JP2001310223A - Weight accumulation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a weight accumulation device capable of automating placement and collection of a weight on a panel in a heat insulation panel manufacturing process and capable of attempting compact facilities. SOLUTION: This weight accumulation device is furnished with a weight placing part 12 to place a weight 11 on a panel 10, a weight collection part 13 to remove the weight from the panel, a weight accumulation part 14 to accumulate the weight collected by the weight collection part 13 and a weight lifting means 15 to transfer the weight, the weight accumulation part is furnished with a weight holding part to hold a plural number of the weights in an accumulation state at a specified position, and the weight lifting means is furnished with an electromagnet 34 to lift the weight held on the weight holding part free to elevate and furnished with a control means to magnetize the electromagnet corresponding to a placing position of the weigh to be set in accordance with a shape of the panel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weight accumulating apparatus, and more particularly, to a weight accumulating apparatus for lifting and transferring a weight used for manufacturing a pair of synthetic resin panels sandwiching a heat insulating material. .

[0002]

2. Description of the Related Art A unit panel (heat insulating panel) used for a wall surface of a water tank or the like is usually formed with a heat insulating material sandwiched between a pair of synthetic resin panels. The production of such a heat retaining panel is generally performed as follows. First, the inner surface of the first panel forming one surface of the heat insulating panel is directed upward, and an adhesive is applied to the inner surface of the first panel, and the heat insulating material is placed. In addition, after applying an adhesive to the upper surface of the heat insulating material, the second
The panel is placed on the upper surface of the first panel and the heat insulating material. Next, a weight is placed at a predetermined position on the upper surface (outer surface) of the second panel to bring both panels into close contact. Then, this is carried into a drying room to dry the adhesive, and then the weight is removed from the completed heat retaining panel.

[0003] In the manufacturing process of such a heat insulating panel, since the shape of the heat insulating panel is set to various shapes in consideration of its strength and design, the position where the weight is placed depends on the shape of each heat insulating panel. It is decided according to. In other words, in panels of various shapes, weights are placed on the peripheral edge of the panel where close contact is required, according to the vertical and horizontal dimensions of the panel, but other portions are flat except for the curved surface portion of the panel. The weight is placed at an appropriate position of the portion.

[0004]

Therefore, it is necessary to change the position of the weight according to the shape of the panel to be manufactured, and the placement and collection of the weight often rely on manual work.
In addition, in normal equipment, since the drying chamber is formed on a straight line, placing the weight on the panel before bonding and collecting the weight after bonding will be performed at both ends of the drying chamber, The weight collected at the outlet of the drying chamber had to be returned to the inlet of the drying chamber by a weight transfer device or the like.

Accordingly, the present invention is to provide a weight accumulating apparatus which can automate mounting and collecting weights on a panel in the above-described process of manufacturing a heat retaining panel, and can further downsize the equipment. The purpose is.

[0006]

In order to achieve the above object, a weight accumulating apparatus according to the present invention places a weight used when two panels are overlapped and bonded on the panel before bonding. A weight mounting portion, a weight collecting portion for removing weight from the bonded panel, a weight collecting portion for collecting the weight collected by the weight collecting portion, and a weight collecting portion from the weight collecting portion to the weight mounting portion. A weight lifting device for transferring the weight from the weight to the weight accumulating portion, wherein the weight accumulating portion includes a weight holding portion for holding a plurality of weights at a predetermined position in a stacked state. The weight lifting means is provided with an electromagnet for lifting the weight held by the weight holding unit so as to be able to move up and down, and controls to excite the electromagnet corresponding to the weight mounting position set by the shape of the panel. Have means It is characterized by a door.

Further, in the weight accumulating device according to the present invention, the weight placing portion and the weight collecting portion are arranged adjacent to both sides of the weight accumulating portion, and an adhesive for adhering the panel is dried. The drying chamber to be bent is bent, the entrance of the drying chamber is arranged close to the weight placing section, and the exit of the drying chamber is arranged close to the weight collecting section.

The weight lifting means may include a traversing unit movable above the weight mounting unit, above the weight stacking unit, and above the weight collection unit, and a lifting unit provided to be movable up and down in the traversing unit. And an electromagnet suspension member provided in the elevating unit so as to be movable up and down within a predetermined range. In particular, the electromagnet is mounted on the electromagnet suspension member via a flexible joint. .

Further, the weight accumulating portion is provided at a position corresponding to the positioning through hole provided in the weight, and has a sharpened upper end, and protrudes and retracts above the positioning pin and below the sharpened portion. And a weight receiving plate which is a position where a weight falling from the electromagnet portion can be placed when protruding in the direction of the positioning pin,
The positioning through-hole, the upper part is a cylindrical shape, the lower part is formed in a conical shape with the lower part expanded, and the lower surface of the weight is provided with a non-slip member, and on the upper surface,
A liner made of a non-magnetic material for preventing the non-slip member from collapsing is provided at a position where the weight does not interfere with the non-slip member when stacked.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of a weight accumulating apparatus according to the present invention. FIG. 1 is a schematic front view, FIG. 2 is a schematic plan view showing a positional relationship with a drying chamber, and FIG. 4 is a partial cross-sectional side view of the stacking device, FIG.
FIG. 5 is a partial cross-sectional front view of a main part showing the electromagnet suspension member, FIG. 6 is a cross-sectional front view of the main part for explaining the operation of the positioning pin and the weight receiving plate, and FIGS. FIG. 9 is a partial cross-sectional front view of a main part showing another embodiment of the member, FIG. 9 is a cross-sectional front view of the main part showing another embodiment of a positioning through hole formed in the weight, and FIGS. 10 and 11 are weights. 10 is a partial cross-sectional perspective view as viewed from above, FIG. 11 is a perspective view as viewed from below, and FIGS. 12 to 14 show examples of a state in which a weight is placed on a panel. It is a top view respectively.

First, as shown in FIGS. 1 and 2, the weight accumulating device includes a weight mounting portion 12 for mounting a weight 11 on a panel 10 before bonding and a weight mounting portion 12 on the panel 10 after bonding. A weight collection unit 13 that removes and collects the weight 11, and a weight accumulation unit 1 that accumulates the weight 11 collected by the weight collection unit 13.
4, weight lifting means 15 for transferring the weight 11 from the weight accumulation part 14 to the weight placement part 12, from the weight collection part 13 to the weight accumulation part 14, and control means (not shown). Thus, it is formed so as to correspond to 40 weight mounting positions. The weight 11 used in this weight accumulating device is made of a metal block which can be attracted by an electromagnet such as an iron material having a rectangular cross section and an appropriate length and is formed in a square shape. A positioning through hole 11a for accumulating weights at predetermined positions at 14
(See FIGS. 12 to 14).

Further, in the above-mentioned weight accumulating device, a weight mounting portion 12 and a weight collecting portion 13 are arranged adjacent to each other with a weight accumulating portion 14 as a center. It is formed so as to be able to move along a pair of guide rails 16 that reach the weight collection unit 13 from the mounting unit 12 via the weight accumulation unit 14.

Further, as shown in FIG. 2, the weight accumulating device is disposed adjacent to a drying chamber 17 for drying the adhesive. The drying chamber 17 has a shape in which the inside of the room is bent into a U-shape, and the panel 10 carried into the room from the drying chamber entrance 17a is U-turned in the room to be in the same direction as the drying chamber entrance 17a. The panel 10 after the processing is carried out from the drying chamber outlet 17b provided in the apparatus.

The weight placing section 12 of the weight accumulating device is located near the drying chamber entrance 17a.
3 are disposed in the vicinity of the drying chamber outlet 17b, respectively, and the transport means 18 such as a roller conveyor for transporting the panel 10 is moved from the preceding equipment for applying the adhesive or the like to the weight accumulating device and the drying chamber. The equipment is continuously provided to the subsequent equipment for taking out the completed thermal insulation panel after passing through 17. Further, stoppers 18a and 18b for stopping the panel 10 to be conveyed at predetermined positions are respectively provided at the weight placing section 12 and the weight collecting section 13 in the conveying means 18.

As shown in FIG. 3, the weight lifting means 1
Reference numeral 5 denotes a traversing unit 21 that moves along the guide rail 16, an elevating unit 22 that is provided to be able to move up and down the traversing unit 21, and an electromagnet suspension that is installed in the elevating unit 22 so that it can move up and down within a predetermined range. And the traversing unit 21 includes the guide rail 1.
6 is formed to move to a predetermined position by driving a pinion 25 meshing with a rack rail 24 provided on the side surface of the motor 6 by a motor 26.

The elevating unit 22 moves up and down along a guide post 27 provided on the traversing unit 21. The screw 28 provided on the traversing unit 21 is rotated by a motor 29, so that a female screw member 30 is provided. The lifting unit 22 is formed so as to move up and down via the.

The electromagnet suspension member 23 is shown in FIGS.
As shown in FIG. 2, a support cylinder 32 having a built-in bearing 32a is mounted on a horizontal support plate 31 provided on the lifting unit 22.
The hollow rod 33 is movably held in the vertical direction via a through hole, and an electromagnet 34 is attached to the lower end of the hollow rod 33. A flange member 35 is provided at the upper end of the hollow rod 33 to prevent the hollow rod 33 from falling off the support tube 32. A power cable 36 for exciting the electromagnet 34 is passed through the inside of the hollow rod 33. . The positions of the electromagnets 34 are set so that they are at the same height when the lifting unit 22 is raised.

The weight accumulating portion 14 is formed on a carriage 42 running on a rail 41. On the upper surface, the weight accumulating portion 14 is located at a position corresponding to the positioning through hole 11a of each of the weights 11 to be accumulated, and at an upper end thereof. A predetermined number of positioning pins 44 having sharpened portions 43 are provided upright. The positioning pins 44 function as weight holding portions, and hold a plurality of, for example, 20 weights 11 at a predetermined position in a stacked state. I have to. By providing the weight accumulating portion 14 on the carriage 42 in this manner, maintenance of the weight 11 can be performed by the carriage 4
2 can be easily performed in a state of being pulled out from the weight accumulation device.

Further, the positioning pin 4 is provided on the carriage 42.
The weight receiving plate 4 is capable of protruding and retracting at a position above the sharpening portion 43 at an upper portion of the electromagnet 4 and, when protruding in the direction of the positioning pin 44, becomes a position where the weight 11 falling from the electromagnet 34 can be placed.
5 are provided. The weight receiving plate 45 is provided at the upper end of a columnar member 46 as shown in FIG. 4, and the columnar member 46 is horizontally moved or rotated by a slide member 47, Weight support plate 4
5 is formed so as to move to a mounting position of the weight 11 and a non-mounting position. The weight receiving plate 45 is used to return the weight 11 to a predetermined position when the weight 11 moves on the panel 10 due to vibration during panel conveyance and the weight 11 collected by the weight collection unit 13 is shifted from a predetermined position. It is provided in.

That is, as shown in FIG. 6, the electromagnet 34 is lowered so that the collected weight 11 reaches slightly above the positioning pin 44, and the weight receiving plate 45 is
Is moved to the weight mounting position indicated by the imaginary line. In this state, when the excitation of the electromagnet 34 is released and the weight 11 is dropped,
The weight 11 returns to a predetermined position and falls onto the weight receiving plate 45 by the action of the positioning through hole 11a of the weight 11 and the sharpened portion 43 of the positioning pin 44. Next, the electromagnet 3
4 is lowered and excited, the weight 11 is slightly lifted, and the weight receiving plate 45 is returned to the standby position (solid line position in FIG. 6). Then, the electromagnet 34 is released, and the recovered weight 10 is placed on the stacked weights, and then the electromagnet 34 is released. By returning the weight 11 to the predetermined position in this manner, the weight 11 can be prevented from dropping from a high place and being damaged, and the hollow rod 33 and the positioning pin 44 can be prevented.
No excessive force is applied.

Control means for exciting a predetermined electromagnet 34 in accordance with the position of the weight placed on the panel 10 is provided by each electromagnet 3.
A simple configuration having an individual switch for turning on / off the power to the power supply 4 according to the weight mounting position may be used. The weight mounting position according to the model number of each panel is stored as data in the computer, and By inputting a model number, a predetermined electromagnet 34 can be automatically excited.

As shown in FIGS. 7 and 8, a hollow rod 33 and an electromagnet 34 in the electromagnet suspension member 23 are provided.
Is preferably connected via a flexible joint 37. This flexible joint 37
In this example, a shank 37c having a ball 37b is rotatably held by a holder 37a having a spherical inner peripheral surface. Furthermore, the positioning through hole 11a of the weight 11
As shown in FIG. 9, the upper part 11b is cylindrical and the lower part
It is preferable that 1c is formed in a conical shape whose lower part is expanded.

As described above, the flexible joint 37
By mounting the electromagnet 34 by using, the lower portion 11c of the positioning through hole 11a is formed in a conical shape, so that the positioning through hole 11a and the sharpened portion 43 of the positioning pin 44 are formed as shown in FIG. 8, the shank 37c of the flexible joint 37 is appropriately inclined due to the position of the center of gravity of the weight 11, and the position of the positioning through hole 11a substantially corresponds to the sharpened portion 43 as shown in FIG. Position. Further, when the electromagnet 34 descends and the sharpened portion 43 contacts the conical surface below the positioning through hole 11a, the shank 37c of the flexible joint 37 is moved.
Is further inclined to move the positioning through-hole 11a to a position corresponding to the sharpened portion 43, so that no excessive force is applied to each member such as the hollow rod 33, the electromagnet 34, and the positioning pin 44, and the weight is reduced. The return of the weight 11 to the accumulation unit 14 can also be reliably performed.

The positioning hole 11a for the weight 11
The whole can be formed in a cylindrical shape having a larger diameter than the positioning pin 44 so that the positioning pin 44 can easily enter, and the whole can be formed in a conical shape. As a result, the weight of the weight 11 is reduced, and the original function of the weight is reduced. Therefore, as described above, by combining the cylindrical portion and the conical portion to form the positioning through-hole 11a, the weight efficiency with respect to the outer shape of the weight 11 can be improved.

As shown in FIGS. 10 and 11, a non-slip member 51 is provided on the lower surface of the weight 11, and a liner 52 for protecting the non-slip member 51 is provided on the upper surface of the weight 11. Is provided. The non-slip member 51 is made of, for example, silicon rubber or the like, and prevents the weight 11 placed on the panel 10 from moving due to vibration or the like during panel transport. Further, the liner 52 is made of a hard non-magnetic material such as stainless steel so as not to be affected by interference with the electromagnet 34. 11 prevents the non-slip member 51 from being crushed by the weight of 11.

The positions at which the non-slip member 51 and the liner 52 are attached to the weight 11 are set so as not to interfere with each other when the weights 11 are stacked.
As shown at 0 and 11, the non-slip member 51 is provided at both ends of the lower surface of the weight 11, and the liner 52 is provided at the center of the upper surface of the weight 11. Furthermore, the thickness of the non-slip member 51 may be determined in consideration of the anti-slip effect and the strength. If the thickness is too large, the accumulation efficiency of the weight 11 is reduced, and the balance when mounted on the panel 10 is poor. Therefore, usually about 1 mm is optimal. The thickness of the liner 52 is preferably equal to or larger than the thickness of the non-slip member 51 in order to prevent the non-slip member 51 from being crushed. The thickness may be 1 mm. The attachment of the non-slip member 51 and the liner 52 to the weight 11 can be performed with an adhesive or an adhesive tape.

Hereinafter, the operation of the weight accumulation device formed as described above will be described. First, the panel 10 on which the heat insulating agent has been set and the adhesive has been applied in the preceding stage equipment is conveyed to the weight accumulating device portion by the conveying means 18. At this time,
The stoppers 18a and 18b operate to stop the panel 10 at a predetermined position. For example, in the case of panels 10a and 10b having the sizes shown in FIGS.
In the case where 8a is the half-size panel 10c shown in FIG. 14, the stoppers 18b operate to stop the panel.

On the other hand, the traversing unit 21 moves to a predetermined position above the weight accumulation unit 14 with the lifting unit 22 raised, and lowers the lifting unit 22 to the predetermined position. At this time, the number of the weights 11 used at each position differs depending on the supply state of the weights 11 to the panel 10, and as a result, as shown in FIG. After the elevating unit 22 descends and the electromagnet 34 contacts the weight 11, when the elevating unit 22 further descends, the hollow rod 33 passes through the support cylinder 32 and projects above the support plate 31.
That is, by the action of the support cylinder 32 and the hollow rod 33, when the elevating unit 22 is lowered to a predetermined position,
All the electromagnets 34 come into contact with the upper surface of each weight 11 without fail.

In this state, the electromagnet 34 at a predetermined position corresponding to the shape of the panel 10 is excited,
2 raises the weights 11 stacked in place.
Only the uppermost weight is magnetically attached to the electromagnet 34 and lifted. When the lifting unit 22 rises to a predetermined position while the weight 11 is lifted, as shown in FIGS. 1 and 3, the flange member 35 at the upper end of the hollow rod 33 abuts against the support plate 31, and each weight 11 is on the same plane. It is in a state of being suspended so as to line up.

Next, the traversing unit 21 is moved to the weight
After moving the elevating unit 22 down to place the weight 11 on the panel 10 at a predetermined position, the electromagnet 34 is released and the elevating unit 22 is raised. Thereby, the weight 10 is located at a predetermined position on the upper surface of the panel 10.
Are placed on each other.

The panel 10 on which the adhesive has been dried by passing through the drying chamber 17 from the weight placing section 12 is
It is conveyed to the weight collection part 13 from the drying room outlet part 17b. Also at this time, the stoppers 18a and 18b operate to stop the panel 10 at a predetermined position. In addition, since the heat insulation panel is usually formed in a point-symmetrical shape about the panel center point, the weight placement part 12 and the weight collection part 13 place the respective weights in the U-turn state. Are the same, so that the direction of the panel 10 is
There is no problem even if the weight is different by 80 degrees, but if the weight placing position is not point symmetric, the panel after the U-turn is rotated 180 degrees in the horizontal direction or moved in a U-shape in the drying chamber 17. What is necessary is just to form.

When the panel 10 stops at a predetermined position, the traversing unit 21 is moved above the weight collecting unit 13 and the lifting unit 22 is lowered to bring the electromagnet 34 into contact with the weight 11 or the upper surface of the panel. Then, the electromagnet 34 is excited. In this case, all the electromagnets 34 may be excited. Then, by lifting the elevating unit 22, the weight 11 is removed from the panel after the bonding process, and the heat insulation panel is completed.

The weight 11 collected by the weight collection unit 13 is
When the traversing unit 21 moves to a predetermined position above the weight stacking unit 14, the positioning through holes 11a of the weights 11 are formed.
Moves to a position above the corresponding positioning pin 44. In this state, as described above, the weight receiving plate 45 is protruded, the lifting unit 22 is lowered, the electromagnet 34 is set at a predetermined position, the excitation is released, and the weight 11 is dropped onto the weight receiving plate 45 to perform positioning. After the position of the through hole 11a is corrected by the sharpening portion 43, the electromagnet 34 is further lowered to be excited, thereby lifting the weight 11 again. At this time, if the weight mounting position of the weight mounting portion 12 on the panel 10 is the same as the position of the collected weight 11, the traversing unit 21 moves to the weight mounting portion 12 in this suspended state, and the lifting unit 22 Moves down, the excitation of the electromagnet 34 is released, and the weight 11 is placed on a new panel 10.

If the position of the weight 11 on the new panel 10 at the weight mounting portion 12 is different from the position of the recovered weight 11, the weight receiving plate 45 returns to the standby position in the above-described lifting state, and the lifting unit 22 descends to a predetermined lowermost position,
The excitation of the electromagnet 34 is released to put the weights 11 in a stacked state. Subsequently, the electromagnet 34 at a position corresponding to the weight 11 placed on the next panel 10 is excited, and the lifting unit 22
Rises to lift the weight 11 at a predetermined position.

Hereinafter, by repeating the same operation,
The mounting of the weight 11 on the panel 10 before bonding and the collection of the weight 11 from the panel 10 after bonding are continuously performed, and the adhesive is dried in the production of the heat retaining panel. At this time, the weight 11 placed on the panel 10 is
The weight 11 is held at a predetermined position by the positioning pin 44, which is a weight holding unit, so that the weight 11 can be reliably mounted at a predetermined position on the upper surface of the panel 10 before bonding.

Further, as described above, the drying chamber 17 is bent, and the weight placing portion 12, the weight collecting portion 13, and the weight accumulating portion 14 of the weight accumulating device are arranged adjacent to each other.
, That is, the moving distance of the weight lifting means 15 can be minimized, so that the equipment including the drying chamber 17 can be made compact.

Further, the electromagnet suspension member 23 is formed so as to be vertically movable within a predetermined range with respect to the elevating unit 22.
The contact of the electromagnet 34 with the upper surface of the weight when the weight 11 is lifted and the impact when the weight 11 is placed on the panel can be almost eliminated, and the stacking height of the respective weights 11 in the weight accumulating unit 14 can be reduced. Even if the heights are different, the electromagnet 34 and the weight 11 can be reliably brought into contact with each other and lifted.

Further, a sharpened portion 43 is provided above the positioning pin 44, and the weight receiving plate 4 protruding and retracting at a predetermined position is provided.
Since the weight 11 can be positioned without dropping the weight 11 from a high place, it is possible to prevent the weight 11 and the like from being damaged.

[0039]

As described above, according to the weight accumulating apparatus of the present invention, it is possible to automate the mounting and collection of the weight on the panel in the process of manufacturing the heat retaining panel, and to save the labor of the process of manufacturing the heat retaining panel. In addition, labor saving and reduction of manufacturing cost can be achieved. In addition, the equipment can be made more compact.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing one embodiment of a weight accumulation device of the present invention.

FIG. 2 is a schematic plan view showing a positional relationship with a drying chamber.

FIG. 3 is a partial cross-sectional side view of the weight accumulation device.

FIG. 4 is a front view showing a main part of the weight accumulation unit.

FIG. 5 is a partial sectional front view of a main part showing an electromagnet suspension member.

FIG. 6 is a cross-sectional front view of a main part for describing the operation of a positioning pin and a weight receiving plate.

FIG. 7 is a partial sectional front view of a main part showing another embodiment of the electromagnet suspension member.

FIG. 8 is a partial cross-sectional front view of a main part showing a state in which the positioning pin and the positioning pin have come close to each other.

FIG. 9 is a cross-sectional front view of a main part showing another example of a positioning through hole formed in a weight.

FIG. 10 is a partial cross-sectional perspective view showing another example of the weight as viewed from above.

FIG. 11 is a partial cross-sectional perspective view showing another example of the weight as viewed from below.

FIG. 12 is a plan view showing an example of a state in which a weight is placed on a panel.

FIG. 13 is a plan view showing an example of a weight mounted state on a panel of another shape.

FIG. 14 is a plan view showing an example of a weight mounting state on a half-size panel.

[Explanation of symbols]

10 panel, 11 weight, 11a positioning through hole,
Reference numeral 12: weight placement unit, 13: weight collection unit, 14: weight accumulation unit, 15: weight lifting means, 16: guide rail, 17
... drying chamber, 17a ... drying chamber inlet, 17b ... drying chamber outlet, 18 ... conveying means, 18a, 18b ... stopper, 2
DESCRIPTION OF SYMBOLS 1 ... Traversing unit, 22 ... Elevating unit, 23 ... Electromagnet suspension member, 24 ... Rack rail, 25 ... Pinion, 26
… Motor, 27… guide post, 28… screw,
29: motor, 30: female screw member, 31: support plate, 3
2 ... support cylinder, 32a ... bearing, 33 ... hollow rod,
34: electromagnet, 35: flange member, 36: power cable, 3
7: Flexible joint, 41: Rail, 42: Dolly, 43: Sharpened portion, 44: Positioning pin, 45: Weight receiving plate, 46: Column member, 47: Slide member, 51: Non-slip member, 52: Liner

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) B66C 1/06 B66C 1/06 AMF term (reference) 3C030 CB03 CB12 CB13 CB14 CB17 DA23 DA24 DA37 3F004 AG01 AG03 EA03 HB01 HB04 JA10 NA05 3F029 BA09 CA84

Claims (8)

[Claims] 1. A weight mounting part for mounting a weight used for superimposing and bonding two panels on a panel before bonding, and a weight collecting part for removing the weight from the panel after bonding. A weight accumulating section for accumulating the weight collected by the weight collecting section; and a weight lifting means for transferring the weight from the weight accumulating section to the weight mounting section, and from the weight collecting section to the weight accumulating section. An accumulating device, wherein the weight accumulating unit includes a weight holding unit that holds a plurality of weights at a predetermined position in a stacked state, and the weight lifting unit lifts the weight held by the weight holding unit. And a control means for exciting an electromagnet corresponding to a mounting position of the weight set according to the shape of the panel. 2. The method according to claim 1, wherein the weight mounting portion and the weight collecting portion are arranged adjacent to each other on both sides of the weight collecting portion, and a drying chamber for drying an adhesive for bonding the panel is bent. 2. The weight accumulating device according to claim 1, wherein an entrance of the drying chamber is arranged near the weight placing section, and an exit of the drying chamber is arranged near the weight collecting section. 3. A traversing unit movable above the weight placement unit, above the weight stacking unit, and above the weight collection unit, and a lifting unit movably provided on the traversing unit. 2. The weight accumulating device according to claim 1, further comprising an electromagnet suspension member provided in said elevating unit so as to be vertically movable within a predetermined range. 4. The weight collecting device according to claim 3, wherein the electromagnet is mounted on the electromagnet suspension member via a flexible joint. 5. The weight accumulating portion is provided at a position corresponding to a positioning through-hole provided in the weight, and has a sharpened upper end, and protrudes and retracts above the positioning pin and below the sharpened portion. 2. The weight accumulating device according to claim 1, further comprising a weight receiving plate which is capable of mounting a weight falling from the electromagnet portion when protruding in the direction of the positioning pin. 6. The weight accumulating device according to claim 5, wherein the positioning through-hole is formed in a conical shape in which an upper part is cylindrical and a lower part is expanded downward. 7. The weight accumulating apparatus according to claim 1, wherein the weight has a non-slip member provided on a lower surface. 8. A liner made of a non-magnetic material for preventing the non-slip member from being crushed is provided on the upper surface of the weight at a position where it does not interfere with the non-slip member when the weights are stacked. The weight accumulation device according to claim 7, wherein: