A wind turbine stator sector punching machine
By using a fixed seat and clamp structure to fix the stamping mold in the stator fan-shaped sheet stamping machine of the wind turbine, the problem of the mold due to external force is solved, and the normal use of the stamping machine and the high-quality stamping of the stator fan-shaped sheet are achieved.
Patent Information
- Application Number
- CN202421411354.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The molds of existing stator fan-shaped sheet stamping machines are prone to deviation due to external forces, which affects the use of the stamping machines.
A stator fan-shaped sheet stamping machine for wind turbines is designed, and the stamping mold is fixed using a fixed seat and a clamp structure. Through the cooperation of the hydraulic rod and the stamping block, the mold does not shift during the stamping process.
It effectively avoids the problem of external force deviation of the mold, ensures the normal use of the stamping machine and the high-quality stamping of the stator fan-shaped piece.
Smart Images

Figure CN222725285U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of punching machines, in particular to a wind turbine stator sector sheet punching machine. Background Art
[0002] Converting the kinetic energy of wind into mechanical kinetic energy, and then converting the mechanical energy into electrical kinetic energy, this is wind power generation. Wind is one of the pollution-free energy sources, and it is inexhaustible. The wind turbine consists of a nose, a rotor, a tail, and blades. The stator, the fixed part of the motor in the nose, is made of stacked silicon steel sheets and embedded with coil windings. The windings generate a rotating magnetic field, and the stator punchings that make up the stator are punched by a stamping die.
[0003] The existing mold of the stator sector punching machine is generally placed firmly on the punching machine by means of a large mass. In this method, during the stamping process of the stator sector punching machine, the mold is easily offset by external force, thereby affecting the use of the punching machine.
[0004] Therefore, we propose a wind turbine stator sector punching machine to solve the above-mentioned problems. Utility Model Content
[0005] The utility model aims to provide a wind turbine stator sector punching machine to solve the problem in the background art that the mold in the current market may be offset due to external force, thereby affecting the use of the punching machine.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine stator sector punching machine, comprising a machine body, a base, a punching die and a punching block, the machine body is provided with a base, and a fixed seat is provided on the top of the base, a first clamping block and a second clamping block are provided inside the fixed seat, and a punching die is provided between the first clamping block and the second clamping block, the machine body is provided with a hydraulic rod, and a connecting plate is fixed at the bottom of the hydraulic rod, a chuck is provided at the bottom of the connecting plate, and the chuck is connected to the punching block, and the four corners of the bottom of the connecting plate are connected to the four corners of the top of the base through telescopic rods.
[0007] Preferably, a first threaded rod and a second threaded rod are provided inside the fixed seat, and the first threaded rod and the second threaded rod are connected to the fixed seat by bearings, the top of the first threaded rod is connected to the first gear, and the first gear is provided on the side of the fixed seat, the top of the second threaded rod is connected to the second gear, and the second gear is provided on the side of the fixed seat, a third gear is provided on the side of the fixed seat between the first gear and the second gear, and the third gear is connected to the side of the fixed seat by bearings, and a handle is provided at the center position of the third gear.
[0008] Preferably, the first threaded rod passes through the first clamp and the second clamp, and the first threaded rod is threadedly connected to the first clamp and the second clamp, the threads at both ends of the first threaded rod have opposite rotation directions, and the first clamp and the second clamp are respectively located at both ends of the first threaded rod, the second threaded rod passes through the first clamp and the second clamp, and the second threaded rod is threadedly connected to the first clamp and the second clamp, the threads at both ends of the second threaded rod have opposite rotation directions, and the first clamp and the second clamp are respectively located at both ends of the second threaded rod.
[0009] Preferably, the stamping die is provided with a limiting groove, and a movable block is arranged inside the limiting groove, an empty groove is arranged at the bottom of the limiting groove, and a spring is arranged inside the empty groove, the top of the spring is connected to the movable block, and the top of the movable block has the same shape as the stator sector.
[0010] Preferably, a rotating disk is provided inside the chuck, and the rotating disk is connected to the chuck by a bearing, the chuck is provided with three symmetrical movable grooves, and clamping claws are provided inside the movable grooves, the rotating disk is connected to the clamping claws, and a thread is provided on the surface of the rotating disk in contact with the clamping claws, an installation groove is provided in the center of the chuck, a rotating part is provided on the side of the chuck, and the rotating part is connected to the chuck by a bearing, toothed grooves are provided around the back of the rotating disk, and the rotating part is in contact with the back of the rotating disk, and the rotating part and the rotating disk constitute a transmission structure.
[0011] Preferably, the top of the hydraulic rod is connected to a hydraulic press.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the wind turbine stator sector sheet punching machine is
[0013] (1) A fixing seat is provided, and a first clamping block and a second clamping block are provided inside the fixing seat. The first gear and the second gear are driven to rotate in the same direction through the third gear by rotating the handle, so that the first threaded rod and the second threaded rod are rotated. The stamping die is fixed by the first clamping block and the second clamping block to prevent the die from being offset due to external force during the stamping process, thereby facilitating the normal use of the stamping machine;
[0014] (2) A stamping die is provided, and a movable block is provided inside the stamping die. During the stamping process, the movable block moves up and down in the limit groove and rebounds through a spring, so that after the stator segment is stamped, the stator segment is taken out together with the rise of the stamping block;
[0015] (3) A chuck is provided, and the chuck is provided with three clamping claws. By rotating the rotating part, the rotating disk is rotated, and the clamping claws are moved, so that the stamping block can be quickly disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1This is a schematic diagram of the front view structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the side view structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the top view of the fixing seat of the utility model;
[0019] Figure 4 This is a schematic diagram of the internal structure of the fixing seat of the utility model;
[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model;
[0021] Figure 6 This is a schematic diagram of the chuck structure of the utility model;
[0022] Figure 7 This is a schematic diagram of the internal structure of the chuck of the utility model;
[0023] Figure 8 It is a schematic diagram of the cross-sectional structure of the back of the chuck of the utility model.
[0024] In the figure: 1, machine body; 2, base; 3, fixed seat; 4, first gear; 401, first threaded rod; 5, second gear; 501, second threaded rod; 6, third gear; 601, handle; 7, first clamping block; 8, second clamping block; 9, stamping die; 901, movable block; 902, limit groove; 903, empty groove; 904, spring; 10, hydraulic rod; 11, connecting plate; 12, chuck; 1201, rotating disk; 1202, mounting groove; 1203, rotating member; 1204, clamping claw; 1205, movable groove; 13, stamping block; 14, telescopic rod. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-8The utility model provides a technical solution: a wind turbine stator sector sheet stamping machine, including a machine body 1, a base 2, a stamping die 9 and a stamping block 13, the machine body 1 is provided with a base 2, and a fixed seat 3 is provided on the top of the base 2, a first clamping block 7 and a second clamping block 8 are provided inside the fixed seat 3, and a stamping die 9 is provided between the first clamping block 7 and the second clamping block 8, the machine body 1 is provided with a hydraulic rod 10, and a connecting plate 11 is fixed to the bottom of the hydraulic rod 10, a chuck 12 is provided at the bottom of the connecting plate 11, and the chuck 12 is connected to the stamping block 13, and the four corners at the bottom of the connecting plate 11 are connected to the four corners at the top of the base 2 through a telescopic rod 14.
[0027] A first threaded rod 401 and a second threaded rod 501 are arranged inside the fixing seat 3, and the first threaded rod 401 and the second threaded rod 501 are connected to the fixing seat 3 by bearings, the top of the first threaded rod 401 is connected to the first gear 4, and the first gear 4 is arranged on the side of the fixing seat 3, the top of the second threaded rod 501 is connected to the second gear 5, and the second gear 5 is arranged on the side of the fixing seat 3, a third gear 6 is arranged on the side of the fixing seat 3 between the first gear 4 and the second gear 5, and the third gear 6 is connected to the side of the fixing seat 3 by bearings, and a handle 601 is arranged at the center position of the third gear 6, and the first threaded rod 401 and the second threaded rod 501 can be rotated synchronously by rotating the handle 601, so as to facilitate the simultaneous rotation of the first threaded rod 401 and the second threaded rod 501.
