CN217395841U

CN217395841U - Driving mechanism for double-cutter type creasing machine and creasing and paper feeding device

Info

Publication number: CN217395841U
Application number: CN202220775953.5U
Authority: CN
Inventors: 杜建国
Original assignee: Ningbo Ronghua Digital Printing Equipment Co ltd
Current assignee: Ningbo Ronghua Digital Printing Equipment Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-09
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to the technical field of marking presses, a drive mechanism and an indentation adsorption paper feeding device for a double-knife type marking press, the drive mechanism comprises a frame, a double-knife drive motor, a first transmission component, a driving transport roller, a driven transport roller, a second transmission component, a first paper feeding drive roller and a second paper feeding drive roller; the driving conveying roller and the driven conveying roller are respectively and rotatably connected to the rack, and a first driving gear is sleeved on the driving conveying roller; a second driving gear is sleeved on the driven conveying roller, and the first driving gear is meshed with the second driving gear to enable the driving conveying roller and the driven conveying roller to synchronously rotate; one end of the driven conveying roller is connected with a tightness adjusting assembly. The utility model has the advantages that the distance between the driving conveying roller and the driven conveying roller can be conveniently adjusted through the tightness adjusting component, thereby further preventing the phenomena of paper jamming and jamming during conveying; meanwhile, the first paper feeding driving roller and the second paper feeding driving roller can be synchronously driven to rotate.

Description

Driving mechanism for double-cutter type creasing machine and creasing and paper feeding device

Technical Field

The utility model relates to an indentator technical field especially relates to a actuating mechanism and indentation adsorption paper feeding device that double knives type indentator was used.

Background

The actuating mechanism on the current indentator all rotates initiative conveying roller and driven conveying roller respectively and connects in the frame, can't adjust the interval between initiative conveying roller and the driven conveying roller, thereby when transport card pause or card paper appear, need will take the initiative conveying roller and the installation of driven conveying roller relocation, the accommodation process is wasted time and energy, and actuating mechanism on the current indentator can only realize single paper feeding mechanism's transmission, can't satisfy the transmission that drives two paper feeding mechanism in step.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve is the technical problem that initiative conveying roller and the unable regulation of driven conveying roller on the current actuating mechanism, provides an actuating mechanism that double knives type indentator used convenient to adjust the interval between initiative conveying roller and the driven conveying roller.

For the purpose of the utility model, the following technical scheme is adopted to realize:

a driving mechanism for a double-knife type creasing machine comprises a frame, a double-knife driving motor, a first transmission assembly, a driving conveying roller, a driven conveying roller, a second transmission assembly, a first paper feeding driving roller and a second paper feeding driving roller; the double-blade driving motor is arranged on the rack; the driving conveying roller and the driven conveying roller are respectively and rotatably connected to the rack, and a first driving gear is sleeved on the driving conveying roller; the driven conveying roller is sleeved with a second driving gear, and the first driving gear is meshed with the second driving gear to enable the driving conveying roller and the driven conveying roller to synchronously rotate; one end of the driven conveying roller is connected with a tightness adjusting assembly for adjusting the distance between the driving conveying roller and the driven conveying roller; one end of the driving conveying roller is connected with a rotating shaft of the double-blade driving motor through a first conveying belt gear set; the other end of the driving conveying roller is connected with the first paper feeding driving roller and the second paper feeding driving roller through a second transmission assembly, so that the first paper feeding driving roller and the second paper feeding driving roller synchronously rotate. The driving mechanism is convenient for adjusting the distance between the driving conveying roller and the driven conveying roller through the tightness adjusting assembly, so that the phenomena of paper jamming and conveying jamming are further prevented; meanwhile, the first paper feeding driving roller and the second paper feeding driving roller can be synchronously driven to rotate.

Preferably, the tightness adjusting assembly comprises a tightness adjusting fixing plate, an eccentric shaft sleeve and a driven roller tightness adjusting plate; the tightness adjusting fixing plate is fixedly connected to the rack, and a shaft sleeve matching hole is formed in the tightness adjusting fixing plate; the eccentric shaft sleeve is provided with a limit ring groove matched with the shaft sleeve matching hole; the limiting ring groove is movably connected to the shaft sleeve matching hole; the driven roller tightness adjusting plate is fixedly connected to the eccentric shaft sleeve; an arc-shaped adjusting channel is arranged on the driven roller tightness adjusting plate; an elastic adjusting positioning hole is formed in the elastic adjusting fixing plate and penetrates through the arc adjusting channel through a third screw to be fixed in the elastic adjusting positioning hole; . The distance between the driving conveying roller and the driven conveying roller is conveniently adjusted through the tightness adjusting assembly.

