Transverse capacitor core winding machine

Abstract

The utility model discloses a kind of transverse capacitor core sub-wrapping machine, operator can be assisted to wind insulating paper to capacitor core, and can be according to the insulating paper size required by capacitor core to try cutting, to effectively avoid the waste of insulating paper, with the implementation recovery action of the insulating paper cut down, the normal capacitor core sub-wrapping action of the insulating paper cut down can be avoided to influence. The main structure of the application includes mainframe, fixed side horizontal shaft, movable side horizontal shaft and main motor, the mainframe is equipped with tool holder and paper tube rotating shaft, the paper tube rotating shaft is rotatably connected with the mainframe, the tool holder is equipped with paper cutter, the fixed side horizontal shaft is fixed with fixed side clamping plate, the movable side horizontal shaft is equipped with movable side clamping plate rotatably connected with movable side horizontal shaft, the fixed side clamping plate and the movable side clamping plate form clamping space, the mainframe is equipped with fixed side locking screw and movable side locking screw, the fixed side horizontal shaft is equipped with core mould with capacitor core equal length and equal width.

Description

Technical Field

[0001] This utility model belongs to the field of electrical and capacitor technology, and in particular relates to a transverse capacitor core winding machine. Background Technology

[0002] Capacitors play a crucial role in circuits for tuning, bypassing, coupling, and filtering. They are also a common electrical component in industrial production. High-voltage capacitors consist of a capacitor core, which is installed inside the capacitor casing. The capacitor core is typically wrapped with a certain number of turns of insulating paper (e.g., 60 turns), and then secured with strapping (packing tape) to hold the insulating paper in place. Alternatively, in many cases, a packaging structure similar to a rigid cardboard box may be placed around the capacitor core before wrapping the insulating paper. Regardless of the method, strapping is ultimately used to tighten, pack, and secure the capacitor. Utility Model Content

[0003] This invention provides a transverse capacitor core winding machine that assists the operator in winding insulating paper onto the capacitor core. It can also cut the insulating paper according to the required size for the capacitor core, effectively avoiding waste. Furthermore, it can recycle the cut insulating paper to prevent it from interfering with the normal winding process. For heavier capacitor cores, it provides lateral auxiliary fixing to improve stability during the winding process.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A transverse capacitor core winding machine includes a main frame;

[0006] It also includes a fixed side horizontal shaft that rotates with the main frame, a movable side horizontal shaft that slides with the main frame, and a main motor for driving the fixed side horizontal shaft to rotate.

[0007] The main frame is equipped with a knife holder and a paper tube rotating shaft mounted on the main frame. The paper tube rotating shaft is rotatably connected to the main frame. The paper tube rotating shaft is parallel to the fixed side horizontal axis. The knife holder is equipped with a paper cutter. A fixed side clamping plate is fixed on the fixed side horizontal axis. A movable side clamping plate is rotatably connected to the movable side horizontal axis on the movable side horizontal axis. A clamping space is formed between the fixed side clamping plate and the movable side clamping plate.

[0008] The main frame is provided with a fixed side locking screw that is threaded to the main frame and used to tighten the fixed side horizontal shaft. The main frame is provided with a moving side locking screw that is threaded to the main frame and used to tighten the moving side horizontal shaft. The fixed side horizontal shaft is provided with a core mold that is the same length and width as the capacitor core. The fixed side horizontal shaft is provided with a handle that is used to drive the moving side horizontal shaft to slide along the axial direction of the moving side horizontal shaft.

[0009] Preferably, the fixed side clamp is provided with a side limiting member that engages with the fixed side clamp, and the moving side clamp is provided with a side limiting member that engages with the moving side clamp. The side limiting member includes two symmetrically arranged pressing members, and the pressing members include a clamping plate, an elastic pressing plate for pressing the side wall of the capacitor core, and a connecting plate.

[0010] In a clamping component: the clamping plate is connected to the elastic pressure plate via a connecting plate;

[0011] In the side limiting component that engages with the fixed side clamping plate: the clamping plate engages with the slot provided on the fixed side clamping plate, and the two clamping plates in the two clamping components are arranged opposite to each other along the capacitor core.

[0012] In the side limiting member that engages with the moving side clamping plate: the clamping plate engages with the slot provided on the moving side clamping plate, and the two clamping plates of the two clamping members are arranged opposite each other along the capacitor core.

