CN221479059U

CN221479059U - Slitting device of rewinder

Info

Publication number: CN221479059U
Application number: CN202323507454.1U
Authority: CN
Inventors: 鲁华伟; 李宗享; 冯尧飞
Original assignee: Shanxi Foreign Trade Pingyao Packaging Printing Group Paper Co ltd
Current assignee: Shanxi Foreign Trade Pingyao Packaging Printing Group Paper Co ltd
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-08-06
Anticipated expiration: 2033-12-21

Abstract

The application relates to a slitting device of a rewinder, which relates to the field of paper slitting and comprises a mounting base; the paper loading mechanism is arranged on the mounting base and is used for mounting paper rolls; the correcting mechanism is arranged on the mounting base and used for guaranteeing the paper conveying direction; the guide mechanism is arranged on the mounting base and is used for conveying paper; the cutting mechanism is arranged on the mounting base and is used for cutting paper; the winding mechanism is arranged on the mounting base and is used for winding the cut paper; the driving mechanism is arranged on the mounting base and connected with the winding mechanism, the driving mechanism is connected with the correcting mechanism and the cutting mechanism, and the driving mechanism is used for driving the winding mechanism, the cutting mechanism and the correcting mechanism to move. The application has the effects of ensuring the cutting order of paper and enabling the operation of the cutting device of the rewinder to be more convenient.

Description

Slitting device of rewinder

Technical Field

The application relates to a paper slitting field, in particular to a slitting device of a rewinder.

Background

The slitting rewinder is mechanical equipment capable of slitting and rewinding mica tapes, paper, non-woven fabrics and other products.

The slitting device of the rewinder is mainly used for automatically winding paper to rewind after the paper tape is longitudinally slit, and is generally provided with a paper release roller, a guide roller, a cutter, a winding disc and other parts, wherein in the working process, the paper nearby the cutter is often not neat or too shallow in slitting due to insufficient tension of the paper, and the unreasonable arrangement of the guide roller leads to stress in the paper, uneven paper and unfavorable slitting operation of the paper.

Aiming at the related problems, the paper is not cut neatly, and the operation of the slitting device of the rewinder is not convenient.

Disclosure of utility model

In order to ensure that paper is cut neatly, the cutting device of the rewinder is convenient to operate, and the cutting device of the rewinder is provided.

The application provides a slitting device of a rewinder, which adopts the following technical scheme:

A rewinder slitting device comprising:

A mounting base;

The paper loading mechanism is arranged on the mounting base and is used for mounting paper rolls;

the correcting mechanism is arranged on the mounting base and used for guaranteeing the paper conveying direction;

The guide mechanism is arranged on the mounting base and is used for conveying paper;

The cutting mechanism is arranged on the mounting base and is used for cutting paper;

the winding mechanism is arranged on the mounting base and is used for winding the cut paper;

The driving mechanism is arranged on the mounting base, is connected with the winding mechanism and is connected with the correcting mechanism and the cutting mechanism, and the driving mechanism is used for driving the winding mechanism, the cutting mechanism and the correcting mechanism to move;

Wherein, cutting mechanism includes:

The two ends of the cutting shaft are respectively penetrated and connected to the opposite side walls of the mounting base in a rotating way, and the other end of the cutting shaft is connected with the driving mechanism;

The three cutting knives are uniformly coaxially sleeved and fixedly connected on the cutting shaft.

Through adopting above-mentioned technical scheme, actuating mechanism drives correction mechanism and tailors the epaxial sword of tailorring and cuts the paper and retrieve through winding mechanism, and the paper passes through correction mechanism relief stress, and guiding mechanism guarantees that the operation of paper is stable, has guaranteed that the paper cuts more neat for rewinder cutting device simple operation.

Optionally, the paper loading mechanism includes:

One end of the support column is fixedly connected to the mounting base;

The paper loading shaft penetrates through and is fixedly connected to one end, far away from the mounting bottom plate, of the supporting column;

the paper roll is coaxially arranged in a penetrating way and is rotationally connected to the paper loading shaft;

the first clamp spring is fixedly connected to one end, far away from the supporting column, of the paper loading shaft.

Through adopting above-mentioned technical scheme, the scroll is installed on the device axle, and first jump ring is fixed to the scroll, makes things convenient for the quick-time installation and the dismantlement of scroll, has improved the work efficiency of rewinding machine cutting device.

Optionally, the correction mechanism includes:

The two ends of the first correcting shaft are penetrated through and are rotatably connected to the side wall of the mounting base, and the first correcting shaft is connected with the driving mechanism;

The second correcting shaft is arranged right below the first correcting shaft, and the second correcting shaft is connected with the driving mechanism.

By adopting the technical scheme, the first correcting shaft and the second correcting shaft eliminate the stress on the paper, correct the moving position of the paper, facilitate the slitting of the paper and improve the working efficiency of the slitting device of the rewinder.

Optionally, the guiding mechanism includes:

The first guide shaft penetrates through the mounting base and is connected to the mounting base in a rotating mode;

The second guide shaft penetrates through the mounting base and is rotationally connected to the mounting base, and the first guide shaft and the second guide shaft are symmetrically arranged on the periphery of the cutting shaft by taking the axis of the cutting shaft as the center.

Through adopting above-mentioned technical scheme, first guiding axle and second guiding axle play the effect of direction to the paper for paper operation is more stable.

Optionally, the winding mechanism includes:

the fixing column is arranged on the mounting base;

The winding shaft penetrates through and is rotationally connected to one end, far away from the mounting base, of the fixed column, and the winding shaft is connected with the driving mechanism;

The second clamp spring is fixedly connected to one end, far away from the fixed column, of the winding shaft.

Through adopting above-mentioned technical scheme, actuating mechanism rotates and drives the windup axle and rotate, rolls up the paper after cutting for rewinder cutting device operation is more convenient, and the paper after the convenient rolling of second jump ring is dismantled.

Optionally, the driving mechanism includes:

The fixed end of the motor is fixedly connected to the fixed column, and the output shaft of the motor is coaxial with the winding shaft and is fixedly connected with the winding shaft;

The first driving belt pulley is coaxially sleeved and fixedly connected to an output shaft of the motor;

The first driven belt pulley is coaxially sleeved and fixedly connected to the cutting shaft;

The second driven belt pulley is coaxially sleeved and fixedly connected to the first correction shaft;

the driving gear is coaxially sleeved and fixedly connected to one end of the first correcting shaft;

The driven gear is coaxially sleeved and fixedly connected to one end of the second correcting shaft, and the driving gear is meshed with the driven gear;

One end of the first belt is connected to the first driving belt pulley in a meshed mode, and the other end of the first belt is connected to the first driven belt pulley in a meshed mode;

And one end of the second belt is connected to the first driven belt wheel in a meshed manner, and the other end of the second belt is connected to the second driven belt wheel in a meshed manner.

Through adopting above-mentioned technical scheme, the motor rotates and drives take-up reel and first driving pulley and rotate, the take-up reel rotates and makes the paper rolling after cutting out, first driving pulley rotates and drives first belt rotation, first belt rotation drives first driven pulley and rotates, first driven pulley rotates and drives the second belt and cut out the axle rotation, the second belt rotates and drives second driven pulley and rotate, second driven pulley rotates and drives first correction axle rotation, first correction axle rotation drives the driving gear rotation, the driving gear rotation drives driven gear rotation, driven gear rotation drives second correction axle rotation, for take-up reel, cut out the axle, first correction axle and second correction axle provide the drive power, the rewinder cutting device mechanical linkage nature has been improved.

Optionally, the adjustment groove has been seted up to the symmetry on the relative both sides wall of installation base, cutting mechanism with be provided with guiding mechanism between the winding mechanism, guiding mechanism installs in the adjustment groove, guiding mechanism includes:

The sliding block is connected in the adjusting groove in a sliding way;

one end of the spring is fixedly connected with the bottom wall of the sliding block, and the other end of the spring is connected with the bottom wall of the adjusting groove;

The screw rod penetrates through the top wall of the mounting groove and is in threaded connection with the top wall of the sliding block, and one end of the screw rod is in rotary connection with the top wall of the sliding block;

And two ends of the adjusting shaft are respectively connected with the opposite side walls of the two sliding blocks in a rotating way.

Through adopting above-mentioned technical scheme, rotate the screw rod, the screw rod rotates and drives the slider slip, and the slider slip drives the adjustment axle and adjusts, has adjusted the tightening force of paper for the paper cuts more neatly.

Optionally, the first correction shaft, the cutting shaft and the second correction shaft are in an inverted V shape.

By adopting the technical scheme, paper cutting is more convenient, and the working efficiency of the slitting device of the rewinder is improved.

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

1. The driving mechanism drives the correcting mechanism and the cutting shaft to move, the cutting knife on the cutting shaft shears paper to be recovered through the winding mechanism, the paper is relieved by the correcting mechanism, the guiding mechanism ensures that the paper runs stably, the paper is ensured to be cut more orderly, and the cutting device of the rewinder is enabled to operate more conveniently;

2. The first correcting shaft and the second correcting shaft eliminate stress on the paper, correct the movement position of the paper, facilitate the slitting of the paper and improve the working efficiency of the slitting device of the rewinder;

3. The motor rotates to drive the winding shaft and the first driving belt pulley to rotate, the winding shaft rotates to enable the cut paper to be wound, the first driving belt pulley rotates to drive the first belt to rotate, the first driven belt pulley rotates to drive the second belt to rotate with the cutting shaft, the second belt rotates to drive the second driven belt pulley to rotate, the second driven belt pulley rotates to drive the first correcting shaft to rotate, the first correcting shaft rotates to drive the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the second correcting shaft to rotate, driving force is provided for the winding shaft, the cutting shaft, the first correcting shaft and the second correcting shaft, and mechanical linkage of a slitting device of the rewinder is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a cross-sectional view of a display drive mechanism according to an embodiment of the application;

fig. 4 is a schematic structural view showing an adjusting mechanism according to an embodiment of the present application.

Reference numerals illustrate:

1. A mounting base; 2. a paper loading mechanism; 21. a support column; 22. a paper loading shaft; 23. paper roll; 24. clamping springs; 3. a correction mechanism; 31. a first correction axis; 32. a second correction axis; 4. a guide mechanism; 41. a first guide shaft; 42. a second guide shaft; 5. a cutting mechanism; 51. cutting the shaft; 52. cutting scissors; 6. an adjusting mechanism; 61. a slide block; 62. a spring; 63. an adjustment shaft; 64. a screw; 7. a winding mechanism; 71. fixing the column; 72. a winding shaft; 73. a second clamp spring; 8. a driving mechanism; 81. a motor; 82. a first driving pulley; 83. a first driven pulley; 84. a second driven pulley; 85. a first belt; 86. a second belt; 87. a drive gear; 88. a driven gear.

Detailed Description

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

The embodiment of the application discloses a slitting device of a rewinder.

Referring to fig. 1 and 2, the slitting device of the rewinder comprises a mounting base 1, a paper loading mechanism 2 is mounted on the mounting base 1, a correction mechanism 3 is mounted on the mounting base 1, a guide mechanism 4 is mounted on the mounting base 1, the guide mechanism 4 is arranged on one side, far away from the paper loading mechanism 2, of the correction mechanism 3, a cutting mechanism 5 is mounted on the mounting base 1, the cutting mechanism 5 is arranged right above the guide mechanism 4, a winding mechanism 7 is mounted on one end, far away from the paper loading mechanism 2, of the mounting base 1, an adjusting mechanism 6 is arranged between the winding mechanism 7 and the guide mechanism 4, the adjusting mechanism 6 is mounted on the mounting base 1, a driving mechanism 8 is mounted on the winding mechanism 7, and the driving mechanism 8 is connected with the cutting mechanism 5, the correction mechanism 3 and the winding mechanism 7.

Referring to fig. 1 and 2, the cutting mechanism 5 includes a cutting shaft 51, two ends of the cutting shaft 51 are respectively penetrated and rotatably connected to two opposite side walls of the mounting base 1, one end of the cutting shaft 51 is connected with the driving mechanism 8, three cutting blades 52 are coaxially sleeved on the cutting shaft 51 and fixedly connected to the cutting shaft 51, and the three cutting blades 52 are uniformly arranged on the cutting shaft 51.

Referring to fig. 1 and 2, the guide mechanism 4 includes a first guide shaft 41 and a second guide shaft 42, the first guide shaft 41 and the second guide shaft 42 are symmetrically disposed on the circumferential side of the axis of the cutting shaft 51, two ends of the first guide shaft 41 are respectively rotatably connected to the inner side wall of the mounting base 1 near the paper loading mechanism 2, two ends of the second guide shaft 42 are respectively rotatably connected to the opposite inner side wall of the mounting base 1, and the first correction shaft 31, the cutting shaft 51 and the second correction shaft 32 are in inverted V shape.

