JP6543552B2 - Resin coating equipment - Google Patents

Description

The present invention relates to a resin coating apparatus for providing a resin layer by spraying a curable resin onto an object.

Conventionally, for the purpose of waterproofing or reinforcement, there is a treatment of spraying a curable resin onto a roof, a site or a structure to provide a resin layer, and a spray gun as described in Patent Document 1 is used for the treatment. It was The worker holds the spray gun and sprays the curable resin toward the object.

JP 9-24308 A

However, in an operation performed by a worker with a spray gun, uniform spraying of the curable resin can not be stably performed, and a problem arises in that the thickness of the resin layer formed on the target object varies. It was One of the causes of this problem is considered to be because the blowoff angle of the curable resin of the spray gun relative to the object is not fixed.
This invention is made in view of such a situation, and it aims at providing the resin coating device which controls the variation in the thickness of the resin layer formed in a subject.

A resin coating apparatus according to the present invention in accordance with the above object is a resin coating apparatus for spraying a curable resin onto an object from a nozzle portion, and a nozzle guide for guiding the nozzle portion along a virtual straight line L1 and a driving force A first drive source for moving the nozzle portion along the virtual straight line L1, a guide member for guiding the nozzle guide along a virtual straight line L2 not parallel to the virtual straight line L1, and a driving force A second drive source for moving the nozzle guide, a support for supporting the guide member in a state of being placed on the object, and a laser beam is applied to the object to planarize the curable resin And a light irradiating means for indicating a range to which the curable resin can be sprayed .

In the resin coating device according to the present invention, the support preferably has a wheel rolling on the object.

In the resin coating device according to the present invention, the support is preferably a self-propelled vehicle body.

In the resin coating device according to the present invention, it is preferable that the imaginary straight lines L1 and L2 be arranged horizontally with the support placed on a horizontal surface.

In the resin coating device according to the present invention, it is preferable to further include a cover for preventing the curable resin blown out from the nozzle portion from scattering around.

In the resin coating device according to the present invention, it is preferable to further include a mounting member which is attached to a person and allows the nozzle portion, the nozzle guide and the guide member to move together with the person.

The coating apparatus according to the present invention includes a nozzle guide for guiding the nozzle portion along the virtual straight line L1, a first drive source for moving the nozzle portion along the virtual straight line L1, and a nozzle guide for the non-virtual straight line L1. Since the guide member guided along the parallel virtual straight line L2 and the second drive source for moving the nozzle guide are provided, the nozzle portion is maintained in a state in which the spray angle of the curable resin on the object is maintained at a constant value. It can be made to move, and variation in thickness of the resin layer formed on the object can be suppressed.

It is a top view of the resin coating device concerning one embodiment of the present invention. It is a side view of the resin coating device. It is a block diagram showing connection of each drive source.

Next, embodiments of the present invention will be described with reference to the attached drawings for understanding of the present invention.
As shown in FIGS. 1 and 2, a resin coating apparatus 10 according to an embodiment of the present invention is an apparatus for spraying a curable resin onto an object T from a nozzle section 11, and the nozzle section 11 is an imaginary straight line L1. A nozzle guide 12 for guiding along and a guide member 13, 13a for guiding the nozzle guide 12 along a virtual straight line L2 which is not parallel to the virtual straight line L1. The details will be described below.

The object T onto which the curable resin is sprayed by the resin coating apparatus 10 is a structure, and it is the horizontal area and the slope area of the structure that are actually sprayed.
The resin coating apparatus 10 is provided with four pillars 14 spaced apart as shown in FIGS. 1 and 2. The four pillars 14 are respectively disposed on the front left and right and the rear left and right, and each pillar 14 is connected to the other two pillars 14 by a cross member 15 respectively. In the present embodiment, four horizontal members 15 are provided, and the horizontal members 15 connect central portions of adjacent pillars 14 to each other.

The wheels 16 rolling on the object T are attached to the lower portions of the pillars 14 provided on the front left and right, and the objects T on the lower side of the pillars 14 provided on the rear left and right. A rolling wheel 17 is attached. The wheel 16 is a drive wheel driven by the operation of the motor 18 shown in FIG. 3 and is attached to the column member 14 in a state in which the rolling direction can be changed. The wheel 17 is a driven wheel, and is attached to the column member 14 in a state where the rolling direction is fixed.

