CN217306303U - Processing end ring cushion insulating board shaping frock of bending of colding pressing - Google Patents
Processing end ring cushion insulating board shaping frock of bending of colding pressing Download PDFInfo
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- CN217306303U CN217306303U CN202220019628.6U CN202220019628U CN217306303U CN 217306303 U CN217306303 U CN 217306303U CN 202220019628 U CN202220019628 U CN 202220019628U CN 217306303 U CN217306303 U CN 217306303U
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Abstract
The utility model relates to a processing end ring cushion insulation board shaping frock of bending of colding pressing belongs to transformer insulator cold press molding technical field. The technical scheme is as follows: the outer arc edge (4) of the upper die is matched with the inner arc edge (5) of the lower die; the framework (1) is vertically arranged with the lower template (3) and the upper template (2), the bottom of the framework is fixed on the lower template, the top of the framework is provided with a framework top cover (7), and a screw jack (10) is arranged between the upper template and the framework top cover; the end ring cushion block insulation paper board is placed between the upper template and the lower template, pressure is applied through the screw jack, and the end part of the end ring cushion block insulation paper board is cold-pressed and bent to be formed by the outer arc edge of the upper die and the inner arc edge of the lower die. The utility model discloses effectively avoid metal piece and other debris to the insulating nature's of finished product influence in the manufacturing process, ensure the compaction of insulating part, the in-process of exerting pressure does not have the crackle, has not only improved the insulating properties of product, has improved the qualification rate and the machining efficiency of product, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a processing end ring cushion insulation board shaping frock of bending of colding pressing belongs to transformer insulation board spare cold press molding technical field.
Background
The end rings of the transformer are used at the upper end part and the lower end part of the transformer coil, and end part insulation is formed between the coil and the pressing supporting plate. The end ring cushion blocks mainly play roles in oil duct division, support and insulation, and the formed cushion blocks also play roles in supporting special-shaped pieces such as angle rings and the like after being bonded with the paper ring to form a combined end ring. The end ring cushion block is formed by cutting a plurality of layers of insulating paper boards into a certain size, brushing water, brushing glue, cold pressing, bending and shaping the paper boards, and then cutting the paper boards into required sizes. In the prior art, the bending treatment of the end ring cushion block insulating paperboard adopts a wet hot press molding process, and a plurality of processes are required during manufacturing, including the steps of manufacturing a wet paperboard, cleaning and treating a mold, wrapping the surface of the mold, covering the wet paperboard, beating the wet paper, adding deionized water, binding, tearing edges, drying, demolding, inspecting products and the like. The prior art has the problems that: the process is many, the efficiency is low, the wet paper is easy to be displaced and broken, cracks are easy to occur in the drying process, and the quality is not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a processing end ring cushion insulated paper board shaping frock of bending of colding pressing, with the used insulated paper board of transformer end ring cushion shaping of bending of colding pressing, effectively avoid metallic debris and other debris to the insulating influence of finished product in the manufacturing process, ensure the compaction of insulating part, the in-process of exerting pressure does not have the crackle, the insulating properties of product has not only been improved, the qualification rate and the machining efficiency of product have still been improved, to a great extent, manufacturing cost is reduced, solve the above-mentioned technical problem that prior art exists.
The utility model adopts the technical scheme that:
a cold-pressing, bending and forming tool for processing an end ring cushion block insulating paperboard comprises a frame, an upper template and a lower template; the two ends of the lower template are respectively provided with a lower die vertical plate, the whole lower template is in a groove shape, and an arc-shaped lower die inner arc edge is arranged between the lower template and the two lower die vertical plates; the upper template is matched in the shape of a groove on the lower template, two edges of the upper template are arc-shaped upper die outer arc edges, and the upper die outer arc edges are matched with the lower die inner arc edges; the frame is vertically arranged with the lower template and the upper template, the bottom of the frame is fixed on the lower template, the top of the frame is provided with a frame top cover, and a screw jack is arranged between the upper template and the frame top cover; the end ring cushion block paperboard is placed between the upper template and the lower template, the screw jacks are pulled up and down to exert pressure, and the two end parts of the end ring cushion block insulating paperboard are bent and formed by the extrusion force of the outer arc edge of the upper die and the inner arc edge of the lower die.
And an upper die handle is arranged on the side surface of the upper die plate, so that the upper die plate can be moved conveniently.
The screw jack is a commercially available product and is provided with a handle and a release valve, the handle is pulled up and down to apply pressure to the end ring cushion block insulating paper board between the upper template and the lower template, and after cold pressing, bending and forming are completed, the pressure is relieved through the release valve.
