Automatic gluing device for wind power blade web

Abstract

The invention belongs to the technical field of wind power blade production and manufacturing, and particularly relates to a wind power blade web automatic gluing device which comprises a frame, a tractor is arranged on the frame, universal wheels arranged on the to-be-glued face of a web in a rolling mode are arranged at the bottom of the tractor, and power wheels abutting against the side faces of the web are arranged on the two sides of the bottom of the tractor. A gluing device, a first gluing positioner, a first width-variable glue type device and a first height-variable glue type device are sequentially arranged on a frame on the rear side of the tractor, and the first gluing positioner and the first width-variable glue type device are located on the two sides of a web gluing area respectively; one side of the frame is connected with a ground trolley through a connecting bracket, and a glue supply device is arranged on the ground trolley. According to the invention, the frequency of manual operation and the labor intensity of personnel are reduced, efficient, accurate and automatic gluing can be realized on the single web and the double webs of the wind power blade for die assembly, the automation level of die assembly is improved, the labor intensity of the personnel is reduced, and the material cost is saved.

Description

Technical Field

[0001] The invention belongs to the technical field of wind turbine blade production and manufacturing, and in particular relates to an automatic gluing device for a wind turbine blade web. Background Art

[0002] During the manufacturing process of blades, gluing on the mold web is one of the key steps. Traditional gluing methods usually rely on manual glue pushing technology, which has problems such as uneven gluing, high labor intensity, and high technical difficulty, which can cause glue bubbles, glue shortage, uncertainty of glue type and glue quantity, difficulty in controlling glue thickness, and insufficient reliability of bonding strength. In addition, existing automated gluing equipment usually requires the laying of guide rails around the mold, which increases equipment cost and technical complexity.

[0003] The existing patent with patent number CN1 15999841A discloses a refined gluing device and its use method for the gluing process of wind turbine blades, including a workshop I-beam column fixedly installed in the production workshop, a wall-mounted track is installed on the upper right side of the workshop I-beam column, and also includes a crossbeam, the crossbeam includes a crossbeam running component, a crossbeam body and a rotating unit, the wall-mounted track includes an upper track and a lower track, the upper track is provided with an upper tube, the lower track is provided with a lower tube, and the crossbeam running component is installed on the lower right side of the upper tube and the upper left side of the lower tube; the wall-mounted track, the crossbeam running component, the crossbeam body, the gluing assembly, the rotating unit, the vertical support column and the follow-up transport trolley together constitute a refined gluing mechanism. The refined gluing device and its use method for the gluing process of wind turbine blades can realize the integrated design of the gluing operation equipment during use, forming a systematic gluing operation plan. The gluing device adopts a combination of gantry and wall track types, and can only complete gluing operations at fixed positions on fixed surfaces such as cranes and walls. Gluing on the web requires high precision and complex trajectories. The device cannot perform conformal gluing according to the shape of the chordal bending of the web, and cannot ensure the positional consistency between the bonding surface of the web and the adhesive. It is easy to have quality problems such as glue shortage caused by glue offset, and is not suitable for gluing operations on the molded web.

[0004] In the prior art, glue coating on the blade mold belly plate usually adopts a fixed glue coating box, which results in a consistent overall glue output. There is a technical problem that the amount of glue for belly plate bonding does not match the amount of glue coating required for different gap intervals of the belly plate.

[0005] The existing patent with patent number CN213000951U discloses a gluing device for the bottom of the web of a wind turbine blade, which includes a walking device, a glue storage tank, a glue scraping box, and a lateral limit device, wherein the glue scraping box is installed on a lifting column, and the lifting column can drive the glue scraping box to move up and down to adjust the height, and the glue scraping box is connected to the glue storage tank through a glue delivery pipe. The glue scraping boxes are a pair, respectively located on the two outer sides of the corresponding blade web, and the glue scraping boxes are in contact with the side of the bottom of the blade web. The side contacted by the glue scraping boxes is provided with a glue leakage hole. The glue coating device uses a fixed glue scraping box to contact the web and apply glue. The glue scraping box is a single fixed glue mold port, and the glue amount of the glue outlet is fixed. When facing the glue amount requirements of different web bonding widths and different gaps, it cannot be guaranteed to meet all the actual glue amounts, and the problem of mismatch between the required glue amount and the actual glue amount is prone to occur.

