CN215434851U

CN215434851U - Rapid forming die for electronic transformer inverter shell

Info

Publication number: CN215434851U
Application number: CN202121794382.1U
Authority: CN
Inventors: 王银昌; 阮宜霞; 郭万里; 王魁
Original assignee: Hefei Longhua Mould Co ltd
Current assignee: Hefei Longhua Precision Plastic Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-07
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a rapid forming die for an inverter shell of an electronic transformer, and relates to the technical field of transformer shell processing. The on-line screen storage device comprises a base, U type mounting panel, outer mould and interior mould, outer mould is the ascending cavity square column of opening, outer mould bottom is connected through coupling mechanism with the base, interior mould includes bellmouth and central zone under the bellmouth, the bellmouth lower extreme outside is provided with the closing plate, closing plate and outer mould inner wall sliding connection, the rotation of the inside upper end both sides of bellmouth is connected with the threaded rod, the inside both ends symmetry of central zone is provided with the connecting plate, the threaded rod runs through the connecting plate upper end, and threaded rod both ends screw thread is symmetrical, set up a plurality of logical grooves on the wall of central zone both sides, the connecting plate sets up a plurality of inserts that correspond. The utility model overcomes the defects of the prior art, has reasonable design and convenient use, can effectively and directly arrange the mounting hole on the shell in the molding stage, improves the processing efficiency and prevents the shell from being damaged.

Description

Rapid forming die for electronic transformer inverter shell

Technical Field

The utility model relates to the technical field of transformer shell processing, in particular to a rapid forming die for an inverter shell of an electronic transformer.

Background

An electronic transformer is provided with an electronic device for converting alternating voltage of commercial power into direct current and then forming high-frequency alternating voltage output through a semiconductor switching device, an electronic element and a high-frequency transformer winding.

The preparation of traditional electronic transformer shell adopts injection mold to carry out the shaping mostly, and the shell after the back is to the shaping sets up that punches a hole again, makes things convenient for later stage equipment, and this type of forming means often can cause the shell to damage at the in-process that punches a hole, reduces the yield of shell production, simultaneously very big increase the time of shell production, influence production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a punched hole is easy to damage after an electronic transformer shell is formed in the prior art, and provides a rapid forming die for an inverter shell of an electronic transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rapid forming die for an electronic transformer inverter shell comprises a base, a U-shaped mounting plate arranged above the base, an outer die arranged below the U-shaped mounting plate and an inner die inside the outer die, wherein the outer die is in a hollow square column shape with an upward opening, the bottom of the outer die is connected with the base through a connecting mechanism, the inner die comprises an upper convex opening arranged above, a lower convex opening arranged below and a central layer between the upper convex opening and the lower convex opening, a sealing plate is arranged on the outer side of the lower end of the upper convex opening and is in sliding connection with the inner wall of the outer die, an injection molding opening is formed in the sealing plate, the upper end of the upper convex opening is connected with a cylinder telescopic end at the top end of the U-shaped mounting plate, threaded rods are rotatably connected to two sides of the upper end inside of the upper convex opening, one end of each threaded rod penetrates through the upper convex opening to be connected with an external rotating handle, and connecting plates are symmetrically arranged at two ends inside the central layer, and the threaded rod runs through the upper end of the connecting plate and is in threaded connection with the connecting plate, threads at two ends of the threaded rod are symmetrical, the top end of the connecting plate is in sliding connection with the top wall of the upper convex opening, a plurality of through grooves are formed in two side walls of the central layer, a plurality of corresponding insert blocks are arranged at positions, close to the side walls of the central layer, of the connecting plate, and the insert blocks are inserted into the through grooves and are in sliding connection with the inner walls of the through grooves.

Preferably, the connecting mechanism comprises a placing groove formed in the upper portion of the base and a placing plate arranged in the placing groove, the placing plate is connected with the bottom of the placing groove through a plurality of extrusion elastic pieces, a pressure sensor is arranged in the center of the bottom of the placing groove, and the outer die is placed above the placing plate.

Preferably, the center of the bottom of the outer die is provided with an annular slot, the periphery of the outside of the annular slot is provided with a threaded convex block, the bottom of the lower convex opening is in an opening shape, and the bottom of the lower convex opening is inserted into the annular slot and is connected with the annular slot in a sliding manner.

Preferably, go up notch top central authorities and be provided with the division board, and the threaded rod runs through the division board, and two connecting plates set up respectively in the threaded rod both sides, and the lower notch inside is provided with the guide bar down, the guide bar runs through two connecting plate lower extremes and is fixed mutually with lower notch both sides, and connecting plate and guide bar sliding connection.

Preferably, the outside cover of inserted block is equipped with the one deck rubber sleeve, and the rubber sleeve extrudees each other with the logical groove of the inside one end in middle level.

Preferably, a water cooling layer is arranged in the peripheral side wall of the outer die, a water inlet is formed in the upper end of one side of the water cooling layer, and a water outlet is formed in the upper end of the other side of the water cooling layer.

