Cutting, polishing and cutting-off all-in-one machine for wind power blade

Abstract

The utility model provides a cutting, polishing and cutting-off all-in-one machine for a wind power blade, which is used for cutting flashes of the wind power blade and comprises a moving trolley, a workbench, a cutting assembly, a cutting-off assembly and a polishing assembly. The moving trolley is used for moving in the length direction of the flash; the workbench is arranged on the moving trolley; the cutting assembly is connected to the workbench and used for cutting the flash in the length direction of the flash. The cut-off assembly is connected to the workbench and used for cutting off the flash in the width direction of the flash. The grinding assembly is connected to the workbench and used for grinding the cutting section of the flash in the length direction of the flash. The wind power blade flash cutting and polishing machine can achieve the functions of automatically cutting, cutting off and polishing wind power blade flashes, improves work efficiency, reduces labor intensity, and improves operation safety of workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power blade cutting equipment technical field more specifically, relate to a cutting and polishing cutting all -in -one for wind power blade. BACKGROUND

[0002] Current wind power blade generally through two materials combine mould bonding formation, forms the flash in the bonding place after shaping, needs cutting, polishing to the flash subsequently, mainly takes artificial to complete with angle grinder currently, the efficiency is low, and the labor intensity is big. And with the development of offshore wind power, wind power blade is bigger and bigger, artificial needs to run to 5m height to work, and the safety injury accident occurs frequently. UTILITY MODEL CONTENTS

[0003] (I) technical problem to be solved

[0004] The utility model solves the technical problem that the current wind power blade flash processing is mainly completed by artificial, and the problems of low efficiency, great labor intensity and low operation safety exist.

[0005] (II) technical scheme

[0006] In order to achieve the above object, the utility model adopts the technical scheme that:

[0007] The utility model provides a cutting and polishing cutting all -in -one for wind power blade for cutting the flash of wind power blade, including movable trolley, workstation, cutting assembly, cutting assembly and polishing assembly, movable trolley is used for moving along the length direction of the flash, workstation is located on movable trolley, cutting assembly is connected to the workstation and is used for cutting the flash along the length direction of the flash, cutting assembly is connected to the workstation and is used for cutting the flash along the width direction of the flash, polishing assembly is connected to the workstation and is used for polishing the cutting section of the flash along the length direction of the flash.

[0008] Preferably, the polishing assembly includes a polishing motor and a polishing head, the polishing head is connected to the output end of the polishing motor.

[0009] Preferably, the polishing assembly includes a polishing motor, a driven wheel, a driving wheel and a sand belt, the output end of the polishing motor is connected to the driving wheel, the driven wheel is rotatably connected to the workstation, and the sand belt is drivingly connected to the driving wheel and the driven wheel.

[0010] Preferably, it further includes a height detection sensor and a control module, the control module is electrically connected to the height detection sensor and the lifting assembly respectively, and the height detection sensor is used for detecting the distance between the workstation and the upper surface of the flash.

[0011] Preferably, the cutting assembly is flexibly connected to the moving trolley.

[0012] Preferably, a lifting assembly is further included, the lifting assembly connecting the moving trolley and the workbench, and the lifting assembly being capable of driving the workbench to lift relative to the moving trolley.

[0013] Preferably, the cutting assembly includes a frame, a cutting blade, a driving motor, and a guide assembly, the frame being connected to the workbench, the driving motor being installed on the frame, an output end of the driving motor being connected to the cutting blade, and the guide assembly being rotatably connected to the frame and abutting against the flash.

[0014] Preferably, the guide assembly includes an upper support frame, a lower support frame, a spring, an upper guide wheel set, and a lower guide wheel set, the upper support frame being connected to the frame, the upper support frame being rotatably connected with the upper guide wheel set, the upper guide wheel set abutting against an upper surface of the flash, the spring connecting the lower support frame and the frame, the lower guide wheel set being rotatably connected to the lower support frame, and the lower guide wheel set abutting against a lower surface of the flash.

[0015] Preferably, the cutting assembly further includes a first laser distance sensor and a second laser distance sensor, the first laser distance sensor and the second laser distance sensor being respectively arranged on two sides of the frame, and the first laser distance sensor and the second laser distance sensor being used to measure a distance between the cutting blade and the moving trolley.