[0006] In addition, process robots and automated equipment have been widely used in the wind turbine blade industry, but the automated gluing technology in the wind turbine blade manufacturing process is still in the research and design stage at home and abroad, and automated gluing equipment that can replace manual labor has not yet been realized. Summary of the invention

[0007] In order to solve the technical problem that the amount of glue cannot be controlled as required when applying glue along the web track, the present invention provides an automatic glue application device for the web of a wind turbine blade.

[0008] The objective of the present invention is achieved by adopting the following technical solutions. According to the present invention, an automatic gluing device for the web of a wind turbine blade is provided, comprising a frame for being arranged above the web surface to be glued, a tractor for running on the web surface to be glued is arranged on the frame, a universal wheel rollingly arranged on the web surface to be glued is arranged at the bottom of the tractor, and power wheels are arranged on both sides of the bottom of the tractor against the side of the web; a glue applicator, a first glue positioning device stuck on the side and top of the web at the same time, a first width variable glue molder capable of moving chordally at the top of the web, and a first height variable glue molder capable of moving vertically above the web are arranged on the frame at the rear side of the tractor in sequence, the first glue positioning device and the first width variable glue molder are respectively located on both sides of the web gluing area; one side of the frame is connected to a ground trolley for synchronously running on the ground where the blade mold is located through a connecting bracket, a glue supply device is arranged on the ground trolley, and the connecting bracket is fixed with a first soft mixing pipe for connecting the glue supply device and the glue applicator and a power supply line for powering the electrical equipment on the frame.

[0009] Furthermore, the tractor includes a control motor and a reducer for driving the power wheels.

[0010] Furthermore, the glue supply device is provided with a glue quantity sensor for detecting the glue quantity output and feeding back to the glue supply device to adjust the glue supply quantity.

[0011] Furthermore, an infrared sensor for detecting the temperature of the adhesive applied on the top of the web is provided on the frame at the rear side of the first variable height glue mold device, and the infrared sensor is communicatively connected with the temperature control device in the glue supply device.

[0012] Furthermore, an elastic device is provided between the connecting bracket and the frame for pre-pressing the power wheel on one side of the frame against the side of the corresponding web.

[0013] Furthermore, the movable wheel bracket on the side of the frame away from the ground trolley where the power wheel is located is arranged on a corresponding chordal limiter, the chordal limiter is arranged on the frame and can drive the movable wheel bracket to move in the chordal direction, and a ranging sensor is arranged at a position of the movable wheel bracket close to the power wheel, and the ranging sensor is communicatively connected with the chordal locator.

[0014] Furthermore, the first glue coating positioner is connected to the corresponding chord-wise positioner to keep the first glue coating positioner in contact with the side and top surfaces of the web.

[0015] Furthermore, the first variable width mold device and the first variable height mold device are both connected to corresponding gear rack structures, wherein the rack fixed to the first variable width mold device extends in the chordal direction, and driven by the corresponding gear, the first variable width mold device moves in the chordal direction; the rack fixed to the first variable height mold device extends in the vertical direction, and driven by the corresponding gear, the first variable height mold device moves in the vertical direction, the gear is connected to the corresponding motor, and the motor is electrically connected to the control box 20.

[0016] Furthermore, a glue quantity laser rangefinder, a glue replenisher, a second glue coating positioner, a second variable width glue coating device, and a second variable height glue coating device are sequentially provided on the frame on the rear side of the first variable height glue coating device, and the glue quantity laser rangefinder is communicatively connected with the glue supply device, the glue replenisher has the same structure as the glue coating device, and is connected to the glue supply device through its corresponding second soft mixing tube; the second glue coating positioner, the second variable width glue coating device, and the second variable height glue coating device are the same as the first glue coating positioner, the first variable width glue coating device, and the first variable height glue coating device.

[0017] Furthermore, driven wheels and counterweights are arranged on both sides of the rear of the frame and abut against corresponding sides of the web.

[0018] Compared with the prior art, the present invention is beneficial in that:

[0019] The present invention integrates a gluing device with a variable amount of glue, a power device for clamping the web at all times, a device for detecting and collecting and replenishing glue, and operates the device through wired or wireless remote control. The operator can control the movement, precise gluing, glue type switching control, glue type detection, collecting and replenishing glue of the device, thereby reducing the frequency of manual operation and labor intensity of personnel. Efficient, precise and automatic gluing can be achieved on both the single web and the double web of the wind turbine blade mold, thereby improving the level of mold automation, reducing labor intensity and saving material costs.

