Adjustable transformer coil pouring mold

By designing the adjustment and movement mechanism of the adjustable transformer coil casting mold, the problem of frequent mold replacement in the prior art is solved, and adaptable casting and mold movement to coils of different sizes is achieved, which reduces production costs and cycles and adapts to fast Rhythm production demand.

CN222213929UActive Publication Date: 2024-12-20QINGDAO HENGHAIXIN MASCH CO LTD
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Patent Information

Application Number
CN202420961066.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2024-12-20
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

Due to the size changes of existing transformer coil casting molds, the fixed molds need to be frequently replaced, resulting in high production costs, long cycles and large space occupancy, making it difficult to adapt to fast-paced production.

Method used

An adjustable transformer coil casting mold was designed, using an adjustment mechanism and a moving mechanism. Through structures such as slide chutes, lengthening plates, pin rods and universal wheels, adaptive casting and mold movement to coils of different sizes was achieved, reducing production. Difficulty and cost.

Benefits of technology

It improves the applicability and mobility of cast molds, reduces the frequency and production cycle of mold replacement, reduces production costs, and adapts to fast-paced production needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable transformer coil pouring mold which comprises a coaming, sliding grooves are formed in the middles of the left wall and the right wall of the coaming, lengthening plates are connected to the inner sides of the sliding grooves in a sliding mode, butt joint plates are fixedly connected to the ends, away from each other, of the two sets of lengthening plates, and a plurality of sets of evenly-distributed inserting holes are formed in the middles of the top walls of the sliding grooves. And positioning holes are formed in the middles of the top walls of the lengthening plates, bolt rods are slidably connected to the inner sides of the positioning holes, and the bolt rods are in clearance fit with the insertion holes. According to the adjustable transformer coil pouring mold, when pouring operation needs to be conducted on coils of different sizes, bolt rods are pulled out from the interiors of inserting holes and positioning holes, then butt joint plates are pulled outwards to enable lengthening plates to extend from the interiors of sliding grooves, and after adjustment is completed, the bolt rods are inserted into the inserting holes coinciding with the positioning holes; and the lengthened plate is fixed in the surrounding plate, so that transformer coils with different sizes are wrapped, and the practicability of the pouring mold is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of transformer coil production, in particular to an adjustable transformer coil casting mould. Background Art

[0002] Transformer coil is a kind of coil. Transformer needs coil to operate. According to the number of phases, it is divided into: single-phase transformer: used for single-phase load and three-phase transformer group, three-phase transformer: used for three-phase system voltage increase and decrease, according to capacity: small transformer coil generally uses insulated round copper wire, large transformer uses flat copper wire with insulating layer, coil is usually divided into layer type and pancake type, the coil turns are arranged in layers along the axial direction and continuously wound, called layer coil, each layer is like a cylinder, this is to consider that the coil has good mechanical strength, not easy to deform and easy to wind, the coil composed of two layers is called double-layer cylinder type; the coil composed of multiple layers is called multi-layer cylinder type, dry transformer coil needs to be poured with a layer of epoxy resin protective layer on its outer surface before installation, and the casting mold needs to be used in the casting process.

[0003] In the prior art, a large number of molds need to be equipped according to the changes in coil size. A large number of fixed molds are used to wind coils, which firstly takes up a lot of production space; secondly, new fixed molds need to be continuously made according to the changes in coil size. Fixed molds are mostly made of hard aluminum, which has high cost and long cycle, and is not conducive to fast-paced production. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an adjustable transformer coil casting mold, comprising a bottom plate, an adjusting mechanism is arranged on the upper side of the bottom plate, and a moving mechanism is arranged on the rear side of the bottom plate;

[0006] The adjustment mechanism includes a panel, a slide groove is provided in the middle of the left and right walls of the panel, an extension plate is slidably connected to the inner side of the slide groove, a docking plate is fixedly connected to the far end of two groups of extension plates, a plurality of groups of evenly distributed sockets are provided in the middle of the top wall of the slide groove, a positioning hole is provided in the middle of the top wall of the extension plate, a latch rod is slidably connected to the inner side of the positioning hole, and the latch rod is clearance-matched with the socket.

[0007] As a preferred technical solution of the utility model, the moving mechanism includes placement grooves, which are respectively arranged on the left and right sides of the rear wall of the base plate, the inner sides of the placement grooves are slidably connected with push rods, the middle parts of the push rods are provided with hinges, and handles are fixedly connected at the rear ends of the two groups of push rods.

[0008] As a preferred technical solution of the utility model, a coil body is arranged in the middle of the top wall of the bottom plate, an inner module is arranged inside the coil body, and hanging ears are fixedly connected to the front and rear sides of the middle of the top wall of the inner module.

