Gluing device for wind power blade production

Abstract

The invention discloses a gluing device for wind power blade production, and relates to the technical field of wind power generators. Comprising a blade body, a glue storage bin arranged on one side of the blade body, a lower pressing disc arranged in an opening in the top of the glue storage bin, a lower pressing connecting rod fixedly connected with the top of the lower pressing disc, a lead screw arranged on the outer side of the glue storage bin and a driving motor installed at one end of the lead screw and used for driving the lead screw to rotate. The holding main rod part is fixedly arranged on the outer wall of the glue storage bin. The auxiliary scraping plate capable of moving up and down along the interior of the scraping plate opening groove is arranged in the scraping plate opening, and the auxiliary scraping plate provides the downward pressing action through the compression spring part; and downward pressing force can be provided for the auxiliary scraping plate again through downward pressing of a spring of the pressing spring part, so that the pressing effect on the gap is enhanced, and the pressing and covering effect of glue on the gap is further improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of punching, and particularly relates to a glue coating device for the production of wind turbine blades. Background Art

[0002] A wind turbine is a power device that converts wind energy into mechanical work. The mechanical work drives the rotor to rotate, and finally outputs alternating current. A wind turbine generally consists of components such as a wind wheel, a generator (including devices), a yaw device (tail fin), a tower, a speed limit safety mechanism, and an energy storage device. The principle of wind power generation is to use the wind to drive the windmill blades to rotate, and then increase the rotation speed through a speed increaser to prompt the generator to generate electricity. According to the current wind turbine technology, a breeze speed of about three meters per second (the degree of a gentle breeze) can start generating electricity.

[0003] Among them, the blade housing of the wind turbine is made of glass fiber, and resin is vacuum-injected inside to make the inside of the blade hollow. The upper and lower parts of the housing are respectively filled with resin, and then the air is pumped out. After the resin is cured, the two parts need to be bonded together with special glue. When applying the glue, workers need to use a scraper to smear the glue at the gap. Due to the large area, generally multiple people are required to improve the glue application efficiency, which will occupy a large amount of manpower. Summary of the Invention

[0004] In view of the above-mentioned drawbacks of the prior art, the present invention provides a glue coating device for the production of wind turbine blades, which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the present invention is realized through the following technical solutions:

[0006] The present invention provides a glue coating device for the production of wind turbine blades, including: a blade main body, a glue storage bin arranged on one side of the blade main body, a pressing disc arranged in the top opening of the glue storage bin, a pressing connecting rod fixedly connected to the top of the pressing disc, a lead screw arranged outside the glue storage bin, and a driving motor installed at one end of the lead screw for driving the lead screw to rotate;

[0007] It is characterized by further including:

[0008] A main holding rod is fixedly arranged on the outer wall of the glue storage bin. A pressing connecting cylinder is fixedly arranged at the bottom end of the main holding rod. Symmetrically distributed grooves are formed on the surface of the pressing connecting cylinder. An inserting rod penetrates through one group of the grooves, and a displacement pressing block is slidably connected to the outer wall of the inserting rod;

[0009] The bottom pressing block is arranged below the displacement pressing block and is slidably connected to the outside of the insertion rod. A pressing block connecting spring is installed between the displacement pressing block and the bottom pressing block. One side of the pressing block connecting spring is connected to the main scraper part through a pressing block side plate. A scraper opening is formed at the bottom of the main scraper part. A secondary scraper is inserted into the groove of the scraper opening. A convex plate is arranged on the surface of the secondary scraper. A pressing spring part is connected to the top of the convex plate. The top of the pressing spring part is connected to the scraper side block through a connecting column part. Another set of grooves is provided with an adjusting screw rod. The external thread of the adjusting screw rod is engaged with a screw sleeve. The screw sleeve and the displacement pressing block are connected through a support rod arranged in the lower pressing connecting cylinder.

[0010] Further, a scraper insertion groove for sliding along the surface of the main scraper part is formed at the top of the secondary scraper. A bent part is arranged at the bottom of the secondary scraper. A scraper overflow hole is formed at the center of the bent part.

[0011] Further, the scraper overflow hole runs through the bent part from front to back, and the size of the front opening of the scraper overflow hole is larger than that of the rear opening.

[0012] Further, one end of the scraper side block is fixed to the surface of the main scraper part. A side plate transverse hole is formed on the surface of the scraper side block. A cylinder is fixedly arranged on the side surface of the connecting column part and extends into the side plate transverse hole.

