KR102279477B1 - die-casting mold with prevention function for being pushed - Google Patents

Abstract

The present invention relates to a die-casting mold slide, and in particular, a burr caused by a parting line (parting line) of each movable-side mold by forming a sliding prevention means capable of preventing the sliding of the movable-side mold divided into a plurality of pieces. ), and to a die-casting slide mold with anti-slip function that prevents the occurrence of double casting and improves quality. The configuration is a slide mold consisting of a fixed-side mold and a movable-side mold. After the fixed-side mold and the movable-side mold are combined, the sliding of the movable mold is divided into a plurality of pieces from the casting pressure generated when the molten metal is poured into the cavity. In order to prevent it, it is characterized in that a sliding preventing means is formed on the movable side mold.

Description

Die-casting mold with prevention function for being pushed

The present invention relates to a die-casting mold slide, and in particular, a burr caused by a parting line (parting line) of each movable-side mold by forming a sliding prevention means capable of preventing the sliding of the movable-side mold divided into a plurality of pieces. ), and to a die-casting slide mold with anti-slip function that prevents the occurrence of double casting and improves quality.

As one method of manufacturing metal parts, molten metal such as an alloy such as zinc, aluminum, tin, copper, magnesium, etc. is injected into a steel mold machined to match the required casting shape, and the cavity shape of the mold is changed. Die casting, which is a precision casting method for obtaining identical castings, is known.

Die casting is mainly used in the manufacture of automobile parts because of its high machine automation rate and high precision and mass production, but it is also widely used in the manufacture of electrical equipment, optical equipment, vehicles, weaving equipment, construction equipment, and measuring equipment parts.

These die-casting slide molds are mostly fixed-side molds, except for products with simple structures, and movable-side molds that are manufactured in multiple pieces and are combined and released by reciprocating movement forward, backward, left, right, or up, down, left, and right. is done

In addition, on one side of each movable mold, a slide that reciprocates forward, backward, left, right or up, down, left, and right to support the mold and mold or release (open mold) and A driving means is formed.

However, in the conventional die-casting slide mold, since the sliding action of the driving means for advancing the slide of each movable mold and the lock block on the fixed side are prevented from sliding, the clamping force is insufficient or the molten metal injection pressure is high. , or when a gap between the molds occurs, there is a problem in that the movable side mold constituting the slide mold is pushed.

In addition, due to the sliding of the movable side mold, a gap or gap is formed in the parting line (parting line) of each movable side mold, which causes burrs or double casting, which causes a cumbersome post-processing process. There was a problem causing casting defects.

Registered Patent No. 10-0405701

Accordingly, the present invention has been devised to solve the above problems, and an object of the present invention is to prevent the movable side mold from being pushed from the casting pressure generated during molten metal injection, so that the parting line by the sliding of the movable side mold (parting line) ) to provide a die-casting slide mold having an anti-slip function that improves quality by preventing burrs and double casting.

In order to achieve the above object, the present invention is a slide mold composed of a fixed mold and a movable mold, and after combining the fixed mold and the movable mold, the mold is divided into a plurality of pieces from the casting pressure generated when the molten metal is poured into the cavity. It is characterized in that a sliding prevention means is formed on the movable side mold to prevent the movable side mold from being pushed.

In the die-casting slide mold having an anti-skid function according to the present invention, the movable side mold includes a first slide core, a second slide core, a third slide core, and a fourth slide core, and the anti-skid means includes a plurality of slide cores. It is characterized in that it consists of an anti-skid wedge and an anti-skid groove.

In the die-casting slide mold having an anti-skid function according to the present invention, the anti-skid wedge is formed integrally with the movable side mold or is formed to be detachable.

In the die-casting slide mold having an anti-skid function according to the present invention, the anti-skid wedge and the anti-skid groove are installed in a direction perpendicular to the direction of the casting pressure applied to the movable side mold divided into a plurality of parts. do.

In addition, the present invention is a slide mold comprising a fixed-side mold and a movable-side mold, wherein the movable-side mold is formed of a first slide core, a second slide core, and a third slide core and a fourth slide core, Among the movable molds, some molds have anti-skid wedges and anti-skid grooves constituting the anti-slip means, and some other molds have anti-skid wedges and anti-skid grooves, respectively.

