JP6691983B2 - Blow molding machine - Google Patents

Description

The present invention relates to a blow molding machine.

  For example, in the blow molding machine shown in Patent Document 1, many mold parts are used. Since the mold parts are formed according to the size and shape of the container to be blow-molded, if the size or shape of the container changes depending on the manufacturing lot, the mold parts must be replaced.

  When mass-producing the same container, the frequency of replacement of mold parts was low. However, in recent years when the number of types of containers to be molded has increased and the number of lots of small lots of many types has increased, there is a demand for reducing the burden of the work of exchanging die parts when the frequency of exchanging die parts increases.

Japanese Patent Publication No. 8-2586

  According to some aspects of the present invention, it is possible to reduce the burden of the work of loading or unloading mold parts from the blow molding machine.

  According to some other aspects of the present invention, it is possible to reduce the burden of the work of mounting the mold parts on the blow molding machine.

(1) One aspect of the present invention is a blow molding machine to which mold parts are attached,
A support member for supporting the mold parts carried in or out of the blow molding machine;
A moving mechanism that moves the support member to a protruding position that horizontally protrudes toward the outside of the blow molding machine, and a storage position that stores the blow molding machine in the blow molding machine;
Have
The blow molding machine has a first fixed fulcrum shaft,
The support member includes a base end portion and a free end portion, the base end portion is rotatably supported by the first fixed fulcrum shaft, and the free end portion is provided with a first movable fulcrum shaft.
The moving mechanism includes a plurality of links that are rotatably connected to each other, and one of the plurality of links is rotatably supported by the first movable fulcrum shaft of the support member, and the support member protrudes. A blow molding machine in which, when set to a position, the plurality of links are maintained in a straight line by the first angle fixing tool, and the plurality of links serve as legs that support the free ends of the support members. Regarding

  According to one aspect of the present invention, a mold member can be loaded into or unloaded from a blow molding machine by using a support member and a moving mechanism that are permanently installed in the blow molding machine. Moreover, when loading / unloading the die parts, the free ends of the supporting members protruding to the projecting position are used as the legs by using the plurality of links which are maintained in a straight line, so that the loading / unloading of the die parts of a considerable weight is carried out. A load bearing structure can be realized. In particular, in the case of a large variety of small lots, since the mold parts are frequently replaced, it is possible to greatly reduce the burden of the mold part replacement work by using the support member and the moving mechanism that are permanently installed in the blow molding machine. .. Further, during actual operation of the blow molding machine, the support member can be stored in the storage position by folding the plurality of links, and the support member and the moving mechanism do not interfere with the operation.

  (2) In one aspect of the present invention, the blow molding machine has a second fixed fulcrum shaft below the first fixed fulcrum shaft, and the support member includes the base end portion and the free end portion. A second movable fulcrum shaft, and the moving mechanism is rotatably connected to the second fixed fulcrum shaft and the second movable fulcrum shaft, respectively, and has a length corresponding to the movement of the support member. Can be further expanded and contracted, and the supporting member can further include a supporting and reinforcing member that maintains the length when the supporting member is set to the projecting position at the time of extension by fluid pressure. By providing at least one such support reinforcement member, the load bearing structure of the support member and the moving mechanism can be further strengthened.

(3) In one aspect of the present invention, the first angle fixing tool includes a first angle fixing plate and two fulcrums provided on the first angle fixing plate that rotatably supports the plurality of links. A shaft, two first pins, and two first insertion holes into which the two first pins are inserted when the support member is set to the protruding position,
Each of the plurality of links in which the first angle fixing plate is arranged has a first support hole for supporting one of the two first pins inserted through one of the two first insertion holes. Can have.

  As described above, the plurality of links rotatable about the two fulcrum shafts of the first angle fixing plate support the two first pins in the first supporting hole through the first insertion hole of the first angle fixing plate. By accepting, you will be kept in a straight line. Thus, the plurality of links can be used as the legs by the first angle fixing device. Further, by separating the two first pins, the plurality of links can be freely rotated and folded. In this way, the support member can be moved to and housed in the housing position.

  (4) In one aspect of the present invention, the first angle fixing plate further includes two second insertion holes into which the two first pins are inserted when the support member is set to the accommodation position. You can

  By doing so, the plurality of links can be kept folded by the first angle fixing plate by receiving the two first pins into the first support holes through the second insertion holes of the first angle fixing plate. it can. Thereby, a plurality of links can be compactly accommodated at the accommodation position.

(5) In one aspect of the present invention, the support member further includes a second angle fixing tool that fixes an angle between the support member and one of the plurality of links when the support member is set to a protruding position,
The second angle fixture is
A second angle fixing plate fixed to the support member and provided with the first movable fulcrum shaft;
The second pin,
A third insertion hole into which the second pin is inserted when the support member is set to the projecting position,
One of the plurality of links on which the second angle fixing plate is disposed may have a second support hole that supports the second pin inserted through the third insertion hole.

  In this way, the support member and one link freely rotatable about the first movable fulcrum shaft of the second angle fixing plate serve as the second pin through the third insertion hole of the second angle fixing plate. By being received in the two support holes, the link is maintained in the hanging direction with respect to the support member. By thus fixing the angles of the support member and the link by the second angle fixing tool, the load bearing structure of the support member and the moving mechanism can be further strengthened. Note that the second angle fixing plate may be provided with a fourth insertion hole that functions similarly to the second insertion hole provided in the first angle fixing plate. With this configuration, the angle between the support member and one link can be fixed even when the support member is in the storage position.

  (6) In one aspect of the present invention, the blow molding machine includes an injection molding unit that injects a preform and an injection device that injects resin into the injection molding unit from a first direction, and the support member is An injection molding die attached to the injection molding part, the mold part protruding from the injection molding part laterally in a second direction orthogonal to the first direction when set in the projecting position, can do. According to one aspect of the present invention, it is possible to reduce the work load of loading / unloading an injection molding die such as a hot runner die or an injection cavity die.

  (7) In one aspect of the present invention, the blow molding machine has a blow molding section that blow-molds a container from a preform, and the mold component is attached to the blow molding section in a first direction. The support member includes a pair of blow cavity split molds that are opened and closed along the blow mold, and the support member projects laterally from the blow molding portion in a second direction orthogonal to the first direction and is set to the projecting position. be able to. According to one aspect of the present invention, it is possible to reduce the work load for loading / unloading a blow mold such as a pair of blow cavity split molds.

(8) Another aspect of the present invention is a blow molding machine to which mold parts are attached,
A support member for supporting the mold parts carried in or out of the blow molding machine;
A moving mechanism that moves the support member to a protruding position that horizontally protrudes toward the outside of the blow molding machine, and a storage position that stores the blow molding machine in the blow molding machine;
Have
The blow molding machine has a fixed fulcrum shaft,
The support member has a movable fulcrum shaft that moves together with the support member,
The moving mechanism has links rotatably supported by the fixed fulcrum shaft and the movable fulcrum shaft, respectively.
When the support member is set to the projecting position, the link is set to be vertical with respect to the fixed fulcrum axis by the first angle fixing tool, and the support member is set by the second angle fixing tool with respect to the movable fulcrum axis. Relates to a blow molding machine in which is set in a horizontal state.