[0016] Preferably, the cutting assembly further includes a dust suction device and a dust suction cover, the dust suction device being connected to the dust suction cover through a pipeline, and a dust suction port of the dust suction cover facing the flash.

[0017] Preferably, the lifting assembly includes a guide rail, a sliding rail, and a lifting drive, the guide rail being connected to the moving trolley, the sliding rail being connected to the workbench, the sliding rail being slidably connected to the guide rail, and the lifting drive being used to drive the sliding rail to move along the guide rail.

[0018] Preferably, the cutting assembly is a hydraulic shear.

[0019] Preferably, the cutting assembly includes a rotating motor, a driving gear, a driven gear, a rotating shaft, a swing arm, a cutting motor, and a cutting blade, an output end of the rotating motor being connected to the driving gear, one end of the rotating shaft being connected to the driven gear, the other end of the rotating shaft being connected to the swing arm, the cutting motor being arranged on the swing arm, an output end of the cutting motor being connected to the cutting blade, and the driving gear being engaged with the driven gear.

[0020] (Three) beneficial effects

[0021] The above technical solution of the utility model has at least the following advantages:

[0022] 1. In the utility model, the mobile trolley can automatically cruise along the length direction of the flash, the cutting assembly can realize cutting in the length direction of the flash, the cutting-off assembly can cut off the flash to completely separate the flash from the wind turbine blade body, and the polishing assembly can polish the cutting surface of the flash to polish the residual part of the flash, thereby realizing automatic cutting, cutting-off and polishing of the flash, improving work efficiency, reducing labor intensity and improving the operation safety of workers.

[0023] 2. In the utility model, the workbench is driven to lift by the lifting assembly, the cutting assembly, the cutting-off assembly and the polishing assembly can be adjusted in height according to wind turbine blades of different heights, and the versatility of the utility model for processing the flash of wind turbine blades of different heights is improved.

[0024] 3. In the utility model, the dust collection device and the dust collection cover connected with the dust collection device are arranged, the dust collection cover can be arranged at the corresponding position where dust is generated during the operation of the equipment, dust generated during the operation is sucked by the dust collection cover, dust raising in the workshop is reduced, and the health of workers is protected.

[0025] 4. In the utility model, the polishing assembly preferably polishes the cutting surface of the flash by using a sand belt, the sand belt can wrap and tightly contact the cutting surface of the flash to complete polishing by using the tension of the sand belt, the cutting surface of the flash can be guaranteed not to be damaged, the original shape of the cutting surface of the flash can be maintained, and the wind turbine blade can be guaranteed not to be damaged. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 is a structural schematic view of a cutting, polishing and cutting-off all-in-one machine for wind turbine blades provided by the first embodiment of the utility model.

[0028] Figure 2 is a structural schematic view of a cutting, polishing and cutting-off all-in-one machine for wind turbine blades provided by the first embodiment of the utility model.

[0029] Figure 3 is a structural schematic view of a lifting assembly provided by the first embodiment of the utility model.

[0030] Figure 4 is the front view of the lifting assembly provided by the embodiment one of the utility model.

[0031] Figure 5 is the structural schematic view of the cutting assembly provided by the embodiment one of the utility model.

[0032] Figure 6 is one of the use schematic view of the cutting assembly provided by the embodiment one of the utility model.

[0033] Figure 7 is the second use schematic view of the cutting assembly provided by the embodiment one of the utility model.

[0034] Figure 8 is the structural schematic view of the cutting and polishing and cutting integrated machine for wind power blade provided by the embodiment two of the utility model.

[0035] Figure 9 is one of the structural schematic view of the cutting assembly provided by the embodiment two of the utility model.

[0036] Figure 10 is the second structural schematic view of the cutting assembly provided by the embodiment two of the utility model.

[0037] Figure 11 is the structural schematic view of the polishing assembly provided by the embodiment two of the utility model.

