JP3002194B1 - Method and apparatus for attaching film to concrete form dam - Google Patents

Abstract

An object of the present invention is to provide a method and an apparatus capable of attaching a film to a side end face and front and rear end faces in addition to an upper face of a concrete form dam plate with one apparatus. It is another object of the present invention to provide a means for continuously attaching a film to a concrete form dam. SOLUTION: On a surface of a concrete form dam board 1 conveyed in one direction, a film F is projected from front and rear edges and side edges of the concrete form dam board 1 in a length direction and a width direction, respectively. It is supplied in a state having a surplus length, is pressed by the pressurizing mechanism 9 and is attached to the upper surface, and then the surplus length in the width direction of the film F is guided and pressed by the side rollers 12 to thereby press the concrete form dam. It is bonded to the side end surface of the plate 1 and the front and rear contact plates 14 and 15 provided in front and rear in the traveling direction of the concrete form dam 1 are pressed against the front end surface and the rear end surface of the concrete form dam 1. And glue.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for affixing a film to a concrete form dam used when manufacturing a concrete structure.

[0002]

2. Description of the Related Art Various types of concrete structures are formed by placing concrete in a concrete form. A concrete form used at this time includes a plurality of wooden plates. What connects the dam boards for concrete forms is widely used. Conventional dams for concrete formwork are often used without any processing on the surface in contact with the concrete, that is, the molding surface of the concrete, which directly damages the concrete molding surface and is used repeatedly. The number of possible times was limited to three or four.

For this reason, recently, a dam for concrete formwork which has been processed by applying a urethane resin or the like to a concrete molding surface or attaching a film thereto has been used. Of these, the number of times that the film can be repeatedly used in the concrete form dam to which the film is attached is greatly increased. Particularly, when the film is attached to the side face and the front and rear end faces in addition to the concrete molding surface, 10 times. It can be used more than once. Further, in this method,
Even if the film affixed to the concrete molding surface is damaged and cannot be used as a concrete formwork dam, the concrete molding surface itself has not been damaged. Will be able to use it. Also,
Since the concrete molding surface is formed smoothly by sticking the film, the concrete molding surface can be easily peeled off from the surface of the concrete structure, and the concrete structure can be easily removed from the surface of the concrete structure. Condition becomes smooth.

[0004]

By the way, most of the conventional devices for sticking a film to this type of formwork dam are those that stick the film only to the upper surface, and again to the side end surface or the front and rear end surface. When sticking the film,
Further, it is necessary to attach the film to the side end face and the front and rear end faces in a separate step, which causes a problem that the production efficiency is low and the installation area of the apparatus is large. The present invention has been made in view of the above circumstances, and is not limited to the upper surface of the formwork in one device, the film to the concrete form weir plate that can be attached to the side end surface and the front and rear end surfaces. It is an object of the present invention to provide an attaching method and an apparatus therefor, and an object of the present invention is to provide means for continuously attaching a film to a dam for a concrete formwork.

[0005]

Means for Solving the Problems In the method and apparatus for attaching a film to a dam for concrete formwork of the present invention, the following means are employed to solve the above-mentioned problems. That is, in the method of attaching a film to the concrete form dam, the concrete form dam is continuously conveyed in one direction while being moved along the upper surface of the concrete form dam. In addition, a strip-shaped film is supplied with an extra length in the width direction so as to protrude from the side edge of the concrete form dam, and the film is attached to the upper surface of the concrete form dam. Attaching and guiding the excess length in the width direction of the film to the side end surface of the concrete form dam plate by a side roller, and pressing the rear end surface of the concrete form dam plate conveyed in advance to the rear end surface. The film is cut while being conveyed integrally with the concrete form dam plate in a state where the film has an extra length in the length direction that protrudes from the front end face of the concrete form form dam plate. Weir plate The front and rear end faces are pressed by the abutment plates before and after being respectively advanced to the conveyance path of the concrete form dam plate with the extra length of the film interposed therebetween, and the extra length of the film is used for the concrete formwork. It is characterized in that it is attached to the front end face and the rear end face of the weir plate.