  According to another aspect of the present invention, it is possible to reduce the work load for loading / unloading a relatively lightweight mold component.

(9) In another aspect of the present invention, the device is supported by an elevating part that is driven up and down,
A plurality of fixing brackets are fixed to the elevating part by a plurality of bolts,
Loosening the plurality of bolts and rotating the plurality of fixing fittings around the plurality of bolts as a central axis, the plurality of fixing fittings are arranged at positions facing the elevating part, and the elevating part and the plurality of fixings are arranged. The plurality of bolts can be fastened to the plurality of fixing metal fittings to fix the mold component while the mold component is sandwiched between the metal fittings. It is possible to reduce the work load of loading / unloading the mold parts supported by the lifting unit.

(10) Yet another aspect of the present invention is
Mold parts,
A fixing part to which the mold part is fixed,
A plurality of bolts supported by the fixing portion,
A plurality of fixing brackets rotatable about the plurality of bolts as a central axis,
Have
Loosening the plurality of bolts and rotating the plurality of fixing fittings around the plurality of bolts as a central axis, the plurality of fixing fittings are arranged at positions facing the fixing portion, and the fixing portion and the plurality of fixings The present invention relates to a blow molding machine in which a plurality of bolts are fastened to a plurality of fixing metal fittings to fix the mold parts while the mold parts are sandwiched between the metal fittings.

  In this case, since the fixing metal fitting can be permanently installed in the fixing portion, the burden of mounting / removing work can be reduced and the fixing metal fitting and the bolt can be prevented from being lost.

(11) Yet another aspect of the present invention is
Lower base,
An upper base facing the lower base,
A transfer plate supported by the upper base,
Two first rails supported by the upper base,
A lip plate carried along the two first rails;
Two second rails fixed to the transfer plate on an extension of the two first rails;
A lip plate fixing bracket that is inserted into a hole formed in the transfer plate and fixes the lip plate supported by the two second rails;
And a blow molding machine.

  According to still another aspect of the present invention, the lip plate can be slid into the second rail via the first rail and can be attached only by the lip plate fixing bracket.

(12) Yet another aspect of the present invention is
A step of loading a mold unit having a dummy lip plate and an upper mold part on the lower mold part into a blow molding machine;
Fixing the lower mold part of the mold unit to the lower fixing part of a blow molding machine;
Before the lip mold was attached to the transfer plate supported by the upper base of the blow molding machine, the upper elevating part arranged above the upper base of the blow molding machine was lowered to form the transfer plate. A step of setting the upper elevating part to a mold clamping position below the transfer plate through a hole;
Fixing the upper mold component to the upper lifting unit set at the mold clamping position,
Raising the upper elevating part to separate the upper mold part from the mold unit;
And then removing the dummy lip plate,
The present invention relates to a method of attaching a mold part having a.

  According to still another method invention of the present invention, the upper mold non-component and the lower mold component can be integrally unitized and carried in, and the upper mold component and the upper elevating part supporting it can be provided. It can be set at the mold clamping position and mounted, and in particular, the work load for mounting the upper mold part is reduced.

  (13) In still another aspect of the present invention, the lower mold component is a hot runner mold and an injection cavity mold, the upper mold component is an injection core mold, and the lower fixing portion is the blow molding. The lower base of the machine, the hot runner mold of the lower mold part is fixed to the lower base, and the upper elevating part is arranged above the upper base of the blow molding machine and is moved up and down. The injection core mold fixing part is fixed to the board, and the injection core mold can be fixed to the injection core mold fixing part. By doing so, the burden of the work of attaching the injection core type can be reduced.

  (14) In still another aspect of the present invention, the lower mold part is a temperature control pot, the upper mold part is a temperature control core, and the lower fixing part is a lower part of the blow molding machine. The lower elevating unit is elevated by a lower elevating drive unit fixed to the base side, and the upper elevating unit can be vertically moved by an upper elevating drive unit fixed to the upper base side of the blow molding machine. This can reduce the burden of mounting the temperature control core.

(15) Yet another aspect of the present invention is
Lower mold parts,
A dummy lip plate mounted on the lower mold part,
An upper mold part mounted on the dummy lip plate,
Have
The dummy lip plate relates to a mold unit that is attached to a blow molding machine and sets a gap during mold clamping between the lower mold component and the upper mold component that are clamped.

  In still another aspect of the present invention, the upper die part and the lower die part can be handled as a unit during loading / unloading.

It is a top view showing the blow molding machine concerning one embodiment of the present invention in the state where the upper substrate was removed. It is a front view which shows the injection molding part and blow molding part of the blow molding machine shown in FIG. It is a side view which shows the state which sets the support member of a 1st injection type loading / unloading apparatus in a protrusion position and an accommodation position. It is a front view of an injection type unit. It is explanatory drawing for demonstrating the method of attaching the injection core mold | die which is carried in by the 1st injection mold loading / unloading apparatus, and is set to a mold clamping position to a mold clamping board. It is a top view of a transfer plate. It is a figure for demonstrating attachment of the injection core type using a fixing metal fitting. It is a figure which shows the 2nd injection type loading / unloading apparatus and the 2nd blow type loading / unloading apparatus. It is a figure which shows the injection core type conveyed by the 2nd injection type loading / unloading apparatus. It is a figure which shows the 1st blow type loading / unloading apparatus and the 2nd blow type loading / unloading apparatus. It is a figure which shows the attachment state of the blow core type | mold and extending | stretching rod fixing plate conveyed by the 2nd blow type | formula carrying in / out apparatus. It is a figure which shows the attachment state of a temperature control pot. It is a figure which shows the attachment state of a temperature control core. It is a front view of an extraction device. It is a side view of an extraction device. It is a top view which shows a lip board loading / unloading apparatus. 17 (A) and (B) are views showing the attached state of the lip plate.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to comparative examples. Note that the present embodiment described below does not unreasonably limit the content of the present invention described in the claims, and all the configurations described in the present embodiment are indispensable as means for solving the present invention. Not necessarily.

1. Blow Molding Machine The blow molding machine according to the present embodiment described below will be described, for example, by using the same drive system as the blow molding machine of the rotary transfer type 4 station described in Patent Document 1, but some implementations It is not limited to this except for the form. The blow molding machine of Patent Document 1 is a one-stage system in which a preform (parison) is injection-molded in an injection molding unit, and the preform is carried into the blow molding unit by a lip mold used for injection molding to blow-mold a container. Alternatively, it is a hot parison blow molding machine. In the one-stage type blow molding machine, a temperature control section can be provided between the injection molding section and the blow molding section, and an extraction section can be provided downstream of the blow molding section, if necessary. The embodiment that does not target the injection molding part, the temperature control part, or the take-out part is a blow molding machine of a two-stage system or a cold parison system in which a pre-molded preform is heated and blow-molded in the blow molding part. Can be applied. The present invention can also be applied to a blow molding machine that conveys a molded product linearly instead of rotationally.

