JP4878022B2 - Apparatus installation jig, mold, injection molding machine, and method for manufacturing simultaneously decorated molded product - Google Patents

Description

  TECHNICAL FIELD The present invention relates to an apparatus installation jig, a mold, an injection molding machine, and a method for producing a simultaneously molded decorative molded product suitable for performing decoration using a decorative sheet on the surface of a resin molded product.

  Conventionally, as a method for decorating the surface of a resin molded product, there is a simultaneous molding decoration method using a decorative sheet such as a transfer material.

  The simultaneous molding decoration method is a method in which a decorative sheet in which a transfer layer composed of a release layer, a design layer, an adhesive layer, etc. is formed on a base sheet is sandwiched in a molding mold in a state where it is placed on the mold cavity surface. Injection molding is performed to inject molding resin into the mold, and after cooling, a resin molded product is obtained. At the same time, a decorative sheet is bonded to the surface of the resin molded product, and then the base sheet is peeled off and transferred to the surface of the object to be transferred. This is a method of decorating by transferring layers. The simultaneous molding decoration method has a feature that a pattern can be formed even for a resin molded product having a shape in which it is difficult to directly form the pattern by a printing method.

  In order to supply the decorative sheet to a predetermined position of the mold, the decorative sheet sending device 31 configured to send out the long decorative sheet 21 arranged above the mold from the decorative sheet sending roll 32; A decorative sheet feeding device comprising a decorative sheet take-up device 41 configured to take up a base sheet that has passed through the surface of the mold and is transferred below the mold by a decorative sheet take-up roll 42 is used. (See FIG. 13 and Patent Document 1). This decorative sheet feeding device includes guide rollers 33 and 43 and fixing portions 35 and 45, the guide rollers 33 and 43 and the fixing portions 35 and 45 are parallel, and the fixing portions 35 and 45 are platen surfaces of the molding machine. It is fixed directly to.

Japanese Patent Laid-Open No. 61-297149

  Here, for example, when the top surface portion 202 of the resin molded product 201 having a sloped top surface portion is used as a component part of an automobile bumper as shown in FIG. As the setting of the surface, the mold parting surface 27 on which the mold cavity surface is formed and the decorative sheet 21 is disposed is a flat slope, and the decorative sheet 21 is on both sides of the mold parting surface 27. It is appropriate that the mold parting surfaces 28 and 29 in which no is disposed have a step (see FIG. 15). The reason for this is to prevent the deformation of the design and the wrinkling and tearing of the decorative sheet as much as possible by eliminating the deformation of the decorative sheet 21 as much as possible. As a result, the mold parting surface 27 on which the decorating sheet 21 is arranged is parallel to the decorating sheet moving direction 26 in which the decorating sheet 21 moves in the mold and to the platen surface of the injection molding machine. It will be in the state which inclined (refer FIG. 15, FIG. 16). Hereinafter, this state is referred to as a mold parting surface inclined state.

  Since the guide rollers 33 and 43 and the fixing portions 35 and 45 of the decorative sheet feeding device are parallel to each other, if the decorative sheet feeding device is directly attached to the platen surface of the injection molding machine as usual, the platen of the injection molding machine The decorative sheet 21 is sent out parallel to the surface (see FIGS. 15 and 16). Then, when using a mold that is in a state where the mold parting surface is inclined, the mold parting surface 27 on which the decorative sheet 21 inclined with respect to the platen surface of the injection molding machine is disposed, The surface of the decorative sheet 21 parallel to the platen surface of the injection molding machine is inclined. As a result, the distance from the mold cavity surface 23 at one end of the decorative sheet 21 increases. When the distance from the mold cavity surface 23 at one end of the decorative sheet 21 is increased, the decorative sheet 21 is likely to be displaced when the decorative sheet 21 is placed along the mold cavity surface 23 in the vicinity of the end. For this reason, it becomes difficult to accurately align the decorative sheet 21 with respect to the mold cavity surface 23.

  Further, there is another problem even when accurate alignment with the mold cavity surface 23 is not required so much, as in the case of using the decorative sheet 21 having an abstract pattern on the entire surface. appear. When the distance from the mold cavity surface 23 is increased at one end of the decorative sheet 21, one end of the decorative sheet 21 is pushed into the mold cavity surface 23 when the film is pressed with a film clamp or when the mold is closed. Continuous molding becomes difficult due to tearing of the decorative sheet 21, and appearance defects may occur in the resin molded product after decoration due to generation of wrinkles or cracks in the design layer. Even when the decorative sheet 21 is not torn when the film is pressed by the film clamp or when the mold is closed, a part of the decorative sheet 21 is not brought into close contact with the mold cavity surface 23 and floats from the mold cavity surface 23. Therefore, when the molding resin is filled in the mold cavity 23, the decorative sheet 21 is torn or wrinkled due to the hot pressure of the molten resin, or the pattern layer is cracked. May cause poor appearance.

