KR20070066084A - The method for manufacturing and apparatus for catapulting and molding insert cloth - Google Patents

Abstract

A multi injection-molding method and an apparatus with inserted cloth are provided to reduce production cost and improve the quality of an injection-molding product by simultaneously injection-molding and attaching skin material on an external part of the injection-molding product. A multi injection-molding apparatus with inserted cloth includes an upper mold(2), an upper mold rotating apparatus, an upper mold reciprocating rod bar(32), an upper support(200), a lower mold fixing unit(3), a lower fixing mold(4), and a lower side moving mold. The upper mold has an upper first mold(30), and an upper second mold(100). The upper mold rotating apparatus is installed at a front outer side of the upper mold. The upper mold reciprocating rod bar is connected with the upper mold rotating apparatus. The upper support is connected at an upper end of the upper mold reciprocating rod bar, and is installed at an upper part of the upper mold. The lower mold fixing unit is placed at a lower part of the upper mold. The lower fixing mold is formed at an upper part of the lower mold fixing unit. The multi injection-molding method with the inserted cloth the steps of moving forward the upper mold reciprocating rod bar connected with the upper support installed at the upper part of the upper mold, injection-molding by using the upper second mold and the lower mold, moving backward and separating the upper mold reciprocating rod bar connected with the upper support installed at the upper part of the upper mold, rotating the upper mold, attaching the cloth on a surface of an injection-molding product by using an upper first mold side slide and the upper first mold of the upper mold inserted by the cloth, and inserting the cloth separating the product with an ejecting pin of the lower mold.

Description

The method for manufacturing and apparatus for catapulting and molding insert cloth}

1 is a front detail view of the molds of the present invention opened;

Figure 2 is a detailed side view injected by the upper second mold of the present invention

Figure 3 is a front detail view injected by the upper second mold of the present invention

Figure 4 is a front view in which the upper mold of the present invention is rotated

5 is a front detail view of a transition insert by the upper first mold of the present invention;

Figure 6 is a detailed front view of the molded article taken out from the mold of the present invention

<Description of the Drawings>

Lower mold (1), upper mold (2), lower mold fixing part (3), lower fixing mold (4), lower side movable mold (4 '), lower upper sealing plate (5), lower lower sealing plate (6), Hydraulic cylinder support (7), lower side movable cylinder (8), resin inlet (9), up and down hydraulic cylinder (10), locking block groove (11), insert fabric fixing pin (13), fixed pin spring (14), Nozzle 16, upper mold inner upper part 22, insert ceiling fixing pin 23, fixing pin spring 24, upper first mold 30, upper mold left and right parts (31, 31 '), before and after the upper mold Jean rod rod 32, upper first mold side slide 33, upper first mold side spring 34, locking block 35, upper first mold side slide bolt 37, upper mold rotating device 38 , The upper first mold central side portion 39, the upper second mold 100, the mill pin 41, the upper mold support 200, the chain drive motor 250, gear 251, chain 380, α: Upper mold side slide movement interval.

The present invention is one of the apparatus for manufacturing automotive interior materials, the injection molding into the upper mold and the lower mold with one device and two molds installed at the same time the skin material (leather, artificial leather, nonwoven fabric, cloth, synthetic resin sheet and film) The present invention relates to a multi-injection molding method and a device in which a cloth is attached to the outside of the injection-molded article.

In general, molded products manufactured by injection molding while inserting a cloth are mainly used as interior materials for automobiles, such as door trims, fillers, trunk mats, package trays, and headliners, and are commonly used according to low-priced national cars, small cars, and medium and large luxury cars. The interior material may be said to be different in material and composition from each other.

In other words, it is possible to use interior materials that are injection-molded only with synthetic resin, or interior materials with a part of a soft cloth (skin material) attached to the surface of synthetic resin.Other models can be bonded to the entire surface of the substrate. In order to use the trimmed together, or to improve the feel of the material, a high-quality cloth is attached to the synthetic resin surface, and then the edge of the cloth is wrapped around the inside of the substrate and then used.

Looking at the general manufacturing method of the automotive interior materials, the method of attaching the cloth after the injection molding of the automotive interior material is a method of manually attaching to the exterior of the automotive interior material by adhesive, and after the first injection molding, the fabric is laminated on the molding surface Later, there is a method of injection molding again, and a method of manufacturing a vehicle interior material with fabric attached at the same time by embedding the cloth, but in the first case, it is uneconomical by hand, and in the second case, the quality is good but the injection molding should be done twice. In the third case, there are injection high and low pressure injection method and high pressure injection method. Among them, low pressure injection method is low pressure when injecting the injection liquid, while high pressure is used to mold the substrate by pressing the cloth into the mold. This is necessary.

