CN219075843U - Automatic cleaning device for circular knife - Google Patents

Abstract

The utility model discloses an automatic cleaning device for a circular knife, which comprises: the automatic cleaning device is arranged below a cutter head of the rolling machine set through the mounting assembly, when the cutter needs to be cleaned, the lifting assembly controls the spiral feeding assembly to be close to the cutter, the spiral feeding assembly controls the cleaning head to rotate and enables the cleaning head to perform linear motion on the mounting seat, the moving track of the cutter on the cleaning head is cylindrical spiral, meanwhile, the lubricating assembly sprays lubricating oil on the cleaning head, so that friction force between the cutter and the cleaning head is reduced, ink adhered on the cutter and incompletely cured mounting adhesive can be removed in the friction process of the cleaning head and the cutter, and the lubricating oil can cool the cutter; the utility model solves the problem that the cutter is easy to collapse when the temperature of the cutter is too high, and also solves the problem that the color of the finished product smoke is defective.

Description

Automatic cleaning device for circular knife

Technical Field

The utility model relates to the field of cigarette making and connecting units, in particular to a circular knife automatic cleaning device for a secondary slitting circular knife of a cigarette making machine.

Background

In the cigarette production process, one step is that a cigarette making machine needs to cut double-length cigarettes which are connected with tipping paper in a rubbing mode into finished cigarettes with equal length, in the actual production process of a cigarette rolling machine set, the temperature of a cutter is continuously increased due to larger friction force generated between a circular cutter and a cutting surface, the higher the hardness of the cut material is, the higher the temperature of the circular cutter is, the circular cutter is continuously high, the abrasion resistance of a cutting edge is reduced due to the fact that a cooling device is not arranged, so that the problem of abrasion or cutter breakage can occur, meanwhile, when the circular cutter cuts, ink on tipping paper and the tipping adhesive which is not cured completely are easily adhered to the circular cutter for the second time, the accumulated impurities can increase cutting resistance, so that the ink drop and glue adhesion are further increased, and when the ink and glue water mixture on the circular cutter are accumulated to a certain degree, the ink and glue particles can be transferred to the end face of the cigarettes when the circular cutter cuts the subsequent cigarettes, and the problem of dyeing defects of the cigarettes is caused.

Disclosure of Invention

The utility model aims to solve the problems that in the actual production process of the traditional rolling machine set, the temperature of a cutter is increased to cause abrasion or cutter breakage of the cutter due to large friction force generated between a circular cutter and a cutting surface, and meanwhile, ink and tipping adhesive are adhered to the cutter in the cutting process to cause defects of the color of a finished cigarette, so that the automatic circular cutter cleaning device is provided.

According to the utility model, the automatic cleaning device for the circular knife comprises: the cleaning head comprises a cleaning head body, a screw feeding assembly, a lifting assembly and a mounting assembly, and is characterized in that the mounting assembly comprises a fixing seat, the lifting assembly comprises a mounting seat, the cleaning head body is made of soft materials, the screw feeding assembly is used for enabling the cleaning head body to rotate in a screw mode, the screw feeding assembly comprises a mounting plate sliding on the mounting seat through a sliding rail, a first motor which is arranged on the opposite end face of the mounting plate and the fixing seat, an output shaft penetrates through the mounting plate, a screw rod is arranged on the end face, located on the same side as the cleaning head body, of the mounting plate, a transmission assembly which is connected with the cleaning head body and the screw rod in a transmission mode is arranged at the end portion of the output shaft of the first motor, and force generated by the first motor is transmitted to the cleaning head body and the screw rod through the transmission assembly, so that the cleaning head body rotates circumferentially, and the mounting plate moves linearly along the axis direction of the screw feeding assembly.

In one embodiment, the mounting assembly further comprises an adjusting seat and a supporting plate, wherein one end of the adjusting seat is movably connected with the fixing seat, so that the adjusting seat and the fixing seat form an included angle for mounting.

