JP2011020703A - Vacuum packaging machine for heat insulating material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automate a manufacturing process of a vacuum heat insulating material and to reduce an installation space of an apparatus. <P>SOLUTION: In a core filling portion 2, the heat insulating material is supplied into a bag member held in a metallic holding vessel, and is transferred into vacuum chambers 60 of a vacuum sealing portion 3 together with the holding vessel by a pusher 12 while the bag member stands in the holding vessel. The vacuum sealing portion 3 includes a stage 31 on which six vacuum chambers 60 are mounted circumferentially spaced apart at the same angle, and which turns circumferentially every same angle. The insides of the vacuum chambers 60 mounted on the stage 31 are sucked and decompressed by a sucking and decompressing vacuum pump 32, and the opening of the sucked and decompressed bag member is tightly sealed. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a heat insulating material vacuum packaging machine for vacuum packaging a heat insulating material accommodated in a bag member.

  In recent years, interest in environmental issues has increased, and the range of use of vacuum heat insulating materials is not limited to home appliances, but covers a wide range of buildings and automobiles. The vacuum heat insulating material is a plate-shaped or box-shaped member in which the core material is covered with a gas barrier outer covering material and the inside thereof is decompressed. For the spread of vacuum insulation, further cost reduction by mass production is desired.

  As a conventional heat insulating material vacuum packaging machine, a main body and a lid of a gas barrier container (cover material) filled with a core material (core material) are loaded into a vacuum chamber, and the vacuum chamber is sucked and decompressed by a vacuum pump. In some cases, a vacuum heat insulating material is manufactured by heating and pressure-bonding and sealing and sealing a peripheral edge of a gas barrier container (see, for example, Patent Document 1).

  In addition, in the vacuum chamber, a stock area for the core material, a stock area for the jacket material covering the core material, and a seal area for sealing the jacket material are provided, and vacuum insulation materials are continuously produced in the vacuum chamber. An apparatus that performs this is also proposed (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 9-303684 JP 2002-310554 A

However, all of the above-mentioned heat insulating material vacuum packaging machines form a plate-shaped or box-shaped vacuum heat insulating material by placing the gas barrier container in a vacuum chamber, that is, horizontally, so that the vacuum heat insulating material There is a problem that the vacuum chamber has to be sufficiently large compared to the size of the above, and a large space is required for installing the apparatus. The apparatus disclosed in Patent Document 1 is a method of manufacturing gas barrier containers one by one in one vacuum chamber, and is not an automated process from filling of the core material to vacuum sealing of the jacket material. Therefore, there is a problem that it is not suitable for mass production of vacuum heat insulating materials. In addition, the apparatus disclosed in Patent Document 2 is considered to be aimed at mass production because it provides means for continuously producing a vacuum heat insulating material. Not only stopping but also filling the core material. Therefore, in the apparatus disclosed in Patent Document 2, since the core material and the jacket material stock area must be provided in the decompression tank, the apparatus is increased in size and realized as a specific apparatus. There is a problem that it is difficult.

  The present invention has been made in view of the above-described conventional problems, and a first object thereof is to provide a heat insulating material vacuum packaging machine that automates the manufacturing process of the vacuum heat insulating material. A second object is to reduce the installation space of the apparatus.

  In order to achieve this object, the present invention includes a core material filling unit that fills a core material into a bag-shaped gas barrier container that is held in a holding container arranged at a predetermined position and whose opening is directed vertically upward. A vacuum sealing part for vacuum-sealing the gas barrier container filled with the core material, and a transfer part for transferring the holding container holding the gas barrier container from the core material filling part to the vacuum sealing part. The holding container has a bottom portion and a pair of plate-like wall members connected to the bottom portion and spaced apart from each other by a predetermined distance, and the vacuum sealing portion has an opening vertically upward in the holding container. A vacuum chamber for storing the gas barrier container held toward the whole together with the holding container, a pump for sucking and depressurizing the vacuum chamber, and a seal provided in the vacuum chamber for sealing the opening of the gas barrier container Means and Wherein the core material filling unit is used to fill the core to the gas barrier vessel outside of the vacuum chamber.

  The present invention is the above invention, wherein the vacuum sealing portion is provided adjacent to the core filling portion and is supported rotatably in a substantially horizontal plane, and a plurality of the vacuum chambers are provided in the circumferential direction. Each of the vacuum chambers includes a first partition wall member and a second partition wall member each having an opening on one side surface, and abutting surfaces at the peripheral edges of the opening are in contact with each other, The first partition member is fixed to the stage with its opening directed radially outward of the stage, and the second partition member is movably supported in a plane parallel to the butting surface of the first partition member. The transfer unit moves the second partition member with respect to the vacuum chamber closest to the core material filling unit and exposes the opening of the first partition member in a state where the opening of the first partition member is exposed. It is intended to load the holding vessel.

  According to the present invention, in any one of the above inventions, the sealing means is provided on each of the first partition member and the second partition member via an actuator, and is paired with each other in the vacuum chamber. It has an electrodeposition electrode.

According to the present invention, in any one of the above inventions, the vacuum sealing portion is provided in each of the first partition member and the second partition member, and is arranged to face each other in the vacuum chamber. One of the plate-like member and the second plate-like member, and the first plate-like member and the second plate-like member are moved toward the other, and the first plate-like member and the second plate-like member are moved. And an actuator for holding the holding container between the members.

  In the invention according to any one of the inventions, the invention includes a heating unit that is provided on the first and second plate-like members and heats the holding container.

  According to the present invention, since the bottom area occupied by the bag member can be reduced by accommodating the bag member in the vacuum chamber in a standing state, the installation space of the apparatus can be reduced. In addition, a plurality of vacuum chambers are arranged on the stage rotating at equal angles for each phase of equal angles in the circumferential direction, and each work is performed simultaneously and continuously in each phase. Productivity is improved by automating the vacuum packaging operation. Moreover, the thickness of the powder heat insulating material supplied in a bag member can be uniformly controlled by hold | maintaining a bag member in a metal holding container. Moreover, workability | operativity improves by moving the metal holding | maintenance container which accommodated the bag member, and performing an operation | work.

  According to one of the above inventions, the second partition member is supported by the first partition member so as to be movable in a plane parallel to the opening surface of each other, so that the opening of the first partition member is largely opened. Therefore, maintainability is improved and more vacuum chambers can be mounted in a limited space on the stage.

  According to one of the inventions described above, the movement of the holding container can be reliably restricted by the first and second plate-like members when the vacuum chamber is sucked and decompressed.

It is a top view of the heat insulating material vacuum packaging machine which concerns on this invention. It is the II arrow directional view in FIG. 1 of the core material filling part in the heat insulating material vacuum packaging machine which concerns on this invention. It is a front view of the vacuum sealing part in the heat insulating material vacuum packaging machine which concerns on this invention. In the heat insulating material vacuum packaging machine which concerns on this invention, it is a perspective view which shows the state which inserted the bag member in the holding container. The heat insulating material vacuum packaging machine which concerns on this invention WHEREIN: The external appearance of a vacuum chamber is shown, The figure (A) is a side view, The figure (B) is a front view. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. (A) is a front view of the first partition member of the vacuum chamber in the heat insulating material vacuum packaging machine according to the present invention, and (B) is a line VII (B) -VII (B) in FIG. (A). It is sectional drawing. FIG. 4A is a front view of the second partition member of the vacuum chamber in the heat insulating material vacuum packaging machine according to the present invention, and FIG. 4B is a line VIII (B) -VIII (B) in FIG. It is sectional drawing. In the heat insulating material vacuum packaging machine which concerns on this invention, it is a perspective view of the principal part for demonstrating an electrodeposition electrode. In the heat insulating material vacuum packaging machine which concerns on this invention, it is a block diagram which shows the structure of a control part. In the heat insulating material vacuum packaging machine which concerns on this invention, it is a timing chart for demonstrating the operation | movement in each phase of each vacuum chamber. It is a flowchart for demonstrating a vacuum sealing operation | movement in the heat insulating material vacuum packaging machine which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. The heat insulating material vacuum packaging machine according to the present invention, indicated as a whole by the reference numeral 1 in FIG. 1, is a core material for heat insulating material in a bag member 25 that is a gas barrier container while standing in a holding container 15. A core material filling unit 2 for supplying a predetermined amount of powder heat insulating material (not shown), a transfer unit 12 for transferring the bag member 25 filled with the powder heat insulating material together with the holding container 15 into the vacuum chamber 60, and a heat insulating material Is formed by the vacuum sealing portion 3 that vacuum-seals the bag member 25 supplied with the inside of the vacuum chamber 60.

  As shown in FIG. 2, the core material filling portion 2 is provided with a hopper 11 in which a powdery heat insulating material is stored, and the heat insulating material falls from the hopper 11 by its own weight, and at a predetermined position as will be described later. The bag member 25 held in the holding container 15 is configured to be filled in a certain amount. In FIG. 1, a pusher 12 that is provided so as to be movable in the direction of arrow AB and moves as a transfer unit moves the holding container 15 holding the bag member 25 in the direction of arrow A, and is provided on a stage 31 to be described later. It is transferred into the vacuum chamber 60.

  As shown in FIG. 4, the holding container 15 includes a metal front plate 16, a rear plate 17, both side plates 18 and 19, and a bottom plate 20, and has a flat box shape having an opening 21 in the upper portion. Inclined portions 16a and 17a are formed at the opening ends of the plate 16 and the rear plate 17 so as to be inclined toward each other upward. Among these, the front plate 16 and the rear plate 17 correspond to a pair of plate-like wall members described in claim 1. The width W1 of the opening 21 is formed slightly larger than the width W2 of the bag member 25, and the distance between the front plate 16 and the rear plate 17 is formed to a length t. An engagement member 22 that is formed in a U-shaped cross section and engages with a guide rail 70 of a vacuum chamber 60 described later is fixed to the upper part of each of the side plates 18 and 19.

  The bag member 25 is made of a highly airtight material such as a laminate film, provided with an opening 26 at one end, and the dimension in the height direction (arrow CD direction) in the drawing includes the inclined portions 16 a and 17 a of the holding container 15. It is longer than the dimension H in the height direction. Therefore, when the bag member 25 is accommodated in the holding container 15, the bag member 25 is held in a standing state, and the end portion having the opening 26 is exposed from the upper end of the opening end of the holding container 15.

  As shown in FIG. 1, the vacuum sealing part 3 is provided with six vacuum chambers 60A to 60F at an equal angle in the circumferential direction (60 ° in this embodiment), and at an equal angle in the circumferential direction (this embodiment Stage 31 that is rotated every 60 degrees), a vacuum pump 32 that sucks and depressurizes each of the vacuum chambers 60A to 60F provided on the stage 31, and each vacuum chamber 60A to 60F. And a sealing means 33 (see FIG. 6) that hermetically seals the opening 26 of the bag member 25 in a vacuum chamber that is suctioned and depressurized.

  As shown in FIG. 3, the stage 31 is supported rotatably about an air pipe 36 erected at the center of the base 35. That is, a rotating body 38 is rotatably supported at the central portion in the axial direction of the air tube 36 via a bearing 37, the central portion of the stage 31 is fixed to the rotating body 38, and the peripheral edge is attached to the base 35. It is supported by a roller 39a pivotally supported by a standing stud 39. A motor 40 with a brake is fixed to the base 35, and a chain (not shown) is formed between a sprocket 41 that is attached to the output shaft of the motor 40 and a sprocket 42 that is fixed to the outer peripheral portion of the rotating body 38. ) Is stretched. In such a configuration, by driving the motor 40, the stage 31 is intermittently rotated by 60 ° clockwise in FIG. 1 via the sprocket 41, the chain, the sprocket 42, and the rotating body 38.

  As shown in FIG. 3, a hollow portion 43 is provided at the center of the air pipe 36. The lower end of the hollow portion 43 is connected via a vacuum pump 32 and an air tube 34 (see FIG. 1). An air suction hole 44 is provided. A plurality of vent holes 45 are provided in the circumferential direction on the outer periphery of the upper portion of the air pipe 36. The vent hole 45 is covered with a cylindrical vacuum header 46 that is rotatably supported on the upper portion of the air pipe 36. On the outer peripheral portion of the vacuum header 46, six vent holes 47 that are always in communication with the vent holes 45 are provided in a staggered manner in the circumferential direction even while the vacuum header 46 is rotating.

  As shown in FIG. 1, one end of each of the six hoses 50 is connected to each of the vent holes 47, and the other end of each hose 50 is connected to six vacuum chambers 60 </ b> A provided on the stage 31. Or connected to a suction port 66a (see FIG. 6) of 60F. In the middle of each hose 50, an electromagnetic valve (not shown) that opens or shuts off the air flow is provided as will be described later. In such a configuration, while the six vacuum chambers 60 </ b> A to 60 </ b> F are integrally rotated together with the stage 31, the vacuum chamber connected to the hose 50 with the electromagnetic valve opened is sucked and decompressed by the vacuum pump 32. .

  52 is a slip ring, and 53 is a stand erected on the stage 31. On the gantry 53, a control panel 54 and a compressor 55 having a control unit 120 described later are mounted. An air hose (not shown) is connected between the compressor 55 and air mats 73, 76, 85 provided in six vacuum chambers 60A to 60F described later. An electromagnetic valve (not shown) is provided in the middle of each of these air hoses, and air is supplied from the compressor 55 to the air mats 73, 76, 85 by opening these electromagnetic valves.

  Next, the structure of the vacuum chamber will be described with reference to FIGS. The vacuum chamber 60 includes a first partition member 61 and a second partition member 62 as shown in FIG. The first partition member 61 has a box shape having an opening 65 on one side surface as shown in FIG. 7, and the second partition member 62 is formed around the periphery of the opening 65 as shown in FIG. A butting surface 65a to be butted against a butting surface 81a described later is formed.

  In addition, first and second air introduction holes 67 and 68 are provided in the central portion and the upper portion of the back surface portion 66 of the first partition wall member 61, respectively. Are attached so that the pair of guide rails 70, 70 which support the engaging members 22, 22 of the holding container 15 face each other. A suction port 66a is provided in the back surface portion 66 of the first partition member 61, and the other end of the hose 50 described above is connected to the suction port 66a. Further, as shown in FIG. 6, the first partition member 61 has a bottom 72 fixed to the stage 31 and a support 71 for pivotally supporting an end of an air cylinder 93 to be described later. . The opening 65 of the first partition member 61 with the bottom 72 fixed to the stage 31 is directed outward in the radial direction of the stage 31.

  As shown in FIG. 6, an air mat 73 acting as an actuator is fixed inside the back surface portion 66 of the first partition member 61, and a plate-like first holding member 74 is attached to the air mat 73. ing. When the air is supplied from the compressor 55 through the first air introduction hole 67 into the air mat 73, the first holding member 74 moves in the direction of arrow B in the figure.

  As shown in FIG. 6, the air mat 76 is fixed inside the back surface portion 66 of the first partition member 61 so as to correspond to the second air introduction hole 68. By supplying air from the compressor 55 through the second air introduction hole 68 into the air mat 76, the air mat 76 acts as an actuator. As shown in FIG. 9, a support block 77 is fixed on the opposite side of the air mat 76 from the first partition member 61, and an electrode block 78 made of an insulator is provided on the upper surface of the support block 77. It is fixed. An electrodeposition electrode 79 is provided in the direction of arrow EF on the end face of the electrode block 78 in the direction of arrow B. Therefore, by supplying air into the air mat 76, the support block 77 moves in the direction of arrow B, and the electrode block 78 also moves in the direction of arrow B integrally.

  As shown in FIG. 8, the second partition member 62 has a box shape having an opening 81 on one side surface facing the first partition member 61. As shown, an abutting surface 81a that abuts against the abutting surface 65a of the first partition member 61 described above is formed. A groove 81b into which a sealing material is fitted is provided in the entire circumference of the abutting surface 81a. The butted surface 81a of the second partition member 62 is butted against the butting surface 65a of the first partition member 61, whereby a sealed vacuum chamber is formed. In addition, a third air introduction hole 83 is provided in the upper portion of the front surface portion 82 of the second partition member 62. Further, a second holding member 84 having a U-shaped cross section is fixed inside the front surface portion 82 so as to face the first holding member 74 described above.

  As shown in FIG. 8B, an air mat 85 is fixed inside the front surface portion 82 of the second partition member 62 at a position corresponding to the third air introduction hole 83. In addition, an electrode block 86 made of an insulator is fixed to the air mat 85 on the side opposite to the second partition wall member 62 (the end surface in the arrow A direction). Further, the electrode block 86 has an end surface in the arrow A direction. The electrodeposition electrode 87 is provided in the direction of arrow EF as shown in FIG. The air mat 85 is an actuator that moves the electrode block 86 in a direction away from the second partition wall member 62 (arrow A direction) by supplying air from the compressor 55 through the third air introduction hole 83 therein. Works.

  As shown in FIG. 6, the electrodeposition electrode 87 of the electrode block 86 has an electrode block 78 electrode assembly in a state where the butting surface 81 a of the second partition wall member 62 is in contact with the butting surface 65 a of the first partition wall member 61. It faces the wearing electrode 79. When a sealing switch (not shown) is turned on in this state, air is supplied into the air mats 76 and 85, the electrode block 78 moves in the direction of arrow B, and the electrode block 86 moves in the direction of arrow A. And the opening 26 of the bag member 25 is sealed by being sandwiched and welded between the electrodeposition electrodes 79 and 87. These electrodepositing electrodes 79 and 87 constitute a sealing means 33.

  The second partition member 62 is movably supported in a substantially vertical plane by frames 91 fixed to both side portions of the first partition member 61 in a state of being opposed to each other with the vacuum chamber 60 interposed therebetween. As shown in FIG. 5A, the frames 91, 91 are provided with two pairs of guide grooves 92, 92 formed in a side-view shape, and the second partition member 62 is provided in the guide grooves 92. Two pairs of rollers 101 that are pivotally supported on both sides are engaged. The second partition member 62 has a cylinder end pivotally supported by the support portion 71 of the first partition member 61, an air cylinder 93, and a movable pulley 95 and both frames 91 that are rotatably supported at the tip of a rod 94 that can advance and retreat. , 91 are connected by a string 98 via a fixed pulley 96 rotatably supported by a support shaft 97 laid horizontally. Note that one end of the string 98 is hooked to the fixing portion 99 of the frame 91, the other end is hooked to the fixing portion 100 provided at the upper end portion of the second partition wall member 62, and the central portion is connected to the movable pulley 95. It is stretched around a fixed pulley 96.

  The two pairs of rollers 101 pivotally supported on both side portions of the second partition member 62 are engaged with the guide grooves 92, and the second partition member 62 is guided by the guide grooves 92. The first partition member 61 is supported by the first partition member 61 so as to be movable in the vertical direction (arrow C-D direction) via both frames 91 and 91. That is, the second partition member 62 is movably supported by the first partition member 61 in a plane parallel to the above-described butted surfaces 65a and 81a.

