Transformer winding structure

Abstract

The transformer winding structure comprises a vertical mounting plate and an L-shaped mounting plate, a rotating shaft is rotatably mounted on the front face of the vertical mounting plate, an inner rotating shaft is slidably mounted on the inner wall of the rotating shaft, a first guide wheel is fixedly mounted on the side face of the L-shaped mounting plate, and a turnover frame is rotatably mounted on the side face of the L-shaped mounting plate; a second guide wheel is rotatably mounted at the end of the turnover frame, a second air cylinder is fixedly mounted on the side face of the L-shaped mounting plate, and the telescopic end of the second air cylinder pushes the turnover frame to turn over, so that the second guide wheel gets close to the first guide wheel. According to the transformer winding structure, the first guide wheel and the second guide wheel are arranged, the holding acting force of the first guide wheel and the second guide wheel is utilized, the resistance for drawing the coil is increased, the coil is wound on the winding frame in a tightened state, the winding mode is not limited by the shape of the winding frame, and the problem that an existing pressing wheel is not suitable for winding of a non-rotating body winding frame is solved; and the winding shapes are diversified, so that the winding functions of different windings are realized, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer winding, in particular to a transformer winding structure. Background Art

[0002] The transformer winding is generally made of insulated flat copper wire or insulated round copper wire wound on a winding die. In order to facilitate manufacturing, uniform force under the action of electromagnetic force and good mechanical properties, the winding coil is made into a circle shape. The existing winding machine, such as patent announcement number CN215451169U, discloses a winding machine for transformer production, including a base, a vertical plate and a fixed plate are arranged above the base, the fixed plate is located on one side of the vertical plate, one side of the vertical plate is fixedly connected to a reduction motor by bolts, the output end of the reduction motor is rotatably connected to a rotating shaft, and the rotating shaft penetrates A vertical plate is passed through, and a coupling is provided on one side of the rotating shaft, and a rotating rod is provided on one side of the coupling. A fixed block is sleeved on the rotating rod, and an extension screw is screwed on the fixed block. A connecting plate and a support block are provided on one side of the fixed plate, and the support block is located below the connecting plate. An electric push rod is provided below the connecting plate. The sliding of the fixed block on the rotating rod can be realized through the circular hole, so that the two fixed blocks can slide to the two sides of the transformer respectively to fix the transformer to prevent the transformer from shifting, and then the fixed block is locked by the extension screw. It is convenient and quick to use.

[0003] The above-mentioned rotary winding structure still has some shortcomings in practical application. The cross-sections of the existing transformer winding frames are not all circular, and many are elliptical or rectangular. In order to prevent the cable from loosening during the winding process, a clamping wheel is required. However, the clamping wheel is not suitable for pressing against the surface of the rotating winding frame with an elliptical or rectangular cross-section, which results in the existing transformer winding device being very limited in use and the winding shape being single, which needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a transformer winding structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer winding structure, comprising a vertical mounting plate and an L-shaped mounting plate, the L-shaped mounting plate is fixedly mounted on the front side of the vertical mounting plate, a rotating shaft is rotatably mounted on the front side of the vertical mounting plate, an inner rotating shaft is slidably mounted on the inner wall of the rotating shaft, the inner rotating shaft rotates synchronously with the rotating shaft, and a driving mechanism for driving the inner rotating shaft to reciprocate and extend is arranged on the back side of the vertical mounting plate;

[0006] A first cylinder is fixedly mounted on the front of the vertical mounting plate, and a wire pressing wheel is rotatably mounted on the telescopic end of the first cylinder;

[0007] A wire feeding positioning block is fixedly installed on the upper surface of the L-shaped mounting plate, a first guide wheel is fixedly installed on the side of the L-shaped mounting plate, a turning frame is rotatably installed on the side of the L-shaped mounting plate, a second guide wheel is rotatably installed on the end of the turning frame, and a second cylinder is fixedly installed on the side of the L-shaped mounting plate. The telescopic end of the second cylinder overturns the turning frame to flip it, so that the second guide wheel approaches the first guide wheel.

