KR20110077103A - Injection mold locate ring dehumidification cap structure - Google Patents

Injection mold locate ring dehumidification cap structure Download PDF

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Publication number
KR20110077103A
KR20110077103A KR1020090133565A KR20090133565A KR20110077103A KR 20110077103 A KR20110077103 A KR 20110077103A KR 1020090133565 A KR1020090133565 A KR 1020090133565A KR 20090133565 A KR20090133565 A KR 20090133565A KR 20110077103 A KR20110077103 A KR 20110077103A
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KR
South Korea
Prior art keywords
injection mold
mold
main body
rocket ring
silica
Prior art date
Application number
KR1020090133565A
Other languages
Korean (ko)
Inventor
한동규
Original Assignee
한동규
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 한동규 filed Critical 한동규
Priority to KR1020090133565A priority Critical patent/KR20110077103A/en
Publication of KR20110077103A publication Critical patent/KR20110077103A/en

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    • 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
    • B29C45/20—Injection nozzles
    • 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
    • B29C45/2701—Details not specific to hot or cold runner channels
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks

Abstract

PURPOSE: A moisture removal cap structure for a locate ring of an injection mold is provided to prevent dust, foreign substances, and moisture from flowing into the inside a mold. CONSTITUTION: A moisture removal cap structure for a locate ring of an injection mold comprises an injection mold. The injection mold comprises an upper mold(1), a lower mold(2), a cast(3), a locate ring(4), a sprue bush(5), and a runner(6). The cast is formed in the joint part of the upper and lower molds and molds a molded article. The locate ring, the sprue bush, and the runner are formed in the upper mold. A moisture removal cap(10) is formed on the outer surface of the locate ring and prevents dust from flowing into the inside the upper and lower molds through the locate ring and the sprue bush.

Description

Injection mold locate ring dehumidification cap structure

The present invention relates to a cap structure that prevents dust from entering the injection mold rocket ring and removes moisture. More specifically, the dust is introduced into the rocket ring of the injection mold by embedding a dehumidifying agent of silica gel in the cap. The present invention relates to an injection mold rocket ring dehumidification cap structure that can block moisture and remove moisture in a mold to improve product safety.

As is well known, a mold for injecting a plastic product mainly consists of an upper mold and a lower mold of a metal mold made of steel, and the molten resin is injected into the metal mold upper mold and then solidified. It is a mold apparatus used mainly for mass-producing an injection molded article requiring high precision.

In the conventional injection molding apparatus for synthetic resin, a mold, which is an injection molding part, is provided in the center area of these dies in contact with each other while the upper and lower molds disposed to face each other, and the rocket ring formed on the upper die is connected to the soup ring. When the bush and the gate are continuously connected, the molten resin from the nozzle is pushed into the mold through the rocket ring, and the molten resin injected solidifies gradually over time to form an injection molded product.

In the conventional injection mold apparatus as described above, when the molded product supplied into the nozzle is brought into close contact with the nozzle to the rocket ring, the molded product is introduced into the mold through the sprue bush, and the upper and lower molds are press-fitted. The injection molded product is injection molded.

However, in the conventional injection mold apparatus as described above, since the flow path for injecting the molded product is formed in the central portion of the rocket ring and the sprue bush, when the mold is stored without using the injection mold apparatus, the rocket ring and the sprue bush are formed. There was a problem that dust or foreign matter and water to be introduced into.

In order to solve this problem, the conventional injection mold apparatus seals the rocket ring and the sprue bush on the outer surface of the rocket ring to cover the locating cap to prevent dust or foreign matter from flowing into the mold.

However, the sealing cap has the advantage of blocking the dust or foreign matter and water flowing into the mold by completely sealing the rocket ring, but the temperature of the inside and outside of the mold to completely block the inflow of air into the mold However, due to the difference in humidity, moisture may be generated inside the rocket ring and sprue bush, that is, inside the mold, resulting in corrosion of the injection mold, resulting in excessive repair costs and excessive service costs. There was a problem that the productability such as shortening is significantly reduced.

Accordingly, the present invention is to solve the above problems and can prevent the inflow of dust or foreign matter that is introduced into the injection mold while removing the moisture generated in the nozzle of the injection mold to maximize the product life It is an object of the present invention to provide an injection mold rocket ring dehumidification cap capable of improving productability.

The present invention for achieving the above object is fixed to the moisture removal cap to prevent dust inflow into the mold and to remove the moisture on the outer surface of the rocket ring, the moisture removal cap and the main body is bolted to the rocket ring, It is seated on the inner surface of the main body and the silica-kell storage compartment is built in the moisture removal agent of silica gel to remove moisture, and the closing member is bound to the inner surface of the body to prevent the separation of the silica-kell storage port is formed The present invention provides an injection mold rocket ring dehumidification cap.

