CN210552511U - Dry-type transformer casting mold - Google Patents
Dry-type transformer casting mold Download PDFInfo
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- CN210552511U CN210552511U CN201921380998.7U CN201921380998U CN210552511U CN 210552511 U CN210552511 U CN 210552511U CN 201921380998 U CN201921380998 U CN 201921380998U CN 210552511 U CN210552511 U CN 210552511U
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Abstract
The utility model provides a dry-type transformer casting mold, which comprises a base, an inner mold and an outer mold which are arranged on the base, a pressing bracket which is used for pressing the inner mold and the outer mold on the base, an upper pressing plate and a panel template which is arranged at one end of the outer mold; a pouring cavity is enclosed among the base, the inner die, the outer die, the panel template and the upper pressure plate; the pressing support comprises four tensioning screws vertically arranged on the base and a cross pressing frame sleeved on the four tensioning screws, and the cross pressing frame is connected with the tensioning screws through nuts; the shape and the size of the upper pressure plate are the same as those of the cross section of the pouring cavity, and the upper pressure plate is arranged at the upper part of the pouring cavity; the upper pressure plate is provided with a pouring hole and is connected with the cross pressure frame through four connecting screw rods, and the connecting screw rods are slidably arranged in the cross pressure frame in a penetrating mode and are fixed through nuts. The height of the pouring cavity of the pouring mold is adjustable, and the applicability is strong.
Description
Technical Field
The utility model relates to a dry-type transformer production technical field especially relates to a dry-type transformer casting mold.
Background
After the dry-type transformer finishes winding the coil, epoxy resin needs to be poured for sealing and shaping, and a vertical pouring mold is generally adopted for pouring.
At present, a vertical casting mold mainly comprises a base, an inner mold, an outer mold, a pressing bracket, an upper pressing plate and a panel template; the inner die and the outer die are arranged on the base, the panel template is arranged at one end of the outer die, a pouring cavity is formed among the inner die, the outer die and the panel template, the upper pressing plate is connected to the upper ends of the inner die and the outer die in a covering mode, and the pressing support is used for pressing the inner die and the outer die on the base and pressing the upper pressing plate simultaneously. When pouring is carried out, the coil is placed in the pouring cavity, and pouring is carried out from a pouring port formed in the upper pressing plate.
The casting mould only can be used for casting the transformer with fixed height because the heights of the inner mould and the outer mould are fixed, and only a set of new casting mould can be manufactured when the heights of the transformer are different, so that the production cost is increased.
It is seen that the prior art is susceptible to improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a dry-type transformer casting mold, which has a casting cavity with an adjustable height.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a dry-type transformer casting mold comprises a base, an inner mold and an outer mold which are arranged on the base, a pressing bracket used for pressing the inner mold and the outer mold on the base, an upper pressing plate and a panel template arranged at one end of the outer mold; a pouring cavity is enclosed among the base, the inner die, the outer die, the panel template and the upper pressure plate; the pressing support comprises four tensioning screws vertically arranged on the base and a cross pressing frame sleeved on the four tensioning screws, and the cross pressing frame is connected with the tensioning screws through nuts; the shape and the size of the upper pressure plate are the same as those of the cross section of the pouring cavity, and the upper pressure plate is arranged at the upper part of the pouring cavity; the upper pressure plate is provided with a pouring hole and is connected with the cross pressure frame through four connecting screw rods, and the connecting screw rods are slidably arranged in the cross pressure frame in a penetrating mode and are fixed through nuts.
In the dry-type transformer casting mold, the outer peripheral wall and the inner peripheral wall of the upper pressure plate are both provided with sealing rings.
In the dry-type transformer casting mould, the tops of the four connecting screw rods are fixedly connected with a cross connecting frame.
In the dry-type transformer casting mould, the upper surface of the base is provided with a rubber plate.
The dry-type transformer casting mold further comprises an inner mold positioning piece fixed on the base and used for positioning the inner mold.
In the dry-type transformer casting mould, the internal mold positioning piece comprises a bottom plate fixedly connected with the base through a screw and arc plates arranged at two ends of the bottom plate; the arc-shaped plate is attached to the inner wall of the inner die.
In the dry-type transformer casting mold, a sealing gasket is arranged between the panel template and the outer mold.
In the dry-type transformer casting mold, the outer mold clamps the panel template through a plurality of lock catches.
