KR200225180Y1 - A Eject Apparatus of Mould for Whole Surface Undercut-type Products - Google Patents

Abstract

The present invention relates to a mold, and more particularly, to a device for taking out a front undercut-type product mold, which is configured to easily take out an injection of a complicated shape that is not easy to be injected as a complicated mold.

Due to the characteristics of the product, it is a complex shape that is not easy to mold injection, for example, a part that is assembled to an automobile engine, which is currently made and assembled of aluminum, and a plurality of tubes for intake or exhaust of each cylinder of the multicylinder engine are formed. In the case of a manifold provided with a large number of bends and holes, the direction and position of the undercut are very complicated, so that molding injection is impossible in the conventional method.

The present invention, in the mold consisting of the upper side, the fixed side composed of the upper core, and the movable side composed of the lower side, the lower core, the leg, the upper side, the lower side and the ejection means formed of the ejector, The upper core fixed to the plate has an upper slide which is formed so as to be reciprocated downward in a downward direction by a guide pin and a spring for taking out the undercut of the product, and the lower core, which is the movable side, has an inner and outer front surface of the product. It comprises a plurality of slides for taking out the undercut portion,

Cores and slides of the fixed side and the movable side is sequentially configured to interlock with each other to take out the front undercut product.

Description

A Eject Apparatus of Mold for Whole Surface Undercut-type Products}

The present invention relates to a mold, and more particularly, to a device for taking out a front undercut-type product mold, which is configured to easily take out an injection of a complicated shape that is not easy to be injected as a complicated mold.

Due to the characteristics of the product, it is a complex shape that is not easy to mold injection, for example, a part that is assembled to an automobile engine as shown in FIG. 6 and is currently manufactured and assembled from aluminum, and intakes or exhausts to each cylinder of the multicylinder engine. In the case of the manifold, which is a product (2) having a plurality of bends and holes, the shape of the tube is formed under the upper runner surface (2a), map sensor hole (2b), injector hole (2c), etc. The direction and position of the is very complicated, it is known as a product that is impossible to mold injection in the conventional manner.

This product (2) has a difficulty in mounting the parts in the space secured in the engine box of the already designated car body, there is a problem that must be made the same shape and location of the mounting fixture and the existing aluminum products Therefore, the undercut on the product applied to the plastic product is protruded to the front of the product there is a problem that the injection molding is not taken out in the mold unless the mold structure is specifically applied.

The present invention is devised to satisfy the above needs,

The object of the present invention is to take out the front undercut type product mold so that the shape of the shape, such as a manifold, can be easily taken out so that the undercut portion can be easily obtained without damaging the undercut portion in the up, down, left, and right directions. The purpose is to provide a device.

1 is a cross-sectional view of a mold structure according to an embodiment of the present invention.

Figure 2 is a state in which the movable side withdraws from the fixed side in the primary mold opening operation in FIG.

3 is a secondary mold opening operation state in FIG.

4 is a third mold opening operation state in FIG.

5 is a fourth mold opening operation state diagram.

Figure 6 is a cross-sectional configuration of the product taken out according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1: Front undercut type product takeout device

2: Product (manifold) 100: Fixed side

110: upper plate 111: guide surface

120: upper core 122: pin holder

130: upper slide 132: sliding block

140: guide pin 150: spring

200: movable side 210: lower plate

211: sliding block 212: pin holder

220: hardcore 223: sub hardcore

221: guide base 230: main slide

231: inclined rail 233: hole undercut portion slide

234: slide for operation 235: hole undercut portion slide

236: slide fixing piece 239: inclined rail

240: inner slide 241: hole undercut portion slide

242: slide slope 250: fixed plate

261: upper wheat 262: lower wheat

263: ejector 264: inclined sealing pin

265: warp pin 266: warp pin guide

267: guide base 270: cylinder

271: cylinder rod 272: cylinder connecting rod

280: leg

The present invention to achieve the above object,

A stationary side comprising a top plate, an upper core,

In a mold apparatus comprising a movable side comprising a lower plate, a lower core, a leg, an upper and lower tight plates and ejecting means formed of an ejector,

The upper core fixed to the upper plate has an upper slide formed so as to be reciprocated in an inclined direction downward by a guide pin and a spring to remove the undercut portion of the product,

The lower core on the movable side includes a plurality of slides for taking out the inner and outer front undercut portions of the product, and a mill pin,

Cores and slides of the fixed side and the movable side are sequentially interlocked with each other to take out the front undercut type product.

As an embodiment of the present invention, the upper slide provided on the fixed side,

The spring is mounted on the stroke adjusting guide pin fixed to the upper plate by a pin holder and inserted and fixed, and the sliding surface slides on the guide surface of the upper plate, and the sliding surface is configured by fastening a sliding block that is easy to replace when worn. .

