JP6163372B2 - Profile loading device - Google Patents

Description

  The present invention relates to a profile loading device for collecting a set amount of profiles cut to a predetermined length after extrusion and loading them onto a pallet to be conveyed to the next process.

  Aluminum building materials used for sash window frames and the like are loaded into a pallet in a certain amount in order to cut a long shaped extruded material into a predetermined length and send it to the next processing step. In the process of sequentially transferring the shapes cut to a certain length to the pallet, multiple shapes cut in the previous process are put together and loaded onto the pallet, and then stacked in multiple layers and transported to the next process. The

  The cut profile is the raw material before it is formed into the final product. Even when it is cut, it has a length of several meters, and is loaded onto the pallet while supporting the lower surface of the middle part of the profile. It is necessary to load carefully. As an apparatus for stacking such long materials at a predetermined position, there is a stacking apparatus disclosed in Patent Document 1, for example. This stacking device is a device for stacking long steel materials while aligning them in a predetermined direction, a pair of support levers for supporting both ends of the steel materials, a plurality of support bases for supporting intermediate portions of the steel materials, and the support bases And a traverse table for transferring the steel material by a rectangular motion while supporting an intermediate portion of the steel material.

Japanese Patent Laid-Open No. 7-10284

  In the case of the stacking apparatus of Patent Document 1, the support base that supports the middle part of the long steel material is a plurality of support bases that are grounded to the floor surface, and the position is set in accordance with the length and deflection of the long material. It could not be used only for long materials with a certain length. Therefore, it cannot be applied to a loading apparatus for a plurality of types of long materials having various types of dimensions and cross-sectional shapes and varying amounts of stiffness, such as an aluminum extruded profile. Further, the support lever for holding both ends of the long steel material is fixed at the position in the longitudinal direction of the long material, and cannot be applied to various types of long materials like the support base.

  The present invention has been made in view of the above-described background art, and can be loaded on a pallet satisfactorily without distorting or otherwise damaging shapes having various cross-sectional shapes and different rigidity and length. An object of the present invention is to provide a shape loading device that can be used.

  The present invention is a profile loading device for loading a plurality of profiles cut to a predetermined length onto a pallet, and a pair of end holding devices for holding both ends in the length direction of the loaded profile And at least one intermediate support member for holding an intermediate portion in the length direction of the shape member, and the pair of end portion holding devices are end portions of the shape member carried downward by a shape lift device or the like. A shape receiving portion for holding each of the portions, and a receiving portion driving device for driving the shape receiving portion between the shape holding state and the release state, and the intermediate support member is a lower surface of the shape member. The profile loading device is provided so as to be movable so that the support roller is positioned on the lower surface side of the profile from both ends of the profile.

The intermediate support member is retracted to the outside of the end holding device, and has a frame material provided with the end holding device and the intermediate support member in a suspended state. A drive mechanism for driving the support member is provided, and the intermediate support member is movably provided by the drive mechanism.

  The intermediate support member includes a plurality of intermediate support members, and the intermediate support members are respectively connected to a plurality of drive chains of the drive mechanism. The diameter sprocket is driven by a common motor.

  It is provided in a suspended state on the frame material, and includes a spacer supply device for placing a spacer on the shape material previously loaded on the pallet when the shape material is loaded.

  The spacer supply device includes a spacer storage portion storing a plurality of the spacers, a spacer extraction device that extracts the spacers one by one from the spacer storage portion, and holding the spacers extracted from the spacer storage portion. It is provided with a spacer placing device for placing on the shape member.

  According to the shape material loading device of the present invention, both ends of the shape material loaded on the pallet can be held and loaded on the pallet in a suspended state from above, and the positions of the end holding device and the intermediate support member can be set as appropriate. It can be safely loaded on pallets flexibly for shapes with different lengths, thicknesses, and rigidity. In addition, since a plurality of intermediate support members move from both sides to support the intermediate part of the shape member, the support position can be appropriately set according to the length of the shape member, and the shape member bends by its own weight and remains strained. There is nothing.

  The drive unit that drives the intermediate support member moves the intermediate support member at a relatively higher speed as the moving distance of the intermediate support member is longer, so that the shape can be supported efficiently, and a plurality of intermediate supports are supported by a common main motor. Since the member is driven, the mechanism can be driven easily and efficiently.