[0013] Preferably, when the card plate is inserted into the slot and when the card plate leaves the slot, the direction of movement of the card plate is parallel to the axis of the fixed side transverse axis. After the card plate is inserted into the slot, the distance between the axis of the fixed side transverse axis and the elastic pressure plate is M. After the card plate leaves the slot, the minimum distance between the axis of the fixed side transverse axis and the elastic pressure plate is N. M is greater than N.

[0014] Preferably, the core mold includes a mandrel passing through a fixed lateral axis, two mold plates symmetrically arranged along the fixed lateral axis, and an adjusting rod for adjusting the distance between the mold plates. The mandrel is fixed to the fixed lateral axis, and the mold plates are slidably fitted with the mandrel. The mold plates are provided with threaded holes, and the adjusting rod is provided with a positive thread section and a negative thread section. The threaded hole on one mold plate is fitted with the positive thread section, and the threaded hole on the other mold plate is fitted with the negative thread section. The surface of the mold plate away from the fixed lateral axis is the outer mold surface, and the mandrel is located between the two outer mold surfaces. The adjusting rod is located between the two outer mold surfaces.

[0015] Preferably, the mold plate has a clearance notch at one end adjacent to the fixed side clamping plate to avoid the clamping member, and the clearance notch extends through both surfaces of the mold plate.

[0016] The beneficial effects of this utility model are: it can assist the operator in winding the insulating paper onto the capacitor core, and can cut the insulating paper in a timely manner according to the required size of the capacitor core, thereby effectively avoiding waste of insulating paper; it has a function to recycle the cut insulating paper, which can prevent the cut insulating paper from affecting the normal winding of the capacitor core; for heavier capacitor cores, it can provide lateral auxiliary fixation, thereby improving the stability during the winding process; the core mold can be quickly adjusted, with good flexibility and wide adaptability. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a front view of a partial structure of this utility model;

[0019] Figure 3 This is a structural schematic diagram of the fixed-side clamp of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the mandrel in this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the adjusting rod of this utility model.

[0022] Reference numerals in the attached drawings: Main frame 1, fixed side locking screw 101, moving side locking screw 102, fixed side horizontal shaft 2, fixed side clamping plate 201, main motor 2.1, moving side horizontal shaft 3, moving side clamping plate 301, handle 3.1, knife holder 4, paper cutter 401, paper tube rotating shaft 5, clamping component 6, slot 6a, clamping plate 601, elastic pressure plate 602, connecting plate 603, pull ring 604, mandrel 701, mold plate 702, threaded hole 702a, sliding hole 702b, outer mold surface 702.1, clearance notch 702.2, adjusting rod 703, positive thread section 703a, negative thread section 703b, capacitor core 8. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown,

[0025] A transverse capacitor core winding machine includes a main frame 1; it also includes a fixed side transverse shaft 2 rotatably engaged with the main frame 1, a movable side transverse shaft 3 slidably connected to the main frame 1, and a main motor 2.1 for driving the fixed side transverse shaft 2 to rotate.

[0026] The main frame 1 is provided with a knife holder 4 and a paper tube rotating shaft 5 installed on the main frame 1. The paper tube rotating shaft 5 is rotatably connected to the main frame 1. The paper tube rotating shaft 5 is parallel to the fixed side horizontal shaft 2. The knife holder 4 is provided with a paper cutting knife 401. The fixed side horizontal shaft 2 is fixed with a fixed side clamping plate 201. The movable side horizontal shaft 3 is provided with a movable side clamping plate 301 rotatably connected to the movable side horizontal shaft 3. A clamping space is formed between the fixed side clamping plate 201 and the movable side clamping plate 301.

[0027] The main frame 1 is provided with a fixed side locking screw 101 that is threadedly connected to the main frame 1 and used to tighten the fixed side horizontal shaft 2. The main frame 1 is provided with a moving side locking screw 102 that is threadedly connected to the main frame 1 and used to tighten the moving side horizontal shaft 3. The fixed side horizontal shaft 2 is provided with a core mold that is the same length and width as the capacitor core. The fixed side horizontal shaft 2 is provided with a handle 3.1 for driving the moving side horizontal shaft 3 to slide along the axial direction of the moving side horizontal shaft 3.

[0028] Explanation: When the capacitor core is clamped in the clamping space and the capacitor is arranged horizontally, the height direction of the capacitor core is parallel to the moving side horizontal axis 3, the length direction of the capacitor core is horizontal and perpendicular to the moving side horizontal axis 3, and the width direction of the capacitor core is vertical and perpendicular to the moving side horizontal axis 3.