Preferably, a first limiting through hole and a second limiting through hole are respectively formed in the tightness adjusting fixing plate and located on two sides of the shaft sleeve matching hole; the limiting ring groove is provided with a first limiting fixing hole matched with the first limiting through hole; the first bolt penetrates through the first limiting through hole to be connected to the first limiting fixing hole; the limiting ring groove is provided with a second limiting fixing hole matched with the second limiting through hole; and the second screw penetrates through the second limiting through hole to be connected to the second limiting fixing hole. Above-mentioned structure is convenient for better carry on spacingly with the interval between initiative conveying roller and the driven conveying roller.

Preferably, the first transmission assembly comprises a first transmission wheel, a second transmission wheel and a first transmission conveying belt; the first driving wheel is connected with a rotating shaft of the double-blade driving motor; the second driving wheel is connected with one end of the driving conveying roller, and the first driving conveying belt is connected to the first driving wheel and the second driving wheel in a tensioning mode. The structure is convenient for better transmission.

Preferably, the second transmission assembly comprises a third transmission wheel and a fourth transmission wheel; a fifth transmission wheel and a second transmission conveyer belt; the third driving wheel is connected with the other end of the driving conveying roller, the fourth driving wheel is rotatably connected to one end of the first paper feeding driving roller through a first driving wheel shaft sleeve, and the other end of the first paper feeding driving roller is rotatably connected to the rack through a second driving wheel shaft sleeve; the fifth transmission wheel is rotatably connected to one end of the second paper feeding driving roller through a third transmission wheel shaft sleeve, and the other end of the second paper feeding driving roller is rotatably connected to the rack through a fourth transmission wheel shaft sleeve; the first transmission wheel shaft sleeve, the second transmission wheel shaft sleeve, the third transmission wheel shaft sleeve and the fourth transmission wheel shaft sleeve are all provided with limiting clamping grooves; and the second transmission conveying belt is connected to the fifth transmission wheel, the fourth transmission wheel and the third transmission wheel in a tensioning manner. Above-mentioned structure is convenient for better realization synchronous drive first drive roller and the second drive roller of form advancing.

Preferably, an auxiliary guide wheel is also rotatably connected between the fourth driving wheel and the third driving wheel on the rack; and the second transmission conveying belt is connected to the fifth transmission wheel, the fourth transmission wheel, the auxiliary guide wheel and the third transmission wheel in a tensioning manner. The structure is convenient for further improving the transmission effect.

An indentation paper feeding device comprises a first paper feeding mechanism, a second paper feeding mechanism and a driving mechanism for the double-knife type indenting machine; the first paper feeding driving roller and the second paper feeding driving roller are sleeved with driving gears; the two driving gears are respectively matched with the first paper feeding mechanism and the second paper feeding mechanism and synchronously drive the first paper feeding mechanism and the second paper feeding mechanism to carry out paper conveying. The paper feeding device is convenient for realizing the synchronous driving of the first paper feeding mechanism and the second paper feeding mechanism.

Preferably, the first paper feeding mechanism and the second paper feeding mechanism comprise paper feeding supports, a first paper feeding roller set, a second paper feeding roller set and a locking assembly; the paper feeding support comprises a first vertical plate and a second vertical plate; the bottom parts of the first vertical plate and the second vertical plate are respectively provided with a limiting bayonet which is used for being clamped on the paper feeding driving rotating shaft; the first paper feeding roller group is rotatably connected between the first vertical plate and the second vertical plate; the second paper feeding roller set is rotatably connected between the first vertical plate and the second vertical plate, and the first paper feeding roller set and the second paper feeding roller set are matched to realize synchronous rotation; the locking assembly is movably connected between the first vertical plate and the second vertical plate and used for fixing the paper feeding support on the rack. The structure is convenient for better disassembly and assembly.