[0009] As an optimal technical solution of the utility model, a fixing block is arranged on the front side of the middle part of the top wall of the bottom plate, and a plurality of groups of evenly distributed screw holes are arranged on the front wall of the fixing block. Bolts are threadedly connected to the inner sides of the screw holes, and the fixing block is fixedly connected to the coil body by bolts.

[0010] As an optimal technical solution of the utility model, a top plate is arranged on the top of the coil body, and limiting holes are arranged at the front and rear ends of the left and right walls of the top plate and the bottom plate, and connecting rods are slidably connected to the inner sides of the upper and lower groups of limiting holes.

[0011] As a preferred technical solution of the utility model, the outer circumferences of the upper and lower sides of the connecting rod are threadedly connected with fastening nuts, and the fastening nuts are respectively located at the top of the top plate and the bottom of the bottom plate.

[0012] As a preferred technical solution of the utility model, universal wheels are arranged at the four corners of the bottom of the base plate, and the insertion holes are all on the same vertical level as the positioning holes.

[0013] The beneficial effects of the utility model are:

[0014] 1. This adjustable transformer coil casting mold can be used to wrap transformer coils of different sizes by pulling out the latch rod from the inside of the insertion hole and the positioning hole when casting operations are required for coils of different sizes, and then pulling the docking plate outward to extend the extension plate from the slide groove. After the adjustment is completed, the latch rod is inserted from the insertion hole that coincides with the positioning hole, so that the extension plate is fixed inside the enclosure, thereby wrapping transformer coils of different sizes, thereby improving the practicality of the casting mold;

[0015] 2. This type of adjustable transformer coil casting mold, when the casting mold needs to be moved, pulls the handle backward to pull the push rod out of the placement slot, then bends the push rod to an angle that is convenient for pushing it through a hinge, pushes the handle to move the casting mold under the action of the universal wheel, avoids the casting mold being too heavy and can only be moved by hoisting, and reduces the difficulty of moving the casting mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of an adjustable transformer coil casting mold of the utility model;

[0018] Figure 2 This is a schematic diagram of the movable structure of an adjustable transformer coil casting mold of the utility model;

[0019] Figure 3 This is a schematic diagram of the adjustment structure of an adjustable transformer coil casting mold of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the fixed structure of an adjustable transformer coil casting mold.

[0021] In the figure: 1. bottom plate; 2. adjustment mechanism; 3. moving mechanism; 4. coil body; 5. inner module; 6. hanging ear; 7. enclosure; 8. slide groove; 9. extension plate; 10. docking plate; 11. positioning hole; 12. plug hole; 13. latch rod; 14. fixing block; 15. screw hole; 16. bolt; 17. top plate; 18. limit hole; 19. connecting rod; 20. fastening nut; 21. universal wheel; 22. placement slot; 23. push rod; 24. hinge; 25. handle. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1-4 As shown, the utility model is an adjustable transformer coil casting mold, comprising a bottom plate 1, an adjustment mechanism 2 is arranged on the upper side of the bottom plate 1, and a moving mechanism 3 is arranged on the rear side of the bottom plate 1;

[0024] The adjusting mechanism 2 includes a panel 7, a slide groove 8 is provided in the middle of the left and right walls of the panel 7, and an extension plate 9 is slidably connected to the inner side of the slide groove 8. The extension plate 9 can move left and right inside the slide groove 8 to lengthen or shorten the panel 7. Two groups of extension plates 9 are fixedly connected to a docking plate 10 at one end away from each other. A plurality of groups of evenly distributed sockets 12 are provided in the middle of the top wall of the slide groove 8. A positioning hole 11 is provided in the middle of the top wall of the extension plate 9. A latch rod 13 is slidably connected to the inner side of the positioning hole 11. The latch rod 13 is loosely matched with the socket 12. Inserting the latch rod 13 into the positioning hole 11 and the socket 12 can fix the extension plate 9 in the slide groove 8.

[0025] Among them, the moving mechanism 3 includes a placement groove 22, which is respectively arranged on the left and right sides of the rear wall of the base plate 1. The inner sides of the placement grooves 22 are slidably connected with push rods 23, and the middle parts of the push rods 23 are provided with hinges 24. The rear ends of the two groups of push rods 23 are fixedly connected with handles 25. Pushing the handles 25 can move the casting mold under the cooperation of the push rods 23 and the universal wheels 21.

[0026] Among them, a coil body 4 is arranged in the middle of the top wall of the bottom plate 1, an inner module 5 is arranged inside the coil body 4, and hanging ears 6 are fixedly connected to the front and rear sides of the middle of the top wall of the inner module 5. The hanging ears 6 can be provided to lift and move the inner module 5.

[0027] Among them, a fixing block 14 is arranged on the front side of the middle part of the top wall of the base plate 1, and a plurality of groups of evenly distributed screw holes 15 are arranged on the front wall of the fixing block 14, and bolts 16 are threadedly connected to the inner sides of the screw holes 15. The fixing block 14 is fixedly connected to the coil body 4 by the bolts 16, and the fixing block 14 can connect and fix the coil body 4 and the enclosure 7.

[0028] Among them, a top plate 17 is arranged on the top of the coil body 4, and limiting holes 18 are arranged on the front and rear ends of the left and right walls of the top plate 17 and the bottom plate 1, and connecting rods 19 are slidably connected to the inner sides of the upper and lower groups of limiting holes 18. The top plate 17 and the bottom plate 1 can be connected and fixed by cooperating with the connecting rods 19 and the fastening nuts 20.

[0029] The outer circumferences of the upper and lower sides of the connecting rod 19 are both threadedly connected with fastening nuts 20, and the fastening nuts 20 are respectively located at the top of the top plate 17 and the bottom of the bottom plate 1.

[0030] Among them, universal wheels 21 are arranged at the four corners of the bottom of the bottom plate 1 , and the insertion holes 12 are all on the same vertical level as the positioning holes 11 . The arrangement of the universal wheels 21 can reduce the difficulty of moving the bottom plate 1 .

[0031] Working principle: when it is necessary to cast coils of different sizes, pull the latch rod 13 out from the socket 12 and the positioning hole 11, then pull the docking plate 10 outward to extend the extension plate 9 from the slide groove 8, and after the adjustment is completed, insert the latch rod 13 from the socket 12 that coincides with the positioning hole 11, so that the extension plate 9 is fixed inside the enclosure 7, so as to wrap transformer coils of different sizes. When the casting mold needs to be moved, pull the handle 25 backward to pull the push rod 23 out of the placement groove 22, and then bend the push rod 23 to an angle that is convenient for pushing it through the hinge 24. Push the handle 25 to move the casting mold under the action of the universal wheel 21 to avoid the casting mold being too heavy and can only be hoisted and moved.

[0032] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable transformer coil casting mold, comprising a base plate (1), characterized in that: An adjusting mechanism (2) is provided on the upper side of the bottom plate (1), and a moving mechanism (3) is provided on the rear side of the bottom plate (1); The adjusting mechanism (2) comprises a panel (7), wherein a slide groove (8) is provided in the middle of the left and right walls of the panel (7), and an extension plate (9) is slidably connected to the inner side of the slide groove (8), and a docking plate (10) is fixedly connected to the ends of two groups of extension plates (9) away from each other, and a plurality of groups of evenly distributed insertion holes (12) are provided in the middle of the top wall of the slide groove (8), and a positioning hole (11) is provided in the middle of the top wall of the extension plate (9), and a latch rod (13) is slidably connected to the inner side of the positioning hole (11), and the latch rod (13) is clearance-matched with the insertion hole (12).

2. The adjustable transformer coil casting mold according to claim 1, characterized in that: The moving mechanism (3) comprises a placement groove (22), the placement groove (22) being respectively arranged on the left and right sides of the rear wall of the bottom plate (1), the inner sides of the placement grooves (22) being slidably connected with push rods (23), the middle parts of the push rods (23) being provided with hinges (24), and the rear ends of the two groups of push rods (23) being fixedly connected with a handle (25).

3. The adjustable transformer coil casting mold according to claim 1, characterized in that: A coil body (4) is arranged in the middle of the top wall of the bottom plate (1), an inner module (5) is arranged inside the coil body (4), and hanging ears (6) are fixedly connected to both the front and rear sides of the middle of the top wall of the inner module (5).

4. The adjustable transformer coil casting mold according to claim 1, characterized in that: A fixing block (14) is arranged on the front side of the middle part of the top wall of the bottom plate (1), and a plurality of groups of evenly distributed screw holes (15) are arranged on the front wall of the fixing block (14), and bolts (16) are threadedly connected to the inner sides of the screw holes (15), and the fixing block (14) is fixedly connected to the coil body (4) via the bolts (16).

5. The adjustable transformer coil casting mold according to claim 3, characterized in that: A top plate (17) is arranged on the top of the coil body (4); limit holes (18) are arranged at both the front and rear ends of the left and right walls of the top plate (17) and the bottom plate (1); and connecting rods (19) are slidably connected to the inner sides of the upper and lower groups of the limit holes (18).

6. The adjustable transformer coil casting mold according to claim 5, characterized in that: The outer peripheries of the upper and lower sides of the connecting rod (19) are both threadedly connected with fastening nuts (20), and the fastening nuts (20) are respectively located at the top of the top plate (17) and the bottom of the bottom plate (1).

7. The adjustable transformer coil casting mold according to claim 1, characterized in that: Universal wheels (21) are provided at the four corners of the bottom of the base plate (1), and the insertion holes (12) are all located on the same vertical horizontal line as the positioning holes (11).