JP3556245B2 - Primer coating device - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a primer application device for applying a primer to a core material when assembling a wood panel including a core material and a face material.
[0002]
[Prior art]
In recent years, in the construction of houses, the industrialization has progressed. For example, a panel construction method in which components such as walls, floors, and roofs are panelized in advance in a factory, and these panels are assembled at a construction site to construct a house. Some have been adopted. As a panel used in such a panel construction method, for example, as a wall panel, vertical core members 1a, 1a and horizontal core members 1b, 1b are assembled into a rectangular frame shape as shown in FIG. A reinforcing core 2 is vertically and horizontally incorporated into a frame 3, and a face 4 made of plywood or the like is attached to both sides of the frame 3. Further, the floor panel has a configuration in which the wall panel has the face material 4 adhered to both sides of the frame 3, whereas the face material 4 is adhered to only one surface.
[0003]
By the way, when assembling these panels, conventionally, between cores or between cores and face materials has been fixed by nailing or staple driving. However, in recent years, the use of adhesives has improved dramatically, and products with superior adhesive strength have been provided compared to nails and staples. It is shifting to. The adhesive used for assembling such a panel consists of two types, a curing accelerator called a primer, and a curing agent, and the type of curing agent that is combined and cured within a predetermined time after applying the primer. Is generally used.
[0004]
When assembling the panel shown in FIG. 6 using this type of adhesive, in order to apply a primer, each core material is assembled into a frame 3 by nailing or the like, and this frame 3 is applied to an application roller. And a method of applying a primer to both surfaces of the frame 3 by using a primer coating device, or a method of passing the face material 4 through the primer coating device. In the former, a hardener is applied to the face material side, and then the face material and the frame 3 are bonded and pressed. In the latter, the hardener is applied to the frame, and then the frame and the face material are bonded and pressed. We assemble each panel.
[0005]
[Problems to be solved by the invention]
However, the above-described method for applying the primer has the following disadvantages.
In the former method, each core must be framed in advance by nailing or the like. However, as described above, since the adhesive strength of the adhesive has been sufficiently improved, the bonding and fixing between the respective core materials is not performed directly at present, and only the framework is used. A sufficient panel strength can be obtained by indirectly fixing between the core materials by bonding. Therefore, it is necessary to assemble each core material into a frame by nailing or the like in order to apply a primer. This leads to excessive quality and increased costs.
[0006]
Further, in the latter method, since the face material 4 is passed through the application roller of the primer coating device, the primer is applied to the entire surface of the face material 4 and the primer is applied to a portion not in contact with the frame. Thus, there is a problem that the waste of the primer is caused, which also results in a kout up.
The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a primer coating apparatus suitable for a method of assembling a panel only by bonding without waste of a primer and eliminating nailing or the like. It is in.
[0007]
[Means for Solving the Problems]
The primer coating device according to claim 1 of the present invention is a device for coating a primer on a side surface of a core material, and includes a pair of arms rotatably supported on a base and a pair of coatings attached to these arms. A roller, a core material feeding section for feeding a core material between the application rollers, a primer receiver disposed below the application roller, and a primer supply section for supplying the primer being received to the application roller. and, between the pair of arms, urging member for urging in a direction to approach each other coating roller mounted on each of said arms is provided, in a state wherein no core material between the application roller, the The solution to the above-described problem is that the interval between the application rollers is set to be smaller than the width of the core material .
In the primer coating device according to claim 2, the base is provided with a regulating member that regulates rotation of one arm of the pair of arms inward, and the other arm is rotated outward. A holding means for holding is provided, and the rotation of the one arm inward is regulated by the regulating member, so that the application roller attached to the one arm contacts the side surface of the core material. It is held at the contact position .
According to a third aspect of the present invention, the core feeder includes a pair of cutting rollers and a feeder for feeding the core between the cutting rollers.
[0008]
[Action]
According to the primer coating device of the first aspect, when the core material is fed between the pair of application rollers to which the primer has been supplied by being fed from the core material feeding section, these coating rollers are provided with an urging member. It opens so as to be at substantially the same interval as the width of the core material against the force, and further rotates due to the friction as the core material passes. At this time, since the application roller presses the side surfaces of the core material by the urging members, the primer is automatically applied to both side surfaces of the core material. In addition, excess primer that falls from the application roller without being applied to the core material is collected in the primer receiver, and is circulated to the application roller, so that there is almost no waste of primer. According to the primer coating device of the second aspect, the base body is provided with a regulating member that regulates the rotation of one of the pair of arms to the inside, and the other arm is rotated to the outside. Since the holding means for holding the other arm is provided in a state where the other arm is rotated outward, one arm does not rotate further inward by the regulating member, that is, one arm is rotated by the regulating member. By restricting the inward rotation of the arm, the application roller attached to one of the arms is held at a position where it comes into contact with the side surface of the core material , and therefore, the primer is applied only to one surface of the core material. If one wishes to do so, one-sided application becomes possible simply by turning and holding the other arm outward. According to the primer coating apparatus of the third aspect, since the core material feeding section includes a pair of cutting rollers and a feeding section for feeding the core material between the cutting rollers, the side face of the core material is provided. After adjusting the width to the standard, the core material is extruded by the feed of the feed part when cutting the core material and is continuously fed between the application rollers, so the side surface cutting of the core material, primer application The feed mechanism of the core material at this time is also used as the mechanism of the feed unit.
[0009]
【Example】
1 to 5 show an embodiment of the primer coating apparatus of the present invention. In these figures, reference numeral 10 denotes a primer coating apparatus. The primer application device 10 is for applying a primer to a side surface of the core material 1, and includes a base (base) 11, a pair of application rollers 12 a and 12 b attached to the base 11, and an application roller 12 a. , 12b, a core material feeding section 13 for feeding the core material 1, a primer receiver 14 disposed below the application rollers 12a, 12b, and a primer in the primer receiver 14 to the application rollers 12a, 12b. And a primer supply section 15 for supplying.
[0010]
The base 11 includes a long leg portion 16 and a short leg portion 17 formed in a U-shape, and application rollers 12 a and 12 b are provided on the upper leg portion short leg portion 17 side of the long leg portion 16. A plate body 18 for attachment is attached in the horizontal direction. As shown in FIG. 2, a pair of arms 19a and 19b are rotatably supported by the plate body 18, and bearings 20a and 20b are provided at the rotation-side ends of the arms 19a and 19b, respectively. The application rollers 12a and 12b are rotatably mounted via the intermediary. Further, between the arms 19a and 19b, an urging spring 21 for urging the application rollers 12a and 12b attached to the arms 19a and 19b in a direction to approach each other is attached.
[0011]
The plate body 18 is provided with a stopper (restriction member) 22 for restricting the inward rotation of the arm 19a inside one arm 19a, and an air outside the other arm 19b. A cylinder (holding means) 23 is provided. The air cylinder 23 has the tip of the rod 23a connected to the arm 19b, and moves the application roller 12b closer to the application roller 12a with the rod 23a extended, and separates the application roller 12a from the application roller 12b with the rod 23a contracted. This state is maintained. When the rod 23a is contracted and the application roller 12b is released outward, the application spring 12a is pulled toward the application roller 12b by the urging spring 21, but its rotation is regulated by the stopper 22, so that the application roller 12a Is to hold a regular position in contact with the side surface of the core material 1 as described later.
[0012]
As shown in FIG. 3, the application roller 12a (12b) has a cylindrical shaft 24, a cylindrical roller portion 25 extrapolated from the shaft 24, and a roller portion 25 provided below the roller portion 25. And a fixing member 26 for fixing the shaft 24 so as not to drop from the shaft 24. The application rollers 12a and 12b are close to each other by the urging spring 21 when there is no core 1 between them, but the interval between the roller portions 25 at that time is smaller than the width of the core 1. It is set to be. The shaft 24 is rotatably held by a bearing 20a (b), and has a large number of holes 28 formed at a position where the roller portion 25 is extrapolated. The roller portion 25 is formed of foamed polyurethane having continuous open pores. As will be described later, a primer is supplied into the shaft 24 via a connecting pipe 27, and the primer flows out of the holes 28 of the shaft 24. On the outer surface side.
Below the plate body 18, a pair of guide plates 29, 29 for guiding the core material 1 fed from the core material feeding portion 13 between the application rollers 12a, 12b are arranged in parallel in the horizontal direction. . These guide plates 29, 29 have their leading ends positioned almost immediately before the application rollers 12a, 12b, and their rear ends located in the core material feeding section 13.
[0013]
In this embodiment, the core material feeding unit 13 includes a pair of cutting rollers 31, 31 disposed in a box 30 as shown in FIG. 4, and a conveyor (core) for feeding the core material 1 between the cutting rollers 31, 31. (A feeding unit) 32. The cutting rollers 31, 31 cut both side surfaces of the core material 1 sent by the conveyor 32 to make the width of the core material 1 as specified, and at the same time, smooth the both side surfaces which are to be adhered to the surface material, This is to enhance the bonding effect. The guide plates 29, 29 are disposed behind the cutting rollers 31, 31, so that the core material 1 sent between the cutting rollers 31, 31 by the conveyor 32 is connected to the cutting rollers 31, 31. After the both sides have been cut, the sheet is guided between the guide plates 29 and 29, and is further pushed out by the conveyer 32 onto the core material 1 sent between the cutting rollers 31 and 31, so that it comes out of the box 30 and the coating is performed. The paper is fed between the rollers 12a and 12b.
The box 30 is for preventing shavings from being scattered by cutting by the cutting rollers 31 and 31 and is configured so that the inside of the box 30 is sucked by a duct (not shown). The conveyor 32 extends from the outside of the box 30 into the box 30.
[0014]
Below the application rollers 12a and 12b, as shown in FIG. 1, a primer receiver 14 for receiving excess primer is disposed between the long leg 16 and the short leg 17 of the base 11, and furthermore, A primer reservoir 33 is provided below the primer receiver 14. The primer receiver 14 has an opening formed in the center thereof, and a hose 34 connected to the primer reservoir 33 is attached to the opening. The primer receiver 14 receives the excess primer falling from the application rollers 12a and 12b, and This is for sending to the primer reservoir 33 via 34. In addition, a filter material such as felt is provided on the primer receiver 14 so as to cover the opening, so that large debris or the like that has entered the primer receiver 14 does not flow into the primer reservoir 33. I have.
[0015]
A hose 35 is connected to the bottom of the primer reservoir 33, and a pump (not shown) is connected to the hose 35. Further, another hose (not shown) is connected to this pump, and tubes 36, 36 are connected to this hose via a branch pipe (not shown) as shown in FIG. As shown in FIG. 3, a connection tool 37 is connected to these tubes 36, 36, and the shafts 24, 24 are connected to the connection tool 37. The connector 37 has an end connected to the shafts 24, 24 rotatable with respect to the main body, so that the shafts 24, 24 can freely move in the bearings 20a, 20b without being restrained by the connector 37. It can be rotated.
In addition, the primer reservoir 33, the hoses 34 and 35, the pump, the hose, the branch pipe, the tubes 36 and 36, and the connector 37 constitute the primer supply section 15 of the present invention. Then, the primer stored in the primer reservoir 33 by such a primer supply unit 15 is sent into the shafts 24, 24 via the tubes 36, 36 by the pump, and further passes through the shaft 24, and the roller unit 25, 25 soaks on the outer surface.
[0016]
In order to apply the primer to both side surfaces of the core material 1 by the primer application device 10 having such a configuration, the core material 1 is placed thereon while the conveyor 32 is operated as shown in FIG. In this case, it goes without saying that the surface on which the primer is applied is turned sideways. Then, the core material 1 is conveyed into the box 30 by the conveyor 32, guided between the cutting rollers 31, 31, where both surfaces thereof are cut, and the tip side thereof is sent into the guide plates 29, 29. The core 1 sent into the guide plates 29, 29 is further conveyed by the conveyor 32, and is pushed out by the core 1 newly placed on the conveyor 32, thereby coming out of the box 30 and exiting from the box 30. It is fed between the application rollers 12a and 12b.
[0017]
When the core material 1 is fed between the application rollers 12a and 12b, the application rollers 12a and 12b open so as to be substantially at the same interval as the width of the core material 1 against the urging force of the urging spring 21, and As the material 1 passes, it rotates due to the friction. At this time, since the application rollers 12 a and 12 b press the side surfaces of the core material 1 by the biasing springs 21, the primer sent from the primer reservoir 33 by the pump is applied to the side surfaces of the core material 1 by the respective roller portions 25. Is transferred and applied. Then, a new core material 1 is fed from the core material feeding unit 13, and the core material 1 between the application rollers 12 a and 12 b is pressed, whereby the previous core material 1 is moved from between the application rollers 12 a and 12 b. It is extruded and sent onto a conveyor 38 in FIG.
[0018]
In order to apply the primer to one side surface of the core material 1 for the floor panel, the air cylinder 23 is operated to rotate the application roller 12b outward as shown by the solid line in FIG. Then, the application roller 12a is pulled by the urging spring 21, and rotates to a position where the arm 19a contacts the stopper 22. Then, in this state, the core material 1 is sent out by the core material feeding section 13 so that the primer is applied only to the application roller 12a side. Although only one side surface of the core material 1 is pressed by the application roller 12a, its running path is shifted to a position where it does not contact the roller portion 25 because the guide plates 29, 29 restrict both sides thereof. There is no.
The core material 1 thus applied with the primer is assembled in a frame shape, then an adhesive (curing agent) is applied thereto, and a surface material is further bonded thereon and pressed. Panelized.