Paper passes through the first guide shaft 41, the cutting shaft 51 and the second guide shaft 42 in sequence, the driving mechanism 8 drives the cutting shaft 51 to rotate, the cutting shaft 51 rotates to drive the cutting blade 52 to rotate so as to cut the paper, and the first correcting shaft 31, the cutting shaft 51 and the second correcting shaft 32 are in inverted V shapes so as to facilitate cutting the paper, so that the working efficiency of the rewinding cutting device is improved.

Referring to fig. 3 and 4, the paper loading mechanism 2 includes a support column 21, one end of the support column 21 is fixedly connected to the mounting base 1, one end of the support column 21 away from the mounting base 1 is penetrated and fixedly connected with one end of a paper loading shaft 22, the axis of the paper loading shaft 22 is parallel to the axis of the cutting shaft 51, a paper roll 23 is sleeved on and rotationally connected to the paper loading shaft 22, and one end of the paper loading shaft 22 away from the support column 21 is fixedly connected with a first clamping spring 24.

The paper roll 23 is arranged on the paper loading shaft 22, and the first clamp spring 24 enables the paper roll 23 to be fastened, so that the paper roll 23 can be quickly installed and detached, and the work efficiency of slitting and straightening of the rewinder is improved.

Referring to fig. 2 and 3, the correction mechanism 3 includes a first correction shaft 31, two ends of the first correction shaft 31 are penetrated and rotatably connected to a side wall of the installation base 1, one end of the first correction shaft 31 is rotatably connected to an inner side wall of the installation base 1, the other end of the first correction shaft 31 is connected to the driving mechanism 8, a second correction shaft 32 is disposed under the first correction shaft 31, the second correction shaft 32 is transmitted and rotatably connected to the side wall of the installation base 1, one end of the second correction shaft 32 is fixedly connected to the inner side wall of the installation base 1, the other end of the second correction shaft 32 is connected to the driving mechanism 8, and the axes of the first correction shaft 31 and the second correction shaft 32 are parallel to the axis of the cutting shaft 51.

The driving mechanism 8 drives the first correcting shaft 31 and the second correcting shaft 32 to rotate relatively, the first correcting shaft 31 eliminates the stress on the upper part of the paper, and the second correcting shaft 32 eliminates the stress on the lower part of the paper, so that the paper is smooth and convenient to cut.

Referring to fig. 2 and 4, the adjusting grooves are symmetrically and penetratingly formed in two opposite side walls of the mounting base 1, the adjusting mechanism comprises two sliding blocks 61, the two sliding blocks 61 are respectively and slidably connected in the adjusting grooves, the sliding direction of the sliding blocks 61 is perpendicular to the plane where the bottom wall of the mounting base 1 is located, the two sliding blocks 61 are rotatably connected with adjusting shafts 63 on the opposite side walls, springs 62 are fixedly connected to the bottom walls of the sliding blocks 61, the other ends of the springs 62 are fixedly connected to the bottom walls of the sliding grooves, the springs are always in a compressed state, a screw 64 is rotatably connected to the top wall of the sliding block 61, and the screw 64 is arranged in a penetrating manner and is in threaded connection with the top wall of the adjusting grooves.

The rotating screw 64 drives the sliding block 61 to slide, the sliding block 61 slides with the adjusting shaft 63 to move, the tightening force of paper winding is adjusted, the paper cutting uniformity is improved, and the spring 62 plays a supporting role on the sliding block 61.

Referring to fig. 2 and 4, the winding mechanism 7 includes a fixed column 71, one end of the fixed column 71 is fixedly connected to the mounting base 1, a winding shaft 72 is penetrated and rotatably connected to the other end of the fixed column 71, one end of the winding shaft 72 close to the fixed column 71 is connected to the driving mechanism 8, the axis of the winding shaft 72 is parallel to the axis of the cutting shaft 51, and one end of the winding shaft 72 far away from the fixed column 71 is fixedly connected with a second clamp spring 73.