The utility model discloses beneficial effect: the influence of metal chips and other impurities on the insulativity of the finished product is effectively avoided in the manufacturing process, the compactness of an insulating part is ensured, no crack is generated in the pressing process, the insulating property of the product is improved, the qualification rate and the processing efficiency of the product are greatly improved, and the production cost is reduced to a great extent.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the invention;
FIG. 3 is a perspective view of the embodiment of the present invention in use;
in the figure: the device comprises a frame 1, an upper die plate 2, a lower die plate 3, an upper die outer arc edge 4, a lower die inner arc edge 5, a lower die vertical plate 6, a frame top cover 7, an upper die lifting handle 8, an end ring cushion block insulating paper plate 9, a screw jack 10, a handle 11 and a release valve 12.
Detailed Description
The present invention will be further explained by the embodiments with reference to the drawings.
A cold-pressing, bending and forming tool for processing an end ring cushion block insulating paperboard comprises a frame 1, an upper template 2 and a lower template 3; the two ends of the lower template 3 are respectively provided with a lower die vertical plate 6, the whole lower template is in a groove shape, and an arc-shaped lower die inner arc edge 5 is arranged between the lower template 3 and the two lower die vertical plates 6; the upper template 2 is matched in the shape of a groove on the lower template 3, two edges of the upper template 2 are arc-shaped upper mold outer arc edges 4, and the upper mold outer arc edges 4 are matched with the lower mold inner arc edges 5; the framework 1 is vertically arranged with the lower template 3 and the upper template 2, the bottom of the framework 1 is fixed on the lower template 3, the top of the framework 1 is provided with a framework top cover 7, and a screw jack 10 is arranged between the upper template 2 and the framework top cover 7; end ring cushion insulating paper board 9 is placed between cope match-plate pattern 2 and lower bolster 3, exerts pressure through pulling screw jack 10 from top to bottom, goes up mould outer arc limit 4 and lower mould inner arc limit 5 and buckles the shaping with the tip of end ring cushion insulating paper board 9 cold pressing.
And an upper die handle 8 is arranged on the side surface of the upper die plate 2, so that the upper die plate 2 can be moved conveniently.
The screw jack 10 is a commercially available product and is provided with a handle 11 and a release valve 12, pressure is applied to the end ring cushion block insulating paper board 9 between the upper template 2 and the lower template 3 by pulling the handle up and down, and after cold pressing, bending and forming are completed, the pressure is relieved through the release valve 12.
In the embodiment, the end ring cushion block insulating paper board 9 is made of 100% unbleached sulfate paper pulp, a plurality of layers of paper boards are coated with glue and stacked, the paper boards are placed between the upper template 2 and the lower template 3, the upper template is pressed through the screw jack 10, and after a certain time, the glue between the paper boards is solidified into a whole and keeps a certain shape. The pressure is kept for the adhesion of the paper boards, and the paper boards are placed at room temperature for more than 3 hours. The end ring cushion block insulating paper board 9 after demoulding and forming is sawed into required sizes by using an existing sliding table saw.
Claims (3)
1. The utility model provides a processing end ring cushion insulation board shaping frock of bending of colding pressing which characterized in that: comprises a frame (1), an upper template (2) and a lower template (3); lower die vertical plates (6) are respectively arranged at two ends of the lower die plate (3), the whole lower die plate is in a groove shape, and an arc-shaped lower die inner arc edge (5) is arranged between the lower die plate (3) and the two lower die vertical plates (6); the upper template (2) is matched in the groove shape on the lower template (3), two edges of the upper template (2) are arc-shaped upper mould outer arc edges (4), and the upper mould outer arc edges (4) are matched with the lower mould inner arc edges (5); the framework (1) is vertically arranged with the lower template (3) and the upper template (2), the bottom of the framework (1) is fixed on the lower template (3), the top of the framework (1) is provided with a framework top cover (7), and a screw jack (10) is arranged between the upper template (2) and the framework top cover (7); the end ring cushion block insulation paper board (9) is placed between the upper template (2) and the lower template (3), pressure is applied by pulling the screw jack (10) up and down, and the two ends of the end ring cushion block insulation paper board are bent and formed by extrusion force of the outer arc edge (4) of the upper die and the inner arc edge (5) of the lower die.
2. The tooling of claim 1, wherein the tooling comprises: and an upper die handle (8) is arranged on the side surface of the upper die plate (2).
3. The tooling for cold-pressing, bending and forming the insulating paperboard for processing the end ring cushion block according to claim 1 or 2, is characterized in that: the screw jack (10) is provided with a handle (11) and a release valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019628.6U CN217306303U (en) | 2022-01-06 | 2022-01-06 | Processing end ring cushion insulating board shaping frock of bending of colding pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019628.6U CN217306303U (en) | 2022-01-06 | 2022-01-06 | Processing end ring cushion insulating board shaping frock of bending of colding pressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217306303U true CN217306303U (en) | 2022-08-26 |
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ID=82923447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220019628.6U Active CN217306303U (en) | 2022-01-06 | 2022-01-06 | Processing end ring cushion insulating board shaping frock of bending of colding pressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217306303U (en) |
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2022
- 2022-01-06 CN CN202220019628.6U patent/CN217306303U/en active Active
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