Has the advantages that:
the utility model provides a pair of dry-type transformer casting mold, because the top board sets up in the pouring cavity, and the length that stretches down through adjusting connecting screw can change the height of top board to the height of adjustable pouring cavity, thereby the pouring work of the transformer of adaptable co-altitude, the suitability is strong.
Drawings
Fig. 1 is the utility model provides a dry-type transformer casting mold's perspective view.
Fig. 2 is an explosion diagram of the dry-type transformer casting mold provided by the utility model.
Fig. 3 is an enlarged view of a portion S in fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1-3, the utility model provides a dry-type transformer casting mold, which comprises a base 1, an inner mold 2 and an outer mold 3 arranged on the base, a pressing bracket 4 for pressing the inner mold and the outer mold on the base, an upper pressing plate 5, and a panel template 6 arranged at one end of the outer mold 3; a pouring cavity 90 is enclosed among the base 1, the inner die 2, the outer die 3, the panel template 6 and the upper pressure plate 5; the pressing support 4 comprises four tensioning screws 4.1 vertically arranged on the base 1 and a cross pressing frame 4.2 sleeved on the four tensioning screws, and the cross pressing frame is connected with the tensioning screws through nuts 4.3; the shape and the size of the upper pressure plate 5 are the same as those of the cross section of the pouring cavity 90, and the upper pressure plate 5 is arranged at the upper part of the pouring cavity 90; the upper pressure plate 5 is provided with a pouring hole 5.1 and is connected with the cross-shaped pressure frame 4.2 through four connecting screw rods 5.2, and the connecting screw rods 5.2 are slidably arranged in the cross-shaped pressure frame 4.2 and fixed through nuts 5.3 (each connecting screw rod 5.2 is fixed on the cross-shaped pressure frame 4.2 through an upper nut 5.3 and a lower nut 5.3, and only the upper nut 5.3 can be seen in the figure).
When pouring is carried out, the coil is placed into the pouring cavity 90, then the downward extending length of the connecting screw rod 5.2 is adjusted, the upper pressing plate 5 is plugged into the pouring cavity 90, the upper pressing plate can position the relative positions of the inner die 2 and the outer die 3, then the cross-shaped pressing frame 4.2 and the tensioning screw rod 4.1 are connected to compress the inner die 2 and the outer die 3, and finally pouring is carried out from the pouring hole 5.1. Because the upper pressing plate 5 is arranged in the pouring cavity 90 (instead of pressing the upper pressing plate on the tops of the inner die 2 and the outer die 3 as in the prior art), and the height of the upper pressing plate can be changed by adjusting the downward extending length of the connecting screw 5.2, the height of the pouring cavity 90 can be adjusted, and the pouring device can adapt to the pouring work of transformers with different heights and has strong applicability.
In order to prevent epoxy resin from overflowing from the upper gap, sealing rings 5.4 can be arranged on the outer circumferential wall and the inner circumferential wall of the upper pressure plate 5. In order to improve the structural strength of the upper platen 5, a reinforcing rib may be provided on the upper surface of the upper platen 5.
In some embodiments, the top of the four connecting screws 5.2 is fixedly connected with a cross connecting frame 7 (welding, gluing, screwing, etc.). When the downward extension length of the connecting screw rods 5.2 is adjusted, the synchronous up-and-down movement can be realized through the cross connecting frame 7, the convenience in use is improved without adjusting one by one, and the downward extension length of all the connecting screw rods can be ensured to be equal all the time.
Further, the upper surface of the base 1 is provided with a rubber plate 1.1, when the pressing support 4 presses the inner die 2 and the outer die 3, the lower ends of the inner die 2 and the outer die 3 compress the rubber plate 1.1, so that gaps are eliminated, sealing is realized, and epoxy resin is prevented from overflowing from the gaps at the lower part.
Further, the dry-type transformer casting mold further comprises an inner mold positioning piece 8 fixed on the base 1 and used for positioning the inner mold 2.
In this embodiment, as shown in fig. 2, the internal mold positioning element 8 includes a bottom plate 8.2 fixedly connected to the base 1 through a screw 8.1, and arc plates 8.3 disposed at two ends of the bottom plate; the arc-shaped plate 8.3 is attached to the inner wall of the inner die 2. In this embodiment, the cross section of the inner mold 2 is an ellipse-like shape composed of two semi-circular arcs and two parallel transition straight lines, and the two arc-shaped plates 8.3 are respectively attached to the two semi-cylindrical surfaces of the inner mold 2, thereby realizing the positioning of the inner mold 2.