Preferably, the first paper feeding roller group and the second paper feeding roller group both comprise paper feeding rollers and paper feeding gears; the paper feeding roller is rotatably connected between the first vertical plate and the second vertical plate; the paper feeding gear is sleeved on the paper feeding roller, and the paper feeding gear on the first paper feeding roller set is meshed with the paper feeding gear of the second paper feeding roller set; and the paper feeding gear of the second paper feeding roller group is meshed with the driving gear of the first paper feeding driving roller. The structure is convenient for better driving.

Preferably, the locking assembly comprises a locking rotating shaft, a first rotating plate, a second rotating plate and a rotating connecting rod; the locking rotating shaft is rotatably connected between the first vertical plate and the second vertical plate, and one end of the locking rotating shaft penetrates through the first vertical plate; the other end of the locking rotating shaft penetrates through the second vertical plate; the first rotating plate is fixedly connected to one side of the locking rotating shaft, the second rotating plate is fixedly connected to the other side of the locking rotating shaft, and ball plungers for fixing the first rotating plate and the second rotating plate with the rack are arranged on the first rotating plate and the second rotating plate; the rotating connecting rod is fixedly connected between the first rotating plate and the second rotating plate. The structure is convenient for better disassembly and assembly.

Drawings

Fig. 1 is a schematic structural view of a driving mechanism for a double blade type indenter according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a second transmission assembly in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of the tightness adjusting assembly in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of an indentation paper feeding device according to embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of a first sheet feeding mechanism according to embodiment 2 of the present invention.

Fig. 6 is an exploded view of the first paper feeding mechanism and the first paper feeding driving roller according to embodiment 2 of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

As shown in fig. 1 to 3, a driving mechanism for a double-blade type creasing machine includes a frame 1, a double-blade driving motor 41, a first transmission assembly 42, a driving feed roller 43, a driven feed roller 44, a second transmission assembly 45, a first paper feed driving roller 46 and a second paper feed driving roller 47; the double-blade driving motor 41 is arranged on the frame 1; the driving conveying roller 43 and the driven conveying roller 44 are respectively and rotatably connected to the frame 1, and a first driving gear 431 is sleeved on the driving conveying roller 43; the driven conveying roller 44 is sleeved with a second driving gear 441, and the first driving gear 431 is meshed with the second driving gear 441 to enable the driving conveying roller 43 and the driven conveying roller 44 to synchronously rotate; one end of the driven feed roller 44 is connected to a slack adjuster 48 for adjusting the distance between the driving feed roller 43 and the driven feed roller 44. One end of the driving conveying roller 43 is connected with a rotating shaft of the double-blade driving motor 41 through a first transmission assembly 42; the other end of the driving feed roller 43 is connected to a first paper feed driving roller 46 and a second paper feed driving roller 47 through a second transmission assembly 45, so that the first paper feed driving roller 46 and the second paper feed driving roller 47 rotate synchronously.

As shown in fig. 3, the slack adjuster assembly 48 includes a slack adjuster fixing plate 481, an eccentric sleeve 482, and a driven roller slack adjuster 4833; the tightness adjusting fixing plate 481 is fixedly connected to the rack 1, and a shaft sleeve matching hole 4810 is formed in the tightness adjusting fixing plate 481; a first limit through hole 4811 and a second limit through hole 4812 are respectively formed on the tightness adjusting fixing plate 481 at both sides of the shaft sleeve mating hole 4810; the first limit through hole 4811 is arc-shaped along the shaft sleeve mating hole 4810, and the second limit through hole 4812 is vertical line-shaped. The eccentric shaft sleeve 482 is provided with a limit ring groove 4821 matched with the shaft sleeve matching hole 4810; the limit ring groove 4821 is clamped and connected to the shaft sleeve matching hole 4810; and the boss engagement hole 4810 can rotate within the boss engagement hole 4810. A first limiting fixing hole 4822 matched with the first limiting through hole 4811 is arranged on the limiting ring groove 4821; a first screw is connected to the first limiting fixing hole 4822, and the first screw passes through the first limiting through hole 4811 and is fixed in the first limiting fixing hole 4822; the limit ring groove 4821 is provided with a second limit fixing hole 4823 matched with the second limit through hole 4812; a second screw is connected to the second limiting fixing hole 4823, and the second screw passes through the second limiting through hole 4812 and is fixed in the second limiting fixing hole 4823; the rotation angle of the eccentric sleeve 482 can be defined by the first and second screws at both sides. A driven roller elastic adjusting plate 4833 is fixedly connected to the eccentric shaft sleeve 482; an arc adjusting channel 4831 is arranged on the driven roller elastic adjusting plate 483; the tightness adjusting fixing plate 481 is provided with a tightness adjusting positioning hole 4813, the tightness adjusting positioning hole 4813 is connected with a third screw, and the third screw passes through the arc adjusting passage 4831 and is fixed in the tightness adjusting positioning hole 4813; through loosening the third screw, can manually rotate and adjust driven roller elasticity regulating plate 4833 to can make eccentric axle sleeve 482 rotate along arc regulation passageway 4831, adjust the back, it is fixed with driven roller elasticity regulating plate 4833 through screwing up the third screw, prevent to cause the rotation in the use.

