Double-cake runway type coil winding device

Abstract

The invention discloses a double-cake runway type coil winding device. The device comprises a workbench; a winding platform is arranged on the workbench; a plurality of T-shaped grooves are formed in the top of the winding platform; the plurality of T-shaped grooves are distributed in a runway shape; two limiting sliding blocks are connected into the T-shaped groove in a sliding mode. An adjusting assembly used for adjusting the position of the limiting sliding block is arranged in the T-shaped groove. The upper portion of the limiting sliding block located on the outer side is in threaded connection with a first adjusting bolt. The end, close to the limiting sliding block on the inner side, of the first adjusting bolt is movably connected with a check block. Through cooperation of the T-shaped groove, the limiting sliding blocks, the adjusting assembly, the first adjusting bolt, the check block and other components, winding of the double-cake runway type coil can be achieved, meanwhile, winding of runway type coils of different boundary dimensions can be achieved by adjusting the positions of the two limiting sliding blocks in the T-shaped groove, machining of winding molds of various dimensions is avoided, and the winding cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of coil winding, and more specifically to a double-pancake racetrack type coil winding device. Background Art

[0002] The racetrack coil is a coil structure similar to the shape of a runway. Its main function is to convert electrical signals into magnetic signals. When the electrical signal passes through the racetrack coil, it will generate current in the wire, thereby generating a magnetic field. The racetrack coil has a large number of wires, a large induction area, and a stable output signal. It is suitable for strong field and strong electrical application requirements, such as high-field superconducting magnets, nuclear magnetic resonance spectrometers, controlled nuclear fusion devices, high-energy particle accelerators and other fields.

[0003] At present, the racetrack coil is generally divided into two winding methods: tension and tension-free. The tension winding method usually requires the use of a special winding machine and is not suitable for double-cake or multi-cake continuous coil winding. However, there are few existing double-cake racetrack coil equipment for tension-free winding. Therefore, designing a double-cake racetrack coil winding device has important application value. Summary of the invention

[0004] In view of this, the present invention provides a double-pancake racetrack coil winding device, the purpose of which is to solve the problems existing in the prior art.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A double-pancake racetrack coil winding device comprises: a workbench; a winding platform is provided on the workbench; a plurality of T-slots are provided on the top of the winding platform; the plurality of T-slots are arranged in a racetrack shape; two limit sliders are slidably connected in the T-slots; an adjustment component for adjusting the position of the limit slider is provided in the T-slots; a first adjusting bolt is threadedly connected to the upper part of the limit slider located on the outside; a stopper is movably connected to one end of the first adjusting bolt close to the inner limit slider.

[0007] Preferably, the adjustment assembly comprises a slider nut and a second adjustment bolt; the slider nut is slidably connected in the T-slot; and the limiting slider is connected to the slider nut via the second adjustment bolt.

[0008] It also includes a coil guide assembly; the coil guide assembly includes a first guide block and a second guide block; the first guide block is arranged above the second guide block; a guide groove is formed between the first guide block and the second guide block; the first guide block is connected to the inner limiting slider by a bolt.

[0009] Preferably, a clamp is provided on the top of the winding platform.

[0010] Preferably, the winding platform is composed of a plurality of block platforms; a block reinforcement frame is provided at the bottom of each block platform; a plurality of lifting mechanisms are provided on the workbench; the number of the lifting mechanisms is the same as the block platforms, and they are arranged one by one; the output end of the lifting mechanism is connected to the bottom of the corresponding block reinforcement frame.

[0011] Preferably, the number of the block platforms is six.

[0012] Preferably, the lifting mechanism is a worm gear screw lift.

[0013] Preferably, the workbench is a hexagonal workbench.

[0014] Compared with the prior art, the present invention has achieved the following technical effects: the present invention can realize the winding of double-disc racetrack-shaped coils by cooperating with components such as T-slots, limit sliders, adjustment components, first adjustment bolts, and blocks; at the same time, by adjusting the positions of the two limit sliders in the T-slots, the winding of racetrack-shaped coils with different external dimensions can be realized, thereby avoiding the processing of winding molds of various sizes and reducing the winding cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a double-pancake racetrack coil winding device of the present invention;

[0016] Figure 2 An exploded view of a double-pancake racetrack coil winding device of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the winding platform;

[0018] Figure 4 It is a structural diagram of the block platform;

[0019] Figure 5 It is a cross-sectional view of the connection part of the limit slider, the adjustment component and the winding platform;