[0038] The reference numerals in the drawing are:

[0039] 10, burr; 1, mobile trolley; 2, workbench; 3, lifting assembly; 4, cutting assembly; 5, cutting assembly; 6, polishing assembly; 7, height detection sensor; 8, control module; 31, guide rail; 32, slide rail; 33, lifting drive; 41, rack; 42, cutting piece; 43, drive motor; 44, guide assembly; 45, first laser ranging sensor; 46, second laser ranging sensor; 47, dust suction device; 48, dust suction cover; 51, rotating motor; 52, driving gear; 53, driven gear; 54, rotating shaft; 55, swing arm; 56, cutting motor; 57, cutting piece; 58, cutting dust suction cover; 59, bottom plate; 510, speed reducer; 511, sliding plate; 512, tension spring; 513, stopper; 591, first slide rail; 61, polishing motor; 62, polishing head; 63, driven wheel; 64, driving wheel; 65, abrasive belt; 66, base; 67, sliding finger plate; 661, second slide rail; 331, screw motor; 332, screw; 333, connecting plate; 441, upper support frame; 442, lower support frame; 443, spring; 444, upper guide wheel set; 445, lower guide wheel set; 481, dust suction port. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved clearer and more apparent, the utility model will be further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0042] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0043] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. The specific implementation of the utility model will be described in more detail in combination with specific embodiments:

[0044] As Figure 1 and Figure 2As shown in the utility model embodiment provides a kind of cutting and polishing cutting integrated machine for wind power blade, for cutting the flash 10 of wind power blade, including moving trolley 1, workbench 2, cutting assembly 4, cutting assembly 5 and polishing assembly 6;Moving trolley 1 is used to move along the length direction of flash 10;Workbench 2 is located on moving trolley 1;Cutting assembly 4 is connected to workbench 2, for cutting flash along the length direction of flash 10;Cutting assembly 5 is connected to workbench 3, for cutting flash 10 along the width direction of flash 10;Polishing assembly 6 is connected to workbench 3, for polishing the cutting section of flash 10 along the length direction of flash 10.Specifically, moving trolley 1 is preferably AGV trolley, AGV trolley is built-in with automatic cruise path program, can set corresponding automatic cruise path according to different wind power blades, specifically can be realized by using user debugging parameter.It needs to be explained that wind power blade is circumferential closed structure, generally formed by two pieces of material bonding, and flash is formed at bonding place, and AGV trolley can move along the length direction of flash according to preset automatic cruise path.Further, cutting assembly 4, cutting assembly 5 and polishing assembly 6 are sequentially arranged along the moving direction of moving trolley, cutting assembly 4 is in front, cutting assembly 5 is in the middle, and polishing assembly 6 is in the rear.

[0045] As one of the optional embodiments of the present embodiment, it further includes lifting assembly 3, lifting assembly 3 is connected with moving trolley 1 and workbench 2, and lifting assembly 3 can drive workbench 2 to lift relative to moving trolley 1.

[0046] As shown in the utility model embodiment, Figure 1 As one of the optional embodiments of the present embodiment, it further includes height detection sensor 7 and control module 8, control module 8 is electrically connected to height detection sensor 7 and lifting assembly 3 respectively, and height detection sensor 7 is used to detect the distance between workbench 2 and the upper surface of flash 10.Height detection sensor 7 is a laser ranging sensor, which can measure the distance between workbench 2 and the upper surface of flash 10 by laser ranging, and feed back the measured distance to control module 8, and control module 8 drives lifting assembly 3 to drive workbench 2 to move, so as to move workbench 2 to the height of the flash of corresponding wind power blade, and then the height of workbench 2 can be adjusted according to different height wind power blades, so that cutting assembly 4, cutting assembly 5 and polishing assembly 6 on workbench 2 can be adjusted to the height of corresponding flash 10.

[0047] As one of the optional embodiments of the present embodiment, cutting assembly 4 is flexibly connected to moving trolley 1.Specifically, cutting assembly 4 is flexibly connected to moving trolley 1 by rope, or cutting assembly 4 is flexibly connected to moving trolley 1 by chain.During the automatic cruise movement of moving trolley 1, cutting assembly can be driven to move forward by rope or chain, so as to realize the cutting of flash.

[0048] As Figure 5 , Figure 6 and Figure 7 shown, as one of the optional embodiments of the present embodiment, the cutting assembly 4 comprises a rack 41, a cutting blade 42, a driving motor 43 and a guide assembly 44, the rack 41 is connected to the workbench 42, the driving motor 43 is installed on the rack 41, the output end of the driving motor 43 is connected to the cutting blade 42, and the guide assembly 44 is rotationally connected to the rack 41 and abuts against the flash 10. Specifically, the driving motor 43 can drive the cutting blade 42 to rotate, thereby realizing the cutting function of the cutting blade 42. The guide assembly 44 is used for guiding in the length direction of the flash.