As shown in fig. 1, the first transmission assembly 42 comprises a first transmission wheel 421, a second transmission wheel 422 and a first transmission conveyor belt 423; the first driving wheel 421 is connected with the rotating shaft of the double-blade driving motor 41; the second driving wheel 422 is connected with one end of the driving conveying roller 43, and the first driving conveying belt 423 is connected with the first driving wheel 421 and the second driving wheel 422 in a tensioning manner. Drive first drive wheel 421 rotary drive through double-blade driving motor 41 to make first drive wheel 421 drive second drive wheel 422 rotary drive through first transmission conveyer belt 423, and then make initiative conveying roller 43 drive driven conveying roller 44 and realize synchronous rotation, be used for sending into the paper.

As shown in fig. 2, the second transmission assembly 45 comprises a third transmission wheel 451, a fourth transmission wheel 452; a fifth transmission wheel 453 and a second transmission belt 454; the third driving wheel 451 is connected with the other end of the driving conveying roller 43, the fourth driving wheel 452 is rotatably connected with one end of the first paper feeding driving roller 46 through a first driving wheel shaft sleeve 455, and the other end of the first paper feeding driving roller 46 is rotatably connected with the frame 1 through a second driving wheel shaft sleeve 456; the fifth driving wheel 453 is rotatably connected to one end of the second paper feeding driving roller 47 through a third driving wheel shaft sleeve 457, and the other end of the second paper feeding driving roller 47 is rotatably connected to the frame 1 through a fourth driving wheel shaft sleeve 458; the first driving wheel shaft sleeve 455, the second driving wheel shaft sleeve 456, the third driving wheel shaft sleeve 457 and the fourth driving wheel shaft sleeve 458 are all provided with a limit clamping groove 459 matched with the bottom of the paper feeding mechanism 6; an auxiliary guide wheel 49 is also rotatably connected between the fourth driving wheel 452 and the third driving wheel 451 on the frame 1; the second transmission conveyer belt 454 is connected with the fifth transmission wheel 453, the fourth transmission wheel 452, the auxiliary guide wheel 49 and the third transmission wheel 451 in a tensioning way. Through the rotation of the third driving wheel 451, the second driving conveyer belt 454 drives the fourth driving wheel 452 and the fifth driving wheel 453 to rotate synchronously, so that the driving gears 470 on the fourth driving wheel 452 and the fifth driving wheel 453 drive the two paper feeding mechanisms 6 to drive, and the paper feeding mechanisms 6 realize paper feeding. The structure is convenient for realizing better transmission effect.

In summary, the present embodiment 1 has the advantages that the tightness adjusting component 48 is used to facilitate the adjustment of the distance between the driving conveying roller 43 and the driven conveying roller 44, so as to further prevent the occurrence of paper jam and jamming during conveying; and simultaneously, the first paper feed driving roller 46 and the second paper feed driving roller 47 can be driven to rotate synchronously.

Example 2

As shown in fig. 4, an indentation paper feeding apparatus includes a first paper feeding mechanism 2, a second paper feeding mechanism 3, and a driving mechanism for a double blade type indentation machine of embodiment 1; the first paper feeding driving roller 46 and the second paper feeding driving roller 47 are sleeved with driving gears 470; the two driving gears 470 are respectively matched with the first paper feeding mechanism 2 and the second paper feeding mechanism 3, and synchronously drive the first paper feeding mechanism 2 and the second paper feeding mechanism 3 to carry out paper conveying. The paper feeding device is convenient for realizing the synchronous driving of the first paper feeding mechanism 2 and the second paper feeding mechanism 3.