  In addition, since the shape material loading device of the present invention is provided with the spacer supply device, when the shape materials are stacked, the shape material loading device can be stacked in a plurality of stages on the pallet without increasing the number of man-hours. Become.

It is a schematic front view of one Embodiment of the shape material loading apparatus of this invention. It is a schematic plan view of the shape material loading apparatus of this embodiment. It is an expansion outline right view of the shape material loading apparatus of this embodiment. It is an enlarged front view of the edge part holding | maintenance apparatus of this embodiment. It is an enlarged plan view of the edge part holding | maintenance apparatus of this embodiment. It is an expansion right view of the edge part holding | maintenance apparatus of this embodiment. It is an enlarged front view of the spacer taking-out device of this embodiment.

  Hereinafter, an embodiment of a profile loading device of the present invention will be described with reference to the drawings. The shape material loading device 10 of this embodiment is a shape material such as a long aluminum alloy after extrusion forming, and a certain number of shape materials W cut to a predetermined length are collected and transferred onto the pallet 12. It is to be loaded and stacked. The length of the shape member W is about several meters, and a plurality of the shape members W are arranged at a constant length. Here, the length direction of the profile W is also referred to as the longitudinal direction. In the following description, the longitudinal direction of the profile W also refers to the direction extending in parallel to the longitudinal direction extending from the profile W.

  In this embodiment, a transport conveyor 14 for transporting a profile W cut to a predetermined length in the previous process is provided in front of the profile loading device 10 and is located below the drawing in FIG. . A cutting device (not shown), which is a previous process, is provided on the upstream side of the conveyor 14 and cuts the extruded long material into a certain length. A plurality of carry-in conveyors 16 for carrying the shape material W to the shape material loading device 10 side are provided on the front side of the shape material loading device 10 in front of the conveyance device 14 in the conveyance direction. The carry-in conveyor 16 conveys the shape member W in a direction perpendicular to the length direction of the shape member W on a horizontal plane, and extends from the extension of the conveyer 14 to which the shape member W is fed to before the shape material loading device 10. It is the belt conveyor provided over the length. In addition, the carry-in conveyor 16 may be divided into a plurality of conveyers up to the front of the shape material loading device 10 and the length and arrangement thereof are appropriately set.

  A plurality of profile lifting devices 18 each having a rectangular support base portion 18 a having a shorter length than the carry-in conveyor 16 are provided in parallel with the carry-in conveyor 16 on the front side of the profile loading device 10. . The profile lift device 18 is connected to the loading conveyor 16 side and the profile material loading device 10 in the longitudinal direction of the support base 18a (also referred to as the conveyance direction of the profile W) by a known link mechanism and drive device (not shown). And reciprocating between the two and the top and bottom. That is, the support base 18a is positioned below the upper surface of the carry-in conveyor 16 so as not to interfere when the profile W is being conveyed. The profile lift device 18 includes a plurality of profile members. W is lifted by supporting it on the support base 18a, and is provided below the profile loading device 10 so as to be horizontally movable to a height that can be held by the end holding device 20.

  In the profile loading device 10, a pair of end holding devices 20 that support and lift both ends of a plurality of profiles W carried downward by the profile lift device 18 are supported by the support frame 22 of the profile loading device 10. It is provided in a suspended state. The end holding devices 20 are provided to be movable in opposite directions so as to face each other along the longitudinal direction of the support frame 22. The support frame 22 is one of the beam members provided in the longitudinal direction of the profile loading device 10, and is positioned in parallel with the longitudinal direction of the profile W to be loaded. The support frame 22 is provided with a drive unit holding frame 24 that is fixed to the upper part of the shape loading device 10 and below the support frame 22. The drive unit holding frame 24 is provided with slidable intermediate support members 41, 42, and 43 that support the intermediate part of the profile W. A drive mechanism 30 for driving along the holding frame 24 is attached.

  The drive mechanism 30 includes two main motors 32 positioned on both ends of the drive unit holding frame 24 and two sets of three sprockets 33, 34, 35 having different diameters driven by the main motor 32. And six drive chains 38 spanned between 33, 34, and 35. The end portions of the intermediate support members 41, 42, 43 are connected and fixed to each drive chain 38. Each of the intermediate support members 41, 42, 43 is arranged in pairs so as to be provided on both ends of the drive unit holding frame 24, facing each other and movable in the approaching / separating direction to the drive unit holding frame 24. It is attached. The intermediate support members 41, 42, and 43 are driven in the opposite directions at the same speed by opposing pairs that are equidistant from the center of the drive unit holding frame 24. Are coupled to separate drive chains 38 and are driven at different drive speeds. Support rollers 44 that support the intermediate portion of the profile W at a predetermined position are pivotally supported at lower ends on both sides of each intermediate support member 41, 42, 43. The support roller 44 is formed of a metal rod or the like that is provided so as to be freely rotatable and has a strength capable of supporting a part of the weight of the shape member W.

  As shown in FIG. 4, the end holding device 20 is fixed between a pair of hanging arm portions 50 slidably attached to the support frame 22 and a lower end portion 50 a of each pair of hanging arm portions 50. Mounting member 52, receiving portion driving device 54 fixed to the lower surface of the mounting member 52, a support state driven by the receiving portion driving device 54 and supporting the shape W, and a non-transferring shape W And a shape receiving portion 56 provided so as to be swingable in a supported state. The receiving portion driving device 54 includes a driving air cylinder 58 and a link mechanism 59, and the air cylinder 58 is provided so as to be able to swing around a swinging shaft 58 a, and the profile receiving portion 56 is connected to the receiving portion driving device 54. It is provided so as to be swingable about the provided swing shaft 54a. On the base end side of the profile receiving portion 56, an end abutting plate 57, which is positioned by abutting the end of the profile W, is erected in the vertical direction. And the upper end part 50b of the suspension arm part 50 of the edge part holding | maintenance apparatus 20 is slidably attached to the support frame 22, and is equal to a longitudinal direction of the support frame 22 by the drive device which is not shown in the mutually opposite direction. Thus, it is provided to be movable between the retracted position and the support position.

  A plurality of spacer supply devices that supply spacers 62 that can be arranged at appropriate intermediate positions of the shape W to the drive unit holding frame 24 of the shape material loading device 10 in the middle of the length of the pallet 12 in the longitudinal direction. 60 is attached. As shown in FIG. 7, the spacer supply device 60 includes a holding portion 64 fixed to the driving portion holding frame 24 in a suspended state, and a spacer storage portion 66 provided on a side surface of the holding portion 64, and includes a spacer storage portion. A plurality of spacers 62 are stacked and accommodated at 66 in a slightly inclined manner with respect to the horizontal direction. The spacer 62 is a long and thin plate-like member having a length of about the short side of the pallet 12 and having a surface coated with a felting material for cushioning and shape protection, and a metal plate provided inside. A spacer take-out device 68 is provided at the lower end of the spacer accommodating portion 66. The spacer take-out device 68 includes an air cylinder 68a and a pushing member 68b, and pushes the spacers 62 in the spacer housing 66 one by one obliquely upward to the opposite side of the spacer take-out device 68.

  On the side of the holding portion 64 of the spacer supply device 60, a spacer mounting device 70 is provided in parallel with the holding portion 64 while being suspended from the drive portion holding frame 24. The spacer mounting device 70 includes an air cylinder 72 provided in the vertical direction, a rod 74 that is driven forward and backward by the air cylinder 72, and a chuck member 76 provided at the tip of the rod 74. A plurality of chuck members 76 are provided in the longitudinal direction of the spacer 62 and securely hold the spacer 62. The chuck member 76 holds the single spacer 6 pushed out from the spacer storage portion 66 by the spacer take-out device 68 with the holding portion 76a, and releases the holding at a predetermined position lowered to the vicinity of the profile W. 62 is placed on the shape member W.

  Next, operation | movement of the shape material loading apparatus 10 of this embodiment is demonstrated based on drawing. In the shape material loading apparatus 10 of this embodiment, the shape material W cut to a certain length is fed from the conveyor 14 and is automatically or manually aligned at a predetermined position on the plurality of conveyors 16. Placed. The carry-in conveyor 16 conveys the shape members W to the shape lift device 18 side in a state where a predetermined number of, for example, four shape members W are fed. At this time, the profile lifting device 18 is retracted downward. In a state where the profile W is fed above the carry-in conveyor 16, the profile lift device 18 rises from below, and further rises by placing the profile W on the support base 18a. Then, as shown in FIG. 3, the profile lift device 18 carries the profile W under the profile loading device 10 by a drive mechanism (not shown).