In this method of attaching a film to a concrete form dam, the extra length in the length direction and the width direction of the film adhered on the upper surface of the concrete form dam is both end faces of the concrete form dam. And the front and rear end faces. Further, the film can be stuck to the concrete formwork dam plate while being continuously conveyed.

In the apparatus for attaching a film to a concrete form dam, the concrete form dam is held in a substantially horizontal state and the concrete form dam is sequentially and continuously moved in one direction. And a belt-like film having an adhesive layer formed on one surface thereof and formed wider than the width dimension of the concrete formwork dam plate on the upper surface side of the concrete form dam plate. A film supply mechanism for supplying the concrete form weir plate with a margin in the width direction so as to protrude from a side edge of the concrete form weir plate, and a film supplied to the upper surface side of the concrete form weir plate. A pressurizing mechanism for applying pressure to the upper surface side and adhering the film to the upper surface of the concrete form dam with the adhesive layer. To A conveying mechanism control means for adjusting the interval between the concrete form dams to be conveyed continuously to a predetermined size; and A side roller that presses while contacting the extra length in the width direction of the film protruding from the side edge of the weir plate to the side end surface of the concrete form dam plate, and the conveying direction with respect to the pressing mechanism; It is arranged so as to be located in front, and the extra length in the length direction protruding from the rear end face of the concrete form dam board and the front end face of the succeeding concrete form dam board which are conveyed in advance, respectively. A cutting mechanism for cutting the film while conveying the film integrally with the concrete form dam plate, and a conveying path of the concrete form dam plate forward in the conveying direction with respect to the cutting mechanism. Make it easy to advance and retreat The contact plate before and after the concrete form weir plate is pressed and attached to the front and rear end surfaces of the concrete form weir plate with the extra length in the length direction of the film protruding from the front and rear end surfaces of the concrete form weir plate. It is characterized by comprising.

In this film sticking apparatus for a concrete form dam, the concrete form dam is sequentially adjusted in a state where the interval in the conveying direction is adjusted to a predetermined size by the conveying mechanism controlled by the conveying mechanism control means. Conveyed continuously. Also, a film is supplied from the film supply mechanism in a state where the concrete form weir plate has an extra length in the width direction protruding from the side edge thereof, and the film is pressed to the upper surface side by the pressure mechanism. Then, it is attached to the upper surface of the concrete form dam. Then, the extra length in the width direction of the film is adhered to the side end surface of the concrete form dam plate while being guided by the side rollers. Further, in a state in which a surplus length in the length direction protruding from the rear end face of the concrete form dam board and the front end face of the succeeding concrete form dam board which is conveyed in advance by the cutting mechanism, respectively. The film is cut while being conveyed, and the surplus length in the length direction is moved forward and backward to the conveyance path of the concrete form dam board so that it can be retracted before and after the concrete form dam board. It is pressed and attached to the end face. By the film sticking apparatus for the concrete form dam board configured in this way, the film is stuck not only on the upper face of the concrete form dam board but also on the side end face and the front and rear end faces, and the concrete form dam board is used. The film can be attached to the weir plate while being continuously transported.

According to a third aspect of the present invention, in the apparatus for attaching a film to a concrete form dam, the cutting mechanism is synchronized with the concrete form dam in the direction in which the concrete form dam is conveyed. A sliding part to be moved
Cutting means for cutting the film attached to the slide portion so as to be movable in a direction perpendicular to the transport direction, and after cutting the film by the cutting means,
A pull-back means for pulling back the slide portion to a position before the movement.

In this apparatus for attaching a film to a concrete form dam, the film to be attached to the concrete form dam is attached to a slide section which is moved in the transport direction in synchronization with the concrete form dam. As a result, the film moving in the transport direction is cut by cutting means that is relatively stationary. Also, since the cutting means cuts the film from one side end thereof, the film and the cutting means can be brought into a point contact, and the cutting means concentrates the cutting force of the film on one point of the film to act on the film. Can be effectively cut. Further, the slide portion that is slid in the transport direction for cutting the film is slid for cutting the film, and then is returned to the original position where it is slid by the pull-back portion to be ready for the next cutting of the film.

