JP2005280005A - Mold assembly, its manufacturing method, molded product, its molding method and molding machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mold assembly capable of simplifying the work not only at the time of assembling of the mold assembly but also at the time of maintenance and control thereof and preventing the lowering of the maintenance and control properties accompanied by the use of the mold assembly. <P>SOLUTION: The mold assembly is equipped with a first mold unit and a second mold unit for forming a cavity space and a parting line along with the first mold unit at the time of mold clamping and has first and second attaching support parts, and first and second members to be attached. Further, at least one of the first and second members to be attached is attached by a fixing member from the side of the parting line. In this case, since at least one of the first and second members to be attached is attached by the fixing member from the side of the parting line, many works can be performed in a state that the attaching support parts are placed on a work stand without being erected. Accordingly, the work not only at the time of assembling of the mold assembly but also at the time maintenance and control of the mold assembly can be simplified. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mold apparatus, a manufacturing method thereof, a molded product, a molding method thereof, and a molding machine.

  2. Description of the Related Art Conventionally, in a molding machine for molding a disk substrate as a molded product, for example, an injection molding machine, a resin melted in a heating cylinder is filled into a cavity space in a mold apparatus, and the cavity The disk substrate is obtained by cooling and solidifying the resin in the space.

  For this purpose, the injection molding machine includes: a mold apparatus including a fixed mold assembly and a movable mold assembly; an injection apparatus for filling the cavity space with the resin; and the movable mold. A mold clamping device is provided for bringing the mold assembly into and out of contact with the stationary mold assembly. Then, the mold assembly on the movable side is advanced and retracted by the mold clamping device, the mold device is closed, the mold is clamped, and the mold is opened. When the mold is clamped, it is movable with the mirror surface of the fixed mold assembly. A cavity space is formed between the mirror assembly of the side mold assembly.

  The injection device includes a heating cylinder, an injection nozzle attached to the front end of the heating cylinder, and a screw that is rotatably and reciprocally disposed within the heating cylinder.

  In the metering step, the screw is rotated, the resin is melted and stored in front of the screw, and the screw is retracted accordingly, during which the mold device is closed and clamped. Is called. Subsequently, in the injection step, the screw is advanced, and the resin stored in front of the screw is injected from the injection nozzle to fill the cavity space. In the cooling step, the resin in the cavity space is cooled, drilling is performed, and a disk substrate is formed. Subsequently, mold opening is performed, and the disk substrate is taken out.

By the way, in the mold assembly on the fixed side, a mirror plate is attached to the base plate, and in the mold assembly on the movable side, the mirror plate is attached to the intermediate plate. In the mold assembly on the side, a hole penetrating the base plate is formed from the fixed platen side to the movable platen side, and the mirror plate is attached by a bolt inserted into the hole, while the movable mold assembly is , A hole penetrating the intermediate plate is formed from the movable platen side to the fixed platen side, and the specular plate is attached by a bolt inserted into the hole (see, for example, Patent Document 1).
JP-A-11-70529

  However, in the conventional mold apparatus, when assembling the fixed-side mold assembly, the base plate is placed with the surface on the parting line side facing up in order to work from the parting line side, In order to work from the anti-parting line side, it is necessary to place the anti-parting line side face up or to stand from both sides. Similarly, when assembling the mold assembly on the movable side, place the intermediate plate with the surface on the parting line side up or work from the anti-parting line side to work from the parting line side. To do this, it is necessary to place the anti-parting line side up, or stand upright to work from both sides. Therefore, the work at the time of assembly of the mold apparatus and maintenance / management becomes complicated.

  In addition, each bolt must be inserted into a hole penetrating the base plate and the intermediate plate and tightened, so the bolt becomes longer, but the bolt is tightened in a cold state, but a mold device is used. When injection molding is performed, the bolt is placed at a high temperature, so that the tightening state is affected as the temperature rises, and the maintenance and manageability of the mold apparatus are degraded.