[0029] The height of the purchased insulating paper (the length of the insulating paper along the axis of the paper tube shaft 5 when it is wound on the paper tube shaft 5) cannot perfectly match the various types of capacitor cores (there are many sizes and types of capacitor cores). If the height of the insulating paper is much greater than the height of the capacitor core, then waste is inevitable.

[0030] In this scheme, when it is necessary to roll up the capacitor core, the fixed side locking screw 101 locks the fixed side horizontal shaft 2, fixing the position of the fixed side clamp 201. The handle 3.1 drives the moving side horizontal shaft 3 and the moving side clamp 301 away from the fixed side clamp 201 by a certain distance. Then, the capacitor core is allowed to enter between the fixed side clamp 201 and the moving side clamp 301 (a support block can be placed below to assist in supporting the capacitor core, or the support block can be omitted and the capacitor core can be held by hand. If a support block is placed, it should be removed before the subsequent rolling operation). The handle 3.1 drives the moving side horizontal shaft 3 and the moving side clamp 301 to press the capacitor core (try to make the fixed side clamp 201 and the moving side clamp 301 symmetrically arranged, but it does not need to be very precise). The moving side locking screw 102 locks the moving side horizontal shaft 3.

[0031] Loosen the fixed-side locking screw 101 and pull out the free end of the insulating paper wound on the paper tube shaft 5. Manually wrap it two or three times onto the capacitor core and core mold. Since the insulating paper will pass through the paper cutter 401, it is equivalent to the insulating paper wrapped onto the capacitor core and the insulating paper wrapped onto the core mold being pre-cut. Then start the main motor 2.1 to drive the moving side horizontal shaft 3 to rotate and continue wrapping (the fixed side horizontal shaft 2, fixed side clamping plate 201, capacitor core, and moving side clamping plate 301 rotate together). After wrapping is completed (after about 50 to 60 wraps), part of the insulating paper is wrapped onto the capacitor core (the insulating paper is also wrapped outside the fixed side clamping plate 201 and the moving side clamping plate 301, but the insulating paper does not contact the fixed side clamping plate 201), and part of the insulating paper is wrapped onto the core mold. During the wrapping process, the insulating paper is continuously cut by the paper cutter 401. Then separate the rolled-up insulating paper from the insulating paper wound (wrapped) on the paper tube shaft 5 (you can cut it with a utility knife). After that, you can remove the rolled-up capacitor core (the removal process will be described later), and use strapping (packing straps) to wrap the insulating paper outside the capacitor core to fix the insulating paper and the capacitor core.

[0032] In the above process, the core mold, whose length and width are roughly the same as the capacitor core, serves to "synchronously wind" the excess insulating paper. Firstly, it protects the cut excess insulating paper from falling to the ground or "moving around," and secondly, it prevents the excess insulating paper from shifting during the winding process and affecting the normal winding of the capacitor core. Of course, because the insulating paper has a slight elasticity, the dimensions of the core mold do not need to be overly precise; in principle, "close enough" is sufficient.

[0033] The following describes the process of removing the rolled-up capacitor core: Loosen the fixed-side locking screw 101, allowing the moving-side horizontal shaft 3 and the moving-side clamp 301 to move together. The moving-side clamp 301 will move away from the capacitor core and the insulating paper rolled up on the capacitor core a certain distance away. Then, the capacitor core and the insulating paper rolled up on the capacitor core will move together away from the fixed-side clamp 201 until they are both away from the fixed-side clamp 201 (at this time, the capacitor core and the insulating paper rolled up on the capacitor core still do not contact the moving-side clamp 301). The rolled-up capacitor core can then be removed. (In fact, the insulating paper can have a certain degree of contact with the fixed-side clamp 201 and the moving-side clamp 301. The insulating paper can be deformed slightly because the insulating paper has a little elasticity. Of course, it is better if there is no contact.)

[0034] There are several ways to process the insulating paper wound (wrapped) on the core mold. For example, the insulating paper wound on the core mold can be rolled onto an additional roll for use elsewhere. Alternatively, the section of the moving side horizontal shaft 3 where the core mold is located can be detachably connected to the overall moving side horizontal shaft 3. In this case, the core mold with the wrapped insulating paper and the section of the moving side horizontal shaft 3 where the core mold is located can be removed directly, and new accessories can be installed.

[0035] The fixed side clamp 201 is provided with a side limiting member that engages with the fixed side clamp 201, and the movable side clamp 301 is provided with a side limiting member that engages with the movable side clamp 301. The side limiting member includes two symmetrically arranged pressing members 6. The pressing member 6 includes a clamping plate 601, an elastic pressing plate 602 for pressing the side wall of the capacitor core, and a connecting plate 603.

