paper can be improved, and the folding success rate can be ensured; a second motor 62 is coaxially fixed on an output shaft of one of the platen rollers 61, and the second motor 62 can drive the two platen rollers 61 to be meshed with each other by rotation, so that the folding of the paper is realized.

Referring to fig. 2 and 4, the conveying mechanism 7 includes a connecting shaft 71 rotatably supported right below the platen roller 61, and two spaced apart paper-poking trays 72 are coaxially fixed on the connecting shaft 71 for guiding the paper; a conveyor belt 73 for conveying paper is arranged below the paper poking tray 72, and the folded paper falling from between the two paper pressing rollers 61 is conveyed onto the conveyor belt 73 under the action of the paper poking tray 72 to realize the conveying of the paper; a first chain wheel 711 is coaxially fixed on the connecting shaft 71, a second chain wheel 521 is coaxially fixed on an output shaft of the speed reducer 52, and the first chain wheel 711 and the second chain wheel 521 are in transmission connection through a chain; when the motor 51 drives the speed reducer 52 to rotate, the speed reducer 52 can drive the connecting shaft 71 to rotate while driving the swing arm 34 to swing up and down, so as to drive the paper poking disc 72 to rotate, therefore, the frequency of paper feeding of the paper pressing knife 31 driven by the swing arm 34 to swing up and down is synchronous with the frequency of paper poking disc 72 rotation, thereby ensuring that the frequency of paper delivery is fixed.

Referring to fig. 5, a flange 341 is fixedly disposed at the end of the swing arm 34 connected to the paper pressing blade 31, the flange 341 has a plurality of threaded holes, and the plurality of threaded holes are uniformly spaced on the flange 341; the paper pressing knife 31 is provided with a mounting hole 311 corresponding to the threaded hole, the mounting hole 311 is a threaded hole, and the paper pressing knife 31 is fixed with the flange 341 through bolts penetrating through the threaded hole and the mounting hole 311; when the paper pressing blade 31 needs to be replaced, the bolt is screwed down from the flange 341 to complete the detachment of the paper pressing blade 31, thereby realizing the detachable installation of the paper pressing blade 31.

The working principle of the utility model is that, when motor 51 drives reduction gear 52 and rotates, reduction gear 52 can drive connecting axle 71 and rotate when driving swing arm 34 luffing motion to the drive is dialled paper dish 72 and is rotated, and consequently swing arm 34 luffing motion drives the frequency that presses paper sword 31 to form advanced, and is synchronous with dialling paper dish 72 pivoted frequency, thereby has guaranteed that the frequency that the paper conveyed is fixed.

The embodiment of the present invention is a preferred embodiment of the present invention, which is not limited in this way to the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A printed matter folding device comprises a frame (1) and a conveying table (2) which is arranged on the frame (1) and is used for conveying paper; a paper feeding groove (21) penetrating through the upper surface and the lower surface of the conveying table (2) is formed in the conveying table (2); the method is characterized in that: one side of the conveying platform (2) is provided with a paper feeding mechanism (3) which comprises a paper pressing knife (31) arranged above the paper feeding groove (21) and a transmission shaft (32) rotatably supported on the rack (1); a connecting block (33) is fixed on the transmission shaft (32), a swinging arm (34) is fixed on the connecting block (33), and the other end of the swinging arm (34) is detachably connected with the paper pressing knife (31); the frame (1) is provided with a motor (51), the motor (51) is connected with a speed reducer (52), and an output shaft of the speed reducer (52) is connected with a driving device (4) capable of driving the transmission shaft (32) to rotate in a reciprocating manner; a folding mechanism (6) for folding the paper is arranged below the paper feeding groove (21), and a conveying mechanism (7) for conveying the paper is arranged below the folding mechanism (6); the conveying mechanism (7) comprises a connecting shaft (71) rotatably supported below the paper feeding groove (21), a paper shifting disc (72) is coaxially fixed on the connecting shaft (71), and a conveying belt (73) is arranged below the paper shifting disc (72); a first chain wheel (711) is coaxially fixed on the connecting shaft (71), a second chain wheel (521) is coaxially fixed on an output shaft of the speed reducer (52), and the first chain wheel (711) is in transmission connection with the second chain wheel (521) through a chain.

2. A printed matter folding apparatus according to claim 1, characterized in that: the driving device (4) comprises a supporting box (41) fixed on the rack (1), and one side surface of the supporting box (41) faces the conveying table (2) and is provided with an opening; the driving device (4) further comprises a toothed frame (42) which is in sliding fit with the supporting box (41), a first rack (421) is arranged on the edge of the inner frame of the toothed frame (42), and a second rack (422) is arranged on the edge of the outer frame of the toothed frame (42) corresponding to the opening of the supporting box (41); a transmission gear (43) is coaxially fixed on the transmission shaft (32), and the transmission gear (43) is meshed with the second rack (422); the driving device (4) further comprises an incomplete gear (44) rotatably supported in the inner frame of the gear frame (42), and an output shaft of the speed reducer (52) is coaxially fixed with the incomplete gear (44).

3. A printed matter folding apparatus according to claim 1, characterized in that: the folding mechanism (6) comprises two paper pressing rollers (61) which are rotatably supported below the paper feeding groove (21), and the two paper pressing rollers (61) are arranged in parallel and are parallel to the length direction of the paper feeding groove (21); the two paper pressing rollers (61) are mutually attached and arranged right below the paper feeding groove (21); and a second motor (62) is coaxially fixed on the output shaft of one paper pressing roller (61).

4. A printed matter folding apparatus according to claim 3, characterized in that: the paper pressing rollers (61) are provided with ribs (611), and the ribs (611) on the two paper pressing rollers (61) are arranged correspondingly to each other.

5. A printed matter folding apparatus according to claim 1, characterized in that: the end part of the swing arm (34) connected with the paper pressing knife (31) is fixedly provided with a flange plate (341), the flange plate (341) is provided with a plurality of threaded holes, and the threaded holes are uniformly arranged on the flange plate (341) at intervals; the paper pressing knife (31) is provided with a mounting hole (311) corresponding to the threaded hole, the mounting hole (311) is a threaded hole, and the paper pressing knife (31) is fixed with the flange plate (341) through bolts penetrating through the threaded hole and the mounting hole (311).

6. A printed matter folding apparatus according to claim 1, characterized in that: the speed reducer (52) adopts a worm gear speed reducer (52).

7. A printed matter folding apparatus according to claim 1, characterized in that: the upper surface of the conveying platform (2) is provided with a plurality of paper pressing belts (22), and the length directions of the paper pressing belts (22) and the paper feeding groove (21) are parallel to each other.