Downward pressing type L-shaped wind power flange ring rolling device and using method thereof

Abstract

The invention discloses a downward pressing type L-shaped wind power flange ring rolling device and a using method thereof.The device comprises a bearing frame and a ring rolling mechanism, and the ring rolling mechanism is arranged on the bearing frame; the ring rolling mechanism comprises a driving piece installed on the bearing frame, a lower ring rolling piece, a ring expanding piece and an upper ring rolling piece, wherein the lower ring rolling piece and the ring expanding piece are installed on the driving piece in a sliding mode, and the upper ring rolling piece is coaxially arranged above the lower ring rolling piece. The ring rolling device is provided with the ring rolling mechanism, the lower ring rolling piece and the ring expanding piece are driven by the first motor to move in different directions, an upper pressing roller and a lower pressing roller are gradually and tightly combined in cooperation with a tight combining piece to roll the ring blank while the ring blank is subjected to expanding machining, and the ring blank is machined into the needed size. The machining time is shortened, the machining efficiency is improved, and the device is compact in structure and not prone to faults.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power flanges, in particular to a downward-pressing L-shaped wind power flange ring rolling device and a using method thereof. Background Technique

[0002] Wind power generation refers to converting the kinetic energy of wind into electrical energy. Wind energy is a clean and pollution-free renewable energy source, and thus is increasingly valued by countries around the world. A wind power flange is a flange of a wind turbine generator. The ring rolling of a wind power flange is a plastic processing technology that uses a ring rolling machine to cause continuous local plastic deformation of the ring, thereby achieving wall thickness reduction, diameter expansion, and cross-sectional profile forming.

[0003] Patent Publication No. CN119839198A discloses a downward-pressing T-shaped wind power flange ring rolling device and a using method thereof. The device includes a processing table, which includes a table board and a bracket arranged on the bottom side of the table board; a ring expanding mechanism arranged in the middle of the top side of the table board, a ring rolling mechanism, two groups of which are symmetrically arranged, the ring rolling mechanism is arranged on the table board and on both sides of the ring expanding mechanism, and rollers are arranged around the table board.

[0004] The above-mentioned ring rolling device in the prior art first expands the ring through the ring expanding mechanism and then rolls it into a ring blank through the ring rolling mechanism, rather than expanding and rolling synchronously, resulting in low efficiency in mass production. Therefore, the present invention proposes a downward-pressing L-shaped wind power flange ring rolling device and a using method thereof to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a downward-pressing L-shaped wind power flange ring rolling device and a using method thereof to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A downward-pressing L-shaped wind power flange ring rolling device includes a carrier and a ring rolling mechanism. The ring rolling mechanism is arranged on the carrier. The ring rolling mechanism includes a driving member arranged on the carrier, a lower ring rolling member and a ring expanding member slidably arranged on the driving member, and an upper ring rolling member coaxially arranged above the lower ring rolling member. Supports are arranged on both sides of the carrier where the ring rolling mechanism is located. A first slide rail is arranged between the two supports. The upper ring rolling member is slidably arranged on the first slide rail.

[0007] As a preferred solution of the present invention, wherein: the driving member includes a second slide rail arranged on the carrier, a bidirectional screw arranged above the second slide rail, and a first motor; Both sides of the top of the second slide rail are provided with first support blocks. The bidirectional screw is inserted through the first support blocks. The first motor is arranged on the carrier, and the output shaft of the first motor is connected to one end of the bidirectional screw.

[0008] As a preferred embodiment of the present invention, wherein: the lower ring rolling member includes a first sliding seat, a lower hollow frustum mounted on the top of the first sliding seat, a lower pressing roller rotatably provided on one side of the lower hollow frustum, and a first ring expanding roller rotatably provided on the top of the lower hollow frustum; A first connecting shaft is provided in the middle of one end of the lower pressing roller, the first connecting shaft is inserted through one side of the lower hollow frustum, a first bevel gear is connected to the end of the first connecting shaft away from the lower pressing roller, a second connecting shaft is provided in the middle of the bottom side of the first ring expanding roller, the second connecting shaft is inserted through the middle of the top side of the lower hollow frustum, a first flat bevel gear is connected to the end of the second connecting shaft away from the first ring expanding roller, the first bevel gear meshes with the first flat bevel gear and is arranged inside the lower hollow frustum, and a spline groove is provided in the middle of the top side of the first ring expanding roller; Tightening members are further provided on both sides of the lower ring rolling member with respect to the first sliding seat. The tightening members include mounting seats provided on both sides of the first sliding seat, a round shaft rotatably provided on one side of the mounting seat, a tightening screw rotatably provided on the other side of the mounting seat, a driving spur gear and a transmission spur gear connected to the bottom end of the round shaft, a driven spur gear connected to the bottom end of the tightening screw, the diameter of the driving spur gear is larger than that of the transmission spur gear, the driving spur gear and the transmission spur gear rotate coaxially, and the driven spur gear meshes with the transmission spur gear; Strip-shaped teeth are provided on both sides of the second slide rail, and the driving spur gear meshes with the strip-shaped teeth of the second slide rail.