  The present embodiment relates to a structure and a method for attaching or detaching a mold part to a blow molding machine, and the structure of the blow molding machine will be described only to the extent necessary to replace the mold part. Further, the mold part means a part for molding that is exchanged according to the size of the container to be blow molded. Mold parts include injection core molds, injection cavity molds, hot runner molds, temperature control pots, temperature control cores, blow core molds, blow molds, stretch rods, eject pins, lip molds (lip plates), as various molds. It means one of the neck molds, or a mold unit in which a plurality of the molds are laminated, and may further include a component that fixes or supports the molds or serves as a spacer member.

  FIG. 1 is a plan view showing a rotary conveyance type blow molding machine with an upper substrate removed. In FIG. 1, on a machine base 10, there are a first area 1 in which an injection device (not shown) is mounted and a second area 2 in which a molded product is rotationally conveyed and molded. As shown in FIG. 1, the orthogonal biaxial directions in plan view are a first direction A and a second direction B. The rotation direction around a vertical axis orthogonal to the orthogonal biaxial directions A and B is C. In the second region 2, the injection molding part 100, the temperature control part 200, the blow molding part 300, and the take-out part 400 are arranged at intervals of 90 degrees along the rotation direction C. The injection device arranged in the first region 1 injects the resin toward the injection molding unit 100 in the first direction A. The mold clamping / mold opening direction in the injection molding unit 100 is, for example, a vertical direction in which the mold clamping plate 102 (see FIG. 3) moved up and down together with the three movable tie bars 101 moves. The opening / closing direction of the mold clamping / mold opening device 301 in the blow molding unit 300 also matches the first direction A.

2. Injection molding part 2.1. First Injection Mold Loading / Unloading Device First, replacement of mold parts in the injection molding unit 100 will be described with reference to FIGS. 2 to 4. As shown in FIG. 2, the machine base 10 is provided with a lower base 11. In the injection molding unit 100 shown in FIG. 4, the hot runner mold 111 is fixed on the surface of the lower substrate 11, and the injection cavity mold 112 is fixed on the hot runner mold 111. Therefore, the mold parts attached to the lower base 11 side are the hot runner mold 111 and the injection cavity mold 112 having the injection cavity 112A. In the present embodiment, as shown in FIG. 4, an injection core mold 113 having an injection core 113A is further mounted on the injection cavity mold 112 via a dummy lip plate 114, and when the mold is exchanged, the injection core mold 113 shown in FIG. The injection type unit 110 shown can be handled as a unit. The injection unit 110 will be described later.

  In order to carry in / out the injection type unit 110, a first injection type loading / unloading device 500 shown in FIGS. 1 to 3 is permanently installed in the blow molding machine. The first injection type carry-in / carry-out device 500 includes a support member 510 that supports the injection type unit 110, and a moving mechanism 520 that moves the support member 510. As shown in FIGS. 1 and 2, the moving mechanism 520 includes a projecting position P1 that horizontally projects the support member 510 toward the outside of the blow molding machine, and a storage position P2 that stores the support member 510 in the blow molding machine. Move to and. At the accommodation position P2, for example, the support member 510 can be accommodated in a vertical state so as to be parallel to the side surface of the machine base 10.

  The blow molding machine has a first fixed fulcrum shaft 20. The support member 510 includes a base end portion 511 and a free end portion 512, the base end portion 511 is rotatably supported by the first fixed fulcrum shaft 20, and the free end portion 512 has a first movable fulcrum shaft 513. It is provided.

  The moving mechanism 520 includes a plurality of links 521 and 522 that are rotatably connected to each other, and one link 521 of the plurality of links 521 and 522 is rotatably supported by a movable fulcrum shaft 513 of a support member 510. There is. Then, in the moving mechanism 520, when the support member 510 is set to the protruding position P1, the plurality of links 521 and 522 are maintained in a straight line by the first angle fixing tool 530, and the plurality of links 521 and 522 are The leg portion supports the free end portion 512 of the supporting member 510.

  In the present embodiment, the hot runner mold 111 and the injection cavity mold 112 are integrally formed, or the injection mold unit 110 is integrally formed, and the first injection mold loading / unloading device 500 that is permanently installed in the blow molding machine is used. Mold parts can be loaded into or unloaded from. Moreover, by using the plurality of links 521 and 522, which are maintained in a straight line, as the legs, the free end portion 512 of the supporting member 510 protruding to the projecting position P1 is used as a leg portion at the time of loading / unloading die parts. A load-bearing structure for loading / unloading die parts can be realized. Particularly, in the case of a large variety of small lots, since the die parts are frequently exchanged, it is necessary to use the first injection type loading / unloading device 500 permanently installed in the blow molding machine to reduce the burden of the die part replacement work. It can be greatly reduced. Further, during actual operation of the blow molding machine, by folding the plurality of links 521 and 522, the support member 510 can be housed in the housing position P2, and the first injection type carry-in / carry-out device 500 interferes with the operation. It will never happen.

  As shown in FIGS. 2 and 3, on the surface of the support member 510, a plurality of spheres 515, some of which project from the surface, can be rotatably supported. The surface of the lower substrate 11 on which the injection-molded part 100 is arranged can also rotatably support the sphere 30 partially protruding from the surface. In this case, the mold part is brought into rolling contact with the spherical bodies 30, 515 and the frictional force is reduced, so that loading / unloading can be performed with a lighter load. The sphere 30 protruding from the lower base 11 is urged by a urging member such as a spring, and when the hot runner die 111 is fastened to the lower base 11, the sphere 30 is flush with the surface of the lower base 11. Become one

  In the present embodiment, by providing the supporting and reinforcing member (eg, air damper) 540 shown in FIGS. 2 and 3, the position of the supporting member 510 in the first injection type carry-in / carry-out device 500 can be easily changed. For this reason, the blow molding machine has a second fixed fulcrum shaft 21 below the first fixed fulcrum shaft 20. Further, the support member 510 has a second movable fulcrum shaft 514 between the base end 511 and the free end 512.

  The support reinforcing member 540 is rotatably connected to the second fixed fulcrum shaft 21 and the second movable fulcrum shaft 514, respectively, and the length thereof is expanded and contracted as the support member 510 moves, so that the support member 510 is projected to the projecting position P1. The length at the time of extension set to is maintained by fluid pressure. The support / reinforcement member 540 may include, for example, a cylinder 541 in which a fluid is sealed and a piston rod 542 that is detachably provided in the cylinder 541.

  Although two supporting and reinforcing members 540 are provided in FIG. 2, the load bearing structure of the first injection type carry-in / carry-out device 500 can be further strengthened by providing at least one supporting and reinforcing member 540.

  As shown in FIG. 3, the first angle fixing member 530 has two fulcrums provided on the first angle fixing plate 531 and the first angle fixing plate 531 that rotatably supports the plurality of links 521 and 522, respectively. It has shafts 532, 533, first pins 534, 535, and two first insertion holes 534A, 535A into which the two first pins 534, 535 are inserted when the support member 510 is set to the projecting position P1. .. On the other hand, each of the plurality of links 521 and 522 on which the first angle fixing plate 531 is arranged supports one of the two first pins 535 (536) inserted through the first insertion holes 535A (536A). It has a first support hole 521A (522A).

