CN220447031U - Split injection molding mold core of electromagnetic valve inner frame - Google Patents
Split injection molding mold core of electromagnetic valve inner frame Download PDFInfo
- Publication number
- CN220447031U CN220447031U CN202321443513.0U CN202321443513U CN220447031U CN 220447031 U CN220447031 U CN 220447031U CN 202321443513 U CN202321443513 U CN 202321443513U CN 220447031 U CN220447031 U CN 220447031U
- Authority
- CN
- China
- Prior art keywords
- die
- die hole
- hole
- middle die
- core column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A split injection mold core for an electromagnetic valve inner frame, comprising: the middle die is internally provided with a middle die hole, the hole wall of the middle die hole is provided with a convex rib or a groove which is spirally arranged, and the upper side and the lower side of the middle die are respectively provided with a sinking groove which is communicated with the middle die hole and is coaxially arranged; the upper die is provided with an upper die hole, and is arranged on the upper side of the middle die, and the upper die hole and the middle die hole are coaxially arranged; the lower die is provided with a lower die hole, the lower die is arranged at the lower side of the middle die, and the lower die hole and the middle die hole are coaxially arranged; the core column is inserted into the upper die hole, the middle die hole and the lower die hole, the outer diameter of the core column is matched with the apertures of the upper die hole and the lower die hole at the same time, and the outer diameter of the core column is smaller than the aperture of the middle die hole; in the assembled state, the middle die, the upper die, the lower die and the core column jointly form a cavity of the injection molding electromagnetic valve inner frame. The split structure is adopted in the intermediate die, and compared with the integrated structure, the split structure is more convenient for processing the protruding edge or the groove.
Description
Technical Field
The utility model relates to the field of injection molding equipment, in particular to a split type injection molding mold core of an electromagnetic valve inner frame.
Background
The electromagnetic valve inner frame is mainly used for winding copper wires and is generally manufactured by adopting an injection molding process. The prior electromagnetic valve inner frame mainly comprises a cylindrical inner frame main body and annular ear plates formed at two ends of the inner frame main body. When in use, the copper wire is wound on the outer peripheral surface of the inner frame main body. At present, the outer peripheral surface of the inner frame main body is generally of a smooth curved surface structure, and copper wires are wound on the surface of the inner frame main body to easily slip and deviate.
Therefore, in order to solve the defects existing in the prior art, it is necessary to design a split injection mold core of the electromagnetic valve inner frame to solve the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a split injection mold core of an electromagnetic valve inner frame.
To achieve the above and other related objects, the present utility model provides the following technical solutions: a split injection mold core for an electromagnetic valve inner frame, comprising:
the middle die is internally provided with a middle die hole, the hole wall of the middle die hole is provided with a convex ridge or a groove which is spirally arranged, and the upper side and the lower side of the middle die are respectively provided with a sinking groove which is communicated with the middle die hole and is coaxially arranged;
the upper die is provided with an upper die hole, the upper die is arranged on the upper side of the middle die, and the upper die hole and the middle die hole are coaxially arranged;
the lower die is provided with a lower die hole, the lower die is arranged on the lower side of the middle die, and the lower die hole and the middle die hole are coaxially arranged;
the core column is inserted into the upper die hole, the middle die hole and the lower die hole, the outer diameter of the core column is matched with the apertures of the upper die hole and the lower die hole at the same time, and the outer diameter of the core column is smaller than the aperture of the middle die hole;
in the assembled state, the middle die, the upper die, the lower die and the core column jointly form a cavity for injection molding the electromagnetic valve inner frame.
The preferable technical scheme is as follows: the middle die consists of a first middle die and a second middle die, a first semicircular groove is formed in the first middle die, a second semicircular groove is formed in the second middle die, and the middle die hole is formed by splicing the first semicircular groove and the second semicircular groove.
The preferable technical scheme is as follows: a first convex edge or a first groove is arranged in the first semicircular groove, and a second convex edge or a second groove is arranged in the second semicircular groove; the spiral protruding ridge is formed by splicing the first protruding ridge and the second protruding ridge, and the spiral groove is formed by splicing the first groove and the second groove.
The preferable technical scheme is as follows: the core column is formed by splicing a first core column and a second core column, the first core column is inserted into the upper die hole, the outer diameter of the first core column is matched with the aperture of the upper die hole, the second core column is inserted into the lower die hole, and the outer diameter of the second core column is matched with the aperture of the lower die hole.