[0009] As a preferred embodiment of the present invention, wherein: the ring expanding member includes a second sliding seat, a solid frustum mounted on the top of the second sliding seat, and a second ring expanding roller provided on the top of the solid frustum. A support shaft is provided in the middle of the top side of the solid frustum, and the second ring expanding roller is sleeved outside the support shaft.

[0010] As a preferred embodiment of the present invention, wherein: both the first sliding seat and the second sliding seat are slidably mounted on the second slide rail. The bidirectional screw penetrates through the first sliding seat and the second sliding seat, and the bidirectional screw is threadedly connected to the first sliding seat and the second sliding seat respectively through two sections of reverse threads.

[0011] As a preferred embodiment of the present invention, wherein: the upper ring rolling member includes an upper hollow frustum, an upper pressing roller provided on one side of the upper hollow frustum, a second motor mounted on the other side of the upper hollow frustum, and an electric telescopic rod connected to the top of the upper hollow frustum. Ear plates are provided on both sides of the upper hollow frustum, and threaded holes are provided on the ear plates; One end of the upper pressing roller is provided with a third connecting shaft. The third connecting shaft is inserted through one side of the upper hollow frustum. One end of the third connecting shaft away from the upper pressing roller is connected with a second bevel gear. The output shaft of the second motor penetrates through the upper hollow frustum and is connected with a vertical bevel gear. The middle part of the bottom side of the upper hollow frustum is inserted with an inserting shaft. The top end of the inserting shaft is connected with a second flat bevel gear. The bottom side surface of the inserting shaft is provided with spline teeth; Both the second bevel gear and the vertical bevel gear are meshed with the second flat bevel gear and are arranged inside the upper hollow frustum; While the lower ring rolling part and the ring expanding part are driven by the first motor to expand the ring blank outwards, the driving spur gear of the fastening part drives the fastening screw to rotate along the strip teeth of the second slide rail and is connected with the ear plate of the upper ring rolling part, gradually fastening the upper pressing roller and the lower pressing roller to roll the ring blank.

[0012] As a preferred scheme of the present invention, wherein: the number of the first slide rails is two. Both sides of the electric telescopic rod are connected with sliding sleeves. The electric telescopic rod is arranged between the two first slide rails. The two sliding sleeves of the electric telescopic rod are respectively sleeved on the two first slide rails; The upper pressing roller and the lower pressing roller are on the same side. The inserting shaft and the spline teeth are matched with the spline grooves of the first ring expanding roller.

[0013] As a preferred scheme of the present invention, wherein: retaining ring parts are arranged on the other two sides of the ring rolling mechanism on the bearing frame. The retaining ring part includes a third slide rail, a third sliding seat slidably mounted on the third slide rail, and a retaining ring shaft rotatably arranged in the middle of the top side of the third sliding seat; A guiding shaft is inserted through the third sliding seat. Second supporting blocks are arranged on both sides of the third slide rail. The two ends of the guiding shaft are respectively fixed on the two second supporting blocks. A spring is arranged between a second supporting block far away from the ring rolling mechanism on the third slide rail and the third sliding seat. The spring is sleeved outside the guiding shaft; A baffle and an adjusting screw are arranged between the spring and the third slide rail. The adjusting screw is threadedly connected with a second supporting block. One end of the adjusting screw is connected with the baffle.

[0014] As a preferred scheme of the present invention, wherein: four groups of roller frames are also annularly arranged on the bearing frame. The four groups of roller frames are distributed around the ring rolling mechanism and the retaining ring parts.