[0028] The first threaded rod 401 passes through the first clamp block 7 and the second clamp block 8, and the first threaded rod 401 is threadedly connected to the first clamp block 7 and the second clamp block 8, the threads at both ends of the first threaded rod 401 have opposite rotation directions, and the first clamp block 7 and the second clamp block 8 are respectively located at both ends of the first threaded rod 401, the second threaded rod 501 passes through the first clamp block 7 and the second clamp block 8, and the second threaded rod 501 is threadedly connected to the first clamp block 7 and the second clamp block 8, the threads at both ends of the second threaded rod 501 have opposite rotation directions, and the first clamp block 7 and the second clamp block 8 are respectively located at both ends of the second threaded rod 501, the first clamp block 7 and the second clamp block 8 can be rotated to make the first threaded rod 401 and the second threaded rod 501 move toward or relative to each other, so as to fix the stamping die 9.
[0029] The stamping die 9 is provided with a limiting groove 902, and a movable block 901 is arranged inside the limiting groove 902, an empty groove 903 is arranged at the bottom of the limiting groove 902, and a spring 904 is arranged inside the empty groove 903, the top of the spring 904 is connected to the movable block 901, and the top of the movable block 901 has the same shape as the stator sector-shaped piece. The movable block 901 can be moved up and down. After the stator sector-shaped piece is stamped, the stator sector-shaped piece rises to the outside of the stamping die 9 as the stamping block 13 rises, which is convenient for collecting the stator sector-shaped piece.
[0030] A rotating disk 1201 is arranged inside the chuck 12, and the rotating disk 1201 and the chuck 12 are connected by bearings. The chuck 12 is provided with three symmetrical movable grooves 1205, and a clamping claw 1204 is arranged inside the movable groove 1205. The rotating disk 1201 is connected to the clamping claw 1204, and the rotating disk 1201 is provided with a thread on the surface in contact with the clamping claw 1204. An installation groove 1202 is arranged in the center of the chuck 12, and a rotating member 1203 is arranged on the side of the chuck 12, and the rotating member 1203 and the chuck 12 are connected by bearings. Toothed grooves are arranged around the back of the rotating disk 1201, and the rotating member 1203 is in contact with the back of the rotating disk 1201. The rotating member 1203 and the rotating disk 1201 constitute a transmission structure, and the rotating disk 1201 can be rotated by rotating the rotating member 1203, and the stamping block 13 is clamped by the clamping claw 1204, so as to facilitate the disassembly and assembly of the stamping block 13.
[0031] The top of the hydraulic rod 10 is connected to a hydraulic press, and the hydraulic rod 10 can be lowered by the hydraulic press, and punched by the punching block 13, so as to facilitate the punching of the stator sector.
[0032] Working principle: When using the wind turbine stator sector punching machine, first place a suitable punching block 13 inside the mounting groove 1202, then rotate the rotating part 1203 to rotate the rotating disk 1201, and at the same time, the clamping claw 1204 moves in the movable groove 1205 to clamp and fix the punching block 13, then select a punching die 9 that matches the punching block 13, and place the punching die 9 between the first clamping block 7 and the second clamping block 8, then rotate the handle 601, and drive the first gear 4 and the second gear 5 to rotate through the rotation of the third gear 6, so that the first threaded rod 401 and the second threaded rod 501 rotate synchronously, so that the first clamping block 7 and the second clamping block 8 move toward each other, and the punching die 9 is pressed by the first clamping block 7 and the second clamping block 8. The silicon steel sheet is fixed, and then the silicon steel sheet is placed between the stamping die 9 and the stamping block 13. Then the hydraulic press inside the body 1 is opened, and the connecting plate 11 is driven downward by the hydraulic rod 10. The stator sector is punched out by the contact and compression of the stamping block 13 and the stamping die 9. During the process, the movable block 901 moves downward in the limit groove 902 and compresses the spring 904. Finally, the stamping block 13 is moved upward by the hydraulic press, and the spring 904 in the empty groove 903 rebounds to lift the movable block 901, so that the stamped stator sector is synchronously moved upward and reaches the upper surface of the stamping die 9. This completes the use of the wind turbine stator sector punching machine, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A wind turbine stator sector punching machine, comprising a machine body (1), a base (2), a punching die (9) and a punching block (13), characterized in that: The machine body (1) is provided with a base (2), and a fixed seat (3) is provided on the top of the base (2), a first clamping block (7) and a second clamping block (8) are provided inside the fixed seat (3), and a stamping die (9) is provided between the first clamping block (7) and the second clamping block (8), the machine body (1) is provided with a hydraulic rod (10), and a connecting plate (11) is fixed at the bottom of the hydraulic rod (10), a clamping plate (12) is provided at the bottom of the connecting plate (11), and the clamping plate (12) is connected to the stamping block (13), and the four corners of the bottom of the connecting plate (11) are connected to the four corners of the top of the base (2) through telescopic rods (14).
2. A wind turbine stator sector punching machine according to claim 1, characterized in that: A first threaded rod (401) and a second threaded rod (501) are arranged inside the fixing seat (3), and the first threaded rod (401) and the second threaded rod (501) are connected to the fixing seat (3) by bearings; the top of the first threaded rod (401) is connected to the first gear (4), and the first gear (4) is arranged on the side of the fixing seat (3); the top of the second threaded rod (501) is connected to the second gear (5), and the second gear (5) is arranged on the side of the fixing seat (3); a third gear (6) is arranged on the side of the fixing seat (3) between the first gear (4) and the second gear (5), and the third gear (6) is connected to the side of the fixing seat (3) by bearings; and a handle (601) is arranged at the center of the third gear (6).
3. A wind turbine stator sector punching machine according to claim 2, characterized in that: The first threaded rod (401) passes through the first clamping block (7) and the second clamping block (8), and the first threaded rod (401) is threadedly connected to the first clamping block (7) and the second clamping block (8); the threads at both ends of the first threaded rod (401) have opposite rotation directions, and the first clamping block (7) and the second clamping block (8) are respectively located at both ends of the first threaded rod (401); the second threaded rod (501) passes through the first clamping block (7) and the second clamping block (8), and the second threaded rod (501) is threadedly connected to the first clamping block (7) and the second clamping block (8); the threads at both ends of the second threaded rod (501) have opposite rotation directions, and the first clamping block (7) and the second clamping block (8) are respectively located at both ends of the second threaded rod (501).
4. A wind turbine stator sector punching machine according to claim 2, characterized in that: The stamping die (9) is provided with a limiting groove (902), and a movable block (901) is arranged inside the limiting groove (902); an empty groove (903) is arranged at the bottom of the limiting groove (902), and a spring (904) is arranged inside the empty groove (903); the top of the spring (904) is connected to the movable block (901), and the top of the movable block (901) has the same shape as the stator sector.
5. The wind turbine stator sector punching machine according to claim 1, characterized in that: The chuck (12) is provided with a rotating disk (1201) inside, and the rotating disk (1201) and the chuck (12) are connected by a bearing, the chuck (12) is provided with three symmetrical movable grooves (1205), and the movable grooves (1205) are provided with clamping claws (1204), the rotating disk (1201) is connected with the clamping claws (1204), and the rotating disk (1201) is provided with a screw on the surface in contact with the clamping claws (1204). The chuck (12) has a mounting groove (1202) at its center, a rotating member (1203) is arranged on the side of the chuck (12), and the rotating member (1203) is connected to the chuck (12) by a bearing, tooth-shaped grooves are arranged around the back of the rotating disk (1201), and the rotating member (1203) is in contact with the back of the rotating disk (1201), and the rotating member (1203) and the rotating disk (1201) form a transmission structure.
6. A wind turbine stator sector punching machine according to claim 1, characterized in that: The top of the hydraulic rod (10) is connected to a hydraulic press.