CN114434535A

CN114434535A - Slitting device for box paperboard papermaking equipment

Info

Publication number: CN114434535A
Application number: CN202210085903.9A
Authority: CN
Inventors: 冯荣华; 吴晓敏; 陈建东; 马晓鸣; 倪照连; 吴诗游
Original assignee: Zhejiang Rongsheng Paper Industry Holding Co ltd
Current assignee: Zhejiang Rongsheng Paper Industry Holding Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-06

Abstract

The invention discloses a slitting device for box paperboard papermaking equipment, which comprises a slitting box, a dust removal module and a blade cooling module, wherein a transmission mechanism is arranged in the middle of the slitting box, a first rotating shaft of the transmission mechanism is connected with a plurality of sliding sleeves in a sliding manner, the outer peripheral surface of the middle part of each sliding sleeve is provided with a cutting blade, the left part of the first rotating shaft of the transmission mechanism is connected with a cleaning rod, and the lower side in the slitting box is provided with a feeding mechanism; this device can cut the quick nimble regulation of interval, the precision is high, it is consuming time to reduce the process, and easy operation, and need not external tool, autoloading, boxboard is beated when two nip rolls can avoid cutting, make the incision more level and smooth, the yields of product is higher, first rotation axis still drives the rotatory convulsions of extraction fan leaf and filters the back and discharges, avoid air pollution, first rotation axis still drives the air-sending fan leaf blast air and blows out after the cooling, the cutting blade lasts effective heat dissipation cooling, improve its life, the fault rate is reduced.

Description

Slitting device for box paperboard papermaking equipment

Technical Field

The invention relates to the technical field of box paperboard processing equipment, in particular to a slitting device for box paperboard papermaking equipment.

Background

Cardboard paper, also known as kraft cardboard, is one of the main paper types of paper used for cartons. The cardboard paper is mainly adhered with corrugated paper core to make corrugated paper box for packing household appliance, daily used goods, knitted cotton fabric, stationery, Chinese and Western medicine, etc. The cardboard is made from sulfate wood pulp, waste hemp pulp, cotton stalk pulp, waste paper pulp, and rice and wheat straw pulp. The requirements for the boxboard are that the boxboard has certain compressive strength, toughness, breaking resistance, tear resistance and flat paper surface, the boxboard is the most widely used packaging product, and before the paperboard is not formed into a packaged finished product, the paperboard needs to be cut to obtain paperboard sheets with required sizes.

At present, current device of cutting when carrying out the cutting of boxboard, cuts the interval and need use tools to carry out the one-by-one regulation, and the operation degree of difficulty is big, loaded down with trivial details complicacy, and the process is long consuming time, and partial artifical pay-off exists safe risk simultaneously, and air pollution is serious, and just the incision department receives equipment vibration etc. easily when cutting of boxboard leads to the incision uneven, buckles etc. and leads to the yields to reduce, and the while is cut the long-term work of blade, and the temperature is higher, influences life.

Disclosure of Invention

The invention aims to provide a slitting device for box paperboard papermaking equipment, which can solve the defects in the prior art, the device can be used for quickly and flexibly adjusting the slitting distance, is high in accuracy, time-consuming in process reduction, simple to operate, free of external tools and capable of automatically feeding materials, two flattening rollers can avoid box paperboard jumping during cutting, so that a cut is smoother, the yield of a product is higher, a first rotating shaft also drives an exhaust fan blade to rotate, exhaust air after air draft filtration and avoid air pollution, the first rotating shaft also drives a fan blade to blow air out after cooling, and the cutting blade is continuously and effectively cooled, so that the service life of the cutting blade is prolonged.