[0008] Preferably, the end of the rotating shaft extends to the rear side of the vertical mounting plate and is fixedly mounted with a pulley, a brake positioning disc is fixedly mounted on the surface of the rotating shaft, a third cylinder is fixedly mounted on the front side of the vertical mounting plate, and the telescopic end of the third cylinder can be inserted into the V-groove on the surface of the brake positioning disc.

[0009] Preferably, the driving mechanism includes two electric telescopic rods and a connecting plate, the two electric telescopic rods are fixedly mounted on the back side of the vertical mounting plate, the two ends of the connecting plate are fixedly connected to the telescopic ends of the two electric telescopic rods, the end of the inner rotating shaft is rotatably connected to the connecting plate, a linear slide groove is provided inside the rotating shaft, and a connecting pin that slides along the inner wall of the linear slide groove is fixedly mounted on the surface of the inner rotating shaft.

[0010] Preferably, a transmission rod is provided between the turning frame and the telescopic end of the second cylinder, both ends of the transmission rod are rotatably connected to the turning frame and the telescopic end of the second cylinder respectively, and an annular groove is provided on the surface of the second guide wheel.

[0011] Preferably, two side positioning blocks are slidably mounted on the upper surface of the wire feeding positioning block, and adjusting bolts are threadedly mounted on the front and rear sides of the wire feeding positioning block, and the threaded ends of the adjusting bolts are rotatably connected to the side positioning blocks.

[0012] Preferably, a cutting base block is fixedly mounted on the upper surface of the L-shaped mounting plate, a gate blade is slidably mounted on the upper side of the cutting base block, and a fourth cylinder is fixedly mounted on the front side of the vertical mounting plate, and the fourth cylinder drives the gate blade to move up and down.

[0013] Beneficial Effects

[0014] The utility model provides a transformer winding structure, which has the following beneficial effects:

[0015] 1. The transformer winding structure, by providing a first guide wheel and a second guide wheel, utilizes the clamping force of the two to increase the resistance of pulling the coil, so that the coil is wound on the winding frame in a taut state. The winding method is not limited by the shape of the winding frame, and solves the problem that the existing clamping wheel is not suitable for winding on a non-rotating winding frame. The winding shape is diversified and the winding function of different windings is practical, which is more practical.

[0016] 2. The transformer winding structure is provided with a cutting base block and a gate blade. After the winding is completed, the coil is cut off by the cutting function of the gate blade. At the same time, the tape is pressed down by the wire pressing wheel to make the tape close to the surface of the winding, and the wire end and the coil are glued and fixed together to prevent the coil from loosening. The winding frame is separated from the inner rotating shaft by retracting the inner rotating shaft, thereby achieving the effect of automatic material stripping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the front side perspective;

[0018] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from a rear side perspective;

[0020] Figure 4 It is a front view structural schematic diagram of the utility model.

[0021] In the figure: 1 vertical mounting plate, 2 L-type mounting plate, 3 rotating shaft, 4 inner rotating shaft, 5 first cylinder, 6 wire pressing wheel, 7 wire feeding positioning block, 8 first guide wheel, 9 turning frame, 10 second guide wheel, 11 second cylinder, 12 pulley, 13 brake positioning disc, 14 third cylinder, 15 electric telescopic rod, 16 connecting plate, 17 linear slide groove, 18 transmission rod, 19 annular groove, 20 side positioning block, 21 adjusting bolt, 22 cutting base block, 23 gate blade, 24 fourth cylinder, 25 winding frame. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a transformer winding structure, including a vertical mounting plate 1 and an L-shaped mounting plate 2, the L-shaped mounting plate 2 is fixedly mounted on the front side of the vertical mounting plate 1, a rotating shaft 3 is rotatably mounted on the front side of the vertical mounting plate 1, an inner rotating shaft 4 is slidably mounted on the inner wall of the rotating shaft 3, the inner rotating shaft 4 rotates synchronously with the rotating shaft 3, and a driving mechanism for driving the inner rotating shaft 4 to reciprocate and extend is arranged on the back side of the vertical mounting plate 1.