The driving mechanism 8 rotates to drive the winding shaft 72 to rotate, the winding shaft 72 winds the cut paper, so that the paper is wound more conveniently, and the second clamp spring 73 enables the wound paper to be detached conveniently.

Referring to fig. 3 and 4, the driving mechanism 8 includes a motor 81, a fixed end of the motor 81 is fixedly connected to the fixed column 71, an output shaft of the motor 81 is coaxially and fixedly connected to one end of the winding shaft 72, a first pulley is coaxially sleeved on the output shaft of the motor 81 and fixedly connected to the output shaft, one end of a first belt 85 is engaged and connected to the first pulley, the other end of the first belt 85 is engaged and connected to a first driven pulley 83, the first driven pulley 83 is coaxially sleeved and fixedly connected to one end of the cutting shaft 51, one end of a second belt 86 is engaged and connected to the first driven pulley 83, the other end of the second belt 86 is engaged and connected to a second driven pulley 84, the second driven pulley 84 is coaxially sleeved and fixedly connected to the first correcting shaft 31, a driving gear 87 is coaxially sleeved and fixedly connected to the first correcting shaft 31, the driving gear 87 is engaged and connected to a driven gear 88, and the driven gear 88 is coaxially and fixedly connected to one end of the second correcting shaft 32.

The motor 81 rotates to drive the winding shaft 72 and the first driving pulley 82 to rotate, the winding shaft 72 rotates to wind the cut paper, the first driving pulley 82 rotates to drive the first belt 85 to rotate, the first belt 85 rotates to drive the first driven pulley 83 to rotate, the first driven pulley 83 rotates to drive the second belt 86 and the cutting shaft 51 to rotate, the second belt 86 rotates to drive the second driven pulley 84 to rotate, the second driven pulley 84 rotates to drive the first correction shaft 31 to rotate, the first correction shaft 31 rotates to drive the driving gear 87 to rotate, the driving gear 87 rotates to drive the driven gear 88 to rotate, the driven gear 88 rotates to drive the second correction shaft 32 to rotate, driving force is provided for the winding shaft 72, the cutting shaft 51, the first correction shaft 31 and the second correction shaft 32, and mechanical linkage of a slitting device of the rewinder is improved.

The embodiment of the application provides a slitting device of a rewinder, which is implemented by the following principle: the actuating mechanism 8 drives cutting mechanism 5, correction mechanism 3 and winding mechanism 7 work, and cutting mechanism 5 tailors the paper, and correction mechanism 3 eliminates the stress of paper, and guiding mechanism 4 guarantees the steady operation of paper, and it is neat to prove that the slitting of paper, adjusts the rate of tension of drum regulation paper for be convenient for cut and winding, winding mechanism 7 carries out the winding after cutting the paper on the paper loading mechanism 2, makes rewinder cutting device operation more convenient.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a rewinding machine cutting device which characterized in that includes:

a mounting base (1);

A paper loading mechanism (2), wherein the paper loading mechanism (2) is arranged on the installation base (1), and the paper loading mechanism (2) is used for installing a paper roll (23);

The correcting mechanism (3) is arranged on the mounting base (1), and the correcting mechanism (3) is used for guaranteeing the paper conveying direction;

A guide mechanism (4), the guide mechanism (4) being mounted on the mounting base (1), the guide mechanism (4) being for conveying paper;

The cutting mechanism (5) is arranged on the mounting base (1), and the cutting mechanism (5) is used for cutting paper;

The winding mechanism (7), the winding mechanism (7) is arranged on the mounting base (1), and the winding mechanism (7) is used for winding the cut paper;

The driving mechanism (8), the driving mechanism (8) is installed on the installation base (1), the driving mechanism (8) is connected with the winding mechanism (7), the driving mechanism (8) is connected with the correcting mechanism (3) and the cutting mechanism (5), and the driving mechanism (8) is used for driving the winding mechanism (7), the cutting mechanism (5) and the correcting mechanism (3) to move;

Wherein, the tailoring mechanism (5) comprises:

the two ends of the cutting shaft (51) are respectively penetrated and connected to the opposite side walls of the mounting base (1) in a rotating way, and the other end of the cutting shaft (51) is connected with the driving mechanism (8);

The three cutting knives (52) are uniformly coaxially sleeved and fixedly connected on the cutting shaft (51).