In the die-casting slide mold having an anti-skid function according to the present invention, the positions of the anti-skid wedge and the anti-skid groove formed on the first slide core, the second slide core, the third slide core, and the fourth slide core can be changed. can be characterized.

In the die-casting slide mold having an anti-skid function according to the present invention, the anti-skid wedge and the anti-skid groove are formed to form a right angle to the movable side mold.

As described above, the present invention has the effect of preventing the movable side mold from sliding regardless of the casting pressure by forming the sliding prevention means.

In addition, the present invention prevents the occurrence of burrs and double casting on the parting line (parting line) of the movable side mold by reliably preventing the moving side mold from moving, improving quality and omitting post-treatment process workability improvement can be achieved

1 is a schematic view in which a fixed-side mold and a movable-side mold are separated of a die-casting slide mold according to the present invention.
2 is a view schematically showing the front state of the movable-side mold according to the first embodiment of the present invention.
3 is a view schematically showing a state in which the movable side mold according to the first embodiment of the present invention is opened.
4 is a view schematically showing a state in which the movable-side mold according to the first embodiment of the present invention is molded.
5 is a view schematically showing the front state of the movable-side mold according to the second embodiment of the present invention.
6 is a view schematically showing a state in which the movable side mold according to the second embodiment of the present invention is opened.
7 is a view schematically showing a state in which the movable-side mold according to the second embodiment of the present invention is molded.

Hereinafter, a preferred embodiment according to the present invention will be described in more detail based on the accompanying drawings.

Here, components having the same function in all the drawings below are omitted from repetitive descriptions using the same reference numerals, and the terms to be described later are defined in consideration of the functions in the present invention, which have their own and commonly used meanings. should be interpreted as

[Example 1]

A die-casting slide mold according to Example 1 of the present invention will be described with reference to FIGS. 1 to 4 .

First, as shown in FIG. 1, the die casting slide mold 100 according to the present invention includes a fixed-side mold 110 having a cavity (not shown) processed to match the casting shape on the inside, and the fixed-side mold A first slide core 121 having cavities (121a), (122a), (123a), (124a) that are coupled and detachable to face (110) and which are processed to match the shape of the casting on the inside; 2 slide core 122, a third slide core 123, and a movable side mold 120 divided into a fourth slide core 124, and each movable side mold 120 is supported to combine (combine) or It includes a slide 130 that is formed reciprocally by the driving means 140 to release (separate).

Specifically, the die-casting slide mold 100 according to the first embodiment of the present invention is a first slide from the casting pressure generated when the molten metal is injected into the cavity after the fixed-side mold 110 and the movable-side mold 120 are combined. The sliding preventing means 140 for preventing the moving side mold 120 from being pushed in divided into the core 121 , the second slide core 122 , the third slide core 123 and the fourth slide core 124 . ) is formed.

In addition, the slide 130 includes a first slide 131 coupled to the first slide core 121 , and a second slide 132 and a third slide core 123 coupled to the second slide core 122 . It is composed of a third slide 133 formed on the and a fourth slide 134 coupled to the fourth slide core 124 .

In addition, the anti-skid means 150 is composed of a plurality of anti-skid wedges 151 and anti-skid grooves 152 .

That is, in Embodiment 1 of the present invention, anti-skid wedges 151 are formed on both sides of the first slide core 121 and the second slide core 122, and the third slide core 123 and the fourth slide core 122 are formed. Anti-skid grooves 152 are formed on both sides of the core 124 .

In addition, in the first embodiment of the present invention, the anti-skid wedge 151 and the anti-skid groove 152 are formed at positions facing each other to be coupled and separated.

Here, the anti-skid wedge 151 and the anti-skid groove 152 are installed in a direction perpendicular to the direction of the casting pressure applied to the movable mold 120 divided into a plurality to form a strong bonding force and form a mold. can be reliably prevented from slipping.