[0049] As one of the optional embodiments of the present embodiment, the guide assembly 44 comprises an upper support frame 441, a lower support frame 442, a spring 443, an upper guide wheel set 444 and a lower guide wheel set 445, the upper support frame 441 is connected to the rack 41, the upper support frame 441 is rotationally connected with the upper guide wheel set 444, the upper guide wheel set 444 abuts against the upper surface of the flash 10, the spring 443 connects the lower support frame 442 and the rack 41, and the lower guide wheel set 445 is rotationally connected to the lower support frame 442, the lower guide wheel set 445 abuts against the lower surface of the flash 10. The upper guide wheel set 444 and the lower guide wheel set 445 are both composed of a plurality of guide wheels, the plurality of guide wheels are arranged at intervals and can guide in the length direction of the flash. Specifically, the spring 443 can realize telescopic adjustment to adapt to the clamping of flashes of different thicknesses, and can ensure that the upper guide wheel set 444 and the lower guide wheel set 445 clamp both sides of the flash 10 during cutting. Further, each guide wheel is composed of a cylindrical wheel and a conical wheel 4451 connected to the cylindrical wheel, the conical wheel 4451 is used to match the inclined groove of the flash 10 to further realize stable guidance in the length direction of the flash.

[0050] As one of the optional embodiments of the present embodiment, the cutting assembly 4 further comprises a first laser distance sensor 45 and a second laser distance sensor 46, the first laser distance sensor 45 and the second laser distance sensor 46 are respectively arranged on both sides of the rack 41, and the first laser distance sensor 45 and the second laser distance sensor 46 are used to measure the distance between the cutting blade 42 and the moving trolley 1. The first laser distance sensor 45 is used to measure the distance between one side of the cutting blade 42 and the moving trolley 1, and the second laser distance sensor 46 is used to measure the distance between the other side of the cutting blade 42 and the moving trolley 1. Through the measurement and control of the distance by the two laser distance sensors, the cutting direction of the cutting blade 42 can always be in the length direction of the flash.

[0051] As one of the optional embodiments of the present embodiment, the cutting assembly 4 further comprises a dust suction device 47 and a dust suction cover 48, the dust suction device 47 is connected to the dust suction cover 48 through a pipeline, and a dust suction port 481 of the dust suction cover 48 faces the flash 10. Specifically, the dust suction assembly 47 is preferably a dust suction fan, which can generate a negative pressure environment when working, so that air flows into the dust suction assembly 47 from the dust suction port 481, thereby achieving the dust suction function. The dust suction cover 48 is not only arranged at the corresponding position of the cutting assembly 4, but also can be arranged at the corresponding position of the polishing assembly 6 to achieve the dust suction function for the entire working process.

[0052] As shown in Figure 3 and Figure 4 As one of the optional embodiments of the present embodiment, the lifting assembly 3 comprises a guide rail 31, a sliding rail 32 and a lifting drive 33, the guide rail 31 is connected to the moving trolley 1, the sliding rail 32 is connected to the workbench 2, the sliding rail 32 is slidingly connected to the guide rail 31, and the lifting drive 33 is used to drive the sliding rail 32 to move along the guide rail 31. Specifically, the lifting drive 33 comprises a lead screw motor 331, a lead screw 332 and a connecting plate 333, one end of the lead screw 332 is connected to the guide rail 31, the other end of the lead screw 332 is connected to the output end of the lead screw motor 331, the connecting plate 333 is fixedly connected to the sliding rail 32, the lead screw 332 is threadedly connected to the connecting plate 333, the lead screw motor 331 is started to drive the lead screw 332 to rotate, drive the connecting plate 333 to move along the length direction of the lead screw 332, thereby achieving the sliding function of the sliding rail 32 along the guide rail 31. In another embodiment, the lifting drive 33 can also be a pneumatic cylinder, which drives the workbench 2 to move to achieve the lifting function.

[0053] As one of the optional embodiments of the present embodiment, the cutting assembly 5 is a hydraulic shears. The hydraulic shears can achieve the rapid cutting of the flash.

