CN212676083U

CN212676083U - Dry-type transformer casting mold

Info

Publication number: CN212676083U
Application number: CN202021132525.8U
Authority: CN
Inventors: 严金华; 王力; 代伟; 亓良
Original assignee: Shandong Hengwei Electric Equipment Co ltd
Current assignee: Shandong Hengwei Electric Equipment Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-09
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a transformer casting mold technical field just discloses a dry-type transformer casting mold, comprising a base plate, bottom plate top axis fixedly connected with centre form of department, bottom plate top axis fixedly connected with external mold of department, the external mold is located the centre form outside, it has the chamber that separates to separate between centre form and the external mold, it is provided with the baffle to separate chamber top annular, the bottom plate top is provided with the apron, other fixedly connected with screw rod, two are equallyd divide at bottom plate top both ends the screw rod is equallyd divide and is do not run through the apron both ends and extend to the apron outside. The utility model discloses a set up the honeycomb duct, make to pack and to spill the honeycomb duct when a take the altitude, do not need the higher follow-up of pouring to polish, solved and annotated a height inaccurate, and the terminal surface easily produces the defect of surface gas pocket to it is accurate after the high shaping to make to annotate, saved the material, reduce the process, make gas pocket, indenture obviously reduce, make to annotate that a surface is smooth pleasing to the eye.

Description

Dry-type transformer casting mold

Technical Field

The utility model relates to a transformer casting mold technical field specifically is a dry-type transformer casting mold.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The cooling method is divided into natural air cooling and forced air cooling. During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.

At present, the domestic dry-type transformer casting mold has high technological requirements in the use process, the height of an injected piece is easy to be inaccurate, polishing treatment is needed, the end face is easy to generate defects of surface air holes and the like, and the quality of the injected piece is not high, so that the dry-type transformer casting mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer casting mold reaches the purpose that improves and annotates a quality.

In order to achieve the above object, the utility model provides a following technical scheme: a dry-type transformer casting mold comprises a bottom plate, wherein an inner mold is fixedly connected with a center shaft above the bottom plate, an outer mold is fixedly connected with the center shaft above the bottom plate, the outer mold is positioned outside the inner mold, a separation cavity is formed between the inner mold and the outer mold, a partition is annularly arranged above the separation cavity, a cover plate is arranged above the bottom plate, two screws are respectively and fixedly connected with the top of the bottom plate, the two screws respectively penetrate through two ends of the cover plate and extend to the outside of the cover plate, a flow guide pipe is arranged above the left of the outer mold, the flow guide pipe penetrates through the outer mold and is communicated with the separation cavity, a pressing block is arranged above the left of the bottom plate, a sealing plug is fixedly connected on the right side of the pressing block, the sealing plug penetrates through the flow guide pipe and extends, the utility model discloses a stop bar, including gag lever post, fixed ring, fixed plate, external mold fixed connection, the gag lever post surface fixed connection has solid fixed ring, gu fixed ring is located the connecting block below, gu fixed ring below is provided with the fixed plate, fixed plate and external mold fixed connection, the gag lever post runs through the fixed plate, the gag lever post surface is provided with the spring, the spring top contacts with solid fixed ring bottom, the spring bottom contacts with the fixed.

Preferably, four corners of the bottom plate are fixedly connected with supporting legs.

Preferably, the baffle both ends are equallyd divide and are provided with the sprue gate, two the sprue gate bottom is equallyd divide and is do not run through the baffle and extend to the baffle below.

Preferably, the bottom of the cover plate is provided with a groove, and the top of the surface of the outer die is in contact with the wall of the groove.

Preferably, two the screw rod top all is provided with the nut, two the nut is equallyd divide do not with two screw rod threaded connection, two the nut bottom is equallyd divide do not contact with the apron.

Preferably, the pressing block is movably connected with the outer die through a rotating shaft.

Preferably, the limiting rod penetrates through the connecting block and extends to the outside of the connecting block, and the bottom of the limiting rod is fixedly connected with a limiting block.

Preferably, the left side of the bottom of the cover plate is provided with a lifting hook.

The utility model provides a dry-type transformer casting mold. The method has the following beneficial effects:

(1) the utility model discloses a set up the honeycomb duct, make to pack and can spill the honeycomb duct when a take the altitude, do not need the higher follow-up of pouring to polish, solved and annotated a height inaccurate, and the terminal surface easily produces the defect of surface gas pocket to it is accurate after the high shaping to make to annotate, saved the material, reduce the process, make the gas pocket indenture obviously reduce, make to annotate that a surface is smooth pleasing to the eye, the high quality.

