CN214848162U

CN214848162U - Pouring mold of pouring type current transformer

Info

Publication number: CN214848162U
Application number: CN202121120325.5U
Authority: CN
Inventors: 崔广磊; 牛锐鹏; 李永超
Original assignee: Henan Shizhan Electric Power Technology Co ltd
Current assignee: Henan Shizhan Electric Power Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-23
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a pouring type current transformer's casting mold, including the left mould and the right mould of two vertical relative settings, mutual lock formation has the casting mold body of inner chamber structure between left mould and the right mould, this internal bottom joint of casting mold has protruding mold core, protruding mold core and left mould and right mould form the mould die cavity that is used for the current transformer shaping jointly, the vertical cross-section of protruding mold core is the echelonment, the pouring passageway of intercommunication mould die cavity has been seted up in the casting mold body of the lower one side top of protruding mold core echelonment, pouring passageway one end extends to casting mold body bottom and mould die cavity intercommunication, the top surface that the pouring passageway other end extends to the casting mold body is the sprue gate, the utility model discloses be convenient for discharge this internal gas of casting mold to improve current transformer shaping quality.

Description

Pouring mold of pouring type current transformer

Technical Field

The utility model belongs to the technical field of the casting mold, especially, relate to a casting mold of pouring type current transformer.

Background

Fig. 5 is a schematic structural diagram of a pouring mold of an existing current transformer, and at present, when the pouring mold is used, pouring liquid is usually poured into a mold cavity through an opening in a top surface of the pouring mold, that is, the top end of the mold cavity, by using a manual or pouring machine, but in this pouring manner, the pouring liquid is poured from top to bottom in an actual pouring process, which is not convenient for discharging gas in the pouring mold, and especially, when the pouring liquid is filled to two thirds of the mold cavity, it is more difficult for discharging gas in the pouring mold, so that quality defects such as air holes, cavities or loose tissues and the like of the current transformer are caused, and therefore, defects and shortcomings still exist in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pouring type current transformer's casting mold solves current transformer casting mold at the pouring in-process, because of being not convenient for with the gas outgoing in the casting mold, will cause current transformer quality defect's problem.

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides a pouring type current transformer's casting mold, includes left mould and the right mould of two vertical relative settings, mutual lock formation has the casting mold body of inner cavity structure between left side mould and the right mould, its characterized in that: the bottom in the casting mold body is clamped with a convex mold core, the left mold and the right mold jointly form a mold cavity for forming the current transformer, the vertical section of the convex mold core is in a step shape, a casting channel communicated with the mold cavity is arranged in the casting mold body above the lower side of the step shape of the convex mold core, one end of the casting channel extends to the bottom of the casting mold body and is communicated with the mold cavity, and the other end of the casting channel extends to the top surface of the casting mold body and is a pouring gate.

Furthermore, the pouring channel is a combined channel and comprises a left pouring channel and a right pouring channel, the left pouring channel is arranged on the inner surface of the left die, the right pouring channel is arranged on the inner surface of the right die, and the left pouring channel and the right pouring channel form the pouring channel together after the left die and the right die are buckled.

Furthermore, the pouring gate is in a shape of a truncated cone with a wide top and a narrow bottom.

Furthermore, the die comprises a horizontally arranged base, a second groove matched with the bottom surface of the male die core in shape is formed in the top surface of the base, the top of the male die core is exposed out of the second groove, four corners of the male die core are connected with the base through locking bolts, and the left die and the right die are respectively and oppositely arranged on the base after being clamped with the male die core.

Furthermore, the four corners of the inner surface of the right die are provided with inserting holes, and the four corners of the inner surface of the left die are provided with inserting rods matched with the shapes of the inserting holes.

Furthermore, first grooves are formed in two opposite side faces of the right die.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a set up left side mould, right side mould and protruding mold core can form the fashioned mould die cavity that is used for current transformer, the effect of protruding mold core lies in when current transformer shaping, form the groove structure who is used for placing the data plate in the current transformer bottom surface, and through the pouring channel who sets up intercommunication mould die cavity on the pouring mold body, when using, pouring fluid is injected into to the mould die cavity through the sprue gate of pouring channel, pouring fluid flows to the bottom position of pouring mold body along the pouring channel by supreme packing in mould die cavity down, thereby be convenient for with this internal gas outgoing of pouring mold, and then improve current transformer shaping quality.