As described above, the present invention is to fix the moisture elimination cap in which the silica gel dehumidifier is embedded on the outer surface of the rocket ring of the injection mold, so that no dust, foreign matter, and water are introduced into the mold through the rocket ring by the moisture elimination cap. In addition, even if moisture inside the mold occurs due to temperature or humidity difference between the inside and outside of the injection mold, the moisture in the mold can be removed by the moisture removal agent of silica gel to prevent the failure of the injection mold. Of course, there is an effect that can maximize the productability because the defect does not occur in the injection molding.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 shows an exemplary view before the dehumidification cap is coupled to the injection mold according to the present invention, Figure 2 shows an exemplary view of the dehumidification cap coupled to the injection mold according to the present invention, Figure 3 4 is a perspective view showing a side cross-sectional view of the moisture removing cap according to the present invention, Figure 5 is a rear view of the moisture removing cap according to the present invention, Figure 6 A perspective view of a silica gel storage port of the moisture removal cap according to the present invention.

The present invention is formed in the upper mold (1) and the lower mold (2) and the mold (3) to be molded injection molded in the joint of the upper and lower molds (1,2), the upper mold (1) In the injection molding mold for synthetic resin in which a rocket ring (4), a sprue bush (5) and a runner (6) into which molten resin flows are formed,

Moisture removal cap to prevent the inflow of dust into the upper and lower molds (1,2) and to remove moisture through the rocket ring (4) and sprue bush (5) on the outer surface of the rocket ring ( 10) is formed.

The dehumidification cap 10 has a main body 20 in which a bolt hole 21 is formed so that the fastening bolt 60 can be fastened to the fixed side mounting plate 7 on one side thereof, and the inner surface of the main body 20. The silica gel storage device 30 is seated on the inside and the silica gel storage device 30 is formed therein, and the main body 20 is bound to prevent the silica gel storage device 30 from being separated. Finishing member 40 is formed.

The outer surface of the main body 20 is formed with a label paper 50 that can describe the characteristics such as the type and name of the injection mold.

In addition, a binding groove 22 is formed on the inner surface of the main body 20 so that the silica gel storage device 30 and the finishing member 40 may be bound.

On the other hand, the moisture removing cap 10 according to the present invention is formed of a transparent agent or an opaque agent, more preferably a luminous resin is applied.

Example 1.

Looking at another example of the dehumidification cap according to the present invention, as shown in Figure 7 and 8 of the accompanying drawings, the dehumidification cap 10 is a receiving portion 23 is formed therein and the receiving portion ( The mounting piece 25 is formed around the upper end surface of the 23, but the main body 20 having the mounting groove 25a formed on the outer surface of the mounting piece 25, and the receiving portion 23 of the main body 20. ) And the mounting piece 25 so as to seal the receiving portion 23 of the main body 20 and the silica gel storage port 30 accommodated therein and the silica dehumidifying agent 31 is contained therein. A sealing opening 70 is formed in which a binding protrusion 71 is formed on an inner surface thereof so as to be mounted in the mounting groove 25a.

In addition, the bottom surface of the main body 20 is a plurality of through-holes 24 so that the moisture removal agent 31 of the silica kel embedded in the silica kel storage 30 to suck and remove the moisture inside the injection mold. Is formed.

The closure 70 is preferably formed of a transparent agent or an opaque agent.

Looking at the operating state according to the present invention made of the above configuration as follows.

First, when using the injection mold according to the present invention by releasing the fastening bolt 60 fixed to the fixed side mounting plate (7) to the lock ring (4) in the state separated from the rocket ring (4) The nozzle (not shown) to which the molded product is supplied to the upper portion 4 is brought into close contact with each other, and the upper and lower molds 1 and 2 are press-fitted by injecting the molded product into the mold 3 through the sprue bush 5. The entry will be molded.

As such, when the injection mold is used and not in use during storage or movement, the rocket ring 4 is moved to the moisture removal cap 10 so that dust, foreign matter, and water do not flow into the rocket ring 4. It is sealed.

The fastening bolt 60 is inserted into the bolt hole 21 of the main body 20 while the main body 20 of the moisture removing cap 10 is covered around the outer circumferential surface of the rocket ring 4. 60 is fastened to the fixed side mounting plate 7 to fix the moisture removing cap 10 to the fixed side mounting plate 7.

Thus, when the dehumidification cap 10 is put on the rocket ring 4, the main body 20 seals the rocket ring 4 so that dust or foreign matter or the like may be injected into the injection mold through the rocket ring 4. No water will flow in.

In addition, since the silica ke reservoir 30 in which the silica dehumidifier 31 is embedded in the binding groove 22 of the inner surface of the main body 20 is bound, the moisture dehumidifier in the silica ke reservoir 30. By the 31 it is possible to remove the moisture generated in the rocket ring (4), sprue bush (5) and the upper and lower molds (1, 2).

At this time, since the finishing member 40 is bound to the binding groove 22 of the main body 20, ie, the outer surface of the silica gel storage device 30, the finishing member 40 firmly fixes the silica storage device 30. Support can increase the stability of the product.

