Transformer wire pulling device

Abstract

The utility model discloses a transformer wire rod stay wire device, including fixed main part, the right side fixed opening of fixed main part middle part is towards the down shroud, and the shroud top forms and goes out the wire hole, and the fixed main part top is from left to right in proper order and is fixed with the wire outlet clamp wire adjusting mechanism, the winding wheel group and the wire inlet clamp wire adjusting mechanism. The utility model discloses the accurate cooperation of wire clamp wire adjusting mechanism and winding wheel group can effectively control wire rod in the tension of stay wire process, avoid the wire rod relaxation or overdraw because of tension instability leads to, make wire rod arrangement more compact, improve the size accuracy and quality stability of transformer coil, and the setting of shroud effectively prevented the wire rod in the high -speed rotation introduction process and take place the large -scale fly -off, avoided because wire rod and threw to the personal injury of operating personnel and the damage to the surrounding equipment, improved the safety of production site, reduced the security risk and the hidden danger of accident.

Description

Technical Field

[0001] This utility model belongs to the field of machinery, and specifically relates to a transformer wire pulling device. Background Technology

[0002] In the production process of transformer coil drawing, the tension of the wire is crucial to the quality of the product. Existing motor control methods are not only costly to manufacture and require a large area, but also inconvenient for replacing wires. Using pneumatic brake pad control methods, which have a similar cost, has problems such as large resistance fluctuation range and wire deformation and damage. Utility Model Content

[0003] The purpose of this invention is to provide a transformer wire pulling device.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A transformer wire pulling device includes a fixed body, a downward-facing protective cover fixed to the right side of the middle part of the fixed body, and a wire outlet hole formed on the top of the protective cover; from left to right, a wire outlet clamping adjustment mechanism, a winding wheel group and a wire inlet clamping adjustment mechanism are sequentially fixed on the top of the fixed body.

[0006] The outgoing wire clamping adjustment mechanism and the incoming wire clamping adjustment mechanism have the same structure, both including a fixed plate fixedly connected to the fixed body, and a pressure adjusting plate detachably connected to the fixed plate by bolts; elastic elements are fixed on the inner surfaces of the fixed plate and the pressure adjusting plate.

[0007] In a further improvement, the elastic element on the outgoing wire clamping adjustment mechanism is EVA foam, and the elastic element on the incoming wire clamping adjustment mechanism is wool felt.

[0008] In a further improvement, the fixing body includes a base plate with a plurality of first mounting holes formed on the base plate; a vertical square steel pipe is fixed on the base plate, and the top of the vertical square steel pipe is fixed to a first horizontal square steel pipe; a mounting plate is fixed on the first horizontal square steel pipe, and the wire clamping adjustment mechanism, the winding wheel group and the wire clamping adjustment mechanism are all mounted on the mounting plate.

[0009] As a further improvement, a reinforcing plate is fixed between the vertical square steel pipe and the base plate.

[0010] In a further improvement, the vertical square steel pipe has multiple sets of second mounting holes formed from top to bottom in the middle. The vertical square steel pipe is connected to a second horizontal square steel pipe through the second mounting holes, and the second horizontal square steel pipe is fixedly connected to the protective cover.

[0011] As a further improvement, the protective cover is funnel-shaped.

[0012] In a further improvement, the winding wheel assembly includes no fewer than three spools, which are rotatably mounted on a pulley fixing rod via bearings.

[0013] Compared with the prior art, this utility model has the following advantages:

[0014] 1. Improve wire stability: Through the precise coordination of the wire clamping adjustment mechanism and the winding wheel assembly, the tension of the wire during the pulling process can be effectively controlled, avoiding wire slack or excessive tension caused by unstable tension, making the wire arrangement more compact, improving the dimensional accuracy and quality stability of the transformer coil, and thus improving the overall performance of the transformer.

[0015] 2. Enhanced wire cleanliness: The wool felt in the wire clamping mechanism can wipe away dust, oil and other foreign objects from the surface of the wire as it passes through, reducing the possibility of foreign objects entering the transformer coil, reducing faults such as short circuits and poor contact caused by impurities, and improving the reliability and service life of the transformer.