Drawings

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

FIG. 2 is a schematic structural view of the left mold of the present invention;

FIG. 3 is a schematic view of the connection structure of the base, the right mold and the male mold core of the present invention;

fig. 4 is a schematic structural view of the base of the present invention;

fig. 5 is a schematic structural diagram of a casting mold of a current transformer in the prior art.

Reference numerals: 1. a left die; 11. a plug rod; 12. a left support column; 2. a right die; 21. inserting holes; 22. a first groove; 23. a right support column; 3. a male mold core; 4. pouring a channel; 41. a pouring gate; 42. a left pouring channel; 43. a right pouring channel; 5. a base; 51. a second groove; 6. and (4) forming a mold cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model provides a casting mold of a casting type current transformer, which comprises a left mold 1 and a right mold 2 which are vertically arranged oppositely, the left mold 1 and the right mold 2 are mutually buckled to form a casting mold body with an inner cavity structure, a convex mold core 3 is clamped at the bottom in the casting mold body, the convex mold core 3, the left mold 1 and the right mold 2 together form a mold cavity 6 for current transformer molding, the vertical section of the convex mold core 3 is in a ladder shape, a casting channel 4 communicated with the mold cavity 6 is arranged on the casting mold body above the lower ladder shape side of the convex mold core 3, one end of the casting channel 4 extends to the bottom of the casting mold body and is communicated with the mold cavity 6, the other end of the casting channel 4 extends to the top surface of the casting mold body to form a sprue gate 41, the mold cavity 6 for current transformer molding can be formed by arranging the left mold 1, the right mold 2 and the convex mold core 3, the effect of male mold core 3 lies in when the current transformer shaping, form the groove structure who is used for placing the data plate in the current transformer bottom surface, and through set up the pouring channel 4 that communicates mould cavity 6 on the pouring mold body, when using, pour into the casting liquid in pouring gate 41 through pouring channel 4 pours into mould cavity 6, the bottom position of pouring liquid along pouring channel 4 flow direction pouring mold body is by supreme filling in mould cavity 6 down, thereby be convenient for with this internal gas outgoing of pouring mold, and then improve current transformer shaping quality.

Further, as shown in fig. 1 to 3, the pouring channel 4 has the following specific structure: the pouring channel 4 is a combined channel, the pouring channel 4 comprises a left pouring channel 42 and a right pouring channel 43, the left pouring channel 42 is arranged on the inner surface of the left die 1, the right pouring channel 43 is arranged on the inner surface of the right die 2, and the left pouring channel 42 and the right pouring channel 43 form the pouring channel 4 together after the left die 1 and the right die 2 are buckled.

Further, as shown in fig. 1 to 3, the pouring gate 41 is in a truncated cone shape with a wide top and a narrow bottom, and thus, the pouring liquid is conveniently poured into the pouring channel 4 through the pouring gate 41.

Further, as shown in fig. 1, 3 and 4, it further includes a horizontally disposed base 5, a second groove 51 adapted to the bottom surface of the male mold core 3 is formed on the top surface of the base 5, the top of the male mold core 3 is exposed out of the second groove 51, four corners of the male mold core 3 are connected to the base 5 by locking bolts, the locking bolts are not shown in the figure, the left mold 1 and the right mold 2 are respectively clamped to the male mold core 3 and then are oppositely disposed on the base 5, specifically, when assembling the casting mold body, first, the bottom of the male mold core 3 is placed in the second groove 51 and the position of the male mold core 3 is fixed by the locking bolts, at this time, the position of the male mold core 3 is fixed to play a positioning role, then, the position of the right mold 2 is horizontally moved to lock the bottom of the right mold 2 to the male mold core 3 to fix the position of the right mold 2, and finally, the position of the left mold 1 is horizontally moved to insert the insertion rod 11 on the left mold 1 into the insertion hole 21 until the bottom of the left mold 1 is locked to the male mold core 3 and forms the casting mold with the right mold 2 The body, through such mode of setting, the casting mold body of being convenient for assemble if need be fixed base 5's position, can be at the vertical installation through-hole of seting up in 5 top surfaces four corners of base 5 with base 5 fixed subaerial.