In one embodiment of the present invention, the inner side of the lower plate, which is the movable side, is reciprocally driven by a cylinder as one of the slides, and an inner side formed with at least one side of an inclined rail or a ramp for taking out a hole undercut portion of a product. With the main slide,

It characterized in that a plurality of slides in the hole undercut portion guided in accordance with the movement of the inclined rail or the slope of the inner main slide.

In one embodiment of the present invention, provided on one side of the movable side lower plate, reciprocating by a cylinder, the inner slide for pushing up or down the hole undercut slide of the product, and the hole operated by the inner slide An undercut slide is provided.

As an embodiment of the present invention, the upper plate of the take-out means is characterized in that it comprises an inclined mill pin bar coupled to the end of the inclined mill pin to be part of the lower core.

Hereinafter, an embodiment of the take-out device of the inner and outer front undercut type mold of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the structure of a take-out device of the front undercut type product mold according to an embodiment of the present invention.

As shown in FIG. 1, the apparatus for taking out the front undercut type mold according to the present invention includes a stationary plate 110 and a fixed side 100 including an upper core 120, and

Movable side formed by lower plate 210, lower core 220, legs 280, upper and lower tight plates 261, 262 and ejecting means formed by the ejector 263, fixed plate 250 In the mold apparatus consisting of 200,

The upper core 120 fixed to the upper plate 110 is separated from one side for taking out the undercut portion 2a of the product 2, and is reciprocated in a downward inclined direction by the guide pin 140 and the spring 150. It has a top slide 130 formed,

The lower core 220, which is the movable side 200, includes a plurality of slides for taking out the inner and outer front undercut portions of the product 2,

The core 120, 220 and the slides of the fixed side 100 and the movable side 200 are sequentially interlocked with each other to take out the front undercut type product 2.

2 is a state in which the movable side withdraws from the fixed side by the primary mold opening operation in the mold apparatus of FIG. 1, FIG. 3 is an inner main slide operating state of the movable side by a secondary mold opening operation, and FIG. 4 is a third mold opening operation. 5 shows the operating state of the take-out means.

1 to 5, in particular, as shown in Figure 2, the upper slide 130 provided on the fixed side 200 according to an embodiment of the present invention,

The spring 150 is mounted and fixed to the stroke adjustment guide pin 140 fixed to the upper plate 110 by the pin holder 122, and is slid to the guide surface 111 of the upper plate 110. The surface was configured by fastening the sliding block 132, which is easy to replace when worn.

The upper plate 110 is provided with a wedge piece 112 to facilitate fixing and disassembly of the upper core 120 and the pin holder 122.

As shown in FIG. 2, in the configuration of the fixed side 100, when the movable side 200 is primarily operated to move, the upper slide 130 fixed to the upper plate 110 is pin holder 122. It moves elastically by the force and the weight of the spring 150 in the upper slide 130, the body supporting the operation along the guide pin 140 fixed to the fixed side and fixed to the movable side lower plate 210 by a limited stroke It moves while pushing the inclined surface of the movable side sliding block 211, and at the same time, the undercut of the runner surface 2a of the upper surface of the product 2 is released.

One side of the lower plate 210, which is the movable side 200, according to an embodiment of the present invention, as shown in FIG. 3, is reciprocally driven by a cylinder 270 as one of the slides, and the product 2 An inner main slide 230 having at least one side of an inclined rail 231 or a ramp for taking out the hole undercut portion of

In accordance with the movement of the inclined rail 231 or the inclined ramp of the inner main slide 230, a plurality of hole undercut slide 233 is guide-linked.

Upon completion of the primary mold opening operation of the movable side 200 from the fixed side 100 and all of the upper undercut is released, the cylinder rod 271 connected to the surface bottom hydraulic cylinder side 270 as part of the secondary operation by hydraulic pressure. And the slide 234 for operation inserted into and fixed to the cylinder connecting rod 272 move on the inclined rail 231 formed above the main slide 230 for the inner undercut detachment, and the product name of the map sensor hole 2b. The hole undercut slide 233 is separated, and at the same time, the undercut slide 235 which is operated along the inclined rail 239 fixed to the side of the main slide 230 by the slide fixing piece 236 is the main slide 230. According to the operation, it is operated by a given stroke and is released from the undercut of the injector hole part 2c which is a product part name.

Compared to FIG. 2 and FIG. 3, such an operation clearly shows the position of the operated state and the separated part, and the slide operation is performed simultaneously.