[0054] As one of the optional embodiments of the present embodiment, the cutting assembly 5 comprises a rotating motor 51, a driving gear 52, a driven gear 53, a rotating shaft 54, a swing arm 55, a cutting motor 56 and a cutting piece 57. The output end of the rotating motor 51 is connected to the driving gear 52. One end of the rotating shaft 54 is connected to the driven gear 53. The other end of the rotating shaft 54 is connected to the swing arm 55. The cutting motor 56 is arranged on the swing arm 55. The output end of the cutting motor 56 is connected to the cutting piece 57. The driving gear 52 is engaged with the driven gear 53. Specifically, when the rotating motor 51 rotates forward, the rotating motor 51 can drive the driving gear 52 to rotate, thereby driving the driven gear 53 to rotate. When the rotating shaft 54 rotates, the swing arm 55 swings in the circumferential direction. The cutting motor 56 drives the cutting piece 57 to rotate at high speed. When the swing arm 55 swings downward, the cutting piece 57 cuts the flash. Similarly, when the rotating motor 51 rotates reversely, the swing arm 55 swings upward, and the cutting piece 57 resets. Further, a cutting dust cover 58 is arranged on the cutting piece 57. The cutting dust cover 58 is fixed on the swing arm 55. The cutting dust cover 58 is connected to the dust collection device 47 through a pipeline. The dust collection opening of the cutting dust cover 58 faces the working position of the cutting piece 57. Further, the rotating motor 51 is fixedly installed on a sliding plate 511. A first sliding rail 591 is arranged on the bottom plate 59. The sliding plate 511 is slidingly connected to the first sliding rail 591. A corresponding driving device (such as an air cylinder or a linear motor) can be used to drive the sliding plate 511 to move along the length direction of the first sliding rail 591, thereby realizing the position adjustment of the cutting assembly 5 along the width of the flash, so as to adapt to the cutting of the flash in different placement positions. Further, the rotating motor 51 is connected to the driving gear 52 through a speed reducer 510. More specifically, a tension spring 512 is arranged between the sliding plate 511 and the bottom plate 59. The tension spring 512 provides an acting force, so that the cutting piece 57 can always be in contact with the uncut flash during the working process, thereby realizing the cutting function. A limit stop 513 is arranged at the end of the bottom, so as to limit the maximum moving position of the sliding plate 511.

[0055] As one of the optional embodiments of the present embodiment, the polishing assembly 6 comprises a polishing motor 61 and a polishing head 62. The polishing head 62 is connected to the output end of the polishing motor 61. The polishing motor 61 drives the polishing head 62 to rotate, thereby realizing the polishing function of the cutting surface of the flash.

[0056] As one of the optional embodiments of the embodiment, the polishing assembly 6 comprises a polishing motor 61, a driven wheel 63, a driving wheel 64 and a sand belt 65, the output end of the polishing motor 61 is connected to the driving wheel 64, the driven wheel 54 is rotationally connected to the workbench 2, and the sand belt 65 is drivingly connected to the driving wheel 64 and the driven wheel 63. Specifically, the polishing motor 61 can drive the driving wheel 64 to rotate, thereby driving the sand belt 65 to move, so as to polish the cutting position of the flash. Further, one driving wheel 64 and two driven wheels 63 are arranged in a triangular shape, the sand belt 65 surrounds one driving wheel 64 and two driven wheels 63, and the sand belt 65 has a vertically arranged polishing surface for contacting the cutting position of the flash to achieve the polishing function. Further, the polishing motor 61 is fixedly installed on the sliding finger plate 67, the base 66 is provided with a second sliding rail 661, the sliding finger plate 67 is slidingly connected to the second sliding rail 661, and a corresponding driving device (such as an air cylinder, a linear motor, etc.) can be used to drive the sliding finger plate 67 to move along the length direction of the second sliding rail 661, thereby realizing the position adjustment of the polishing assembly 6 along the width of the flash to adapt to the polishing of the flash in different placement positions. By using the tension of the sand belt 65 itself, the cutting surface of the flash can be wrapped and tightly contacted to complete the polishing, so as to ensure that the cutting surface of the flash is not damaged and the original shape of the cutting surface of the flash is maintained.