In one embodiment, the lifting assembly further comprises a lifting device and a power device connected with the lifting device, the installation seat is movably arranged at the top end of the supporting plate, the lifting device is fixedly arranged at the bottom of the supporting plate and is fixedly connected with the bottom of the installation seat, and the power device drives the lifting device to enable the installation seat to move in a lifting mode on the supporting plate.

In one embodiment, the jacking device comprises a bearing or a copper sleeve arranged on the supporting plate and a pin shaft movably connected with the bearing or the copper sleeve, and the top of the pin shaft is detachably connected with the mounting seat.

In one embodiment, the cleaning head further comprises a lubrication assembly, wherein the lubrication assembly comprises an oil valve, an oil dripping port opposite to the cleaning head and an oil pipe connecting an oil outlet of the oil valve and the oil dripping port.

In one embodiment, the bottom of fixing base is provided with convex recess, the top of adjusting the seat be provided with recess assorted boss, the cross-sectional shape of fixing base is L shape, be provided with the mounting hole on the lateral wall of fixing base perpendicular to horizontal plane, be provided with three first bar through-hole on the lateral wall of fixing base parallel to horizontal plane, the position that corresponds three first bar through-hole on the adjusting seat is provided with bolt assorted screw hole, three first bar through-hole is arranged in proper order on the fixing base.

In one embodiment, the transmission assembly comprises a driving gear, a first driven gear and a second driven gear, wherein the first driven gear and the second driven gear are meshed with the driving gear, the driving gear is arranged at the end part of the output shaft of the first motor, the first driven gear is arranged on the cleaning head, and the second driven gear is arranged on the movable nut of the screw rod.

In one embodiment, a dust cover plate is also included to enclose the cleaning device.

In one embodiment, the bottom of the supporting plate is provided with a control assembly comprising a controller, the first motor is electrically connected with the controller, the control assembly further comprises a limiting plate and detection switches electrically connected with the controller, the detection switches are arranged on the side wall of the supporting plate at intervals, the limiting plate is arranged on the side wall of the mounting plate on the same side as the two detection switches, and the position of the limiting plate is located between the two detection switches.

In one embodiment, a second bar-shaped through hole for the limiting plate to pass through is formed in the mounting seat corresponding to the limiting plate, so that the limiting plate moves left and right in the second bar-shaped through hole along with the screw feeding assembly.

According to the automatic round cutter cleaning device, the installation component, the lifting component, the spiral feeding component and the lubricating component are arranged, so that the automatic cleaning device is installed below a cutter head of a rolling machine set through the installation component, when the cutter needs to be cleaned, the spiral feeding component is controlled by the lifting component to be close to the cutter, the cleaning head is controlled by the spiral feeding component to rotate, the cleaning head is enabled to perform linear motion on the installation seat, the moving track of the cutter on the cleaning head is in a cylindrical spiral shape, meanwhile, the lubricating component sprays lubricating oil on the cleaning head, friction force between the cutter and the cleaning head is minimum, ink adhered on the cutter and not fully cured tipping glue can be removed in the friction process of the cleaning head and the cutter, and the lubricating oil can cool the cutter; the utility model solves the problem that the cutter is easy to collapse when the temperature of the cutter is too high, and also solves the problem that the color of the finished product smoke is defective.

Drawings

FIG. 1 is a schematic view of a circular knife automatic cleaning device according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a circular knife automatic cleaning device according to one embodiment;

FIG. 3 is a schematic structural view of a mounting assembly of the automatic circular knife cleaning device according to one embodiment;

FIG. 4 is a schematic top view of a mounting assembly of the automatic circular knife cleaning apparatus according to one embodiment;

FIG. 5 is a schematic rear view of a circular knife automatic cleaning device according to another embodiment;