The upper sides of the front left and right pillars 14 are connected by bars 19 as shown in FIG. 1, and the upper sides of the rear left and right pillars 14 are connected by bars 20.
In the present embodiment, the support 21 is mainly configured by the four columns 14, the four horizontal members 15, the two wheels 16, the two wheels 17, and the rods 19 and 20. In the present embodiment, the support 21 is a self-propelled vehicle body that supports the guide members 13 and 13a in a state of being placed on the object T.

As shown in FIG. 1 and FIG. 2, the long guide member 13 connected to the upper side of the left rear pillar 14 is connected to the upper side of the left front pillar 14, and on the upper side of the right front pillar 14. A long guide member 13a connected to the upper side of the right rear pillar 14 is connected. The guide members 13 and 13a are disposed in the front-rear direction (i.e., horizontally disposed) with the support 21 resting on the horizontal area (i.e., the horizontal surface) of the object T.
It will be.
The following description will be made on the assumption that the support 21 is placed on the horizontal area of the object T, unless otherwise stated.

Attached to the guide members 13 and 13a is a rod-like nozzle guide 12 disposed in the left-right direction (i.e., horizontal).
A slide block 22 movably mounted to the guide member 13 and a slide block 22 a movably mounted to the guide member 13 a are fixed to the left and right of the nozzle guide 12, respectively. A motor 23 (an example of a second drive source) shown in FIGS. 1 and 3 is fixed to the guide member 13, and pulleys (not shown) are rotatably attached to the front and back of the guide member 13.

A timing belt 24 shown in FIG. 1 for transmitting the driving force applied from the motor 23 through the rear pulley to the slide block 22 is stretched over the front and rear pulleys. In FIG. 2, the description of the motor 23 and the timing belt 24 is omitted.
Therefore, the nozzle guide 12 moves with the slide blocks 22 and 22a in the arrangement direction of the guide members 13 and 13a, that is, in the front-rear direction by the operation of the motor 23. In the present embodiment, as shown in FIG. 1, an imaginary straight line L2 is disposed in the arrangement direction of the guide members 13 and 13a.

Therefore, the guide members 13 and 13a guide the nozzle guide 12 along the virtual straight line L2, and the motor 23 applies a driving force to move the nozzle guide 12 along the virtual straight line L2.
The motor 23 is connected to an operation unit (operation panel) 25 connected to the motor 18 as shown in FIGS. 1 and 3, and the start and stop of the operation are controlled by the input operation performed on the operation unit 25. .

The rotation directions of the motors 18 and 23 are switchable, and the rotation directions are switched by an input operation to the operation unit 25. The rolling directions of the left and right wheels 16 are adjusted by the input operation to the operation unit 25. .
The nozzle guide 12 advances or retracts relative to the support 21 in accordance with the rotational direction of the motor 23. The support 21 moves forward or backward on the object T in accordance with the rotation direction of the motor 18, and the traveling direction is adjusted by changing the rolling direction of the left and right wheels 16.

Further, as shown in FIG. 1 and FIG. 2, the nozzle portion 11 for blowing the curable resin is attached to the nozzle guide 12.
The nozzle portion 11 has a header 27 connected via a tube 26 to a tank (not shown) for storing a curable resin, and a slide block 28 connected to the header 27 and movably mounted to the nozzle guide 12 There is. The header 27 is attached to the slide block 28 in such a configuration that the curable resin is sprayed downward toward the object T. The tube 26 is supported by a support 26 a fixed to the bar 20 as shown in FIG. 2. In FIG. 1, the description of the tube 26 is omitted.

In the present embodiment, two reservoirs are provided in the tank, and liquid polyisocyanate and liquid polyamine are stored in each of the reservoirs. The polyisocyanate and the polyamine in the tank travel through the two flow paths provided in the tube 26 respectively by the operation of the pump 29 shown in FIG. 3 attached to the tank, and after being mixed in the header 27, from the header 27 It is blown out toward the object T. Therefore, in the present embodiment, the curable resin blown out from the header 27 is a mixture of polyisocyanate and polyamine.
Since the polyisocyanate and the polyamine are cured by being mixed, the curable resin blown out in a liquid state from the header 27 is sprayed with the object T, and then hardens with the passage of time, and the surface of the object T Form a cured resin layer.