  Even when the mold parting surface is inclined, the present invention enables the mold parting surface on which the decorative sheet is arranged and the surface of the decorative sheet to be substantially parallel so that the above problem does not occur. An object of the present invention is to provide an apparatus installation jig, a mold, an injection molding machine, and a method for producing a simultaneously molded decorative product.

  In order to achieve the above object, the present invention has the following features.

  The apparatus installation jig of the present invention is a decorative sheet feeding apparatus used in a simultaneous molding decoration method in which injection molding is performed with a decorative sheet placed on a mold parting surface on which a mold cavity surface is formed. A mold parting surface having a first fixing part to be fixed and a second fixing part to be fixed to a platen or a mold of an injection molding machine, on which a decorative sheet is arranged, decorates the mold. The mold parting surface on which the decorative sheet is placed and the guide roller of the decorative sheet feeding device in a state parallel to the moving direction of the decorative sheet moving and inclined with respect to the platen surface of the injection molding machine It was comprised so that it might become substantially parallel.

  Moreover, in said invention, you may comprise so that the angle change mechanism for changing the angle which a 1st fixing | fixed part and a 2nd fixing | fixed part make with the decoration sheet moving direction as an axis | shaft may be provided.

  The mold of the present invention is fixed to a decorative sheet feeding device used in a simultaneous molding decoration method in which injection molding is performed in a state where a decorative sheet is arranged on a mold parting surface on which a mold cavity surface is formed. The mold parting surface on which the decorative sheet is disposed is parallel to the decorative sheet moving direction in which the decorative sheet moves and the platen surface of the injection molding machine. In this state, the mold parting surface on which the decorative sheet is arranged and the guide roller of the decorative sheet feeding device are configured to be substantially parallel.

  Moreover, in said invention, you may comprise so that the angle change mechanism in which a 1st fixing | fixed part can be rotated centering on a decorating sheet moving direction may be provided.

  The injection molding machine according to the present invention is fixed to a decorative sheet feeding device used in a simultaneous molding decoration method in which injection molding is performed with a decorative sheet placed on a mold parting surface on which a mold cavity surface is formed. The mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves and the platen of the injection molding machine is provided. The mold parting surface on which the decorative sheet is arranged and the guide roller of the decorative sheet feeding device are configured to be substantially parallel with the surface inclined with respect to the surface.

  Moreover, in said invention, you may comprise so that the angle change mechanism in which a 1st fixing | fixed part can be rotated centering on a decorating sheet moving direction may be provided.

  The method for producing a simultaneously molded decorative molded product according to the present invention is a method for producing a simultaneously decorated decorative molded product in which injection molding is performed in a state where a decorative sheet is disposed on a mold parting surface on which a mold cavity surface is formed. An apparatus installation jig is provided between the platen or mold of the injection molding machine and the decorative sheet feeding device, and the guide roller of the decorative sheet feeding device is placed on the mold parting surface on which the decorative sheet is placed. By installing in parallel, the mold parting surface on which the decorative sheet is placed is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and to the platen surface of the injection molding machine. In the inclined state, the step of introducing the decorating sheet substantially parallel to the mold parting surface on which the decorating sheet is arranged is taken.

  In addition, the method for producing a simultaneously molded decorative molded product according to the present invention is a method for manufacturing a simultaneously molded decorative molded product in which injection molding is performed in a state where a decorative sheet is disposed on a mold parting surface on which a mold cavity surface is formed. In the method, a decorative sheet feeding device is provided at a first fixed portion of a platen or a mold of an injection molding machine, and a guide roller of the decorative sheet feeding device is disposed on a mold parting surface on which the decorative sheet is arranged. By installing in parallel, the mold parting surface on which the decorative sheet is arranged is parallel to the moving direction of the decorative sheet in which the decorative sheet moves within the mold and is injected. In the state inclined with respect to the platen surface of the molding machine, a step of introducing the decorative sheet substantially parallel to the mold parting surface on which the decorative sheet is arranged is taken.

  Since the apparatus installation jig, mold, and injection molding machine of the present invention have the configuration as described above, they have the following excellent effects.

  The apparatus installation jig of this invention is provided with the 1st fixing | fixed part fixed to a decorating sheet sending apparatus, and the 2nd fixing | fixed part fixed to the platen or metal mold | die of an injection molding machine, and a decorating sheet is arrange | positioned. The mold on which the decorative sheet is placed in a state where the mold parting surface is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and is inclined with respect to the platen surface of the injection molding machine The mold parting surface and the guide roller of the decorative sheet feeding device are made substantially parallel.

  The metal mold | die of this invention is equipped with the 1st fixing | fixed part fixed to a decorating sheet delivery apparatus, The mold parting surface by which a decorating sheet is arrange | positioned is a decorating sheet to which a decorating sheet moves within a mold In a state parallel to the moving direction and inclined with respect to the platen surface of the injection molding machine, the mold parting surface on which the decorative sheet is arranged and the guide roller of the decorative sheet feeding device are made substantially parallel.

  The injection molding machine according to the present invention includes a platen provided with a first fixing portion that is fixed to a decorative sheet feeding device, and a mold parting surface on which the decorative sheet is arranged moves the decorative sheet within the mold. The mold parting surface on which the decorative sheet is placed and the guide roller of the decorative sheet feeding device are substantially parallel with the decorative sheet moving direction and in a state inclined with respect to the platen surface of the injection molding machine. To do.

  Therefore, if the apparatus installation jig of this invention is used, the mold parting surface on which the decorative sheet is arranged and the surface of the decorative sheet can be arranged substantially in parallel even in the inclined state of the mold parting surface ( (See FIGS. 1 and 2). The mold parting surface on which the decorative sheet is arranged and the surface of the decorative sheet can be arranged substantially in parallel even when the mold and injection molding machine of the present invention are used and the mold parting surface is inclined. . And since the distance with a metal mold | die cavity can be made small in the whole decorating sheet, it becomes difficult to produce the position shift at the time of making a decorative sheet along a metal mold cavity surface. Accordingly, it is easy to align the decorative sheet with respect to the mold cavity surface, and there is no appearance defect of the resin molded product due to breakage of the decorative sheet, wrinkles or cracks in the design layer.

  Embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing a situation in which the apparatus installation jig of the present invention is used. FIG. 2 is a cross-sectional view in a plane perpendicular to the decorative sheet moving direction, showing a situation in which the apparatus installation jig of the present invention is used. FIG. 3 is a perspective view showing an apparatus installation jig according to the present invention. FIG. 4 is a perspective view showing another apparatus installation jig of the present invention. FIG. 55 is a perspective view showing another apparatus installation jig of the present invention. FIG. 6 is a perspective view showing another apparatus installation jig of the present invention. FIG. 7 is a perspective view showing another apparatus installation jig of the present invention. FIG. 8 is a perspective view showing a situation where another apparatus installation jig of the present invention is used. FIG. 9 is a perspective view showing a mold of the present invention and a situation in which the mold of the present invention is used. FIG. 10 is a perspective view showing another mold of the present invention and a platen of the injection molding machine of the present invention. FIG. 11 is a perspective view showing a situation where another apparatus installation jig of the present invention is used. FIG. 12 is a cross-sectional view of a transfer sheet used when using the apparatus installation jig, mold, and injection molding machine of the present invention. FIG. 13: is a side view which shows implementation of the conventional shaping | molding simultaneous decorating method. FIG. 14 shows an example of a simultaneously molded decorative molded product suitable for molding using the apparatus installation jig, mold, and injection molding machine of the present invention. FIG. 15 is a perspective view showing the implementation of the conventional simultaneous molding and decorating method. FIG. 16: is sectional drawing in the surface perpendicular | vertical to the decorating sheet moving direction which shows implementation of the conventional shaping | molding simultaneous decorating method.

  In the figure, 1 is an apparatus installation jig, 2 is a first fixing part, 3 is a second fixing part, 4 is a support part, 5 is a bolt hole, 6 is a bolt through hole, 7 is a hinge, 8 is a turntable, 9 Is a fixing screw, 11 is an apparatus installation jig, 12 is a first fixing part, 13 is a second fixing part, 14 is a support part, 15 is a bolt hole, 16 is a bolt through hole, 17 is a hinge, 18 is a turntable, 19 is a fixing screw, 21 is a decorative sheet, 22 is a movable mold, 23 is a mold cavity surface, 24 is a movable platen, 25 is a bolt, 26 is a decorative sheet moving direction, 27 is a mold parting surface, and 28 is a mold parting surface. Mold parting surface, 29 is mold parting surface, 31 is a decorative sheet feeding device, 32 is a decorative sheet feeding roll, 33 is a guide roller, 34 is a frame, 35 is a fixing portion, and 41 is a decorative sheet winding Take-up device, 42 is winding decorative sheet 43, guide roller, 44, frame, 45, fixed part, 51, fixed mold, 52, gate, 53, fixed platen, 54, injection nozzle, 55, tie bar, 61, movable mold, 62, mold cavity Surface 63, first fixing portion 64, first fixing portion 64, turntable 65, turntable 66, fixing screw 67, fixing screw 68, parting surface 69, mold platen 71, movable platen 72 Is a first fixing part, 73 is a first fixing part, 74 is a turntable, 75 is a turntable, 76 is a fixing screw, 77 is a fixing screw, 101 is a transfer sheet, 102 is a base sheet, 103 is a release layer, 104 is Design layer, 105 is an adhesive layer, 106 is a transfer layer, 201 is a resin molded product, 202 is a top surface portion, 203 is a side surface portion, 301 is a pinch device, and 302 is a drive device.

  Before describing the apparatus installation jig, mold, and injection molding machine of the present invention, the decorative sheet feeding apparatus 31 and the decorative sheet mold introduction apparatus will be described.