(2) The utility model discloses a set up the briquetting, when filling in separating the chamber, can make the lifting hook hang rings, prevent to pack and be stained with the briquetting on, pack the unhurried back, through pulling the stopper downwards, rotate the briquetting again, make the sealing plug fill in the honeycomb duct, through loosening the stopper, can make the gag lever post run through the connecting block under the elasticity of spring, fix the briquetting to the realization is to separating the sealed of chamber, guarantees the quality of pouring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the present invention a;

fig. 3 is an enlarged schematic view of the present invention B.

In the figure: the device comprises a base plate 1, supporting legs 2, an inner die 3, an outer die 4, a separation cavity 5, a cover plate 6, a screw 7, a nut 8, a pouring port 9, a partition plate 10, a flow guide pipe 11, a pressing block 12, a hanging ring 13, a sealing plug 14, a connecting block 15, a limiting rod 16, a limiting block 17, a fixing plate 18, a spring 19, a lifting hook 20 and a fixing ring 21.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a dry-type transformer pouring mold comprises a bottom plate 1, wherein four corners of the bottom plate 1 are fixedly connected with supporting legs 2, an inner mold 3 is fixedly connected with a center shaft above the bottom plate 1, an outer mold 4 is fixedly connected with a center shaft above the bottom plate 1, the outer mold 4 is positioned outside the inner mold 3, a separation cavity 5 is arranged between the inner mold 3 and the outer mold 4, a partition plate 10 is annularly arranged above the separation cavity 5, two ends of the partition plate 10 are respectively provided with a pouring port 9, the bottoms of the two pouring ports 9 respectively penetrate through the partition plate 10 and extend to the lower side of the partition plate 10, a cover plate 6 is arranged above the bottom plate 1, a lifting hook 20 is arranged on the left side of the bottom of the cover plate 6, a groove is arranged at the bottom of the cover plate 6, the top of the outer mold 4 is contacted with the groove wall, two ends of the, the two screw caps 8 are respectively in threaded connection with the two screw rods 7, the bottoms of the two screw caps 8 are respectively in contact with the cover plate 6, the cover plate 6 is fixed by arranging the screw rods 7 and the screw caps 8, the guide pipe 11 is arranged above the left side of the outer mold 4, the guide pipe 11 is arranged, so that filler can leak when being filled to a certain height, and higher subsequent polishing is not needed, the defects that the height of an injection piece is inaccurate and the end surface is easy to generate surface air holes are overcome, therefore, the injection piece is accurate after being molded in height, materials are saved, the processes are reduced, the air holes and dents are obviously reduced, the surface of the injection piece is smooth and attractive, the guide pipe 11 penetrates through the outer mold 4 and is communicated with the separation cavity 5, the press block 12 is arranged above the left side of the bottom plate 1, the press block 12 is movably connected with the outer mold 4 through a rotating shaft, the left side of the pressing block 12 is fixedly connected with a lifting ring 13, the bottom of the left side of the pressing block 12 is fixedly connected with a connecting block 15, a limiting rod 16 is arranged at the center shaft of the connecting block 15, the limiting rod 16 penetrates through the connecting block 15 and extends to the outside of the connecting block 15, a limiting block 17 is fixedly connected to the bottom of the limiting rod 16, a fixing ring 21 is fixedly connected to the outer surface of the limiting rod 16, the fixing ring 21 is positioned below the connecting block 15, a fixing plate 18 is arranged below the fixing ring 21, the fixing plate 18 is fixedly connected with an outer mold 4, the limiting rod 16 penetrates through the fixing plate 18, a spring 19 is arranged on the outer surface of the limiting rod 16, the top of the spring 19 is contacted with the bottom of the fixing ring 21, the bottom of the spring 19 is contacted with the top of the fixing plate 18, by arranging the pressing block 12, after the sealing plug 14 is plugged into the draft tube 11, the limiting block 17 is loosened, the limiting rod 16 can penetrate through the connecting block 15 under the elastic force of the spring 19, and the pressing block 12 is fixed, so that the separation cavity 5 is sealed, and the pouring quality is guaranteed.