[0019]
In such a primer coating device 10, the primer can be automatically applied to both sides or one surface of the core 1, and the primer is applied to the core 1 from the application rollers 12 a and 12 b. The excess primer that falls without being collected is collected in the primer receiver 33 and circulated to the application rollers 12a, 12a, so that waste of the primer can be almost eliminated.
Further, since a cutting device that cuts the side surface of the core material is used as the core material feeding unit 13 and the conveyor 32 is also used as a feeding mechanism for the core material 1, a feeding mechanism independent of the primer coating device 10 is provided. This is unnecessary, and the overall configuration of the apparatus is simplified.
[0020]
In the above-described embodiment, as the core material feeding unit 13, the conveyor 32 of the device for cutting both side surfaces of the core material 1 is also used. However, the present invention is not limited to this, and simply provides a dedicated conveyor. It may be a core feeding section.
Further, although the stopper 22 and the air cylinder 23 are provided to enable the single-side coating as well as the double-side coating of the core material 1, the stopper 22 and the air cylinder 23 are not provided, and therefore, a device dedicated to the double-side coating may be used.
[0021]
【The invention's effect】
As described above, the primer coating device according to claim 1 of the present invention sets the interval between the application rollers to be smaller than the width of the core material in advance, so that the core material fed from the core material feeding unit can be used. Since the primer can be automatically applied to both side surfaces, productivity can be improved. In addition, since excess primer that falls from the application roller without being applied to the core material is collected in the primer receiver and circulated to the application roller, the waste of the primer is almost eliminated, thereby reducing production costs. Can be reduced.
In the primer coating device according to the second aspect, the other arm is held in a state of being turned outward, and the other arm is prevented from turning further inward by the regulating member, such as for floor panels. As described above, it is possible to easily cope with the case where it is desired to apply the primer to only one side of the core material.
The primer coating device according to claim 3 uses a cutting device that has a pair of cutting rollers and cuts both side surfaces of the core material as a core material feeding portion, and the feeding portion is used as a core material feeding mechanism. Since they are also used, an independent feeding mechanism is not required in the primer coating device, and the overall configuration of the device can be simplified.
[Brief description of the drawings]
FIG. 1 is a side view showing a schematic configuration of an embodiment of a primer coating apparatus according to the present invention.
FIG. 2 is a perspective view of a main part of the primer device shown in FIG.
FIG. 3 is a side sectional view showing a schematic configuration of an application roller.
FIG. 4 is a plan view showing a schematic configuration of a primer coating device.
FIG. 5 is a plan view for explaining the operation of the application roller.
FIG. 6 is a schematic configuration diagram of a wall panel.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Core material 10 Primer coating device 11 Base (base)
12a, 12b Application roller 13 Core material feeding part 14 Primer receiving part 15 Primer supply part 19a, 19b Arm 21 Urging spring 22 Stopper (restriction member)
23 air cylinder (holding means)
31 Cutting roller 32 Conveyor (feed unit)

Claims (3)

A device for applying a primer to the side of the core material,
A pair of arms rotatably supported on the base, a pair of application rollers attached to these arms, a core material feeding section for feeding a core material between these application rollers, and a pair of arm members arranged below the application rollers. Primer receiving, comprising a primer supply unit for supplying the primer receiving the primer to the coating roller,
Between the pair of arms, there is provided an urging member for urging the application rollers attached to each of the arms in a direction to approach each other,
In a state where there is no core between the application rollers, the interval between the application rollers is set to be smaller than the width of the core,
A pair of guide plates for guiding the core material to be fed between the coating rollers to the coating roller are arranged in parallel, and the guide plate has a leading end located almost immediately before the coating roller and a rear end thereof. A primer coating apparatus characterized in that the side is located in a core material feeding section . A device for applying a primer to the side of the core material,
A pair of arms rotatably supported on the base, a pair of application rollers attached to these arms, a core material feeding section for feeding a core material between these application rollers, and a pair of arm members arranged below the application rollers. Primer receiving, comprising a primer supply unit for supplying the primer receiving the primer to the coating roller,
Between the pair of arms, there is provided an urging member for urging the application rollers attached to each of the arms in a direction to approach each other,
The base has a regulating member that regulates rotation of one arm of the pair of arms toward the inside, and a holding unit that holds the other arm in a state where the arm is rotated outside is provided.
The rotation of the one arm inward is regulated by the regulating member, so that the application roller attached to the one arm is held at a position in contact with a side surface of the core material. And a primer coating device. 2. The primer coating apparatus according to claim 1, wherein the core material feeding section includes a pair of cutting rollers and a feeding section for feeding a core material between the cutting rollers.

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