[0016] 3. Excellent adaptability: The multi-level height adjustment function of the height adjustment mechanism and the expandable guide rail slider design enable the device to be adapted to various specifications and sizes of electromagnetic coils, eliminating the need for frequent equipment replacement or extensive adjustment work. This improves the versatility and flexibility of the device and reduces the equipment procurement costs and production and operation costs for enterprises.

[0017] 4. Safety Assurance: The protective cover mechanism effectively prevents the wire from flying off at high speed during the high-speed rotation and lead-out process, avoiding personal injury to operators and damage to surrounding equipment caused by the wire flying off, improving the safety of the production site, and reducing safety risks and accident hazards.

[0018] 5. Improved winding quality: Throughout the winding process, the device ensures that the wire maintains appropriate tension and stable motion, allowing the wire to be arranged more evenly and neatly when winding the coil, with tight fit between turns. This reduces the gaps between coil turns and local protrusions, improves the mechanical strength and short-circuit withstand capability of the coil, and thus enhances the overall quality of the transformer coil. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a front structural diagram of the present invention.

[0021] Figure 3 This is a top view of the structure of this utility model. Detailed Implementation

[0022] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] like Figure 1-3 As shown, the device consists of a fixed main body, a height adjustment mechanism, a protective cover, a wire clamping mechanism, and a winding wheel assembly.

[0024] The fixed main body, serving as the foundation support structure of the entire device, is made of high-strength steel to ensure the overall stability and robustness of the device. All other components are installed and fixed on it. Anchor bolts can be fitted to its bottom to facilitate fixing the device to the workbench and prevent displacement due to the pulling force of the wire during the wire pulling process. Specifically, it includes a base plate 6 with several first mounting holes 61; a vertical square steel pipe 62 is fixed to the base plate 6, and the top of the vertical square steel pipe 62 is fixed to a first horizontal square steel pipe 63; a mounting plate 64 is fixed to the first horizontal square steel pipe 63, and the wire clamping mechanism, winding wheel group 4, and wire inlet clamping adjustment mechanism 5 are all mounted on the mounting plate 64. A reinforcing plate 65 is also fixed between the vertical square steel pipe 62 and the base plate 6.

[0025] The wire clamping mechanism includes an outlet wire clamping adjustment mechanism 3 and an inlet wire clamping adjustment mechanism 5. The outlet wire clamping adjustment mechanism 3 and the inlet wire clamping adjustment mechanism 5 have the same structure, both including a fixing plate 31 fixedly connected to the fixing body. The fixing plate 31 is detachably connected to a pressure adjusting plate 33 via bolts 32. Elastic elements are fixed to the inner surfaces of the fixing plate 31 and the pressure adjusting plate 33. The elastic element on the outlet wire clamping adjustment mechanism 3 is EVA foam, and the elastic element on the inlet wire clamping adjustment mechanism 5 is wool felt.

[0026] The height adjustment mechanism consists of multiple sets of second mounting holes 621 formed from top to bottom in the middle of a vertical square steel tube 62. For cost considerations, it is fixed with bolts and holes, allowing for three levels of height adjustment to accommodate large, medium, and small electromagnetic wire reels. It can be expanded into a guide rail slider for adaptive height adjustment.

[0027] The winding pulley assembly 4 includes at least three pulleys 41, which are rotatably mounted on the pulley fixing rod 43 via bearings 42. The pulleys are made of high-strength aluminum alloy with a smooth surface and wear-resistant treatment, reducing frictional loss between the wire and the pulleys. These fixed pulleys are arranged in combinations according to different threading methods, allowing operators to flexibly adjust the winding path of the wire according to actual production process requirements. This alters the resistance experienced by the wire during the pulling process, ensuring constant resistance throughout the pulling process and achieving precise control of the wire tension.

[0028] The protective cover is funnel-shaped, with the wire reel placed vertically. The wire is led out by rotating around the perimeter. During high-speed use, the wire may swing significantly, and the cover acts as a limit and guide. The cover is made of transparent polycarbonate material and is installed at the wire lead-out end of the device. After the wire reel is placed vertically, the wire is led out at high speed by rotating around the perimeter of the cover. Its funnel shape effectively limits and guides the wire's movement trajectory, preventing significant swinging during high-speed movement, reducing safety risks, and facilitating operator observation of the wire's operating status.

[0029] EVA foam and wool felt are placed at the inlet and outlet ends of the wire, respectively. The spacing and pressure between them are adjusted using bolt clamps to generate appropriate resistance, allowing the wire to advance in a controlled manner and ensuring stability during the wire pulling process. Furthermore, as the wire passes through the clamping mechanism, the wool felt wipes away dust, oil, and other foreign matter from the wire surface, ensuring wire cleanliness and reducing the impact of foreign matter on the quality of the transformer coil.

[0030] The usage method is as follows:

[0031] During transformer wire pulling operations, firstly, based on the size of the electromagnetic wire reel, the device is adjusted to a suitable height using the bolts and holes of the height adjustment mechanism to ensure the reel is stably positioned on the fixed body. Then, the wire is passed through the protective cover, the wire clamping mechanism, and the fixed pulley mechanism. After power is applied, the motor drives the relevant transmission components, causing the wire to be pulled out at a uniform speed along a predetermined path. At this time, the EVA foam and wool felt in the wire clamping mechanism generate resistance against the wire, which, combined with the guiding effect of multiple pulleys in the fixed pulley mechanism, stably controls the tension on the wire, preventing slack or excessive tension due to unstable tension, thus ensuring the quality of transformer coil winding.

[0032] The protective cover restricts the movement of the wire within a funnel-shaped area, preventing the wire from swinging wildly during high-speed rotation, ensuring operational safety and facilitating precise subsequent processes. The EVA foam and wool felt of the wire clamping mechanism, under the pressure of the bolt clamping plate, provide moderate resistance as the wire travels at a uniform speed, while the wool felt wipes away impurities from the wire surface. The fixed pulley mechanism changes the direction of the wire according to the preset threading method, and uses the pulley system principle to distribute the tension, ensuring that the overall wire pulling resistance is constant. Multiple components work together to achieve a stable wire pulling effect.

[0033] The embodiments of the present utility model have been described above. However, the present utility model is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present utility model without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of the present utility model.

Claims

1. A transformer wire pulling device, comprising a fixing body, characterized in that, A protective cover (1) with an opening facing downward is fixed to the right side of the middle part of the fixed body, and a wire outlet hole (2) is formed on the top of the protective cover (1); a wire outlet clamping adjustment mechanism (3), a winding wheel group (4) and an inlet clamping adjustment mechanism (5) are fixed to the top of the fixed body from left to right. The outgoing wire clamping adjustment mechanism (3) and the incoming wire clamping adjustment mechanism (5) have the same structure, both including a fixing plate (31) fixedly connected to the fixing body. The fixing plate (31) is detachably connected to the pressure regulating plate (33) by bolts (32). Elastic elements are fixed on the inner surfaces of the fixing plate (31) and the pressure regulating plate (33).

2. The transformer wire pulling device as described in claim 1, characterized in that, The elastic element on the outgoing wire clamping adjustment mechanism (3) is EVA foam, and the elastic element on the incoming wire clamping adjustment mechanism (5) is wool felt.

3. The transformer wire pulling device as described in claim 1, characterized in that, The fixing body includes a base plate (6), on which a plurality of first mounting holes (61) are formed; a vertical square steel pipe (62) is fixed on the base plate (6), and the top of the vertical square steel pipe (62) is fixed to a first horizontal square steel pipe (63); a mounting plate (64) is fixed on the first horizontal square steel pipe (63), and the wire clamping adjustment mechanism (3), the winding wheel group (4) and the wire clamping adjustment mechanism (5) are all mounted on the mounting plate (64).

4. The transformer wire pulling device as described in claim 3, characterized in that, A reinforcing plate (65) is also fixed between the vertical square steel pipe (62) and the base plate (6).

5. The transformer wire pulling device as described in claim 3, characterized in that, The vertical square steel pipe (62) has multiple sets of second mounting holes (621) formed from top to bottom in the middle. The vertical square steel pipe (62) is connected to a second horizontal square steel pipe (7) through the second mounting holes (621). The second horizontal square steel pipe (7) is fixedly connected to the protective cover (1).

6. The transformer wire pulling device as described in claim 1, characterized in that, The protective cover (1) is funnel-shaped.

7. The transformer wire pulling device as described in claim 1, characterized in that, The winding wheel assembly (4) includes no less than three spools (41), which are rotatably mounted on the pulley fixing rod (43) via bearings (42).

Images