The preferable technical scheme is as follows: and an injection runner communicated with the cavity is arranged in the upper die.
The preferable technical scheme is as follows: and cooling runners are arranged in the upper die, the middle die and the lower die.
Due to the application of the technical scheme, the utility model has the following beneficial effects:
according to the split type injection molding mold core of the electromagnetic valve inner frame, the spiral ribs or grooves are formed on the inner wall of the mold hole of the middle mold, so that the spiral grooves are formed on the outer peripheral surface of the molded electromagnetic valve inner frame main body, copper wires are convenient to correspond to the grooves during winding, and the copper wires are prevented from being deviated; and the middle die adopts a split structure, and compared with an integrated structure, the split structure is more convenient for processing the convex edges or the grooves.
Drawings
Fig. 1 is a schematic perspective view of a split mold core according to the present utility model.
Fig. 2 is a sectional view of a split mold core according to the present utility model.
Fig. 3 is a schematic perspective view of an intermediate mold according to the present utility model.
Fig. 4 is a schematic perspective view of a second intermediate mold according to the present utility model.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1-5. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
according to one general technical concept of the present utility model, there is provided a split type injection mold core of an electromagnetic valve inner frame, comprising: the middle die 100, the middle die 100 is provided with a middle die hole 110, the hole wall of the middle die hole 110 is formed with a convex ridge or a groove which is arranged in a spiral way, and the upper side and the lower side of the middle die 100 are respectively provided with a sinking groove 120 which is communicated with the middle die hole 110 and is coaxially arranged; an upper die 200, wherein an upper die hole 210 is formed in the upper die 200, the upper die 200 is arranged on the upper side of the middle die 100, and the upper die hole 210 and the middle die hole 110 are coaxially arranged; the lower die 300, there are lower die holes 310 in the lower die 300, the lower die 300 locates the underside of the intermediate die 100, the lower die hole 310 and intermediate die hole 110 are coaxial to arrange; the stem 400 is inserted into the upper die hole 210, the middle die hole 110 and the lower die hole 310, the outer diameter of the stem 400 is matched with the apertures of the upper die hole 210 and the lower die hole 310 at the same time, and the outer diameter of the stem 400 is smaller than the aperture of the middle die hole 110; in the assembled state, the intermediate mold 100, the upper mold 200, the lower mold 300 and the stem 400 together form a cavity of the injection solenoid valve inner frame.
As shown in fig. 3, in the illustrated embodiment, the intermediate mold 100 is composed of a first intermediate mold 101 and a second intermediate mold 102, the first intermediate mold 101 is provided with a first semicircular groove 1011, the second intermediate mold 102 is provided with a second semicircular groove 1021, and the intermediate mold hole 110 is formed by splicing the first semicircular groove 1011 and the second semicircular groove 1021.
As shown in fig. 4 to 5, in the illustrated embodiment, a first ridge or a first groove is provided in the first semicircular groove 1011, and a second ridge or a second groove 10211 is provided in the second semicircular groove 1021; the spiral convex edge is formed by splicing a first convex edge and a second convex edge, and the spiral groove is formed by splicing a first groove and a second groove 10211.
As shown in fig. 1 to 2, in the illustrated embodiment, the stem 400 is formed by combining a first stem 401 and a second stem 402, the first stem 401 is inserted into the upper die hole 210, the outer diameter of the first stem 401 is matched with the aperture of the upper die hole 210, the second stem 402 is inserted into the lower die hole 310, and the outer diameter of the second stem 402 is matched with the aperture of the lower die hole 310.
The upper mold 200 is provided with an injection runner (not shown) that communicates with the cavity. Cooling runners (not shown) are provided in each of the upper mold 200, the intermediate mold 100, and the lower mold 300.