[0013] Further, a limiting top concave part is formed at the top of the cylinder. A round hole is formed at the top of the scraper side block. A limiting vertical rod is inserted into the round hole. A stop block is fixedly arranged at the bottom of the limiting vertical rod and extends into the cavity of the side plate transverse hole.

[0014] Further, one side at the bottom end of the glue storage bin is connected with a discharge connecting bin, and the discharge connecting bin is communicated with the glue storage bin. A discharge front bin is sleeved at one end of the discharge connecting bin far away from the glue storage bin.

[0015] Further, the discharge front bin adopts a trapezoidal hollow structure, and the inside of the discharge front bin is communicated with the discharge connecting bin. A displacement adjusting bin is fixedly arranged on the outer wall of the discharge connecting bin. A positioning sliding plate is fixedly arranged on the surface of the discharge front bin and slides along the groove of the displacement adjusting bin.

[0016] Further, support rods are symmetrically and fixedly arranged on the side wall of the discharge connecting bin. A traveling roller is connected to the front end of the support rod through a wheel frame rod. The traveling roller is attached to the surface of the blade body.

[0017] Further, a rod insertion hole allowing the wheel frame rod to be inserted is formed on the surface of the support rod. An adjusting slot communicated with the rod insertion hole is formed inside the support rod. An adjusting convex plate part is fixedly arranged on the outer wall of the wheel frame rod and moves along the groove of the adjusting slot.

[0018] The present invention has the following beneficial effects:

[0019] In the present invention, glue is placed in a glue storage bin, and the entire device moves horizontally along the upper and lower positions of the gap by relying on two sets of walking rollers. Driven by a driving motor, a pressing disc squeezes the glue stored in the glue storage bin, so that the glue can evenly cover the gap between the upper and lower parts of the blade body through a pre-discharge bin. At the same time, by holding the main rod part, it is convenient for manual holding and horizontally pushing the entire device. In order to improve the filling fullness of the glue at the gap, a main scraping part placed obliquely is arranged behind the forward position of the pre-discharge bin. The main scraping part performs a scraping and squeezing action on the glue covering the gap, making the combination of the loose glue and the gap more compact. At the same time, a scraping hole is opened in the central part of the main scraping part, and a secondary scraper that can move up and down along the scraping hole groove is arranged in the scraping hole. The secondary scraper uses a pressing spring part to provide a downward pressing action. When scraping the glue along the surface of the blade body at the bottom of the main scraping part and the secondary scraper, the pressing spring part can further provide a downward pressure on the secondary scraper by the spring downward pressure, so as to strengthen the pressing effect on the gap and further improve the pressing effect of the glue on the gap. At the same time, a scraping overflow hole is opened at the central part of the bottom of the secondary scraper, and the front opening of the scraping overflow hole is large and the rear opening is small. The overflow glue passing through the scraping overflow hole can be re-squeezed by the special internal shape of the scraping overflow hole, so that the overflow glue is also tightly pressed at the gap as much as possible. Compared with manual glue application, it is more labor-saving and efficient, and at the same time, the bonding strength of the glue to the gap is better, improving the glue application quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 Schematic diagram of the present invention;

[0022] Figure 2 Enlarged view of the glue storage bin of the present invention;

[0023] Figure 3 Top view cross-sectional view of the connection between the pre-discharge connection bin and the pre-discharge bin of the present invention;

[0024] Figure 4 Exploded view of the support rod and the wheel frame rod of the present invention;

[0025] Figure 5 Front view of the main scraping part of the present invention;

[0026] Figure 6 Structural schematic diagram of the connection between the connecting column part and the scraping side block of the present invention;

[0027] Figure 7 This is a schematic structural diagram of the scraper insertion slot of the present invention;

[0028] Figure 8 This is an exploded view of the connecting column part and the scraper side block of the present invention;

[0029] Figure 9 This is a schematic structural diagram of the pressure block connecting spring of the present invention;

[0030] Figure 10 This is an internal sectional view of the lower pressing connecting cylinder of the present invention;

[0031] Figure 11 This is a side view of the main scraper part of the present invention.