For example, when the casting pressure is applied in the direction of the union and release of the third slide core 123 and the fourth slide core 124 , the anti-skid wedge 151 and the anti-skid groove 152 form the first slide core 121 . ) and the second slide core 122 are preferably installed in a direction in which the combination and release operation are performed.

On the other hand, when the casting pressure is applied in the direction of the union and release of the first slide core 121 and the second slide core 122 , the anti-skid wedge 151 and the anti-skid groove 152 form the third slide core 123 . ) and the fourth slide core 124 are preferably installed in a direction in which the combination and release operation are performed.

On the other hand, in the first embodiment of the present invention, the anti-skid wedges 151 are formed on both sides of the first slide core 121 and the second slide core 122 in the movable mold 120, and the third slide core ( 123) and on both sides of the fourth slide core 124, an example of forming the anti-skid grooves 152 has been presented, but in the present invention, both sides of the first slide core 121 and the second slide core 122 are provided as needed. It should be understood that the anti-skid groove 152 is formed in the ridge, and the anti-skid wedge 151 is formed on both sides of the third slide core 123 and the fourth slide core 124 .

In addition, the anti-skid wedge 151 may be formed integrally with the movable mold 120 or may be formed with a screw fastening structure to be detachable.

In addition, the driving means 140 is preferably composed of a piston or an oil hydraulic cylinder (S) having a plunger (P) reciprocating linear motion by hydraulic pressure.

In addition, the driving means 140 includes a first driving means 141 formed on the first slide 131 , a second driving means 142 formed on the second slide 132 , and a third slide 133 . ) is composed of a third driving means 143 formed on and a fourth driving means 144 formed on the fourth slide 134 .

The driving means 140 advances the slide 130 and the movable mold 120 to form a joint when the piston or plunger P expands, and when the piston or plunger P contracts. The slide 130 and the movable mold 120 are moved backward to release.

The combination operation and the sliding prevention operation of the movable mold according to the first embodiment of the present invention will be described with reference to FIGS. 3 and 4 .

That is, when the movable mold 120 is opened as shown in FIG. 3 , the combination operation of the movable mold 120 is performed by the third driving means 143 and the fourth driving as shown in FIG. 4 . The third slide 133 and the third slide core 123 and the fourth slide 134 and the fourth slide core 124 are advanced by extending the piston or the plunger P of the means 144 .

Next, the first slide 131, the first slide core 121, and the second slide 132 by extending the piston or plunger P of the first driving means 141 and the second driving means 142 ) and the second slide core 122 are advanced.

Accordingly, the third slide core 121 and the second slide core 122 and the third slide core 123 and the fourth slide core 124 of the movable mold 120 are combined.

At this time, the anti-skid wedges 151 formed on the first slide core 121 and the second slide core 122 are anti-skid grooves 152 formed on the third slide core 123 and the fourth slide core 124 . Since it is inserted into the mold to resist the casting pressure to maintain a solid bonding state, the movable mold 120 is prevented from being pushed.

Accordingly, by preventing the movable mold 120 from being pushed, the anti-skid wedge 151 formed on the first slide core 121 and the second slide core 122 is formed between the third slide core 123 and the fourth slide core 123 . It is possible to prevent the occurrence of burrs and double casting in the parting line of the core 124 .

Meanwhile, the mold releasing operation of the movable mold 120 is performed in the reverse order of the mold molding operation.

[Example 2]

5 to 7, the movable-side mold according to the second embodiment of the present invention will be described as follows.

As shown in FIG. 5 , the movable side mold 120 of the second embodiment of the present invention includes the first slide core 121 , the second slide core 122 , the third slide core 123 and the third slide core 123 . Among the 4 slide cores 124, some molds have anti-skid wedges 151 and anti-skid grooves 152, and some other molds have anti-skid wedges 151 and anti-skid grooves 152, respectively. do.

For example, an anti-skid wedge 151 is formed on one side of the first slide core 121 and the third slide core 123, and an anti-skid groove 152 is formed on one side of the tile facing the anti-skid wedge 151. this is formed

Further, anti-skid grooves 152 are formed on both sides of the second slide core 122 , and anti-skid wedges 151 are formed on both sides of the fourth slide core 124 .