As an embodiment of the present invention, in particular, as shown in Figure 4, one side of the movable side 200, the lower plate 210, reciprocating by the cylinder 270, the hole undercut portion slide 241 of the product An inner slide 240 for pushing up or pulling down,

A hole undercut slide 241 operated by the inner slide 240 is provided.

The inner slide 240 has an inclined surface 242 of the slide fixed to the cylinder rod 271 and the cylinder connecting rod 272 in a retraction operation by operating the hydraulic cylinder 270 as in the inner main slide 230. Therefore, the hole undercut slide 241 for releasing the hole undercut portion 2d of the product by the limited stroke was pulled down or raised to return.

The inner slide 240 is thermally treated to solve the problem of reinforcing mold and processing difficulties in the injection molding pressure and repeated operation, and gives a pin holder 212 fixedly installed on the bottom of the lower plate 210, the inner slide ( 240) Strength was strengthened to withstand injection pressure during sliding operation.

As an embodiment of the present invention, in particular, as shown in Figure 5, the upper contact plate 261 of the take-out means inclined mill pin bar coupled with the inclined mill pin 265 to be part of the lower core 220 at the end ( 264).

The operation of the take-out means 260 is to remove the product from the mold by using the inclined mill pin 265 as a final operation.

The inclined pin rod guide fixed to the inclined pin pin 264 fixed between the upper plate 261 and the lower plate 262 by the space between the lower plate 210 and the leg 270 is fixed to the inclined pin pin 265 (266) is to fix the product mold through the transfer rod connected to the molding machine is repeated to move in the inclined direction by a predetermined stroke to move away from the undercut inside the product at the same time to push the product out of the mold to release. . Reference numeral 213 denotes a cylinder fixed block, 215 denotes a sloping pin bar guide, 221 denotes a guide base, 222 denotes a wedge piece, 223 denotes a sub lower core, and 267 denotes a guide base. 268 is a locate ring.

In other words, the take-out device of the inner and outer front undercut type product mold according to the present invention is to enable the continuous take-out of the release of the composite undercut type of various angles of the inside and the outside through one simultaneous operation.

The present invention is possible to those skilled in the art to which the present invention belongs, various substitutions, modifications and changes can be made within the scope without departing from the technical spirit of the present invention, it is limited to the actual examples and drawings described above It is not.

As described in detail above, the take-out device of the front undercut type mold according to the present invention,

In taking out a product having a complicated undercut portion in the inner, outer, and omnidirectional directions, the slides and the mill pins provided to the undercut portions are sequentially connected to each other.

It is a high-level technology that enables the production of full-surface undercut products with resin materials using molds, and it is a high value-added technology that has a significant economic advantage.

Claims (5)

The upper side 110, the stationary side 100, including the upper core 120, Mold consisting of movable side 200, including take-out means formed by lower plate 210, lower core 220, legs 270, upper and lower tight plates 261, 262 and ejector 263 In the apparatus, The upper core 120 fixed to the upper plate 110 is separated from one side for taking out the undercut portion 2a of the product 2, and is reciprocated in a downward inclined direction by the guide pin 140 and the spring 150. It has a top slide 130 formed, The lower core 220, which is the movable side 200, includes a plurality of slides for taking out the inner and outer front undercut portions of the product 2, Take out of the front undercut type product mold, characterized in that the core 120, 220 and slides of the fixed side 100 and the movable side 200 are sequentially interlocked to take out the front undercut type product 2 Device. The method of claim 1, The upper slide 130 is provided on the fixed side 200, The spring 150 is mounted and fixed to the stroke adjustment guide pin 140 fixed to the upper plate 110 by the pin holder 122, and is slid to the guide surface 111 of the upper plate 110. Take-out device of the front undercut type mold, characterized in that the surface is configured by fastening the sliding block 132, which is easy to replace when worn. The method of claim 1, One side of the lower plate 210 which is the movable side 200 is reciprocally driven by a cylinder 270 as one of the slides, and an inclined rail 231 or a ramp for taking out the hole undercut portion of the product 2 is provided. An inner main slide 230 formed on at least one side; Take-out device of the front undercut type product mold, characterized in that to form a plurality of guide slide guide hole undercut portion in accordance with the movement of the inclined rail 231 or the slope of the inner main slide (230). The method of claim 1, One side of the movable side lower plate 210, reciprocating by the cylinder 270, the inner slide 240 for pushing up or down the hole undercut slide 241 of the product, Take-out device of the front undercut type product mold, characterized in that the hole undercut slide 241 is provided by the inner slide 240 is given. The method of claim 1, A device for taking out a front undercut type product mold, characterized in that the upper dense plate 261 of the take-out means has an inclined mill pin 264 coupled to the inclined mill pin 265 to be a part of the lower core 220 at an end thereof. .