[0032] In the drawings, the list of components represented by each reference numeral is as follows:

[0033] 1. Blade body; 2. Glue storage bin; 3. Main holding rod part; 4. Lower pressing disk; 5. Lower pressing connecting rod; 6. Lead screw; 7. Driving motor; 8. Discharge connecting bin; 9. Front discharge bin; 10. Displacement adjustment bin; 11. Support rod; 12. Wheel frame rod; 13. Walking roller; 14. Rod insertion hole; 15. Adjusting slot; 16. Adjusting convex plate part; 17. Lower pressing connecting cylinder; 18. Adjusting screw; 19. Screw sleeve; 20. Insertion rod; 21. Displacement pressure block; 22. Bottom pressure block; 23. Pressure block connecting spring; 24. Pressure block side plate; 25. Main scraper part; 26. Scraper side block; 27. Connecting column part; 28. Compression spring part; 29. Auxiliary scraper; 30. Scraper opening; 31. Scraper insertion slot; 32. Side plate horizontal hole; 33. Limiting top concave part; 34. Limiting vertical rod; 35. Scraper overflow hole. Detailed implementation manners

[0034] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In the description of the present invention, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0035] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Please refer to Figures 1-11As shown in the figure, the present invention is a glue coating device for the production of wind turbine blades, including: a blade body 1, a glue storage bin 2 arranged on one side of the blade body 1, a pressing disk 4 arranged inside the top opening of the glue storage bin 2, a pressing connecting rod 5 fixedly connected to the top of the pressing disk 4, a lead screw 6 arranged outside the glue storage bin 2, and a driving motor 7 installed at one end of the lead screw 6 for driving the lead screw 6 to rotate; the driving motor 7 drives the lead screw 6 to rotate, the moving block sleeved outside the lead screw 6 in a meshing manner is connected to the pressing connecting rod 5, and the pressing disk 4 connected to the pressing connecting rod 5 will move inside the cavity of the glue storage bin 2, so that the pressing disk 4 presses the glue inside the cavity of the glue storage bin 2. At the same time, a discharge connecting bin 8 is connected and communicated on one side of the bottom of the glue storage bin 2, and a discharge pre-bin 9 is connected and communicated at the opening of the discharge connecting bin 8, and the discharge pre-bin 9 is communicated with the discharge connecting bin 8 and the glue storage bin 2. Therefore, the glue will enter the discharge pre-bin 9 along the discharge connecting bin 8. In order to improve the uniform thickness of the glue coating at the gap of the blade body 1 in the discharge pre-bin 9, the opening shape of the discharge pre-bin 9 is arc-shaped, which is as consistent as possible with the inner arc of the blade body 1. Symmetrically distributed displacement adjustment bins 10 are fixedly arranged on the outer wall of the discharge connecting bin 8. Two groups of positioning sliding plates that slide inside the displacement adjustment bin 10 are fixedly arranged at the rear end of the discharge pre-bin 9. By moving the positioning sliding plates inside the displacement adjustment bin 10, the telescopic length of the combination of the discharge pre-bin 9 and the discharge connecting bin 8 can be adjusted. After adjusting the position of the positioning sliding plates, the positioning sliding plates can be fixed by bolts. A main holding rod part 3 perpendicular to the glue storage bin 2 is fixedly arranged on the outer wall of the glue storage bin 2. The main holding rod part 3 is internally provided with a power supply, and the start and stop operations of the driving motor 7 can be completed through a switch below the holding part of the main holding rod part 3. When the whole device is in use, it is necessary to keep the glue storage bin 2 as vertical as possible, and the main holding rod part 3 moves horizontally along the gap of the blade body 1. In order to improve the stability of the horizontal movement of the main holding rod part 3 and the glue storage bin 2 and maintain the stability of fitting with the blade body 1, two groups of symmetrically distributed support rods 11 are fixedly arranged on the side wall of the discharge connecting bin 8. The front ends of the two groups of support rods 11 are connected to a walking roller 13 through a wheel support rod 12. The walking roller 13 rolls along the inner wall of the blade body 1, and the displacement of the whole device can be realized. A rod inserting hole 14 is opened on the surface of the support rod 11. The bottom end of the wheel support rod 12 can be inserted into the rod inserting hole 14, and an adjusting slot 15 communicated with the rod inserting hole 14 is opened inside the support rod 11, and the slot position of the adjusting slot 15 is located at the center of the rod inserting hole 14. An adjusting convex plate part 16 extending into the adjusting slot 15 is fixedly arranged on the outer wall of the wheel support rod 12. By moving the adjusting convex plate part 16 along the slot of the adjusting slot 15, the use angle of the wheel support rod 12 can be adjusted, and the walking roller 13 can be adaptively adjusted in angle during actual operation.

[0038] At the bottom of the main rod part 3, a downwardly inclined pressing connection cylinder 17 is fixedly arranged. Two groups of grooves symmetrically distributed front and back are formed on the surface of the downward pressing connection cylinder 17. One group of grooves is inserted with an insertion rod 20, and an adjusting screw rod 18 is installed in the other group of grooves. One end of the adjusting screw rod 18 passes through the groove and extends outwards to rotate the handle. A screw sleeve 19 engaged and sleeved outside the adjusting screw rod 18 is arranged in the groove. A displacement pressing block 21 is slidably sleeved outside the insertion rod 20. The screw sleeve 19 and the displacement pressing block 21 are connected by a support rod. A space allowing the support rod to move up and down is formed inside the downward pressing connection cylinder 17. A bottom pressing block 22 is also slidably sleeved outside the insertion rod 20. A pressing block connection spring 23 is connected between the bottom pressing block 22 and the displacement pressing block 21. A pressing block side plate 24 is installed on the side of the bottom pressing block 22. The other end of the pressing block side plate 24 is fixedly connected to the main scraping part 25. After installation, the main scraping part 25 forms an angle less than 90° with the blade body 1. Therefore, by moving the main scraping part 25 along the surface of the blade body 1, a scraping action on the glue is achieved. In actual operation, two front walking rollers 13 are attached to the inner wall of the blade body 1 and move horizontally. Through manual control operation, the rear main scraping part 25 is attached to move inside the blade body 1. Thus, the whole device is completed at the gap of the blade body 1, and the main scraping part 25 plays a scraping role on the glue. By adjusting the adjusting screw rod 18, the descending position of the displacement pressing block 21 can be adjusted, and the elastic strength given by the pressing block connection spring 23 to the pressing block side plate 24 can be increased, so as to adjust the scraping strength of the main scraping part 25 on the glue.

[0039] A squeegee opening 30 is provided on the surface of the main squeegee portion 25. At the same time, a secondary squeegee 29 is installed in the squeegee opening 30. A squeegee insertion groove 31 is provided at the top of the secondary squeegee 29, enabling the squeegee insertion groove 31 to slide longitudinally along the surface of the main squeegee portion 25 above the squeegee opening 30. By limiting the secondary squeegee 29 through the squeegee opening 30, the secondary squeegee 29 can move longitudinally on the surface of the main squeegee portion 25. When the main squeegee portion 25 scrapes the glue inside the blade body 1, the bottom of the secondary squeegee 29 also scrapes the glue. A bent portion is provided at the bottom of the secondary squeegee 29, and the front bottom of the bent portion is designed in an arc shape, making it easier for the glue to enter below the secondary squeegee 29 along the arc design. The back of the secondary squeegee 29 is connected to a compression spring portion 28 through a convex block, and the top of the compression spring portion 28 is connected to a squeegee side block 26 and a connecting column portion 27. The compression spring portion 28 provides a downward pressing force for the secondary squeegee 29. When the main squeegee portion 25 scrapes the glue in a space with a relatively large gap, the downward pressure of the secondary squeegee 29 can be used to press the glue at the gap, making the loose glue fit more tightly with the gap under the downward pressure of the secondary squeegee 29. One end of the squeegee side block 26 is fixed to the surface of the main squeegee portion 25. A side plate horizontal hole 32 is provided on the surface of the squeegee side block 26. A cylinder extending into the hole of the side plate horizontal hole 32 is fixedly provided on the side of the connecting column portion 27. A limiting top concave portion 33 is provided at the top of the cylinder. A round hole is provided at the top of the squeegee side block 26, and a limiting vertical rod 34 is inserted into the round hole. A stop block extending into the cavity of the side plate horizontal hole 32 is fixedly provided at the bottom of the limiting vertical rod 34. The end face of the stop block close to the opening of the pressure block connecting spring 23 is in an inclined plane, enabling the limiting top concave portion 33 to directly extend into the side plate horizontal hole 32 to lift the limiting vertical rod 34 upward, and then the spring behind the limiting vertical rod 34 gives a downward pressure to the limiting vertical rod 34, making the stop block at the bottom of the limiting vertical rod 34 snap into the limiting top concave portion 33, thereby limiting the connection between the connecting column portion 27 and the squeegee side block 26, and thus completing the quick installation of the connecting column portion 27 and the secondary squeegee 29. A squeegee overflow hole 35 is also provided at the center of the bottom of the bent portion of the secondary squeegee 29. The squeegee overflow hole 35 runs through the bent portion from front to back, and the size of the front opening of the squeegee overflow hole 35 is larger than that of the back opening. When the secondary squeegee 29 scrapes and overflows the glue, the overflowed glue will enter the squeegee overflow hole 35. Since the channel inside the squeegee overflow hole 35 gradually narrows and under the action of the compression spring portion 28, the glue overflowed and compressed in the squeegee overflow hole 35 will be further pressed at the gap, further improving the glue application quality.