In order to achieve the above purpose, the invention provides the following technical scheme: a slitting device for box paperboard papermaking equipment comprises a slitting box, a dust removal module and a blade cooling module, wherein a transmission mechanism is arranged in the middle of the slitting box, a plurality of sliding sleeves are slidably connected onto a first rotating shaft of the transmission mechanism, a cutting blade is arranged on the outer peripheral surface of the middle of each sliding sleeve, a cleaning rod is connected to the left part of the first rotating shaft of the transmission mechanism, a feeding mechanism is arranged on the lower side inside the slitting box, a second gear of the feeding mechanism is meshed and connected with a first gear of the transmission mechanism, a push-pull telescopic module is arranged on the upper side inside the slitting box, the lower parts of pin shafts of the push-pull telescopic module are rotatably connected with a U-shaped plate, the lower parts of the U-shaped plate are rotatably connected with the sliding sleeves through bearings, flattening protective modules are arranged on the lower sides of the left end and the right end of the U-shaped plate, a slitting interval adjusting module is arranged at the left end inside the slitting box, and the right part of a push block of the slitting interval adjusting module is rotatably connected with a telescopic frame of the push-pull telescopic module, cut box left end downside embedded dust removal module that is provided with, dust removal module from the driving wheel of driving mechanism through the belt connection, cut box left part upside and be provided with blade cooling module, the driven bevel gear meshing of blade cooling module connects drive mechanism's initiative bevel gear.

Preferably, drive mechanism includes first rotation axis, servo motor, first gear, action wheel and drive bevel gear, cut and rotate between the inside left end of box and the right-hand member and be connected with first rotation axis, the transversal rectangle of personally submitting of rotation axis, cut the box right-hand member and be provided with servo motor, servo motor's motor shaft passes through the first rotation axis of coupling joint, first rotation axis left part cover is equipped with first gear, first rotation axis right part runs through and cuts the box cover and be equipped with the action wheel, first rotation axis right-hand member is provided with drive bevel gear.

Preferably, feeding mechanism includes transfer roller, second gear and guide roller set, cuts the inside downside of box and is close to cutting blade department and rotates and be connected with guide roller set and transfer roller, and the transfer roller is located the upside of guide roller set, and the transfer roller right part cover is equipped with the second gear.

Preferably, the push-pull telescopic module comprises a telescopic frame, a pin shaft and a fixing seat, the fixing seat is arranged at the right end of the inner part of the slitting box, the left part of the fixing seat is rotatably connected with the telescopic frame, the middle part of the telescopic frame is rotatably connected with a plurality of pin shafts, and the pin shafts and the cutting blades are equal in quantity.

Preferably, the flattening protection module comprises a rotating arm and a flattening roller, the rotating arm is connected with a U-shaped plate in a rotating mode, and one side of the U-shaped plate is connected with the flattening roller in a rotating mode according to the principle of the lower portion of the rotating arm.

Preferably, the slitting interval adjusting module comprises a guide rod, a screw rod, a push block and a crank, the guide rod is fixedly connected to the left end inside the slitting box, the screw rod is rotatably connected to the left end inside the slitting box, the screw rod is located on the upper side of the guide rod, the push block is slidably connected to the left portion of the guide rod, the upper portion of the push block is in threaded connection with the screw rod through a ball sliding sleeve, and the left end of the screw rod penetrates through the slitting box and is connected with the crank.

Preferably, the dust removal module includes a dust prevention section of thick bamboo, the second rotation axis, the extraction fan leaf, from driving wheel, belt, pore filter screen and gross porosity filter screen, and the dust prevention section of thick bamboo is inside to rotate through the bearing frame and is connected with the second rotation axis, and second rotation axis right-hand member is provided with the extraction fan leaf, and second rotation axis left end is provided with from the driving wheel, and dust prevention section of thick bamboo middle part is provided with the pore filter screen, and dust prevention section of thick bamboo right-hand member is provided with the gross porosity filter screen.

