KR20170001811U - Sealing Member for Cooling Water Passage of Mold - Google Patents

Sealing Member for Cooling Water Passage of Mold Download PDF

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Publication number
KR20170001811U
KR20170001811U KR2020150007430U KR20150007430U KR20170001811U KR 20170001811 U KR20170001811 U KR 20170001811U KR 2020150007430 U KR2020150007430 U KR 2020150007430U KR 20150007430 U KR20150007430 U KR 20150007430U KR 20170001811 U KR20170001811 U KR 20170001811U
Authority
KR
South Korea
Prior art keywords
cooling water
bolt member
water flow
body portion
flow path
Prior art date
Application number
KR2020150007430U
Other languages
Korean (ko)
Inventor
김용국
Original Assignee
김용국
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김용국 filed Critical 김용국
Priority to KR2020150007430U priority Critical patent/KR20170001811U/en
Publication of KR20170001811U publication Critical patent/KR20170001811U/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725—Manifolds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725—Manifolds
    • B29C2045/2733—Inserts, plugs, bushings

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

According to an aspect of the present invention, there is provided a cooling water flow path stopper for a metal mold, comprising a first body portion, a second body portion extending toward one side of the first body portion and having a smaller diameter than the first body portion, A nut type body having a body portion; A bolt member having a shaft having a male screw portion formed on an outer surface thereof so as to be screwed to the female screw portion of the nut type body and a head having a diameter larger than the diameter of the shaft at an end portion of the shaft; An O-ring which is seated on one side of the nut-type main body and is elastically deformed when the bolt member is pressed; A pressing member for transmitting a pressing force of the bolt member in the O-ring direction; And a snap ring for transmitting a pressing force of the bolt member to the pressing member, wherein a wrench groove is formed in the head of the bolt member, a screw thread is formed below the wrench groove, .

Description

Sealing Member for Cooling Water Passage of Mold

The present invention relates to a cooling water flow path stopper for a metal mold, and more particularly to a cooling water flow path stopper for a metal mold which can be easily installed or dismantled at a deep position of a cooling water flow path of a metal mold.

In general, the injection mold operation uses various molds depending on the product, and heat is generated in the process of molding the product.

If the heat generated in the mold is not cooled sufficiently, there arises a problem that the product is stuck to the mold. In order to solve such a problem, a cooling water passage is formed in the mold and cooling water is supplied through the cooling water passage Respectively.

The cooling water flow path is formed to have a plurality of openings on the surface of the mold. One of the openings (selected in accordance with the shape of the mold product) maintains the open state as an inlet and an outlet for circulating cooling water through the cooling water flow path, And is sealed by a cooling water flow passage stopper.

A cooling water flow stopper for a mold used for this purpose is disclosed in Korean Patent Registration No. 20-0456158.

In the case of the cooling water flow path stopper of the metal mold disclosed in the above document, the sealing between the outer surface of the female stopper portion and the inner circumferential surface of the cooling water flow path can be increased, and the metal cooling water flow path stopper can be easily installed in or separated from the metal mold . However, the cooling water flow path stopper of the mold disclosed in this document has a problem that it is not easy to install or disassemble the cooling water flow path stopper at a deep position of the cooling water flow path.

Therefore, there is a need to provide a new cooling water flow path stopper in which a cooling water flow path stopper is provided at a deep position of the cooling water flow path or is easily disassembled.

Korea Patent Office Registration No. 20-0456158

The object of the present invention is to provide a cooling water flow path stopper for a metal mold which can be easily installed or dismantled at a deep position of the cooling water flow path of the metal mold.

The object of the present invention can be achieved by providing a nut type body having a female screw portion on an inner surface thereof and having a first body portion and a second body portion extending to one side of the first body portion and having a smaller diameter than the first body portion; A bolt member having a shaft having a male screw portion formed on an outer surface thereof so as to be screwed to the female screw portion of the nut type body and a head having a diameter larger than the diameter of the shaft at an end portion of the shaft; An O-ring which is seated on one side of the nut-type main body and is elastically deformed when the bolt member is pressed; A pressing member for transmitting a pressing force of the bolt member in the O-ring direction; And a snap ring for transmitting a pressing force of the bolt member to the pressing member, wherein a wrench groove is formed in the head of the bolt member, a screw thread is formed below the wrench groove, Is formed on the outer peripheral surface of the mold.

A first tapered portion may be formed on the outer surface of the bolt member, and a second tapered portion guided by the first tapered portion may be formed on the inner surface of the pressing member.

According to the present invention, a cooling water flow path stopper of a mold that can be easily installed or dismantled at a deep position of the cooling water flow path of the mold can be provided.

1 is a perspective view of a cooling water flow path stopper of a mold according to an embodiment of the present invention;
Fig. 2 is an exploded perspective view of Fig. 1,
FIG. 3A is a cross-sectional view of FIG. 1, showing an initial state,
Fig. 3B is a cross-sectional view showing a state in which it is installed in a cooling water passage of a metal mold.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

Fig. 1 is a perspective view of a cooling water flow path stopper according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of Fig. 1, Fig.

Referring to these figures, the cooling water flow path stopper 100 of the mold of this embodiment is hermetically coupled to the cooling water passage in the mold to prevent the cooling water, for example, from flowing out to the end of the cooling water flow path P, A bolt member 120, an O-ring 130, a pressing member 140, and a snap ring 150. The O-

The nut type body 110 is coupled to the bolt member 120 while interposing other components. The nut type body 110 has a female screw part 113 formed on the inner surface thereof and includes a first body part 111, And a second body part 112 extending to one side of the first body part 111 and having a smaller diameter than the first body part 111.

The first body portion 111 of the nut type body 110 has a diameter corresponding to the diameter of the cooling water flow path P while the second body portion 112 has a smaller diameter than the first body portion 111 . A comb-like pattern 115 is formed on the outer wall of the distal end of the first body part 111. The comb-like pattern 115 may provide frictional force when assembled with the bolt member 120 to facilitate gripping. A stepped portion 114 is formed between the first body portion 111 and the second body portion 112 due to the difference in diameter and the stepped portion 114 seats the O-ring 130 described later.

The bolt member 120 is engaged with the nut-type main body 110 on the opposite side of the nut-type main body 110. The bolt member 120 includes a shaft 121 having a male screw portion 123 formed on its outer surface so as to be screwed to the female screw portion 113 of the nut type body 110 and a shaft 121 formed at the end of the shaft 121, The diameter of the head 122 is larger than the diameter of the head 122.

A wrench groove 124 is formed on the surface of the head 122. In this embodiment, the hexagonal wrench groove 124 is applied, but the shape of the wrench groove 124 can be modified as much as possible. A bolt coupling groove 125 having a smaller diameter than the wrench groove 124 having a threaded portion may be formed below the wrench groove 124. Accordingly, when installing or removing the cooling water flow path stopper of the mold, the wrench groove 124 and the bolt coupling groove 125 are used together to facilitate installation or disassembly of the cooling water flow path at a deep position.

A bolt (not shown) screwed to the bolt coupling groove 125 in a cooling water flow path cap mounting mechanism (not shown) of the mold so that the bolt coupling groove 125 is fixed to the mold with a bolt of a cooling- after slide the cooling water flow channel stopper in the cooling water flow path of a desired position, the bolt is loosen wrench groove installed in the deep position of the wrench portion by rotating the bolt member 120 by using the (not shown) cooling water flow channel is combined with 124 And disassembly can be easily performed.

The outer surface of the bolt member 110 is formed with a first tapered portion 126 tapered in one direction to correspond to a second tapered portion of a pressing member 140 to be described later, do.

The O-ring 130 is disposed between the nut-type main body 110 and the pressing member 140 to maintain airtightness between the O-ring 130 and the inner wall of the pipe. The pressing member 140 transmits a downward pressure to the bolt member 120 to urge the O-ring 130 so that the end face of the O-ring 130 is deformed into an elliptic shape and is brought into close contact with the inner wall of the cooling water flow path, Thereby providing an airtight seal with the inner wall. The O-ring 130 is disposed at a step 114 formed to be stepped due to a difference in diameter between the first body part 111 and the second body part 112 of the nut-type body 110.

The pressing member 140 is disposed between the nut type body 110 and the snap ring 150 and transmits the pressing force of the bolt member 110 toward the O- The second tapered portion 141 is formed on the inner side of the pressing member 140 to correspond to the first tapered portion 126 of the bolt member 110. The first tapered portion 126 is guided by the second tapered portion 141 and enters the direction of the nut-shaped body 110.

The central region of the pressing member 150 is formed to pass through and the lower region is seated on the upper portion of the O-ring 130 and around the first body portion 111 of the nut-

The snap ring 150 is disposed between the pressing member 140 and the bolt member 120 and has a ring shape with one side of the bolt member 120. When the bolt member 120 is inserted into the nut- And transmits a pressing force to the pressing member 140 while moving on the outer circumferential surface of the member 120.

According to the above embodiment, the cooling water flow path stopper of the metal mold can be easily mounted and dismounted at the deep position of the cooling water flow path of the metal mold.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

100: cooling water flow path stopper of the mold 110: nut type main body
111: first body part 112: second body part
113: Female threads
115: a comb pattern 120: a bolt member
121: shaft 122: head
123: male thread portion 124: wrench groove
130: O-ring 140:
150: Snap ring

Claims (2)

And a second body portion having a smaller diameter than the first body portion, the nut body having a first body portion and a second body portion extending toward one side of the first body portion.
A bolt member having a shaft having a male screw portion formed on an outer surface thereof so as to be screwed to the female screw portion of the nut type body and a head having a diameter larger than the diameter of the shaft at an end portion of the shaft;
An O-ring which is seated on one side of the nut-type main body and is elastically deformed when the bolt member is pressed;
A pressing member for transmitting a pressing force of the bolt member in the O-ring direction; And
And a snap ring for transmitting a pressing force of the bolt member to the pressing member,
Wherein a bolt engagement groove is formed in the head of the bolt member and a screw thread is formed below the wrench groove and a bolt engagement groove having a diameter smaller than that of the wrench groove is formed.
The method according to claim 1,
A first tapered portion is formed on an outer surface of the bolt member,
And a second tapered portion guided by the first tapered portion is formed on an inner surface of the pressing member.
KR2020150007430U 2015-11-16 2015-11-16 Sealing Member for Cooling Water Passage of Mold KR20170001811U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020150007430U KR20170001811U (en) 2015-11-16 2015-11-16 Sealing Member for Cooling Water Passage of Mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150007430U KR20170001811U (en) 2015-11-16 2015-11-16 Sealing Member for Cooling Water Passage of Mold

Publications (1)

Publication Number Publication Date
KR20170001811U true KR20170001811U (en) 2017-05-24

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Family Applications (1)

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KR2020150007430U KR20170001811U (en) 2015-11-16 2015-11-16 Sealing Member for Cooling Water Passage of Mold

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KR (1) KR20170001811U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101935536B1 (en) 2018-05-29 2019-04-05 서중교 Sealing member auto fitting appartus of mold cooling water passage
KR101970128B1 (en) * 2018-01-26 2019-04-18 이혁주 Sealing cap
KR20230002014U (en) 2022-04-14 2023-10-23 김혜숙 Coolant hole plug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040056158A (en) 2002-12-23 2004-06-30 엘지.필립스 엘시디 주식회사 A method of fabricating liquid crystal display device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040056158A (en) 2002-12-23 2004-06-30 엘지.필립스 엘시디 주식회사 A method of fabricating liquid crystal display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101970128B1 (en) * 2018-01-26 2019-04-18 이혁주 Sealing cap
KR101935536B1 (en) 2018-05-29 2019-04-05 서중교 Sealing member auto fitting appartus of mold cooling water passage
KR20230002014U (en) 2022-04-14 2023-10-23 김혜숙 Coolant hole plug

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E601 Decision to refuse application