Compared with the prior art, the utility model provides a rapid forming die for an inverter shell of an electronic transformer, which has the following beneficial effects:

1. through the arrangement of the outer die, the upper convex opening, the lower convex opening, the central layer, the through groove, the inserting block, the connecting plate, the threaded rod, the rotating handle, the partition plate and the guide rod, necessary mounting holes of the shell are directly formed through the arrangement of the inserting block and the through groove in the injection molding stage, and meanwhile, the inserting block retracts by adjusting the rotation of the threaded rod, so that the demolding is facilitated, and the shell molding efficiency is improved;

2. through cylinder, standing groove, place board, extrusion elastic component, pressure sensors's setting and confirm the compactness that the mould is connected, make things convenient for moulding plastics in later stage to the drawing of patterns of being convenient for promotes production efficiency.

The device has the advantages that the design is reasonable, the use is convenient, the mounting holes can be effectively and directly arranged on the shell in the forming stage, the processing efficiency is improved, and the shell is prevented from being damaged.

Drawings

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

FIG. 2 is a schematic structural view of an outer mold according to the present invention;

FIG. 3 is a schematic top sectional view of the outer mold of the present invention;

FIG. 4 is a schematic structural view of an inner mold according to the present invention;

FIG. 5 is a schematic top view of the inner mold of the present invention.

In the figure: 1. a base; 2. a U-shaped mounting plate; 3. a cylinder; 4. an outer mold; 5. an inner mold; 6. a placement groove; 7. placing the plate; 8. extruding the elastic member; 9. a pressure sensor; 10. a water-cooling layer; 11. a water inlet; 12. a water outlet; 13. a threaded projection; 14. an annular slot; 15. an upper convex opening; 16. a lower convex opening; 17. a central layer; 18. a sealing plate; 19. an injection molding port; 20. a through groove; 21. inserting a block; 22. a rubber sleeve; 23. a connecting plate; 24. a threaded rod; 25. rotating the handle; 26. a partition plate; 27. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, a rapid forming mold for an inverter housing of an electronic transformer comprises a base 1, a U-shaped mounting plate 2 arranged above the base 1, an outer mold 4 arranged below the U-shaped mounting plate 2, and an inner mold 5 arranged inside the outer mold 4, wherein the outer mold 4 is in a hollow square column shape with an upward opening, the bottom of the outer mold 4 is connected with the base 1 through a connecting mechanism, the inner mold 5 comprises an upper convex opening 15 arranged above, a lower convex opening 16 arranged below, and a central layer 17 between the upper convex opening 15 and the lower convex opening 16, a sealing plate 18 is arranged on the outer side of the lower end of the upper convex opening 15, the sealing plate 18 is connected with the inner wall of the outer mold 4 in a sliding manner, an injection molding opening 19 is arranged on the sealing plate 18, the upper end of the upper convex opening 15 is connected with the telescopic end of a cylinder 3 at the top end of the U-shaped mounting plate 2, and both sides of the upper end inside the upper convex opening 15 are rotatably connected with a threaded rod 24, and threaded rod 24 one end is passed last tang 15 and is connected with outside rotation handle 25, and the inside both ends symmetry of centre layer 17 is provided with connecting plate 23, and threaded rod 24 runs through connecting plate 23 upper end and connecting plate 23 threaded connection, and threaded rod 24 both ends screw thread is symmetrical, connecting plate 23 top and last tang 15 roof sliding connection, set up a plurality of logical grooves 20 on the wall of centre layer 17 both sides, connecting plate 23 is close to centre layer 17 lateral wall department and is provided with a plurality of inserted blocks 21 that correspond, inserted block 21 insert in logical groove 20 with logical groove 20 inner wall sliding connection.

In order to facilitate monitoring of the tightness of the die installation, preferably, the connecting mechanism comprises a placing groove 6 formed above the base 1 and a placing plate 7 arranged inside the placing groove 6, the placing plate 7 is connected with the bottom of the placing groove 6 through a plurality of extrusion elastic pieces 8, a pressure sensor 9 is arranged in the center of the bottom of the placing groove 6, and the outer die 4 is placed above the placing plate 7.

In order to improve the connection tightness between the outer mold 4 and the inner mold 5 and to directly set a threaded hole on the housing, preferably, the center of the bottom of the outer mold 4 is provided with an annular slot 14, the periphery of the outside of the annular slot 14 is provided with a threaded projection 13, the bottom of the lower convex opening 16 is open, and the bottom of the lower convex opening 16 is inserted into the annular slot 14 and is connected with the annular slot 14 in a sliding manner.

In order to improve the stability of the movement of the connecting plates 23, it is preferable that a partition plate 26 is disposed at the top center of the upper protruding opening 15, the threaded rod 24 penetrates through the partition plate 26, the two connecting plates 23 are disposed on two sides of the threaded rod 24, a guide rod 27 is disposed inside the lower protruding opening 16, the guide rod 27 penetrates through the lower ends of the two connecting plates 23 and is fixed to two side walls of the lower protruding opening 16, and the connecting plates 23 are slidably connected with the guide rod 27.