[0024] See Figure 3The driving mechanism includes two electric telescopic rods 15 and a connecting plate 16. The two electric telescopic rods 15 are fixedly mounted on the back of the vertical mounting plate 1. The two ends of the connecting plate 16 are fixedly connected to the telescopic ends of the two electric telescopic rods 15. The end of the inner rotating shaft 4 is rotatably connected to the connecting plate 16. A linear slide groove 17 is opened inside the rotating shaft 3. A connecting pin sliding along the inner wall of the linear slide groove 17 is fixedly mounted on the surface of the inner rotating shaft 4.

[0025] The end of the rotating shaft 3 extends to the rear side of the vertical mounting plate 1 and is fixedly mounted with a pulley 12. The motor drives the pulley 12 to rotate through a belt transmission. Under the joint action of the electric telescopic rod 15, the inner rotating shaft 4 rotates and realizes reciprocating telescopic movement. Figure 2 .

[0026] A brake positioning disc 13 is fixedly mounted on the surface of the rotating shaft 3, and a third cylinder 14 is fixedly mounted on the front of the vertical mounting plate 1. The telescopic end of the third cylinder 14 can be inserted into the V-groove on the surface of the brake positioning disc 13. This method is used to control the rotation stop angle of the rotating shaft 3 and the inner rotating shaft 4 to facilitate the gluing operation after the winding is completed.

[0027] A first cylinder 5 is fixedly installed on the front side of the vertical mounting plate 1, and a crimping wheel 6 is rotatably installed on the telescopic end of the first cylinder 5. The tape is placed on the lower side of the crimping wheel 6, and the crimping wheel 6 presses the tape down, so that the tape can be pasted on the surface of the winding after the winding is completed to prevent the coil from loosening.

[0028] A wire feeding positioning block 7 is fixedly installed on the upper surface of the L-shaped mounting plate 2, and two side positioning blocks 20 are slidably installed on the upper surface of the wire feeding positioning block 7. Adjustment bolts 21 are threadedly installed on the front and rear sides of the wire feeding positioning block 7. The threaded ends of the adjustment bolts 21 are rotatably connected to the side positioning blocks 20 to achieve adjustable spacing between the two side positioning blocks 20, and the cables are passed between the two side positioning blocks 20.

[0029] A first guide wheel 8 is fixedly installed on the side of the L-shaped mounting plate 2, a turning frame 9 is rotatably installed on the side of the L-shaped mounting plate 2, a second guide wheel 10 is rotatably installed on the end of the turning frame 9, an annular groove 19 is provided on the surface of the second guide wheel 10, and a second cylinder 11 is fixedly installed on the side of the L-shaped mounting plate 2. Specifically, a transmission rod 18 is provided between the turning frame 9 and the telescopic end of the second cylinder 11, and the two ends of the transmission rod 18 are rotatably connected to the turning frame 9 and the telescopic end of the second cylinder 11, respectively. The telescopic end of the second cylinder 11 overturns the turning frame 9 to turn it over, so that the second guide wheel 10 is close to the first guide wheel 8. Figure 2 , so that the first guide wheel 8 and the second guide wheel 10 have the function of holding the cable tightly.

[0030] A cutting block 22 is fixedly mounted on the upper surface of the L-shaped mounting plate 2, a gate blade 23 is slidably mounted on the upper side of the cutting block 22, and a fourth cylinder 24 is fixedly mounted on the front side of the vertical mounting plate 1, and the fourth cylinder 24 drives the gate blade 23 to move up and down. Figure 2 .

[0031] During the processing, the cable is inserted from the upper side of the wire feeding positioning block 7, through the lower side of the gate blade 23, and between the first guide wheel 8 and the second guide wheel 10, as shown in FIG. Figure 4 As shown in the dotted line, the winding frame 25 is tightly matched with the end of the inner shaft 4. Under the action of the electric telescopic rod 15, the inner shaft 4 rotates and realizes reciprocating telescopic movement (see Figure 2 ), the cable is spirally wound on the surface of the winding frame 25, and by setting the cutting base block 22 and the gate blade 23, after the winding is completed, the coil is cut off by the cutting function of the gate blade 23, and the tape is pressed down by the wire pressing wheel 6 to make the tape close to the surface of the winding, so that the wire end and the coil are glued and fixed together to prevent the coil of the winding from loosening. Finally, the winding frame 25 is separated from it by retracting the inner rotating shaft 4, thereby achieving the effect of automatic material stripping.