[0020] Figure 6 It is a structural schematic diagram of the limit slider and the adjustment component;

[0021] Figure 7 It is a structural schematic diagram of the first adjusting bolt, the stopper and the limiting slider;

[0022] Figure 8 is a schematic diagram of the structure of the coil guide assembly;

[0023] Fig. 9 This is a schematic diagram of the winding process of the outermost coil of the first cake;

[0024] Fig.10 This is a schematic diagram of the completion of the winding of the first pancake coil;

[0025] Fig.11 This is a schematic diagram of the winding process of the racetrack type coil across the pancake;

[0026] Fig.12 This is a partial enlarged view of the cross-panel winding of the racetrack type coil;

[0027] Fig.13 This is a cross-sectional view of the racetrack coil where it is wound across the pancake;

[0028] Fig.14 This is a schematic diagram of the winding process of the innermost coil of the second cake;

[0029] Fig.15 This is a schematic diagram of the completion of the winding of the double-pancake racetrack coil;

[0030] In the figure: 1. workbench; 2. winding platform; 201. block platform; 3. T-slot; 4. limit slider; 5. adjustment assembly; 501. slider nut; 502. second adjustment bolt; 6. first adjustment bolt; 7. stopper; 8. coil guide assembly; 801. first guide block; 802. second guide block; 9. guide groove; 10. clamp; 11. block reinforcement frame; 12. lifting mechanism. DETAILED DESCRIPTION

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

[0032] Example

[0033] Reference Figure 1-15As shown, the present invention discloses a double-pancake racetrack coil winding device, comprising: a workbench 1; a winding platform 2 is provided on the workbench 1; a racetrack-shaped through groove is provided in the middle of the winding platform 2; a plurality of T-slots 3 are provided on the top of the winding platform 2; the plurality of T-slots 3 are arranged in a racetrack-shaped distribution; two relatively arranged limit sliders 4 are slidably connected in the T-slot 3; the limit slider 4 is an L-shaped structure; an adjustment component 5 for adjusting the position of the limit slider 4 is provided in the T-slot 3; the upper part of the limit slider 4 located on the outer side is threadedly connected with a first adjustment Bolt 6; the first adjusting bolt 6 is movably connected to a stopper 7 at one end of the limit slider 4 on the inner side; when in use, the positions of all the limit sliders 4 on the outer side are determined according to the design size of the outermost coil of the wound coil, and are fixed by the adjusting component 5, and the outermost coil of the first cake is wound in contact with the limit slider on the outer side. During this process, the limit slider 4 on the inner side is pushed in sequence according to the winding direction of the coil, so that the limit slider 4 on the inner side is pressed against the outermost coil of the first cake until the winding of the outermost coil of the first cake is completed, and the outermost coil of the first cake is wound. When the outer coil of the first cake is made to fit the outermost coil of the first cake for winding, during this process, the next inner limiting slider 4 is first moved away, and then the upper inner limiting slider 4 is moved to fit the outer coil of the first cake to complete the winding of the outer coil of the first cake, and so on, the winding of the other layers of coils of the first cake is completed. At this time, the position of the inner limiting slider 4 is fixed, and the inner limiting slider can be fitted to the inner limit slider to wind the innermost coil of the second cake upwards. During the winding process of the innermost coil of the second cake, according to the coil winding method By rotating the first adjusting bolt 6 on the outer limiting slider 4 in sequence, the stopper 7 is driven to move inward so that the stopper 7 is pressed against the innermost coil of the second cake. When winding the second inner coil of the second cake, the second inner coil of the second cake is made to fit the innermost coil of the second cake for winding. In this process, the next stopper 7 is first removed, and then the previous stopper 7 is moved to press against the innermost coil of the second cake to complete the winding of the innermost coil of the second cake, and so on, the winding of other layers of coils of the second cake is completed, thereby completing the winding of the double-cake runway type coil.

[0034] The above technical solution can realize the winding of double-pancake runway-shaped coils by cooperating with components such as T-slots, limit sliders, adjustment components, first adjustment bolts, and blocks. At the same time, by adjusting the positions of the two limit sliders in the T-slots, the winding of runway-shaped coils with different external dimensions can be realized.