As shown in FIGS. 1 and 3, a motor 30 (an example of a first drive source) connected to the operation unit 25 is fixed to the nozzle guide 12, and pulleys (not shown) are provided on the left and right of the nozzle guide 12. Each is rotatably attached. On the left and right pulleys, a timing belt 31 shown in FIG. 1 for transmitting the driving force applied from the motor 30 through the left pulley to the slide block 28 is stretched.

The nozzle portion 11 moves in the arrangement direction of the nozzle guide 12 with respect to the support 21 by the operation of the motor 30. In the present embodiment, as shown in FIG. 1, the virtual straight line L1 is disposed in the left-right direction, which is the arrangement direction of the nozzle guide 12. Therefore, the motor 30 applies a driving force to move the nozzle portion 11 along the virtual straight line L1, and the nozzle guide 12 guides the nozzle portion 11 along the virtual straight line L1. The virtual straight lines L1 and L2 are disposed horizontally and are orthogonal to each other in plan view.
The motor 30 is switchable in rotational direction, and the input operation performed on the operation unit 25 controls start and stop of operation and switching of the rotational direction. The nozzle portion 11 moves left or right along the nozzle guide 12 according to the rotation direction of the motor 30.

Further, as shown in FIG. 1, the guide members 13 and 13a have areas projecting rearward from the bar 20, and in the respective areas projecting rearward from the bar 20 of the guide members 13 and 13a, the worker P One side and the other side of the attachment 32 attached to (person) are respectively connected. In the present embodiment, the mounting tool 32 is a belt that can be attached to the waist of the worker P, but it goes without saying that the present invention is not limited to this.

The mounting tool 32 is mounted on the worker P so that the nozzle portion 11, the nozzle guide 12, the guide members 13, 13a and the support 21 can be moved together with the worker P, and the mounting tool 32 is mounted With the movement of the worker P, the nozzle portion 11, the nozzle guide 12, the guide members 13 and 13a, and the support 21 move integrally with the worker P.
When the worker P moves the nozzle portion 11, the nozzle guide 12, the guide members 13 and 13a, and the support body 21, as shown in FIG. When the worker P moves, the left and right wheels 16 may be free or may be driven according to the movement of the worker P by an input operation to the operation unit 25.

Note that instead of the support 21 having the left and right wheels 16 and the left and right wheels 17, a support obtained by removing the left and right wheels 17 from the support 21 may be employed, in which case the movement of the support is It is performed in the state which the worker P floated the pillar material 14 of the rear right and left. Moreover, it is also possible to employ | adopt the support body which remove | eliminated the wheel 16 on either side and the wheel 17 on either side from the support body 21, and in that case, a movement of a support body will be performed by human power.

The operator P can drive and rotate the left and right wheels 16 and move the support 21 by the operation on the operation unit 25 even in the state where the mounting tool 32 is not attached. In this case, the worker P can change the moving direction of the support 21 by switching the rotation direction of the motor 18 or the rolling direction of the left and right wheels 16.

Next, the method to spray curable resin on the target object T using the resin coating apparatus 10 is demonstrated.
First, the worker P causes the support 21 to move on the object T by his own movement or by the driving force of the left and right wheels 16, and stops the support 21 at the position where the curable resin is sprayed. Then, the operator P operates the motor 23 by the input operation to the operation unit 25 to move the nozzle guide 12 to the foremost position. Thereafter, the operator P operates the pump 29 and the motor 30 by the input operation to the operation unit 25 to spray the curable resin downward from the header 27 toward the object T while the nozzle portion 11 is the nozzle guide 12. Move along

The nozzle portion 11 may be reciprocated once or a plurality of times along the nozzle guide 12 or may be moved only once from the right end to the left end (or from the left end to the right end). In the present embodiment, the moving speed of the nozzle unit 11 and the amount of the curable resin blown out from the header 27 per unit time can be adjusted by the input operation from the operation unit 25.
After the spraying of the curable resin in the state in which the nozzle guide 12 is disposed at the foremost position is completed, the operator P moves the motor 23 by the input operation to the operation unit 25 to retract the nozzle guide 12. Then, the worker P stops the nozzle guide 12 and sprays the curable resin from the header 27 onto the target T while moving the nozzle unit 11 along the nozzle guide 12.

