JP6026864B2 - Mold carrier for thermoforming apparatus and trimming apparatus, and mold changing method - Google Patents

Description

  The present invention relates to a mold carrier for a thermoforming apparatus and a trimming apparatus, and a mold exchanging method.

  As a thermoforming apparatus, a hot plate forming apparatus using a heating plate and a mold is known. This apparatus separates the heating plate and the mold when carrying a continuous resin sheet into the molding position, and brings the heating plate and the mold close to the loaded resin sheet, and heats the resin sheet with the heating plate. Soften and perform differential pressure molding according to the shape of the mold surface. When exchanging the mold of the hot plate molding apparatus, for example, a mold changing carriage that can place the mold is disposed at a mold loading / unloading position adjacent to the hot plate molding apparatus to exchange the mold.

  Patent Document 1 discloses an operation of exchanging a mold of a resin molded product trimming apparatus, although it is not a hot plate molding apparatus. The mold exchanging operator moves the carriage on which the mold is placed to the side surface side of the resin molded product trimming apparatus, and pushes the mold toward the resin molded product trimming apparatus by hand. When unloading the mold, the operator moves the carriage on which the mold is not placed to the side of the resin molded product trimming apparatus, and pulls the mold out of the resin molded product trimming apparatus by hand.

Japanese Patent No. 3807710 (particularly paragraph 0039 and FIG. 7)

  When a mold is carried into the hot plate forming apparatus from the mold changing cart, the operator needs to go around the side of the mold changing cart and push the mold into the hot plate forming apparatus by hand. Further, when the mold is carried out from the hot plate forming apparatus, the operator also needs to go around the side of the mold changing cart and pull out the mold from the hot plate forming apparatus by hand. That is, these troubles are required when changing the mold.

  In view of the above, the present invention has an object to make it easy to exchange molds using a mold transport carriage.

In order to achieve the above object, the present invention is a mold transport carriage that can be placed on a mold used in a thermoforming apparatus and can be placed at a mold access position adjacent to the thermoforming apparatus,
A main body for mounting the mold so that it can be transferred from the facing part facing the thermoforming device to the thermoforming device;
A movable member that makes the main body movable,
A mode in which a concave portion recessed toward the facing side portion is formed over the entire top and bottom so that the body can be moved and operated to move the mold in a portion opposite to the facing side portion of the main body. Have.

Further, the present invention is a mold transport carriage capable of placing a mold used in a thermoforming apparatus and disposed at a mold entry / exit position adjacent to the thermoforming apparatus, and facing the thermoforming apparatus A mold exchanging method using a mold transport carriage including a main body for placing a mold so as to be transportable from a part toward the thermoforming apparatus, and a movable member that allows the main body to move,
A concave portion that is recessed toward the facing portion is formed in a portion on the opposite side of the facing portion of the main body, and the body is placed in the concave portion and exchanged by moving the mold.

That is, the mold can be moved and operated by putting the body in the concave portion of the main body opposite to the facing portion facing the thermoforming device, so that the die can be easily exchanged.
Here, the movement operation of the mold includes both an operation of moving the mold from the facing part to the thermoforming apparatus and an operation of moving the mold from the thermoforming apparatus to the facing part. Of course, the case where only one operation can be performed is also included in the present invention. The mold to be moved includes a combination of a plurality of molds, and may include a member that is removed when the mold is fixed to the thermoforming apparatus.

Furthermore, the present invention is a mold transport carriage capable of placing a mold used in a trimming apparatus and disposed at a mold access position adjacent to the trimming apparatus,
A main body for mounting the mold so as to be transportable from the facing side facing the trimming device to the trimming device;
A movable member that makes the main body movable,
A mode in which a concave portion recessed toward the facing side portion is formed over the entire top and bottom so that the body can be moved and operated to move the mold in a portion opposite to the facing side portion of the main body. Have.

Furthermore, the present invention is a mold transport carriage capable of placing a mold used in the trimming apparatus and disposed at a mold entrance / exit position adjacent to the trimming apparatus, from the facing side portion facing the trimming apparatus. A mold exchanging method using a mold conveying carriage provided with a main body for placing a mold so as to be transportable toward a trimming device, and a movable member allowing the main body to move,
A concave portion that is recessed toward the facing portion is formed in a portion on the opposite side of the facing portion of the main body, and the body is placed in the concave portion and exchanged by moving the mold.

That is, the mold can be moved and operated by putting the body in the concave portion on the opposite side to the facing part facing the trimming device of the main body, so that the mold can be easily exchanged.
Here, the mold moving operation includes both an operation of moving the mold from the facing part to the trimming apparatus and an operation of moving the mold from the trimming apparatus to the facing part. Of course, the case where only one operation can be performed is also included in the present invention. The moving operation target mold includes a combination of a plurality of molds, and may include a member that is removed when fixed to the trimming apparatus.
Moreover, in the aspect mentioned above , putting a body into a recessed part includes both putting a body completely into the recessed part and putting a part of the body into the recessed part.
Furthermore, the present invention is a mold transport carriage capable of placing a mold used in a thermoforming apparatus and disposed at a mold entry / exit position adjacent to the thermoforming apparatus,
A main body for mounting the mold so that it can be transferred from the facing part facing the thermoforming device to the thermoforming device;
A movable member that makes the main body movable,
In the part opposite to the facing part of the main body, a recess is formed that is recessed toward the facing part so that the body can be completely moved in a plan view to move the mold. It has an aspect.
Furthermore, the present invention is a mold transport carriage capable of placing a mold used in a trimming apparatus and disposed at a mold access position adjacent to the trimming apparatus,
A main body for mounting the mold so as to be transportable from the facing side facing the trimming device to the trimming device;
A movable member that makes the main body movable,
In the part opposite to the facing part of the main body, a recess is formed that is recessed toward the facing part so that the body can be completely moved in a plan view to move the mold. It has an aspect.

In addition, it is also possible to make the structure described in Claim 5 respond | correspond to the type | mold exchange method.

According to the inventions according to claims 1, 2, 3, 4, 6 , and 7 , it is possible to easily exchange the mold using the mold conveyance carriage.
In the invention which concerns on Claim 5 , the suitable type | mold conveyance trolley which can make a replacement | exchange of a type | mold easy can be provided.

The front view which illustrates the outline of molded article manufacturing system SY1. FIG. 3 is a plan view illustrating the main part of the thermoforming apparatus 1. The front view which illustrates forming part U2. The right view which illustrates the shaping | molding part U2 when the type | mold 40 exists in the predetermined separation position L13. The disassembled perspective view which shows an example which assembles the type | mold 40 from the bottom face side. The top view which illustrates the principal part of the shaping | molding part U2 seen from the bottom of the type | mold 40. FIG. 4 is a timing chart illustrating the operation of the thermoforming apparatus 1. The top view which illustrates a mode that the shaping | molding part upstream side is opened and the model change cart 200 is brought close to opening part OP1. The left view which illustrates the model change cart 200 which mounted the type | mold 40. FIG. The top view which illustrates the model change cart 200. FIG. The front view which illustrates the model change cart 200. FIG. The top view which illustrates a mode that the type | mold 40 is pulled out on the model change cart 200. FIG. The top view which illustrates a mode that a new type | mold 40B is put into the shaping position L1. The top view which illustrates the type change cart 201 used for the trimming apparatus 2. FIG. The top view which illustrates the type change cart 900 concerning a comparative example.