As shown in fig. 5, each of the first paper feeding mechanism 2 and the second paper feeding mechanism 3 includes a paper feeding bracket 61, a first paper feeding roller set 62, a second paper feeding roller set 63, and a locking assembly 64; the paper feed holder 61 includes a first riser 611 and a second riser 612; the first vertical plate 611 and the second vertical plate 612 are symmetrically arranged, and the first vertical plate 611 and the second vertical plate 612 are fixedly connected through a horizontal connecting rod group 614; the bottoms of the first vertical plate 611 and the second vertical plate 612 are respectively provided with a limiting bayonet 613 for being clamped on the paper feeding driving rotating shaft; the limiting bayonet 613 is an arc bayonet with a downward opening, and the arc bayonet is convenient for better matching. The first paper feeding roller group 62 is rotatably connected between the first vertical plate 611 and the second vertical plate 612; the second paper feeding roller set 63 is rotatably connected between the first vertical plate 611 and the second vertical plate 612, and the first paper feeding roller set 62 and the second paper feeding roller set 63 are matched to realize synchronous relative rotation. The locking assembly 64 is pivotally connected between the first riser 611 and the second riser 612, and the locking assembly 64 is used to fix the first riser 611 and the second riser 612 to the frame 1. The structure realizes the modularization of the paper feeding mechanism, thereby being convenient for realizing the quick disassembly and assembly of the whole paper feeding mechanism and also being convenient for replacing the whole paper feeding mechanism.

As shown in fig. 5 and 6, the first and second

feed roller groups

62 and 63 are respectively located below the horizontal connection bar groups 614; the first and second paper

feed roller groups

62 and 63 each include a paper feed roller 621 and a paper feed gear 622; the paper feeding roller 621 is rotatably connected between the first vertical plate 611 and the second vertical plate 612; the paper feeding gear 622 is sleeved on the paper feeding roller 621, and the paper feeding gear 622 on the first paper feeding roller group 62 is meshed with the paper feeding gear 622 of the second paper feeding roller group 63; and the paper feed gear 622 of the second paper feed roller group 63 is engaged with the driving gear 470 of the first paper feed driving roller 46. The driving gear 470 on the first paper feeding driving roller 46 drives the paper feeding gears 622 in the second paper feeding roller set 63 on the first paper feeding mechanism 2, so that the first paper feeding roller set 62 and the second paper feeding roller set 63 rotate synchronously for paper feeding. The driving gear 470 on the second paper feeding driving roller 47 drives the paper feeding gears 622 in the second paper feeding roller set 63 on the second paper feeding mechanism 3, so that the first paper feeding roller set 62 and the second paper feeding roller set 63 rotate synchronously for paper feeding.

The first paper feeding driving roller 46 is matched with the first paper feeding mechanism 2, and the second paper feeding driving roller 47 is matched with the second paper feeding mechanism 3, so that the driving mechanism synchronously drives the first paper feeding mechanism 2 and the second paper feeding mechanism 3 to carry out paper conveying through the second transmission assembly 45.

As shown in fig. 5, the locking assembly 64 is positioned above the horizontal linkage 614; the locking assembly 64 includes a locking rotation shaft 641, a first rotation plate 642, a second rotation plate 643 and a rotation connection rod 644; the locking rotation shaft 641 is rotatably connected between the first vertical plate 611 and the second vertical plate 612, and one end of the locking rotation shaft 641 passes through the first vertical plate 611; the other end of the locking rotation shaft 641 passes through the second riser 612; two symmetrical locking concave surfaces 6411 are arranged at both ends of the locking rotating shaft 641; when the locking rotating shaft 641 is put in, the two locking concave surfaces 6411 are in a vertical state, and the end part of the locking rotating shaft 641 can be just put in; during locking, the locking rotation shaft 641 rotates 90 ° to make the two locking concave surfaces 6411 horizontal, and at this time, the end of the locking rotation shaft 641 is tightly clamped and cannot be pulled out. It is convenient to further fix the locking rotating shaft 641 to the locking rotating shaft support plates 101 at both sides. The first rotating plate 642 is fixedly connected to one end of the locking rotating shaft 641 and is located inside the first vertical plate 611, the second rotating plate 643 is fixedly connected to the other end of the locking rotating shaft 641 and is located inside the second vertical plate 612, and the first rotating plate 642 and the second rotating plate 643 are both provided with ball plungers 645 for being fixed to the rack 1; the rotation connecting rod 644 is fixedly connected between the first rotation plate 642 and the second rotation plate 643; the both sides of frame 1 all are provided with the bulb cooperation groove that is used for bulb plunger 645 to imbed, conveniently block in and take out convenient operation through bulb plunger 645.