[0020] Compared with the existing manual glue pushing technology, a guiding device for precise glue coating equipment is formed by setting a tractor and a ground trolley on the belly plate, which is combined with intelligent positioning technology to ensure that there is no deviation in the gluing process and the stability of the gluing position; at the same time, the glue speed, glue amount and glue type, variable glue type switching, glue coating amount detection and automatic glue filling are precisely controlled, which reduces the excess glue amount, pauses and adjustment time during the gluing process, reduces material costs, and ensures the continuity and stability of the production line, realizes the uniform distribution and appropriate supply of adhesive when the blade is molded, reduces the overflow and waste of adhesive after the shell is bonded, and avoids the processing of excess glue.

[0021] The present invention can make real-time adjustments according to the glue amounts in different web gap areas, and perform glue replenishment and glue collection operations by detecting glue amount signals, thereby improving the quality and consistency of blade gluing.

[0022] The present invention simplifies the equipment structure and has a flexible structure. The glue coating device is connected to the glue machine, so that the device can be miniaturized and lightweight to the maximum extent, without occupying ground space and driving resources, thereby improving space utilization. At the same time, the glue coating device is small in size and light in weight, and can be stored when not in use, thereby providing convenient conditions for the operation of other equipment in the factory workshop. The present invention does not require additional guide rails to be laid around the blade mold, thereby reducing the technical threshold and equipment cost, and is also convenient for maintenance and operation. It has a simple structure, is easy to control, and is inexpensive.

[0023] The gluing device is mounted on the web so that the gluing device can work on the web without being restricted by fixed cranes and racks such as gantry, wall rails, and tracks. The gluing trajectory can be adjusted according to the shape of the web itself to ensure the stability of the gluing route and the consistency of the trajectory.

[0024] The gluing device can be applied to gluing operations of different blade types, different workshops, single web and double web types. At the same time, the equipment is small in size, flexible and convenient to hoist and use, and is not limited by mold type and factory size, which improves equipment utilization.

[0025] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following specifically cites a preferred embodiment and describes it in detail with the accompanying drawings as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a front view schematic diagram of an embodiment of an automatic gluing device for the web of a wind turbine blade according to the present invention in the traveling direction;

[0027] Figure 2 It is a side view of an embodiment of an automatic gluing device for the web of a wind turbine blade according to the present invention in the traveling direction;

[0028] Figure 3 for Figure 2 Front view schematic diagram of the variable glue type device.

[0029] [Reference Signs]

[0030] Frame 1, universal wheel 2, distance sensor 3, power wheel 4, power supply line 5, soft mixing tube 6, infrared sensor 7, web 8, blade PS surface 9, glue coating machine 10, glue quantity sensor 11, chord limiter 12, tractor 13, control motor and reducer 14, first width variable glue profiler 15, first height variable glue profiler 16, glue quantity laser rangefinder 17, glue replenisher 18, first glue coating positioner 19, control box 20, gear rack structure 21, glue coating machine 22, fixed wheel bracket 23, connecting bracket 24, ground trolley 25, movable wheel bracket 26, second glue coating positioner 27, second width variable glue profiler 28, second height variable glue profiler 29. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] An embodiment of an automatic gluing device for a web of a wind turbine blade according to the present invention is as follows: Figures 1 to 3 The device comprises a frame 1, the bottom of the web 8 is arranged behind the PS surface 9 of the blade, the frame 1 is placed above the web 8 surface to be coated with glue, a tractor 13 is arranged at the bottom of the frame 1, the tractor 13 comprises a control motor and a reducer 14, four universal wheels 2, and four power wheels 4, and the four universal wheels 2 are rollingly arranged on the web 8 surface to be coated with glue to reduce the friction between the tractor 13 and the surface to be coated with glue and enhance the traveling stability of the tractor 13.

[0033] The four power wheels 4 are respectively arranged on two wheel brackets on both sides of the tractor 13, and the four power wheels 4 are respectively against both sides of the top of the web 8. Under the control of the control system of the device, the motor and the reducer 14 are controlled to drive the power wheels 4, and the power wheels 4 move on both sides of the web 8, thereby driving the tractor 13 to move on the top of the web 8, and then driving the device to move stably along the surface to be coated with glue on the web.