  The present invention solves the problems of the conventional mold apparatus, can simplify the operations at the time of assembly and maintenance / management of the mold apparatus, and maintain / manage with the use of the mold apparatus. An object of the present invention is to provide a mold apparatus, a manufacturing method thereof, a molded product, a molding method thereof, and a molding machine in which properties are not lowered.

  For this purpose, in the mold apparatus of the present invention, the first mold unit is disposed so as to be movable forward and backward with respect to the first mold unit, and the cavity space and the party between the first mold unit and the first mold unit are clamped. A second mold unit for forming a ring line is provided.

  And it attaches to the 1st attachment support part arranged in the 1st type unit, the 2nd attachment support part arranged in the 2nd type unit, and the 1st attachment support part. A first attached member and a second attached member attached to the second attachment support portion.

  Further, at least one of the first and second attached members is attached by a fixing member from the parting line side.

  In another mold apparatus of the present invention, a secondary attached member is further attached to at least one of the first and second attached members by a fixing member from the parting line side.

  In still another mold apparatus according to the present invention, the secondary attached member and a fixing member for attaching at least one of the first and second attached members to the attachment support portion have a diameter. Overlap in direction.

  In still another mold apparatus of the present invention, the first and second attached members are mirror plates.

  In still another mold apparatus of the present invention, the first and second attached members are outer peripheral rings disposed radially outward from the mirror plate.

  In the mold apparatus manufacturing method of the present invention, the first mold unit and the first mold unit are disposed so as to be movable forward and backward. The present invention is applied to a mold apparatus including a second mold unit that forms a ring line.

  Then, a first attached member is attached to the first attachment support portion disposed in the first mold unit, and a second attachment support portion disposed in the second mold unit is attached to the second attachment support portion. Attached member is attached.

  Further, at least one of the first and second attached members is attached by a fixing member from the parting line side.

  In another method of manufacturing a mold apparatus according to the present invention, the first and second attached members are mirror plates. And each said mirror surface board is attached to the said 1st, 2nd attachment support part with the cover attached.

  In the molded product of the present invention, the first mounting support portion disposed in the first mold unit is disposed so as to be movable back and forth with respect to the first mold unit. A second mounting support portion disposed in a second mold unit forming a cavity space and a parting line therebetween, a first mounted member mounted on the first mounting support portion, and the second A second attached member attached to the attachment support portion, and at least one of the first and second attached members is formed by a mold device attached by a fixing member from the parting line side. It has come to be.

  Then, molding is performed by filling the cavity space with a molding material and cooling the molding material.

  In the molding method of the molded product of the present invention, the first mounting support portion disposed in the first mold unit is disposed so as to be movable back and forth with respect to the first mold unit. A second mounting support portion disposed in a second mold unit that forms a cavity space and a parting line with the mold unit; a first mounted member attached to the first mounting support portion; A mold having a second attached member attached to the second attachment support portion, wherein at least one of the first and second attached members is attached by a fixing member from the parting line side It is applied to a molded product molded by an apparatus.

  Then, molding is performed by filling the cavity space with a molding material and cooling the molding material.

  The molding machine of this invention is equipped with the metal mold apparatus of any one of Claims 1-5.

  According to the present invention, in the mold apparatus, the first mold unit and the first mold unit are disposed so as to be movable forward and backward, and the cavity space and the party between the first mold unit and the first mold unit are clamped. A second mold unit for forming a ring line is provided.

  And it attaches to the 1st attachment support part arranged in the 1st type unit, the 2nd attachment support part arranged in the 2nd type unit, and the 1st attachment support part. A first attached member and a second attached member attached to the second attachment support portion.

  Further, at least one of the first and second attached members is attached by a fixing member from the parting line side.

  In this case, since at least one of the first and second attached members is attached by the fixing member from the parting line side, the attachment support portion is often placed on the work table without standing. Can be done. Accordingly, it is possible to simplify the work at the time of assembling the mold apparatus and maintenance / management.

  Further, since the fixing member can be shortened, it is possible to prevent the maintenance and manageability of the mold apparatus from being deteriorated even when the mold apparatus is placed at a high temperature with use.