  In such a configuration, the rod 94 of the air cylinder 93 moves backward, and the movable pulley 95 descends to the position indicated by the two-dot chain line in FIG. Since it raises to C direction, the opening 65 of the 1st partition member 61 is open | released. On the other hand, when the rod 94 of the air cylinder 93 moves forward and the movable pulley 95 rises to the position indicated by the solid line in FIG. 4A, the second partition wall member 62 is lowered in the direction of arrow D by its own weight. The butting surfaces 65a and 81a of the partition member 61 and the second partition member 62 are in contact with each other, and the opening 65 of the first partition member 61 is closed.

  The vacuum chamber 60 configured in this manner is provided with six vacuum chambers 60A to 60F at an equal angle (60 °) in the circumferential direction on the stage 31 as shown in FIG. As described above, the stage 31 is configured to rotate 60 ° in the circumferential direction by driving the motor 40, and any one of the six vacuum chambers 60 </ b> A to 60 </ b> F provided on the stage 31. In FIG. 1, the vacuum chamber 60 </ b> A is positioned and stopped at a phase 110 </ b> A that faces the core material filling portion 2.

  Accordingly, the other five vacuum chambers 60B to 60F are positioned in phases 110B to 110F that are shifted in phase by 60 ° from the phase 110A in the circumferential direction. Thus, the other end of each hose 50 is connected to each suction port 66a (see FIG. 6) of the six vacuum chambers 60A to 60F provided on the stage 31.

  As shown in FIG. 10, the control unit 120 includes a heat insulating material filling control unit 121 that controls the filling of the heat insulating material by the hopper 11, a transfer control unit 122 that controls the operation of the pusher 12, and the rotation of the stage 3 by the motor 40. A stage control unit 123 that controls movement, a second partition member control unit 124 that controls movement of the second partition member 62 by driving an air cylinder 93 provided in each vacuum chamber 60A to 60F, and a vacuum pump 32. Air that connects the solenoid valve controller 125 that controls the opening and closing of the solenoid valve provided in the hose 50 that connects the vacuum chambers 60A to 60F, and the compressor 55 and the air mat 73 provided in each of the vacuum chambers 60A to 60F. The electromagnetic valve provided in the hose is opened and closed, and the movement of the first holding member 74 by the air mat 73 is controlled. The electrode blocks 78 and 86 are controlled by controlling the opening and closing of the holding member control unit 126 and the solenoid valve provided in the air hose connecting the compressor 55 and the air mats 76 and 85 provided in the vacuum chambers 60A to 60F. A seal controller 127 is provided for moving the electrode blocks 78 and 86 and energizing the electrodeposition electrodes 79 and 87 when these electrode blocks 78 and 86 come close to each other, and automatically controls the operation of the heat insulating material vacuum packaging machine. Each of these control units is realized by cooperation of a computer including an arithmetic device, a memory, an interface, and the like and a computer program installed in the computer.

  Next, the operation | movement which vacuum-packs the heat insulating material of the heat insulating material vacuum packaging machine concerning this Embodiment is demonstrated. First, among the six vacuum chambers 60A to 60F on the stage 31, the rod 94 of the air cylinder 93 of the vacuum chamber 60A located in the phase 110A facing the core material filling portion 2 is shown in FIG. The opening 65 of the 1st partition member 61 obstruct | occluded by the 2nd partition member 62 is open | released by retracting as shown by.

  In this state, as shown in FIG. 4, the bag member 25 is inserted into the holding container 15 from the opening 21 of the holding container 15 so that the opening 26 is directed upward, and the bag member 25 is held in a standing state. The container 15 is positioned directly below the hopper 11 as shown in FIG. Next, in step S1 of FIG. 12, the powdery heat insulating material stored in the hopper 11 is dropped by its own weight, and a certain amount of heat insulating material is filled into the bag member 25 from the opening 26 of the bag member 25 (FIG. 12). 11, filling by the core filling portion 2). At this time, since the bag member 25 is held upright by the metal holding container 15, a certain amount of heat insulating material can be easily and reliably filled into the bag member 25, and the heat insulating material is filled. The formed bag member 25 is regulated to a certain thickness by the holding container 15.

  After a certain amount of heat insulating material is filled in the bag member 25 and the supply of the heat insulating material into the bag member 25 is stopped, the pusher 12 is operated in step S2 to move the bag member 25 together with the holding container 15 in the direction of arrow A. Press. As a result, the holding container 15 is transferred into the first partition member 61 from the opening 65 of the vacuum chamber 60 positioned at the phase 110A (transfer by the transfer unit 12 in FIG. 11). At this time, as shown in FIG. 6, the holding container 15 transferred into the first partition wall member 61 is engaged with the guide rail 70 by the engagement member 22 engaging with the guide rail 70 of the first partition wall member 61. Supported. When the holding container 15 is supported by the guide rail 70, the rod 94 of the air cylinder 93 is advanced to move the second partition member 62 to a position facing the opening of the first partition member 61, and the second partition member 62 The opening 65 of the first partition member 61 is closed (accommodating the holding container in the phase 110A of the vacuum chamber 60A in FIG. 11).

  When the opening 65 of the first partition member 61 is closed, in step S3, the electromagnetic valve provided in the hose 50 connecting the vacuum chamber 60A and the vacuum pump 32 is controlled to reduce the pressure in the vacuum chamber 60A. The solenoid valve provided in the middle of the air hose connected to the air mat 73 and the compressor 55 in the vacuum chamber 60A is opened, and air is supplied from the compressor 55 to the air mat 73. As a result, in FIG. 6, since the first holding member 74 moves in the direction of arrow B, the holding container 15 is held between the first holding member 74 and the second holding member 84 and fixed in the vacuum chamber 60A. (In FIG. 11, holding the holding container in the phase 110B of the vacuum chamber 60A). Further, during this time, the motor 40 is driven to rotate the stage 31 clockwise by 60 ° to position the vacuum chamber 60A containing the holding container 15 in the phase 110B, and the adjacent vacuum chamber 60B to the phase 110A. Position.

  At the same time, for the vacuum chamber 60B positioned in the phase 110A, as described above for the vacuum chamber 60A, the opening 65 of the first partition wall member 61 is opened in advance, and the above-described vacuum chamber 60A is included in the vacuum chamber 60B. In the same manner as described above, the holding container 15 is accommodated together with the bag member 25 to which the heat insulating material is supplied from the core material filling unit 2 standing (accommodating the holding container in the phase 110A of the vacuum chamber 60B in FIG. 11). ).

  When the holding container 15 is held by the first and second holding members 74 and 84 in the vacuum chamber 60A and the holding container 15 is accommodated in the vacuum chamber 60B, the motor 40 is driven to move the stage 31 in step S4. Rotate further by 60 ° clockwise, position vacuum chamber 60A at phase 110C, position vacuum chamber 60B at phase 110B, and position vacuum chamber 60C at phase 110A.

  In step S5, the inside of the vacuum chamber 60A is sucked and depressurized through the hose 50 connected to the vacuum chamber 60A positioned in the phase 110C. By this suction and decompression operation, the butting surfaces 81a and 65a of the second partition member 62 and the first partition member 61 constituting the vacuum chamber 60A are brought into close contact with each other. Therefore, the vacuum chamber 60 is sucked and depressurized in a securely sealed state, and the bag member 25 held in the holding container 15 is also sucked and depressurized to be in a vacuum state (in FIG. 11, in the phase 110C of the vacuum chamber 60A). Reduced pressure in the holding container).

  At the same time, in the vacuum chamber 60B positioned in the phase 110B, air is supplied from the compressor 55 to the air mat 73, and the holding container 15 is held by the first and second holding members 74 and 84 (in FIG. 11). Holding of holding container in phase 110B of vacuum chamber 60B). Further, the holding container 15 is accommodated in the vacuum chamber 60C positioned in the phase 110A in a state where the bag member 25 to which the heat insulating material is supplied from the core material filling unit 2 is erected (FIG. 11). In FIG. 5, the holding container in the phase 110 </ b> A of the vacuum chamber 60 </ b> C).

  When the suction decompression operation in the vacuum chamber 60A in the phase 110C and the holding of the holding container 15 in the vacuum chamber 60B positioned in the phase 110B are finished, and the supply operation of the bag member 25 into the vacuum chamber 60C in the phase 110A is finished. In step S6, the motor 40 is driven to rotate the stage 31 further by 60 ° in the clockwise direction in FIG. Accordingly, vacuum chamber 60A is positioned at phase 110D, vacuum chamber 60B is positioned at phase 110C, vacuum chamber 60C is positioned at phase 110B, and vacuum chamber 60D is positioned at phase 110A.

  In the vacuum chamber 60A positioned at the phase 110D, by opening an electromagnetic valve (both not shown) provided in the middle of the air hose connecting the air mats 76 and 85 of the vacuum chamber 60A and the compressor 55 Then, air is supplied from the compressor 55 to the air mats 76 and 85, and the electrode block 78 is moved in the direction of arrow B in FIG. 6 and the electrode block 86 is moved in the direction of arrow A to Both end edges 26a, 26a (see FIG. 4) of the opening 26 of the bag member 25 are brought into contact with each other by the wearing electrodes 79, 87. In step S7, the sealing means 33 is turned on and the electrodeposition electrodes 79 and 87 are energized to weld both end edges 26a and 26a of the opening 26 of the bag member 25, thereby vacuum-sealing the bag member 25. (Vacuum sealing of the bag member in the phase 110D of the vacuum chamber 60A in FIG. 11).