[0040] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0041] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A gluing device for wind turbine blade production, comprising: A blade body (1), a glue storage bin (2) disposed on one side of the blade body (1), a lower pressure plate (4) disposed in the top opening of the glue storage bin (2), a lower pressure connecting rod (5) fixedly connected to the top of the lower pressure plate (4), a screw rod (6) disposed outside the glue storage bin (2), and a driving motor (7) mounted on one end of the screw rod (6) for driving the screw rod (6) to rotate; It is characterized by further comprising: The gripping main rod (3) is fixedly mounted on the outer wall of the glue storage bin (2), and a downward pressing connecting tube (17) is fixedly mounted at the bottom end of the gripping main rod (3). The surface of the downward pressing connecting tube (17) is provided with symmetrically distributed grooves, one group of which is penetrated by a penetration rod (20), and the outer wall of the penetration rod (20) is slidably connected to a displacement pressing block (21); The bottom pressure block (22) is arranged below the displacement pressure block (21) and is slidably connected to the outside of the insertion rod (20). A pressure block connecting spring (23) is installed between the displacement pressure block (21) and the bottom pressure block (22). One side of the pressure block connecting spring (23) is connected to the main scraper part (25) through the pressure block side plate (24). The bottom of the main scraper part (25) is provided with a scraper opening (30). The auxiliary scraper (25) is inserted into the groove of the scraper opening (30). 9), a convex plate is arranged on the surface of the auxiliary scraper (29), a compression spring portion (28) is connected to the top of the convex plate, the top of the compression spring portion (28) is connected to the scraper side block (26) through a connecting column portion (27), an adjusting screw (18) is installed in another group of grooves, a screw sleeve (19) is meshed on the outside of the adjusting screw (18), and the screw sleeve (19) and the displacement pressure block (21) are connected by a support rod inserted into the downward pressure connecting tube (17).

2. A gluing device for wind turbine blade production according to claim 1, characterized in that: The top of the auxiliary scraper (29) is provided with a scraper inserting groove (31) which slides along the surface of the main scraper part (25), and the bottom of the auxiliary scraper (29) is provided with a bending part, and the center of the bending part is provided with a scraper overflow hole (35).

3. A gluing device for wind turbine blade production according to claim 2, characterized in that: The scraper overflow hole (35) penetrates the bent portion front and back, and the size of the front end opening of the scraper overflow hole (35) is larger than the size of the rear end opening.

4. The gluing device for wind turbine blade production according to claim 1, characterized in that: One end of the scraper side block (26) is fixed to the surface of the main scraper portion (25), a side plate transverse hole (32) is provided on the surface of the scraper side block (26), and a cylinder extending into the side plate transverse hole (32) is fixed on the side of the connecting column portion (27).

5. The gluing device for wind turbine blade production according to claim 4, characterized in that: A limit top concave portion (33) is provided at the top of the cylinder, a round hole is provided at the top of the scraper side block (26), a limit vertical rod (34) is inserted into the round hole, and a stopper extending into the cavity of the side plate transverse hole (32) is fixed at the bottom of the limit vertical rod (34).

6. The gluing device for wind turbine blade production according to claim 1, characterized in that: A discharge connection bin (8) is connected to one side of the bottom end of the glue storage bin (2), and the discharge connection bin (8) is in communication with the glue storage bin (2). A discharge front bin (9) is sleeved on one end of the discharge connection bin (8) away from the glue storage bin (2).

7. A gluing device for wind turbine blade production according to claim 6, characterized in that: The front discharge bin (9) adopts a trapezoidal hollow structure, and the front discharge bin (9) is connected to the inside of the discharge connection bin (8). A displacement adjustment bin (10) is fixedly provided on the outer wall of the discharge connection bin (8), and a positioning slide plate is fixedly provided on the surface of the front discharge bin (9) to slide along the groove of the displacement adjustment bin (10).

8. The gluing device for wind turbine blade production according to claim 1, characterized in that: A support frame rod (11) is symmetrically fixed to the side wall of the discharge connection bin (8), and a front end of the support frame rod (11) is connected to a walking roller (13) through a wheel frame rod (12), and the walking roller (13) is in contact with the surface of the blade body (1).

9. The gluing device for wind turbine blade production according to claim 8, characterized in that: The surface of the support frame rod (11) is provided with a frame rod insertion hole (14) for allowing the wheel frame rod (12) to be inserted, the interior of the support frame rod (11) is provided with an adjustment slot (15) connected to the frame rod insertion hole (14), and the outer wall of the wheel frame rod (12) is fixed with an adjustment convex plate portion (16) that moves along the adjustment slot (15).

Images