  The hanging arm portion 50 of the pair of end portion holding devices 20 that has been retracted on both sides of the drive portion holding frame 24 in a state where the shape W is positioned below the shape material loading device 10 is indicated by a solid line in FIG. As described above, the shape W is moved to a position where it is held. And the shape receiving part 56 provided in the lower end part 50a of each suspension arm part 50 of the edge part holding | maintenance apparatus 20 is linked with the drive air cylinder 58 from an inclined state to a horizontal state, as shown in FIG. The mechanism 59 swings. In this state, the end portion Wa of the shape member W is positioned on the shape member receiving portion 56, and the shape member W is supported by the shape member receiving portion 56. On the base end side of the profile receiving portion 56, an end abutment plate 57, which is positioned by abutting the end Wa of the profile W, is erected in the vertical direction. It abuts against the abutment plate 57 and is positioned so as not to fall.

  Thereafter, three intermediate support members 41 on both sides of the drive unit holding frame 24 and on both sides of the drive unit holding frame 24 evacuated to the outside (the end side of the drive unit holding frame 24). 42 and 43 move to an intermediate portion of the drive unit holding frame 24. The support rollers 44 of the intermediate support members 41, 42, and 43 are positioned slightly below the positions of both end portions Wa of the profile W and move in the horizontal direction. The movement of each intermediate support member 41, 42, 43 at this time is set by the main motor 32 and sprockets 33, 34, 35 of the drive mechanism 30.

  The drive mechanism 30 simultaneously rotates three sprockets 33, 34, and 35 having large, medium, and small diameters by the rotation of the main motor 32. The main motor 32 includes two main motors 32, one for each of the three sprockets 33, 34, and 35. These main motors 32 simultaneously have the same rotational speed and each pair of sprockets 33, 34, 35 is driven. As a result, three pairs of intermediate support members 41, 42, 43 are simultaneously moved in the longitudinal direction of the profile W of the drive unit holding frame 24 by the drive chain 38 spanned between the sprockets 33, 34, 35. Start moving from both sides to the center. Here, the intermediate support member 41 is attached to the chain 38 spanned between the large-diameter sprockets 33, and the intermediate support member 42 is attached to the chain 38 spanned between the medium-diameter sprockets 34. The support member 43 is attached to and driven by a chain 38 spanned between the small-diameter sprockets 35. Since the sprockets 33, 34, and 35 are driven at the same rotational speed, the moving speed and the moving distance of the chain 38 differ according to the ratio of the diameters of the sprockets 33, 34, and 35, and are driven by the large-diameter sprocket 33. The movement distance of the intermediate support member 41 is the longest, and the pair of intermediate support members 41 moves from the retracted position to the center part side most. Similarly, the intermediate support member 42 stops by moving a medium movement distance from both sides to the intermediate position, and the intermediate support member 43 moves the minimum movement distance from both sides to the intermediate position. Stops at the support position near both ends. Each stop position is set by the ratio of the rotation amount of the main motor 32 and the diameter of each sprocket 33, 34, 35.

  In this embodiment, the case where the length of the profile W is an intermediate length is shown. The length is, for example, 4 meters, and the intermediate support members 43 at both ends support the profile W. An example that does not. The intermediate support members 41, 42, and 43 are set to a height position such that the support roller 44 is in contact with the lower surface of the profile W, and support the lower surface of the profile W bent by its own weight when moving to the intermediate portion. However, the support roller 44 rotates and moves. Thereby, the shape W can be stably held without scratching the surface of the shape W. At this time, when the support roller 44 moves from both sides in the length direction of the profile W toward the center, the support base portions of the profile lift devices 18 that support the intermediate portion of the profile W 18a descends and retreats in order from the support base 18a where the position of the support roller 44 approaches.