  The decorative sheet delivery device 31 supplies the decorative sheet 21 to the mold, and includes a decorative sheet delivery roll 32, a guide roller 33, a frame 34, and a fixing portion 35. A frame 34 that supports the guide roller 33 is supported by a fixed portion 35. Here, the frame 34 and the fixing portion 35 are fixed so that the guide roller 33 and the fixing portion 35 are parallel to each other. The decorative sheet delivery device 31 also includes a frame driving means (not shown), a control means (not shown), etc. for positioning the decorative sheet 21 in the lateral direction (see FIG. 1).

  The decoration sheet in-mold introduction device is an apparatus for introducing the decoration sheet 21 fed from the decoration sheet feeding device 31 into the mold.

  A decorative sheet take-up device 41 can be used as the decoration sheet in-mold introduction device. The decorative sheet take-up device 41 includes a decorative sheet take-up roll 42, a guide roller 43, a frame 44, and a fixing portion 45. Basically, the decorative sheet take-out roll 32 of the decorative sheet take-out device 31 is used. A decorative sheet take-up roll 42 that takes up the decorative sheet 21 is replaced.

  In addition, when an insert sheet described later is used as the decorative sheet 21 and the insert sheet is cut off together with the resin molded product without being wound after being molded, the decorative sheet is divided as a decoration sheet mold introduction device. A combination of a pinch device 301 that grips the end and a driving device 302 for moving the pinch device up and down can also be used (see FIG. 11).

  The apparatus installation jigs 1 and 11 of the present invention are fixed to the first fixing portions 2 and 12 fixed to the decorative sheet feeding device 31 or the decorative sheet take-up device 41 and the platen or mold of the injection molding machine. Second fixing parts 3 and 13. Between the 1st fixing | fixed part 2 and 12 and the 2nd fixing | fixed part 3 and 13, the weight of the decorating sheet sending-out apparatus 31 or the decorating sheet winding apparatus 41 is supported for the mutual maintenance of a positional relationship. Therefore, it is preferable to provide the support portions 4 and 14. Since strength is required for the first fixing parts 2 and 12, the second fixing parts 3 and 13, and the support parts 4 and 14, it is usually preferable to use a metal such as iron.

  The first fixing parts 2 and 12, the second fixing parts 3 and 13, and the support parts 4 and 14 may have a plate shape (see FIG. 3), a block shape, or a combination of rod shapes. It may be (see FIG. 4).

  When fixing the 2nd fixing | fixed part 3 and 13 to the platen of an injection molding machine, if it fixes to the place which fixed the fixing | fixed parts 35 and 45 of the decorating sheet delivery apparatus 31 and the decorating sheet winding apparatus 41 conventionally, Good. Of course, whether to fix to the movable / fixed platen of the molding machine depends on whether the decorative sheet is arranged on the movable type or the fixed type. Here, the fixed surfaces of the first fixing portions 2 and 12 fixed to the decorative sheet feeding device 31 or the decorative sheet take-up device 41 and the second fixing portions 3 and 13 fixed to the platen surface of the injection molding machine. The decorative sheet moves in the mold so that the angle formed by the fixed surface is the same as the angle formed by the mold parting surface 27 on which the decorative sheet 21 is disposed and the platen surface of the molding machine. When the first fixing portions 2 and 12 are tilted and fixed with respect to the second fixing portions 3 and 13 with the decorative sheet moving direction 26 as an axis, the mold parting surface 27 and the guide roller 33 on which the decorative sheet 21 is disposed. Therefore, the mold parting surface 27 on which the decorative sheet 21 is arranged and the decorative sheet 21 can be kept substantially parallel (see FIGS. 1 and 2). Therefore, alignment of the decorative sheet 21 with respect to the mold cavity surface 23 is facilitated, and appearance defects of the resin molded product due to tearing of the decorative sheet 21, wrinkles, and cracks of the design layer 104 do not occur.

  When fixing the 2nd fixing | fixed part 3 and 13 to a metal mold | die, you may form the shape of the 2nd fixing | fixed part 3 and 13 in the shape which pinches | interposes a metal mold | die (refer FIG. 7, FIG. 8). In this case, the mold parting surface 27 on which the decorative sheet 21 is arranged and the guide roller 33 are substantially omitted by appropriately setting the angle between the first fixing parts 2 and 12 and the second fixing parts 3 and 13. Since it can be made parallel, the mold parting surface 27 on which the decorative sheet 21 is arranged and the decorative sheet 21 can be kept substantially parallel. Therefore, alignment of the decorative sheet 21 with respect to the mold cavity surface 23 is facilitated, and appearance defects of the resin molded product due to tearing of the decorative sheet 21, wrinkles, and cracks of the design layer 104 do not occur.

  These fixing methods are not particularly limited, but can be easily and firmly fixed by using the bolts 25. For example, the bolt 25 is screwed into the bolt holes 5 and 15 provided in the first fixing portions 2 and 12 through the bolt through holes provided in the fixing portions 35 and 45 of the decorative sheet feeding device 31 and the decorative sheet take-up device 41. The fixing portions 35 and 45 of the decorative sheet feeding device 31 and the decorative sheet take-up device 41 may be fixed to the first fixing portions 2 and 12 (see FIG. 1). The bolt through hole may be a round hole slightly larger than the diameter of the bolt to be used. In the bolt holes 5 and 15, tapped grooves that match the bolts to be used are cut. Here, the first fixing portions 2 and 12 are provided with bolt through holes instead of the bolt holes 5 and 15, and the fixing portions 35 and 45 and the first fixing portions of the decorative sheet feeding device 31 and the decorative sheet winding device 41 are provided. 2 and 12 may be fixed with bolts and nuts.

  The second fixing portions 3 and 13 can be fixed to the fixing platen by screwing the bolts 25 into the bolt holes provided in the fixing platen through the bolt through holes 6 and 16 provided in the second fixing portions 3 and 13 (see FIG. 1). Further, the second fixing portions 3 and 13 may be fixed to the mold by screwing the bolts 25 into the bolt holes provided in the mold through the bolt through holes 6 and 16 provided in the 22nd fixing portions 3 and 13 ( (See FIGS. 6 and 7).

  The angle formed between the first fixing portions 2 and 12 and the second fixing portions 3 and 13 is changed between the first fixing portions 2 and 12 and the second fixing portions 3 and 13 with the decorative sheet moving direction 26 as an axis. If an angle changing mechanism is provided and the angle formed between the first fixing portions 2 and 12 and the second fixing portions 3 and 13 can be adjusted as appropriate for each mold, one device installation jig 1 and 11 can be used. It is economical because it can handle multiple dies. Hinges 7 and 17 can be used for the angle changing mechanism (FIGS. 5 and 6). Moreover, the turntables 8 and 18 can also be used as the angle changing mechanism (see FIG. 7B). The angle changing mechanism includes a fixing means for fixing the positions of the first fixing parts 2 and 12 and the second fixing parts 3 and 13 after determining the angle between them. For example, fixing screws 9 and 19 can be used as the fixing means.

  In addition, the decorative sheet feeding device 31 and the decorative sheet winding device can be replaced by replacing the device setting jig 1 on the decorative sheet feeding device side and the device setting jig 11 on the decorative sheet winding device side with each other. The angle of 41 with respect to the platen can be installed in the opposite direction. That is, when the top and bottom of the apparatus installation jig 11 on the decorative sheet winding apparatus side shown in FIG. 5B is replaced, the apparatus installation jig 1 on the decorative sheet feeding apparatus side shown in FIG. If the top and bottom of the apparatus installation jig 1 on the decorative sheet delivery apparatus side shown in (a) is replaced, the apparatus installation jig 11 on the decorative sheet take-up apparatus side shown in FIG.

  In addition to the first fixing parts 2 and 12, the second fixing parts 3 and 13, and the support parts 4 and 14, the apparatus installation jigs 1 and 11 are separately provided with reinforcing parts (not shown) in order to increase the strength of the jig. May be.

  The mold used in the present invention has a flat mold parting surface 27 on which a mold cavity surface is formed and a decorative sheet 21 is arranged as a mold parting surface setting. The mold parting surfaces 28 and 29 on both sides of the fastening surface 27 and on which the decorative sheet 21 is not disposed have a step (see FIG. 1). As a result, the mold parting surface 27 on which the decorating sheet 21 is arranged is parallel to the decorating sheet moving direction 26 in which the decorating sheet 21 moves within the mold and to the platen surface of the injection molding machine. An inclined mold parting surface is inclined (see FIGS. 1 and 2).

  The mold basically consists of a fixed mold and a movable mold. The mold can be in a closed state and a mold open state, and the molding resin is injected into a cavity space formed by the cavity surface of the fixed mold and the cavity surface of the movable mold. It can be configured. The mold may be provided with an accompanying member such as an intermediate plate, a molded product ejection plate, and a sheet clamp. The decorative sheet 21 may be installed in either a fixed type or a movable type.

  Instead of using the apparatus installation jig of the present invention, as the mold of the present invention, a mold including a first fixing portion 63 fixed to the decorative sheet feeding device 31 may be used. The first fixing part 64 fixed to the sheet winding device 41 may also be provided directly on the mold. When the first fixing parts 63 and 64 are fixed to the mold so that the first fixing parts 63 and 64 and the mold parting surface 69 on which the decorative sheet 21 is arranged are substantially parallel, the decorative sheet 21 is arranged. Since the mold parting surface 69 and the guide roller 33 can be made substantially parallel, the mold parting surface 69 on which the decorative sheet 21 is arranged and the decorative sheet 21 can be kept substantially parallel. Yes (see FIG. 9). Therefore, alignment of the decorative sheet 21 with respect to the mold cavity surface 62 is facilitated, and appearance defects of the resin molded product due to tearing of the decorative sheet 21, wrinkles, and cracking of the pattern layer 104 do not occur. Whether the first fixing parts 63 and 64 are fixed to the movable type or the fixed type depends on whether the decorative sheet is arranged on the movable type or the fixed type.

  An angle changing mechanism for rotating the first fixing parts 63 and 64 around the decorative sheet moving direction 26 may be provided between the first fixing parts 63 and 64 and the mold. As the angle changing mechanism, for example, turntables 65 and 66 can be used (see FIG. 10A). For the angle changing mechanism, for example, fixing screws 67 and 68 can be used as means for fixing the positions of the first fixing portions 63 and 64.

  Instead of using the apparatus installation jig and the mold of the present invention, the platen may be provided with a first fixing portion 72 fixed to the decorative sheet feeding apparatus 31 as an injection molding machine of the present invention. Moreover, the 1st fixing | fixed part 73 fixed to the decorating sheet winding apparatus 41 may also be provided in a platen. Here, the decorative sheet moves in the mold so that the angle formed between the first fixing portions 72 and 73 and the platen surface is the same as the angle formed between the mold cavity surface 23 and the platen surface of the molding machine. When the first fixing portions 72 and 73 are tilted and fixed with respect to the platen surface with the decorative sheet moving direction 26 as an axis, the mold parting surface 27 on which the decorative sheet 21 is arranged and the guide roller 33 are substantially parallel to each other. Therefore, the mold parting surface 27 on which the decorative sheet 21 is arranged and the decorative sheet 21 can be kept substantially parallel. Therefore, alignment of the decorative sheet 21 with respect to the mold cavity surface 23 is facilitated, and appearance defects of the resin molded product due to tearing of the decorative sheet 21, wrinkles, and cracks of the design layer 104 do not occur. Whether the first fixing portions 72 and 73 are fixed to the movable platen or the fixed platen depends on whether the decorative sheet is arranged on the movable type or the fixed type.

  An angle changing mechanism for rotating the first fixing portions 72 and 73 around the decorative sheet moving direction 26 is provided between the first fixing portions 72 and 73 and the platen. If the angle formed can be adjusted as appropriate for each mold, it is economical because a single injection molding machine can handle a plurality of molds. For example, turntables 74 and 75 can be used as the angle changing mechanism (see FIG. 10B). The angle changing mechanism includes fixing means for fixing the positions of the first fixing portions 72 and 73 and the platen after the angles are determined. For example, fixing screws 76 and 77 can be used as the fixing means.

  As the decorative sheet 21, a transfer sheet 101 can be used. The transfer sheet 101 is a substrate sheet 102 provided with a transfer layer 106 including a release layer 103, a design layer 104, an adhesive layer 105, and the like (see FIG. 12). When the peelability of the transfer layer 106 from the base sheet 102 is good, the transfer layer 106 may be provided directly on the base sheet 102. In order to improve the peelability of the transfer layer 106 from the base sheet 102, a release layer (not shown) may be formed on the entire surface before the transfer layer 106 is provided on the base sheet 102. The pattern layer 104 is formed on the release layer 103 as a printed layer, a metal thin film layer, or the like. Moreover, when providing a metal thin film layer, in order to improve the adhesiveness of another transfer layer and a metal thin film layer, you may provide an anchor layer (not shown). The adhesive layer 105 is a layer for adhering each of the above layers to the surface of the resin molded product.

  Moreover, an insert sheet can also be used as the decorating sheet 21. Since the insert sheet does not peel the base sheet 102 after the decorative sheet 21 is bonded to the resin molded product, the layer configuration differs from the transfer sheet 101 in that it does not include a release layer. Moreover, when winding up parts other than the location laminated | stacked on the resin molded product among insert sheets after shaping | molding, it is necessary to perform processes, such as punching out an insert sheet within a metal mold | die. The decorative sheet take-up device 11 cannot be used as a decoration sheet in-mold introduction device when parts other than the portions laminated on the resin molded product after molding are cut off together with the resin molded product. However, it is possible to use a combination of a pinch device 301 that grips the divided end portion of the decorative sheet and a drive device 302 for moving the pinch device up and down (see FIG. 11).

  The case where the transfer sheet 101 is used as the decorating sheet 21 will be described with reference to the case where the apparatus installation jig of the present invention is used as an example of the simultaneous molding method of the present invention (see FIG. 1).

  The transfer sheet 101 is supplied from the decorative sheet feed roll 32, passes through the mold cavity surface 23 via the guide roller 33, and is wound around the decorative sheet take-up roll 42 via the guide roller 43. It is done.

  The transfer sheet 101 is supplied to the mold intermittently so that a pattern (not shown) formed on the transfer sheet 101 is arranged at a predetermined position with respect to the mold cavity surface 23. It is. The transfer sheet 101 is substantially parallel to the mold parting surface 27 on which the movable decorative sheet 21 is disposed even when the mold parting surface is inclined. Since the distance between the transfer sheet 101 and the mold cavity surface 23 can be reduced and the transfer sheet 101 is less likely to be misaligned along the mold cavity surface 23, transfer to the mold cavity surface 23 is prevented. Positioning of the sheet 101 is facilitated.