  When the vacuum sealing is completed, an electromagnetic valve provided in the middle of the hose 50 connected to the vacuum chamber 60A is controlled, the suction pressure reducing operation in the vacuum chamber 60A is released, and the pressure of the vacuum chamber 60A is returned to the atmospheric pressure. . Next, a solenoid valve (not shown) provided in the middle of the air hose connecting the air mats 76 and 85 of the vacuum chamber 60A and the compressor 55 is closed, so that the air mats 76 and 85 from the compressor 55 are closed. Stop supplying air to the unit. Therefore, since the electrode block 78 moves in the direction of arrow A in FIG. 6 and the electrode block 86 moves in the direction of arrow B, the electrodeposition electrodes 79 and 87 of both the electrode blocks 78 and 86 are both opened in the bag member 25. 26 is separated from both end edges 26a, 26a (see FIG. 4).

  At the same time, the suction decompression operation in the vacuum chamber 60B positioned in the phase 110C is performed (in FIG. 11, the decompression in the holding container in the phase 110C of the vacuum chamber 60B), and in the vacuum chamber 60C positioned in the phase 110B, The holding container 15 is held by the first and second holding members 73 and 84 (holding of the holding container in the phase 110B of the vacuum chamber 60C in FIG. 11), and in the vacuum chamber 60D positioned in the phase 110A, the core The bag member 25 is accommodated together with the holding container 15 from the material filling portion 2 (accommodating the holding container in the phase 110A of the vacuum chamber 60D in FIG. 11).

  The vacuum sealing of the bag member 25 in the vacuum chamber 60A in the phase 110D, the suction pressure reducing operation in the vacuum chamber 60B in the phase 110C, and the holding of the holding container 15 in the vacuum chamber 60C positioned in the phase 110B are completed. When the supply operation of the bag member 25 into the vacuum chamber 60D at 110A is completed, the motor 40 is driven in step S8, and the stage 31 is further rotated by 60 ° in the clockwise direction in FIG. Thus, vacuum chamber 60A is positioned in phase 110E, vacuum chamber 60B is positioned in phase 110D, vacuum chamber 60C is positioned in phase 110C, vacuum chamber 60D is positioned in phase 110B, and vacuum chamber 60E is positioned in phase 110A. Vacuum chamber 60F is positioned at phase 110F.

  In step S9, an electromagnetic valve (both not shown) provided in the middle of the air hose connected to the air mat 73 and the compressor 55 of the vacuum chamber 60A positioned in the phase 110E is controlled, and the air is discharged from the compressor 55. Air supply to the mat 73 is stopped. Therefore, in FIG. 6, since the first holding member 74 moves in the direction of arrow A, the holding container 15 is released from the holding by the first holding member 74 and the second holding member 84 (in FIG. Release of holding container in phase 110E of chamber 60A).

  At the same time, in the vacuum chamber 60B positioned in the phase 110D, the bag member 25 is vacuum sealed (in FIG. 11, the vacuum sealing of the bag member in the phase 110D of the vacuum chamber 60B), and in the phase 110C, the vacuum chamber 60C is sealed. The inside is sucked and decompressed (in FIG. 11, the pressure in the holding container in the phase 110C of the vacuum chamber 60C), and in the vacuum chamber 60D positioned in the phase 110B, the holding container 15 by the first and second holding members 74 and 84 is used. Is held (holding of the holding container in the phase 110B of the vacuum chamber 60D in FIG. 11), and in the phase 110A, the bag member 25 is supplied from the core material filling unit 2 into the vacuum chamber 60E (see FIG. 11). 11, the holding capacity in the phase 110A of the vacuum chamber 60E. Accommodation of).

  When these series of operations are completed, the motor 40 is driven in step S10, and the stage 31 is further rotated by 60 ° clockwise in FIG. Thus, vacuum chamber 60A is positioned at phase 110F, vacuum chamber 60B is positioned at phase 110E, vacuum chamber 60C is positioned at phase 110D, vacuum chamber 60D is positioned at phase 110C, and vacuum chamber 60E is positioned at phase 110B. And vacuum chamber 60F is positioned at phase 110A.

  In step S11, the vacuum chamber 60A positioned at the phase 110F is closed by the second partition wall member 62 by retracting the rod 94 of the air cylinder 93 as shown by a two-dot chain line in FIG. The opening 65 of the first partition member 61 is opened. Therefore, the vacuum sealed bag member 25 is taken out together with the holding container 15 from the opened opening 65 (taken out of the holding container in the phase 110F of the vacuum chamber 60A in FIG. 11).

  At the same time, in the vacuum chamber 60B positioned in the phase 110E, the vacuum is released in the vacuum chamber 60B and the holding operation of the holding container 15 by the first and second holding members 74 and 84 is performed (in FIG. 11). In the vacuum chamber 60C positioned in the phase 110D, the bag member 25 is vacuum-sealed (in FIG. 11, the vacuum of the bag member in the phase 110D of the vacuum chamber 60C). In the phase 110C, the vacuum chamber 60D is sucked and depressurized (in FIG. 11, the pressure in the holding container in the phase 110C of the vacuum chamber 60D), and in the vacuum chamber 60E positioned in the phase 110B, the first and first Of the holding container 15 by the two holding members 74 and 84 Holding is performed (holding of the holding container in the phase 110B of the vacuum chamber 60E in FIG. 11), and in the phase 110A, the bag member 25 is supplied from the core material filling unit 2 into the vacuum chamber 60F (FIG. 11). In FIG. 5, the holding container in the phase 110 </ b> A of the vacuum chamber 60 </ b> F).

  As described above, the second partition wall member 62 is supported by the first partition wall member 61 so as to be movable in a plane parallel to the abutting surfaces 65a and 81a, so that the opening 65 of the first partition wall member 61 is largely opened. Therefore, maintainability is improved and more vacuum chambers 60 can be mounted in a limited space on the stage 31. In addition, since the irregular bag member 25 is held in the metal holding container 15 and the bag member 25 is put in and out of the vacuum chamber 60 together with the holding container 15, workability is improved and work time is increased. Can also be shortened.

  In addition, a plurality of vacuum chambers 60 are arranged on the stage 31 that rotates at equal angles for each phase at equal angles in the circumferential direction, and each work is performed simultaneously and continuously in each phase. Productivity can be improved by automating the vacuum packaging operation of the material.

  In the present embodiment, the second partition member 62 is moved in the vertical direction. However, the second partition member 62 may be moved in the left-right direction. In short, the second partition member 62 is connected to the first partition member 61 and the first partition member. The two partition members 62 may be moved in a plane parallel to the abutting surfaces 65a and 81a. Further, the suction pressure reducing operation in the vacuum chamber 60 and the sealing operation of the bag member 26 are individually performed for each of the phases 110A to 110F, but a plurality of operations are simultaneously performed in the same phase. Alternatively, although the phase is divided into six, it may be five or less or seven or more, and various design changes are possible.

  DESCRIPTION OF SYMBOLS 1 ... Heat insulating material vacuum packaging machine, 2 ... Core material filling part, 3 ... Vacuum sealing part, 12 ... Pusher (transfer part), 15 ... Holding container, 25 ... Bag member, 31 ... Stage, 32 ... Vacuum pump, 33 DESCRIPTION OF SYMBOLS Sealing means 36 ... Air pipe 40 ... Motor 50 ... Hose 60 (60A to 60F) ... Vacuum chamber 61 ... First partition member 62 ... Second partition member 65a, 81a ... Butt face 73 76, 85 ... Air mat, 74 ... First holding member, 79, 87 ... Electrodeposition electrode, 84 ... Second holding member, 120 ... Control unit.

Claims (5)

A core material filling portion for filling the core material in a bag-shaped gas barrier container held in a holding container arranged at a predetermined position and whose opening is directed vertically upward;
A vacuum sealing portion for vacuum-sealing the gas barrier container filled with the core material;
A transfer unit for transferring the holding container for holding the gas barrier container from the core material filling unit to the vacuum sealing unit;
The holding container has a bottom portion and a pair of plate-like wall members connected to the bottom portion and spaced apart by a predetermined distance,
The vacuum sealing part is
A vacuum chamber for accommodating the gas barrier container, which is held in the holding container with the opening directed vertically upward, together with the holding container;
A pump for sucking and reducing the pressure in the vacuum chamber;
A sealing means provided in the vacuum chamber and sealing an opening of the gas barrier container;
The heat insulating material vacuum packaging machine, wherein the core material filling unit fills the gas barrier container with a core material outside the vacuum chamber. The vacuum sealing part is
It is provided adjacent to the core filling portion, and is supported rotatably in a substantially horizontal plane, further comprising a stage on which a plurality of the vacuum chambers are mounted in the circumferential direction,
Each of the vacuum chambers
Each has an opening on one side surface, and is composed of a first partition member and a second partition member in which the butted surfaces of the periphery of the opening are in contact with each other,
The first partition member is fixed to the stage with its opening directed radially outward of the stage,
The second partition member is movably supported in a plane parallel to the abutting surface of the first partition member,
The transfer unit is
The holding container is loaded into the opening of the first partition member in a state where the second partition member is moved and the opening of the first partition member is exposed to the vacuum chamber closest to the core filling portion The heat insulating material vacuum packaging machine according to claim 1. The sealing means includes
3. The heat insulating material vacuum packaging machine according to claim 2, further comprising: a pair of electrodeposition electrodes that are provided on the first partition member and the second partition member via actuators and face each other in the vacuum chamber. . The vacuum sealing part is
A first plate-like member and a second plate-like member which are respectively provided on the first partition member and the second partition member and are arranged to face each other in the vacuum chamber;
An actuator for moving one of the first plate-like member and the second plate-like member toward the other to sandwich the holding container between the first plate-like member and the second plate-like member; The heat insulating material vacuum packaging machine according to claim 2 or 3, characterized by comprising:   The heat insulating material vacuum packaging machine according to claim 4, further comprising a heating unit that is provided on the first and second plate-like members and heats the holding container.

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