  When the lower surface of the shape member W is held at a predetermined position, the pallet 12 positioned below the shape material loading device 10 is raised by the lifting device 80. The elevating device 80 is provided so that the height can be adjusted so that the shape W can be loaded at a predetermined loading position by the shape loading device 10 while holding the pallet 12. Therefore, in the state where there is no shape W on the pallet 12, the elevating device 80 lifts the pallet 12 to the highest position and is slightly below the holding surface of the shape receiving portion 56, and the intermediate support members 41, 42, It is raised to a position where it does not interfere with 43 support rollers 44. Thereafter, the intermediate support members 41, 42, and 43 start to move simultaneously from the center side of the profile W to the retracted positions on both sides. At this time, due to the retraction of the intermediate support member 41 on the center side, the profile W bends downward and comes into contact with the surface of the pallet 12, and further toward the both end portions by retreating the intermediate support members 42 and 43. The shape member W is placed on the pallet 12. In a state where the intermediate support members 41, 42, and 43 are separated from the shape member W, the shape member W is supported by the pallet 12. Then, the shape receiving portions 56 at both ends are swung to release the support of the both ends Wa of the shape W, whereby the transfer of the shape W onto the pallet 12 is completed.

  Thereafter, the spacer 62 is placed on the surface of the profile W on the pallet 12. The spacers 62 are placed on the shape member W one by one by each spacer supply device 60. In the spacer supply device 60, first, the air cylinder 68a of the spacer take-out device 68 is operated, and one spacer 62 is pushed out to the left in FIG. 7 by the pushing member 68b. In this state, the end edge portion of the spacer 62 is held by the clamping portion 76a of the chuck member 76 shown in FIG. Then, with the spacer 62 held, the air cylinder 72 is operated and the rod 74 is lowered. With the chuck member 76 at the tip of the rod 74 positioned in the vicinity of the surface of the profile W, the lowering of the chuck member 76 stops. Then, the holding of the clamping portion 76a of the chuck member 76 is released, and the spacer 62 is placed on the shape member W. Since the surface of the spacer 62 is covered with a soft member such as felt, the shape W is not damaged. After the spacer 62 is disposed on the shape member W and the chuck member 76 is retracted to the side, the air cylinder 72 is operated to return the chuck member 76 to the upper position.

  Thereafter, the pallet 12 is temporarily retracted to a lower position and stopped at a position where it does not interfere with the next loading operation of the shape member W. Then, similarly to the above, the shape W transferred from the carry-in conveyor 16 to the shape lifting device 18 is sent to the lower side of the shape loading device 10 and again, as described above, the shape receiving of the end holding device 20. Both ends of the shape W are supported by the portion 56, and the intermediate portions of the shape W are held by the intermediate support members 41, 42, and 43 in the same manner as described above. Thereafter, the pallet 12 is raised by the lifting device 80. At this time, since the shape W and the spacer 62 previously loaded on the pallet 12 are present, the pallet 12 rises to the raised position obtained by subtracting the height and stops. In the same manner as described above, the intermediate support members 41, 42, and 43 are retracted, the shape receiving portion 56 of the end holding device 20 is swung, and the next shape W is placed on the spacer 62. Thereafter, the spacer 62 is further mounted by the same operation as described above. The above operation is repeated to load the shape material W onto the pallet 12 with a predetermined number of steps.

  The pallet 12 on which the shape members W are loaded in a predetermined number of stages is carried out to the next process. As shown in FIG. 3, the pallet 12 is carried out by a carry-out conveyor 82 provided near the installation surface of the lifting device 80. When the support surface 80 a of the elevating device 80 is lowered to the retracted position below the carry-out conveyor 82, the lower surface of the pallet 12 is placed on the carry-out conveyor 82. The pallet 12 placed on the carry-out conveyor 82 is in a state where it can be conveyed by the carry-out conveyor 82, and the pallet 12 is carried out by driving the carry-out conveyor 82 by a driving device (not shown).

  According to the shape material loading device 10 of this embodiment, both ends of the plurality of shape materials W are held by the end holding device 20 suspended from above and can be loaded on the pallet 12. Can be provided below the extrusion shape member loading apparatus 10, and the processing space can be used efficiently. Furthermore, since the intermediate portion of the long shape member W is held by the intermediate support members 41, 42, 43 and loaded on the pallet 12, the shape member W is not deformed or distorted. Safe loading is possible. Further, the structure of the intermediate support members 41, 42, and 43 can also be moved to a predetermined position of the shape member W with a simple configuration, and the pallet 12 can be made to correspond to the long shape members W of various lengths and shapes. Can be loaded, and contributes to improving the productivity of the shape member W.