  After the positioning of the transfer sheet 101 is completed, the transfer sheet 101 is brought into close contact with the movable mold. In order to bring the transfer sheet 101 into close contact with the mold, a sheet clamp (not shown) may be used. Further, a suction hole (not shown) may be provided in the mold, and the transfer sheet 101 may be sucked. Further, when the transfer sheet 101 is brought into close contact with the mold, the transfer sheet 101 may be heated and softened. As a heating means, in the case of a transfer sheet, an electrothermal heater (not shown) that can be heated to a temperature of about 80 to 300 ° C. may be used (in the case of an insert sheet, about 100 to 500 ° C. is preferable). ).

  Next, the fixed mold and the movable mold are clamped. Thereafter, molding resin is injected and filled into the mold from the gate provided in the fixed mold, and simultaneously with forming the resin molded product, the transfer sheet 101 is adhered to the surface thereof.

  Examples of the molding resin include general-purpose resins such as polystyrene resin, polyolefin resin, ABS resin, AS resin, and AN resin. Also, general engineering resins such as polyphenylene oxide / polystyrene resins, polycarbonate resins, polyacetal resins, acrylic resins, polycarbonate-modified polyphenylene ether resins, polybutylene terephthalate resins, ultrahigh molecular weight polyethylene resins, polysulfone resins, polyphenylene sulfide resins Super engineering resins such as polyphenylene oxide resins, polyarylate resins, polyetherimide resins, polyimide resins, liquid crystal polyester resins, and polyallyl heat-resistant resins can also be used.

  After the resin molded product that is the transfer object is cooled, the mold is opened, the base sheet 102 of the transfer sheet 101 is peeled off, and the resin molded product is taken out. In this way, it is possible to obtain a simultaneously molded decorative molded product in which the transfer layer is transferred to the surface of the resin molded product.

  As the apparatus installation jig of the present invention, the apparatus installation jig including the first fixing parts 2 and 12, the second fixing parts 3 and 13, the support parts 4 and 14, the reinforcing part, and the hinges 7 and 17 as the angle changing mechanism is used. The transfer sheet 101 is used as the decorating sheet 21, and the transfer is performed by the simultaneous decorating method on the top surface portion 202 of the resin molded product 201, which is a component of a bumper of an automobile whose top surface portion shown in FIG. Went. The mold parting surface 27 on which the transfer sheet 101 is arranged is parallel to the decorative sheet moving direction 26 in which the transfer sheet 101 as the decorative sheet moves in the mold and to the platen surface of the injection molding machine. Since it was in an inclined state (inclined state of the mold parting surface), the mold parting surface 27 on which the decorative sheet 21 is arranged and the guide are adjusted by adjusting the rotation angle of the hinges 7 and 17 of the apparatus installation jig. The rollers 33 and 43 were made substantially parallel. In the implementation of the simultaneous molding and decorating method, the distance between the entire transfer sheet 11 and the mold parting surface 27 can be set to about 2 to 3 mm. Therefore, when the transfer sheet 101 is placed along the mold cavity surface 23 Therefore, it is easy to align the transfer sheet with respect to the mold cavity surface, and the appearance of the resin molded product due to tearing of the decorative sheet 21, wrinkles, and cracking of the pattern layer 104 does not occur.

