KR102033650B1 - mold having a fixing device and method of manufacturing interior material using it - Google Patents

Abstract

A molding device having a disclosed fixing device comprises a first mold, a second mold, a slide mold, and a clamping device. The first mold has a first core molding area formed along a circumference of a core molding surface in which a core of an interior material is arranged for molding, a second core molding area protruding from the inside of the core molding surface to have a step with the first core molding area, and a third core molding area connecting the first core molding area and the second core molding area. The second mold has a first skin molding area facing the core molding surface and formed along a circumference of a skin molding surface in which skin of the interior material is arranged, a second skin molding area embedded inside the skin molding surface to have a step with the first skin molding area, and a third skin molding area connecting the first skin molding area and the second skin molding area. The slide mold is operated by a driving device combined with the second mold and folds the skin in a core direction by being in contact with the first skin molding area and moving to the inside of the second mold. The clamping device is elevated by being combined with an elevating device combined with the slide mold and pushes the skin arranged in the first skin molding area to fix the same. When the core and the skin are pressed, the skin and the core are engaged to be mounted, a temporary bonding process of real-stitched and sewed skin and core is not necessary, and manpower, time and costs required for an interior material manufacturing process can be reduced.

Description

Mold device with fixing device and method of manufacturing interior material using same

The present invention relates to a mold apparatus having a fixing device and a method of manufacturing interior materials using the same, and more particularly, to a fixing device used for pressing a skin and a core having a real stitch in an IMG molding process of an automobile interior material. It relates to a mold apparatus provided and a method capable of manufacturing the interior material using the same.

Recently, with the advancement of vehicle interior materials, In Mold Graining (IMG) has been introduced as a method for forming interior materials. IMG molding enables more advanced surface treatment of interior materials by using molds (eponymous molds) that are embodied with elaborate patterns or textures through electroforming.

In general, real stitches are used to express the luxury of automobile interior materials, and recently, interior materials having a stitch shape rather than real stitches have appeared.

The manufacturing process for the interior material with the real stitches implemented is as follows: ① Preforming the skin with IMG mold, ② Real stitch sewing on preformed skin, ③ Temporary adhesion of skin and core with real stitch sewing, ④ Pressing mold The glued skins and cores are made in compression order.

In the conventional manufacturing process of the interior material, which is implemented in real stitch, there is a problem in that a lot of labor costs and time are consumed because the temporary stitching process of the skin and the core of the real stitch sewing process is made by a human hand.

Korean Patent No. 10-1773138 discloses a method for manufacturing a vehicle interior material that can improve the quality as well as improve the bonding strength between the substrate core and the real skin pad because the stitch is formed directly on the skin pad (STITCH). have.

However, Patent No. 10-1773138 has a problem in that a lot of labor costs and time are consumed as in the conventional manufacturing process because the folding part exposed to the outside of the substrate core is folded and bonded to the substrate core.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mold apparatus having a fixing device in which the skin and the core can be well engaged with each other when the skin is pressed onto the core.

An object of the present invention is to provide a mold apparatus having a fixing device that can be made to automatically wrap the skin on the core.

An object of the present invention is to provide a mold apparatus having a fixing device that does not require the temporary bonding process of the skin and the core of the real stitch sewing operation.

It is also an object of the present invention to provide a method for manufacturing interior materials that can manufacture automobile interior materials using a mold apparatus provided with the fixing device.

The object is a first core forming region formed along a circumference of a core forming surface on which a core of an interior material for forming is disposed, and a second projecting protrusion having a step with the first core forming region inside the core forming surface. A first mold having a core forming region and a third core forming region connecting the first core forming region and the second core forming region; The first skin forming region formed along the circumference of the skin forming surface on which the skin of the interior material is disposed facing the core forming surface, and the second skin formed by being embedded to have a step with the first skin forming region inside the skin forming surface. A second mold having a shaping region and a third skin shaping region connecting the first skin shaping region and the second skin shaping region; A slide mold which is operated by a driving device coupled to the second mold and moves inwardly of the second mold while contacting the first skin forming region to fold the skin in the core direction; And a clamping device coupled to a lifting device coupled to the slide mold and capable of lifting and lowering and pressing and fixing a skin disposed in the first skin forming region.

In addition, the above object can be achieved by a mold apparatus having a clamping device including a vibrating device capable of vibrating the skin when pressing the core and the skin using the first mold and the second mold.

In addition, the above object can be achieved by a mold apparatus having a fastening device including a wrapping tube that is bulky when fluid is supplied to allow the fluid to be wrapped around the end of the core by folding the skin folded in the direction of the core and folded in the slide mold. .

In addition, the above object is achieved by a mold apparatus having a fixing device in which a wrapping groove is formed in a third core forming region so that the wrapping tube can be folded around the skin by folding the skin after the slide mold is moved. Can be.

In addition, the above object, the second mold is formed in the second skin forming region, the guide projection is inserted into the guide groove formed in the skin for the sewing operation to maintain the original shape of the stitch line sewn on the skin, the second mold The silver may be achieved by a mold apparatus having a fixing device in which a plurality of skin vacuum passages are formed on one side or both sides of the guide protrusion so as to stably adsorb the second mold.

In addition, the first mold, the first mold is coupled to the core heater for activating the adhesive applied to the core by heating the core, the second mold is heated to supply the hot water so that the adhesive can be easily adhered to the skin It can be achieved by a mold apparatus having a fixing device in which a hot water passage can be formed.

In addition, the above object, the slide mold is achieved by a mold apparatus having a fixing device is formed in the mounting groove is installed on the side facing the second mold, the wrapping tube is not in contact with the first skin forming region. Can be.

In addition, the above object, the slide mold can be achieved by a mold apparatus having a fixing device formed with an air passage connecting the air supply line and the mounting groove connected to the external air supply device to supply air to the wrapping tube. have.

In addition, the above object can be achieved by a mold apparatus having a fixing device to which the air heater is coupled to supply hot air to the wrapping tube.

In addition, the above object, the first mold is formed in the moving direction on the surface facing the second mold, the second mold, the second guide corresponding to the first guide is formed on the surface facing the slide mold The first guide and the second guide may be achieved by a mold apparatus having a fixing device in which one of the first guide and the second guide is inserted into the other and the slide mold moves along a predetermined path.

In addition, the object relates to a method for molding the interior material by using a mold apparatus having a fixing device, the first step of molding the surface of the skin using the IMG mold apparatus; A second step of forming a stitch line on the skin through a sewing operation; Disposing a core coated with an adhesive on the first mold; Disposing a skin on the second mold; A fifth step of fixing the skin using a clamping device; A sixth step of pressing the core and the skin using the first mold and the second mold while vibrating the skin with the clamping device; A seventh step of releasing the clamping device holding the skin and moving the slide mold to the inside of the second mold to fold the skin in the core direction; Supplying air to the wrapping tube to fold the skin to wrap the end of the core; A ninth step of discharging the air injected into the wrapping tube; A tenth step of moving the slide mold out of the second mold; The first mold and the second mold may be spaced apart to achieve the interior material manufacturing method comprising an eleventh step of taking out the interior material combined with the core and the skin.

In addition, the sixth step is to activate the adhesive applied to the core using a core heater coupled to the first mold, and to heat the skin using the hot water passage formed in the second mold to facilitate the adhesive to the skin To be bonded, the eighth step may be achieved by a method of manufacturing the interior material supplying hot air to the wrapping tube using an air heater coupled to the slide mold.

According to the mold apparatus provided with the fixing device according to the present invention, the first core molding region formed along the circumference of the core molding surface on which the core of the interior material for molding is disposed, and the first core molding region inside the core molding surface; A first mold having a second core forming region protruding to have a step and a third core forming region connecting the first core forming region and the second core forming region; The first skin forming region formed along the circumference of the skin forming surface on which the skin of the interior material is disposed facing the core forming surface, and the second skin formed by being embedded to have a step with the first skin forming region inside the skin forming surface. A second mold having a shaping region and a third skin shaping region connecting the first skin shaping region and the second skin shaping region; A slide mold which is operated by a driving device coupled to the second mold and moves inwardly of the second mold while contacting the first skin forming region to fold the skin in the core direction; And a clamping device coupled to a lifting device coupled to a slide mold to lift and press a skin disposed in the first skin molding area, so that the skin and the core are mutually compressed when the skin is pressed. It can be meshed and seated, eliminating the need for temporary bonding of real stitched skins and cores, and reducing the manpower, time and cost of the interior fabrication process.

In addition, according to the mold apparatus provided with the fixing device according to the present invention, since the clamping device may include a vibrating device capable of vibrating the skin when pressing the core and the skin using the first mold and the second mold, the core When pressing and skins, skins and cores can be engaged with each other.

In addition, according to the mold apparatus having a fixing device according to the present invention, since the fluid is supplied so that the fluid can be wrapped to the end of the core by folding the skin folded in the direction of the slide mold and folded in the direction of the core, The wrapping process can be automated.

In addition, according to the mold apparatus provided with the fixing device according to the present invention, the first mold has a wrapping groove is formed in the third core forming region so that the wrapping tube after the slide mold moves to wrap the skin to wrap the end of the core As a result, the wrapping process can be automated.

In addition, according to the mold apparatus provided with the fixing device according to the present invention, the second mold has a guide protrusion which is inserted into the guide groove formed in the skin for the sewing work so as to maintain the original shape of the stitch line sewn on the skin. It is formed in the skin molding region, the second mold is a plurality of skin vacuum passages can be formed on one side or both sides of the guide projection so that the skin can be stably adsorbed to the second mold, so that the skin is stably The work can be done in one state and the stitch lines sewn on the skin can be prevented from skewing.

In addition, according to the mold apparatus having a fixing device according to the present invention, the first mold is coupled to the core heater for activating the adhesive applied to the core by heating the core, the second mold is heated to the skin to the adhesive Hot water passage can be formed so that hot water can be easily attached to the hot water, so that the core and the skin can be easily adhered to each other without undergoing a separate heat treatment process, and the core and skin are distorted due to the temperature difference between the core and the skin after cooling. Can be prevented.

In addition, according to the mold apparatus having a fixing device according to the present invention, the slide mold is formed in the mounting groove on which the wrapping tube is installed on the surface facing the second mold, the wrapping tube may not be in contact with the first skin forming region. Therefore, it is possible to prevent the breakage of the wrapping tube when the slide mold moves.

In addition, according to the mold apparatus having a fixing device according to the present invention, since the slide mold can be formed in the air passage connecting the air supply line and the mounting groove connected to the external air supply device to supply air to the wrapping tube In addition, the air supply line connecting the external air supply device and the wrapping tube is exposed to the outside of the slide mold to prevent damage when the slide mold is moved.