Preferably, the blade cooling module includes the cooling box, the coiled pipe, the air supply hose, the blowing head, the wind channel, the third rotation axis, driven bevel gear, air supply fan leaf and air supply hard tube, the cooling box sets up in cutting the inside left end of box, both sides are provided with inlet tube and outlet pipe respectively about the cooling box left end, cooling incasement portion is provided with the coiled pipe, the coiled pipe right-hand member is connected with the air supply hose, the air supply hose other end runs through every U template upper portion, the air supply hose is located U template concave surface department and all is provided with a pair of blowing head, the wind channel sets up in wind channel left end upside, the inside rotation in wind channel is connected with the third rotation axis, third rotation axis lower extreme runs through the wind channel and is connected with driven bevel gear, third rotation axis upper end is provided with the air supply fan leaf, the wind channel upper end is provided with the air supply hard tube, the air supply hard tube other end is connected with the coiled pipe.

Preferably, be provided with a plurality of conducting strips on the coiled pipe, promote heat exchange efficiency, two wind blowing heads are the splayed range, conveniently blow two sides about cutting blade, promote heat radiating area.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the crank drives the screw rod to rotate, so that the push block is driven to push the telescopic frame to contract, the U-shaped plates are driven to reduce and adjust the spacing through the pin shafts, all sliding sleeves and cutting blades are driven to slide along the first rotating shaft to be adjusted in batches, and therefore the slitting spacing is adjusted quickly and flexibly, the accuracy is high, the time consumption of working procedures is reduced, the operation is simple, and external tools are not needed;

2. the carton board is fed onto the guide roller group from the rear part of the slitting box, the servo motor drives the first rotating shaft to rotate, the first rotating shaft drives the second gear and the conveying roller of the feeding mechanism to rotate through the first gear, automatic feeding is achieved, the safety risk of manual feeding is avoided, the first rotating shaft drives the cutting blade to slit the carton boards in batches through the sliding sleeve, the rotating arm is rotated, the two flattening rollers are respectively pressed on the carton boards on the left side and the right side of the cutting blade, the carton boards are prevented from jumping during cutting, the stability during slitting is improved, the cut is smoother, and the yield of products is higher;

3. meanwhile, a first rotating shaft of the transmission mechanism drives a driven wheel and a second rotating shaft through a driving wheel and a belt, so that the rotating air draft of the exhaust fan blade is driven, the exhaust is carried out after two-stage filtration through a coarse hole filter screen and a fine hole filter screen, air pollution is avoided, the first rotating shaft also drives a cleaning rod to rotate to clean the coarse hole filter screen and avoid blockage of a large box paperboard, the running stability of the equipment is ensured, meanwhile, the first rotating shaft of the transmission mechanism also drives a driven bevel gear and a third rotating shaft to rotate through a driving bevel gear, so that air is blown by a fan blade, the air is sent to a coiled pipe through an air supply hard pipe and is cooled by cold water in a cooling box, the air is sent to an air blowing head through an air supply hose and is uniformly blown out, the cutting blade is continuously and effectively cooled, the service life of the cutting blade is prolonged, and the failure rate is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is an enlarged view of A in the present invention.

Fig. 3 is a side view of a cutting blade of the present invention.

FIG. 4 is an enlarged view of B of the drawing of the present invention.

Fig. 5 is a schematic structural view of the push-pull expansion module according to the present invention.

Description of reference numerals:

1. cutting the box; 2. a first rotating shaft; 3. a sliding sleeve; 4. a cutting blade; 5. a servo motor; 6. a first gear; 7. a driving wheel; 8. a drive bevel gear; 9. a conveying roller; 10. a second gear; 11. a guide roller set; 12. a push-pull telescopic module; 13. a U-shaped plate; 14. a rotating arm; 15. flattening rollers; 16. a guide bar; 17. a screw rod; 18. a push block; 19. a crank; 20. a dust-proof cylinder; 21. a second rotation shaft; 22. an extraction fan blade; 23. a driven wheel; 24. a belt; 25. a fine-pore filter screen; 26. a coarse-pore filter screen; 27. cleaning the rod; 28. a cooling box; 29. a serpentine tube; 30. an air supply hose; 31. a blowing head; 32. an air duct; 33. a third rotation axis; 34. a driven bevel gear; 35. a fan blade; 36. an air supply hard pipe; 121. a telescopic frame; 122. a pin shaft; 123. a fixed seat.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Example one