[0015] A using method of a down-pressing L-shaped wind power flange ring rolling device comprises the following steps: S1. Start the electric telescopic rod to contract and drive the upper ring rolling part to move upwards. Sleeve the ring blank outside the first ring expanding roller and the second ring expanding roller and place it on the roller frames. The two retaining ring shafts are abutted against the outer side of the ring blank, and rotate the adjusting screw to adjust the position of the baffle to limit the outer diameter of the ring blank after ring expansion; S2. Restart the electric telescopic rod to extend it and push the upper rolling ring part downward. The top of the fastening screw of the lower rolling ring part abuts against the threaded hole of the ear plate in the upper rolling ring part. The insertion shaft and spline teeth of the upper rolling ring part are inserted into the spline groove of the first ring expanding roller to connect the insertion shaft with the first ring expanding roller, and then turn off the power supply of the electric telescopic rod. S3. Start the second motor to drive the vertical bevel gear to rotate, drive the second flat bevel gear and the insertion shaft to rotate through the vertical bevel gear, and then drive the second bevel gear, the third connecting shaft and the upper pressure roller to rotate through the second flat bevel gear. S4. When the insertion shaft rotates, drive the first ring expanding roller, the second connecting shaft and the first flat bevel gear to rotate through the insertion shaft, and drive the first bevel gear, the first connecting shaft and the lower pressure roller to rotate through the first flat bevel gear. S5. When the first ring expanding roller, the upper pressure roller and the lower pressure roller rotate, start the first motor to drive the bidirectional screw to rotate. The first sliding seat and the second sliding seat on the bidirectional screw move in opposite directions, so that the first sliding seat and the second sliding seat move away from each other. Drive the first ring expanding roller and the second ring expanding roller to move through the first sliding seat and the second sliding seat. The first ring expanding roller drives the lower rolling ring part to move through the insertion shaft. The electric telescopic rod slides along the first slide rail through the sliding sleeve to expand the ring blank, and drives the ring blank to rotate through the first ring expanding roller. S6. While the ring blank is expanding, the driving spur gear of the fastening part rotates along the strip teeth of the second slide rail, drives the driven spur gear, the driven spur gear and the fastening screw to rotate through the driving spur gear, and the fastening screw gradually and slowly rotates into the threaded hole of the ear plate to move the upper rolling ring part downward, and the upper pressure roller and the lower pressure roller are gradually tightened to roll the ring blank. S7. While the ring blank is expanding, push the retaining ring shaft axially outward through the ring blank. The retaining ring shaft drives the third sliding seat to move along the third slide rail and compress the spring until the third sliding seat moves to the baffle and stops, and the expansion of the ring blank ends. S8. After the ring blank is processed, start the electric telescopic rod to contract it and drive the upper rolling ring part to move upward, separate the insertion shaft and spline teeth of the upper rolling ring part from the spline groove of the first ring expanding roller, then take out the processed ring blank, the spring of the retaining ring part stretches, and push the third sliding seat and the retaining ring shaft back to their original positions to wait for the next ring blank processing.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The present invention is provided with a ring rolling mechanism. Driven by the first motor, the lower rolling ring part and the ring expanding part move in opposite directions. While expanding and processing the ring blank, cooperate with the fastening part to gradually tighten the upper pressure roller and the lower pressure roller to roll the ring blank, and process the ring blank into the required size. This ring rolling device can expand and roll the ring blank at the same time, reduce the processing time, improve the processing efficiency, and the device structure is compact and not prone to failure. Description of the Drawings

[0017] Figure 1 This is a schematic structural view when loading the ring blank for the present invention; Figure 2 This is a schematic structural view when the ring blank is processed and completed for the present invention; Figure 3 This is a schematic structural view of the upper ring rolling member, lower ring rolling member and ring expanding member of the present invention; Figure 4 This is a schematic structural view of the fastening member of the present invention; Figure 5 This is for the present invention Figure 4 The enlarged structural view at position A in; Figure 6 This is a schematic internal structural view of the lower ring rolling member of the present invention; Figure 7 This is a schematic internal structural view of the upper ring rolling member of the present invention; Figure 8 This is a schematic structural view of the retaining ring member of the present invention.

[0018] In the figure: 1, carrier frame; 2, ring rolling mechanism; 21, driving member; 211, second slide rail; 2111, strip teeth; 212, bidirectional screw; 213, first motor; 214, first support block; 22, lower ring rolling member; 221, first sliding seat; 222, lower hollow frustum; 223, lower pressing roller; 2231, first connecting shaft; 2232, first bevel gear; 224, first ring expanding roller; 2241, second connecting shaft; 2242, first flat bevel gear; 2243, spline groove; 225, fastening member; 2251, mounting seat; 2252, round shaft; 2253, fastening screw; 2254, driving spur gear; 2255, transmission spur gear; 2256, driven spur gear; 23, ring expanding member; 231, second sliding seat; 232, solid frustum; 233, second ring expanding roller; 234, support shaft; 24, upper ring rolling member; 241, upper hollow frustum; 2411, ear plate; 242, upper pressing roller; 2421, third connecting shaft; 2422, second bevel gear; 243, second motor; 2431, vertical bevel gear; 244, electric telescopic rod; 245, inserting shaft; 2451, second flat bevel gear; 2452, spline teeth; 25, bracket; 26, first slide rail; 27, sliding sleeve; 28, retaining ring member; 281, third slide rail; 282, third sliding seat; 283, retaining ring shaft; 284, guiding shaft; 285, second support block; 286, spring; 287, baffle; 288, adjusting screw; 29, roller frame. Detailed implementation manners

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 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.

[0020] Please refer to Figures 1-8 , a downward pressing L-shaped wind power flange ring rolling device, which includes a carrier 1 and a ring rolling mechanism 2. The ring rolling mechanism 2 is arranged on the carrier 1. The ring rolling mechanism 2 includes a driving member 21 installed on the carrier 1, a lower ring rolling member 22, an expanding ring member 23 slidably installed on the driving member 21, and an upper ring rolling member 24 coaxially arranged above the lower ring rolling member 22; Brackets 25 are arranged on both sides of the carrier 1 where the ring rolling mechanism 2 is located. A first slide rail 26 is arranged between the two brackets 25. The upper ring rolling member 24 is slidably installed on the first slide rail 26.