Further, as shown in fig. 2 and 3, the specific way of buckling the left mold 1 and the right mold 2 is as follows: spliced eye 21 has all been seted up to the internal surface four corners of right mould 2, and the internal surface four corners homogeneous phase of left mould 1 is provided with relatively the spliced pole 11 with spliced eye 21 shape adaptation, through setting up spliced pole 11 and spliced eye 21 with left mould 1 and right mould 2 lock.

Further, as shown in fig. 1 and fig. 3, first grooves 22 have been all seted up on two opposite sides of right mould 2, and first groove 22 is provided to be convenient for with left mould 1 and right mould 2 separation after the current transformer shaping.

Further, the use process of the present invention is explained in detail: as shown in fig. 1 to 4, a left support pillar 12 is disposed on the left mold 1, a right support pillar 23 is disposed on the right mold 2, the left support pillar 12 and the right support pillar 23 are used for fixing the position of the transformer coil, specifically, when in use, the position of the base 5 is firstly fixed, the position of the convex mold core 3 on the base 5 is then fixed, then, the position of the right mold 2 is horizontally moved to lock the bottom of the right mold 2 with the convex mold core 3 to fix the position of the right mold 2, then, the transformer coil is sleeved on the right support pillar 23 through a sheath, finally, the position of the left mold 1 is horizontally moved to insert the insertion rod 11 on the left mold 1 into the insertion hole 21 until the bottom of the left mold 1 is locked with the convex mold core 3 and forms a casting mold body with the right mold 2, at this time, the left support pillar 12 is also inserted into the transformer coil to cooperate with the right support pillar 23 to fix the position of the transformer coil, the left casting channel 42 and the right casting channel 43 also form a casting channel 4 together, thereby completing the assembly of the casting die body for casting; after the current transformer is molded and cured, firstly horizontally moving the left die 1 away, then horizontally moving the right die 2, and finally hoisting the molded current transformer to a certain height to complete the demolding of the current transformer.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. The utility model provides a pouring type current transformer's casting mold, includes left mould and the right mould of two vertical relative settings, mutual lock formation has the casting mold body of inner cavity structure between left side mould and the right mould, its characterized in that: the bottom in the casting mold body is clamped with a convex mold core, the left mold and the right mold jointly form a mold cavity for forming the current transformer, the vertical section of the convex mold core is in a step shape, a casting channel communicated with the mold cavity is arranged in the casting mold body above the lower side of the step shape of the convex mold core, one end of the casting channel extends to the bottom of the casting mold body and is communicated with the mold cavity, and the other end of the casting channel extends to the top surface of the casting mold body and is a pouring gate.

2. The casting mold of a cast current transformer according to claim 1, wherein: the pouring channel is a combined channel and comprises a left pouring channel and a right pouring channel, the left pouring channel is arranged on the inner surface of the left die, the right pouring channel is arranged on the inner surface of the right die, and the left pouring channel and the right pouring channel form the pouring channel together after the left die and the right die are buckled.

3. The casting mold of a cast current transformer according to claim 2, wherein: the pouring gate is in a circular truncated cone shape with a wide top and a narrow bottom.

4. The casting mold of a cast current transformer according to claim 1, wherein: the novel die is characterized by further comprising a horizontally arranged base, a second groove matched with the bottom surface of the male die core in shape is formed in the top surface of the base, the top of the male die core is exposed out of the second groove, the four corners of the male die core are connected with the base through locking bolts, and the left die and the right die are arranged on the base relatively after being clamped with the male die core respectively.

5. The casting mold of a cast current transformer according to claim 1, wherein: the four corners of the inner surface of the right die are provided with splicing holes, and the four corners of the inner surface of the left die are provided with splicing rods matched with the shapes of the splicing holes.

6. The casting mold of a cast current transformer according to claim 1, wherein: first grooves are formed in two opposite side faces of the right die.