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

  FIG. 2 is a cross-sectional view showing the main part of the mold apparatus according to the embodiment of the present invention.

  In the figure, reference numeral 12 denotes a fixed-side mold assembly attached to a fixed platen (not shown) by a bolt (not shown) via a mounting plate (not shown). The mold assembly 12 is a first mounting support portion. And a base plate 15 as a first support member, a mirror surface plate 16 as a first plate-like member attached to the base plate 15 by a bolt b1, and a position within the base plate 15 relative to the base plate 15. And a sprue bush 24 attached by a bolt b2. The base plate 15 and the mirror surface plate 16 constitute a first mold unit.

  A die 28 formed of a recess facing the cavity space C is brought into contact with a front end (lower end in the figure) of the sprue bush 24, and an injection nozzle of an injection device (not shown) is brought into contact with a rear end (upper end in the figure) of the sprue bush 24. The nozzle touch part 29 which consists of a recessed part for making it form is formed. Then, a sprue 26 is formed from the front end to the rear end of the sprue bush 24 and in communication with the die 28 and the nozzle touch part 29 to pass resin as a molding material injected from the injection nozzle. . The front end of the sprue 26 constitutes a gate serving as an inlet for resin filled in the cavity space C.

  Further, in the vicinity of the front end of the sprue bushing 24, a first temperature adjusting medium such as water, oil, air, gas, etc., in the present embodiment, an annular flow path 27 for flowing water is formed, When water from a medium supply source (not shown) is supplied to the flow path 27 via the supply path 30, the front end portion (lower end portion in the drawing) of the sprue bushing 24 is cooled to a predetermined temperature, and An inner stamper holder 14 that is disposed radially outward of the front half portion (lower half portion in the drawing) of the sprue bushing 24 and presses and holds the inner peripheral edge of a stamper (not shown) is cooled. The inner stamper holder 14 is engaged with and disengaged from the base plate 15 by rotating a rod 25 that is rotatably disposed so as to face the rear end, and the inner stamper holder 14 is shown to hold the inner periphery of the stamper on the outer periphery. Nails are formed.

  The injection device includes a heating cylinder, the injection nozzle attached to the front end of the heating cylinder, a screw disposed in the heating cylinder so as to be rotatable and movable back and forth.

  Then, the stamper is detachably attached to the mirror surface plate 16, and as the cavity space C is filled with the resin, a fine pattern of pits formed on the stamper is transferred to the resin, and as a molded product. Irregularities constituting the information surface of the disk substrate are formed.

  Further, an annular abutting ring 18 is attached to the outer peripheral edge of the mirror surface plate 16 by a bolt b3, and an annular first outer peripheral ring 19 is radially outward from the mirror surface plate 16 and the abutting ring 18 by a bolt b4. Attached to the base plate 15. The mirror plate 16 and the first outer ring 19 constitute a first attached member, and the abutting ring 18 constitutes a secondary attached member.

  On the other hand, 32 is a movable-side mold assembly attached to a movable platen (not shown) by a bolt (not shown). The mold assembly 32 moves forward and backward as the movable platen advances and retreats (in the vertical direction in the figure). And moved away from the mold assembly 12. A parting line is formed between the mold assemblies 32 and 12.

  The mold assembly 32 includes a base plate 35, an intermediate plate 40 as a second mounting support portion attached to the base plate 35 with bolts b5, and a second plate-like member attached to the intermediate plate 40 with bolts b6. As a mirror surface plate 36, a cylindrical bush 47 disposed in the intermediate plate 40 and attached to the intermediate plate 40 by bolts b7, and a cylindrical bush disposed in the bush 47 by a bearing 49 so as to freely advance and retract. A cut punch 48 as a processing member, a rod-shaped projecting pin 50 disposed in the cut punch 48 so as to be movable back and forth, a cut punch block 52 disposed in the base plate 35, and disposed in the base plate 35. , Penetrating the cut punch block 52 and with respect to the cut punch block 52 Comprises a protruding is (week) movably disposed rod 53 or the like. The base plate 35 and the intermediate plate 40 constitute a second support member, and the base plate 35, the intermediate plate 40 and the mirror surface plate 36 constitute a second mold unit.