The invention provides a slitting device for boxboard papermaking equipment as shown in figures 1-5, which comprises a slitting box 1, a dust removal module and a blade cooling module, wherein a transmission mechanism is arranged in the middle of the slitting box 1, a plurality of sliding sleeves 3 are slidably connected on a first rotating shaft 2 of the transmission mechanism, a cutting blade 4 is arranged on the outer peripheral surface of the middle part of each sliding sleeve 3, a cleaning rod 27 is connected on the left part of the first rotating shaft 2 of the transmission mechanism, a feeding mechanism is arranged on the lower side in the slitting box 1, a second gear 10 of the feeding mechanism is engaged with a first gear 6 of the transmission mechanism, a push-pull telescopic module 12 is arranged on the upper side in the slitting box 1, the lower part of a pin shaft 122 of the push-pull telescopic module 12 is rotatably connected with a U-shaped plate 13, the lower part of the U-shaped plate 13 is rotatably connected with the sliding sleeves 3 through bearings, flattening protection modules are arranged on the lower sides of the left end and the right end of the U-shaped plate 13, and a slitting space adjusting module is arranged at the left end in the slitting box 1, the right part of a push block 18 of the slitting interval adjusting module is rotatably connected with a telescopic frame 121 of the push-pull telescopic module 12, a dust removal module is embedded in the lower side of the left end of the slitting box 1, a driven wheel 23 of the dust removal module is connected with a driving wheel 7 of a transmission mechanism through a belt 24, a blade cooling module is arranged on the upper side of the left part of the slitting box 1, and a driven bevel gear 34 of the blade cooling module is meshed with a driving bevel gear 8 of the transmission mechanism.

Further, drive mechanism includes first rotation axis 2, servo motor 5, first gear 6, action wheel 7 and drive bevel gear 8, it is connected with first rotation axis 2 to cut to rotate between 1 inside left end of box and the right-hand member, the transversal rectangle of personally submitting of rotation axis 2, it is provided with servo motor 5 to cut 1 right-hand member of box, servo motor 5's motor shaft passes through the first rotation axis 2 of coupling joint, 2 left parts of first rotation axis overlap and are equipped with

first gear

6, 2 right parts of first rotation axis run through and cut 1 covers of box and be equipped with

action wheel

7, 2 right-hand members of first rotation axis are provided with drive bevel gear 8.

Further, feeding mechanism includes transfer roller 9, second gear 10 and guide roller group 11, cuts 1 inside downside of box and is close to cutting blade 4 department and rotates and be connected with guide roller group 11 and transfer roller 9, and transfer roller 9 is located the upside of

guide roller group

11, and 9 right parts of transfer roller overlap and be equipped with second gear 10.

Further, the telescopic push-pull module 12 comprises an expansion bracket 121, a pin shaft 122 and a fixed seat 123, the fixed seat 123 is arranged at the right end inside the slitting box 1, the left part of the fixed seat 123 is rotatably connected with the expansion bracket 121, the middle part of the expansion bracket 121 is rotatably connected with a plurality of pin shafts 122, and the pin shafts 122 and the cutting blades 4 are equal in number.

Further, the flattening protection module comprises a rotating arm 14 and a flattening roller 15, the rotating arm 14 is rotatably connected with the U-shaped plate 13, and one side of the U-shaped plate 13 is rotatably connected with the flattening roller 15 according to the principle of the lower part of the rotating arm 14.

Further, cut interval adjustment module and include guide bar 16, lead screw 17, ejector pad 18 and crank 19, guide bar 16 fixed connection is in cutting the inside left end of box 1, and lead screw 17 rotates to be connected in cutting the inside left end of box 1, and lead screw 17 is located the guide bar 16 upside, and 16 left parts sliding connection of guide bar has

ejector pad

18, and 18 upper portions of ejector pad are through ball sliding sleeve threaded connection lead screw 17, and the lead screw 17 left end runs through and cuts box 1 and be connected with crank 19.