[0021] In this embodiment, the driving member 21 includes a second slide rail 211 arranged on the carrier 1, a bidirectional screw 212 arranged above the second slide rail 211, and a first motor 213; First support blocks 214 are arranged on both sides of the top of the second slide rail 211. The bidirectional screw 212 is inserted through the first support blocks 214. The first motor 213 is installed on the carrier 1, and the output shaft of the first motor 213 is connected to one end of the bidirectional screw 212.

[0022] In this embodiment, the lower ring rolling member 22 includes a first sliding seat 221, a lower hollow frustum 222 installed on the top of the first sliding seat 221, a downward pressing roller 223 rotatably arranged on one side of the lower hollow frustum 222, and a first expanding ring roller 224 rotatably arranged on the top of the lower hollow frustum 222; A first connecting shaft 2231 is arranged in the middle of one end of the downward pressing roller 223. The first connecting shaft 2231 is inserted through one side of the lower hollow frustum 222. One end of the first connecting shaft 2231 away from the downward pressing roller 223 is connected with a first bevel gear 2232. A second connecting shaft 2241 is arranged in the middle of the bottom side of the first expanding ring roller 224. The second connecting shaft 2241 is inserted through the middle of the top side of the lower hollow frustum 222. One end of the second connecting shaft 2241 away from the first expanding ring roller 224 is connected with a first flat bevel gear 2242. The first bevel gear 2232 meshes with the first flat bevel gear 2242 and is arranged inside the lower hollow frustum 222. A spline groove 2243 is arranged in the middle of the top side of the first expanding ring roller 224; On both sides of the lower ring rolling member 22 located on the first sliding seat 221, fastening members 225 are further provided. The fastening member 225 includes mounting seats 2251 arranged on both sides of the first sliding seat 221. A round shaft 2252 is rotatably arranged on one side of the mounting seat 2251, and a fastening screw 2253 is rotatably arranged on the other side of the mounting seat 2251. At the bottom end of the round shaft 2252, a driving spur gear 2254 and a transmission spur gear 2255 are connected. At the bottom end of the fastening screw 2253, a driven spur gear 2256 is connected. The diameter of the driving spur gear 2254 is larger than that of the transmission spur gear 2255. The driving spur gear 2254 and the transmission spur gear 2255 rotate coaxially, and the driven spur gear 2256 meshes with the transmission spur gear 2255; On both sides of the second slide rail 211, strip teeth 2111 are provided, and the driving spur gear 2254 meshes with the strip teeth 2111 of the second slide rail 211.

[0023] In this embodiment, the ring expanding member 23 includes a second sliding seat 231, a solid frustum 232 mounted on the top of the second sliding seat 231, and a second ring expanding roller 233 arranged on the top of the solid frustum 232. In the middle of the top side of the solid frustum 232, a support shaft 234 is provided, and the second ring expanding roller 233 is sleeved outside the support shaft 234.

[0024] Among them, the height of the first ring expanding roller 224 is adapted to the thickness of the processed ring blank, and the second ring expanding roller 233 is adapted to the thickness of the unprocessed ring blank. Both the first sliding seat 221 and the second sliding seat 231 are slidably mounted on the second slide rail 211. The bidirectional screw 212 passes through the first sliding seat 221 and the second sliding seat 231, and the bidirectional screw 212 is threadedly connected to the first sliding seat 221 and the second sliding seat 231 respectively through two sections of reverse threads. Specifically, two sections of opposite external threads are provided on the bidirectional screw 212. Threaded holes are respectively provided through the first sliding seat 221 and the second sliding seat 231, and internal threads adapted to the two sections of external threads of the bidirectional screw 212 are respectively provided in the threaded holes. The first sliding seat 221 and the second sliding seat 231 are threadedly connected to the two sections of external threads of the bidirectional screw 212 respectively through the threaded holes. When the bidirectional screw 212 rotates, the first sliding seat 221 and the second sliding seat 231 move in opposite directions along the second slide rail 211.

[0025] In this embodiment, the upper ring rolling member 24 includes an upper hollow frustum 241, an upper pressing roller 242 arranged on one side of the upper hollow frustum 241, a second motor 243 mounted on the other side of the upper hollow frustum 241, and an electric telescopic rod 244 connected to the top of the upper hollow frustum 241. The function of the electric telescopic rod 244 is to move the upper ring rolling member 24 to facilitate the feeding of the ring blank. When the power supply of the electric telescopic rod 244 is turned off, the output shaft of the electric telescopic rod 244 can be extended and retracted under the influence of external force. On both sides of the upper hollow frustum 241, ear plates 2411 are provided, and threaded holes are provided on the ear plates 2411; While driving the lower ring rolling member 22 and the ring expanding member 23 by the first motor 213 to expand the ring blank outwards, the driving straight gear 2254 of the fastening member 225 drives the fastening screw 2253 to rotate along the strip teeth 2111 of the second slide rail 211 and connects to the ear plate 2411 of the upper ring rolling member 24, gradually fastening the upper pressure roller 242 and the lower pressure roller 223 to roll the ring blank; Specifically, the number of the first slide rails 26 is two. Both sides of the electric telescopic rod 244 are connected with sliding sleeves 27. The electric telescopic rod 244 is arranged between the two first slide rails 26. The two sliding sleeves 27 of the electric telescopic rod 244 are respectively sleeved on the two first slide rails 26. Among them, the sliding sleeve 27 is of a C-shaped structure. Blocks are arranged on both sides inside the sliding sleeve 27. Strip-shaped chutes adapted to the blocks of the sliding sleeve 27 are arranged on the upper and lower sides of the first slide rail 26. The sliding sleeve 27 is fixed on both sides of the electric telescopic rod 244 by bolts. Grooves are arranged on the opposite sides of the two first slide rails 26. When the sliding sleeve 27 is installed on the first slide rail 26, the bolts on the sliding sleeve 27 are placed in the grooves of the first slide rail 26; One end of the upper pressure roller 242 is provided with a third connecting shaft 2421. The third connecting shaft 2421 is inserted through one side of the upper hollow frustum 241. The end of the third connecting shaft 2421 away from the upper pressure roller 242 is connected with a second bevel gear 2422. The output shaft of the second motor 243 penetrates through the upper hollow frustum 241 and is connected with a vertical bevel gear 2431. A plug shaft 245 is inserted through the middle of the bottom side of the upper hollow frustum 241. The top end of the plug shaft 245 is connected with a second flat bevel gear 2451. Spline teeth 2452 are arranged on the bottom side surface of the plug shaft 245; Both the second bevel gear 2422 and the vertical bevel gear 2431 are meshed with the second flat bevel gear 2451 and are arranged inside the upper hollow frustum 241; By driving the lower ring rolling member 22 and the ring expanding member 23 to move in opposite directions by the driving member 21, while expanding the ring blank, the upper pressure roller 242 is pushed down by the electric telescopic rod 244 to roll the ring blank.

[0026] Among them, the upper pressure roller 242 and the lower pressure roller 223 are on the same side. The plug shaft 245 and the spline teeth 2452 are matched with the spline groove 2243 of the first ring expanding roller 224. When the plug shaft 245 and the spline teeth 2452 are separated from the spline groove 2243 of the first ring expanding roller 224, it is convenient to sleeved the ring blank on the lower ring rolling member 22 and the ring expanding member 23. When the plug shaft 245 and the spline teeth 2452 are inserted into the spline groove of the first ring expanding roller 224, the plug shaft 245 is connected with the first ring expanding roller 224.

[0027] In this embodiment, retaining rings 28 are provided on both sides of the carrier 1 located on the other sides of the ring rolling mechanism 2. The retaining ring 28 includes a third slide rail 281, a third slide block 282 slidably mounted on the third slide rail 281, and a retaining ring shaft 283 rotatably provided in the middle of the top side of the third slide block 282; A guide shaft 284 is inserted through the third slide block 282. Second support blocks 285 are provided on both sides of the third slide rail 281. Both ends of the guide shaft 284 are fixed to the two second support blocks 285 respectively. A spring 286 is provided between a second support block 285 on the third slide rail 281 far from the ring rolling mechanism 2 and the third slide block 282. The spring 286 is sleeved outside the guide shaft 284; A baffle 287 and an adjusting screw 288 are provided between the spring 286 and the third slide rail 281. The adjusting screw 288 is threadedly connected to a second support block 285. One end of the adjusting screw 288 is connected to the baffle 287. Specifically, a handle is provided at one end of the adjusting screw 288 away from the baffle 287. The baffle 287 is adjusted to a proper position by rotating the adjusting screw 288 to limit the outer diameter of the ring blank after ring expansion.

[0028] In this embodiment, four groups of roller frames 29 are also arranged in a circumferential distribution on the carrier 1. The four groups of roller frames 29 are distributed around the ring rolling mechanism 2 and the retaining ring 28. The roller frames 29 are used to support the ring blank. When the ring blank rotates, the rollers on the roller frames 29 can rotate following the ring blank.

[0029] The using method of the down-pressing L-shaped wind power flange ring rolling device of the present invention includes the following steps: S1. Start the electric telescopic rod 244 to contract it and drive the upper ring rolling member 24 to move upward. The ring blank is sleeved outside the first ring expanding roller 224 and the second ring expanding roller 233 and placed on the roller frame 29. The two retaining ring shafts 283 are abutted against the outside of the ring blank, and the position of the baffle 287 is adjusted by rotating the adjusting screw 288 to limit the outer diameter of the ring blank after ring expansion; S2. Start the electric telescopic rod 244 again to extend it and push the upper ring rolling member 24 to move downward. The top end of the tightening screw 2253 of the lower ring rolling member 22 abuts against the threaded hole of the ear plate 2411 in the upper ring rolling member 24. The insertion shaft 245 and the spline teeth 2452 of the upper ring rolling member 24 are inserted into the spline groove of the first ring expanding roller 224 to connect the insertion shaft 245 with the first ring expanding roller 224, and then the power supply of the electric telescopic rod 244 is turned off; S3. Start the second motor 243 to drive the vertical bevel gear 2431 to rotate. Drive the second flat bevel gear 2451 and the insertion shaft 245 to rotate through the vertical bevel gear 2431, and then drive the second bevel gear 2422, the third connecting shaft 2421 and the upper pressing roller 242 to rotate through the second flat bevel gear 2451; S4. When the insertion shaft 245 rotates, it drives the first expanding ring roller 224, the second connecting shaft 2241 and the first flat bevel gear 2242 to rotate. Through the first flat bevel gear 2242, it drives the first helical bevel gear 2232, the first connecting shaft 2231 and the lower pressing roller 223 to rotate; S5. When the first expanding ring roller 224, the upper pressing roller 242 and the lower pressing roller 223 rotate, start the first motor 213 to drive the bidirectional screw 212 to rotate. The first sliding seat 221 and the second sliding seat 231 on the bidirectional screw 212 move in opposite directions, so that the first sliding seat 221 and the second sliding seat 231 move away from each other. Through the first sliding seat 221 and the second sliding seat 231, the first expanding ring roller 224 and the second expanding ring roller 233 are driven to move. The first expanding ring roller 224 drives the lower ring rolling part 22 to move through the insertion shaft 245. The electric telescopic rod 244 slides along the first slide rail 26 through the sliding sleeve 27 to expand the ring blank, and drives the ring blank to rotate through the first expanding ring roller 224; S6. While the ring blank is expanding, the driving spur gear 2254 of the clamping part 225 rotates along the strip teeth 2111 of the second slide rail 211. Through the driving spur gear 2254, it drives the driven spur gear 2255, the driven spur gear 2256 and the clamping screw 2253 to rotate. The clamping screw 2253 gradually and slowly rotates into the threaded hole of the ear plate 2411, so that the upper ring rolling part 24 moves downward, and the upper pressing roller 242 and the lower pressing roller 223 are gradually clamped to roll the ring blank; S7. While the ring blank is expanding, the ring blank pushes the retaining ring shaft 283 to move outward. The retaining ring shaft 283 drives the third sliding seat 282 to move along the third slide rail 281 and compress the spring 286 until the third sliding seat 282 moves to the baffle 287 and stops, and the expansion of the ring blank ends; S8. After the ring blank is processed, start the electric telescopic rod 244 to contract and drive the upper ring rolling part 24 to move upward, separate the insertion shaft 245 and the spline teeth 2452 of the upper ring rolling part 24 from the spline groove of the first expanding ring roller 224, and then take out the processed ring blank. The spring 286 of the retaining ring part 28 expands, and pushes the third sliding seat 282 and the retaining ring shaft 283 back to their original positions, waiting for the next ring blank processing.

[0030] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, 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 included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A downward pressure L-shaped wind turbine flange ring rolling device, characterized in that: The invention comprises a bearing frame (1) and a ring rolling mechanism (2), wherein the ring rolling mechanism (2) is arranged on the bearing frame (1), and the ring rolling mechanism (2) comprises a driving member (21) mounted on the bearing frame (1), a lower ring rolling member (22) and a ring expanding member (23) slidably mounted on the driving member (21), and an upper ring rolling member (24) coaxially arranged above the lower ring rolling member (22); The carrier frame (1) is provided with brackets (25) on both sides of the rolling ring mechanism (2), a first slide rail (26) is provided between the two brackets (25), and the upper rolling ring member (24) is slidably mounted on the first slide rail (26); The driving member (21) comprises a second slide rail (211) arranged on the carrier (1), a bidirectional screw rod (212) arranged above the second slide rail (211), and a first motor (213); The lower rolling ring member (22) comprises a first slide seat (221), a lower hollow cone (222) mounted on the top of the first slide seat (221), a lower pressing roller (223) rotatably arranged on one side of the lower hollow cone (222), and a first ring expanding roller (224) rotatably arranged on the top of the lower hollow cone (222); The lower rolling ring member (22) is also provided with a tightening member (225) on both sides of the first slide seat (221). The tightening member (225) comprises a mounting seat (2251) arranged on both sides of the first slide seat (221). A round shaft (2252) is rotatably provided on one side of the mounting seat (2251), and a tightening screw (2253) is rotatably provided on the other side of the mounting seat (2251). A driving spur gear (2254) and a transmission spur gear (2255) are connected to the bottom end of the round shaft (2252). A driven spur gear (2256) is connected to the bottom end of the tightening screw (2253). The diameter of the driving spur gear (2254) is larger than the diameter of the transmission spur gear (2255). The driving spur gear (2254) and the transmission spur gear (2255) rotate coaxially, and the driven spur gear (2256) is meshed with the transmission spur gear (2255). Both sides of the second slide rail (211) are provided with bar teeth (2111), and the active spur gear (2254) is meshed with the bar teeth (2111) of the second slide rail (211); The upper rolling ring member (24) comprises an upper hollow cone (241), an upper pressure roller (242) arranged on one side of the upper hollow cone (241), a second motor (243) installed on the other side of the upper hollow cone (241), and an electric telescopic rod (244) connected to the top of the upper hollow cone (241), and ear plates (2411) are arranged on both sides of the upper hollow cone (241), and threaded holes are arranged on the ear plates (2411); While the first motor (213) drives the lower ring rolling member (22) and the ring expanding member (23) to expand the ring blank outward, the active spur gear (2254) of the clamping member (225) drives the clamping screw (2253) to rotate along the bar teeth (2111) of the second slide rail (211) and connects to the ear plate (2411) of the upper ring rolling member (24), so that the upper pressing roller (242) and the lower pressing roller (223) are gradually clamped together to roll the ring blank.

2. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 1 is characterized in that: The driving member (21) comprises a second slide rail (211) arranged on the carrier (1), a bidirectional screw rod (212) arranged above the second slide rail (211), and a first motor (213); First support blocks (214) are provided on both sides of the top of the second slide rail (211), the bidirectional screw rod (212) is inserted into the first support block (214), the first motor (213) is mounted on the support frame (1), and the output shaft of the first motor (213) is connected to one end of the bidirectional screw rod (212).

3. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 2 is characterized in that: A first connecting shaft (2231) is arranged in the middle of one end of the lower pressure roller (223), the first connecting shaft (2231) is inserted and arranged on one side of the lower hollow cone (222), and the end of the first connecting shaft (2231) away from the lower pressure roller (223) is connected to the first bevel gear (2232), a second connecting shaft (2241) is arranged in the middle of the bottom side of the first ring expansion roller (224), the second connecting shaft (2241) is inserted and arranged in the middle of the top side of the lower hollow cone (222), and the end of the second connecting shaft (2241) away from the first ring expansion roller (224) is connected to the first flat bevel gear (2242), the first bevel gear (2232) is meshed with the first flat bevel gear (2242) and is arranged inside the lower hollow cone (222), and a spline groove (2243) is arranged in the middle of the top side of the first ring expansion roller (224).

4. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 3 is characterized in that: The ring expansion member (23) comprises a second slide seat (231), a solid frustum (232) mounted on the top of the second slide seat (231), and a second ring expansion roller (233) arranged on the top of the solid frustum (232); a support shaft (234) is arranged in the middle of the top side of the solid frustum (232); and the second ring expansion roller (233) is sleeved outside the support shaft (234).

5. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 4 is characterized in that: The first slide seat (221) and the second slide seat (231) are both slidably mounted on the second slide rail (211); the bidirectional screw rod (212) passes through the first slide seat (221) and the second slide seat (231); and the bidirectional screw rod (212) is threadedly connected to the first slide seat (221) and the second slide seat (231) respectively through two sections of reverse threads.

6. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 5 is characterized in that: A third connecting shaft (2421) is provided at one end of the upper pressure roller (242), the third connecting shaft (2421) is inserted and arranged on one side of the upper hollow cone (241), the end of the third connecting shaft (2421) away from the upper pressure roller (242) is connected to a second helical bevel gear (2422), the output shaft of the second motor (243) passes through the upper hollow cone (241) and is connected to a vertical bevel gear (2431), an insertion shaft (245) is inserted and arranged in the middle of the bottom side of the upper hollow cone (241), the top end of the insertion shaft (245) is connected to a second flat bevel gear (2451), and the bottom side surface of the insertion shaft (245) is provided with spline teeth (2452); The second oblique bevel gear (2422) and the vertical bevel gear (2431) are both meshed with the second flat bevel gear (2451) and are arranged inside the upper hollow cone (241).

7. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 6 is characterized in that: The number of the first slide rails (26) is two, both sides of the electric telescopic rod (244) are connected with a slide sleeve (27), the electric telescopic rod (244) is arranged between the two first slide rails (26), and the two slide sleeves (27) of the electric telescopic rod (244) are respectively clamped on the two first slide rails (26); The upper pressing roller (242) and the lower pressing roller (223) are located on the same side, and the insertion shaft (245) and the spline teeth (2452) match the spline grooves (2243) of the first ring expansion roller (224).

8. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 7 is characterized in that: The other two sides of the bearing frame (1) located on the ring rolling mechanism (2) are provided with retaining ring members (28), and the retaining ring members (28) include a third slide rail (281), a third slide seat (282) slidably mounted on the third slide rail (281), and a retaining ring shaft (283) rotatably arranged in the middle of the top side of the third slide seat (282); A guide shaft (284) is inserted into the third slide seat (282), second support blocks (285) are provided on both sides of the third slide rail (281), two ends of the guide shaft (284) are respectively fixed on the two second support blocks (285), a spring (286) is provided between a second support block (285) on the third slide rail (281) away from the rolling ring mechanism (2) and the third slide seat (282), and the spring (286) is sleeved on the outside of the guide shaft (284); A baffle (287) and an adjusting screw (288) are provided between the spring (286) and the third slide rail (281); the adjusting screw (288) is threadedly connected to a second support block (285); and one end of the adjusting screw (288) is connected to the baffle (287).

9. The downward-pressed L-shaped wind turbine flange ring rolling device according to claim 8 is characterized in that: Four groups of roller frames (29) are also arranged in a circular pattern on the carrier frame (1), and the four groups of roller frames (29) are distributed around the ring rolling mechanism (2) and the retaining ring (28).

10. The method for using the downward-pressed L-shaped wind turbine flange ring rolling device according to claim 9 is characterized in that: The following steps are involved: S1, starting the electric telescopic rod (244) to retract it and drive the upper rolling ring member (24) to move upward, sleeve the ring blank outside the first ring expansion roller (224) and the second ring expansion roller (233) and place it on the roller frame (29), abut the two retaining ring shafts (283) against the outer side of the ring blank, and rotate the adjusting screw (288) to adjust the position of the retaining plate (287) to limit the outer ring diameter of the ring blank after the ring is expanded; S2, the electric telescopic rod (244) is started again to extend it and push the upper rolling ring (24) downward, the top end of the tightening screw (2253) of the lower rolling ring (22) abuts against the threaded hole of the middle ear plate (2411) of the upper rolling ring (24), the insertion shaft (245) and the spline teeth (2452) of the upper rolling ring (24) are inserted into the spline groove of the first ring expansion roller (224), so that the insertion shaft (245) is connected to the first ring expansion roller (224), and then the power supply of the electric telescopic rod (244) is turned off; S3, starting the second motor (243) to drive the vertical bevel gear (2431) to rotate, driving the second flat bevel gear (2451) and the plug shaft (245) to rotate through the vertical bevel gear (2431), and then driving the second helical bevel gear (2422), the third connecting shaft (2421) and the upper pressure roller (242) to rotate through the second flat bevel gear (2451); S4. When the insertion shaft (245) rotates, the first ring expansion roller (224), the second connecting shaft (2241) and the first flat bevel gear (2242) are driven to rotate via the insertion shaft (245), and the first bevel gear (2232), the first connecting shaft (2231) and the lower pressure roller (223) are driven to rotate via the first flat bevel gear (2242); S5. When the first ring-expanding roller (224), the upper pressure roller (242) and the lower pressure roller (223) rotate, the first motor (213) is started to drive the bidirectional screw (212) to rotate, and the first slide (221) and the second slide (231) on the bidirectional screw (212) move in opposite directions, so that the first slide (221) and the second slide (231) move away from each other, and the first ring-expanding roller (224) and the second ring-expanding roller (233) are driven to move by the first slide (221) and the second slide (231), and the first ring-expanding roller (224) drives the lower ring rolling member (22) to move through the insertion shaft (245), and the electric telescopic rod (244) slides along the first slide rail (26) through the sliding sleeve (27) to expand the ring embryo, and drives the ring embryo to rotate through the first ring-expanding roller (224); S6. While the ring embryo is expanding, the active spur gear (2254) of the clamping member (225) rotates along the bar teeth (2111) of the second slide rail (211), and the active spur gear (2254) drives the transmission spur gear (2255), the driven spur gear (2256) and the clamping screw (2253) to rotate, and the clamping screw (2253) is gradually and slowly screwed into the threaded hole of the ear plate (2411), so that the upper rolling ring member (24) moves downward, and the upper pressing roller (242) and the lower pressing roller (223) are gradually tightened to roll the ring embryo; S7, while the ring embryo is expanding, the retaining ring shaft (283) is pushed outward by the ring embryo, and the retaining ring shaft (283) drives the third slide seat (282) to move along the third slide rail (281) and compress the spring (286), until the third slide seat (282) moves to the baffle plate (287) and stops, and the ring embryo expansion ends; S8. After the ring blank is processed, the electric telescopic rod (244) is started to shrink and drive the upper rolling ring member (24) to move upward, and the insertion shaft (245) and the spline teeth (2452) of the upper rolling ring member (24) are separated from the spline groove of the first ring expansion roller (224). The processed ring blank is then taken out, and the spring (286) of the retaining ring member (28) is extended to push the third slide seat (282) and the retaining ring shaft (283) to their original positions, waiting for the next ring blank processing.

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