FIG. 6 is a schematic view of a contact structure between a round blade and a cutter after a dust cover plate is installed in the round blade automatic cleaning device according to another embodiment;

the reference numerals and the names of the components in the drawings are collectively described as follows: the device comprises a fixed seat, a 2-adjusting seat, a 3-mounting seat, a 4-bolt, a 5-first strip-shaped through hole, a 6-first motor, a 7-driving gear, an 8-first driven gear, an 80-second driven gear, a 9-screw rod, a 10-cleaning head, an 11-oil dropping port, a 12-sliding rail, a 13-supporting plate, a 14-bearing, a 15-pin shaft, a 16-controller, a 17-detecting switch, a 18-cylinder, a 19-limiting plate, a 20-oil valve, a 21-oil pipe, a 22-dustproof cover plate, a 23-mounting plate, a 24-second strip-shaped through hole and a 25-second motor.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Fig. 1 to 6 show an automatic cleaning device for circular knives according to the present utility model, comprising: the device comprises a mounting assembly, a lifting assembly, a screw feeding assembly, a lubricating assembly and a control assembly, wherein the mounting assembly comprises a fixed seat 1, and the lifting assembly comprises a mounting seat 3; the automatic cleaning device comprises a mounting assembly, a rolling machine unit and a rolling machine unit, wherein the mounting assembly is used for mounting the automatic cleaning device below a cutting tool bit of the rolling machine unit; when the cutter needs to be cleaned, the lifting assembly enables the mounting seat 3 and the spiral feeding assembly on the mounting seat 3 to be lifted upwards, after the cleaning head 10 is in contact with the cutter, the lifting assembly stops running, then the spiral feeding assembly is started, the rotating force generated by the first motor 6 in the spiral feeding assembly is transmitted by the transmission assembly in two paths, one path is transmitted to the shaft rod of the cleaning head 10, the cleaning head 10 starts to rotate circumferentially, the other path is transmitted to the screw nut of the screw rod 9, the spiral feeding assembly is driven by the screw rod 9 to move linearly along the sliding rail 12 in a direction far away from the fixing seat 1, the cutter starts to run at the same time when the spiral feeding assembly is started, and the lubrication assembly starts to spray lubricating oil on the cleaning head 10, at the moment, the cutter rubs on the cleaning head 10 along the track of a spiral line, the cleaning head 10 can clean ink adhered on the cutter and the solidified tipping adhesive, meanwhile, the lubricating oil can exist on the cleaning head 10, friction force between the cutter and the cleaning head 10 is reduced, the lubricating oil can also play a role in the cutter, after the cleaning head material is used up, the lifting assembly controls the mounting of the cutter and the spiral feeding assembly to move along the sliding rail 12 in a direction away from the fixing seat 1, the cutter is controlled by the motor, the lubrication assembly starts to move back to the initial position when the cutter is controlled to rotate to the initial position 16, and the cutter needs to rotate back to the first and the initial position is controlled to be controlled to move back to the spiral feeding assembly to the initial position, and the cleaning assembly is controlled to start to rotate.

Fig. 1-5 show that the mounting assembly in this embodiment comprises a fixing base 1, an adjusting base 2 and a supporting plate 13, the fixing base 1 serving to fix the whole cleaning device, the adjusting base 2 being used to adjust the angle between the cleaning device and the tool, the supporting plate 13 being used to carry other assemblies. Wherein, fixing base 1 and adjusting seat 2 swing joint, adjusting seat 2 and fixing base 1's tip of being connected can do the pitch arc motion on fixing base 1, and the bottom of layer board 13 is provided with the control assembly including controller 16. In this embodiment, please refer to fig. 2 to 4, the bottom of the fixing member 1 is provided with a circular arc-shaped groove, the top of the adjusting seat 2 is provided with a boss matched with the groove, the groove and the boss cooperate with each other to enable the adjusting seat 2 to be more accurate when adjusting the angle, besides the arrangement of the groove and the boss, the contact part of the fixing seat 1 and the adjusting seat 2 can be completely attached, and when the contact part of the fixing seat 1 and the adjusting seat 2 is completely attached, the adjusting seat 2 can be fixed by adopting a screw and a threaded hole. The cross-sectional shape of fixing base 1 is L shape, is provided with the mounting hole on the lateral wall of fixing base 1 perpendicular to horizontal plane, is provided with three first bar through-hole 5 on the lateral wall of fixing base 1 parallel to the horizontal plane, and the position that corresponds three first bar through-hole 5 on the regulation seat 2 is provided with the screw hole with bolt 4 assorted, and three first bar through-hole 5 are arranged in proper order from front to back on fixing base 1. The adjusting seat 2 is embedded into the groove through the boss, the position of the bolt 4 in the first strip-shaped through hole is adjusted, and then the angle between the fixed seat 1 and the adjusting seat 2 is changed, it is worth to say that the adjusting seat 2 moves in parallel arc on the fixed seat 1, when the adjusting seat 2 rotates on the fixed seat 1, the rotating track of the end part of the adjusting seat 2, which is positioned on the fixed seat 1, is in a fan shape, when the adjusting seat 2 reaches a proper position, the position of the adjusting seat 2 is kept motionless on the fixed seat 1 through the cooperation between the bolt 4 and the threaded hole, the angle adjustment causes the follow-up all parts including the felt cleaning head 10 to change in installation angle, so that the included angle between the axis of the circular knife and the axis of the cleaning head 10 is created, the included angle between the fixed seat 1 and the adjusting seat 2 is adjusted from the mechanical structure, the moving track of the cutter on the surface of the cleaning head 10 is in a cylindrical spiral line, the cleaning head 10 can move more smoothly when the cutter is cleaned, and the supporting plate 13 is fixedly arranged on the adjusting seat 2 and is perpendicular to the fixed seat 1.

Referring to fig. 2 to 5, the fixing base 1 has an L-shaped cross-sectional shape, and mounting holes are provided on a sidewall of the fixing base 1 perpendicular to a horizontal plane. The surface of the fixing seat 1 vertical to the horizontal plane can be arranged on a wall through the mounting hole or directly arranged on the rolling machine set, and when the whole weight of the part of the supporting plate 13 far away from the fixing seat 1 is larger than that of the part of the fixing seat 1, the fixing seat 1 can always balance the cleaning device and cannot incline; the bolts 4 in the three first strip-shaped through holes 5 can move in parallel in the corresponding first strip-shaped through holes 5 and can also move up and down through the threads in the first strip-shaped through holes 5, and the positions of the three bolts 4 in the first strip-shaped through holes 5 are adjusted so that the positions of the bottoms of the three bolts 4 contacted with the boss tops of the adjusting seat 2 are changed.

The lifting assembly comprises a mounting seat 3, a lifting device and a power device connected with the lifting device, wherein the mounting seat 3 is movably arranged at the top end of a supporting plate 13, the lifting device is fixedly arranged at the bottom of the supporting plate 13 and is fixedly connected with the bottom of the mounting seat 3, and the lifting device is started by the power device so as to enable the mounting seat 3 to move up and down on the supporting plate 13. By the arrangement, the spiral feeding assembly arranged on the mounting seat 3 can be driven by the jacking device to be close to the circular knife or far away from the circular knife, when the circular knife needs to be cleaned, the jacking device is controlled by the power device to be started, the jacking device drives the mounting seat 3 to ascend, the spiral feeding assembly is contacted with the circular knife, and when the circular knife is cleaned, the spiral feeding assembly is carried to descend to the initial position. In this embodiment, please refer to fig. 1, the power device is an air cylinder 18, when the power device is the air cylinder 18, the power device is pneumatically connected with the jacking device, meanwhile, the power device may also be an electric motor, and when the power device is an electric motor, the power device is electrically connected with the jacking device.