Further, the dust removal module includes a dust prevention section of thick bamboo 20, second rotation axis 21, induced draft fan leaf 22, follow driving wheel 23, belt 24, pore filter screen 25 and coarse pore filter screen 26, dust prevention section of thick bamboo 20 is inside to rotate through the bearing frame and is connected with second rotation axis 21, second rotation axis 21 right-hand member is provided with induced draft fan leaf 22, second rotation axis 21 left end is provided with from driving wheel 23, dust prevention section of thick bamboo 20 middle part is provided with pore filter screen 25, dust prevention section of thick bamboo 20 right-hand member is provided with coarse pore filter screen 26.

Example two

first gear

action wheel

guide roller group

Further, the push-pull telescopic module 12 comprises a telescopic frame 121, a pin shaft 122 and a fixing seat 123, the fixing seat 123 is arranged at the right end inside the slitting box 1, the left part of the fixing seat 123 is rotatably connected with the telescopic frame 121, the middle part of the telescopic frame 121 is rotatably connected with a plurality of pin shafts 122, and the pin shafts 122 and the cutting blades 4 are equal in number.

ejector pad

18, and 18 upper portions of ejector pad pass through ball sliding sleeve threaded

connection lead screw

17, and 17 left ends of lead screw run through and cut box 1 and be connected with crank 19.

Further, the blade cooling module comprises a cooling box 28, a serpentine pipe 29, an air supply hose 30, a blowing head 31, an air duct 32, a third rotating shaft 33, a driven bevel gear 34, an air supply fan blade 35 and an air supply hard pipe 36, wherein the cooling box 28 is arranged at the left end inside the slitting box 1, the upper side and the lower side of the left end of the cooling box 28 are respectively provided with an inlet pipe and an outlet pipe, the serpentine pipe 29 is arranged inside the cooling box 28, the right end of the serpentine pipe 29 is connected with the air supply hose 30, the other end of the air supply hose 30 penetrates through the upper part of each U-shaped plate 13, the air supply hose 30 is provided with a pair of air blowing heads 31 at the inner concave surface of the U-shaped plate 13, the air duct 32 is arranged at the upper side of the left end of the air duct 32, the third rotating shaft 33 is rotatably connected inside the air duct 32, the lower end of the third rotating shaft 33 is connected with the driven bevel gear 34 through the air duct 32, the upper end of the third rotating shaft 33 is provided with the air supply fan blade 35, and the upper end of the air duct 32 is provided with the air supply hard pipe 36, the other end of the air supply hard pipe 36 is connected with the coiled pipe 29.

Further, a plurality of heat conducting fins are arranged on the coiled pipe 29, heat exchange efficiency is improved, the two air blowing heads 31 are arranged in an inverted splayed shape, air can be conveniently blown to the left and right sides of the cutting blade 4, and heat dissipation area is improved

The working principle of the invention is as follows: firstly, the crank handle 19 drives the screw rod 17 to rotate, so that the push block 18 is driven by the ball sliding sleeve to move right along the guide rod 16, the telescopic frame 121 of the push-pull telescopic module 12 is driven to contract, the U-shaped plate 13 is driven by the pin shaft 122 to reduce the interval, and all the sliding sleeves 3 and the cutting blades 4 are driven to slide along the first rotating shaft 2 to be adjusted in batch, so that the cutting interval can be adjusted quickly and flexibly, the precision is high, the time consumption of the process is reduced, the operation is simple, no external tool is needed, the box board is fed onto the guide roller group 11 from the rear part of the cutting box 1, the servo motor 5 of the transmission mechanism drives the first rotating shaft 2 to rotate, the first rotating shaft 2 drives the second gear 10 and the transmission roller 9 of the feeding mechanism to rotate through the first gear 6, automatic feeding is realized, the safety risk of manual feeding is avoided, the first rotating shaft 2 drives the cutting blades 4 to cut the box board in batch through the sliding sleeves 3, the rotating arm 14 is rotated, so that the two flattening rollers 15 are respectively pressed on the box board on the left side and the right side of the cutting blade 4, the box board is prevented from jumping during cutting, the stability during slitting is improved, the cut is smoother, and the yield of products is higher;

meanwhile, the first rotating shaft 2 of the transmission mechanism drives the driven wheel 23 and the second rotating shaft 21 through the driving wheel 7 and the belt 24, so as to drive the exhaust fan blade 22 to exhaust air in a rotating manner, the exhaust air is discharged after being filtered by two stages of the coarse hole filter screen 26 and the fine hole filter screen 25, so as to avoid air pollution, meanwhile, the first rotating shaft 2 also drives the cleaning rod 27 to rotate and clean the coarse hole filter screen 26 so as to avoid the blockage of a large box paperboard, so as to ensure the running stability of the equipment, meanwhile, the first rotating shaft 2 of the transmission mechanism also drives the driven bevel gear 34 and the third rotating shaft 33 to rotate through the driving bevel gear 8, so as to drive the air supply fan blade 35 to blow air, cold water which is sent to the coil pipe 29 through the air supply hard pipe 36 and passes through the cooling box 28 is cooled, the cold water is sent to the air blowing head 31 through the air supply hose 30 to be uniformly blown out, so as to continuously and effectively cool the cutting blade 4, so as to improve the service life and reduce the failure rate, the cold water in the cooling tank 28 can be quickly replaced through the water inlet pipe and the water outlet pipe.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a device of cutting that case cardboard papermaking equipment used, is including cutting box (1), dust removal module and blade cooling module, its characterized in that: the middle part of the slitting box (1) is provided with a transmission mechanism, a first rotating shaft (2) of the transmission mechanism is connected with a plurality of sliding sleeves (3) in a sliding way, the outer peripheral surface of the middle part of each sliding sleeve (3) is provided with a cutting blade (4), the left part of the first rotating shaft (2) of the transmission mechanism is connected with a cleaning rod (27), the lower side of the inside of the slitting box (1) is provided with a feeding mechanism, a second gear (10) of the feeding mechanism is meshed and connected with a first gear (6) of the transmission mechanism, the upper side of the inside of the slitting box (1) is provided with a push-pull telescopic module (12), the lower parts of pin shafts (122) of the push-pull telescopic module (12) are connected with a U-shaped plate (13) in a rotating way, the lower parts of the U-shaped plate (13) are connected with the sliding sleeves (3) in a rotating way through bearings, the lower sides of the left end and the right end of the U-shaped plate (13) are provided with flattening protection modules, the left end of the inside of the slitting box (1) is provided with a slitting interval adjusting module, the right part of a push block (18) of the slitting interval adjusting module is rotatably connected with a telescopic frame (121) of a push-pull telescopic module (12), a dust removing module is embedded into the lower side of the left end of the slitting box (1), a driven wheel (23) of the dust removing module is connected with a driving wheel (7) of a transmission mechanism through a belt (24), a blade cooling module is arranged on the upper side of the left part of the slitting box (1), and a driven bevel gear (34) of the blade cooling module is meshed with a driving bevel gear (8) of the transmission mechanism.

2. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: drive mechanism includes first rotation axis (2), servo motor (5), first gear (6), action wheel (7) and drive bevel gear (8), it is connected with first rotation axis (2) to rotate between the inside left end of box (1) and the right-hand member to cut, the transversal rectangle of personally submitting of rotation axis (2), it is provided with servo motor (5) to cut box (1) right-hand member, the motor shaft of servo motor (5) passes through coupling joint first rotation axis (2), first rotation axis (2) left part cover is equipped with first gear (6), first rotation axis (2) right part is run through and is cut box (1) cover and be equipped with action wheel (7), first rotation axis (2) right-hand member is provided with drive bevel gear (8).

3. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: feeding mechanism includes transfer roller (9), second gear (10) and guide roller set (11), cuts the inside downside of box (1) and just is close to cutting blade (4) department and rotates and be connected with guide roller set (11) and transfer roller (9), and transfer roller (9) are located the upside of guide roller set (11), and transfer roller (9) right part cover is equipped with second gear (10).

4. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: push-and-pull flexible module (12) include expansion bracket (121), round pin axle (122) and fixing base (123), and fixing base (123) set up in cutting the inside right-hand member of box (1), and fixing base (123) left part is rotated and is connected with expansion bracket (121), and expansion bracket (121) middle part is rotated and is connected with a plurality of round pin axles (122), and round pin axle (122) and cutting blade (4) quantity equal.

5. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: the flattening protection module comprises a rotating arm (14) and a flattening roller (15), the rotating arm (14) is rotatably connected with a U-shaped plate (13), and the lower part of the rotating arm (14) is connected with the flattening roller (15) in a rotating mode on one side of the U-shaped plate (13).

6. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: cut interval adjustment module and include guide bar (16), lead screw (17), ejector pad (18) and crank (19), guide bar (16) fixed connection is in cutting the inside left end of box (1), lead screw (17) rotate to be connected in cutting the inside left end of box (1), lead screw (17) are located guide bar (16) upside, guide bar (16) left part sliding connection has ejector pad (18), ball sliding sleeve threaded connection lead screw (17) are passed through on ejector pad (18) upper portion, lead screw (17) left end runs through and cuts box (1) and is connected with crank (19).

7. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: the dust removal module comprises a dust collection cylinder (20), a second rotating shaft (21), a fan blade (22), a driven wheel (23), a belt (24), a fine hole filter screen (25) and a coarse hole filter screen (26), wherein the dust collection cylinder (20) is connected with the second rotating shaft (21) in a rotating mode through a bearing seat, the right end of the second rotating shaft (21) is provided with the fan blade (22), the left end of the second rotating shaft (21) is provided with the driven wheel (23), the fine hole filter screen (25) is arranged in the middle of the dust collection cylinder (20), and the coarse hole filter screen (26) is arranged at the right end of the dust collection cylinder (20).

8. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: the blade cooling module comprises a cooling box (28), a coiled pipe (29), an air supply hose (30), an air blowing head (31), an air duct (32), a third rotating shaft (33), a driven bevel gear (34), an air supply fan blade (35) and an air supply hard pipe (36), wherein the cooling box (28) is arranged at the left end inside the slitting box (1), the upper side and the lower side of the left end of the cooling box (28) are respectively provided with an inlet pipe and an outlet pipe, the coiled pipe (29) is arranged inside the cooling box (28), the right end of the coiled pipe (29) is connected with the air supply hose (30), the other end of the air supply hose (30) penetrates through the upper part of each U-shaped plate (13), a pair of air blowing heads (31) are arranged at the concave surface inside the U-shaped plates (13) of the air supply hose (30), the air duct (32) is arranged at the upper side of the left end of the air duct (32), the third rotating shaft (33) is rotatably connected with the third rotating shaft (33), the lower end of the third rotating shaft (33) penetrates through the air duct (32) and is connected with the driven bevel gear (34), the upper end of the third rotating shaft (33) is provided with a fan blade (35), the upper end of the air duct (32) is provided with an air supply hard pipe (36), and the other end of the air supply hard pipe (36) is connected with a coiled pipe (29).

9. A slitting device for a linerboard papermaking equipment according to claim 1, characterized in that: be provided with a plurality of conducting strips on coiled pipe (29), promote heat exchange efficiency, two wind blowing heads (31) are the splayed range, conveniently blow two sides about cutting blade (4), promote heat radiating area.