In addition, according to the mold apparatus having a fixing device according to the present invention, since the air heater can be coupled to supply a high temperature air to the wrapping tube, it is possible to heat the skin surrounding the end of the core.

In addition, according to the mold apparatus provided with the fixing device according to the present invention, the slide mold has a first guide is formed in the moving direction on the surface facing the second mold, the second mold is the first mold on the surface facing the slide mold A second guide corresponding to the guide is formed, and the first guide and the second guide can be inserted into the other one, so that the slide mold can move a certain path, so that the quality of the skin surrounding the end of the core can be kept constant. have.

In addition, according to the method for manufacturing the interior material according to the present invention, a method for molding the interior material using a mold apparatus having a fixing device, comprising: a first step of molding the surface of the skin using the IMG mold apparatus; A second step of forming a stitch line on the skin through a sewing operation; Disposing a core coated with an adhesive on the first mold; Disposing a skin on the second mold; A fifth step of fixing the skin using a clamping device; A sixth step of pressing the core and the skin using the first mold and the second mold while vibrating the skin with the clamping device; A seventh step of releasing the clamping device holding the skin and moving the slide mold to the inside of the second mold to fold the skin in the core direction; Supplying air to the wrapping tube to fold the skin to wrap the end of the core; A ninth step of discharging the air injected into the wrapping tube; A tenth step of moving the slide mold out of the second mold; Since the first mold and the second mold may include an eleventh step of taking out the inner material combined with the core by separating the mold, the skin and the core may be well engaged with each other when the core and the skin are compressed, and the real stitch It eliminates the need for temporary bonding of sewn skins and cores and saves manpower, time and cost for the interior fabrication process.

In addition, according to the manufacturing method of the interior material according to the present invention, the sixth step is to activate the adhesive applied to the core using a core heater coupled to the first mold, and to heat the skin by using a hot water passage formed in the second mold The adhesive can be easily adhered to the skin, and the eighth step can supply hot air to the wrapping tube using an air heater coupled to the slide mold, thereby heating the skin surrounding the end of the core to facilitate the core and the skin. At the same time, it is possible to prevent the distortion due to the temperature difference between the core and the skin after cooling.

1 is a perspective view of a vehicle center console which is one of the interior materials that can be produced by the mold apparatus having a fixing device according to the present invention and the interior materials manufacturing method using the same.
2 is a cross-sectional view of the vehicle center console of FIG. 1.
3 is an exploded cross-sectional view of the vehicle center console of FIG. 2.
4 is a schematic cross-sectional view of a mold apparatus with a fixing device according to the present invention.
5A to 5F are cross-sectional views schematically illustrating a process of manufacturing an interior material using a mold apparatus having a fixing device according to the present invention.
Figure 6 is a flow chart showing a method of manufacturing the interior material using a mold apparatus having a fixing device according to the present invention.

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

However, in describing the present invention, descriptions of already known functions or configurations will be omitted to clarify the gist of the present invention.

The X, Y, and Z axes shown in the drawings are arbitrarily determined for convenience of explanation, not for the purpose of limiting rights. The X axis indicates the forward (arrow side) and the rear (the opposite side of the arrow), and the Y axis indicates the left and right directions. Z axis is defined as indicating up and down direction.

Each direction described below is based on this, except where specifically limited otherwise.

Top (top), bottom (bottom), left and right (side or side), front (front, front), rear (fold, back), etc. refer to directions in the description of the invention, claims, etc. are not intended to limit the rights. For convenience of description, the relative positions between the drawings and the configurations are set based on the relative positions, and the directions described below are based on the embodiments, except where specifically defined otherwise.

The mold apparatus 10 having the fixing device according to the present invention can be applied to the production of the automotive interior 20 in which the stitch line 42, such as a glove box, a dashboard, a door panel, and the like, can be applied. An example is the center console, which is a box installed between sheets.

Referring to Figure 1, there is shown a car center console which is one of the mold apparatus 10 having a fixing device according to the present invention and the interior material 20 that can be produced by the method of manufacturing the interior material 20 using the same.

Looking at the cross section of the center console with reference to Figures 2 and 3, the core 30 corresponding to the skeleton to shape the inside is located and the skin 40 covers the outside of the core 30.

The skin 40 has a shape surrounding the side end of the core 30, and the upper surface of the core 30 and the rear surface 48 of the skin 40 are coupled through an adhesive 32.

The skin 40 has stitch lines 42 formed in the front and rear directions along the edge of the surface 42, and guide grooves 44 are formed in each stitch line 42.

The surface 42 of the skin 40 is preformed using an IMG mold apparatus.

Referring to FIG. 4, a mold apparatus 10 having a fixing device according to the present invention includes a first core molding formed along a circumference of a core forming surface on which a core 30 of an interior material 20 for molding is disposed. The second core shaping region 140 and the first core shaping region 120 and the first and second core shaping regions 140 are formed to protrude to have a step with the first core shaping region 120 inside the core shaping surface. A first mold 100 having a third core forming region 160 connecting the two core forming regions 140 to each other; A first skin forming region 220 facing the core forming surface and formed along a circumference of a skin forming surface in which the skin 40 of the interior material 20 is disposed, and the first skin forming inside the skin forming surface. The second skin forming region 240 formed to be recessed to have a step with the region 220 and the third skin forming region 260 connecting the first skin forming region 220 and the second skin forming region 240. The second mold 200 is formed; The skin 40 is moved by the driving device 330 coupled to the second mold 200 and moved inside the second mold 200 while contacting the first skin forming region 220. A slide mold 300 that can be folded in the direction of the core 30; And a clamping device 600 which is coupled to the lifting device 610 coupled to the slide mold 300 and can be lifted and pressed by fixing the skin 40 disposed in the first skin forming region 220. Include.