2. The rewinder slitting apparatus of claim 1, wherein the paper loading mechanism (2) comprises:

The support column (21), one end of the support column (21) is fixedly connected to the mounting base (1);

The paper loading shaft (22) is penetrated through and fixedly connected to one end, far away from the mounting base (1), of the supporting column (21);

the paper roll (23) is coaxially arranged in a penetrating way and is rotatably connected to the paper loading shaft (22);

The first clamp spring (24), the first clamp spring (24) is fixedly connected with one end of the paper loading shaft (22) far away from the support column (21).

3. The slitter device of claim 1, wherein the correction mechanism (3) comprises:

The two ends of the first correction shaft (31) are penetrated and connected to the side wall of the mounting base (1) in a rotating way, and the first correction shaft (31) is connected with the driving mechanism (8);

the second correcting shaft (32), both ends of the second correcting shaft (32) are penetrated and connected to the side wall of the mounting base (1) in a rotating way, the second correcting shaft (32) is arranged under the first correcting shaft (31), and the second correcting shaft (32) is connected with the driving mechanism (8).

4. The rewinder slitting apparatus of claim 1, wherein the guiding mechanism (4) comprises:

the first guide shaft (41) penetrates through the first guide shaft (41) and is rotatably connected to the mounting base (1);

The second guide shaft (42) is penetrated through and rotationally connected to the mounting base (1), and the first guide shaft (41) and the second guide shaft (42) are symmetrically arranged on the periphery of the cutting shaft (51) by taking the axis of the cutting shaft (51) as a center.

5. A rewinder slitting apparatus according to claim 3, wherein the winding mechanism (7) mounting comprises:

a fixed column (71), wherein the fixed column (71) is arranged on the installation base (1);

The winding shaft (72) is penetrated through and rotatably connected to one end, far away from the mounting base (1), of the fixed column (71), and the winding shaft (72) is connected with the driving mechanism (8);

The second clamp spring (73), the second clamp spring (73) is fixedly connected with one end of the rewinding shaft (72) far away from the fixed column (71).

6. The rewinder slitting apparatus of claim 5, wherein the driving mechanism (8) comprises:

The fixed end of the motor (81) is fixedly connected to the fixed column (71), and an output shaft of the motor (81) is coaxial with the winding shaft (72) and is fixedly connected;

The first driving belt pulley (82) is coaxially sleeved and fixedly connected to an output shaft of the motor (81);

the first driven belt wheel (83), the first driven belt wheel (83) is coaxially sleeved and fixedly connected to the cutting shaft (51);

The second driven belt pulley (84) is coaxially sleeved and fixedly connected to the first correction shaft (31);

the driving gear (87) is coaxially sleeved and fixedly connected to one end of the first correction shaft (31);

The driven gear (88) is coaxially sleeved and fixedly connected to one end of the second correction shaft (32), and the driving gear (87) is meshed with the driven gear (88);

A first belt (85), one end of the first belt (85) is connected to the first driving pulley (82) in a meshing manner, and the other end of the first belt (85) is connected to the first driven pulley (83) in a meshing manner;

And one end of the second belt (86) is connected to the first driven pulley (83) in a meshing manner, and the other end of the second belt (86) is connected to the second driven pulley (84) in a meshing manner.

7. The slitting device of a rewinding machine according to claim 1, wherein the mounting base (1) is symmetrically provided with adjusting grooves on two opposite side walls, an adjusting mechanism (6) is arranged between the cutting mechanism (5) and the winding mechanism (7), the adjusting mechanism (6) is mounted in the adjusting grooves, and the adjusting mechanism (6) comprises:

A slide block (61), wherein the slide block (61) is slidably connected in the adjusting groove;

The spring (62), one end of the spring (62) is fixedly connected with the bottom wall of the sliding block (61), and the other end of the spring (62) is arranged on the bottom wall of the adjusting groove;

The screw rod (64) is penetrated through and connected to the top wall of the adjusting groove in a threaded manner, and one end of the screw rod (64) is rotationally connected with the top wall of the sliding block (61);

and the two ends of the adjusting shaft (63) are respectively connected with the opposite side walls of the two sliding blocks (61) in a rotating way.

8. A rewinder slitting apparatus as claimed in claim 3, wherein: the first correction shaft (31), the cutting shaft (51) and the second correction shaft (32) are in an inverted V shape.