  In this way, the plurality of links 521 and 522 rotatable about the two fulcrum shafts 532 and 533 of the first angle fixing plate 531 are inserted through the first insertion holes 534A and 535A of the first angle fixing plate 531. By receiving the two first pins 534 and 545 in the first support holes 521A and 522A, they are maintained in a straight state, for example, in the vertical direction as shown in FIG. At this time, the two fulcrum shafts 532 and 533 and the two first pins 534 and 535 inserted into the first insertion holes 534A and 535A are also arranged in a straight line in the vertical direction. Thus, the plurality of links 521 and 522 can be used as legs by the first angle fixing tool 530. Further, by separating the two first pins 534 and 535, the plurality of links 521 and 522 can be freely rotated and folded. In this way, the supporting member 510 can be moved to and housed in the housing position P2 shown in FIG.

  As shown in FIG. 3, the first angle fixing plate 531 adds two second insertion holes 534B and 535B into which the two first pins 534 and 535 are inserted when the support member 510 is set to the accommodation position P2. can do. By doing so, the plurality of links 521 and 522 receive the two first pins 534 and 535 into the first support holes 521A and 522A through the second insertion holes 534B and 535B of the first angle fixing plate 531. As shown in FIG. 3, the first angle fixing plate 511 is bent to maintain the parallel state. At this time, the two fulcrum shafts 532 and 533 and the two first pins 534 and 535 inserted into the second insertion holes 534B and 535B are arranged in a straight line in the horizontal direction. Thereby, the plurality of links 521 and 522 can be compactly accommodated at the accommodation position P2.

  In the present embodiment, as shown in FIG. 3, when the support member 510 is set to the projecting position P1, the second angle that fixes the angle between the support member 510 and one of the links 521 of the plurality of links 521 and 522. The fixture 550 can be further included. The second angle fixing member 550 has the second angle fixing plate 551 fixed to the supporting member 510 and provided with the first movable fulcrum shaft 513, the second pin 552, and the supporting member 510 set to the projecting position P2. And a third insertion hole 552A into which the second pin P2 is sometimes inserted. On the other hand, the link 521 on which the second angle fixing plate 550 is arranged may have a second support hole 521B that supports the second pin 552 inserted through the third insertion hole 552A.

  As described above, the support member 510 and the link 521, which are freely rotatable about the first movable fulcrum shaft 513 of the second angle fixing plate 551 as a fulcrum, are connected to each other via the third insertion hole 552A of the second angle fixing plate 551. By receiving the 2 pin 552 in the second support hole 521B, the link 521 is maintained in the hanging direction with respect to the support member 510 in the horizontal state as shown in FIG. At this time, the first movable fulcrum shaft 513 and the second pin 552 inserted into the third insertion hole 552A are arranged in a straight line in the vertical direction. Thus, the angles of the support member 510 and the link 521 are fixed by the second angle fixing tool 530, so that the load bearing structure of the first injection type carry-in / carry-out device 500 can be further strengthened.

  In the present embodiment, the second angle fixing plate 551 can be provided with the fourth insertion hole 552B that functions similarly to the second insertion holes 534B and 535B provided in the first angle fixing plate 531. This makes it possible to fix the angle between the support member 510 and the link 521 even when the support member 510 is in the storage position P2.

2.2. Attaching / Detaching Method with Injection Unit Integrated Next, a method of attaching the injection die to the blow molding machine using the first injection die loading / unloading device 500 will be described with reference to FIGS. 4 and 5. Before that, the injection mold clamping drive will be described with reference to FIG. A towing plate 103 is provided below the machine base 10 shown in FIG. 3, and when the towing plate 103 is moved up and down, the mold clamping plate 102 connected to the towing plate 103 is moved up and down by the three movable tie bars 101. The injection core mold fixing portion 104 is fixed to the mold clamping plate 102. Here, the mold clamping plate 102 and the injection core mold fixing part 104 capable of moving the injection core mold 113 up and down are also referred to as an elevating part.

  The hot runner mold 111 shown in FIG. 4 is fixed to the lower substrate 11, and the injection cavity mold 112 is fixed on the hot runner mold 111. On the other hand, the injection core mold 113 is fixed to the injection core mold fixing portion 104 supported by the mold clamping plate 102. Further, as shown in FIG. 2, a transfer plate 13 that is rotationally driven is rotatably supported on the upper base 12. As shown in FIG. 1 of Patent Document 1, four transfer plates 13 are arranged at intervals of 90 degrees in a plan view, and one transfer plate 13 is stopped by the injection molding unit 100. As shown in FIG. 6, a lip type (not shown) supported by a mounting hole 15 formed in a lip plate 14 that is opened and closed is arranged on each of the four transfer plates 13. Further, the transfer plate 13 is formed with a hole 16 described later.

  The mold clamping operation in the injection molding unit 100 is performed by lowering the transfer plate 13 and the mold clamping plate 102, closing the injection core mold 113 into a lip mold, and further lowering the mold clamping plate 102, thereby injecting the injection core mold. It is pushed by 113, the lip die moves down together with the transfer plate 13 and the lip plate 14, and the injection core die 113 and the lip die are clamped to the injection cavity die 112. The transfer plate 13 in this embodiment is provided with an elevating mechanism as disclosed in Patent Document 1, for example, and can be moved up and down independently of the injection core.

  In order to carry the mold parts into the injection molding section 100, an injection mold unit 110 shown in FIG. 4, for example, is prepared. Here, the loading of the injection type unit 110 is performed in a state in which the transfer plate 13 is not attached with the lip type and the lip plate 14 supporting the lip type. The gap G between the injection cavity mold 112 and the injection core mold 113 at the time of mold clamping shown in FIG. 4 is originally set by the lip plate 14 and the lip mold. Since the lip plate 14 and the lip mold do not exist when the mold is loaded, the gap G is secured by using the dummy lip plate 114 shown in FIG. In the present embodiment, the gap G is set by the dummy lip plate 114 and the two dummy lip molds 114A provided at both ends in the longitudinal direction, but the gap G may be set only by the dummy lip plate 114. good. By interposing the dummy lip plate 114, when the hot runner mold 111 is attached to the lower base 11, the injection core mold 113 can be set to the original mold clamping height from the lower base 11. Here, the mold parts above the dummy lip plate 114 are called upper mold parts, and the lower mold parts are called lower mold parts.

  The injection unit 110 is placed on the support member 510 set at the protruding position P1 shown in FIGS. 1 and 3. By pushing the injection unit 110, the injection unit 110 is moved by rolling contact with the sphere 515 on the support member 510 and the sphere 30 on the lower substrate 11, and is positioned at a predetermined position by the positioning pin 109 shown in FIG. To be done. Then, the hot runner mold 111 of the injection mold unit 110 is fixed to the lower substrate 11 of the blow molding machine (see FIG. 4). As a result, the hot runner mold 111 is fixed to the lower base 11, and the injection cavity mold 112 is fixed in advance on the hot runner mold 111, so that the attachment of the mold component to the lower base 11 is completed.