[0034] A connecting bracket 24 is provided on one side of the vehicle frame 1, and a ground trolley 25 is provided on the other end of the connecting bracket 24. The ground trolley 25 is located on the ground where the PS surface mold of the blade is located. In order to enable the ground trolley 25 to move with the tractor 13, the ground trolley 25 is provided with a driving device linked with the tractor 13. The driving device, control motor and reducer 14 of the ground trolley 25 are simultaneously connected to the control system for communication. The control system synchronously controls the ground trolley 25 and the tractor 13 to ensure synchronous movement with the tractor 13.

[0035] The ground trolley 25 is provided with a battery or directly connected to a power supply device to provide power for the driving device of the ground trolley 25 to travel, and can also provide power for other electrical equipment on the ground trolley 25. The battery or power supply device is electrically connected to the control motor and reducer 14 and other electrical equipment on the frame 1 through the power supply line 5 to provide power for the tractor 13 and power other electrical equipment.

[0036] A glue applicator 22 is installed on the frame 1. The glue applicator 22 is located at the bottom of the frame 1 and at the rear side of the tractor 13. The glue outlet profile of the glue applicator 22 is designed according to the required profile of the web to be coated with glue and faces the top surface of the web, so that the shape of the glue discharged by the glue applicator 22 meets the requirements of the web for the glue type as much as possible.

[0037] The glue coating machine 10 is arranged on the ground trolley 25, and the glue coating machine 10 is connected to the glue coating device 22 through the first soft mixing pipe 6 to supply glue to the glue coating device 22. The glue coating machine 10 includes a glue storage tank, and the glue in the glue storage tank is transported to the glue coating device 22 through the first soft mixing pipe 6 by the first glue pump. The glue coating machine 10 is provided with a glue quantity sensor 11 for detecting the glue output of the first glue pump, recording the glue usage in the running path, and the glue quantity sensor 11 is connected to the control system of the device in communication, and the first glue pump corresponding to the first soft mixing pipe 6 on the glue coating machine 10 is connected to the control system in communication, and the glue quantity sensor 11 transmits the detected glue output to the control system, and the control system compares the glue output with the glue output of the web design. If the glue output is too large, the rotation speed of the first glue pump is reduced; otherwise, the rotation speed of the first glue pump is increased, and the glue output speed is adjusted in real time, so that the glue output of the glue coating device 22 meets the design requirements to avoid glue waste. In this embodiment, the first soft mixing tube 6 is connected to the glue applicator 22 via a quick connector for easy disassembly.

[0038] A temperature control device is provided at the glue outlet of the glue coating machine 10 , and the temperature control device includes a heating device and a cooling device, and is used to adjust the adhesive in the glue coating machine 10 to a required temperature.

[0039] The power supply line 5 and the first soft mixing tube 6 are fixed on the connecting bracket 24, and the length of the power supply line 5 and the first soft mixing tube 6 is greater than the length of the connecting bracket 24 to avoid being torn off during travel. A detachable elastic device is provided between the connecting bracket 24 and the frame 1, so that there is chordal elasticity between the connecting bracket 24 and the frame 1. The fixed wheel bracket 23 where the power wheel 4 on the side of the frame 1 close to the ground trolley 25 is located is fixed to the frame 1. When the ground trolley 25 and the frame 1 are traveling, the elastic device is pre-tightened so that the power wheel 4 on the side of the frame 1 close to the ground trolley 25 is pressed against the side of the web, ensuring that the power wheel 4 on this side rolls on the web 8 and drives the frame 4 to travel. As the tractor 13 travels along the path at the top of the web 8, the width of the web 8 changes, and the elastic device can also ensure that the power wheel 4 is pressed against the web 8.