[0057] The specific use process of the embodiment is as follows: first, the wind power blade is positioned and installed on the corresponding positioning tool to realize the clamping and fixing of the wind power blade, then the movement parameters of the moving trolley are debugged, and the automatic cruise path of the moving trolley is set, so that the automatic cruise path of the moving trolley matches the length direction of the flash of the wind power blade. Then the lifting assembly 3 is started, the workbench 2 is lifted to the height corresponding to the flash 10, then the cutting assembly 4 and the polishing assembly 6 are started, the cutting assembly 4 cuts the flash 10, so that the flash 10 is separated from the main body of the wind power blade, and then the polishing assembly 6 polishes the cutting surface of the flash, in the cutting process, the cutting assembly 5 can cut the flash when the flash is cut to a certain length, so that the flash 10 is completely separated from the main body of the wind power blade. Further, the automatic cutting, polishing and cutting of the flash of the wind power blade are realized.

[0058] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting, grinding and cutting-off all-in-one machine for wind power blades, for cutting flash of a wind power blade, characterized in that, The application relates to a mobile trolley, a workbench, a cutting assembly, a cutting-off assembly and a polishing assembly. The mobile trolley is used for moving along the length direction of the flash. The workbench is arranged on the mobile trolley. The cutting assembly is connected to the workbench and used for cutting the flash along the length direction of the flash. The cutting-off assembly is connected to the workbench and used for cutting off the flash along the width direction of the flash. The polishing assembly is connected to the workbench and used for polishing the cutting surface of the flash along the length direction of the flash.

2. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 1, characterized in that, The polishing assembly comprises a polishing motor and a polishing head connected to the output end of the polishing motor. Alternatively, the polishing assembly comprises a polishing motor, a driven wheel, a driving wheel and a sand belt, the output end of the polishing motor is connected to the driving wheel, the driven wheel is rotationally connected to the workbench, and the sand belt is transmissionally connected to the driving wheel and the driven wheel.

3. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 1, characterized in that, The application further comprises a lifting assembly connected to the mobile trolley and the workbench, and the lifting assembly can drive the workbench to lift relative to the mobile trolley.

4. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 1, characterized in that, The cutting assembly is flexibly connected to the mobile trolley.

5. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 1, characterized in that, The cutting assembly comprises a rack, a cutting-off piece, a driving motor and a guide assembly, the rack is connected to the workbench, the driving motor is arranged on the rack, the output end of the driving motor is connected to the cutting-off piece, and the guide assembly is rotationally connected to the rack and abuts against the flash.

6. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 5, characterized in that, The guide assembly comprises an upper support frame, a lower support frame, a spring, an upper guide wheel set and a lower guide wheel set, the upper support frame is connected to the rack, the upper support frame is rotationally connected to the upper guide wheel set, the upper guide wheel set abuts against the upper surface of the flash, the spring connects the lower support frame and the rack, the lower guide wheel set is rotationally connected to the lower support frame, and the lower guide wheel set abuts against the lower surface of the flash.

7. The cutting and polishing cutting-off all-in-one machine for wind power blades according to claim 5, characterized in that, The cutting assembly further comprises a first laser distance sensor and a second laser distance sensor, the first laser distance sensor and the second laser distance sensor are arranged on the two sides of the rack respectively, and the first laser distance sensor and the second laser distance sensor are used for measuring the distance between the cutting-off piece and the mobile trolley. 8.The wind power blade cutting and polishing cutting-off all-in-one machine of claim 5, wherein, The cutting assembly further comprises a dust collection device and a dust collection cover, the dust collection device is connected to the dust collection cover through a pipeline, and the dust suction port of the dust collection cover faces the flash. 9.The wind power blade cutting and polishing cutting-off all-in-one machine of claim 3, wherein, The lifting assembly comprises a guide rail, a sliding rail and a lifting drive, the guide rail is connected to the mobile trolley, the sliding rail is connected to the workbench, the sliding rail is slidingly connected to the guide rail, and the lifting drive is used for driving the sliding rail to move along the guide rail. 10.The wind power blade cutting and polishing cutting-off all-in-one machine of claim 1, wherein, The cutting-off assembly is a hydraulic shears. Alternatively, the cutting-off assembly comprises a rotation motor, a driving gear, a driven gear, a rotation shaft, a swing arm, a cutting-off motor and a cutting-off piece, the output end of the rotation motor is connected to the driving gear, one end of the rotation shaft is connected to the driven gear, the other end of the rotation shaft is connected to the swing arm, the cutting-off motor is arranged on the swing arm, the output end of the cutting-off motor is connected to the cutting-off piece, and the driving gear is engaged with the driven gear.

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