Retraction of the nozzle guide 12 and spraying of the curable resin onto the object T performed while moving the nozzle portion 11 along the nozzle guide 12 are repeated, and the target of the curable resin at the position where the nozzle guide 12 is retracted most When spraying on the object T is completed, the planar application of the curable resin to the object T at the position at which the support 21 has been stopped is completed. The position of the nozzle guide 12 when the curable resin is sprayed first does not have to be the foremost position. For example, the curable resin may be sprayed from the position where the nozzle guide 12 is most retracted. Needless to say.
After finishing the spraying of the curable resin to the object T at the position where the support 21 has been stopped, the operator P moves the support 21 to harden the new region of the object T. Spray the resin.

Here, as shown in FIG. 1, a laser pointer (an example of a light irradiation means) 33 is attached to each of the guide members 13 and 13a, and two bar pointers 19 (an example of a light irradiation means) Are mounted at intervals. The laser pointers 33 and 34 irradiate a laser beam downward, and apply a laser beam to the object T to indicate a range in which the curable resin can be sprayed. For this reason, the worker P can easily know the spray range of the curable resin by looking at the laser light applied to the object T.

As shown in FIG. 3, the two laser pointers 33 and the two laser pointers 34 are connected to the operation unit 25, and start or stop the irradiation of the laser light by the input operation to the operation unit 25.
Further, as shown in FIG. 2, a cover body 35 is attached to the guide members 13 and 13 a and the support body 21 for preventing the curable resin blown from the header 27 from scattering around.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the above-mentioned form, The change of the conditions which do not deviate from a summary, etc. are all the application scopes of this invention.
For example, the guide members do not have to be two or have a bar-like shape, and they do not necessarily have to be along the front-rear direction.
In addition, the nozzle guide does not have to be in the shape of a rod, and need not be disposed in the left-right direction.
The virtual straight lines L1 and L2 need not be orthogonal to each other, and may be nonparallel. In addition, the virtual straight lines L1 and L2 may not be arranged horizontally with the support placed on the horizontal surface.
Furthermore, the light irradiation means and the cover body are not necessarily required.

In addition, the curable resin may be any resin that cures after being sprayed in liquid form to the object, and does not need to be a mixture of polyisocyanate and polyamine. Furthermore, it is not a mixture of a plurality of liquids. May be
The operation unit is not required to be attached to the support, and may be capable of remotely controlling the traveling of the support and the blowout of the curable resin.
Furthermore, the object to which the curable resin is sprayed is not limited to the structure.
Alternatively, all wheels provided on the support may be driven wheels, a self-propelled vehicle may be connected to the resin coating device, and the resin coating device may be moved by traveling of the self-propelled vehicle.

10: resin coating device, 11: nozzle portion, 12: nozzle guide, 13, 13a: guide member, 14: pillar member, 15: horizontal member, 16, 17: wheel, 18: motor, 19, 20: rod member , 21: support, 22, 22a: slide block, 23: motor, 24: timing belt, 25: operating unit, 26: tube, 26a: support, 27: header, 28: slide block, 29: pump, 30 : Motor, 31: Timing belt, 32: Mounting tool, 33, 34: Laser pointer, 35: Cover body, L1, L2: Virtual straight line, T: Target, P: Worker

Claims (6)

A resin coating apparatus for spraying a curable resin onto an object from a nozzle portion, comprising:
A nozzle guide for guiding the nozzle portion along a virtual straight line L1;
A first drive source that applies a drive force to move the nozzle unit along the virtual straight line L1;
A guide member for guiding the nozzle guide along a virtual straight line L2 which is not parallel to the virtual straight line L1;
A second drive source for applying a drive force to move the nozzle guide ;
A support for supporting the guide member in a state of being placed on the object;
A resin coating device , comprising: a light irradiation unit for applying a laser beam to the object to apply the curable resin in a planar shape and showing a range in which the curable resin can be sprayed . The resin coating device according to claim 1 , wherein the support includes a wheel rolling on the object. The resin coating device according to claim 2 , wherein the support is a self-propelled vehicle body. The resin coating device according to any one of claims 1 to 3 , wherein the virtual straight lines L1 and L2 are horizontally disposed in a state where the support is placed on a horizontal surface. The resin coating device according to any one of claims 1 to 4 , further comprising a cover body for preventing the curable resin blown out from the nozzle portion from scattering around. Coating equipment. The resin coating device according to any one of claims 1 to 5 , further comprising: a mounting member attached to a person for moving the nozzle portion, the nozzle guide and the guide member together with the person. Resin coating equipment characterized by

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