  Next, the step of fixing the injection core mold 113 to the injection core mold fixing portion 104 is performed. For this purpose, the mold arranged above the upper base 12 of the blow molding machine before the lip plate 14 and the lip mold are attached to the upper base 12 of the blow molding machine or the transfer plate 13 supported by the transfer plate lifting mechanism. The tightening board 102 is pulled by the towing board 103 and lowered. Since the lip plate 14 and the lip mold are not attached to the transfer plate 13, a hole 16 (see FIG. 6) through which the injection core mold 113 can be passed is formed. Therefore, when the mold parts are attached, the transfer plate 13 is first lowered to set the injection core mold 113 to the mold clamping position above the transfer plate 13 through the hole 16 of the transfer plate 13. be able to.

  On the other hand, as described above, the injection core mold 113 of the injection mold unit 110 fixed to the lower substrate 11 is set at the mold clamping position by interposing the dummy lip plate 114. FIG. 5 illustrates a state in which the injection core mold 113 of the injection mold unit 110 is set to the mold clamping height. By lowering the injection core mold fixing portion 104 to this mold clamping height position, the injection core mold 113 can be fixed to the injection core mold fixing portion 104.

  Here, as an example of fixing the die component to the fixing portion, FIG. 7 shows an example of fixing the injection core mold 113 to the injection core mold fixing portion 104. The injection core mold 113, which is a mold component, is provided with two protrusions 113 protruding in the width direction at the upper end portion facing the injection core mold fixing portion 104 which is a fixing portion. A fixing metal fitting 105, for example, an L-shaped metal fitting 105 having a vertical portion 105A and a horizontal portion 105B, is fixed to the injection core mold fixing portion 104 side with a bolt 106. The injection core type fixing portion 104 can fix a mounting member 107 having a hole for inserting the bolt 106 with a bolt 108. The shape of the mounting bracket 107 may be provided integrally with the injection core type fixing portion 104.

  The two protrusions 113B of the injection core mold 113 are arranged so that four (only two on one side are illustrated in the figure) horizontal portions 105B and 105B face inward and face each other, thereby forming an L-shaped metal fitting. It is sandwiched between 105 and the mounting bracket 107 and fastened with a bolt 106.

  As described above, when the injection core mold fixing portion 104 is lowered to set the mold clamping position, the bolts 106 are loosened, the four L-shaped metal fittings 105 are rotated around the bolts 106, and the four horizontal portions 105B are moved outside. Set it so that it faces. Then, the injection core mold fixing portion 104 can be set at the mold clamping position without interfering with the two projections 113B of the injection core mold 113. After that, the four L-shaped metal fittings 105 may be rotated around the bolt 106, and the bolt 106 may be tightened in the state shown in FIG. 7. In this way, the work of exchanging the mold parts is simplified.

  The L-shaped metal fitting 105 does not need to be removed every time the mold parts are replaced, and the bolt 106 may be loosened. Therefore, the L-shaped metal fitting 105 can be permanently installed in the injection core type fixing portion 104, and there is no risk of parts being lost.

  It should be noted that the fixing of the mold component using such an L-shaped metal fitting can be used for other than the injection core mold 113. For example, the hot runner mold 111 can be attached to the lower substrate 11, the injection cavity mold 112 can be attached to the hot runner mold 111, and can also be used for attaching various mold parts described later. Further, in order to facilitate the work of attaching and detaching the mold by the L-shaped metal fitting 105, the through hole of the bolt 106 may be formed in a long hole shape so that the bolt can be horizontally moved after being loosened.

  After the injection core mold 113 is attached to the injection core mold fixing portion 104, the mold clamping machine 102 is raised and the injection core mold fixing portion 104 raises the injection core mold 113. Thereby, the injection core mold 113 can be separated from the injection mold unit 110. Finally, the dummy lip plate 114 is removed from the injection cavity mold 112. This completes the mounting of the mold parts in the injection molding unit 100. The mold parts can be removed from the injection molding section 100 in the state of the injection mold unit 110 shown in FIG. 4 by performing the above-described mounting steps in reverse order.

2.3. Second Injection Type Loading / Unloading Device and Mounting Method FIG. 8 shows a second injection type loading / unloading device 600 for loading / unloading the injection core mold 113. The second injection mold carry-in / carry-out device 600 includes a support member 610 for supporting the injection core mold 113, which is a mold component carried in or carried out from the blow molding machine, and the support member 610 outside the blow molding machine. It has a moving mechanism 620 that moves it to a projecting position P3 that horizontally projects toward it and a housing position P4 that houses the blow molding machine.

  The blow molding machine has a fixed fulcrum shaft 22. The support member 610 has a movable fulcrum shaft 611 that moves together with the support member 610. The moving mechanism 620 has a link 621 that is rotatably supported by the fixed fulcrum shaft 22 and the movable fulcrum shaft 611, respectively. When the support member 610 is set to the projecting position P3, the link 621 is set to the vertical state with respect to the fixed fulcrum shaft 22 by the first angle fixing tool 630, and the second angle fixing tool 640 is set with respect to the movable fulcrum shaft 611. Thus, the support member 610 is set in the horizontal state. First. The second angle fixing tools 630 and 640 may be configured in the same manner as the first and second angle fixing tools 530 and 550 shown in FIG. 3, and the support members may be maintained at the protruding position P3 or the accommodation position P4 by the pin. The angles of 610 and the link 621 can be fixed. At the storage position P4, the support member 610 and the link 621 are both stored in parallel in the vertical direction.

  The support member 610 can be two rails 610A and 610B as shown in FIG. The injection core mold 113, which is a mold component, has projections 113C and 113C mounted on the rails 610A and 610B. The protrusions 113C and 113C can be slid on the rails 610A and 610B to carry the injection core mold 113 below the injection core mold fixing portion 104. The injection core mold 113 carried in below the injection core mold fixing part 104 is fixed by the same method as the method shown in FIG. However, it is necessary to remove the L-shaped metal fitting 105 located on the destination side of the injection core mold 113 at the injection core mold fixing portion 104 shown in FIG. This is because it interferes with the injection core mold 113 that is carried in. The injection core mold 113 can be removed in the reverse order of the above-described attachment process.

  When the second injection type loading / unloading device 600 is used, the injection type unit 110 shown in FIG. 4 is not used. The hot runner mold 111 and the injection cavity mold 112 are integrated and are loaded onto the lower substrate 11 of the blow molding machine using the first injection mold loading / unloading device 500. After that, the hot runner mold 111 is fixed to the lower base 11 to complete the attachment of the mold parts to the lower base 11. The injection core mold 113 is attached using the second injection mold carry-in / carry-out device 600.

3. Blow molding section 3.1. First Blow-Type Loading / Unloading Device Next, the first blow-type loading / unloading device 700 will be described with reference to FIGS. 1, 2 and 10. The first blow-type loading / unloading device 700 has substantially the same configuration as the first injection-type loading / unloading device 500, and includes a support member 710 and a moving mechanism 720. In the present embodiment, the first blow type loading / unloading device 700 differs from the first injection type loading / unloading device 500 in that the surface of the supporting member 710 is provided with a sphere 515 provided on the surface of the supporting member 510. That is not the case. The blow mold (not shown) mounted on the support member 710 has at least a pair of blow cavity split molds, a pair of pressure receiving plates, and a pair of fixing plates for fixing them. Since slide metals that reduce the frictional force with the lower base plate 11 are provided on the lower surfaces of the pair of pressure receiving plates, the frictional force on the support member 710 can be reduced by the slide metals even when the blow mold is carried in and out. is there. However, the support member 710 may also be provided with the sphere 515. Further, instead of the slide metal, a rolling member, for example, a roller may be provided on the side surface of the blow mold.