  Embodiments of the present invention will be described below. Of course, the embodiments described below are merely illustrative of the present invention.

(1) Outline of molded product manufacturing system including thermoforming device and trimming device:
First, an outline of an example of a molded product manufacturing system including a thermoforming device and a resin molded product trimming device will be described with reference to FIGS. 1 to 3 and 8, the direction from left to right is the predetermined conveyance direction D1, the left side is the upstream side of the sheet SH1, and the right side is the downstream side of the sheet SH1. 2 and 7, the position of the conveyed sheet SH1 is indicated by a two-dot chain line. The figures may not be consistent for the sake of clarity.
In the molded product manufacturing system SY1 illustrated in FIG. 1, the control panel 100 controls each part represented by Z1 to Z8 to form the molded product PR1 from the sheet SH1. The main part of the structure of the molded product manufacturing system SY1 can be formed of metal, for example.

  A sheet feeding device 12 is provided in the sheet supply zone Z1. The sheet feeding device 12 feeds the roll SH0 around which the continuous sheet SH1 connected continuously is wound. As the sheet SH1, a moldable sheet such as a resin sheet such as a thermoplastic resin sheet, a thermoplastic sheet other than a resin exhibiting thermoplasticity, or paper can be used. The resin sheet may be a resin sheet made of only a resin such as a thermoplastic resin, a sheet made of a material in which an additive such as a filler is added to the resin, a single layer sheet, or a laminated sheet laminated with different materials. Good. As the material of the sheet SH1, polyethylene, polypropylene, or the like can be used. Further, the sheet SH1 may be in the form of a sheet or film, and may be wound into a roll or cut to a predetermined length. The thickness of the sheet can be various thicknesses such as about 1 to 2 mm and about 0.25 to 1 mm, and can be a thick sheet of about 3 mm or more, or a film of about 0.25 mm or less. . The molded product PR1 formed from the sheet SH1 includes a container such as a food container, a component such as an inner box or an operation panel of a home appliance, and the like.

  A sheet guide (sheet guide portion) U3 is provided in the sheet carry-in zone Z2. The sheet guide U3 guides the sheet SH1 in the transport direction D1 adjacent to the forming unit U2. In the forming zone Z3, the sheet SH1 carried in from the sheet guide U3 is heated by the hot plate 30 for each shot and formed by the mold 40.

  In the sheet carry-out zone Z4, a holding and conveying device 14 shown in FIG. 3 is provided. The holding and conveying device 14 holds the edge of the molded sheet SH2 unloaded from the forming zone Z3 by the holding member 14a for each shot and conveys it to the buffer zone Z5. As a result, the unformed sheet SH1 connected to the formed sheet SH2 moves from the sheet guide U3 to a predetermined forming position L1 for each shot. The holding of the sheet edge may be performed by clamping the sheet edge or by holding the sheet edge with a piercing member. The holding and conveying apparatus may be divided into a plurality with respect to the conveying direction D1. The sheets SH <b> 1 to SH <b> 3 connected in the conveyance direction D <b> 1 are intermittently conveyed according to the control of the control panel 100.

In the trimming zone Z6, the molded sheet SH2 is carried in from the buffer zone Z5 for each shot, and a predetermined number of molded products PR1 are separated from the molded sheet SH2 by bringing the die Z61 having a cutting edge such as a Thomson blade close to the receiving member Z62. To do. Each die Z61 may have a shape recessed downward or an uneven shape in addition to the shape convex upward. Further, the cutting blade may be arranged on the upper side and the receiving member may be arranged on the lower side, or the mold may be arranged on the upper side. Of course, the trimming device 2 is not only a device that presses the cutting blade against the receiving member and cuts the molded sheet, but also a device that punches the molded sheet with the cutting blade around the mold, and the upper blade and the lower blade are brought into sliding contact with each other. And an apparatus for punching a molded sheet.
The receiving member Z62 is also included in the mold of the present invention.

  In the scrap collection zone Z7, the scrap sheet SH3 after separation of the molded product is collected. At this time, the molded sheet SH2 of the next shot is carried into the trimming zone Z6. The product take-out zone Z8 is provided with a suction box Z71 that can be advanced between the spaced apart mold Z61 and the receiving member Z62. The suction box Z71 takes out a predetermined number of molded products PR1 arranged in the mold Z61 for each shot.

  The thermoforming apparatus 1 shown in FIGS. 1 to 8 includes elements U1 to U7. The main part of the structure of the thermoforming apparatus 1 can be formed, for example with a metal.

  The sheet transport unit U1 transports the sheet SH1 in a predetermined transport direction D1 that passes through the forming position L1. For example, the sheet conveying unit U1 includes the sheet feeding device 12 shown in FIGS. 1 and 2 and the holding and conveying device 14 shown in FIG. 3, and intermittently forms the unformed sheet SH1 connected to the formed sheet SH2 in accordance with the forming timing. In the transport direction D1. The sheet conveyance direction D1 is set so that the sheet is stably conveyed in the horizontal direction. However, the sheet conveyance direction D1 may be shifted in the upward direction from the horizontal direction, shifted in the downward direction from the horizontal direction, or vertically upward. , It may be vertically downward.

The forming unit U2 has the hot plate 30 and the mold 40 facing each other with the sheet SH1 interposed therebetween at the forming position L1, and the sheet SH1 conveyed to the forming position L1 is heated by the hot plate 30 and formed by the mold 40. For example, the molding unit U2 includes a base 21, a differential pressure supply device 25, a hot plate 30, a lower table (hot plate table) 35, a molding die 40, an upper table (mold table) 45, and a mold table drive. The mechanism 50, the support | pillar 55, etc. are provided. The sheet SH1 is formed by thermoforming. The thermoforming is preferably differential pressure forming such as vacuum forming, pressure forming, or vacuum pressure forming, but also includes press forming.
The base 21 is, for example, a metal base that is in contact with the floor including the sheet carry-out zone Z4.

  As shown in FIG. 6, the differential pressure supply device 25 has a ventilation path 25a connected to the ventilation hole 30b of the hot plate 30. When the sheet SH1 is heated by the hot plate 30, a negative pressure such as a vacuum pressure is applied to the ventilation hole 30b. When the heated and softened sheet SH1 is brought into close contact with the molding surface 41a of the mold 40, compressed air is supplied to the vent hole 30b.

  The hot plate 30 is disposed on the lower surface (one surface) SH1b side of the sheet SH1 at the forming position L1. As shown in FIGS. 3 and 4 and the like, the hot plate 30 is arranged such that the upper surface 30a facing the mold 40 is in contact with the lower surface SH1b of the sheet SH1 at the forming position L1, and the sheet SH1 carried into the forming position L1 is moved. Heat to soften. The hot plate 30 is placed on a pedestal 31 placed on a lower table (hot plate table) 35. The pedestal 31 is provided with a heater (heating means) (not shown). When the heater is energized, heat is generated from the heater, and as a result of heating the pedestal 31, the hot plate 30 is heated.

The hot plate 30 is, for example, a metal plate formed in a rectangular plate shape as shown in FIG. The hot plate 30 is formed with a large number of ventilation holes (first ventilation holes) 30b penetrating in the vertical direction. Each vent hole 30b is connected to the vent path 25a, and is subjected to a vacuum pressure from the differential pressure supply device 25 (air is sucked), released from the supply of vacuum pressure (decompression), or supplied with compressed air. Or the supply of compressed air is cancelled.
The lower table 35 is, for example, a metal member in which through holes 36 and 36 that penetrate the columnar columns 55 and 55 in the vertical direction are formed.

  The mold 40 is disposed on the upper surface (other surface) SH1a side of the sheet SH1 at the molding position L1 and has a predetermined molding surface 41a facing the hot plate 30. A mold 40 shown in FIG. 5 includes a plurality of replacement molds 41 and a mold base member 42. Each replacement mold 41 is, for example, a metal female mold, and a molding surface 41a facing the hot plate 30 is formed, and a ventilation hole (second ventilation hole) 41b is formed on the molding surface. . The replacement mold may be a male mold, a mold having irregularities, or the like. The mold base member 42 is, for example, a metal member formed in a substantially plate shape, and is formed with a mold holding portion 42e that removably holds the plurality of replacement molds 41 on the lower surface 42a facing the hot plate. A large number of vent holes 42b are formed in the mold holding portion in accordance with the position of the vent hole 41b of the replacement mold. For example, when a screw hole is formed in the mold holding part 42e and the replacement mold 41, a screw is screwed into the screw hole, the replacement mold 41 is fixed to the mold holding part 42e, the screw is removed, and the mold holding part 42e is removed. The replacement mold 41 can be removed.

  For example, as shown in FIG. 4 and the like, the upper table 45 is a metal member in which through holes 46 and 46 through which the columnar columns 55 and 55 penetrate vertically are formed. The upper table 45 holds the mold 40 with a lower surface 45 a facing the hot plate 30. A pair of mold pull-out rail members 61, 61 whose longitudinal direction is directed to the mold pull-out direction D3 are attached to both side edges of the upper table 45 in the width direction D2. The rail member 61 wraps around and contacts the lower surface 42a of the mold base member 42 from the edge of the upper table 45 in the width direction D2, thereby allowing the mold 40 to move in the pull-out direction D3. The upper table 45 has a mold base member clamping mechanism 47 that clamps and pulls both side edges in the width direction D2 of the mold base member 42 in contact with the rail member 61 with a holding member, and the lower surface faces the heat plate by the mechanism. The mold base member 42 is held by 42a. The mold base member clamping mechanism 47 is connected to a holding member raising / lowering changeover switch (not shown). When this switch is switched to the lower side, the holding member is lowered and the mold base member 42 is placed on the rail member 61. When the clamps on both side edges in the width direction D2 of the mold base member are released and the switch is switched to the ascending side, both side edges in the width direction D2 of the mold base member placed on the rail member 61 are clamped. The mold base member 42 is raised and brought into contact with the lower surface 45a of the upper table and held.

The mold table drive mechanism 50 is attached to the upper part 45b of the upper table 45, and moves the upper table 45 holding the mold 40 close to and away from the hot plate 30 at the molding position L1. The support columns 55 and 55 are erected upward from the base 21 outside the width direction D2 that does not contact the conveyed sheet SH1. The plurality of columns 55 support the mold table drive mechanism 50 from below while positioning the hot plate 30, and guide the raising and lowering of the upper table 45. Since these columns 55 are outside the width direction D2, the mold 40 cannot be pulled out from the forming position L1 to the width direction D2 orthogonal to the sheet conveying direction D1.
The mold table drive mechanism 50 includes a fixing member 51 and a link mechanism 52. The fixing member 51 is, for example, a metal member that is fixed to the tips of the plurality of support columns 55. The link mechanism 52 includes an electric motor 52c, and moves the fixing member 51 and the upper table 45 close to and away from each other. Of course, the mold table drive mechanism may be a crank mechanism, a mechanism using a cylinder, or the like.

  The hot plate 30 and the mold 40 move relative to each other according to the control of the control panel 100. The control panel 100 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), a nonvolatile memory, a timer circuit, an input / output circuit, and the like, and transmits and receives signals through a signal cable. The operation of the molded product manufacturing system SY1 including the thermoforming device 1 is controlled. For example, the operation of the sheet feeding device 12 is controlled via a signal cable 87 that passes through the sheet guide U3.

  FIG. 7 is a timing chart showing the operation of the thermoforming apparatus 1 according to the control of the control panel 100. In the initial state, the sheet holding of the holding member 14a of the holding and conveying device 14 is turned off, and the holding (for example, clamping) of the formed sheet SH2 is released, and the holding and conveying device 14 is set to a predetermined holding position L11 on the upstream side. The mold 40 is moved to a predetermined separation position L13, and the supply of negative pressure (for example, vacuum pressure) or compressed air from the differential pressure supply device 25 to the vent hole 30b is released. In this state, first, the sheet holding of the holding member 14a is turned on, and both side edges of the sheet SH2 are clamped by the holding and conveying device 14 (timing t1). Next, the holding and conveying device 14 is moved from the holding position L11 to a predetermined release position L12 on the downstream side (timing t2 to t3). Then, the formed sheet SH2 is conveyed in the predetermined amount conveyance direction D1, and the sheet SH1 before being formed is also pulled by the formed sheet SH2, conveyed in the predetermined amount conveyance direction D1, and carried into the forming position L1. Further, the sheet holding of the holding member 14a is turned off and the holding of the sheet SH2 is released (timing t4). Note that the holding and conveying device 14 is returned from the release position L12 to the holding position L11 at a predetermined timing before returning to the timing t2.

Thereafter, a negative pressure is applied from the differential pressure supply device 25 to the vent hole 30b to bring the sheet SH1 at the forming position L1 into close contact with the hot plate 30 (timing t5). Then, the sheet SH1 at the forming position is heated by the hot plate 30 and softened. Next, the upper table 45 is lowered by the mold table driving mechanism 50, and the mold 40 is moved to the predetermined proximity position L14 (timing t6 to t7). Then, compressed air is supplied from the differential pressure supply device 25 to the vent hole 30b, and the heat-softened sheet SH1 is brought into close contact with the molding surface 41a of the mold while discharging air from the mold vent hole 41b (timing t8). Then, the sheet in close contact with the molding surface 41a having a temperature lower than the temperature of the hot plate 30 is cooled and solidified.
When a negative pressure is applied to the vent hole 41b of the mold, vacuum / pressure forming can be performed on the sheet. At this time, if compressed air is not supplied to the vent hole 30b, vacuum forming can be performed on the sheet.