[0040] The movable wheel brackets 26 on the two power wheels 4 on the side of the frame 1 away from the ground trolley 25 are respectively arranged on the corresponding chord-wise stoppers 12, and the chord-wise stoppers 12 are arranged on the frame 1. A distance sensor 3 is arranged on the front side of the movable wheel bracket 26 near the power wheel 4, and the distance sensor 3 is connected to the chord-wise stopper 12 for communication. In this embodiment, the chord-wise stopper 12 is a linear motor or a hydraulic cylinder or a pneumatic cylinder, and the output shaft is perpendicular to the direction of travel, and the movable wheel bracket 26 is arranged at the end of its output shaft. As the tractor 13 moves, the distance sensor 3 detects the distance from the side of the web in real time and feeds back to the chord-wise stopper 12. The output shaft of the chord-wise stopper 12 moves, driving the movable wheel bracket 26 to move, thereby pressing the power wheel 4 against the side of the web in real time to ensure the stable travel of the tractor 13. The two movable wheel brackets 26 can be arranged on the corresponding chord-wise positioners 12 respectively, or they can be arranged on the same chord-wise positioner 12, so that the two movable wheel brackets 26 move synchronously.

[0041] The power wheels 4 on both sides of the web 8 clamp the web in real time. Driven by the power wheels 4, the tractor 13 moves stably to avoid shaking, thereby making the frame 1 move stably, ensuring that the glue coating of the glue applicator 22 is carried out normally and stably, and can move along the trajectory of the web, and can be suitable for blade webs of different models.

[0042] The frame 1 is also provided with a first width variable glue profiler 15 , a first height variable glue profiler 16 , and a first glue applicator positioner 19 . The first glue applicator positioner 19 , the first width variable glue profiler 15 , and the first height variable glue profiler 16 are sequentially arranged behind the glue applicator 22 .

[0043] The first glue locator 19 is a plate-shaped body with a notch. The first glue locator 19 and the movable wheel bracket 26 are located on the same side of the web and are stuck in the angle formed by the top surface and the side surface of the web. The first glue locator 19 is connected to the output shaft of the chord-wise limiter 12. When the chord-wise limiter 12 drives the movable wheel bracket 26 to move, the first glue locator 19 is moved synchronously, so that the first glue locator 19 keeps in contact with the top surface and the side surface of the web. The chord-wise dimension of the notch of the first glue locator 19 is designed according to the gluing requirements, that is, the chord-wise dimension of the notch is equal to the distance between the adhesive after gluing and the side surface of the first glue locator 19 on the web. After the glue applicator 22 applies glue, the first glue locator 19 pushes and scrapes the glue to make the applied adhesive have a certain distance from the edge of the web, so as to avoid adhesive overflow when bonding the blade SS surface at the top of the web. The first glue coating positioner 19 is connected to its corresponding chord-wise limiter 12 , and can also be connected to the movable wheel bracket 26 on the same chord-wise limiter 12 , so that it moves synchronously with the movable wheel bracket 26 .

[0044] The first variable width glue former 15 and the fixed wheel bracket 23 are located on the same side of the web. The first variable width glue former 15 is a plate-shaped body, which is used to push and scrape the glue on the other side of the applied glue. Since the width of the web will change, the amount of adhesive applied and the width applied on the top surface of the web will also change. Therefore, the first variable width glue former 15 can move in the chord direction to limit the width of the adhesive.

[0045] The first height-variable adhesive mold 16 is located above the top surface of the web. The first height-variable adhesive mold 16 is a plate-shaped body with an arc-shaped notch at the bottom, which pushes and scrapes the applied adhesive into a shape that meets the requirements. According to the different amounts and heights of the adhesive applied at different positions of the web, the height of the first height-variable adhesive mold 16 is adjusted to limit the height of the adhesive.

[0046] The first variable width glue mold 15 and the first variable height glue mold 16 are both connected to the corresponding gear rack structure 21, wherein the rack fixed to the first variable width glue mold 15 extends in the chord direction, and driven by the corresponding gear, the first variable width glue mold 15 moves in the chord direction; the rack fixed to the first variable height glue mold 16 extends in the vertical direction, and driven by the corresponding gear, the first variable height glue mold 16 moves in the vertical direction. The gear is connected to the corresponding motor, the motor is electrically connected to the control box 20, and the control box 20 is connected to the control system for communication. According to the web gluing design, the control system sends a signal to the control box 20 according to the position reached by the gluing device, and the control box 20 controls the corresponding motor to rotate, and moves the first variable width glue mold 15 and the first variable height glue mold 16 to the corresponding position, and standardizes the width and height of the applied adhesive.