This low pressure injection method is good because the interior molding of the car and the adhesion of the fabric are made at the same time. However, if the surface skin paper material is a woven fabric or a non-woven fabric, the interior material having a lot of angled step parts in the product has a high-pressure press pressure as described above. When pressed, there is a problem that the injection liquid comes out on the cloth surface due to high pressure, and there have been many studies to solve this problem.

For example, Korea Patent Publication No. 10-0334118 No. 10-0334118 after performing the first process of injection molding the substrate with a set of upper and lower molds, the injection heat is significantly remaining in the injection-molded substrate state When the upper mold is opened and the skin material is supplied and bonded, the edge side of the base material is partially pushed down and the thickness is corrected so that the foam layer of the skin material is adhered without being damaged. It describes a method for forming a car interior material and its molding apparatus that are produced by dividing the surface of the surface of the base material into a product that does not need to be wrapped around the bottom surface of the base material or by curing it by curing it by being buried on the bottom of the surface material.

Publication No. 10-0329428, a release agent layer is applied to the inner surface of the first mold or the second mold, and the surface pattern member on which the pattern for surface processing of the synthetic resin molding is formed is placed on the release agent layer. And sealing the first or second mold on which the surface pattern member is placed, injecting a synthetic support material to mold the synthetic resin molding, wherein the surface pattern member adhered to the surface of the molded synthetic resin molding is formed from the synthetic resin molding. And a step of separating the surface pattern member in contact with the release agent layer and applying an adhesive or a release agent so that the surface pattern member is attached to or separated from the surface of the synthetic resin molding. A method of forming a surface pattern of a synthetic resin molding expressed on the surface of the synthetic resin molding is described. And

Publication No. 0164016 discloses that a decorative pattern sheet is sandwiched between a mold having a hole formed therein and a pair of molds having an injection hole facing each other, and the decorative pattern sheet is heated and softened by a heating apparatus, and the decorative pattern sheet is heated. To make a tight contact with the cavity surface of the mold on the basis of the pressure difference generated by the exhaust of the mold through the hole, and into the mold through the inlet for molding the molten resin into a patterned product on the basis of the decorative pattern sheet. A heating apparatus is provided for use in a method of simultaneously injecting injection molding and a patterning method, wherein the heating apparatus comprises a heating element for supplying heat to the decorative pattern sheet and a heating pattern for heating and softening the decorative pattern sheet. The heating position facing the sheet, and the heating body is separated from the space between the At the same time as the injection molding consisting of heating body moving means for moving the heating body in a non-parallel positional relationship between the heating position and the non-intensity position, the heating surface of the heating element is moved between non-intensity positions which are moved far away. Apparatus and methods for forming are described,

Publication No. 10-0226301 discloses a step of supplying a skin material between a pair of molds, between a skin material holding frame movable in a direction perpendicular to the mold closing direction and a skin support frame moving in the mold closing direction. Maintaining the skin material, supplying a predetermined thermoplastic melt, and closing the mold to form a multilayer molded article, wherein at least one movable member movable forward and backward in the mold closing direction is formed on the mold surface. After the supply of the resin melt is retracted in the mold blocking direction and at least one ejector is ejected on the skin material holding frame to fold the edge of the skin material toward the center of the mold, the movable member to the mold surface The manufacturing method of the multilayer molded article which folds and forms the edge of a skin material by the back part of a resin body part is described,

Korean Patent Publication No. 1997-0009920 supplies a fabric skin material between two molding dies before molding, fixing the edges of the fabric skin material, and then heating the cavity formed on one side of the fabric skin material. A method of manufacturing automotive interior parts is disclosed, which comprises a process of supplying a resin material in a molten state, completely closing the two molding dies, and integrally compressing the resin material and the fabric skin material to cool and solidify them.

Korean Laid-Open Patent Publication No. 2001-0073714 is provided with an elevating variable type of upper and lower molds whose shape is limited to a size capable of forming a flat portion of the substrate, and an auxiliary mold for forming side edges of the substrate on the upper mold. It describes a molding method of a car interior material and its molding apparatus that work with the gap is corrected in the injection molding process of the substrate and the bonding process of the skin material,

Japanese Patent Laid-Open Publication No. 2001-0104019 discloses a lower mold having a recessed portion formed on a molding surface for forming a rib having a predetermined thickness from a base bottom, and a pair of first upper molds separated by a boundary between the positions of the recessed portions of the lower mold. And a second insert mold and an insert rod for forming a rim insert groove of the skin material on the rib, and inserting the skin material into the insertion groove while being variably protruded by a cylinder on the forming surface between the second mold and the twelfth mold. Bonding device and joining method of the base material for automobile interior and the skin material composed of the cylinder itself for elevating and the cylinder for elevating the first upper mold separately from the second upper mold,

Published Patent Publication No. 2003-0004885 discloses a high pressure in which a skin material is introduced after a step of spraying water on the surface of the skin material before the skin material input step, and the pressing bonding process and the cooling process are performed while the moisture is blocked by the injection heat. Although injection molding method is described,

Conventional techniques as described above are complicated processes, it is difficult to adhere the cloth to a certain shape on the synthetic resin surface produced by the conventional injection method, and even if the wrinkles on the skin layer of the fabric formed on the surface of the synthetic resin It is formed, or the embossing is generated, the quality is lowered, the thickness of the resin layer during the pressing process is also difficult to make constant, there has been a problem that the fabric is easily detached after a certain time.

The present invention is to solve the problems described above, the patent application No. 10-2003-14011, 10-2003-73301 and 10-2005-19077, the applicant filed before the injection of the invention As an improvement of the molding method and the apparatus thereof, two upper and lower molds are provided in the upper mold 2 having the center portion moved up and down, and the fabric is guided by a conventional Robert to the lower portion of the upper first mold installed on the upper portion. The upper second mold 100 installed in the lower mold in accordance with the lower mold first injection molding the first shape using the upper second mold and the lower mold, then detached, and then rotates the upper mold (2), the upper first After the mold is matched with the lower mold, the lower part is lowered and the cloth is attached to the lower part of the upper first mold 30, and the fabric is adhered to the surface of the injection-molded product molded into the lower mold, and the skin is formed on the surface of the injection-molded product and the injection-molded product with one device To glue the ash The insert is a multi-injection is an object of the present invention to provide a molding method and apparatus.

In order to achieve the above object, the present invention provides an upper mold (2) provided with an upper first mold (30) and an upper second mold (100) at the upper and lower portions, and an upper portion installed at the front outer side of the upper mold (2). A mold rotating device 38, an upper mold forward and backward rod rod 32 connected to the upper mold rotary device 38, and an upper end portion of the upper mold forward and backward rod rod 32, and an upper mold 2 The upper support 200 is installed in the upper portion of the upper mold (2), the lower mold fixing portion (3), and the lower fixing mold (4) formed on the lower mold fixing portion (3) And an upper mold side slide 33 forming a lower one side of the lower mold 1, the upper first mold 30 installed on the upper mold, and a lower side movable mold 4 '. The upper mold 2 is installed on the upper side of the upper mold 2 by using a device composed of upper first mold left and right sides 31 and 31 'forming the left and right sides of the first mold 30. By advancing the upper mold forward and backward rod 32 connected to the support 200, using the upper second mold 100 and the lower mold (1), injection molding, and then on the upper mold (2) The upper mold forward and backward rod rod 32 connected to the installed upper support 200 is reversed, detached, and then rotated the upper mold (2), and then the upper first mold (30) of the transition upper insert (2) And by using the first mold side slide 33 and the surface of the injection molded product on the surface of the injection molded product uniformly and smoothly (coating), and then the product to detach the product with a mil pin of the lower mold (1) is inserted into multiple injection molding method Relates to a device.

The upper and lower supports 200 and the upper mold 2 of the present invention uses the technique of raising and lowering by a normal hydraulic cylinder, so the detailed description is omitted in the present invention.

The upper mold forward and backward rod rod 32 and the chain drive motor 250 and the upper support gear 252 connected to the upper support 200 is a device for rotating the upper mold (2), the rotation of the upper mold (2) Separate molds are installed above and below the upper mold (2) to be an improved invention for injection and cloth insert in a single device using a separate mold.

Two chain drive motors 250 installed on one side of the front and rear surfaces of the upper support 200 of the present invention, an upper support gear 252 installed on one side of the front and rear surfaces of the upper support 200, and the upper support center portion. Is connected to the front side to the outside 201, and consists of the upper mold forward and backward rod rod 32 connected to the outer one side of the upper mold (2) of the lower,

In the present invention, the upper second mold 100 is formed at the lower portion of the upper mold 30, and is formed in a shape for forming a product shape, and the upper first mold 30 of the upper mold 2 has an inner portion. It is composed of a conventional cloth guide Robert (not shown) formed on one side and the cloth 50 is fixed to the upper portion, and consists of an upper first mold side slide 33 forming a lower one side.

In addition, the upper mold gear 251 is provided on the outside of the front and rear surfaces of the upper mold (2), the upper mold gear 251 is connected to the upper support support gear 252 by the chain 300 rotates, the upper inside Mold forward and backward rod 32 is located, the upper mold forward and backward rod 32 is a structure that is connected to the upper support 200 is installed on the top.

The lower mold (1) is formed on one side of the lower fixed mold (3), the lower fixed mold (4) formed on the lower fixed mold (3), and the lower fixed mold (4) is moved to the left and right A lower side movable mold 4 ', a nozzle 16 penetrating through the center of the lower fixed mold 4 of the lower fixed mold 3 to inject resin into the mold, and the lower fixed mold 4 It consists of a plurality of mil pin (41) formed through the center of the) and the two vertical hydraulic cylinder (10) formed on the left and right sides of the lower fixed mold (4) to operate the mil pin (41) up and down.

The upper mold side slide movement interval (α = 5mm) is formed between the upper first mold 30 and the upper first mold side slide 33 at the time of rising, so that the lower mold coincides with the lower mold at the time of falling. The first mold 30 and the upper first mold side slide 33 are in close contact with each other, and on the contrary, the upper mold side slide moving interval (α = 5mm) is formed on the outer side of the upper first mold side slide 33 to move up and down. Will be.

In the present invention, by using the same principle as described above, the coating of the cloth on the bent portion on the side of the injection-molded article, the upper first mold 30 installed on the upper part of the upper mold (2) to the upper part of the lower mold (1) When lowered toward the molded product, the cloth and the primary molded product inserted into the lower inner side of the upper mold 30 is pressed,

The curved side of the injection molded product has a locking block 35 which protrudes to the lower side of the upper first mold side slide 33 which is inclined inward to the side of the upper mold 30 positioned below the transition. Part 1 formed on one side of the mold fixing part 3 is inserted into the locking block groove 11 inclined inward, the upper first mold side slide 33 formed on the side of the upper mold 30, the lower side of the injection molded article It comes in close contact with the curved side (in this case, the upper mold side slide moves in the direction of the injection molded part by the upper mold side slide moving distance (α = 5mm)) and at the same time a constant pressure (set) is applied The upper first mold side spring 34, which is uniformly transition-coated (adhered) to a predetermined time or more than a predetermined pressure (set), installed on the upper side of the upper first mold side slide 33, repulses and signals it to the upper side. The first mold side slide 33 is a circle At the same time, the first upper mold 30 is raised, and the cloth is uniformly coated (bonded) to the curved surface on the injection molded product surface and sides.

At this time, if the curved surface is four, all four surfaces can be carried out by adding a plurality of upper first mold side slides 33 as described above, and at the same time, a ceiling lamp on the surface of the injection-molded article in which projections such as embossing are formed on the surface. The adhesive may be uniformly adhered (coated), or by installing a plurality of devices as described above to manufacture injection molded articles coated with a plurality of fabrics at the same time.

Hereinafter, the present invention will be described in detail through examples.

Example

1st process (cloth insert process)

As shown in Figure 1 , in the state, the upper and lower molds and the upper support (1, 2, 200) spaced apart, the inner lower portion of the upper first mold 30 of the upper mold (2) formed on the upper mold (2) The cloth is manually injected through a guide Robert (not shown), and a plurality of spaced predetermined intervals are formed at one side of the upper first mold inner upper part 22 of the upper first mold 30, and a fixing pin is provided at the rear end. After fixing to the insert cloth fixing pin 23 with the spring 24,

2nd process (resin injection and molding process)

The lower mold (1) operates the lower side movable cylinder (8) installed on the upper side of the lower mold fixing part (3) to move the lower side movable mold (4 ') of the lower mold (1) toward the lower fixed mold (4). After moving to match the lower mold (1),

As shown in FIG. 3 , the upper mold support 200 and the upper mold 2 positioned below the upper mold support 200 are lowered, and the upper second mold 100 of the upper mold 2 is lowered. Move to (1) and combine, (the chain 300 will be loose, at this time)

Resin is injected into the space portion between the upper second mold 100, the lower fixed mold 4, and the lower side movable mold 4 ′ through the nozzle 16 formed in the lower mold 1, and thus the outside of the mold. When all the resin injection amount set by the controller (not shown) installed in the injection, the shape of the product is primarily molded,

As shown in FIG. 4, the upper mold support 200 and the upper mold 2 are raised to detach the upper second mold 100 from the lower mold 1,

If two chain driving motors 250 are installed on one side of the front and rear surfaces of the upper support 200, the upper support gears installed on one side of the front and rear surfaces of the upper support 200 connected to the shaft of the chain drive motor 250. 252 is rotated, the upper support support gear 252 and the chain 380 connected to the upper mold gear 251 of the upper mold is rotated, the upper mold 2 is rotated, the upper agent is inserted into the transition in the first process 1 mold 30 is matched to the lower mold (1) direction,