  As shown in FIGS. 1, 2, and 10, the moving mechanism 720 accommodates the support member 710 in the blow molding machine and the projecting position P5 in which the support member 710 horizontally projects toward the outside of the blow molding machine. It is moved to the storage position P6. At the accommodation position P6, for example, the support member 710 can be accommodated in a vertical state so as to be parallel to the side surface of the machine base 10.

  The blow molding machine has a first fixed fulcrum shaft 23. The support member 710 includes a base end 711 and a free end 712. The base 711 is rotatably supported by the first fixed fulcrum shaft 23, and the free end 712 has a first movable fulcrum shaft 713. It is provided.

  The moving mechanism 720 includes a plurality of links 721 and 722 that are rotatably connected to each other. One of the links 721 of the plurality of links 721 and 722 is rotatably supported by the movable fulcrum shaft 713 of the support member 710. There is. Then, in the moving mechanism 720, when the support member 710 is set to the protruding position P5, the plurality of links 721 and 722 are maintained in a straight line by the first angle fixing tool 730, and the plurality of links 721 and 722 are It becomes a leg portion that supports the free end portion 712 of the support member 710.

  In the present embodiment, by providing the supporting and reinforcing member (for example, air damper) 740 shown in FIGS. 2 and 10, the position of the supporting member 510 in the first blow-type loading / unloading device 700 can be easily changed. For this reason, the blow molding machine has a second fixed fulcrum shaft 24 below the first fixed fulcrum shaft 23. Further, the support member 710 has a second movable fulcrum shaft 714 between the base end 711 and the free end 712.

  The support reinforcing member 740 is rotatably connected to the second fixed fulcrum shaft 24 and the second movable fulcrum shaft 714, respectively, and the length thereof is expanded and contracted as the support member 710 moves, so that the support member 710 is projected to the projecting position P1. The length at the time of extension set to is maintained by fluid pressure. The support and reinforcement member 740 can include, for example, a cylinder 741 in which a fluid is sealed, and a piston rod 742 that is detachably provided in the cylinder 740.

  Although two supporting and reinforcing members 740 are provided in FIG. 2, by providing at least one supporting and reinforcing member 740, the position of the supporting member 510 in the first blow-type loading / unloading device 700 can be more easily changed. Can be implemented.

  Further, when the support member 710 is set to the projecting position P5, a second angle fixing tool 750 that fixes the angle between the support member 710 and one of the links 721 of the plurality of links 721 and 722 may be further included. Further, a third angle fixing tool 760 may be provided to fix the angle so as to maintain the support member 710 in a horizontal state when the support member 710 is set to the protruding position P5. The first to third angle fixing tools 730, 750, 760 described above are projected by inserting and removing pins similarly to the first and second angle fixing tools 530, 550 of the first injection type loading / unloading device 500. A configuration in which the set angles of the position P5 and the accommodation position P6 can be fixed can be adopted. A third angle fixing tool can be added to the first injection type loading / unloading apparatus 500 in the same manner as the third angle fixing tool 760 of the first blow type loading / unloading apparatus 700.

3.2. Second Blow Mold Loading / Unloading Device FIG. 8 is a second blow mold for loading / unloading the blow core mold 310 including the blow core 310A shown in FIG. 11 and the stretch rod fixing plate 320 to which the stretch rod 320A is fixed. A loading / unloading device 800 is shown. The second blow mold loading / unloading device 800 includes a support member 810 that supports a blow core mold 310 that is a mold component that is loaded into or unloaded from a blow molding machine, and a support member 810 that faces the outside of the blow molding machine. And a moving mechanism 820 for moving to a projecting position P7 that horizontally projects and a housing position P8 that houses the blow molding machine.

  The blow molding machine has a fixed fulcrum shaft 25. The support member 810 has a movable fulcrum shaft 811 that moves together with the support member 810. The moving mechanism 820 has a link 821 that is rotatably supported by the fixed fulcrum shaft 25 and the movable fulcrum shaft 811. When the support member 810 is set to the projecting position P7, the link 821 is set to the vertical state with respect to the fixed fulcrum shaft 25 by the first angle fixing tool 830, and the second angle fixing tool 840 is set with respect to the movable fulcrum shaft 811. Thus, the supporting member 810 is set in the horizontal state. First. The second angle fixing tools 830 and 840 may be configured in the same manner as the first and second angle fixing tools 530 and 550 shown in FIG. 3, and the support members may be maintained at the protruding position P7 or the accommodation position P8 by the pins. The angles of 810 and the link 821 can be fixed. At the storage position P8, the support member 810 and the link 821 are both stored in parallel in either the vertical direction or the horizontal direction.

  The support member 810 can be composed of two rails 810A and 810B similar to the two rails 610A and 610B shown in FIG. The blow core mold 310, which is a mold component, is formed with protrusions to be mounted on the rails 810A and 810B. By sliding the protrusions on the rails 810A and 810B, the blow core mold 310 can be carried in below the blow core mold fixing portion 302 shown in FIG. The blow core mold 310 carried in below the blow core mold fixing portion 302 is fixed by the same method as shown in FIG. 7. That is, the protrusion 310B provided on the blow core mold 310 is sandwiched between the mounting metal fitting 303 and the fixing metal fitting 304, for example, the L-shaped metal fitting 304, and fastened by the bolt 305. However, it is necessary to remove the L-shaped metal fitting 304 located on the destination side of the blow core mold 310 at the blow core mold fixing portion 310 shown in FIG. This is because it interferes with the blow core mold 310 that is carried in. The removal of the blow core mold 310 can be performed in the reverse order of the above-described mounting process. The mounting bracket 303 may be integrally formed with the blow core type fixing portion 302.

  The stretch rod fixing plate 320 can be mounted on the blow core mold 310 in a state where the stretch rod 320A is inserted into the vertical hole of the blow core mold 310, and simultaneously carried in by the second blow mold carry-in / carry-out device 800. At this time, a plurality of, for example, three pre-stretch adjusting plates 330 (330A, 330B, 330C) are interposed between the stretch rod fixing plate 320 and the blow core mold 310, as shown in FIG.

  The stretch rod fixing plate 320 and the preliminary stretch adjusting plate 330 are sandwiched and supported between the fixing portion 306 and the fixing metal member 307, for example, the L-shaped metal member 307. One L-shaped metal fitting 307 is fixed to the fixing portion 306 with a bolt 308, and the other L-shaped metal fitting 307 is fixed to the fixing portion 306 with a bolt 309 after the stretch rod fixing plate 320 and the preliminary stretch adjusting plate 330 are arranged. To be done.

  Here, the pre-stretching means that the stretch rod 320A stretches the preform in the vertical axis before introducing the blow air at the stage where the blow core 310A of the blow core die 310 is clamped with the lip die and the blow cavity split die. To do. By pre-stretching, the portion immediately below the lip portion of the preform can be longitudinally stretched first to adjust the wall thickness distribution of the blow-molded container.