  The present invention is not limited to the above embodiment. For example, the configurations of the end holding device and the profile receiving portion can be set as appropriate, and may be any configuration that can support and release the end of the profile. Further, the drive mechanism for driving the intermediate support member may be a combination of a linear guide and a ball screw, or a linear motor, in addition to a drive chain and sprocket. The number and shape of the intermediate support members can also be appropriately set according to the shape and length of the shape to be handled. In addition, the structure of the support frame and the drive unit holding frame can also be set as appropriate, and may include a frame that serves as both. Further, the frame material that supports the end holding device may be further movably provided in a predetermined direction, and may be transported to a predetermined pallet position and loaded.

DESCRIPTION OF SYMBOLS 10 Profile material loading apparatus 12 Pallet 14 Conveyor 16 Carry-in conveyor 18 Profile lift apparatus 20 End part holding device 22 Support frame 24 Drive part holding frame 30 Drive mechanism 32 Main motor 33, 34, 35 Sprocket 38 Drive chain 41, 42, 43 Intermediate support member 44 Support roller 50 Suspension arm portion 52 Mounting member 54 Receiving portion drive device 56 Profile receiving portion 60 Spacer supply device 62 Spacer 64 Holding portion 70 Spacer mounting device 72 Air cylinder 74 Rod 76 Chuck member 80 Lifting device W profile

Claims (4)

In the profile loading device (10) for loading the profile (W) cut to a predetermined length onto the pallet (12),
A pair of end holding devices (20) for holding both ends in the length direction of the loaded shape (W), and at least one intermediate for holding an intermediate portion in the length direction of the shape (W) A support member (41, 42, 43),
The pair of end holding devices (20) includes a shape receiving portion (56) for holding each end of the loaded shape (W), and the shape receiving portion (56) as the shape ( W) a receiving portion driving device (54) that drives between the holding state and the release state,
The end holding device (20) and the intermediate support member (41, 42, 43) have a frame material (22, 24) provided in a suspended state, and the frame material (22, 24) includes the frame material (22, 24). A drive mechanism (30) for driving the intermediate support member (41, 42, 43) is provided, and the intermediate support member (41, 42, 43) is movably provided by the drive mechanism (30),
The intermediate support member (41, 42, 43) includes a support roller (44) for supporting the lower surface of the profile (W), and the intermediate support member (41, 42, 43) is provided with the end portion holding device ( 20), and the support roller (44) is positioned on the lower surface side of the profile (W) from both ends of the profile (W) by the drive mechanism (30). A profile loading device characterized by being provided so as to be movable. In the profile loading device (10) for loading the profile (W) cut to a predetermined length onto the pallet (12),
A pair of end holding devices (20) for holding both ends in the length direction of the loaded shape member (W), and a plurality of intermediate supports for holding intermediate portions in the length direction of the shape member (W) Members (41, 42, 43),
The pair of end holding devices (20) includes a shape receiving portion (56) for holding each end of the loaded shape (W), and the shape receiving portion (56) as the shape ( W) a receiving portion driving device (54) that drives between the holding state and the release state,
The end holding device (20) and the intermediate support member (41, 42, 43) have a frame material (22, 24) provided in a suspended state, and the frame material (22, 24) includes the frame material (22, 24). A drive mechanism (30) for driving the intermediate support member (41, 42, 43) is provided, and the intermediate support member (41, 42, 43) is movably provided by the drive mechanism (30),
The intermediate support member (41, 42, 43) includes a support roller (44) that supports the lower surface of the shape member (W), and is driven from both ends of the shape member (W) by the drive mechanism (30). Provided so that the support roller (44) is located on the lower surface side of the profile (W),
The intermediate support members (41, 42, 43) are respectively connected to a plurality of drive chains (38) of the drive mechanism (30), and the plurality of drive chains (38) are sprockets (33) each having a different diameter. , 34 and 35 together is stretched), the different diameters of the sprockets (33, 34, 35) of a common motor (32) profiles loading apparatus characterized by being driven by.   A spacer (62) is mounted on the shape member (W) loaded on the pallet (12) when the shape member (W) is loaded, provided in a suspended state on the frame material (22). 3. The profile loading device according to claim 1 or 2, further comprising a spacer supply device (60) to be placed. The spacer supply device (60) includes a spacer storage portion (66) storing a plurality of the spacers (62), and a spacer take-out device (68) for taking out the spacers (62) one by one from the spacer storage portion (66). And a spacer loading device (70) for holding the spacer (62) taken out from the spacer housing (66) and placing it on the shape (W). .

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