Referring to Figure 5a, the first mold 100 is a configuration for placing and pressing the core 30 of the interior material 20 for molding on the lower surface, the lower surface corresponds to the core molding surface.

In the core forming surface, the first core forming region 120, the third core forming region 160, and the second core forming region 140 are continuously formed in an outward-inward direction.

The first core forming region 120 is connected to the third core forming region 160 as a portion corresponding to the circumference of the core forming surface.

The second core forming region 140 protrudes below the first core forming region 120 so that a bottom surface of the core 30 is disposed upside down, and a core vacuum passage that can adsorb the core 30. It may be connected to (170), the core vacuum passage 170 may maintain a state in which the core 30 is suspended upside by absorbing the lower surface of the core (30).

The core vacuum passage 170 may be connected to an external vacuum generating device and a vacuum supply line.

The first mold 100 may be provided with various restraining devices such as pins, tongs, and rings instead of the core vacuum passage 170 to maintain the core 30 suspended upside down, the core vacuum passage 170 In addition to the above), the restraint device may be further provided.

The third core forming region 160 is a portion where an inner surface of the core 30 is disposed, and connects the first core forming region 120 and the second core forming region 140.

The third core forming region 160 includes a wrapping groove 162 in which the slide mold 300 moves so that the wrapping tube 400 can fold the skin 40 to wrap the end of the core 30. Can be formed.

The wrapping groove 162 is a space entered from the upper portion of the third core forming region 160 to the inside, and the space in which the slide mold 300 and the clamping device 600 can move and the wrapping tube 400 is expanded. Provide space to do so.

The angles between the second skin forming region 240 and the third skin forming region 260 of the second mold 200 are the first core forming region 120 and the second core forming region of the first mold 100. If formed larger than the angle of 140, between the third core forming region 160 and the third skin forming region 260 to form a space that the wrapping tube 400 can fold the skin 40 The wrapping groove 162 may be substituted.

The first mold 100 may be coupled to a core heater 180 for heating the core 30 to activate the adhesive 32 applied to the core 30.

The core heater 180 is configured to heat the first mold 100 in contact with the core 30 to increase the temperature of the core 30. When the temperature of the core 30 is increased, the core heater 180 is applied to the core 30. The adhesive 32 is activated to easily adhere the core 30 and the skin 40.

The core heater 180 may use an IR heater (Infrared Heater), may use hot water or other heat sources as needed.

In order to activate the adhesive 32 applied to the core 30, the core heater 180 may heat the first mold 100 to about 140 to 160 ° C., but preferably to about 150 ° C. .

Referring to Figure 5a, the second mold 200 is a configuration for placing and pressing the skin 40 of the interior material 20 for molding on the upper surface, the upper surface corresponds to the skin molding surface.

The skin forming surface includes a first skin forming region 220, a third skin forming region 260, and a second skin forming region 240 in a continuous direction from the outer side to the inner side.

The first skin forming region 220 is connected to the third skin forming region 260 as a portion corresponding to the circumference of the skin forming surface.

The first skin forming region 220 is provided with the slide mold 300 and a driving device 330 for operating the same.

The second skin forming region 240 is recessed below the first skin forming region 220 so that the surface 42, which is the upper surface of the skin 40, is disposed upside down. The skin vacuum passage 270 may be connected to the skin vacuum passage 270, and the skin vacuum passage 270 absorbs the surface 42 of the skin 40 so that the skin 40 is disposed on the second mold 200. It can be kept stable.

The skin vacuum passage 270 may be connected to the external vacuum generator and the vacuum supply line.

The second mold 200 may be provided with various restraining devices such as pins, tongs, rings, and the like instead of the skin vacuum passage 270 to maintain the skin 40 disposed therein, and the skin vacuum passage 270. In addition to the above), the restraint device may be further provided.

The second mold 200 has a guide protrusion that prevents the stitch line 42 sewn on the skin 40 from being pressed while pressing the skin 40 and the core 30 to maintain a circular shape. 242 may be formed.

The guide protrusion 242 is configured to be inserted into the guide groove 44 formed in the skin 40 for sewing the stitch line 42, and can work in a state where the skin 40 is stably mounted. At the same time, the stitch line 42 sewn on the skin 40 can be prevented from being skewed.

The second mold 200 has a plurality of skin vacuum passages 270 on one or both sides of the second mold 200 spaced apart from the guide protrusion 242 so that the skin 40 can be stably adsorbed on the second mold 200. Can be formed.

When the skin vacuum passage 270 is formed on one or both of the guide protrusions 242, the skin protrusion 40 may be prevented from being released from the guide grooves 44. ) Can be mounted more stably and at the same time can maintain a constant quality of the molded interior 20 is completed.

The third skin shaping region 260 is a portion where the side surface of the skin 40 is disposed, and connects the first skin shaping region 220 and the second skin shaping region 240.

The second mold 200 may be formed with a hot water passage 280 to which hot water may be supplied to heat the skin 40 so that the adhesive 32 may be easily adhered to the skin 40.

The hot water passage 280 may be connected to an external hot water supply device and a hot water supply line, but may also directly heat the water contained in the hot water passage 280 using a hot water heater coupled to the second mold 200. Do.

The hot water passage 280 is a configuration for increasing the temperature of the skin 40 by heating the second mold 200 in contact with the skin 40. When the temperature of the skin 40 is increased, the skin 40 is folded to form a core. The process of wrapping the end of 30 can be easily performed.

When the temperature of the skin 40 is increased by using the hot water passage 280, the core 30 and the skin 40 can be easily adhered to each other and the core 30 and the skin 40 are distorted due to the temperature difference between the core 30 and the skin 40 after cooling. Can be prevented.

If only the core 30 is heated and the skin 40 is not heated, molding proceeds due to shrinkage due to a large temperature difference in the process of cooling the core 30 and the skin 40 after bonding. Since the deformation of 20) may occur, the hot water passage 280 may prevent the deformation.

In order to heat the skin 40, the hot water passage 280 may heat the second mold 200 to about 60 to 80 ° C., but preferably to about 70 ° C.

Referring to FIG. 4, the slide mold 300 is configured to wrap the core 30 by bending the skin 40, and is operated by the driving device 330 coupled to the second mold 200. A straight reciprocating motion can be performed in the inward direction from the outside of the two molds 200.

The drive device 330 is configured to operate the slide mold 300, it may use a cylinder using hydraulic or pneumatic.

The drive device 330 may use a motor and a power transmission means such as a gear, a cam, a link device.

The driving device 330 may be coupled to the second mold 200, and the first core forming region 120 and the first skin forming region 220 are compressed when the core 30 and the skin 40 are compressed. The first mold 100 and the second mold 200 can be maintained at a predetermined interval while contacting ().

The driving device 330 includes a switch which is operated when the core 30 and the skin 40 are pressed to contact the first core forming region 120 and the first skin forming region 220. The mold 300 may be driven.

The slide mold 300 may be provided with a mounting groove 340 in which the wrapping tube 400 is installed on a surface facing the second mold 200.

The mounting groove 340 is a space in which the wrapping tube 400 is installed, and the slide mold 300 moves the wrapping tube 400 in a state accommodated in the mounting groove 340.

The slide mold 300 has a first guide formed in the moving direction on the surface facing the second mold 200, the second mold 200 is the first mold on the surface facing the slide mold 300 A second guide corresponding to one guide may be formed.

The first guide and the second guide is configured to allow the slide mold 300 to move a predetermined path by inserting one into the other, and the quality of the skin 40 surrounding the end of the core 30 is fixed. I can keep it.

The slide mold 300 may move the clamping device 600 to press and fix the skin 40.

Referring to FIG. 4, the mold apparatus 10 having the fixing device according to the present invention may include a clamping device 600 capable of pressing and fixing the skin 40 disposed on the second mold 200. have.

The clamping device 600 prevents the position of the skin 40 from being changed in the process of compressing the core 30 and the skin 40 by using the first mold 100 and the second mold 200. As a configuration for the purpose, the clamping device 600 is coupled to the lifting device 610 is coupled to the front of the front direction of the slide mold (300).

The elevating device 610 is configured to connect between the clamping device 600 and the slide mold 300, the clamping device 600 may move in the vertical direction relative to the elevating device (610).

The elevating device 610 may include a motor and a gear to move the clamping device 600 in the vertical direction, and may use a motor and a power transmission means such as a cam or a link device.

The lifting device 610 may use a cylinder using hydraulic or pneumatic, or may use a linear motor to move the clamping device 600 in the vertical direction.

As shown in FIG. 5A, when the skin 40 is disposed on the first mold 100, the clamping device 600 is spaced apart from the skin 40.

As shown in FIG. 5B, when the core 30 and the skin 40 are compressed using the first mold 100 and the second mold 200, the lifting device 610 moves the clamping device 600 downward. And the clamping device 600 presses the skin 40 so that the skin 40 is initially placed in the first mold 100.

As shown in FIG. 5C, the lifting device 610 moves the clamping device 600 upward to move the slide mold 300 to surround the core 30 with the skin 40. The contact that the device 600 presses on the skin 40 is released.

The forward direction of the slide mold 300 may be formed in the inclined surface inclined at a predetermined angle in the rear direction, the clamping device 600 is elevated along the inclined surface by the lifting device 610 coupled to the inclined surface. Since the slide mold 300 is advanced, the space occupied by the clamping device 600 can be saved.

The clamping device 600 is a vibrator capable of vibrating the skin 40 when pressing the core 30 and the skin 40 by using the first mold 100 and the second mold 200 ( 620).

When the vibrator 620 compresses the core 30 and the skin 40 using the first mold 100 and the second mold 200, the skin 40 and the core 30 are well connected to each other. As a configuration to be engaged and seated, it is coupled to the clamping device 600.

The vibration device 620 may use a vibration motor that is generally used, such as a rotary motor for generating vibration by rotating a weighted body having an eccentricity or a linear motor for generating vibration by generating a resonance mode through a square wave excitation. Can be.

As illustrated in FIG. 5B, when the core 30 and the skin 40 are compressed by using the first mold 100 and the second mold 200, the clamping device 600 moves downward to form the skin ( After pressing 40, the vibrator 620 vibrates the skin 40.

When the vibrator 620 vibrates the skin 40, the resistance that may occur when the skin 40 and the core 30 are engaged with each other may be reduced, and thus the skin 40 and the core 30 may be reduced. Can be pressed in a precisely seated state.

Referring to Figure 4, the mold apparatus having a fixing device according to the present invention, the slide mold so as to surround the end of the core 30 by folding the skin 40 folded in the direction of the core 30 It is coupled to the 300 and includes a wrapping tube 400 that is bulky when the fluid is supplied.

The wrapping tube 400 is made of a flexible material (rubber, silicone, elastomer, etc.) having an elastic force, and expands when air is supplied and returns to an initial state when the supplied air is discharged.

Since the wrapping tube 400 does not contact the first skin forming region 220 before air is supplied, the wrapping tube 400 may prevent breakage of the wrapping tube 400 when the slide mold 300 moves.

The slide mold 300 has an air passage 360 connecting the air supply line 510 and the mounting groove 340 connected to the external air supply device 500 to supply air to the wrapping tube (400). Can be formed.

The air passage 360 is a passage through which the air supplied from the air supply device 500 moves to the wrapping tube 400 installed in the mounting groove 340. The air passage 360 may include the air supply device ( 500 is connected to the air supply line 510.

The air passage 360 is damaged when the slide mold 300 is moved because the air supply line 510 connecting the outside air supply device 500 and the wrapping tube 400 is exposed to the outside of the slide mold 300. Can be prevented.

The air supply device 500 may be coupled to the air heater 520 to supply hot air to the wrapping tube (400).

The air heater 520 is configured to heat the skin 40 in contact with the wrapping tube 400, and is folded in the direction of the third core forming region 160 by the movement of the slide mold 300 to the wrapping groove. Skin 40 positioned at 162 may be heated.

When the temperature of the skin 40 is increased, the process of wrapping the end of the core 30 by folding the skin 40 positioned in the wrapping groove 162 may be easily performed.

When the temperature of the skin 40 is increased by using the air heater 520, the core 30 and the skin 40 may be easily adhered to each other, and at the same time, due to the temperature difference between the core 30 and the skin 40 after cooling. The distortion can be prevented.

In order to heat the skin 40, the air heater 520 may heat the wrapping tube 400 to about 60 ~ 80 ℃, it is preferable to heat to about 70 ℃.

The air heater 520 may be installed in the mounting groove 340 or the wrapping tube 400, not the air supply device 500, and the air heater 520 in the mounting groove 340 or wrapping tube ( When installed in the 400, it is possible to reduce the energy lost in the air passage 360 or the air supply line 510.

The interior material manufacturing method according to the present invention relates to a method for molding the automotive interior material 20 using the mold apparatus 10 having the above-described fixing device.

Referring to Figure 6, the interior material manufacturing method according to the present invention, the first step of molding the surface 42 of the skin 40 using the IMG mold apparatus; A second step of forming a stitch line 42 on the skin 40 through a sewing operation; A third step of disposing the core 30 by the adhesive 32 in the first mold 100; Disposing the skin 40 on the second mold 200; A fifth step of fixing the skin 40 by using the clamping device 600; A sixth step of compressing the core 30 and the skin 40 using the first mold 100 and the second mold 200 while vibrating the skin 40 with the clamping device 600; Release the clamping device 600 is fixed to the skin 40 and the slide mold 300 to move the inside of the second mold 200 to fold the skin 40 in the direction of the core 30 Step 7; An eighth step of supplying air to the wrapping tube 400 to fold the skin 40 to wrap the ends of the core 30; A ninth step of discharging air injected into the wrapping tube 400; A tenth step of moving the slide mold 300 to the outside of the second mold 200; And an eleventh step of extracting the interior material 20 in which the core 30 and the skin 40 are coupled by separating the first mold 100 and the second mold 200.

The first step is a process of forming the surface 42 of the skin 40 by using an IMG mold apparatus for forming a pattern or the like on the surface 42 of the skin 40, and real stitch sewing on the skin 40. Before forming the pattern on the surface 42 of the skin 40 in advance.

In Mold Graining (IMG) molding allows for more advanced surface 42 treatment of the interior material 20 using an electroformed mold (eponymous mold). As a method, it is a general method of shaping the surface 42 of the automotive interior material 20 skin 40.

The second step is a process of forming a stitch line 42 through the sewing operation on the skin 40, the surface 42 is formed by using the IMG mold apparatus, the real stitch of the interior of the automobile interior material 20 By forming on the skin 40, luxury can be expressed.

Referring to FIG. 1, the skin 40 of the center console may have a stitch line 42 and a guide groove 44 parallel to the stitch line 42 in the front-rear direction along the edge of the surface 42. .

The guide groove 44 guides the presser foot of the sewing machine when the sewing operation is performed so that the stitch line 42 is not twisted, and a guide protrusion 242 formed in the second mold 200 may be inserted.

Referring to FIG. 5A, the third step is a process of applying an adhesive 32 to a preformed core 30 and then disposing it on the first mold 100. The top surface of the core 30 is a first mold. In contact with the second core forming region 140 of (100), the inner surface of the core 30 is in contact with the third core forming region 160 of the first mold (100).

The core 30 may maintain a state of being initially disposed by a vacuum pressure formed in the core vacuum passage 170 formed in the first mold 100.

The adhesive 32 is applied to a portion where the core 30 does not contact the first mold 100.

Referring to FIG. 5A, in the fourth step, after the surface 42 is formed by using the IMG mold apparatus, the skin 40 having the stitch line 42 formed on the second mold 200 is formed by sewing. The surface 42 of the skin 40 may be formed on the first skin shaping region 220, the second skin shaping region 240, and the third skin shaping region 260 of the second mold 200. You will come across.

The guide groove 44 formed in the skin 40 is engaged with the guide protrusion 242 formed in the second skin forming region 240 of the second mold 200.

The skin 40 may maintain a state in which the skin 40 is first disposed by the vacuum pressure formed in the skin vacuum passage 270 formed in the second mold 200.

Referring to FIG. 5B, the fifth step is a process of fixing the skin 40 by moving the clamping device 600 downward, using the first mold 100 and the second mold 200. Before the core 30 and the skin 40 are compressed, the skin 40 is fixed so that the core 30 can be accurately seated on the skin 40.

When the core 30 is seated in the state in which the skin 40 is fixed by the clamping device 600, the skin 40 may be maintained at the first position, and thus, the core 30 may be the skin 40. The skin 40 may be prevented from moving when it is seated on.

Referring to FIG. 5B, in the sixth step, the first mold 100 in which the core 30 is disposed and the skin 40 are disposed while vibrating the skin 40 with the clamping device 600. A process of compressing the core 30 and the skin 40 by narrowing the distance between the two molds 200, wherein the adhesive 32 applied to the core 30 comes into contact with the surface 42 of the skin 40. While the core 30 and the skin 40 is coupled.

Since the clamping device 600 is vibrated by the vibration device 620, the skin 40 fixed by the clamping device 600 is also vibrated together.

When the clamping device 600 vibrating by the vibrator 620 vibrates the skin 40, the resistance that may occur when the skin 40 and the core 30 are engaged with each other may be reduced. The skin 40 and the core 30 may be precisely engaged and compressed in a seated state.

In the sixth step, the hot water passage 280 formed in the second mold 200 is activated by activating the adhesive 32 applied to the core 30 using the core heater 180 coupled to the first mold 100. The skin 40 may be heated to make the adhesive 32 easily adhere to the skin 40.

When the temperature of the core 30 and the skin 40 is increased by using the core heater 180 and the hot water passage 280, the core 30 and the skin 40 can be easily adhered to each other and at the same time the core ( The distortion due to the temperature difference between the 30 and the skin 40 can be prevented.

5C to 5E, in the seventh step, the clamping device 600 holding the skin 40 is released and the slide mold 300 is moved to wrap the end of the core 30 with the skin 40. As a procedure for this, when the slide mold 300 is moved in the direction of the third core forming region 160 of the first mold 100, the skin that is in contact with the first skin forming region 220 of the second mold 200. 40 is folded in the direction surrounding the core 30.

Before the slide mold 300 is moved, the restrained state of the skin fixed by the clamping device 600 must be released first.

When the slide mold 300 moves to the wrapping groove 162 formed in the first mold 100 to secure a space for the wrapping tube 400 to expand, the slide mold 300 stops moving.

Referring to Figure 5f, the eighth step is a process for wrapping the end of the core 30 with the skin 40 by supplying air to the wrapping tube 400 coupled to the slide mold 300, the wrapping Inflating the tube 400 causes the skin 40 to fold in a direction surrounding the end of the core 30.

When the air is supplied to the wrapping tube 400, the wrapping tube 400 increases in volume from the inside of the mounting groove 340 of the slide mold 300 to the outside of the skin 40 toward the core 30. Will be folded.

When the wrapping tube 400 is fully inflated to fill the wrapping groove 162, the end of the skin 40 is pressured in the distal direction of the core 30.

In the eighth step, since the hot air may be supplied to the wrapping tube 400 using the air heater 520 coupled to the slide mold 300, the skin 40 in contact with the wrapping tube 400 is heated. can do.

When the temperature of the skin 40 is increased, the process of wrapping the end of the core 30 by folding the skin 40 positioned in the wrapping groove 162 may be easily performed.

When the temperature of the skin 40 is increased by using the air heater 520, the core 30 and the skin 40 may be easily adhered to each other, and at the same time, due to the temperature difference between the core 30 and the skin 40 after cooling. The distortion can be prevented.

The ninth step is a process of discharging the air injected into the wrapping tube 400, after the end of wrapping the end of the core 30 with the skin 40 to move the slide mold 300 to the initial position It is to discharge the air supplied to the wrapping tube (400).

When the air injected into the wrapping tube 400 is discharged, the wrapping tube 400 is returned to its initial state due to its elastic force, so that the wrapping tube 400 has a mounting groove formed in the slide mold 300 ( 340 is received inside.

The tenth step is a process of moving the slide mold 300 to the outside of the second mold 200, and returns the slide mold 300 to the initial position by using the driving device 330.

Since the wrapping tube 400 is accommodated in the mounting groove 340 formed in the slide mold 300, the wrapping tube 400 may prevent damage in the process of moving the slide mold 300.

The eleventh step is a process for taking out the interior material 20, which is completed, and removing the interior material 20 after separating the first mold 100 and the second mold 200.

The interior material manufacturing method according to the present invention can reduce the manpower, time and cost required for the interior material 20 manufacturing process through the process from the first step to the eleventh step.

While specific embodiments of the invention have been described and illustrated above, it is to be understood that the invention is not limited to the described embodiments, and that various modifications and changes can be made without departing from the spirit and scope of the invention. It is self-evident to those who have.

Therefore, such modifications or variations are not to be understood individually from the technical spirit or point of view of the present invention, it should be said that the modified embodiments belong to the claims of the present invention.

10: mold apparatus with fixing device 20: interior material
30: core 32: adhesive
40: skin 42: surface
44: guide groove 46: stitch line
48: back side 100: first mold
120: first core molding region 140: second core molding region
160: third core molding area 162: wrapping groove
170: core vacuum passage 180: core heater
200: second mold 220: first skin molding area
240: second skin molding area 242: guide protrusion
260: third skin molding area 270: skin vacuum passage
280: hot water path 300: slide mold
330: drive unit 340: mounting groove
360: Air passage 400: Wrapping tube
500: air supply device 510: air supply line
520: air heater 600: clamping device
610: lifting device 620: vibration device

Claims (11)

A first core forming region formed along a circumference of a core forming surface on which a core of an interior material for forming is disposed, and a second core forming projecting to have a step with the first core forming region inside the core forming surface A first mold having a region and a third core forming region connecting the first core forming region and the second core forming region;
A first skin forming region formed along a circumference of a skin forming surface on which the skin of the interior material is disposed facing the core forming surface and formed to have a step with the first skin forming region inside the skin forming surface; A second mold forming a second skin forming region and a third skin forming region connecting the first skin forming region and the second skin forming region;
A slide mold operated by a driving device coupled to the second mold and movable inwardly of the second mold while being in contact with the first skin forming region to fold the skin in the direction of the core; And
It includes a clamping device coupled to the lifting device coupled to the slide mold and can be lifted by pressing the skin disposed in the first skin forming region,
The apparatus of claim 1, further comprising a wrapping tube that is bulky when fluid is supplied to the skin and the end of the core by folding the skin folded in the direction of the core. A first core forming region formed along a circumference of a core forming surface on which a core of an interior material for forming is disposed, and a second core forming projecting to have a step with the first core forming region inside the core forming surface A first mold having a region and a third core forming region connecting the first core forming region and the second core forming region;
A first skin forming region formed along a circumference of a skin forming surface on which the skin of the interior material is disposed facing the core forming surface, and formed to have a step with the first skin forming region inside the skin forming surface; A second mold forming a second skin forming region and a third skin forming region connecting the first skin forming region and the second skin forming region;
A slide mold operated by a driving device coupled to the second mold and movable inwardly of the second mold while being in contact with the first skin forming region to fold the skin in the direction of the core; And
It includes a clamping device coupled to the lifting device coupled to the slide mold and can be lifted by pressing the skin disposed in the first skin forming region,
The clamping device is a mold apparatus having a fixing device comprising a vibrating device for vibrating the skin when pressing the core and the skin using the first mold and the second mold. delete The method of claim 1,
The first mold is a mold having a fixing device, characterized in that the wrapping groove is formed in the third core forming region so that the wrapping tube can fold the skin to wrap the end of the core after the slide mold is moved. Device. The method of claim 1,
The second mold has a guide protrusion inserted into the guide groove formed in the skin for the sewing operation to maintain the circle of the stitch line sewn on the skin is formed in the second skin forming region,
The second mold is a mold apparatus having a fixing device, characterized in that a plurality of skin vacuum passages are formed on one side or both sides of the guide projection so that the skin can be stably adsorbed to the second mold. The method of claim 1,
The first mold is coupled to a core heater for heating the core to activate the adhesive applied to the core,
The second mold is a mold apparatus having a fixing device, characterized in that the hot water passage to which the hot water can be supplied so that the adhesive is easily bonded to the skin by heating the skin. The method of claim 1,
The slide mold is a mold apparatus having a fixing device, characterized in that the mounting groove is formed on the surface facing the second mold is installed, the wrapping tube is not in contact with the first skin forming region. The method of claim 7, wherein
The slide mold is a mold apparatus having a fixing device characterized in that the air passage connecting the air supply line and the mounting groove connected to the external air supply device to supply air to the wrapping tube is formed. The method of claim 8,
The air supply device is a mold apparatus having a fixing device, characterized in that the air heater is coupled to supply hot air to the wrapping tube. A method of molding an interior material using a mold apparatus provided with the fixing device according to any one of claims 1 or 4 to 9,
Forming a surface of the skin by using an IMG mold apparatus;
A second step of forming a stitch line on the skin through a sewing operation;
Disposing a core coated with an adhesive on the first mold;
Disposing the skin on the second mold;
A fifth step of fixing the skin using the clamping device;
A sixth step of pressing the core and the skin using the first mold and the second mold while vibrating the skin with the clamping device;
A seventh step of releasing the clamping device that fixes the skin and moving the slide mold to the inside of the second mold to fold the skin in the core direction;
An eighth step of supplying air to the wrapping tube to fold the skin to wrap the end of the core;
A ninth step of discharging air injected into the wrapping tube;
A tenth step of moving the slide mold out of the second mold;
And an eleventh step of taking out the interior material to which the core and the skin are coupled by separating the first mold and the second mold. The method of claim 10,
In the sixth step, the adhesive applied to the core is activated using a core heater coupled to the first mold, and the adhesive is easily adhered to the skin by heating the skin using a hot water passage formed in the second mold. Make sure,
The eighth step is a method for manufacturing the interior material, characterized in that for supplying hot air to the wrapping tube using the air heater coupled to the slide mold.

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