Along with this, the outer surface of the main body 20 is provided with a label paper 50 capable of recording product details of the injection mold, so that the operator can use the injection mold after checking the contents recorded on the label paper 50. It can increase the convenience and work efficiency.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is an exemplary view before coupling the moisture removal cap according to the present invention injection mold.

Figure 2 is an exemplary view of the moisture elimination cap coupled to the injection mold according to the present invention.

Figure 3 is a perspective view of the dehumidification cap according to the present invention.

Figure 4 is a side cross-sectional view of the dehumidification cap according to the present invention.

5 is a rear view of the moisture elimination cap according to the present invention.

Figure 6 is a perspective view of the silica gel storage of the dehumidification cap according to the present invention.

Figure 7 is a side cross-sectional view before coupling showing another example of the dehumidification cap according to the present invention.

Figure 8 is a cross-sectional view showing another example of the dehumidification cap according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: upper mold 2: lower mold

3: mold 4: rocket ring

5: sprue bush 6: runner

7: fixed side mounting plate 10: moisture removal cap

20: body 21: bolt hole

22: binding groove 23: receiving portion

24: through hole 25: mounting piece

25a: mounting groove 30: silica gel storage

31: Dehumidifier 40: Finishing member

50: label 60: fastening bolt

70: seal 71: binding protrusion

Claims (7)

The upper mold (1) and the lower mold (2) and the mold (3) for molding the injection molded product is formed at the junction of the upper and lower molds (1,2), the resin melted in the upper mold (1) In the injection mold for synthetic resin formed by forming a rocket ring (4), sprue bush (5) and runner (6), Moisture removal cap to prevent the inflow of dust into the upper and lower molds (1,2) and to remove moisture through the rocket ring (4) and sprue bush (5) on the outer surface of the rocket ring ( Injection mold rocket ring moisture elimination cap structure, characterized in that 10) is formed. The method of claim 1, The dehumidification cap 10 has a bolt hole 21 is formed so that the fastening bolt 60 is fastened to the fixed side mounting plate 7 on one side and the binding groove 22 is formed on the inner surface ( 20) and the silica-kel storage 30, which is seated in the binding groove 22 of the inner surface of the main body 20, and the silica dehumidifier 31 is formed therein, and the inner surface of the main body 20. The injection mold rocket ring moisture removal cap structure, characterized in that the closing member 40 is formed to be bound to the binding groove 22 of the silica ke storage port 30 to prevent the separation. The method of claim 2, Injection mold rocket ring moisture removal cap structure, characterized in that the outer surface of the main body 20 is formed with a label paper (50) to describe the characteristics such as the type and model name of the injection mold. The method of claim 1, The dehumidification cap 10 is injection mold rocket ring dehumidification cap structure, characterized in that formed with a transparent or opaque agent. The method of claim 1, The moisture removal cap 10 is injection mold rocket ring moisture removal cap structure, characterized in that the luminous resin is applied. The method of claim 1, The dehumidification cap 10 has an accommodating part 23 formed therein, and a mounting piece 25 is formed around an upper end surface of the accommodating part 23, but is mounted on an outer surface of the mounting piece 25. A main body 20 having a groove 25a formed therein, a silica storage device 30 accommodated in the receiving portion 23 of the main body 20, and a silica dehumidifier 31 contained therein; A sealing opening 70 in which a binding protrusion 71 is formed on an inner surface thereof so as to be mounted in the mounting groove 25a of the mounting piece 25 so as to seal the receiving portion 23 of the main body 20. Injection mold rocket ring moisture removal cap structure, characterized in that formed. The method of claim 6, A plurality of through holes 24 are formed on the bottom surface of the main body 20 so that the silica dehumidifier 31 embedded in the silica ke reservoir 30 sucks and removes moisture in the injection mold. Injection mold rocket ring moisture removal cap structure characterized in that.
KR1020090133565A 2009-12-30 2009-12-30 Injection mold locate ring dehumidification cap structure KR20110077103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090133565A KR20110077103A (en) 2009-12-30 2009-12-30 Injection mold locate ring dehumidification cap structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090133565A KR20110077103A (en) 2009-12-30 2009-12-30 Injection mold locate ring dehumidification cap structure

Publications (1)

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KR20110077103A true KR20110077103A (en) 2011-07-07

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KR1020090133565A KR20110077103A (en) 2009-12-30 2009-12-30 Injection mold locate ring dehumidification cap structure

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103357533A (en) * 2013-07-18 2013-10-23 许健航 Oil-spraying soft rubber mold and preparation method thereof
KR20180051697A (en) * 2016-11-07 2018-05-17 김숙경 Molding machine nozzle cap

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103357533A (en) * 2013-07-18 2013-10-23 许健航 Oil-spraying soft rubber mold and preparation method thereof
CN103357533B (en) * 2013-07-18 2016-08-10 太仓德宝玩具制品有限公司 Oil spout soft jelly mould and preparation method thereof
KR20180051697A (en) * 2016-11-07 2018-05-17 김숙경 Molding machine nozzle cap

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