In summary, the present embodiment 2 has the advantage of facilitating the synchronous driving of the first paper feeding mechanism 2 and the second paper feeding mechanism 3.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present disclosure.

Claims

1. A driving mechanism for a double-knife type creasing machine is characterized by comprising a frame (1), a double-knife driving motor (41), a first transmission component (42), a driving conveying roller (43), a driven conveying roller (44), a second transmission component (45), a first paper feeding driving roller (46) and a second paper feeding driving roller (47); the double-blade driving motor (41) is arranged on the rack (1); the driving conveying roller (43) and the driven conveying roller (44) are respectively and rotatably connected to the rack (1), and a first driving gear (431) is sleeved on the driving conveying roller (43); the driven conveying roller (44) is sleeved with a second driving gear (441), and the first driving gear (431) is meshed with the second driving gear (441) to enable the driving conveying roller (43) and the driven conveying roller (44) to synchronously rotate; one end of the driven conveying roller (44) is connected with a tightness adjusting assembly (48) for adjusting the distance between the driving conveying roller (43) and the driven conveying roller (44); one end of the driving conveying roller (43) is connected with a rotating shaft of the double-blade driving motor (41) through a first transmission assembly (42); the other end of the driving conveying roller (43) is connected with a first paper feeding driving roller (46) and a second paper feeding driving roller (47) through a second transmission component (45), so that the first paper feeding driving roller (46) and the second paper feeding driving roller (47) synchronously rotate.

2. The driving mechanism for a double blade type creasing machine according to claim 1, wherein said tightness adjusting assembly (48) comprises a tightness adjusting fixing plate (481), an eccentric sleeve (482) and a driven roller tightness adjusting plate (483); the tightness adjusting fixing plate (481) is fixedly connected to the rack (1), and a shaft sleeve matching hole (4810) is formed in the tightness adjusting fixing plate (481); the eccentric shaft sleeve (482) is provided with a limit ring groove (4821) matched with the shaft sleeve matching hole (4810); the limit ring groove (4821) is movably connected to the shaft sleeve matching hole (4810); the driven roller elastic adjusting plate (483) is fixedly connected to the eccentric shaft sleeve (482); an arc-shaped adjusting channel (4831) is arranged on the driven roller elastic adjusting plate (483); and a tightness adjusting positioning hole (4813) is formed in the tightness adjusting fixing plate (481), a third screw is connected to the tightness adjusting positioning hole (4813), and the third screw penetrates through the arc adjusting channel (4831) and is fixed in the tightness adjusting positioning hole (4813).

3. The driving mechanism for the double-blade type indenter according to claim 2, wherein the tightness adjusting fixing plate (481) is provided with a first limit through hole (4811) and a second limit through hole (4812) on both sides of the shaft sleeve mating hole (4810); a first limiting fixing hole (4822) matched with the first limiting through hole (4811) is formed in the limiting ring groove (4821); a first screw is connected to the first limiting fixing hole (4822), and the first screw passes through the first limiting through hole (4811) and is fixed in the first limiting fixing hole (4822); the limiting ring groove (4821) is provided with a second limiting fixing hole (4823) matched with the second limiting through hole (4812); a second screw is connected to the second limiting fixing hole (4823), and the second screw penetrates through the second limiting through hole (4812) and is fixed in the second limiting fixing hole (4823).

4. The drive mechanism for a double blade type creasing machine according to claim 1, wherein said first transmission assembly (42) comprises a first transmission wheel (421), a second transmission wheel (422) and a first transmission conveyor belt (423); the first driving wheel (421) is connected with a rotating shaft of the double-blade driving motor (41); the second driving wheel (422) is connected with one end of the driving conveying roller (43), and the first driving conveying belt (423) is connected to the first driving wheel (421) and the second driving wheel (422) in a tensioning mode.