When the sealing plug is used, the filler is added from the pouring port 9 for pouring, the pressing block 12 is opened again, the hose is connected to the guide pipe 11, the redundant filler flows out of the hose through the guide pipe 11 and is collected in a unified mode for recycling, the pressing block 12 is rotated after the filler does not flow, the sealing plug 14 is plugged into the guide pipe 11, the limiting rod 16 can penetrate through the connecting block 15 under the elastic force of the spring 19 through pulling the limiting block 17, and the pressing block 12 is fixed.

In conclusion, the honeycomb duct 11 is arranged, so that the honeycomb duct 11 can leak when the filler is filled to a certain height, the higher subsequent polishing is not needed, the defects that the height of the injected piece is not accurate and the end surface is easy to generate surface air holes are overcome, thereby the height of the injection piece is accurate after molding, the material is saved, the working procedures are reduced, the air hole dents are obviously reduced, the surface of the injection piece is smooth and beautiful, and by arranging the pressing block 12, when the separate cavity 5 is filled, the lifting ring 13 can be hung on the lifting hook 20 to prevent the filler from being attached to the pressing block 12, after the filler does not flow, after the sealing plug 14 is plugged into the draft tube 11 by pulling the limiting block 17 downwards and then rotating the pressing block 12, by loosening the limiting block 17, the limiting rod 16 can penetrate through the connecting block 15 under the elastic force of the spring 19, the pressing block 12 is fixed, so that the separation cavity 5 is sealed, and the pouring quality is guaranteed.

Claims

1. The utility model provides a dry-type transformer casting mold, includes bottom plate (1), its characterized in that: bottom plate (1) top axis department fixedly connected with centre form (3), bottom plate (1) top axis department fixedly connected with external mold (4), external mold (4) are located the centre form (3) outside, separate between centre form (3) and external mold (4) and have and separate chamber (5), it is provided with baffle (10) to separate chamber (5) top annular, bottom plate (1) top is provided with apron (6), respectively fixedly connected with screw rod (7) are equallyd divide at bottom plate (1) top both ends, two screw rod (7) are equallyd divide and are respectively run through apron (6) both ends and extend to apron (6) outside, external mold (4) upper left side is provided with honeycomb duct (11), honeycomb duct (11) run through external mold (4) and with separate chamber (5) intercommunication, bottom plate (1) upper left side is provided with briquetting (12), briquetting (12) right side fixedly connected with sealing plug (14), sealing plug (14) run through honeycomb duct (11) and extend to inside honeycomb duct (11), briquetting (12) left side fixedly connected with rings (13), briquetting (12) left side bottom fixedly connected with connecting block (15), connecting block (15) axis department is provided with gag lever post (16), gag lever post (16) surface fixed connection has solid fixed ring (21), gu fixed ring (21) is located connecting block (15) below, gu fixed ring (21) below is provided with fixed plate (18), fixed plate (18) and external mold (4) fixed connection, gag lever post (16) run through fixed plate (18), gag lever post (16) surface is provided with spring (19), spring (19) top and solid fixed ring (21) bottom contact, spring (19) bottom and fixed plate (18) top contact.

2. A dry-type transformer casting mold according to claim 1, characterized in that: the bottom plate (1) is provided with four corners which are fixedly connected with supporting legs (2).

3. A dry-type transformer casting mold according to claim 1, characterized in that: partition plate (10) both ends are equallyd divide and are provided with sprue gate (9), two sprue gate (9) bottom is equallyd divide and is do not run through partition plate (10) and extend to partition plate (10) below.

4. A dry-type transformer casting mold according to claim 1, characterized in that: the bottom of the cover plate (6) is provided with a groove, and the top of the surface of the outer die (4) is in contact with the wall of the groove.

5. A dry-type transformer casting mold according to claim 1, characterized in that: two screw rod (7) top all is provided with nut (8), two nut (8) are equallyd divide do not with two screw rod (7) threaded connection, two nut (8) bottom is equallyd divide do not contact with apron (6).

6. A dry-type transformer casting mold according to claim 1, characterized in that: the pressing block (12) is movably connected with the outer die (4) through a rotating shaft.

7. A dry-type transformer casting mold according to claim 1, characterized in that: the limiting rod (16) penetrates through the connecting block (15) and extends to the outside of the connecting block (15), and the bottom of the limiting rod (16) is fixedly connected with a limiting block (17).

8. A dry-type transformer casting mold according to claim 1, characterized in that: and a lifting hook (20) is arranged on the left side of the bottom of the cover plate (6).