In the movable mold 120 having this configuration, the anti-skid wedge 151 formed on the first slide core 121 is coupled to the anti-skid groove 152 formed on the third slide core 123, and the third The anti-skid wedge 151 formed in the slide core 123 is coupled to the anti-skid groove 152 formed in the second slide core 122 .

In addition, one of the plurality of anti-skid wedges 151 formed on the fourth slide core 124 is coupled to the anti-skid groove 152 of the first slide core 121, and the other is the second slide core. It is coupled to the anti-skid groove 152 of the (122).

In this way, the anti-skid wedge 151 and the anti-skid groove 152 are formed to form a right angle to the movable mold 120 .

Therefore, even when a casting pressure is generated in each movable mold 120 , it is possible to more reliably prevent sliding of each movable mold 120 by forming a strong bonding force.

On the other hand, in the second embodiment of the present invention, of the movable mold 120, the first slide core 121 and the third slide core 123 are respectively formed with anti-skid wedges 151 and anti-skid grooves 152, , the second slide core 122 is provided with an anti-skid groove 152 and the fourth slide core 124 is provided with an anti-skid wedge 151, but the present invention provides an example of forming the anti-skid wedge 151 on the first slide as necessary. The position of the anti-skid wedge 151 and the anti-skid groove 152 formed on the core 121, the second slide core 122, and the third slide core 123 and the fourth slide core 124 can be changed. It should be understood to include what is.

The combination operation and the sliding prevention operation of the movable mold according to the second embodiment of the present invention will be described with reference to FIGS. 6 and 7 .

First, when the movable mold 120 is opened as shown in FIG. 6 , as shown in FIG. 7 , the mixing operation of the movable mold 120 is performed by the piston of the fourth driving means 144 or By extending the plunger P, the fourth slide 134 and the fourth slide core 124 are advanced.

Next, the third slide 133 and the third slide core 123 are advanced by extending the piston or the plunger P of the third driving means 143 .

Next, the first slide 131 and the first slide core 121 are advanced by extending the piston or the plunger P of the first driving means 141 .

Then, the piston or plunger P of the fourth driving means 144 is extended to advance the fourth slide 134 and the fourth slide core 123 .

At this time, each anti-skid wedge 151 is firmly coupled to each anti-skid groove 152 .

Therefore, even if a strong casting pressure is generated in each movable mold 120 , a strong bonding force is formed to prevent the movable mold 120 from being pushed, thereby generating a burr in the parting line and overlapping. Casting can be prevented.

In addition, the releasing operation of each movable-side mold 120 is performed in the reverse order of the mixing operation.

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes to other equivalent embodiments are possible without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in the art to which the present invention pertains.

100: die casting slide mold 110: fixed side mold
120: movable side mold 121: first slide core
122: second slide core 123: third slide core
124: fourth slide core 121a, 122a, 123a, 124a: cavity
130: slide 131: first slide
132: second slide 133: third slide
134: fourth slide 140: driving means
141: first driving means 142: second driving means
143: third driving means 144: fourth driving means
150: slip prevention means 151: slip prevention wedge
152: anti-skid groove P: plunger
S: cylinder

Claims (7)

delete delete delete delete A slide mold comprising a fixed-side mold and a movable-side mold, comprising:
The movable side mold is formed of a first slide core, a second slide core, a third slide core, and a fourth slide core, and among the movable side molds, some of the molds have a slip prevention wedge constituting a slip prevention means and a slip A die-casting slide mold having an anti-slip function, characterized in that an anti-slip groove is formed together, and an anti-skid wedge and an anti-skid groove are formed in some other molds. 6. The method of claim 5,
A die-casting slide mold having an anti-skid function, characterized in that the positions of the anti-skid wedges and anti-skid grooves formed on the first slide core, the second slide core, the third slide core, and the fourth slide core can be changed. 6. The method of claim 5,
The die-casting slide mold having an anti-skid function, characterized in that the anti-skid wedge and the anti-skid groove are formed at right angles to each other in the movable mold.

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