5. The drive mechanism for a double blade creasing machine according to claim 1, wherein said second transmission assembly (45) comprises a third transmission wheel (451), a fourth transmission wheel (452); a fifth transmission wheel (453) and a second transmission conveyer belt (454); the third driving wheel (451) is connected with the other end of the driving conveying roller (43), the fourth driving wheel (452) is rotatably connected with one end of the first paper feeding driving roller (46) through a first driving pulley shaft sleeve (455), and the other end of the first paper feeding driving roller (46) is rotatably connected with the rack (1) through a second driving pulley shaft sleeve (456); the fifth driving wheel (453) is rotatably connected to one end of the second paper feeding driving roller (47) through a third driving wheel shaft sleeve (457), and the other end of the second paper feeding driving roller (47) is rotatably connected to the rack (1) through a fourth driving wheel shaft sleeve (458); the first transmission wheel shaft sleeve (455), the second transmission wheel shaft sleeve (456), the third transmission wheel shaft sleeve (457) and the fourth transmission wheel shaft sleeve (458) are respectively provided with a limiting clamping groove (459); the second transmission conveyer belt (454) is connected with a fifth transmission wheel (453), a fourth transmission wheel (452) and a third transmission wheel (451) in a tensioning mode.

6. The drive mechanism for a double blade indenter as claimed in claim 5, characterized in that an auxiliary guide wheel (49) is rotatably connected to the frame (1) between the fourth transmission wheel (452) and the third transmission wheel (451); the second transmission conveyer belt (454) is connected to a fifth transmission wheel (453), a fourth transmission wheel (452), an auxiliary guide wheel (49) and a third transmission wheel (451) in a tensioning mode.

7. An indentation paper feeding device, characterized by comprising a first paper feeding mechanism (2), a second paper feeding mechanism (3) and a driving mechanism for a double blade type indenter according to any one of claims 1-6; the first paper feeding driving roller (46) and the second paper feeding driving roller (47) are sleeved with driving gears (470); the two driving gears (470) are respectively matched with the first paper feeding mechanism (2) and the second paper feeding mechanism (3) and synchronously drive the first paper feeding mechanism (2) and the second paper feeding mechanism (3) to carry out paper conveying.

8. The creasing paper feeding device of claim 7, wherein the first paper feeding mechanism (2) and the second paper feeding mechanism (3) each comprise a paper feeding bracket (61), a first paper feeding roller set (62), a second paper feeding roller set (63) and a locking assembly (64); the paper feeding support (61) comprises a first vertical plate (611) and a second vertical plate (612); the bottoms of the first vertical plate (611) and the second vertical plate (612) are respectively provided with a limiting bayonet (613) used for being clamped on the paper feeding driving rotating shaft; the first paper feeding roller group (62) is rotatably connected between a first vertical plate (611) and a second vertical plate (612); the second paper feeding roller set (63) is rotatably connected between the first vertical plate (611) and the second vertical plate (612), and the first paper feeding roller set (62) and the second paper feeding roller set (63) are matched to realize synchronous rotation; the locking assembly (64) is movably connected between the first vertical plate (611) and the second vertical plate (612), and the locking assembly (64) is used for fixing the paper feeding support (61) on the rack (1).

9. The indentation paper feed device of claim 8, wherein said first paper feed roller group (62) and said second paper feed roller group (63) each comprise a paper feed roller (621) and a paper feed gear (622); the paper feeding roller (621) is rotatably connected between the first vertical plate (611) and the second vertical plate (612); the paper feeding gear (622) is sleeved on the paper feeding roller (621), and the paper feeding gear (622) on the first paper feeding roller group (62) is meshed with the paper feeding gear (622) of the second paper feeding roller group (63); and the paper feeding gear (622) of the second paper feeding roller group (63) is meshed with the driving gear (470) on the first paper feeding driving roller (46).

10. The indented paper feeding device according to claim 9, wherein the locking assembly (64) comprises a locking rotating shaft (641), a first rotating plate (642), a second rotating plate (643) and a rotating connecting rod (644); the locking rotating shaft (641) is rotatably connected between the first vertical plate (611) and the second vertical plate (612), and one end of the locking rotating shaft (641) penetrates through the first vertical plate (611); the other end of the locking rotating shaft (641) penetrates through the second vertical plate (612); the first rotating plate (642) is fixedly connected to one side of the locking rotating shaft (641), the second rotating plate (643) is fixedly connected to the other side of the locking rotating shaft (641), and the first rotating plate (642) and the second rotating plate (643) are respectively provided with a ball plunger (645) which is used for locking and matching with the frame (1); the rotating connecting rod (644) is fixedly connected between the first rotating plate (642) and the second rotating plate (643).