  As shown in FIG. 11, when the preliminary stretching adjustment plate 330 is arranged below the stretching rod fixing plate 320, the preliminary stretching stroke is zero. By disposing at least one of the three preliminary stretching adjustment plates 330A, 330B, and 330C above the stretching rod fixing plate 320, the position of the lower end of the stretching rod 320A is lowered, and preliminary stretching becomes possible. The pre-drawing stroke can be changed by changing the combination of the three pre-drawing adjusting plates 330A, 330B, 330C arranged above the draw rod fixing plate 320. Slits for inserting / removing without interfering with the stretching rod 320A can be formed in the three preliminary stretching adjusting plates 330A, 330B, and 330C. The blow core type fixing part 302 and the stretching rod fixing plate 320 are an example of an elevating part, as the blow core type 310 and the stretching rod 320A can be moved up and down by a driving source such as an air cylinder.

4. Temperature Control Section FIGS. 12 and 13 show how the temperature control pot 210 (an example of a lower mold part) and the temperature control core 220 (an example of an upper mold part) are attached. As shown in FIG. 12, a fixing metal fitting 203 is fixed to a temperature control pot fixing base 202 that is moved up and down by an air cylinder 201 fixed to the lower base 11 side, and a fixing metal fitting is fixed to the mounting metal fitting 203 with a bolt 205. 204 For example, an L-shaped metal fitting 204 is provided. The temperature control pot 210 has a protrusion 211 that is sandwiched between the mounting bracket 203 and the L-shaped bracket 204. However, the mounting member 203 may be formed integrally with the temperature control pot fixing base 202.

  The L-shaped metal fitting 204 is permanently attached to the mounting metal fitting 203, and by loosening the bolt 205, the bolt 205 is rotated in a horizontal plane about the bolt 205 as a central axis, so that the temperature of the protrusion 211 is adjusted without interfering with the protrusion 211 of the temperature adjustment pot 210. It can be received on the upper surface of the pot fixing base 202. Then, the L-shaped metal fitting 204 is rotated to set it to the state shown in FIG. 12, and then the bolt 205 is fastened to fix the temperature control pot 210. As with the L-shaped metal fitting 204 used in the injection-molded part 100, the through-hole into which the bolt 205 is inserted has a long hole shape, and after loosening the bolt 205, the L-shaped metal fitting 204 can be moved back and forth in a horizontal plane. You can use metal fittings.

  As shown in FIG. 13, the temperature control core 220, which is inserted into the temperature control pot 210 via the lip mold, has a protrusion 221. The temperature control core fixing part 231 that is moved up and down by an air cylinder 230 (an example of an upper lifting drive part) fixed to the upper base 12 side has a fixing metal fitting 232 connected by a bolt 233, for example, an L-shaped metal fitting 232. The L-shaped metal fitting 232 is permanently installed in the temperature control core fixing portion 231, and by loosening the bolt 233 to rotate the bolt 233 in the horizontal plane about the bolt 233 as a central axis, the L-shaped metal fitting 232 does not interfere with the protrusion 221 of the temperature control core 220. The metal fitting 232 can be received on the lower surface of the temperature control core fixing portion 231. After that, the L-shaped metal fitting 232 is rotated to set it to the state shown in FIG. 13, and then the bolt 233 is fastened to fix the temperature control core 220. Here, the temperature control core fixing part 231 capable of moving the temperature control core 220 up and down is referred to as an upper elevating part, and the temperature control pot fixing base 202 capable of elevating the temperature control pot 210 is referred to as a lower elevating part.

  Although not shown, either the first or second injection type carry-in / carry-out device 500 or 600 or the first or second blow type carry-in / carry-out device 700 or 800 described above is also provided in the temperature control unit 200. This type of mold component loading / unloading device can be permanently installed, or can be detachably attached and stored in the machine base 10.

  Here, the temperature control pot 210 and the temperature control core 220 can be stacked in the same manner as the injection type unit 110 shown in FIG. 4 with the dummy lip plate 114 interposed therebetween and carried in and out as a temperature control unit. .. Also in this case, after fixing the temperature control pot 210 of the temperature control unit carried in as shown in FIG. 12, the lip plate 14 and the lip mold are attached to the transfer plate 13 supported by the upper base 12 of the blow molding machine. Before mounting, the air cylinders 201 (an example of a lower lift drive unit) and 230 shown in FIGS. 12 and 13 are driven to set the temperature control unit at the mold clamping position. At this time, since the lip plate 14 and the lip die are not attached to the transfer plate 13, a hole 16 (see FIG. 6) through which the temperature control core 220 (particularly the protrusion 211) can pass is formed. Therefore, the transfer plate 13 is not lowered when the mold parts are attached, and only the temperature adjusting core 220 is moved upward through the hole of the transfer plate 13 by the ascending drive of the lower elevating unit, specifically, the upper position of the transfer plate 13. It can be set at the mold clamping position.

  On the other hand, as described above, the temperature adjustment core 220 of the temperature adjustment unit is set at the mold clamping position by interposing the dummy lip plate 114. By lowering the temperature adjustment pot fixing portion 231 to this mold clamping height position, the temperature adjustment pot 220 can be fixed to the temperature adjustment pot fixing portion 231.

5. Extraction Unit The extraction unit 400 shown in FIG. 1 supports the extraction device 410 shown in FIGS. 14 and 15 on the upper substrate 12 side. In the take-out device 410, ejecting plates 413 having a wedge-shaped tip are fixed to both sides of an elevating part 412 that is elevated and lowered by an air cylinder 411. As shown in FIG. 15, when the eject plate 413 is driven downward by the air cylinder 411 together with the elevating part 412, it is inserted into the wedge holes of the pair of lip plates 14 and drives the pair of lip plates 14 to open. is there. By the drive, the pair of lip split dies (not shown) supported by the pair of lip plates 14 are opened, and the blow-molded container can be dropped downward. In this embodiment, the rail 420 is fixed to the two eject plates 413 as a supporting member (see FIG. 14).

  The eject pin fixing plate 430, which is a mold component, fixes a plurality of eject pins 431 by suspending them. Both ends of the eject pin fixing plate 430 are mounted on the rail 420 and are carried to the mounting position. The eject pin fixing plate 430 can be fixed to the elevating part 412 by inserting the lock pin 421 from the side of the two eject plates 413.

  Since the number of parts arranged in the take-out part 400 is smaller than those in the injection molding part 100, the temperature control part 200 and the blow molding part 300, the empty space is used to carry in the lip board as shown in FIG. The carry-out device 900 is arranged.

6. Lip Type Loading / Unloading Device The lip plate loading / unloading device 900 has two first rails 910 swinging around two fulcrum shafts 901 provided on the upper base 12. The two first rails 910 swing to the projecting position P9 and the housing position P10. The two first rails 910 have slits 911, and bolts or lock pins 912 are inserted into the slits 911 and fixed to the upper base 12 at the protruding position P9.