[0036] In a clamping component 6: the clamping plate 601 is connected to the elastic pressure plate 602 via the connecting plate 603;

[0037] In the side limiting member that engages with the fixed side clamping plate 201: the clamping plate 601 engages with the slot 6a provided on the fixed side clamping plate 201, and the two clamping plates 601 in the two clamping members 6 are arranged opposite to each other along the capacitor core.

[0038] In the side limiting member that engages with the moving side clamping plate 301: the clamping plate 601 engages with the slot 6a provided on the moving side clamping plate 301, and the two clamping plates 601 in the two clamping members 6 are arranged opposite to each other along the capacitor core.

[0039] A pull ring 604 is provided on the connecting plate 603.

[0040] After the moving side clamp 301 and the fixed side clamp 201 clamp the capacitor core, if the capacitor core itself is large and heavy, in order to solve the problem that relying solely on the fixed side clamp 201 and the moving side clamp 301 is insufficient to achieve a secure fixation (the capacitor core cannot be clamped too tightly in one direction, otherwise it is easy to damage the capacitor core), the side limiting member can be engaged with the moving side clamp 301 and the side limiting member can be engaged with the fixed side clamp 201, thereby pressing the side wall of the capacitor core from the side, which helps to strengthen the fixation effect, so that the capacitor core will not shift relative to the fixed side clamp 201 and the moving side clamp 301 during the subsequent wrapping process. The pull ring 604 can facilitate the insertion and removal of the clamping member 6.

[0041] In this solution, the process of removing the rolled capacitor core is as follows: Loosen the fixed-side locking screw 101, allowing the moving-side horizontal shaft 3, the moving-side clamp 301, the capacitor core, and the insulating paper rolled on the capacitor core to leave the fixed-side clamp 201 (and the side limiting piece on the fixed-side clamp 201) together. Then, allow the moving-side clamp 301 to move in the opposite direction to the capacitor core, and the capacitor core and the insulating paper rolled on the capacitor core to leave the moving-side clamp 301 (and the side limiting piece on the moving-side clamp 301) together, so that the rolled capacitor core can be removed.

[0042] As mentioned earlier, because the insulating paper has a slight elasticity, the dimensions of the core mold do not need to be too precise; in principle, "close enough" is sufficient. Similarly, when using side limiting components, as long as the elastic pressure plate 602 is not particularly thick, it will not have any impact.

[0043] When the card plate 601 is inserted into the slot 6a and when the card plate 601 leaves the slot 6a, the direction of movement of the card plate 601 is parallel to the axis of the fixed side horizontal axis 2. After the card plate 601 is inserted into the slot 6a, the distance between the axis of the fixed side horizontal axis 2 and the elastic pressure plate 602 is M. After the card plate 601 leaves the slot 6a, the minimum distance between the axis of the fixed side horizontal axis 2 and the elastic pressure plate 602 is N. M is greater than N.

[0044] The elastic compression sheet 602 can be an elastic metal sheet.

[0045] After the card plate 601 is inserted into the slot 6a, the elastic pressure plate 602 contacts the side wall of the capacitor core and there is some squeezing between them, which can help position the capacitor core.

[0046] The core mold includes a mandrel 701 passing through a fixed lateral axis 2, two mold plates 702 symmetrically arranged along the fixed lateral axis 2, and an adjusting rod 703 for adjusting the distance between the mold plates 702. The mandrel 701 is fixed to the fixed lateral axis 2, and the mold plates 702 are slidably fitted with the mandrel 701. The mold plates 702 are provided with threaded holes 702a, and the adjusting rod 703 is provided with a positive thread section 703a and a negative thread section 703b. The threaded hole 702a on one mold plate 702 is fitted with the positive thread section 703a, and the threaded hole 702a on the other mold plate 702 is fitted with the negative thread section 703b. The surface of the mold plate 702 away from the fixed lateral axis 2 is the outer mold surface 702.1. The mandrel 701 is located between the two outer mold surfaces 702.1, and the adjusting rod 703 is located between the two outer mold surfaces 702.1.

[0047] The mold plate 702 slides with the mandrel 701 through the sliding hole 702b provided on the mold plate 702.

[0048] As mentioned earlier, there are many sizes and types of capacitor cores. To reduce the number of core molds, the adaptability of a single core mold is improved. Specifically, by rotating the adjusting rod 703, the distance between the two outer mold surfaces 702.1 can be increased or decreased through the engagement of the threaded hole 702a with the positive thread section 703a, the engagement of the threaded hole 702a with the negative thread section 703b, and the sliding engagement of the mold plate 702 with the mandrel 701. Thus, one set of core molds can accommodate various capacitor cores of the same length but different widths, which can greatly reduce the number of core molds required.