It is a perspective view which shows the condition which uses the apparatus installation jig | tool of this invention. It is sectional drawing in the surface perpendicular | vertical to a decorating sheet moving direction which shows the condition which uses the apparatus installation jig | tool of this invention. It is a perspective view which shows the apparatus installation jig | tool of this invention. It is a perspective view which shows the other apparatus installation jig | tool of this invention. It is a perspective view which shows the other apparatus installation jig | tool of this invention. It is a perspective view which shows the other apparatus installation jig | tool of this invention. It is a perspective view which shows the other apparatus installation jig | tool of this invention. It is a perspective view which shows the condition which uses the other apparatus installation jig | tool of this invention. It is a perspective view which shows the condition which uses the metal mold | die of this invention, and the metal mold | die of this invention. It is a perspective view which shows the metal mold | die of this invention and the platen of the injection molding machine of this invention. It is a perspective view which shows the condition which uses the other apparatus installation jig | tool of this invention. It is sectional drawing of the transfer sheet used when using the apparatus installation jig | tool of this invention, a metal mold | die, and an injection molding machine. It is a side view which shows implementation of the conventional shaping | molding simultaneous decorating method. It is an example of the molding simultaneous decoration molded product suitable for shaping | molding using the apparatus installation jig | tool of this invention, a metal mold | die, and an injection molding machine. It is a perspective view which shows implementation of the conventional shaping | molding simultaneous decorating method. It is sectional drawing in the surface perpendicular | vertical to the decorating sheet moving direction which shows implementation of the conventional shaping | molding simultaneous decorating method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus installation jig 2 1st fixing | fixed part 3 2nd fixing | fixed part 4 Support part 5 Bolt hole 6 Bolt through-hole 7 Hinge 8 Turntable 9 Fixing screw 11 Apparatus installation jig 12 1st fixing | fixed part 13 2nd fixing | fixed part 14 Part 15 Bolt hole 16 Bolt through hole 17 Hinge 18 Turntable 19 Fixing screw 21 Decorative sheet 22 Movable mold 23 Mold cavity surface 24 Movable platen 25 Bolt 26 Decorative sheet moving direction 27 Mold parting surface 28 Mold parting Surface 29 Mold parting surface 31 Decorative sheet feeding device 32 Decorative sheet feeding roll 33 Guide roller 34 Frame 35 fixing portion 41 Decorative sheet winding device 42 Decorative sheet winding roll 43 Guide roller 44 Frame 45 Fixing portion 51 Fixed mold 52 Gate 53 Fixed platen 54 Injection nozzle 55 Tyba 61 movable mold 62 mold cavity surface 63 first fixed portion 64 first fixed portion 65 turntable 66 turntable 67 fixed screw 68 fixed screw 69 mold parting surface 71 movable platen 72 first fixed portion 73 first fixed portion 74 Turntable 75 Turntable 76 Fixing screw 77 Fixing screw 101 Transfer sheet 102 Base sheet 103 Release layer 104 Pattern layer 105 Adhesive layer 106 Transfer layer 201 Resin molded product 202 Top surface portion 203 Side surface portion 301 Pinch device 302 Drive device

Claims (8)

A first fixing portion fixed to a decorative sheet feeding device used in a molding simultaneous decoration method in which injection molding is performed in a state where a decorative sheet is arranged on a mold parting surface on which a mold cavity surface is formed;
A second fixing portion fixed to a platen or a mold of an injection molding machine,
In a state where the mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and inclined with respect to the platen surface of the injection molding machine,
An apparatus installation jig characterized in that a mold parting surface on which a decorative sheet is arranged and a guide roller of a decorative sheet feeding apparatus are made substantially parallel.   The apparatus installation jig of Claim 1 provided with the angle change mechanism for changing the angle which a 1st fixing | fixed part and a 2nd fixing | fixed part make centering on a decorating sheet moving direction. Provided with a first fixing portion that is fixed to a decorative sheet feeding device used in a molding simultaneous decorating method in which injection molding is performed with a decorative sheet placed on a mold parting surface on which a mold cavity surface is formed ,
In a state where the mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and inclined with respect to the platen surface of the injection molding machine,
A mold characterized in that a mold parting surface on which a decorative sheet is arranged and a guide roller of a decorative sheet feeding device are substantially parallel.   The metal mold | die of Claim 3 provided with the angle change mechanism in which a 1st fixing | fixed part can be rotated centering on a decorating sheet moving direction. The first fixed portion fixed to the decorative sheet feeding device used in the simultaneous molding method for performing injection molding with the decorative sheet placed on the mold parting surface on which the mold cavity surface is formed is the platen In preparation for
In a state where the mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and inclined with respect to the platen surface of the injection molding machine,
An injection molding machine characterized in that a mold parting surface on which a decorative sheet is arranged and a guide roller of a decorative sheet feeding device are made substantially parallel.   The injection molding machine according to claim 5, further comprising an angle changing mechanism that allows the first fixed portion to rotate about the decorative sheet moving direction. In the manufacturing method of the simultaneous decorative molded product in which injection molding is performed in a state where the decorative sheet is arranged on the mold parting surface on which the mold cavity surface is formed,
A device installation jig is provided between the platen or mold of the injection molding machine and the decorative sheet feeding device, and the guide roller of the decorative sheet feeding device is substantially the same as the mold parting surface on which the decorative sheet is placed. By installing in parallel,
In a state where the mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and inclined with respect to the platen surface of the injection molding machine,
A method for producing a molded simultaneous decorative molded product, wherein the decorative sheet is introduced substantially parallel to a mold parting surface on which the decorative sheet is arranged. In the manufacturing method of the simultaneous decorative molded product in which injection molding is performed in a state where the decorative sheet is arranged on the mold parting surface on which the mold cavity surface is formed,
A decorative sheet feeding device is provided at the first fixed part of the platen or mold of the injection molding machine, and the guide roller of the decorative sheet feeding device is substantially parallel to the mold parting surface on which the decorative sheet is arranged. By installing
In a state where the mold parting surface on which the decorative sheet is arranged is parallel to the decorative sheet moving direction in which the decorative sheet moves within the mold and inclined with respect to the platen surface of the injection molding machine,
A method for producing a molded simultaneous decorative molded product, wherein the decorative sheet is introduced substantially parallel to a mold parting surface on which the decorative sheet is arranged.

Images