In this embodiment, please refer to fig. 1 and 3, the jacking device includes bearings 14 disposed at four corners of the bottom of the supporting plate 13, and pins 15 movably connected to the bearings 14, and the tops of the four pins 15 are detachably connected to the mounting base 3. It should be noted that, the combination of the bearing 14 or the copper bush and the pin 15 may be replaced with a device having a telescopic function, such as a living hinge and a parallelogram telescopic link, etc., and meanwhile, the bearing 14 and the pin 15 may also be replaced with a device having a power push rod, such as an electric push rod and a hydraulic push rod, etc., and when the bearing 14 and the pin 15 are replaced with a device having a power push rod, the cylinder 18 is replaced with a device having a power push rod or a hydraulic push rod correspondingly.

The spiral feeding assembly comprises a mounting plate 23, a sliding rail 12, a first motor 6 electrically connected with a controller 16, a cleaning head 10 and a screw rod 9 which are in transmission connection with the first motor 6 through a transmission assembly, the first motor 6 is started through the controller 16, the rotation force on the output shaft of the first motor 6 is correspondingly transmitted to the cleaning head 10 and the screw rod 9 through the transmission assembly in two paths, the cleaning head 10 rotates around a central shaft and simultaneously moves forwards and linearly under the driving of the screw rod 9, automatic spiral feeding of the felt cleaning head 10 is finally realized, meanwhile, the controller 16 can control the first motor 6 to rotate forwards or reversely, when the first motor 6 rotates forwards, the whole spiral feeding assembly moves linearly along the sliding rail 12 in a direction away from the fixed seat 1, when the first motor 6 rotates reversely, the whole spiral feeding assembly moves linearly from the end of the sliding rail 12 away from the fixed seat 1 to the end close to the fixed seat 1, and then moves forwards and starts to clean a circular knife from the initial end, and the next working cycle is started. It should be noted that the cleaning head 10 is made of felt material, which has excellent wear-resisting property and rebound property, and has good cleaning effect on the cutter during the cutting process of the cutter.

In fig. 1, the transmission assembly comprises a driving gear 7, a first driven gear 8 and a second driven gear 80 which are all meshed with the driving gear 7, the driving gear 7 is arranged at the end part of the output shaft of the first motor 6, the first driven gear 8 is arranged on the cleaning head 10, and the second driven gear 80 is arranged on the movable nut of the screw rod 9. In this way, the driving gear 7 on the output shaft of the first motor 6 simultaneously rotates the cleaning head 10 and the movable nut of the screw rod 9 linearly moves on the screw rod 9 through the two first driven gears 8. It should be noted that the transmission assembly may be mounted in various manners, for example, the output shaft of the first motor 6 may be coaxial with the shaft of the cleaning head 10 or the shaft of the screw 9.

The lubricating assembly comprises an oil valve 20 and an oil drop 11 communicated with an oil outlet of the oil valve 20 through an oil pipe 21, wherein the oil drop 11 is arranged opposite to the cleaning head 10. The lubricating oil in the oil tank is introduced into the oil pipe 21 through the oil valve 20, and the lubricating oil is sprayed on the cleaning head 10 from the oil drop 11, so that the friction force between the cleaning head 10 and the cutter can be reduced when the cleaning head 10 rubs against the cutter, the track of the cutter on the cleaning head 10 is smoother, and meanwhile, the temperature of the cutter can be reduced by the lubricating oil, so that the aim of rapid cooling is achieved.

In another embodiment, as shown in fig. 1, the control assembly further includes a limiting plate 19 and two detecting switches 17 electrically connected to the controller 16, where the two detecting switches 17 are disposed on a sidewall of the supporting plate 13 at intervals, the limiting plate 19 is disposed on a sidewall of a mounting plate 23 on the same side as the two detecting switches 17, and a position of the limiting plate 19 is located between the two detecting switches 17. Two detection switches 17 and limiting plate 19 set up simultaneously in same one side, when limiting plate 19 is being driven by the screw feeding subassembly and is moving to the direction of keeping away from fixing base 1, limiting plate 19 can touch the detection switch 17 on the left, detection switch 17 transmits information to controller 16, controller 16 controls first motor 6 stop work, at this moment, the track that indicates the cutter has reached the end that cleaning head 10 is nearest from mounting panel 23, let first motor 6 reverse rotation simultaneously, limiting plate 19 will be driven by the screw feeding subassembly and move towards fixing base 1 direction, the limit handle can touch the detection switch 17 on the right, and then let controller 16 control first motor 6 stop work, let whole screw feeding subassembly get back to the home position, wait to get into next operating condition. The limiting plate 19 and the two detection switches 17 enable the cleaning device to be kept aside without manual work when in operation, so that the cleaning device is more automatic, and workers can have more time to do other related works.