[0047] The first variable width glue profiler 15 and the first variable height glue profiler 16 are staggered in the web length direction to avoid mutual interference. The power wheel 4 on the tractor 13 that clamps the web at all times cooperates with the glue applicator 22, the first variable width glue profiler 15, the first variable height glue profiler 16, and the first glue positioning device 19 to control the glue application route and ensure that there is no deviation in the glue application process. The glue profile is adjusted in real time by the first variable width glue profiler 15 and the first variable height glue profiler 16 to make the glue profile at various locations of the web meet the requirements and complete the dynamic switching of the glue application shape.

[0048] The frame 1 is also provided with an infrared sensor 7 and a glue quantity laser rangefinder 17, which are sequentially arranged behind the first height variable glue profiler 16 and facing the top surface of the web. The infrared sensor 7 is used to detect the temperature of the glue applied, and the infrared sensor 7 is connected to the temperature control device of the glue coating machine in communication. When the temperature detected by the infrared sensor 7 is low, a message is sent to the heating device to increase the heating temperature; when the temperature is low, a message is sent to the cooling device to reduce the temperature of the adhesive.

[0049] The glue quantity laser distance meter 17 is used to detect the width and height of the adhesive after being shaped by the first variable width adhesive shaper 15 and the first variable height adhesive shaper 16 . If the width and height of the adhesive do not meet the requirements, adhesive can be supplemented at the rear side of the glue quantity laser distance meter 17 .

[0050] The frame 1 behind the glue quantity laser rangefinder 17 is provided with a glue filler 18, a second glue coating positioner 27, a second width variable glue profiler 28, and a second height variable glue profiler 29 in sequence. The glue filler 18 has the same structure as the glue coating 22, and is connected to the glue coating machine 10 through its corresponding second soft mixing pipe, and the second soft mixing pipe supplies glue through the second glue pump on the corresponding glue coating machine 10. The second glue coating positioner 27, the second width variable glue profiler 28, and the second height variable glue profiler 29 have the same structure and function as the first glue coating positioner 19, the first width variable glue profiler 15, and the first height variable glue profiler 16, and will not be described in detail here.

[0051] Whether glue filling is needed is determined based on the size of the glue applied and whether the glue type is abnormal as measured by the glue amount laser distance meter 17. If glue filling is needed, the glue amount laser distance meter 17 sends a signal to the control system, and the control system sends a signal to the second glue pump, and the second glue pump delivers a corresponding amount of glue as needed, and applies it to the top surface of the web through the glue filling device 18. The glue is shaped by the subsequent second glue application positioner 27, the second width variable glue shaper 28, and the second height variable glue shaper 29 to complete the glue application on the top surface of the web. As the tractor 13 and the ground trolley 25 move, the glue application on the top surface of the web is completed.

[0052] If the size of the adhesive measured by the glue amount laser rangefinder 17 is too large, the excess glue will be scraped away by the second variable width glue mold 28 and the second variable height glue mold 29. When the height is too large, the excess glue can be scraped away by the second variable height glue mold 29. When the width is too large, the excess glue can be scraped away by the second variable width glue mold 28.

[0053] By cooperating with the glue amount laser rangefinder 17, the glue replenisher 18, the second glue coating positioner 27, the second width variable glue profiler 28, and the second height variable glue profiler 29, the problems of increased blade weight and lack of glue due to excessive or insufficient amount of adhesive can be avoided, the quality and consistency of blade gluing can be improved, and the processing of excess glue can be reduced.

[0054] In order to ensure the stable operation of the frame 1, a driven wheel (not shown in the figure) can be arranged at the rear of the frame 1, two driven wheels are arranged on both sides of the frame 1, and an elastic device is arranged between the driven wheel and the rear of the frame, so that the driven wheel is elastically squeezed on the side of the web, ensuring that the driven wheel can run on the driven wheel and limit the frame 1. A counterweight block is arranged at the rear of the frame 1 to keep the front and rear balance of the frame 1 and ensure the stable operation of the frame 1.

[0055] In this embodiment, the glue application amount of the glue applicator 22 is calculated by using the designed mold clearance data to obtain the volume of adhesive required for different positions of the web, and the glue output speed is controlled by the glue amount sensor and the first glue pump, and the glue output amount of the adhesive is adjusted in real time to achieve uniform distribution and appropriate supply of adhesive when the blade is molded, so as to try to ensure that the glue amount meets the design requirements, and to avoid starting the second glue pump to replenish glue.

[0056] In this embodiment, the present invention can be automatically operated by inputting a program into the control system, or can be manually operated wirelessly or wired.