[0035] In this embodiment, the adjustment component 5 includes a slider nut 501 and a second adjustment bolt 502; the slider nut 501 is slidably connected in the T-slot 3; the limit slider 4 is connected to the slider nut 501 through the second adjustment bolt 502; when the position of the limit slider 4 needs to be adjusted, loosen the second adjustment bolt 502 to push the limit slider 4 to move along the T-slot 3. When the limit slider 4 moves to the appropriate position, tighten the second adjustment bolt 502 to fix the limit slider 4.

[0036] In this embodiment, the winding device also includes a coil guide assembly 8; the coil guide assembly 8 includes a first guide block 801 and a second guide block 802; the first guide block 801 is arranged above the second guide block 802; the first guide block 801 is connected to the inner limiting slider 4 by bolts; the second guide block 802 is located between the inner limiting slider 4 and the innermost coil of the first cake; a guide groove 9 is formed between the first guide block 801 and the second guide block 802, which is used to guide the coil to smoothly transition from the innermost position of the first cake to the innermost position of the second cake to avoid damage to the coil due to severe bending.

[0037] In this embodiment, two clamps 10 are provided on the top of the winding platform 2 for fixing the two ends of the coil; before the coil is wound, one end of the coil is first fixed to the winding platform 2 through the clamp 10, and after the double-pancake runway type coil is wound, the other end of the coil is fixed to the winding platform 2 through the clamp 10.

[0038] In this embodiment, the clamp 10 is connected to the top of the winding platform 2 by bolts, which facilitates the installation and removal of the clamp.

[0039] In this embodiment, the winding platform 2 is composed of a plurality of block platforms 201, and each block platform 201 can move up and down independently, so as to facilitate the insulation and removal of the coil after winding; a plurality of T-slots 3 are provided on the top of each block platform 201; a block reinforcement frame 11 matching the shape of the block platform 201 is provided at the bottom of each block platform 201, so as to improve the rigidity of the block platform 201 and avoid deformation of the coil during the winding process; a plurality of lifting mechanisms 12 are provided on the workbench 1; the number of the lifting mechanisms 12 is the same as that of the block platforms 201, and they are arranged one by one; the output end of the lifting mechanism 12 is connected to the bottom of the corresponding block reinforcement frame 11; when in use, the block platform 201 is driven to move up and down by the lifting mechanism 12.

[0040] In this embodiment, the block platform 201 and the block reinforcement frame 11 are connected by welding.

[0041] In this embodiment, the number of the block platforms 201 is six.

[0042] In this embodiment, the lifting mechanism 12 is a worm gear screw lift.

[0043] In this embodiment, the workbench 1 is a hexagonal workbench; angle and distance markings are provided on the surface of the workbench 1.

[0044] In this embodiment, the workbench 1 is made of carbon steel.

[0045] In this embodiment, the block reinforcement frame 11 is made of carbon steel.

[0046] In this embodiment, the block platform 201 is made of 304 or 316L series stainless steel.

[0047] In this embodiment, the limiting slider 4 is made of 304 or 316L series stainless steel.

[0048] In this embodiment, the slider nut 501 is made of 304 or 316L series stainless steel; the slider nut 501 is provided with a threaded hole to facilitate connection with the limiting slider 4 through the second adjusting bolt 502 .

[0049] In this embodiment, the first guide block 801 and the second guide block 802 are made of epoxy resin material.

[0050] In this embodiment, the block reinforcement frame 11 includes a central cylinder, an outer frame and a plurality of ribs; the central cylinder is arranged at the middle position inside the outer frame; the central cylinder and the outer frame are connected by a plurality of ribs; and the plurality of ribs are distributed in an umbrella shape around the central cylinder.

[0051] In this embodiment, a socket is provided on the stopper 7; the first adjusting bolt 6 is inserted into the socket, and the first adjusting bolt 6 and the socket are matched with each other so that the first adjusting bolt 6 can push the stopper 7 to move when rotating, but will not drive the stopper 7 to rotate.

[0052] In this embodiment, the screw of the worm gear screw jack is connected to the central cylinder via a connecting flange.

[0053] In this embodiment, the rib plate and the central cylinder, as well as the rib plate and the outer frame are fixedly connected together by welding.