Therefore, the utility model has the following advantages:
according to the split type injection molding mold core of the electromagnetic valve inner frame, the spiral ribs or grooves are formed on the inner wall of the mold hole of the middle mold, so that the spiral grooves are formed on the outer peripheral surface of the molded electromagnetic valve inner frame main body, copper wires are convenient to correspond to the grooves during winding, and the copper wires are prevented from being deviated; and the middle die adopts a split structure, and compared with an integrated structure, the split structure is more convenient for processing the convex edges or the grooves.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (6)
1. A split injection mold core for an electromagnetic valve inner frame, comprising:
the middle die is internally provided with a middle die hole, the hole wall of the middle die hole is provided with a convex ridge or a groove which is spirally arranged, and the upper side and the lower side of the middle die are respectively provided with a sinking groove which is communicated with the middle die hole and is coaxially arranged;
the upper die is provided with an upper die hole, the upper die is arranged on the upper side of the middle die, and the upper die hole and the middle die hole are coaxially arranged;
the lower die is provided with a lower die hole, the lower die is arranged on the lower side of the middle die, and the lower die hole and the middle die hole are coaxially arranged;
the core column is inserted into the upper die hole, the middle die hole and the lower die hole, the outer diameter of the core column is matched with the apertures of the upper die hole and the lower die hole at the same time, and the outer diameter of the core column is smaller than the aperture of the middle die hole;
in the assembled state, the middle die, the upper die, the lower die and the core column jointly form a cavity for injection molding the electromagnetic valve inner frame.
2. The split injection mold core of a solenoid valve inner housing of claim 1, wherein: the middle die consists of a first middle die and a second middle die, a first semicircular groove is formed in the first middle die, a second semicircular groove is formed in the second middle die, and the middle die hole is formed by splicing the first semicircular groove and the second semicircular groove.
3. A split injection mold core for an electromagnetic valve inner frame according to claim 2, characterized in that: a first convex edge or a first groove is arranged in the first semicircular groove, and a second convex edge or a second groove is arranged in the second semicircular groove; the first ribs and the second ribs are spliced to form spiral ribs, and the first grooves and the second grooves are spliced to form spiral grooves.
4. The split injection mold core of a solenoid valve inner housing of claim 1, wherein: the core column is formed by splicing a first core column and a second core column, the first core column is inserted into the upper die hole, the outer diameter of the first core column is matched with the aperture of the upper die hole, the second core column is inserted into the lower die hole, and the outer diameter of the second core column is matched with the aperture of the lower die hole.
5. The split injection mold core of a solenoid valve inner housing of claim 1, wherein: and an injection runner communicated with the cavity is arranged in the upper die.
6. The split injection mold core of a solenoid valve inner housing of claim 1, wherein: and cooling runners are arranged in the upper die, the middle die and the lower die.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321443513.0U CN220447031U (en) | 2023-06-07 | 2023-06-07 | Split injection molding mold core of electromagnetic valve inner frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321443513.0U CN220447031U (en) | 2023-06-07 | 2023-06-07 | Split injection molding mold core of electromagnetic valve inner frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220447031U true CN220447031U (en) | 2024-02-06 |
Family
ID=89733513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321443513.0U Active CN220447031U (en) | 2023-06-07 | 2023-06-07 | Split injection molding mold core of electromagnetic valve inner frame |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220447031U (en) |
-
2023
- 2023-06-07 CN CN202321443513.0U patent/CN220447031U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2275728A1 (en) | Electric control valve and valve body device thereof | |
CN104425119A (en) | Transformer | |
CN220447031U (en) | Split injection molding mold core of electromagnetic valve inner frame | |
CN112366494B (en) | Method for manufacturing connector and connector thereof | |
US10707608B2 (en) | Power interface, mobile terminal, and method for manufacturing power interface | |
JP2003068531A (en) | Inductor, and method of manufacturing the same | |
CN210899357U (en) | Voice coil motor with guide pillar structure | |
JP3772716B2 (en) | Molded terminal block and manufacturing method thereof | |
CA1147408A (en) | Fly-back transformer | |
CN208315791U (en) | Micro coaxial cable connector assembly | |
JPH11144975A (en) | Transformer fro supplying power to high frequency heating coil | |
CN216389794U (en) | Connector embedded with conduction piece | |
CN212257124U (en) | Inductor | |
CN220022451U (en) | Motor with insulating framework | |
JPH10188943A (en) | Storage battery terminal and its manufacture | |
JPH08203753A (en) | Coil bobbin | |
CN220291125U (en) | Electric connector | |
JPH11273933A (en) | Bobbin for coil and method for molding the same | |
CN219144564U (en) | Cable connector and connector assembly | |
JP5877300B2 (en) | Coil parts manufacturing method | |
JPH0349380Y2 (en) | ||
CN219800622U (en) | Magnetic device | |
CN214013958U (en) | Stator frame, stator unit and stepping motor thereof | |
CN218159989U (en) | Winding gear of three-dimensional wound core transformer and winding machine | |
CN219227313U (en) | Connecting terminal structure of motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |