Low-voltage lead fixing device during winding of low-voltage coil of transformer

Abstract

The utility model provides a low-voltage lead fixing device for winding a low-voltage coil of a transformer, which belongs to the technical field of transformer manufacture and comprises a connecting plate, a butt joint hole and two moving grooves are arranged at one end of the connecting plate, and the two moving grooves are respectively arranged on the circumferential inner wall of the butt joint hole. The two placement grooves are formed in the inner walls of one sides of the two moving grooves correspondingly, when one end of the low-voltage coil needs to be fixed, the end of the low-voltage coil is placed in the butt joint hole firstly, then the stress block, the connecting rod and the clamping ring are pushed outwards through elastic expansion of the spring, and then the low-voltage coil is fixed. At the moment, the two clamping rings move towards the close ends at the same time to clamp the low-voltage lead, the mobility between the two clamping rings can be adjusted in real time according to the thickness of the coil, and then the clamping tightness of the two clamping rings is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of transformer manufacturing, and particularly relates to a fixing device for low-voltage leads during the winding of a transformer low-voltage coil. Background Technique

[0002] The winding of a transformer low-voltage coil is a precise and highly technological process, involving multiple steps and precautions to ensure the efficient and safe operation of the transformer. The low-voltage coil usually uses copper foil sheets because copper has good electrical conductivity and thermal conductivity, which can effectively reduce the heat generated during the operation of the coil, thereby improving efficiency and extending the life of the transformer.

[0003] When winding the low-voltage coil, one end of the low-voltage wire needs to be fixed as a lead first, and then the winding process is carried out. However, the existing methods for fixing the low-voltage lead are not convenient and fast enough, which will affect the winding efficiency of the low-voltage lead and the subsequent processing efficiency. Moreover, the thickness of the low-voltage lead varies, and the fixing method cannot be adjusted according to the thickness of the lead, thus affecting the fixing effect of the lead. Content of the Utility Model

[0004] The purpose of the utility model is to provide a fixing device for low-voltage leads during the winding of a transformer low-voltage coil, aiming to solve the problems in the existing technology that the method for fixing the low-voltage lead is not convenient and fast enough, which will affect the winding efficiency of the low-voltage lead and the subsequent processing efficiency, and the thickness of the low-voltage lead varies, and the fixing method cannot be adjusted according to the thickness of the lead, thus affecting the fixing effect of the lead.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fixing device for low-voltage leads during the winding of a transformer low-voltage coil, comprising:

[0007] A connecting plate, one end of which is provided with a docking hole;

[0008] Two moving grooves, which are respectively arranged on the circumferential inner wall of the docking hole;

[0009] Two placing grooves, which are respectively arranged on the inner wall of one side of the two moving grooves;

[0010] Two springs, which are respectively fixedly connected to the inner wall of one side of the two placing grooves;

[0011] Two connecting rods, which are respectively slidably connected in the two moving grooves;

[0012] Two stress blocks, which are respectively fixedly connected to the far ends of the two connecting rods;

[0013] Two clamping rings, the two clamping rings are respectively fixedly connected to the adjacent ends of the two connecting rods; and

[0014] Multiple sets of rolling mechanisms, the multiple sets of rolling mechanisms are arranged inside the two clamping rings.

[0015] As a preferred solution of the present utility model, each set of the rolling mechanisms is composed of a connecting frame and a roller. The connecting frame is fixedly connected to the circumferential inner wall of one of the clamping rings, and the roller is rotatably connected to the connecting frame through a rotating shaft.

[0016] As a preferred solution of the present utility model, telescopic rods are fixedly connected to the inner walls of one sides of the two placing grooves, and the two springs are respectively sleeved on the circumferential surfaces of the two telescopic rods.

[0017] As a preferred solution of the present utility model, pulling grooves are opened on the inner walls of one sides of the two placing grooves, one ends of the two connecting rods are fixedly connected with pulling rods, and the two pulling rods are respectively slidably connected in the two pulling grooves.

[0018] As a preferred solution of the present utility model, one ends of the two pulling rods are fixedly connected with connecting disks, and one ends of the two connecting disks are fixedly connected with handles.