When the supply of pressurized air from the differential pressure supply device 25 to the vent hole 30b is released at timing t9, the upper table 45 is raised by the mold table drive mechanism 50, and the mold 40 is moved to the predetermined separation position L13 (timing t10 to t11). ).
Thus, one cycle is completed, and thereafter, differential pressure molding using a hot plate can be continuously performed from the sheet by repeating the timings t1 to t11. The molded sheet SH2 is carried into the trimming zone Z6 through the buffer zone Z5, and the molded product PR1 is separated. The separated molded product PR1 is taken out to the product take-out zone Z8, and the scrap sheet SH3 is collected in the scrap collection zone Z7.

  The sheet guide U3 guides the sheet SH1 in the transport direction D1 adjacent to the forming unit U2. For example, the sheet guide U3 is provided at a position (L3) on the entrance side for supplying the sheet SH1 to the forming position L1 with respect to the forming unit U2. The sheet guide U3 is located at the sheet supply position L3 instead of the sheet delivery position L4 where the holding and conveying device 14 needs to be provided, so that the sheet guide U3 can be easily retracted from the guide position L2 of the sheet SH1 and the mold 40 is formed. It can be pulled out from L1 toward the guide position L2.

  In the sheet guide U3 shown in FIGS. 2 and 3 and the like, each part of 71 to 73 is mainly formed of metal, and guides the sheet SH1 in the conveyance direction D1 adjacent to the upstream side of the forming part U2. The base 71 is connected to the forming portion U2 by a connecting portion 81 described later, is arranged away from the floor, and places the sheet SH1 when it is at the sheet guide position L2. The guide plates 72, 72 are provided on the base 71 at positions that are on both outer sides in the width direction D2 of the sheet SH1 when the base 71 is at the guide position L2. The width adjusting mechanism 73 can adjust the distance between the guide plates 72, 72, that is, the length in the width direction D2, by operating the handle (operation unit) 73a.

  The guide retraction mechanism U4 allows the sheet guide U3 to be retracted from the guide position L2 of the sheet SH1. For example, the guide part retracting mechanism U4 allows the sheet guide U3 to be retracted from the upstream position of the forming part U2. In the guide retraction mechanism U4 shown in FIGS. 2, 3 and the like, the connecting portion 81 and the lock mechanism 83 are mainly formed of metal, and the seat guide U3 is centered on the rotation axis AX1 that is one of the outer sides in the width direction of the sheet SH1. Is allowed to rotate. Since the direction of the rotation axis AX1 is the vertical direction, the sheet guide U3 moves in the horizontal direction. Since the guide retraction mechanism U4 only needs to be able to retract the sheet guide U3 from the sheet guide position L2, the direction of the rotation axis AX1 is deviated within 15 ° from the vertical direction, deviated within 30 °, A direction shifted within 45 °, a horizontal direction, a direction shifted within 15 ° from the horizontal direction, a direction shifted within 30 °, a direction shifted within 45 °, and the like may be used. The position of the rotation axis AX1 may also be a position on the upper side of the sheet SH1.

  The connecting portion 81 is configured such that a forming portion side connecting member 81a fixed to the forming portion U2 and a sheet guide side connecting member 81b fixed to the sheet guide U3 are rotatable about the rotation axis AX1. That is, the connecting portion 81 is provided on one outer side D2a in the width direction D2, and connects the sheet guide U3 to the forming portion U2 so as to be rotatable. Accordingly, the operator easily retracts the sheet guide U3 from the sheet guide position L2 by rotating the sheet guide U3 in the retract direction D5 as illustrated in FIG. 2, and the forming unit as illustrated in FIG. The opening OP1 on the upstream side of U2 can be opened. Further, by rotating the sheet guide U3 in the returning direction D6 as shown in FIG. 8, the sheet guide U3 can be easily returned from the retracted position L5 to the sheet guiding position L2, and the opening OP1 can be closed.

  The lock mechanism 83 has elements (83a to 83d) on the molding unit U2 side and elements (83e, 83f) on the sheet guide U3 side on the other side D2b on the outer side in the width direction D2, and is in the sheet guide position L2. It is possible to select whether to permit or not to rotate the guide U3. That is, the lock mechanism 83 is provided on the other side D2b on the outer side in the width direction D2 opposite to the connecting portion 81, and allows the rotation operation of the sheet guide U3 or disables it at the sheet guide position L2. Can do.

  Elements on the molding part side include a molding part side mounting base 83a fixed to the molding part U2, a support shaft part 83b protruding from the molding part side mounting base part 83a to the other side D2b on the outer side in the width direction, and the support shaft part 83b. On the other hand, it has an operation part 83c provided so as to be able to rotate, and a hook 83d provided so as to be able to rotate with respect to this operation part 83c. The seat guide side element includes a seat guide side mounting base 83e that protrudes from the seat guide base 71 toward the other side D2b on the outer side in the width direction, and is fixed to the sheet guide base 71. A receiving portion 83f is fixed to the surface to be operated. FIG. 2 also shows a front view of the elements (83e, 83f) on the sheet guide side.

  As shown in FIGS. 2 and 9 and the like, the signal cable 87 passed from the forming unit U2 to the sheet guide U3 for transmitting a signal for controlling the operation of the sheet feeding device 12 (sheet conveying unit U1) is connected to the connecting unit 81 side. That is, it is arranged on the outer side D2a in the width direction D2. If the connector 87 a is attached to the tip of the signal cable 87, the connector 87 a can be attached to and detached from the sheet feeding device 12. For example, if the signal cable 87 is removed from the sheet feeding device 12 when the sheet guide U3 is retracted from the guide position L2, the retracting operation of the sheet guide U3 can be made smooth. By disposing the signal cable 87 on the one side D2a outside the width direction D2, that is, on the rotation axis AX1, it is possible to prevent the sheet guide U3 from retracting as much as possible.

  The mold drawing mechanism U5 allows the mold 40 to be drawn from the molding position L1 toward the guide position L2. For example, the die pulling mechanism U5 includes long die pulling rail members 61 and 61 having bearings 62, and allows the die 40 to be drawn from the forming position L1 to the upstream sheet guide position L2. 4 and 9 and the like, the die pull-out rail member 61 is a metal member that turns and contacts the lower surface 42a of the die base member 42 from the edge in the width direction D2 of the upper table 45 with the longitudinal direction in the sheet conveying direction D1. It is said that. A plurality of bearings 62 are arranged in the drawing direction D <b> 3 at the portion around which the mold drawing rail member 61 is wrapped. The bearing 62 is preferably a roller bearing, but is not limited to a roller bearing. The mold base member 42 is placed on the plurality of bearings 62 and is movable in the drawing direction D3 from the drawing side edge 42f side. The drawing direction D3 shown in FIGS. 2, 9 and the like is parallel to the sheet conveying direction D1, but the mold drawing direction is deviated within 15 ° from the sheet conveying direction and within 30 ° from the sheet conveying direction. Or a direction deviated within 45 ° from the sheet conveying direction. Both the vertical direction and the horizontal direction can be considered as the direction of deviation.

  The lock detection sensor U6 is a detection unit for determining whether or not the sheet guide U3 is at the sheet guide position L2. As the lock detection sensor, a contact type position detection sensor such as a limit switch, a non-contact type position detection sensor such as an optical sensor including an infrared sensor or a magnetic sensor, and the like can be used. When it is determined that the sheet guide U3 is not at the sheet guide position L2, the control panel 100 stops the operation of at least one of the sheet conveying unit U1 and the forming unit U2. The control panel 100 that performs the following control processing constitutes operation stop means U7.

When the control process is started by turning on the power of the control panel 100 or the like, the control panel 100 reads the detection state of the lock detection sensor U6. Next, the control panel 100 determines whether or not the sheet guide U3 is at the guide position L2 based on the detection state. If it is determined that the sheet guide U3 is at the guide position L2, the control panel 100 operates the sheet conveying unit U1 and the forming unit U2 to perform thermoforming of the sheet SH1. If it is determined that the sheet guide U3 is not at the guide position L2, the control panel 100 stops the operation of at least one of the sheet conveying unit U1 and the forming unit U2. Although both the sheet conveying unit U1 and the forming unit U2 are preferable for stopping the operation, only the sheet conveying unit U1 may be stopped and the operation of the forming unit U2 may be continued, or only the forming unit U2 may be stopped and the sheet conveying unit U1. The operation may be continued.
With the above control process, when the sheet guide U3 is not in the sheet guide position L2, the thermoforming process is stopped.

(2) Outline of mold transport cart and mold exchange method:
8 to 11 includes basic elements 210 and 260. The mold conveyance carriage for the thermoforming apparatus can place the mold 40 used in the thermoforming apparatus 1 and can be arranged at the mold entrance / exit position L6 adjacent to the thermoforming apparatus 1. The main body 210 mounts the mold 40 so that it can be transferred from the facing portion 211 facing the thermoforming apparatus 1 toward the thermoforming apparatus 1. 8, 10, and 11, the transfer direction D <b> 10 of the mold 40 placed on the main body 210 is illustrated by arrows. A caster (movable member) 260 makes the main body 210 movable. A concave portion 230 that is recessed toward the facing portion 211 is formed in the concave portion 212 on the opposite side of the facing portion 211 of the main body 210 so that the body 800 can be inserted and the mold 40 can be moved. ing.

  That is, the body 40 can be put into the recess 230 of the recess side portion 212 opposite to the facing portion 211 facing the thermoforming device 1 of the main body 210 and the mold 40 can be moved and exchanged. Can be easily replaced. For the movement operation of the mold 40, the transfer direction D10, that is, the operation of moving the mold from the facing portion 211 toward the thermoforming device 1, the drawing direction D3, that is, from the thermoforming device 1 toward the facing portion 211. Any of the operations that move the mold are included.

(3) Specific examples of the type transport cart:
8 to 11 includes a frame-shaped main body 210 provided with a rail member 240 and a handle 250, and a caster 260. The rail member 240 and the handle 250 are not essential elements. The main part of the structure of the remodeling carriage 200 can be formed of metal, for example.

For example, the frame portion of the main body 210 includes a bottom horizontal frame 221, a ceiling horizontal frame 222, a bottom front and rear frame 223, a ceiling front and rear frame 224, outer vertical frames 225 and 226, and inner vertical frames 227 and 228.
The bottom horizontal frame 221 includes a front bottom horizontal frame 221a, a middle bottom horizontal frame 221b, and left and right rear bottom horizontal frames 221c and 221d in order from the facing portion 211. The space between the mid-bottom horizontal frame 221b and the rear bottom horizontal frames 221c and 221d is, for example, an interval (for example, 200 to 1000 mm) that is larger than the front-rear width of a standard-type adult male.
The ceiling horizontal frame 222 includes a front ceiling horizontal frame 222a, a middle ceiling horizontal frame 222b, and left and right rear ceiling horizontal frames 222c and 222d in this order from the facing portion 211. A plate 229 extending in the transfer direction D10 is fixed to the front ceiling horizontal frame 222a. The front ceiling horizontal frame 222a and the front bottom horizontal frame 221a serve as a facing portion 211. The rear ceiling horizontal frames 222c and 222d and the rear bottom horizontal frames 221c and 221d serve as the concave portion side portion 212. The space between the middle ceiling horizontal frame 222b and the rear ceiling horizontal frames 222c and 222d is, for example, an interval (for example, 200 to 1000 mm) that is larger than the front-rear width of a standard-type adult male.

The bottom front and rear frame 223 includes left and right outer bottom front and rear frames 223a and 223b, and left and right inner bottom front and rear frames 223c and 223d. The left outer bottom front and rear frame 223a is connected from the front bottom horizontal frame 221a to the rear bottom horizontal frame 221c. Casters 260, 260 are attached to both ends of the outer bottom front and rear frame 223a on the lower side. The right outer bottom front and rear frame 223b is connected from the front bottom horizontal frame 221a to the rear bottom horizontal frame 221d. Casters 260, 260 are attached to both ends of the outer bottom front and rear frame 223b on the lower side. The left inner bottom front and rear frame 223c is connected from the middle bottom horizontal frame 221b to the rear bottom horizontal frame 221c. The right inner bottom front and rear frame 223d is connected from the middle bottom horizontal frame 221b to the rear bottom horizontal frame 221d. The space between the inner bottom front and rear frames 223c and 223d is, for example, an interval (for example, 450 to 1000 mm) that is larger than the body width of a standard-type adult male.
The ceiling front and rear frame 224 includes left and right outer ceiling front and rear frames 224a and 224b, and left and right inner ceiling front and rear frames 224c and 224d. The left outer ceiling front and rear frame 224a is connected from the front ceiling horizontal frame 222a to the rear ceiling horizontal frame 222c. A rail support frame 220 extending upward is fixed to the outer ceiling front and rear frame 224a. The right outer ceiling front and rear frame 224b is connected from the front ceiling horizontal frame 222a to the rear ceiling horizontal frame 222d. A rail support frame 220 extending upward is fixed to the outer ceiling front and rear frame 224b. The left inner ceiling front and rear frame 224c on the left side is connected from the middle ceiling horizontal frame 222b to the rear ceiling horizontal frame 222c. The right inner ceiling front and rear frame 224d on the right side is connected from the middle ceiling horizontal frame 222b to the rear ceiling horizontal frame 222d. The space between the inner ceiling front and rear frames 224c and 224d is, for example, an interval (for example, 450 to 1000 mm) that is larger than the body width of a standard-type adult male.

The left outer vertical frame 225 includes a front outer vertical frame 225a, a middle outer vertical frame 225b, and a rear outer vertical frame 225c. These outer vertical frames 225a to 225c are connected from the outer bottom front / rear frame 223a to the outer ceiling front / rear frame 224a. The outer vertical frame 225, the outer bottom front / rear frame 223 a, and the outer ceiling front / rear frame 224 a become one side portion 213 that is lateral to the transfer direction D 10 from the facing portion 211.
The right outer vertical frame 226 includes a front outer vertical frame 226a, a middle outer vertical frame 226b, and a rear outer vertical frame 226c. These outer vertical frames 226a to 226c are connected from the outer bottom front / rear frame 223b to the outer ceiling front / rear frame 224b. The outer vertical frame 226, the outer bottom front / rear frame 223 b, and the outer ceiling front / rear frame 224 b become the other side portion 214 that is lateral to the transfer direction D 10 from the facing portion 211.

The left inner vertical frame 227 includes a middle inner vertical frame 227a and a rear inner vertical frame 227b. The middle inner vertical frame 227a is connected from the middle bottom horizontal frame 221b to the middle ceiling horizontal frame 222b. The rear inner vertical frame 227b is connected from the rear bottom horizontal frame 221c to the rear ceiling horizontal frame 222c.
The right inner vertical frame 228 includes a middle inner vertical frame 228a and a rear inner vertical frame 228b. The middle inner vertical frame 228a is connected from the middle bottom horizontal frame 221b to the middle ceiling horizontal frame 222b. The rear inner vertical frame 228b is connected from the rear bottom horizontal frame 221d to the rear ceiling horizontal frame 222d.

As described above, the recess 230 is recessed between the inner bottom front and rear frames 223c and 223d on the bottom side toward the facing side portion 211 up to the middle bottom horizontal frame 221b, and between the inner ceiling front and rear frames 224c and 224d on the ceiling side. It is recessed toward the facing portion 211 up to the middle ceiling horizontal frame 222b. The width (length in the width direction D2) of the concave portion 230 having a substantially rectangular horizontal cross section is, for example, an interval (for example, 450 to 1000 mm) that is larger than the body width of a standard-type adult male. The depth of the recess 230 (the length in the transfer direction D10) is, for example, an interval (for example, 450 to 1000 mm) that is larger than the body width of a standard-type adult male. By putting the body 800 in the recess 230, the operator can move and operate the mold 40 at a position close to the thermoforming apparatus 1.
Moreover, the recessed part 230 shown in FIG. 10 etc. is recessed in the transfer direction D10 to the area | region AR1 in which the type | mold 40 is mounted with respect to the main body 210. FIG. Thereby, the operator can move and operate the mold 40 at a position closer to the thermoforming apparatus 1.

Long rail members 240 and 240 are attached to the left and right rail support frames 220 and 220 described above. Each rail member 240 has a plurality of bearings 242 that are arranged along the transfer direction D <b> 10 and on which the mold 40 is placed, and restricts the moving direction of the mold 40 to the transfer direction D <b> 10 from the facing portion 211. The rail members 240 and 240 shown in FIGS. 8 to 11 are metal members that are parallel to the longitudinal direction and are in contact with the lower surface 42 a of the mold base member 42. The bearing 242 is preferably a roller bearing, but is not limited to a roller bearing. The mold base member 42 is placed on the plurality of bearings 242 and is movable in the longitudinal direction of the rail member 240.
Since the rail member 240 is provided, the mold 40 can be easily moved in the transfer direction D10 and the drawing direction D3. Therefore, this type change cart 200 is a suitable type conveyance cart which can make change of a model easy.

Further, a handle 250 is attached to the other outer side D2b side in the width direction D2 of the right outer ceiling front / rear frame 224b described above. That is, the main body 210 has the handle 250 in the side part 214 that is lateral to the transfer direction D10 from the facing side part 211. If there is a handle in the recess side portion 212, it is difficult to put the body 800 in the recess 230, but since the handle 250 is in the side portion 214, the body 800 can be easily put in the recess 230. Therefore, this type change cart 200 is a suitable type conveyance cart which can make change of a model easy.
It should be noted that if there is a handle on one side portion 213, it easily interferes with the seat guide U3, but since there is a handle 250 on the other side portion 214, it does not interfere with the seat guide U3 and can be easily changed. 200 can be disposed at the mold entry / exit position L6.

  The plurality of casters 260 attached to the lower sides of the outer bottom front and rear frames 223a and 223b described above are members that allow the main body 210 to move, and basically run on the floor.

(4) Mold changing method, and the function and effect of the die carrier cart and the die changing method:
Next, a method for exchanging the mold of the molding unit U2 will be described.
When the thermoforming using a certain mold is finished, as shown in FIG. 2, the sheet guide U3 is in a movement prohibited state. When exchanging the mold of the forming unit U2, the operator first pulls the operation unit 83c to the other side D2b in the width direction D2 (state ST1), and removes the hook 83d from the receiving unit 83f (state ST2). As a result, the lock mechanism 83 is released, and the sheet guide U3 becomes movable. When the operator rotates to open the sheet guide U3 in the retracting direction D5 shown in FIG. 2, the sheet guide U3 retracts from the sheet guide position L2, and the opening on the upstream side of the forming unit U2 as shown in FIG. OP1 is released. In order to arrange the remodeling carriage 200 in the opening OP1, it is preferable to rotate the seat guide U3 by 90 ° or more (within 180 °, more preferably within 135 °).

  Next, the operator moves the mold changing carriage 200 on which the mold is not placed and places it at the sheet guide position L2, that is, the mold loading / unloading position L6, and clamps the mold base member 42 by the mold base member clamping mechanism 47. To release. In order to match the height of the rail member 240 of the mold change cart and the mold drawing rail member 61 of the thermoforming apparatus 1, the height of the upper table 45 may be adjusted by the mold table drive mechanism 50. Of course, the height changing mechanism of the rail member 240 may be provided in the remodeling carriage 200, and the height of the rail member 240 may be adjusted by this height adjusting mechanism. The operator puts the body 800 into the recess 230 of the mold change carriage, and as shown in FIGS. 10 and 12, hands 810 move the mold 40 before replacement in the drawing direction D3, that is, from the molding position L1 to the mold loading / unloading position L6. You can move with. The drawing direction D3 of the mold shown in FIG. 12 is opposite to the sheet conveying direction D1.

FIG. 10 shows a range in which the hand 810 can reach in the transfer direction D10 in a state where the body 800 placed in the recess 230 is upright. When the body 800 is bent forward, the hand 810 can reach the molding position L1 which is the back in the transfer direction D10. Therefore, when unloading the mold 40 from the thermoforming apparatus 1, the operator can pull out the mold 40 from the thermoforming apparatus 1 with the hand 810 without having to go around the side of the mold changing carriage 200.
On the other hand, FIG. 15 shows a range in which the hand 810 reaches in the transfer direction D10 from the handle side portion 912 opposite to the facing side portion 911 facing the thermoforming apparatus in the comparative type changing cart 900 having no recess. Is shown. A handle 950 is attached to the front side of the handle side portion 912, that is, in the drawing direction side. In this case, even if the body is bent, the hand 810 cannot reach the molding position. Therefore, the operator needs to go around the side of the remodeling carriage 900 and pull out the mold from the thermoforming apparatus with the hand 810.

  When the mold 40 before replacement is completely placed on the mold changing cart 200, the operator moves the mold changing cart 200 from the mold loading / unloading position L6 to, for example, a predetermined mold storage place, and puts the mold 40 before replacement into the mold changing cart 200. Remove from.

  Next, for example, the operator places a new die 40 on the die change cart 200 from a predetermined die storage location, and moves the die change cart 200 and places it at the die entry / exit position L6 as shown in FIG. In order to match the height of the rail member 240 of the mold change cart and the mold drawing rail member 61 of the thermoforming apparatus 1, the height of the upper table 45 may be adjusted by the mold table drive mechanism 50. Of course, the height changing mechanism of the rail member 240 may be provided in the remodeling carriage 200, and the height of the rail member 240 may be adjusted by this height adjusting mechanism. The operator puts the body 800 into the recess 230 of the mold change carriage and pushes the new mold 40B in the transfer direction D10, that is, from the mold entry / exit position L6 toward the molding position L1, as shown in FIGS. The accommodation direction D4 of the mold 40B shown in FIG. 13 coincides with the transport direction D10 and the sheet conveyance direction D1.

  Even when the mold 40 is carried into the thermoforming apparatus 1 from the mold changing cart 200, as shown in FIG. 10, the operator does not go around the mold changing cart 200 by putting the body 800 into the recess 230. Alternatively, the mold 40 can be pushed into the thermoforming apparatus 1 with the hand 810. On the other hand, in the case of the comparative example shown in FIG. 15, since the operator cannot reach the hand 810 to the molding position, the operator turns around to the side of the remodeling carriage 900 and pushes the mold into the thermoforming apparatus with the hand 810. There is a need.

  When the new die 40B is accommodated in the molding position L1, the operator clamps the die base member 42 by the die base member clamping mechanism 47, and retracts the die changing carriage 200 from the sheet guide position L2.

  Next, the operator rotates the sheet guide U3 in the returning direction D6 shown in FIGS. 8 and 13 so as to close the sheet guide U3, and arranges the sheet guide U3 at the mold entrance / exit position L6, that is, the sheet guide position L2. In this state, the hook 83d is put into the receiving portion 83f (state ST1 in FIG. 2), and the operation portion 83c is pushed toward one side D2a in the width direction D2. As a result, the lock mechanism 83 is activated, and the sheet guide U3 at the guide position L2 is fixed in a movement prohibited state.

As described above, the present type transport cart moves the mold 40 by putting the body 800 in the concave portion 230 of the concave portion side portion 212 opposite to the facing portion 211 facing the thermoforming device 1 of the main body 210. Therefore, the mold can be easily exchanged.
In addition, when the body 800 can be completely inserted into the recess 230, the operator can move the mold 40 at a position closer to the thermoforming apparatus 1. In this case, replacement of the mold is further facilitated.
Furthermore, even if the recess 230 is recessed in the transfer direction D10 into the area AR1 where the mold 40 is placed, the operator can move and operate the mold 40 at a position closer to the thermoforming apparatus 1. Also in this case, the mold can be exchanged more easily.

(5) Modification:
Various modifications can be considered for the present technology.
For example, the position of the hot plate and the mold may be such that the hot plate is on the upper surface side of the sheet and the mold is on the lower surface side of the sheet. When the sheet is conveyed in the vertical direction, the hot plate and the mold may be arranged at the same height.
The hot plate and the mold may be in contact with the sheet or may be spaced apart from the sheet. In either case, it is included in the “hot plate and mold facing each other across the sheet”. For example, the hot plate may be arranged to face one surface of the sheet without contacting with the one surface of the sheet. When heating the sheet, in addition to contact heating, the sheet may be heated by radiation heating, contact heating and radiation heating combined use, or the like. The mold may be placed in contact with the other surface of the sheet without contacting with the other surface of the sheet.
When the hot plate and the mold are brought close to and away from each other, both the hot plate and the mold may be moved, or only the hot plate may be moved, or the sheet may be moved toward the mold or the hot plate. Also good.
Automatic mold feeding means for automatically pulling out the mold from the molding position or trimming position or accommodating it in the molding position or trimming position may be provided in the thermoforming apparatus or trimming apparatus.

The sheet guide part may be provided at a position where the sheet is supplied to the forming position with respect to the forming part, or may be provided at a position where the sheet is sent out from the forming position with respect to the forming part. Both cases are included in the “sheet guide unit for guiding the sheet in the conveyance direction”. For example, the sheet guide U3 that can be retracted from the sheet guide position L2 may also be provided at a position where the sheet SH1 is sent from the forming position L1 to the forming unit U2 (sheet sending position L4). Further, the sheet guide U3 that can be retracted from the sheet guide position L2 may be provided only in the sheet delivery position L4.
From the above, the mold entry / exit position L6 adjacent to the thermoforming apparatus 1 is selected from among the sheet supply position L3, the sheet delivery position L4, the position of one D2a in the width direction D2, and the position of the other D2b in the width direction D2. One or more positions may be selected. Needless to say, the thermoforming apparatus 1 may be provided with a die drawing mechanism U5 that matches the die entry / exit position L6.

The shape of the recess 230 may be a substantially elliptical horizontal cross section such as a semicircular horizontal cross section in addition to a rectangular horizontal cross section. Further, the shape of the recess 230 may be different from the shape on the bottom side and the shape on the ceiling side.
Further, even in the concave portion 230 in which only a part of the body 800 is inserted, the mold can be easily exchanged by putting the part of the body 800 into the concave portion 230 and moving the mold 40.
Furthermore, even if the recess 230 is not recessed in the transfer direction D10 into the area AR1 where the mold 40 is placed, the mold 40 is moved and operated by inserting at least a part of the body 800 into the recess 230. Can be easily replaced.

The thermoforming apparatus to which the present invention can be applied may be a thermoforming apparatus that does not use a hot plate in addition to a differential pressure forming apparatus that uses a hot plate. Accordingly, the replacement target mold includes an upper mold, a lower mold, a combination of an upper mold and a lower mold, and the like. In addition, a member to be removed when it is carried into the thermoforming apparatus, such as a member mounted between the upper die and the lower die, is also included in the replacement target die.
Further, as shown in FIG. 14, the remodeling carriage 201 used in the trimming apparatus 2 can be said to be the same as the remodeling carriage 200 for the thermoforming apparatus. The die change carriage 201 can place the die Z61 used in the trimming device 2 and can be placed at the die entrance / exit position L6 adjacent to the trimming device 2. The main body 210 mounts the die Z61 so that it can be transferred from the facing portion 211 facing the trimming device 2 toward the trimming device 2. In FIG. 14, the transfer direction D10 of the mold Z61 placed on the main body 210 is illustrated by an arrow. The caster (movable member) makes the main body 210 movable. A concave portion 230 that is recessed toward the facing portion 211 is formed in the concave portion 212 on the opposite side of the facing portion 211 of the main body 210 so that the body 800 can be inserted and the mold 40 can be moved. ing.

  FIG. 14 shows that the trimming device 2 for the resin molded product has the same mold drawing mechanism U5 as the thermoforming device 1. The die pulling mechanism U5 allows the die Z61 to be drawn from the trimming position L7 toward the forming sheet supply position L8. Of course, the mold entry / exit position L6 adjacent to the trimming device 2 is selected from the molded sheet supply position L8, the molded sheet delivery position L9, the position of one D2a in the width direction D2, and the position of the other D2b in the width direction D2. The above positions may be used.

The mold changing carriage 201 can be exchanged by putting the body 800 in the concave portion 230 of the concave portion side portion 212 opposite to the facing portion 211 facing the trimming device 2 of the main body 210 and moving the die Z61. Therefore, it becomes easy to replace the mold Z61. For the movement operation of the die Z61, the transfer direction D10, that is, the operation of moving the die from the facing portion 211 toward the trimming device 2, the drawing direction D3, that is, the die from the trimming device 2 toward the facing portion 211 is performed. Any of the operations to move is included.
The exchange target mold includes an upper mold, a lower mold, a combination of an upper mold and a lower mold, and the like. Therefore, the die to be exchanged may be a receiving member Z62, a combination of the die Z61 and the receiving member Z62, or the like. In addition, a member to be removed when the trimming apparatus is carried, such as a member mounted between the upper die and the lower die, is also included in the die to be exchanged.

In addition, there is no rail member 240 or handle 250, and the effect of facilitating the replacement of the mold can be obtained with only the basic portions 210 and 260 of the mold transport carriage.
Needless to say, the above-described basic actions and effects can be obtained even with a technique that does not have the constituent requirements according to the dependent claims but includes only the constituent requirements according to the independent claims.

As described above, according to the present invention, it is possible to provide a technique or the like capable of easily exchanging molds according to various aspects.
In addition, the configurations disclosed in the embodiments and modifications described above are mutually replaced, the combinations are changed, the known technology, and the configurations disclosed in the embodiments and modifications described above are mutually connected. It is possible to implement a configuration in which replacement or combination is changed. The present invention includes these configurations and the like.

1 ... thermoforming device, 2 ... trimming device,
30 ... Hot plate, 40, 40B, Z61 ... Mold,
200, 201 ... Remodeling cart (mold transportation cart),
210 ... main body, 211 ... facing side part, 212 ... concave part side part (opposite part),
213, 214 ... side part,
230 ... recess,
240 ... rail member, 242 ... bearing,
250 ... handle,
260 ... Caster (movable member),
800 ... body, 810 ... hand,
AR1 ... A region where the mold is placed,
D2 ... width direction, D2a ... one side outside in the width direction, D2b ... other side outside in the width direction,
D3 ... Pull-out direction, D4 ... Storage direction, D10 ... Transfer direction,
L1 ... Forming position, L3 ... Sheet supply position, L4 ... Sheet delivery position, L6 ... Mold entry / exit position,
PR1 ... molded product, SH1 ... sheet, SH2 ... molded sheet, SH3 ... scrap sheet,
SY1 ... Molded product manufacturing system,
U1 ... sheet conveying means, U2 ... forming part, U3 ... sheet guide (sheet guide part),
U4 ... Guide unit retracting mechanism, U5 ... Drawer mechanism, U6 ... Lock detection sensor (detection unit).

Claims (7)

A mold conveying carriage that can be placed on a mold used in a thermoforming apparatus and can be placed at a mold entry / exit position adjacent to the thermoforming apparatus,
A main body for mounting the mold so that it can be transferred from the facing part facing the thermoforming device to the thermoforming device;
A movable member that makes the main body movable,
A mold conveyance in which a concave portion recessed toward the facing part is formed on the entire upper and lower sides so that the mold can be moved and operated in a part opposite to the facing part of the main body. Trolley. A mold transport cart capable of placing a mold used in a trimming apparatus and disposed at a mold access position adjacent to the trimming apparatus,
A main body for mounting the mold so as to be transportable from the facing side facing the trimming device to the trimming device;
A movable member that makes the main body movable,
A mold conveyance in which a concave portion recessed toward the facing part is formed on the entire upper and lower sides so that the mold can be moved and operated in a part opposite to the facing part of the main body. Trolley.   A mold conveying carriage that can be placed on a mold used in a thermoforming apparatus and can be placed at a mold entry / exit position adjacent to the thermoforming apparatus,
  A main body for mounting the mold so that it can be transferred from the facing part facing the thermoforming device to the thermoforming device;
  A movable member that makes the main body movable,
  In the part opposite to the facing part of the main body, a recess is formed that is recessed toward the facing part so that the body can be completely moved in a plan view to move the mold. Type transport cart.   A mold transport cart capable of placing a mold used in a trimming apparatus and disposed at a mold access position adjacent to the trimming apparatus,
  A main body for mounting the mold so as to be transportable from the facing side facing the trimming device to the trimming device;
  A movable member that makes the main body movable,
  In the part opposite to the facing part of the main body, a recess is formed that is recessed toward the facing part so that the body can be completely moved in a plan view to move the mold. Type transport cart. Said body, have a handle to the site to be laterally with respect to the transfer direction from the opposite side portion,
Furthermore, the main body has a rail member that regulates the moving direction of the mold in the transfer direction from the facing portion.
The mold transport carriage according to any one of claims 1 to 4, wherein the rail member includes a plurality of bearings that are arranged along the transfer direction to place a mold thereon . A mold conveying carriage capable of placing a mold used in a thermoforming apparatus and disposed at a mold entry / exit position adjacent to the thermoforming apparatus, from the facing part facing the thermoforming apparatus, the thermoforming apparatus A mold exchanging method using a mold transport carriage provided with a main body for placing a mold so as to be transportable toward the movable body, and a movable member capable of moving the main body,
A mold exchanging method, wherein a concave portion recessed toward the facing portion is formed in a portion of the main body opposite to the facing portion, and a body is placed in the concave portion to move and replace the mold. A mold transport carriage capable of placing a mold used in the trimming apparatus and disposed at a mold entrance / exit position adjacent to the trimming apparatus, and is transferred from a facing portion facing the trimming apparatus toward the trimming apparatus A mold exchanging method using a mold transport carriage provided with a main body for placing a mold as possible and a movable member that allows the main body to move,
A mold exchanging method, wherein a concave portion recessed toward the facing portion is formed in a portion of the main body opposite to the facing portion, and a body is placed in the concave portion to move and replace the mold.

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