  In the present embodiment, a stamper is attached to the mirror surface board 16, but a stamper can be attached to the mirror surface board 36. Further, in the present embodiment, the inner stamper holder 14, the mirror surface plate 16, the sprue bush 24, and the like are disposed in the mold assembly 12, and the base plate 35, the mirror surface plate 36, the intermediate plate 40, and the like are disposed in the mold assembly 32. A bush 47, a cut punch 48, and the like are arranged. A base plate, a mirror plate, an intermediate plate, a bush, a cut punch, and the like are arranged in the mold assembly 12, and an inner stamper is arranged in the mold assembly 32. A holder, a mirror surface board, a sprue bushing, or the like may be provided.

  The bush 47 surrounds the cut punch 48 and is disposed with its front end (upper end in the figure) facing the cavity space C, extends through the mirror surface plate 36 to the rear (lower in the figure), and rear At the flange portion f1 at the end (lower end in the figure), the intermediate plate 40 is attached by the bolt b7. A slight clearance is formed between the outer peripheral surface of the bushing 47 and the inner peripheral surfaces of the mirror surface plate 36 and the intermediate plate 40, and compressed air is supplied to the clearance. At the front end, the air is blown into the cavity space C from an air blow slit formed between the inner peripheral surface of the bush 47 and the inner peripheral surface of the specular disc 36.

  The cut punch 48 is disposed with its front end facing the cavity space C, extends rearward through the mirror surface plate 36 and the intermediate plate 40, and contacts the cut punch block 52 at the flange portion f2 at the rear end. Touched. Therefore, by driving a cut punch cylinder (not shown) as a drive unit for the cut punch, the cut punch block 52 can be advanced and retracted, and the cut punch 48 can be advanced and retracted. The front end of the cut punch 48 has a shape corresponding to the shape of the die 28, and is moved into the die 28 by moving the cut punch 48 forward (moving upward in the drawing).

  Further, in the vicinity of the front end of the bush 47, a second temperature adjusting medium such as air or gas, in the present embodiment, an annular channel 55 for flowing air is formed surrounding the cut punch 48. When the air is supplied to the flow path 55 from a medium supply source (not shown), the bush 47 is cooled, and in particular, the front end portion (upper end portion in the drawing) of the cut punch 48 is cooled to a predetermined temperature. The In addition, water, oil, etc. can also be used as a 2nd medium for temperature control.

  The protruding pin 50 is disposed with its front end facing the cavity space C, extends rearward through the mirror plate 36 and the intermediate plate 40, and is brought into contact with the protruding rod 53 at the rear end. Accordingly, by driving a projecting cylinder (not shown) as a projecting drive unit, the projecting rod 53 can be advanced and retracted, and the projecting pin 50 can be advanced and retracted. A spring 54 as an urging member extends in the axial direction between the cut punch 48 and the protruding pin 50, and protrudes with a predetermined urging force to urge the pin 50 rearward. To do.

  An annular cavity ring 37 is disposed on the outer peripheral edge of the mirror surface plate 36 so as to be movable forward and backward with respect to the mirror surface plate 36 and opposed to the abutment ring 18. The outer periphery of C is defined and the thickness of the disk substrate is defined.

  An annular second outer peripheral ring 38 is attached to the intermediate plate 40 by bolts b9 so as to face the first outer peripheral ring 19 radially outward from the mirror surface plate 36 and the cavity ring 37. The second outer ring 38 also functions as the cab ring presser and is locked to the outer peripheral edge of the cav ring 37. The mirror surface plate 36 and the second outer peripheral ring 38 constitute a second attached member, and the cavity ring 37 constitutes a secondary attached member.

  A guide rod 41 is attached to the cavity ring 37 in the rearward direction, and by moving the guide rod 41 forward and backward along a guide hole formed in the intermediate plate 40, the cavity ring 37 can be advanced and retracted. The cavity ring 37 is projected from the front end surface (upper end surface in the figure) of the mirror surface plate 36, and the outer peripheral edge of the disk substrate is defined by the inner peripheral surface of the cavity ring 37.

  By the way, the mold assembly 12, 32 constitutes a mold apparatus which is a disk molding mold, and a mold clamping apparatus (not shown) is used to bring the mold assembly 32 into and out of contact with the mold assembly 12. Arranged. By driving a mold clamping cylinder as a mold clamping drive unit of the mold clamping device and moving the mold assembly 32 forward and backward, the mold device can be closed, clamped and opened. During mold clamping, a parting line and the cavity space C are formed between the mirror plates 16 and 36.

  Further, when the cut punch 48 is advanced by driving the cut punch cylinder in the cooling process, the front end of the cut punch 48 enters the die 28 and is processed into the resin in the cavity space C. In, drilling can be performed. The cooled resin in the cavity space C constitutes a disk substrate prototype, that is, a substrate prototype.

  By means of the mirror plates 16 and 36, the base plate 15 and the intermediate plate 40, a third temperature adjusting medium such as water, oil, air or gas, in the present embodiment, the first and second for flowing water. The flow paths 61 and 62 are formed, water is supplied from the medium supply source to the first and second flow paths 61 and 62, and the mirror plates 16 and 36 are cooled to a predetermined temperature.

  Then, in the injection device in the metering step, the screw is rotated, the resin is melted and stored in the front of the screw, and the screw is retracted accordingly. Tightening is done. Subsequently, in the injection step, the screw is advanced, and the resin stored in front of the screw is injected from the injection nozzle and filled into the cavity space C. Then, in the cooling step, the resin in the cavity space C is cooled, drilling is performed, and the original substrate is molded. Subsequently, mold opening is performed, and the original substrate is taken out.

  Next, a method for assembling the mold assemblies 12 and 32 will be described.

  FIG. 1 is a diagram showing a method for assembling a fixed mold assembly in the embodiment of the present invention, FIG. 3 is a diagram showing a fixed mold assembly after assembly in the embodiment of the present invention, and FIG. FIG. 5 is a diagram showing a method of assembling a movable mold assembly in the embodiment of the present invention, FIG. 5 is a diagram showing a movable mold assembly after assembly in the embodiment of the present invention, and FIG. FIG. 7 is a diagram showing a method for attaching / detaching the top plate of the fixed mold assembly according to the embodiment of the invention, and FIG. 7 shows a method for attaching / detaching the top plate of the movable die assembly according to the embodiment of the present invention. FIG.

  First, when assembling the mold assembly 12, the base plate 15 is placed on a work table (not shown) with the surface S21 facing the mold assembly 32 facing the mold assembly 32 facing upward in the base plate 15, and bolts b4 are used. The first outer ring 19 is attached to the base plate 15 from the parting line side. Therefore, holes h1 for allowing the bolts b4 to pass through a plurality of locations in the circumferential direction of the first outer peripheral ring 19 are formed, and holes h2 for tightening the bolts b4 are formed at locations corresponding to the holes h1 in the base plate 15. Is done.

  Next, the base plate 15 is erected on the work table, and the sprue bushing 24 is inserted into the hole h3 of the base plate 15 from the side opposite to the parting line facing the fixed platen. Is attached to the base plate 15.

  Subsequently, the base plate 15 is placed on the work table with the surface S21 facing upward, and the mirror plate 16 is attached to the base plate 15 from the parting line side with bolts b1. Therefore, holes h4 for allowing the bolts b1 to pass through a plurality of locations in the circumferential direction of the mirror surface plate 16 are provided, and holes h5 for tightening the bolts b1 are provided at locations corresponding to the holes h4 in the base plate 15. Is formed with a hole h6 for inserting the front half of the sprue bushing 24 (the upper half in FIG. 1). Further, in order to protect the mirror surface S31 of the mirror surface board 16, a cover 81 is attached to the mirror surface board 16 in advance by bolts b21. Therefore, flange portions f11 for attachment are formed on the outer peripheral edge of the mirror surface board 16, holes h8 are formed at a plurality of locations in the circumferential direction of the flange portions f11, and two of the holes h8 are attached to the cover 81. Used for use. Since the predetermined hole h4 is placed outside the cover 81 in a state where the cover 81 is attached to the mirror plate 16, the mirror plate 16 is attached to the base plate 15 while the cover 81 is attached to the mirror plate 16. Can do.