[0019] As a preferred solution of the present utility model, a plurality of connecting holes are opened at one end of the connecting plate, screws are arranged in the plurality of connecting holes, and two nuts are threadedly connected to the circumferential surfaces of the plurality of screws.

[0020] Compared with the prior art, the beneficial effects of the present utility model are:

[0021] 1. In this solution, when it is necessary to fix one end of the low-voltage coil, first place one end of the low-voltage coil in the docking hole, and then through the elastic expansion of the spring, push the force-receiving block, the connecting rod and the clamping ring outwards. At this time, the two clamping rings move towards the adjacent ends at the same time to clamp the low-voltage lead. The mobility between the two clamping rings can be adjusted in real time according to the thickness of the coil, thereby improving the clamping tightness of the two clamping rings.

[0022] 2. In this solution, the lead can be guided more smoothly through the multiple sets of rolling mechanisms and through the docking hole. By means of the handle, the connecting disk and the pulling rod, it is convenient to pull the clamping ring outwards and facilitate the extraction of the lead from the docking hole. Description of the Drawings

[0023] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0024] Figure 1 is the front view three-dimensional view of the present utility model;

[0025] Figure 2 is the top sectional three-dimensional view of the present utility model;

[0026] Figure 3 is the side view three-dimensional view of the present utility model.

[0027] In the figure: 1, connecting plate; 2, nut; 3, screw rod; 4, pulling slot; 5, handle; 6, connecting disc; 7, docking hole; 8, connecting rod; 9, clamping ring; 10, connecting frame; 11, roller; 12, placing slot; 13, spring; 14, telescopic rod; 15, stress block; 16, pulling rod; 17, moving slot. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1

[0030] Please refer to Figures 1-3 , the present utility model provides the following technical solutions:

[0031] A low-voltage lead fixing device during the winding of a transformer low-voltage coil, comprising:

[0032] A connecting plate 1, one end of the connecting plate 1 is provided with a docking hole 7;

[0033] Two moving slots 17 are respectively opened on the circumferential inner wall of the docking hole 7;

[0034] Two placing slots 12 are respectively opened on one side inner wall of the two moving slots 17;

[0035] Two springs 13 are respectively fixedly connected to one side inner wall of the two placing slots 12;

[0036] Two connecting rods 8 are respectively slidably connected in the two moving slots 17;

[0037] Two stress blocks 15 are respectively fixedly connected to the remote ends of the two connecting rods 8;

[0038] Two clamping rings 9 are respectively fixedly connected to the adjacent ends of the two connecting rods 8; and

[0039] A plurality of rolling mechanisms are arranged inside two clamping rings 9. Each group of rolling mechanisms consists of a connecting frame 10 and a roller 11. The connecting frame 10 is fixedly connected to the circumferential inner wall of one of the clamping rings 9, and the roller 11 is rotatably connected to the connecting frame 10 through a rotating shaft.

[0040] In a specific embodiment of the present utility model, when it is necessary to fix the lead of the low-voltage coil, one end of the low-voltage coil is first inserted into the docking hole 7. After the lead passes through the docking hole 7, through the elastic expansion of the two springs 13, the two force-receiving blocks 15, the connecting rod 8 and the clamping ring 9 are pushed towards the approaching ends. The low-voltage lead is squeezed and fixed by the clamping ring 9, which is convenient for the subsequent winding and manufacturing of the low-voltage coil. Through the above design, the fixing of the low-voltage coil lead is made simpler, and it can be adjusted in real time according to the thickness of the lead, improving the clamping stability of the low-voltage lead. When the lead is clamped by the clamping ring 9, the movement smoothness of the lead can be improved by a plurality of rollers 11.

[0041] For details, please refer to Figure 2 One side inner wall of the two placement grooves 12 is fixedly connected with a telescopic rod 14. The two springs 13 are respectively sleeved on the circumferential surfaces of the two telescopic rods 14. One side inner wall of the two placement grooves 12 is provided with a pulling groove 4. One end of each of the two connecting rods 8 is fixedly connected with a pulling rod 16, and the two pulling rods 16 are respectively slidably connected in the two pulling grooves 4.

[0042] In this embodiment: The telescopic rod 14 can prevent the spring 13 from bending and deforming, thereby improving the service stability and life of the spring 13. When the connecting rod 8 moves, it will drive the pulling rod 16 to slide in the pulling groove 4, improving the horizontal sliding stability of the connecting rod 8.

[0043] For details, please refer to Figure 2 One end of each of the two pulling rods 16 is fixedly connected with a connecting disc 6. One end of each of the two connecting discs 6 is fixedly connected with a handle 5. A plurality of connecting holes are provided at one end of the connecting plate 1. A plurality of screw rods 3 are arranged in the plurality of connecting holes, and two nuts 2 are threadedly connected to the circumferential surfaces of the plurality of screw rods 3.

[0044] In this embodiment: The handle 5 can facilitate pulling the pulling rod 16 and the clamping ring 9 in opposite directions, facilitating the separation of the two clamping rings 9, and thus facilitating the extraction of the lead from the docking hole 7. Through the screw rod 3, the nut 2 and the plurality of connecting holes, it is convenient to connect the present device to external equipment.

[0045] Working principle and usage process of the present utility model: When it is necessary to fix the lead of the low-voltage coil, first insert one end of the low-voltage coil into the docking hole 7. After the lead passes through the docking hole 7, through the elastic expansion of the two springs 13, the two force-receiving blocks 15, the connecting rod 8 and the clamping ring 9 are pushed towards the closer end, and the low-voltage lead is squeezed and fixed by the clamping ring 9, which is convenient for the subsequent winding and manufacturing of the low-voltage coil.

[0046] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A low-voltage lead fixing device for winding a transformer low-voltage coil, characterized in that: include: A connecting plate (1), wherein one end of the connecting plate (1) is provided with a docking hole (7); Two movable grooves (17), the two movable grooves (17) being respectively formed on the circumferential inner wall of the docking hole (7); Two placement grooves (12), the two placement grooves (12) are respectively opened on one side inner wall of the two moving grooves (17); Two springs (13), the two springs (13) being respectively fixedly connected to the inner walls of one side of the two placement grooves (12); Two connecting rods (8), the two connecting rods (8) are slidably connected in the two moving grooves (17) respectively; Two force-bearing blocks (15), the two force-bearing blocks (15) being respectively fixedly connected to ends of two connecting rods (8) that are far away from each other; Two clamping rings (9), the two clamping rings (9) being fixedly connected to adjacent ends of two connecting rods (8) respectively; as well as A plurality of rolling mechanisms are provided, wherein the plurality of rolling mechanisms are arranged in two clamping rings (9).

2. The low-voltage lead fixing device for winding a transformer low-voltage coil according to claim 1, characterized in that: Each group of the rolling mechanisms is composed of a connecting frame (10) and a roller (11); the connecting frame (10) is fixedly connected to the circumferential inner wall of one of the clamping rings (9); and the roller (11) is rotatably connected to the connecting frame (10) via a rotating shaft.

3. The low-voltage lead fixing device for winding a transformer low-voltage coil according to claim 2, characterized in that: A telescopic rod (14) is fixedly connected to the inner wall of one side of the two placement grooves (12), and the two springs (13) are respectively sleeved on the circumferential surfaces of the two telescopic rods (14).

4. The low-voltage lead fixing device for winding a transformer low-voltage coil according to claim 3 is characterized in that: A pulling groove (4) is provided on one inner wall of each of the two placement grooves (12); one end of each of the two connecting rods (8) is fixedly connected to a pulling rod (16); and the two pulling rods (16) are respectively slidably connected to the two pulling grooves (4).

5. The low-voltage lead fixing device for winding a transformer low-voltage coil according to claim 4, characterized in that: One end of the two pulling rods (16) is fixedly connected to a connecting plate (6), and one end of the two connecting plates (6) is fixedly connected to a handle (5).

6. The low-voltage lead fixing device for winding a transformer low-voltage coil according to claim 5, characterized in that: A plurality of connection holes are provided at one end of the connection plate (1), a screw rod (3) is disposed in each of the plurality of connection holes, and two nuts (2) are threadedly connected to the circumferential surfaces of the plurality of screw rods (3).

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