The lower mold (1) operates the lower side movable cylinder (8) installed on the upper side of the lower mold fixing portion (3) to move the lower side movable mold (4 ') of the lower mold (1) from the lower fixed mold (4). After moving it outward and putting it back to its original position,

3rd process (cloth adhesion (coating) process)

As shown in FIG. 5, the upper mold support 200 and the upper mold 2 are lowered before the primary molded product is completely hardened, so that the upper first mold 30 of the upper mold 2 coincides with the lower mold. And, the first mold is molded and the cloth is inserted into the lower inner side of the upper mold 30,

The curved side of the side, the locking block 35 is provided to protrude to the lower side of the upper first mold side slide 33 which is inclined inward to the side of the upper first mold 30 located in the lower transition Part 1 formed on one side of the mold fixing part 3 is inserted into the locking block groove 11 inclined inward, the upper first mold side slide 33 formed on the side of the upper mold 30, the lower side of the injection molded article Reach close to the curved side,

When a certain pressure (set) is applied, the transition surface (adhesion) is uniformly applied to the curved side, and if a predetermined time or a predetermined pressure (set) or more, the upper first mold side spring 34 repulses and signals it. The upper first mold side slide 33 is returned to its original position, and at the same time, the upper first mold 30 is raised, and the fabric is uniformly coated (bonded) to the curved surface on the surface and sides of the injection-molded article, and at this time, the curved surface If it is four sides, all four sides can be installed by adding the above device)

As described above, after molding the finished product with a cloth, after a certain time,

4th process (demolition process)

As shown in FIG. 6 , when the upper mold support 200 and the upper mold 2 (the upper first mold 30) are raised, a product formed on the upper portion of the lower fixing mold 4 remains, and at this time, the lower fixing When the two up and down hydraulic cylinders 10 formed on the left and right sides of the mold 4 rise, the lower upper and lower tight plates 5 and 6 formed on one side of the upper and lower hydraulic cylinders 10 rise together. The plurality of mill pins 41 fixed to the upper portion of the lower upper plate 5 is raised to the lower part of the secondary molded product through the lower mold lower portion to push out the molded product to remove the molded product to insert a multi-insert molded article After the production, the method returns to the first step and performs a method of manufacturing a multi-injection molded article which is repeatedly inserted into a transition.

By installing a plurality of the above mold, it is possible to injection molding a number of products at the same time, the upper mold rotating device 38 can be installed and used in the rear as well as the front.

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

1 is a detailed side view of the insert cloth installation in the open mold of the present invention, FIG. 2 is a front state diagram in which the upper second mold of the present invention is advanced left and right, and FIG. 3 is a side view in which the upper second mold of the present invention is advanced left and right. 4 is a front state diagram of the lower mold and the upper second mold of the present invention, FIG. 5 is a side view of the lower mold and the second upper mold of the present invention, and FIG. 6 is the upper second mold of the present invention. Fig. 7 is a side view of the retracted side view, Fig. 7 is a detailed side view of the upper mold being bonded to the surface of the upper molded product of the lower mold of the present invention, and Fig. 8 is a detailed side view of the molded article taken out from the mold of the present invention. Figure 1 shows a detailed front view of the molded product taken out from the mold of the present invention,

Lower mold (1), upper mold (2), lower mold fixing part (3), lower fixing mold (4), lower side movable mold (4 '), lower upper sealing plate (5), lower lower sealing plate (6), Hydraulic cylinder support (7), lower side movable cylinder (8), resin inlet (9), up and down hydraulic cylinder (10), locking block groove (11), insert fabric fixing pin (13), fixed pin spring (14), Nozzle 16, upper first mold inner upper part 22, insert fabric fixing pin 23, fixing pin spring 24, upper first mold 30, upper mold left and right parts (31, 31 '), upper Mold back and forth rod 32, upper first mold side slide 33, upper first mold side spring 34, locking block 35, upper first mold side slide bolt 37, upper mold rotating device ( 38), the upper first mold center side portion 39, the upper second mold 100, the mill pin 41, the upper mold support 200, the chain drive motor 250, the upper mold gear, the upper support gear 252 , Chain 380, α: it can be seen that the upper mold side slide movement interval.

Looking at the structure, as shown in Figures 1 and 2, the upper mold (2) and the upper mold (2) provided with the upper first mold 30 and the upper second mold 100 in the lower portion, and the upper mold (2) The upper mold gear 251 installed on the outside of the front rear of the upper mold forward and backward rod rods 32 and the upper mold forward and backward rod rods 32 located inside the chain 380 connected to the upper mold gear 251, Is connected to the upper end of the upper support (200) installed on the upper side of the upper mold (2), two chain drive motor 250 installed on one side inside the front and rear of the upper support 200, and the upper An upper support gear 252 installed on one side of the front and rear surfaces of the support 200, the upper mold gear 251, a chain 380 connected to the upper support gear 252, and

Located in the lower portion of the upper mold (2), the lower mold fixing portion (3), the lower fixing mold (4) formed on the lower mold fixing portion (3), and the lower side moving mold (4 ') A lower mold 1, an upper mold side slide 33 which forms a lower side of the upper first mold 30 installed on the upper mold, and an inflow such that a cloth is fixed to an inner upper portion of the upper mold 2. And as a multi-injection molding is inserted into the fabric is provided with a conventional cloth guide Robert (not shown) formed on one side, more specifically,

The upper support 200 has a central portion moved up and down, and the upper support center portion 201 on one side, two chain drive motor 250 installed on one side inside the front and rear surfaces of the upper support 200, and the upper support ( Upper support gear 252 installed on one side outside the front and rear of the 200, and the upper mold connected to the front outer side to the central portion of the upper support 201, the upper mold connected to the upper mold rotating device 38 of the upper mold (2) of the lower Composed of forward and backward rod 32

The upper mold (2) is composed of the upper first mold (30) for heat-sealing the cloth to the product by inserting the cloth on the top, and the upper second mold (100) for injection molding the product at the bottom,

It is provided with an upper mold gear 251 installed on the outside of the front and rear surface of the upper mold (2), and the upper mold forward and backward rod rod 32 located inside the chain 380 connected to the upper mold gear 251,

The upper first mold 30 is composed of an upper first mold side slide 33 installed on one side, and a locking block 35 below the upper first mold side slide 33.

Insert top fixing pins formed at two spaced apart intervals on one side of the upper first mold inner upper portion 22 formed on the lower inner upper portion of the upper first mold center portion 30 and the upper first mold inner upper portion 22 (23) and a fixed pin spring (24) formed at the end of the insert cloth fixing pin (23) to give elasticity to the insert fixing pin (23),

The upper first mold side slide 33 constitutes one side lower portion of the upper mold 30 and the upper first mold side slide moving interval between the upper mold 30 and the upper first mold side slide 33 (α = 5 mm) is formed,

The upper first mold side spring 34 formed on the outside of the multi-stage upper first mold side slide bolt 37 provided on the upper mold 30 and the boundary line on the upper side, and the upper first mold side slide 33. Consists of a locking block (35) installed to protrude to the bottom of the

The lower mold (1) is located above the lower mold fixing part (3),

A lower fixing mold 4 fixedly installed on the lower mold fixing part 3 and an upper side of the lower mold fixing part 3 and installed on one side of the lower fixing mold 4 to move left and right; A lower side movable cylinder (1-2) installed at a lower portion of the movable mold (4 ') and a lower side movable mold (4') to move the lower side movable mold (4 ') to the left and right;

Insert fixing pin (13) formed on the upper edge of the lower fixing mold (4) formed on the upper part of the lower mold fixing part (3), and formed on the end of the insert fixing pin (13) Fixed pin spring 14 to give elasticity to

Is formed on one side of the lower mold fixing part (3), the locking block 35 of the upper mold (2) is inserted when the upper mold (2) is lowered and the locking block groove 11 inclined inward and the lower A nozzle 16 penetrating through the center of the lower fixing mold 4 formed on the upper part of the mold fixing part 3 to inject resin into the mold, and a predetermined distance from the lower edge of the lower fixing mold 4; A plurality of mil pins 41 are formed to be spaced apart and penetrate the upper and lower portions of the lower fixing mold 4 to push up the molded product upward, and are formed on the left and right sides of the lower mold fixing part 3. Became,

The lower upper plate (5) formed on the lower portion of the plurality of mill pins (41), the lower lower plate (6) formed on the lower upper plate (5), and the lower mold fixing portion (3) It is formed on the left and right and up and down hydraulic cylinder 10 for moving the upper and lower tight plates (5, 6) for supporting the mill pin 41 up and down, and is formed in the lower portion of the upper and lower hydraulic cylinder (10) 10) a hydraulic cylinder support (7) for fixing the nozzle, a nozzle (16) installed in the center of the lower mold fixing part (3) for injecting resin into the lower fixing mold (4), and the nozzle (16). It is a multi-injection molding apparatus that is a lower end of the fabric is inserted into the fabric consisting of a resin inlet (9) for injecting resin into the nozzle (16).

In addition, the inside of the lower mold (1) can be used by forming a conventional cooling device (not shown) for protecting the nozzle 16 from the heat generated during resin injection, which is selectively formed according to the resin injection amount Can be used.

In the present invention as described above, two types of molds are installed in one apparatus and one upper mold, and the upper mold is rotated to alternately coincide with the lower mold, and at the same time, the skin material (leather, artificial leather, nonwoven fabric, cloth). , Synthetic resin sheet and film) can be adhered to the outside of injection-molded product to reduce the cost and to improve the quality of molded products. It can reduce, reduce the installation space, improve the quality economically, and the effect that the fabric is easily detached after a certain time.

Claims (5)

In the injection molding method in which the cloth is inserted, 1st process (cloth insert process) Cloth guide Robert (not shown) in the inner lower portion of the upper first mold 30 of the upper mold (2) formed on the upper side of the lower mold (2) with the upper and lower molds and the upper support (1,2,200) spaced apart Manual injection of the cloth through a) is formed a plurality of spaced apart at regular intervals on one side of the upper first mold inner upper portion 22 of the upper first mold 30, the fixing pin spring 24 at the rear end After fixing to the insert cloth fixing pin 23 provided, 2nd process (resin injection and molding process) The lower mold (1) operates the lower side movable cylinder (8) installed on the upper side of the lower mold fixing part (3) to move the lower side movable mold (4 ') of the lower mold (1) toward the lower fixed mold (4). After moving to match the lower mold (1), While lowering the upper mold support 200 and the upper mold (2) located in the lower portion of the upper mold support 200, the upper second mold 100 of the upper mold (2) moves to the lower mold (1) When combined, (the chain 300 will be loose,) Resin is injected into the space portion between the upper second mold 100, the lower fixed mold 4, and the lower side movable mold 4 ′ through the nozzle 16 formed in the lower mold 1, and thus the outside of the mold. When all the resin injection amount set by the controller (not shown) installed in the injection, the shape of the product is primarily molded, After the upper mold support 200 and the upper mold 2 are raised, the upper second mold 100 is detached from the lower mold 1, If two chain driving motors 250 are installed on one side of the front and rear surfaces of the upper support 200, the upper support gears installed on one side of the front and rear surfaces of the upper support 200 connected to the shaft of the chain drive motor 250. 252 is rotated, a chain 380 connected to the upper support gear 252 and the upper mold gear 251 of the upper mold is rotated to rotate the upper mold (2), In the first process, the upper first mold 30, which is transition-inserted, is aligned in the lower mold 1 direction, The lower mold (1) operates the lower side movable cylinder (8) installed on the upper side of the lower mold fixing portion (3) to move the lower side movable mold (4 ') of the lower mold (1) from the lower fixed mold (4). After moving it outward and putting it back to its original position, 3rd process (cloth adhesion (coating) process) The upper mold support 200 and the upper mold 2 are lowered before the primary molded product is completely hardened, so that the upper first mold 30 of the upper mold 2 coincides with the lower mold, and the upper mold ( 30) press the fabric and the primary molded product inserted into the lower inner side, The curved side of the side, the locking block 35 is provided to protrude to the lower side of the upper first mold side slide 33 which is inclined inward to the side of the upper first mold 30 located in the lower transition Part 1 formed on one side of the mold fixing part 3 is inserted into the locking block groove 11 inclined inward, the upper first mold side slide 33 formed on the side of the upper mold 30, the lower side of the injection molded article Reach close to the curved side, When a certain pressure (set) is applied, the transition surface (adhesion) is uniformly applied to the curved side, and if a predetermined time or a predetermined pressure (set) or more, the upper first mold side spring 34 repulses and signals it. The upper first mold side slide 33 is returned to its original position, and at the same time, the upper first mold 30 is raised, and the curved surface is uniformly coated (adhered) to the surface and sides of the injection-molded article, as described above. After molding the attached finished product, after a certain time, 4th process (demolition process) When the upper mold support 200 and the upper mold 2 (the upper first mold 30) are raised, a product formed on the upper portion of the lower fixed mold 4 remains, and at this time, the lower fixed mold 4 When the two upper and lower hydraulic cylinders 10 formed on the left and right sides are raised, the lower upper and lower wheat plates 5 and 6 formed on one side of the upper and lower hydraulic cylinders 10 are raised together, and the lower upper and lower plates ( 5) a plurality of mill pins 41 fixed to the upper portion of the lower mold to rise through the lower part of the secondary molded product to push the molded product to remove the molded product to manufacture a multi-injection molded article is inserted into the transition A multi-injection molding method in which a transition is inserted, characterized in that the process is repeatedly performed in one step. In a multi-injection molding apparatus with a transition insert, An upper mold (2) having an upper first mold (30) at an upper portion and an upper second mold (100) at a lower portion thereof, an upper mold gear (251) provided at an