  Next, after removing the cover 81, the inner stamper holder 14 is inserted from the parting line side between the inner peripheral surface of the hole h3 and the outer peripheral surface of the sprue bush 24, and attached to the base plate 15.

  Thereafter, the abutting ring 18 is attached to the mirror surface board 16 from the parting line side by tightening the bolt b3 in the hole h8. For this purpose, holes h7 for penetrating the bolts b3 are formed at a plurality of locations in the circumferential direction of the abutting ring 18. In the figure, 26 is a sprue.

  In this way, the mold assembly 12 can be assembled.

  When disassembling the mold assembly 12, first, the mold assembly 12 is placed on the work table with the surface S21 facing upward, the bolt b3 is removed, and the abutment ring 18 is attached to the mirror plate 16. Next, after removing the inner stamper holder 14 to the parting line side, the cover 81 is attached to the specular panel 16, the bolt b1 is removed, and the specular panel 16 is removed from the base plate 15 to the parting line side. Remove it. Subsequently, on the work table, the base plate 15 is erected, the sprue bush 24 is removed from the base plate 15 to the anti-parting line side, and then the base plate 15 is placed on the work table with the surface S21 facing upward. The bolt b4 is removed and the first outer ring 19 is removed from the base plate 15 to the parting line side.

  In this way, the mold assembly 12 can be disassembled.

  Next, when assembling the mold assembly 32, the intermediate plate 40 is stood on the work table, and the cut punch 48 is inserted into the hole h11 of the intermediate plate 40 from the side opposite to the parting line facing the movable platen. Then, the bush 47 and the bearing 49 are inserted from the side opposite to the parting line between the inner peripheral surface of the hole h11 and the outer peripheral surface of the cut punch 48, and the bush 47 is attached to the intermediate plate 40 by the bolt b7.

  Next, the intermediate plate 40 is placed on the work table with the parting line side surface S22 facing the mold assembly 12 facing upward in the intermediate plate 40, and the mirror plate 36 is parted by the bolt b6. Attach to the intermediate plate 40 from the line side. For this purpose, a flange portion f12 for attachment is formed on the outer peripheral edge of the mirror surface plate 36, and holes h12 for allowing the bolts b6 to pass through a plurality of locations in the circumferential direction of the flange portion f12 are formed in the holes h12 in the intermediate plate 40. A hole h13 for tightening the bolt b6 is formed at a position corresponding to the above, and a hole h14 for inserting the bush 47, the cut punch 48, and the front half of the bearing 49 is formed in the center of the mirror surface board 16. Further, a cover 82 is attached to the mirror surface plate 36 in advance by bolts b22 in order to protect the mirror surface S32 of the mirror surface plate 36. Therefore, two of the holes h12 are used for attaching the cover 82. Since the predetermined hole h12 is placed outside the cover 82 in a state where the cover 82 is attached to the mirror plate 36, the mirror plate 36 is attached to the intermediate plate 40 while the cover 82 is attached to the mirror plate 36. be able to.

  Subsequently, after removing the cover 82, the cavity ring 37 is attached to the mirror surface board 36 from the parting line side. Therefore, a hole h15 for accommodating the head portion of the bolt b6 is formed at a location corresponding to the bolt b6 on the back surface of the cavity ring 37.

  Next, the second outer peripheral ring 38 is attached to the intermediate plate 40 from the parting line side with the bolt b9. Therefore, holes h18 for allowing the bolts b9 to pass through a plurality of locations in the circumferential direction of the second outer peripheral ring 38 are provided, and holes h19 for tightening the bolts b9 are provided at locations corresponding to the holes h18 in the intermediate plate 40. It is formed.

  Thereafter, the intermediate plate 40 is erected on the work table, the protruding pins 50 are assembled into the cut punch 48 from the side opposite to the parting line, and then the base plate 35 is attached by bolts b5 from the side opposite to the parting line. In this way, the mold assembly 32 can be assembled. The bolts b1 to b9, b21, and b22 constitute a fixing member.

  When disassembling the mold assembly 32, first, the mold assembly 32 is erected on the work table, the bolt b5 is removed, and the base plate 35 is removed from the intermediate plate 40 to the anti-parting line side. The protruding pin 50 is removed on the side opposite to the parting line. Next, the intermediate plate 40 is placed on the work table with the surface S22 facing upward, the bolt b9 is removed, and the second outer peripheral ring 38 is removed from the intermediate plate 40 to the parting line side. 37 is removed to the parting line side, then the cover 82 is attached to the mirror surface plate 36, the bolt b6 is removed, and the mirror surface plate 36 is removed from the intermediate plate 40 to the parting line side. Next, on the work table, the intermediate plate 40 is erected, the bush 47 and the bearing 49 are removed on the parting line side, and the cut punch 48 is further removed on the parting line side.

  In this way, the mold assembly 32 can be disassembled.

  As described above, in the present embodiment, in the mold assembly 12, the first outer peripheral ring 19 and the mirror surface plate 16 are attached to and detached from the base plate 15, and the abutment ring 18 is attached to and detached from the mirror surface plate 16. In the mold assembly 32, the mirror plate 36 and the second outer ring 38 are attached to and detached from the intermediate plate 40, and the cavity ring 37 is attached to and detached from the mirror plate 36. Can be done on the side.

  Therefore, since many operations can be performed with the base plate 15 and the intermediate plate 40 placed on the work table without standing, the operations at the time of assembly and maintenance / management of the mold apparatus are simplified. can do.

  In the mold assembly 12, the bolts b1, b3, b4 can be tightened without penetrating the base plate 15. In the mold assembly 32, the bolts b6, b6, Since b9 can be tightened, the bolts b1, b3, b4, b6, b9 can be shortened. Therefore, the bolts b1, b3, b4, b6, b9 are tightened in a cold state, injection molding is performed using a mold apparatus, and the bolts b1, b3, b4, b6, b9 are placed at a high temperature. Even if this is done, the tightening state is not affected, and it is possible to prevent the maintenance and manageability of the mold apparatus from deteriorating.

  Moreover, in the mold assembly 12, the bolt b1 and the abutting ring 18 can be overlapped in the radial direction, and in the mold assembly 32, the bolt b6 and the cavity ring 37 can be overlapped in the radial direction. Therefore, the mold apparatus can be downsized.

  In the present embodiment, the bolt b1 and the abutting ring 18 are overlapped in the mold assembly 12, and the bolt b6 and the cavity ring 37 are overlapped in the mold assembly 32. It is also possible to overlap the bolt b1 and the abutting ring 18 or the bolt b6 and the cavity ring 37 only in one of the mold assembly 12 and the mirror surface plate 36.

  Further, in the present embodiment, the mirror plate 16, the abutting ring 18 and the first outer ring 19 in the mold assembly 12, and the mirror plate 36, the cab ring 37 and the second outer ring 19 in the mold assembly 32. The outer peripheral ring 38 can be attached and detached from the parting line side. However, only in one of the mold assembly 12 and the mold assembly 32, the mirror plate 16, the abutting ring 18 and the first ring 18 You may enable it to attach or detach the 1 outer peripheral ring 19, or the mirror surface board 36, the cavity ring 37, and the 2nd outer peripheral ring 38 from the parting line side. Further, a predetermined one of the mirror plates 16 and 36, the abutting ring 18, the first and second outer peripheral rings 19 and 38, and the cavity ring 37 can be attached and detached from the side opposite to the parting line. Good.

  In this embodiment, the bolts b1 to b9, b21, and b22 are used as the fixing members, but screws or the like may be used.