  As shown in FIG. 17A, the transfer plate 13 supporting the pair of lip plates 14 shown in FIG. 16 has two second rails 13A for guiding the pair of lip plates 14 to open and close (see FIG. ), Only one of them is shown) is arranged at both ends of the pair of lip plates 14 in the longitudinal direction and is fixed by bolts 13B. Protrusions 14A are formed so as to protrude from both ends of the pair of lip plates 14 in the longitudinal direction. The protrusion 14A is mounted on the second rail 13A.

  The second rail 13A shown in FIG. 17A is located on the extension of the first rail 910 shown in FIG. 16 in the insertion direction of the lip plate 14. Therefore, when the protrusion 14A of the lip plate 14 is placed on the rail 910 and the lip plate 14 is carried in along the rail 910, the lip plate 14 can be slid into the second rail 13A. By inserting a lip plate fixing bracket 13C, for example, a positioning pin 13C from above the transfer plate 13 through a hole 13D formed in the transfer plate 13 into a half slit 14B formed in the protrusion 14A of the lip plate 14, The mounting of the plate 14 is completed. As seen in Japanese Patent Laid-Open No. 8-244103, conventionally, it is necessary to insert a positioning pin from the lower side into a positioning hole of a neck-type support plate (lip plate), and then bolt a fall prevention member of the positioning pin to a rail. .. Therefore, when the number of lip plates increases, the work time required for fixing the lip plates also tends to increase. Although a drop prevention member is provided as a measure to prevent the positioning pin from falling off, if the cycle speed (bottle production speed) increases, a load is applied to the positioning pin and the fall prevention member. There was still fear. The neck-type support plate (lip plate) is also displaced due to these phenomena, which leads to damage to mold parts and machine parts during mold clamping. Also, unexpected damage or failure can pose a risk to workers. In this embodiment, since the positioning pin 13C is inserted from above and supported on the rail 13A, the risk of misalignment and dropping is significantly reduced. Further, the time required for loading / unloading work and maintenance of the lip plate 14 is shortened, and the workability is remarkably improved.

  Instead of FIG. 17A, as shown in FIG. 17B, the lip plate 14 may be formed of a flat plate having no step in the thickness direction. In this case, both longitudinal ends of the lip plate 14 are mounted on the second rail 13A.

  Although the present embodiment has been described in detail as described above, it can be easily understood by those skilled in the art that many modifications can be made without substantially departing from the novel matters and effects of the present invention. Therefore, all such modifications are included in the scope of the present invention. For example, a term described at least once together with a different term having a broader meaning or the same meaning in the specification or the drawings can be replaced with the different term in any place in the specification or the drawing.

  10 machine base, 11 lower base, 12 upper base, 13 transfer plate, 13A second rail, 14 lip plate, 14A protrusion, 20 first fixed fulcrum shaft, 21 second fixed fulcrum shaft, 22 fixed fulcrum shaft, 23 first Fixed fulcrum shaft, 24 second fixed fulcrum shaft, 25 fixed fulcrum shaft, 100 injection molding part, 101 movable tie bar, 102 mold clamping machine, 111 hot runner type, 112 injection cavity type, 113 injection core type, 114 dummy lip plate, 110 injection type unit, 200 temperature control part, 300 blow molding part, 400 unloading part, 500 first injection type loading / unloading device, 510 supporting member, 511 base end part, 512 free end part, 513 first movable fulcrum shaft, 520 moving mechanism, 521,522 link, 521A, 522A first support hole, 521B second support hole, 530 first angle Fixed tool, 531 1st angle fixing plate, 532, 533 fulcrum shaft, 534, 535 1st pin, 534A, 535A 1st insertion hole, 534B, 535B 2nd insertion hole, 540 support reinforcement member, 550 2nd angle fixing tool , 551 Second angle fixing plate, 552 Second pin, 552A Third insertion hole, 552B Fourth insertion hole, 600 Second injection type loading / unloading device, 610 Support member, 610A, 610B rail, 611 Movable fulcrum shaft, 620 Moving mechanism, 630 First angle fixing tool, 640 Second angle fixing tool, 700 First blow-type loading / unloading device, 710 Support member, 711 Base end part, 712 Free end part, 713 First movable fulcrum shaft, 720 Movement Mechanism, 721, 722 link, 730 first angle fixing tool, 740 support reinforcing member, 750 second angle fixing tool, 760 third angle fixing Tool, 800 Second blow type loading / unloading device, 810 Support member, 810A, 810B rail, 811 Movable fulcrum shaft, 820 Moving mechanism, 830 First angle fixing tool, 840 Second angle fixing tool, 900 Lip plate loading / unloading Device, 901 Support shaft, 910 First rail, P1, P3, P5, P7, P9 protruding position, P2, P4, P6, P8, P10 accommodation position

Claims (12)

Lower base,
An upper base facing the lower base,
A transfer plate supported by the upper base,
Two first rails supported by the upper base,
A pair of lip plates carried along the two first rails;
Two second rails fixed to the transfer plate on an extension of the two first rails;
A lip plate fixing bracket that is inserted into a hole formed in the transfer plate and fixes the pair of lip plates supported by the two second rails;
A blow molding machine characterized by having.   In claim 1,
  Each of the two first rails has a protruding position along an extension line of the two second rails fixed to the transfer plate about a fulcrum shaft provided on the upper base, and a housing position. A blow molding machine characterized by being swingable between positions.   In claim 2,
Each of the two first rails includes a slit, and at the protruding position, a bolt or a lock pin is inserted into the slit to fix the two first rails to the upper base. Blow molding machine.   In any one of Claim 1 thru | or 3,
  The blow molding machine, wherein the two second rails support lower surfaces of both ends in the longitudinal direction of the pair of lip plates.   In claim 4,
  Blow molding characterized by further comprising a positioning pin to be inserted from above in the hole formed in the transfer plate and the half slits formed at both ends in the longitudinal direction of each of the pair of lip plates. Machine. In any one of Claim 1 thru | or 5,
Mold parts,
A fixing part to which the mold part is fixed,
A plurality of bolts supported by the fixing portion,
A plurality of fixing brackets rotatable about the plurality of bolts as a central axis,
Further has
Loosening the plurality of bolts and rotating the plurality of fixing fittings around the plurality of bolts as a central axis, the plurality of fixing fittings are arranged at positions facing the fixing portion, and the fixing portion and the plurality of fixings A blow molding machine, wherein the plurality of bolts are fastened to the plurality of fixing fittings to fix the mold parts in a state where the mold parts are sandwiched between the mold parts.   In claim 6,
  The blow molding machine, wherein the mold part is an injection core mold and the fixing part is an injection core mold fixing part.   In claim 6,
  The blow molding machine, wherein the mold part is a hot runner type, and the fixing part is the lower base.   In claim 6,
  The blow molding machine, wherein the mold part is an injection cavity type and the fixing part is a hot runner type.   In claim 6,
  The blow molding machine, wherein the mold component is a blow core type, and the fixing portion is a blow core type fixing portion.   In claim 6,
  The blow molding machine, wherein the mold part is a temperature control pot, and the fixing portion is a temperature control pot fixing base.   In claim 6,
  The blow molding machine, wherein the mold component is a temperature control core, and the fixing portion is a temperature control core fixing portion.

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