In order to improve the sealing performance of the connection between the insertion block 21 and the through groove 20 and prevent the raw material from entering the inner mold 5 during injection molding, preferably, the outer sleeve of the insertion block 21 is provided with a layer of rubber sleeve 22, and the rubber sleeve 22 and the through groove 20 at one end inside the central layer 17 are mutually extruded.

In order to rapidly cool the injection molding part and improve the processing efficiency, preferably, the peripheral side wall of the outer mold 4 is provided with a water cooling layer 10, the upper end of one side of the water cooling layer 10 is provided with a water inlet 11, and the upper end of the other side is provided with a water outlet 12.

The working principle is as follows: during the use, start cylinder 3 and push interior mould 5 in outer mould 4, simultaneously lower bellmouth 16 bottom inserts in the annular slot 14, closing plate 18 seals outer mould 4 upper end, back rotation rotates handle 25, make connecting plate 23 drive inserted block 21 pass through logical groove 20 and the extrusion of outer mould 4 inside lateral wall, and inject the raw materials into through injection molding mouth 19 to outer mould 4 inside after pressure sensors 9 senses corresponding pressure, be connected the water pipe with water inlet 11 and delivery port 12 after the raw materials is injected into, the shaping is to the raw materials cooling shaping in the mould, close cylinder 3 after the shaping is accomplished, fashioned shell rises together with interior mould 5 and breaks away from with outer mould 4, back regulation rotates handle 25, make inserted block 21 retract to interior mould 5 in, peel off interior mould 5 with the shell, obtain the shaping and possess the shell of mounting hole.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a quick forming die for electronic transformer contravariant shell, includes base (1), outer mould (4) and the inside interior mould (5) of outer mould (4) that U type mounting panel (2), U type mounting panel (2) below that base (1) top set up, its characterized in that: the outer die (4) is in a hollow square column shape with an upward opening, the bottom of the outer die (4) is connected with the base (1) through a connecting mechanism, the inner die (5) comprises an upper convex opening (15) arranged above, a lower convex opening (16) arranged below and a central layer (17) between the upper convex opening (15) and the lower convex opening (16), a sealing plate (18) is arranged on the outer side of the lower end of the upper convex opening (15), the sealing plate (18) is in sliding connection with the inner wall of the outer die (4), an injection molding opening (19) is formed in the sealing plate (18), the upper end of the upper convex opening (15) is connected with the telescopic end of a cylinder (3) at the top end of the U-shaped mounting plate (2), two sides of the inner upper end of the upper convex opening (15) are rotatably connected with a threaded rod (24), and one end of the threaded rod (24) penetrates through the upper convex opening (15) to be connected with an external rotating handle (25), and the inside both ends symmetry of middle level (17) is provided with connecting plate (23), and threaded rod (24) run through connecting plate (23) upper end and connecting plate (23) threaded connection, and threaded rod (24) both ends screw thread is symmetrical, connecting plate (23) top and last tang (15) roof sliding connection, set up a plurality of logical grooves (20) on middle level (17) both sides wall, connecting plate (23) are close to middle level (17) lateral wall department and are provided with a plurality of inserted blocks (21) that correspond, inserted block (21) insert in leading groove (20) with lead to groove (20) inner wall sliding connection.

2. The rapid prototyping die for electronic transformer inverter housing as defined in claim 1, wherein the connecting mechanism comprises a placing groove (6) formed above the base (1) and a placing plate (7) arranged inside the placing groove (6), the placing plate (7) is connected with the bottom of the placing groove (6) through a plurality of extrusion elastic members (8), a pressure sensor (9) is arranged in the center of the bottom of the placing groove (6), and the outer die (4) is placed above the placing plate (7).

3. The rapid forming die for the inverter housing of the electronic transformer according to claim 1, wherein an annular slot (14) is formed in the center of the bottom of the outer die (4), a threaded protrusion (13) is formed around the outside of the annular slot (14), the bottom of the lower flange (16) is open, and the bottom of the lower flange (16) is inserted into the annular slot (14) and is slidably connected with the annular slot (14).

4. The rapid forming die for the inverter housing of the electronic transformer as claimed in claim 1, wherein a separation plate (26) is disposed at the top center of the upper protruding opening (15), the threaded rod (24) penetrates through the separation plate (26), the two connecting plates (23) are disposed at two sides of the threaded rod (24), a guide rod (27) is disposed inside the lower protruding opening (16), the guide rod (27) penetrates through the lower ends of the two connecting plates (23) and is fixed to two side walls of the lower protruding opening (16), and the connecting plates (23) are slidably connected to the guide rod (27).

5. The rapid prototyping die for electronic transformer inverter housing as set forth in claim 1 wherein a rubber sleeve (22) is sleeved outside the insert block (21), and the rubber sleeve (22) and the through groove (20) at one end inside the central layer (17) are extruded with each other.

6. The rapid prototyping die for electronic transformer inverter housing as claimed in claim 1, wherein a water cooling layer (10) is disposed in the peripheral side wall of the outer die (4), a water inlet (11) is disposed at an upper end of one side of the water cooling layer (10), and a water outlet (12) is disposed at an upper end of the other side of the water cooling layer.