[0057] In this embodiment, the present invention is designed with a structure that is easy to disassemble and install, so as to facilitate the layout, maintenance and recycling of the equipment. At the same time, there is no need to lay guide rails around the mold, which reduces technical difficulty and equipment cost.

[0058] In other embodiments, the elastic device between the frame 1 and the ground trolley 25 may be eliminated, and the fixed wheel bracket 23 may be closely attached to the side of the web in real time by changing the distance between the ground trolley 25 and the web in real time.

[0059] In other embodiments, the glue coating machine may be replaced by other forms of glue supply devices.

[0060] In other embodiments, the movable wheel bracket 26 connected to the chord-wise locator 12 can be pre-tightened and pressed against the side of the web by an elastic device, thereby replacing the chord-wise locator with an elastic device; the chord-wise locators corresponding to the first glue-coated locator 19 and the second glue-coated locator 27 can also be replaced with corresponding elastic devices.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An automatic gluing device for the web of a wind turbine blade, comprising a frame arranged above the web surface to be glued, characterized in that: The frame is provided with a tractor for running on the surface of the web to be glued, and a universal wheel is provided at the bottom of the tractor for rolling on the surface of the web to be glued, and power wheels are provided on both sides of the bottom of the tractor for abutting against the side surfaces of the web; a glue applicator, a first glue positioning device that is simultaneously stuck on the side and top surfaces of the web, a first width variable glue mold device that can move chordally on the top of the web, and a first height variable glue mold device that can move vertically above the web are provided in sequence on the frame at the rear side of the tractor, and the first glue positioning device and the first width variable glue mold device are respectively located on both sides of the web gluing area; one side of the frame is connected to a ground trolley for synchronously running on the ground where the blade mold is located through a connecting bracket, and a glue supply device is provided on the ground trolley, and the connecting bracket is fixed with a first soft mixing pipe for connecting the glue supply device and the glue applicator and a power supply line for supplying power to electrical equipment on the frame.

2. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The tractor comprises a control motor and a reducer for driving the power wheels.

3. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The glue supply device is provided with a glue quantity sensor for detecting the glue quantity output and feeding back to the glue supply device to adjust the glue quantity supplied.

4. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: An infrared sensor for detecting the temperature of the adhesive applied on the top of the web is provided on the frame at the rear side of the first height-variable adhesive molder, and the infrared sensor is communicatively connected with the temperature control device in the adhesive supply device.

5. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: An elastic device is provided between the connecting bracket and the frame for pre-pressing the power wheel on one side of the frame against the side of the corresponding web.

6. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The movable wheel bracket where the power wheel is located on the side of the frame away from the ground trolley is arranged on a corresponding chordal limiter, the chordal limiter is arranged on the frame and can drive the movable wheel bracket to move in the chordal direction, and a distance measuring sensor is arranged at a position of the movable wheel bracket close to the power wheel, and the distance measuring sensor is communicatively connected with the chordal locator.

7. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The first glue coating positioner is connected to the corresponding chord-wise positioner to keep the first glue coating positioner in contact with the side and top surfaces of the web.

8. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The first variable width mold device and the first variable height mold device are both connected to corresponding gear rack structures, wherein the rack fixed to the first variable width mold device extends in the chordal direction, and driven by the corresponding gear, the first variable width mold device moves in the chordal direction; the rack fixed to the first variable height mold device extends in the vertical direction, and driven by the corresponding gear, the first variable height mold device moves in the vertical direction, the gear is connected to the corresponding motor, and the motor is electrically connected to the control box 20.

9. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: The frame on the rear side of the first variable height glue profiler is provided with a glue quantity laser rangefinder for detecting the size of the applied adhesive, a glue replenisher, a second glue coating positioner, a second variable width glue profiler, and a second variable height glue profiler in sequence. The glue quantity laser rangefinder is communicatively connected with the glue supply device, the glue replenisher has the same structure as the glue coating device, and is connected to the glue supply device through its corresponding second soft mixing tube; the second glue coating positioner, the second variable width glue profiler, and the second variable height glue profiler are the same as the first glue coating positioner, the first variable width glue profiler, and the first variable height glue profiler.

10. The automatic gluing device for the web of a wind turbine blade according to claim 1, characterized in that: Driven wheels and counterweights are arranged on both sides of the rear of the frame and abut against corresponding sides of the web.

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