[0032] The transformer winding structure, by providing a first guide wheel 8 and a second guide wheel 10, utilizes the clamping force of the two to increase the resistance of pulling the coil, so that the coil is wound on the winding frame 25 in a taut state. The winding method is not limited by the shape of the winding frame 25, and solves the problem that the existing clamping wheel is not suitable for winding on a non-rotating winding frame 25. The winding shape is diversified and the winding function of different windings is practical, which is more practical.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transformer winding structure, comprising a vertical mounting plate (1) and an L-shaped mounting plate (2), wherein the L-shaped mounting plate (2) is fixedly mounted on the front side of the vertical mounting plate (1), characterized in that: A rotating shaft (3) is rotatably mounted on the front surface of the vertical mounting plate (1), an inner rotating shaft (4) is slidably mounted on the inner wall of the rotating shaft (3), the inner rotating shaft (4) rotates synchronously with the rotating shaft (3), and a driving mechanism for driving the inner rotating shaft (4) to reciprocate and extend is arranged on the back surface of the vertical mounting plate (1); A first cylinder (5) is fixedly mounted on the front side of the vertical mounting plate (1), and a wire pressing wheel (6) is rotatably mounted on the telescopic end of the first cylinder (5); A wire feeding positioning block (7) is fixedly mounted on the upper surface of the L-shaped mounting plate (2), a first guide wheel (8) is fixedly mounted on the side of the L-shaped mounting plate (2), a turning frame (9) is rotatably mounted on the side of the L-shaped mounting plate (2), a second guide wheel (10) is rotatably mounted on the end of the turning frame (9), a second cylinder (11) is fixedly mounted on the side of the L-shaped mounting plate (2), and the second cylinder (11) telescopically pushes the turning frame (9) to turn over, so that the second guide wheel (10) approaches the first guide wheel (8).

2. A transformer winding structure according to claim 1, characterized in that: The end of the rotating shaft (3) extends to the rear side of the vertical mounting plate (1) and is fixedly mounted with a pulley (12); a brake positioning disc (13) is fixedly mounted on the surface of the rotating shaft (3); a third cylinder (14) is fixedly mounted on the front side of the vertical mounting plate (1); and a telescopic end of the third cylinder (14) can be inserted into a V-shaped groove on the surface of the brake positioning disc (13).

3. A transformer winding structure according to claim 2, characterized in that: The driving mechanism comprises two electric telescopic rods (15) and a connecting plate (16); the two electric telescopic rods (15) are fixedly mounted on the back of the vertical mounting plate (1); the two ends of the connecting plate (16) are fixedly connected to the telescopic ends of the two electric telescopic rods (15); the end of the inner rotating shaft (4) is rotatably connected to the connecting plate (16); a linear slide groove (17) is provided inside the rotating shaft (3); and a connecting pin sliding along the inner wall of the linear slide groove (17) is fixedly mounted on the surface of the inner rotating shaft (4).

4. A transformer winding structure according to claim 3, characterized in that: A transmission rod (18) is arranged between the turning frame (9) and the telescopic end of the second cylinder (11), and the two ends of the transmission rod (18) are rotatably connected to the turning frame (9) and the telescopic end of the second cylinder (11), respectively. An annular groove (19) is provided on the surface of the second guide wheel (10).

5. A transformer winding structure according to claim 4, characterized in that: Two side positioning blocks (20) are slidably mounted on the upper surface of the wire feeding positioning block (7), and adjusting bolts (21) are threadedly mounted on the front and rear sides of the wire feeding positioning block (7), and the threaded ends of the adjusting bolts (21) are rotatably connected to the side positioning blocks (20).

6. A transformer winding structure according to any one of claims 1 to 5, characterized in that: A cutting base block (22) is fixedly mounted on the upper surface of the L-shaped mounting plate (2), a gate blade (23) is slidably mounted on the upper side of the cutting base block (22), and a fourth cylinder (24) is fixedly mounted on the front side of the vertical mounting plate (1), and the fourth cylinder (24) drives the gate blade (23) to move up and down.

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