  In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.

It is a figure which shows the assembly method of the metal mold | die assembly of the stationary side in embodiment of this invention. It is sectional drawing which shows the principal part of the metal mold | die apparatus in embodiment of this invention. It is a figure which shows the metal mold | die assembly of the stationary side after the assembly in embodiment of this invention. It is a figure which shows the assembly method of the mold assembly of the movable side in embodiment of this invention. It is a figure which shows the mold assembly of the movable side after the assembly in embodiment of this invention. It is a figure which shows the attachment / detachment method of the top face board of the metal mold | die assembly of the stationary side in embodiment of this invention. It is a figure which shows the attachment / detachment method of the top face board of the mold assembly of the movable side in embodiment of this invention.

Explanation of symbols

12, 32 Mold assembly 15, 35 Base plate 16, 36 Mirror surface 18 Abutting ring 19, 38 First and second outer ring 37 Cavity 40 Intermediate plate 81, 82 Cover b 1 to b 9, b 21, b 22 Bolt C Cavity space

Claims (10)

A first mold unit, and a second mold unit that is disposed so as to be movable forward and backward with respect to the first mold unit, and that forms a cavity space and a parting line between the first mold unit and the first mold unit. In the mold equipment,
(A) a first mounting support portion disposed in the first mold unit;
(B) a second mounting support portion disposed in the second mold unit;
(C) a first attached member attached to the first attachment support portion;
(D) having a second attached member attached to the second attachment support part,
(E) At least one of the first and second attached members is attached by a fixing member from the parting line side.   The mold apparatus according to claim 1, wherein a secondary attached member is attached to at least one of the first and second attached members from the parting line side by a fixing member.   The mold according to claim 2, wherein the secondary attached member and a fixing member for attaching at least one of the first and second attached members to the attachment support portion are overlapped in the radial direction. apparatus.   The mold apparatus according to claim 1, wherein the first and second attached members are specular plates.   2. The mold apparatus according to claim 1, wherein the first and second attached members are outer peripheral rings disposed radially outward from the mirror surface plate. A first mold unit, and a second mold unit that is disposed so as to be movable forward and backward with respect to the first mold unit, and that forms a cavity space and a parting line between the first mold unit and the first mold unit. In the manufacturing method of the mold apparatus,
(A) A first attached member is attached to a first attachment support portion disposed in the first mold unit,
(B) attaching the second mounted member to the second mounting support portion disposed in the second mold unit;
(C) At least one of said 1st, 2nd to-be-attached members is attached with a fixing member from the parting line side, The manufacturing method of the die apparatus characterized by the above-mentioned. (A) The first and second attached members are specular panels,
(B) Each said mirror surface board is a manufacturing method of the metal mold | die apparatus of Claim 6 attached to a said 1st, 2nd attachment support part with a cover attached. A first mounting support portion disposed in the first mold unit is disposed so as to be movable forward and backward with respect to the first mold unit, and a cavity space and a parting between the first mold unit and the first mold unit at the time of mold clamping A second attachment support portion disposed in a second mold unit forming a line, a first attached member attached to the first attachment support portion, and attached to the second attachment support portion. In a molded product that has a second attached member, and at least one of the first and second attached members is molded by a mold device attached by a fixing member from the parting line side,
(A) filling the cavity space with a molding material;
(B) A molded article formed by cooling the molding material. A first mounting support portion disposed in the first mold unit is disposed so as to be movable forward and backward with respect to the first mold unit, and a cavity space and a parting between the first mold unit and the first mold unit at the time of mold clamping A second attachment support portion disposed in a second mold unit forming a line, a first attached member attached to the first attachment support portion, and attached to the second attachment support portion. In a molding method of a molded article having a second attached member, wherein at least one of the first and second attached members is formed by a mold device attached by a fixing member from the parting line side. ,
(A) filling the cavity space with a molding material;
(B) A method for molding a molded product, wherein the molding material is molded by cooling. The molding machine provided with the metal mold | die apparatus of any one of Claims 1-5.

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