Further, a sealing gasket 9 is arranged between the panel template 6 and the outer die 3 to realize sealing. The panel template 6 is a U-shaped plate, the outer die 3 is provided with two L-shaped clamping plates 3.1, the panel template 6 is clamped through the two L-shaped clamping plates 3.1, and the sealing gasket 9 is arranged between the L-shaped clamping plates 3.1 and the side plates of the panel template 6, as shown in fig. 3.
In some embodiments, the overmold 3 clamps the panel forms 6 via a plurality of latches 10. The lock catches 10 are arranged on the L-shaped clamping plate 3.1, and locking and unlocking operations are very convenient. When the epoxy resin is dried and then the mold is opened, the inner mold 2 can be pulled out by a crane, and then the panel template 6 and the outer mold 3 can be taken out by unlocking the lock catch 10. In order to facilitate the pulling out of the inner die 2, a lifting lug can be arranged on the inner side surface of the inner die 2.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.
Claims (8)
1. A dry-type transformer casting mold comprises a base, an inner mold and an outer mold which are arranged on the base, a pressing bracket used for pressing the inner mold and the outer mold on the base, an upper pressing plate and a panel template arranged at one end of the outer mold; a pouring cavity is enclosed among the base, the inner die, the outer die, the panel template and the upper pressure plate; the pressing device is characterized in that the pressing support comprises four tensioning screws vertically arranged on a base and a cross pressing frame sleeved on the four tensioning screws, and the cross pressing frame is connected with the tensioning screws through nuts; the shape and the size of the upper pressure plate are the same as those of the cross section of the pouring cavity, and the upper pressure plate is arranged at the upper part of the pouring cavity; the upper pressure plate is provided with a pouring hole and is connected with the cross pressure frame through four connecting screw rods, and the connecting screw rods are slidably arranged in the cross pressure frame in a penetrating mode and are fixed through nuts.
2. A dry-type transformer casting mold as claimed in claim 1, wherein the upper pressure plate is provided with sealing rings on both the outer peripheral wall and the inner peripheral wall.
3. Dry-type transformer casting mould according to claim 1, characterized in that the top of four connecting screws is fixedly connected with a cross connecting frame.
4. Dry-type transformer casting mould according to claim 1, characterized in that the base upper surface is provided with a rubber plate.
5. A dry-type transformer casting mold according to claim 4, further comprising an inner mold positioning member fixed to the base for positioning the inner mold.
6. A dry-type transformer casting mold as claimed in claim 5, wherein the internal mold positioning member comprises a bottom plate fixedly connected with the base through screws, and arc-shaped plates disposed at both ends of the bottom plate; the arc-shaped plate is attached to the inner wall of the inner die.
7. A dry-type transformer casting mould according to claim 1, characterized in that a sealing gasket is arranged between the panel template and the outer mould.
8. A dry transformer casting mould as claimed in claim 7, wherein the overmold clamps the panel forms by a plurality of latches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921380998.7U CN210552511U (en) | 2019-08-23 | 2019-08-23 | Dry-type transformer casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921380998.7U CN210552511U (en) | 2019-08-23 | 2019-08-23 | Dry-type transformer casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210552511U true CN210552511U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921380998.7U Active CN210552511U (en) | 2019-08-23 | 2019-08-23 | Dry-type transformer casting mold |
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| CN (1) | CN210552511U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554511A (en) * | 2020-06-29 | 2020-08-18 | 江西万祥电气有限公司 | Filling and pouring assembly and pouring method for dry type transformer winding |
| CN114342998A (en) * | 2021-12-16 | 2022-04-15 | 天长市海旺食品有限公司 | High-temperature sterilization device is used in processing of sauce braised meat products |
| CN114919115A (en) * | 2022-06-02 | 2022-08-19 | 华翔翔能科技股份有限公司 | Better dry of security becomes pouring mould |
-
2019
- 2019-08-23 CN CN201921380998.7U patent/CN210552511U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554511A (en) * | 2020-06-29 | 2020-08-18 | 江西万祥电气有限公司 | Filling and pouring assembly and pouring method for dry type transformer winding |
| CN114342998A (en) * | 2021-12-16 | 2022-04-15 | 天长市海旺食品有限公司 | High-temperature sterilization device is used in processing of sauce braised meat products |
| CN114919115A (en) * | 2022-06-02 | 2022-08-19 | 华翔翔能科技股份有限公司 | Better dry of security becomes pouring mould |
| CN114919115B (en) * | 2022-06-02 | 2023-10-20 | 华翔翔能科技股份有限公司 | Better dry transformation pouring die of security |
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