[0049] The mold plate 702 is provided with a clearance notch 702.2 at one end adjacent to the fixed side clamping plate 201 for avoiding the clamping member 6. The clearance notch 702.2 passes through the two surfaces of the mold plate 702.

[0050] When the card plate 601 is inserted into the slot 6a on the side clamping plate 201, a part of the card plate 601 can first reach into the clearance notch 702.2. Then the card plate 601 is inserted into the slot 6a on the side clamping plate 201, and the elastic pressure plate 602 presses down on the side wall of the capacitor core. In this way, the distance between the core mold and the side clamping plate 201 can be made smaller, which helps to reduce the area occupied by the overall structure.

[0051] The embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A transverse capacitor core winding machine, comprising a main frame; characterized in that, It also includes a fixed side horizontal shaft that rotates with the main frame, a movable side horizontal shaft that slides with the main frame, and a main motor for driving the fixed side horizontal shaft to rotate. The main frame is equipped with a knife holder and a paper tube rotating shaft mounted on the main frame. The paper tube rotating shaft is rotatably connected to the main frame. The paper tube rotating shaft is parallel to the fixed side horizontal axis. The knife holder is equipped with a paper cutter. A fixed side clamping plate is fixed on the fixed side horizontal axis. A movable side clamping plate is rotatably connected to the movable side horizontal axis on the movable side horizontal axis. A clamping space is formed between the fixed side clamping plate and the movable side clamping plate. The main frame is provided with a fixed side locking screw that is threaded to the main frame and used to tighten the fixed side horizontal shaft. The main frame is provided with a moving side locking screw that is threaded to the main frame and used to tighten the moving side horizontal shaft. The fixed side horizontal shaft is provided with a core mold that is the same length and width as the capacitor core. The fixed side horizontal shaft is provided with a handle that is used to drive the moving side horizontal shaft to slide along the axial direction of the moving side horizontal shaft.

2. A lateral capacitor core winding machine according to claim 1, wherein The fixed side clamp is provided with a side limiting member that engages with the fixed side clamp, and the moving side clamp is provided with a side limiting member that engages with the moving side clamp. The side limiting member includes two symmetrically arranged pressing members, and the pressing members include a clamping plate, an elastic pressing plate for pressing the side wall of the capacitor core, and a connecting plate. In a clamping component: the clamping plate is connected to the elastic pressure plate via a connecting plate; In the side limiting component that engages with the fixed side clamping plate: the clamping plate engages with the slot provided on the fixed side clamping plate, and the two clamping plates in the two clamping components are arranged opposite to each other along the capacitor core. In the side limiting member that engages with the moving side clamping plate: the clamping plate engages with the slot provided on the moving side clamping plate, and the two clamping plates of the two clamping members are arranged opposite each other along the capacitor core.

3. A transverse capacitor core winding machine according to claim 2, characterized in that, When the card plate is inserted into the slot and when the card plate leaves the slot, the direction of movement of the card plate is parallel to the axis of the fixed side transverse axis. After the card plate is inserted into the slot, the distance between the axis of the fixed side transverse axis and the elastic pressure plate is M. After the card plate leaves the slot, the minimum distance between the axis of the fixed side transverse axis and the elastic pressure plate is N. M is greater than N.

4. A transverse capacitor core winding machine according to claim 1, 2, or 3, characterized in that, The core mold includes a mandrel passing through a fixed lateral axis, two mold plates symmetrically arranged along the fixed lateral axis, and an adjusting rod for adjusting the distance between the mold plates. The mandrel is fixed to the fixed lateral axis, and the mold plates are slidably fitted with the mandrel. The mold plates are provided with threaded holes, and the adjusting rod is provided with a positive thread section and a negative thread section. The threaded hole on one mold plate is fitted with the positive thread section, and the threaded hole on the other mold plate is fitted with the negative thread section. The surface of the mold plate away from the fixed lateral axis is the outer mold surface, and the mandrel is located between the two outer mold surfaces. The adjusting rod is located between the two outer mold surfaces.

5. A transverse capacitor core winding machine according to claim 4, characterized in that, The mold plate has a clearance notch at one end adjacent to the fixed side clamping plate to avoid the clamping component. The clearance notch extends through both surfaces of the mold plate.

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