outer side of the front and rear surfaces of the upper mold (2), and The upper mold forward and backward rod rod 32 located inside the chain 380 connected to the upper mold gear 251, and is connected to the upper end of the upper mold forward and backward rod rod 32, the upper mold (2) The upper support 200 installed in the upper, two chain drive motor 250 installed on one side inside the front and rear of the upper support 200, and the upper support gear installed on one side of the front and rear of the upper support 200 ( 252, the upper mold gear 251, the chain 380 connected to the upper support gear 252, and the lower mold fixing part 3 and the lower mold fixing part 3. The lower fixing mold 4 formed on the upper part of the mold fixing part 3 and the lower side moving mold 4 'are installed on the lower mold 1 and the upper mold. An upper mold side slide 33 forming a lower one side of the upper first mold 30, and a cloth guide Robert (not shown) formed on one side of the upper mold side slide 33 so that the fabric is fixed to the inner upper portion of the upper mold 2. Consists of, The lower mold (1) is located above the lower mold fixing part (3), The lower fixing mold (4) and the lower fixing mold (4) is fixed to the upper portion of the lower mold fixing part (3), is installed on one side of the lower fixing mold (4) is moved to the left and right A lower side moving mold (1-2) installed at a lower side moving mold (4 ') and a lower side moving mold (4') to move the lower side moving mold (4 ') to the left and right; Insert fixing pin (13) formed on the upper edge of the lower fixing mold (4) formed on the upper part of the lower mold fixing part (3), and formed on the end of the insert fixing pin (13) Fixed pin spring 14 to give elasticity to Is formed on one side of the lower mold fixing part (3), the locking block 35 of the upper mold (2) is inserted when the upper mold (2) is lowered and the locking block groove 11 inclined inward and the lower A nozzle 16 penetrating through the center of the lower fixing mold 4 formed on the upper part of the mold fixing part 3 to inject resin into the mold, and a lower edge portion of the lower fixing mold 4; A plurality of mil pins 41 formed to be spaced apart from each other and pushed up and down through the inner upper portion of the lower fixing mold 4 to be pushed out to the upper part, and left and right sides of the lower mold fixing part 3 A lower upper plate (5) formed at lower portions of the plurality of mill pins (41) to be fixed, a lower lower plate (6) formed at a lower portion of the lower upper plate (5), and the lower mold fixing portion (3) Is formed on the left and right sides of the upper and lower portions (5, 6) for supporting the mill pin (41) up and down An up and down hydraulic cylinder 10 to be moved, a hydraulic cylinder support 7 formed at a lower portion of the up and down hydraulic cylinder 10 to fix the up and down hydraulic cylinder 10, and a central portion of the lower mold fixing part 3 And a resin inlet 9 for injecting resin into the lower fixing mold 4 and a resin inlet 9 for injecting resin into the nozzle 16. Multiple injection molding apparatus characterized by the transition insert. According to claim 2, The upper support 200 is moved up and down the center portion and the upper support center portion 201 on one side, and two chain drive motor 250 installed on one side inside the front and rear surfaces of the upper support 200 and And, the upper support gear 252 installed on one side outside the front and rear surfaces of the upper support 200 and the upper support center of the upper support central portion 201, the upper mold rotating device (38) of the lower upper mold (2) Multi-injection injection molding is inserted into the insert, characterized in that it comprises a top mold forward and backward rod rod (32) connected to. The method of claim 2, wherein the upper mold (2) is composed of an upper first mold 30 for heat-sealing the cloth to the product by inserting the cloth on the upper side, and an upper second mold 100 for injection molding the product at the bottom, It comprises an upper mold gear 251 installed on the front and rear outer side of the upper mold (2), and the upper mold forward and backward rod rod 32 located inside the chain 380 connected to the upper mold gear 251. Multi-insertion injection molding inserts characterized in that The method of claim 2, wherein the upper first mold 30 is composed of an upper first mold side slide 33 installed on one side, and a locking block 35 in the lower portion of the upper first mold side slide 33. The insert fabric fixing part formed at two spaced apart intervals on one side of the upper first mold inner upper part 22 formed on the lower inner upper part of the upper first mold center part 30 and the upper first mold inner upper part 22. It is provided with a pin 23 and a fixed pin spring 24 formed at the end of the insert cloth fixing pin 23 to give elasticity to the insert fixing pin 23, The upper first mold side slide 33 constitutes one side lower portion of the upper mold 30 and the upper first mold side slide moving interval between the upper mold 30 and the upper first mold side slide 33 (α = 5 mm) is formed, The upper first mold side spring 34 formed on the outside of the multi-stage upper first mold side slide bolt 37 provided on the upper mold 30 and the boundary line on the upper side, and the upper first mold side slide 33. The injection molding is inserted into the multiple injection molding, characterized in that it comprises a locking block 35 protruding to the lower portion.

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