[0054] The process of winding the double-pancake runway type coil: 1) Use a clamp to fix the end of the outermost coil of the first pancake. At the same time, according to the design size of the outermost coil of the wound coil, determine the position of all the outer limit sliders 4 and fix them through the adjustment component 5, and fit the outermost limit slider to wind the outermost coil of the first pancake. During this process, push the inner limit slider 4 in the direction of coil winding in sequence, so that the inner limit slider 4 is pressed against the outermost coil of the first pancake until the winding of the outermost coil of the first pancake is completed. When winding the outermost coil of the first pancake, make the outermost coil of the first pancake fit the outermost coil of the first pancake for winding. During this process, first remove the next inner limit slider 4, and then move the previous inner limit slider 4 to press against the outermost coil of the first pancake to complete the winding of the outermost coil of the first pancake. Similarly, complete the winding of the other layers of coils of the first pancake, and when winding the innermost coil of the first pancake, install the first guide block 801 and the second guide block. At this time, the position of the inner limit slider 4 1) The innermost coil of the second cake is fixed, and the limiting slider that fits the inner side can be used to wind the innermost coil of the second cake upwards; 2) The coil at the cross-cake is moved along the guide groove 9 between the first guide block 801 and the second guide block 802 into the innermost position of the second cake coil; 3) The innermost coil of the second cake is wound along the path of the innermost coil of the first cake, and the position of the inner limiting slider 4 is fixed, which can constrain the inner side of the innermost coil of the second cake. At the same time, during the winding process of the innermost coil of the second cake, the first adjusting bolt 6 on the outer limiting slider 4 is rotated in turn according to the winding direction of the coil to drive the stopper 7 to move inward, so that the stopper 7 is pressed against the innermost coil of the second cake. When winding the second innermost coil of the second cake, the second innermost coil of the second cake is pressed against the innermost coil of the second cake for winding. In this process, the innermost coil of the second cake is wound by first removing the next stopper 7, and then moving the previous stopper 7 to press against the innermost coil of the second cake, and the winding of the innermost coil of the second cake is completed, and so on, the winding of the other layers of coils of the second cake is completed, thereby completing the winding of the double-cake runway coil.

[0055] The present invention can be used to wind a variety of racetrack-shaped coils of different external dimensions, without the need to process winding molds of different sizes, thereby reducing the winding cost. At the same time, the device can realize coil cross-cake winding, which has reference value for multi-cake and multi-layer coil winding.

[0056] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A double-pancake racetrack coil winding device, characterized in that: include: A workbench (1); a winding platform (2) is provided on the workbench (1); a plurality of T-slots (3) are provided on the top of the winding platform (2); the plurality of T-slots (3) are arranged in a runway-shaped distribution; two limit sliders (4) are slidably connected in the T-slots (3); an adjustment component (5) for adjusting the position of the limit slider (4) is provided in the T-slots (3); a first adjustment bolt (6) is threadedly connected to the upper part of the limit slider (4) located on the outside; a stopper (7) is movably connected to one end of the first adjustment bolt (6) close to the inner limit slider (4).

2. A double-pancake racetrack coil winding device according to claim 1, characterized in that: The adjustment assembly (5) comprises a slider nut (501) and a second adjustment bolt (502); the slider nut (501) is slidably connected in the T-slot (3); and the limit slider (4) is connected to the slider nut (501) via the second adjustment bolt (502).

3. A double-pancake racetrack coil winding device according to claim 1, characterized in that: It also includes a coil guide assembly (8); the coil guide assembly (8) includes a first guide block (801) and a second guide block (802); the first guide block (801) is arranged above the second guide block (802); a guide groove (9) is formed between the first guide block (801) and the second guide block (802); the first guide block (801) is connected to the inner limiting slider (4) by means of bolts.

4. A double-pancake racetrack coil winding device according to claim 1, characterized in that: A clamp (10) is provided on the top of the winding platform (2).

5. A double-pancake racetrack coil winding device according to claim 1, characterized in that: The winding platform (2) is composed of a plurality of segmented platforms (201) spliced ​​together; a segmented reinforcement frame (11) is provided at the bottom of each segmented platform (201); a plurality of lifting mechanisms (12) are provided on the workbench (1); the number of the lifting mechanisms (12) is the same as that of the segmented platforms (201), and they are arranged in a one-to-one correspondence; the output end of the lifting mechanism (12) is connected to the bottom of the corresponding segmented reinforcement frame (11).

6. A double-pancake racetrack coil winding device according to claim 5, characterized in that: The number of the block platforms (201) is six.

7. A double-pancake racetrack coil winding device according to claim 5, characterized in that: The lifting mechanism (12) is a worm gear screw lift.

8. The double-pancake racetrack coil winding device according to claim 1, characterized in that: The workbench (1) is a hexagonal workbench.

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