Referring to fig. 1 and 2, a second bar-shaped through hole 24 for the limiting plate 19 to pass through is provided on the mounting base 3 corresponding to the position of the limiting plate 19, so that the limiting plate 19 moves left and right in the second bar-shaped through hole 24 along with the screw feeding assembly. In order to enable the limiting plate 19 to touch the two detection switches 17 more accurately, the mounting seat 3 is provided with the second strip-shaped through hole 24, so that the limiting plate 19 is attached to the two detection switches 17 more accurately when in touch. The length of the second bar-shaped through hole 24 is greater than or equal to the length between the two detection switches 17. Further, two detection switches 17 are correspondingly arranged at the ends of the mechanical distance of the reciprocating movement of the screw feeding assembly, so as to fully ensure the movement distance of the screw feeding assembly and fully enable the cutter to clean on the cleaning head 10.

In another embodiment, referring to fig. 5, a second motor 25 is disposed on the mounting base 3 and is in driving connection with the screw 9. Instead of using the first motor 6 to simultaneously control the rotation of the cleaning head 10 and the reciprocating movement of the screw feeding assembly, a dual motor mechanism may be employed, the first motor 6 being coaxial with the shaft of the cleaning head 10, the first motor 6 directly driving the cleaning head 10 to rotate; meanwhile, the second motor 25 is coaxial with the screw rod 9, drives the screw rod 9 to rotate, and drives the whole spiral feeding assembly to linearly move through the screw rod 9.

In another embodiment, please refer to fig. 6, further comprising a dust cover 22 closing the cleaning device. In order to avoid dust entering the interior of the cleaning device, which affects the functions of the screw feed assembly and the lifting assembly, a dust cover plate 22 is provided.

According to the automatic cleaning device, the mounting component is arranged, so that the cleaning device can be mounted below the rolling machine set, meanwhile, the mounting component provides mounting positions for other components, when the cutter needs to be cleaned, a certain included angle is formed between the cleaning head 10 and the cutter through the position of the adjusting bolt 4 in the first strip-shaped through hole 5, the track of the cutter on the cleaning head 10 is a cylindrical spiral line, the cleaning head 10 can be fed forward while cleaning the circular cutter, when the cleaning head 10 is fed, the circular cutter does not need to be cut out, the circular cutter is always in a cleaned state, the frequency of cutting in and cutting out the circular cutter from the cleaning head is reduced, the cost of the cleaning head 10 is saved, the lifting component controls the spiral feeding component to be in contact with the cutter, the controller 16 controls the rotation of the cleaning head 10 on the spiral feeding component and the whole spiral feeding component to move towards the cutter, meanwhile, the lubricating component enables lubricating oil to be sprayed on the cleaning head 10, friction between the cutter and the cleaning head 10 to be reduced, the ink on the cutter and the incompletely cured adhesive can be removed when the cutter is cooled rapidly, and the problem that the ink is not completely adhered to the cutter is easily is solved when the temperature is high, and the problem of incomplete adhesive is solved.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a circular knife self-cleaning device, includes cleaning head (10), screw feeding subassembly, lifting unit and installation component, its characterized in that, the installation component includes fixing base (1), lifting unit includes mount pad (3), cleaning head (10) adopt soft material preparation, screw feeding subassembly is used for letting cleaning head (10) carry out helical rotation, screw feeding subassembly includes through slide rail (12) gliding mounting panel (23) on mount pad (3), dress in mounting panel (23) with just the output shaft runs through on the opposite terminal surface of fixing base (1) first motor (6) of mounting panel (23) be located on the terminal surface with cleaning head (10) same side on mounting panel (23) be provided with lead screw (9) first motor (6) output shaft tip is provided with all with the drive assembly of cleaning head (10) and lead screw (9) transmission connection, through drive assembly is with the power transmission that first motor (6) produced to cleaning head (10) and lead screw (9) on, so that let cleaning head (10) circumference rotate, let mounting panel (23) take in the direction of linear motion along screw feeding subassembly (3) on the linear motion of mounting panel (3).

2. The automatic circular knife cleaning device according to claim 1, wherein the mounting assembly further comprises an adjusting seat (2) and a supporting plate (13), and one end of the adjusting seat (2) is movably connected with the fixed seat (1) so that the adjusting seat (2) and the fixed seat (1) form an included angle for mounting.

3. The automatic circular knife cleaning device according to claim 2, wherein the lifting assembly further comprises a lifting device and a power device connected with the lifting device, the installation base (3) is movably arranged at the top end of the supporting plate (13), the lifting device is fixedly arranged at the bottom of the supporting plate (13) and fixedly connected with the bottom of the installation base (3), and the power device drives the lifting device to enable the installation base (3) to move up and down on the supporting plate (13).

4. A circular knife automatic cleaning device according to claim 3, characterized in that the jacking device comprises a bearing (14) or a copper bush arranged on a supporting plate (13) and a pin shaft (15) movably connected with the bearing (14) or the copper bush, wherein the top of the pin shaft (15) is detachably connected corresponding to the mounting seat (3).

5. The automatic cleaning device according to claim 1, further comprising a lubrication assembly comprising an oil valve (20), an oil drip (11) facing the cleaning head (10), and an oil pipe (21) connecting the oil outlet of the oil valve (20) with the oil drip (11).

6. The circular knife automatic cleaning device according to claim 2, wherein the bottom of the fixing seat (1) is provided with a circular arc-shaped groove, the top of the adjusting seat (2) is provided with a boss matched with the groove, the cross section of the fixing seat (1) is L-shaped, the side wall of the fixing seat (1) perpendicular to the horizontal plane is provided with a mounting hole, the side wall of the fixing seat (1) parallel to the horizontal plane is provided with a first bar-shaped through hole (5), and a part of the adjusting seat (2) corresponding to the first bar-shaped through hole (5) is provided with a threaded hole matched with the bolt (4).

7. The automatic circular knife cleaning device according to claim 1, wherein the transmission assembly comprises a driving gear (7), a first driven gear (8) and a second driven gear (80) which are all meshed with the driving gear (7), the driving gear (7) is arranged at the end part of an output shaft of the first motor (6), the first driven gear (8) is arranged on the cleaning head (10), and the second driven gear (80) is arranged on a movable nut of the screw rod (9).

8. The automatic circular knife cleaning device according to claim 1, further comprising a dust cover plate (22) closing the cleaning device.

9. The automatic circular knife cleaning device according to claim 2, wherein a control assembly comprising a controller (16) is arranged at the bottom of the supporting plate (13), the first motor (6) is electrically connected with the controller (16), the control assembly further comprises a limiting plate (19) and detection switches (17) electrically connected with the controller (16), the detection switches (17) are arranged on the side wall of the supporting plate (13) at intervals, the limiting plate (19) is arranged on the side wall of a mounting plate (23) on the same side as the two detection switches (17), and the position of the limiting plate (19) is located between the two detection switches (17).

10. The automatic circular knife cleaning device according to claim 9, wherein a second bar-shaped through hole (24) for the limiting plate (19) to pass through is arranged on the mounting seat (3) at a position corresponding to the limiting plate (19), so that the limiting plate (19) moves left and right in the second bar-shaped through hole (24) along with the screw feeding assembly.

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