According to a fourth aspect of the present invention, there is provided an apparatus for attaching a film to a dam for a concrete formwork.
Pressing which is arranged so as to be able to protrude toward the concrete form dam, and moves the slide portion in the transport direction together with the concrete form dam by pressing the concrete form dam. An engagement means is provided. In this device for attaching a film to the concrete form dam, the press engaging means, which is arranged so as to be able to protrude from the frame forming the slide portion, is pressed against the concrete form dam, so that the press engaging means and the concrete The frictional force generated between the concrete form dam plate and the concrete form dam plate and the slide portion are integrally moved. Thus, the cutting means can be moved in synchronization with the concrete form dam plate without using special power.

In the apparatus for affixing a film to a concrete form dam plate according to claim 5, the front and rear contact plates are conveyed forward of the cutting mechanism in the conveying direction. The extra length in the longitudinal direction of the film protruding from the front and rear end faces of the form dam board is guided along the front and rear end faces, respectively, to advance into the conveyance path of the concrete form dam board. Contact plate advancing means, and the front and rear end faces of the concrete form dam wedged with the extra length in the length direction of the film guided along the front and rear end faces of the concrete form dam wedged As the extra length in the length direction of the film is sandwiched by the front and rear contact plates and attached to the front and rear end faces,
And a contact plate pressing and moving means for pressing and moving one of the front and rear contact plates toward the other.

[0013] In this device for attaching a film to the concrete form dam, the front and rear contact plates are provided with the contact plate advancing means to add the extra length in the longitudinal direction of the film to the front and rear end surfaces of the concrete form dam. Into the conveying path of the concrete form dam board so as to guide along the end face of the concrete formwork. In this state, the front and rear contact plates are pressed against the front and rear end surfaces of the concrete form dam by the contact plate pressing moving means, and the extra length in the longitudinal direction of the film is attached to the front and rear end surfaces. .

According to a sixth aspect of the present invention, in the apparatus for affixing a film to a concrete form dam, the side roller is disposed on a side of a film transport path in accordance with the width of the concrete form dam. The position adjustment in the direction orthogonal to the transport direction is arranged so that at least one of the front and rear contact plates is aligned with the length of the concrete form dam plate. It is characterized by being arranged movably along the transport direction of the transport mechanism so that the distance between the plates can be adjusted. In this device for attaching a film to a concrete form dam, the side rollers and the front and rear contact plates are arranged so that their positions can be adjusted according to the dimensions of the concrete form dam, so that any size is possible. The film can be attached to the concrete form dam plate.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIGS. 7A to 7C
1 is a view showing a concrete form dam plate 1 to which a film is to be attached by a method and an apparatus according to the present invention. As described above, the concrete form dam plate 1 is provided with the crosspieces 2, 2, 3, 3, 4, 4 on one surface of the rectangular plate-like plate 1a.
Are fixed. 1 to 6 show:
It is a figure showing an embodiment of the present invention, and supplies a plurality of dams 1 for concrete formwork in order, and sticks film F to these dams 1 for concrete formwork. FIG. 3 is a view showing an attaching device 5. In addition, the film F is formed of polypropylene, and is formed on one surface thereof and is attached to the concrete form dam plate 1 by an adhesive layer which is melted by heating to generate an adhesive force. is there.

As shown in FIG. 1, a film sticking apparatus 5 for a concrete form dam is held in a substantially horizontal state while holding the concrete form dam 1 in one direction. , A preheating heater 7 disposed above the conveyance mechanism 6 and heating the upper surface of the concrete form dam plate 1 to improve the adhesion of the film F, and a preheating heater 7, a strip-shaped film F formed wider than the width of the concrete form dam 1 is placed on the upper surface side of the concrete form dam 1 for the concrete form. A film supply mechanism 8 for supplying a surplus length in the width direction so as to protrude from the side edge of the weir plate 1, and a film F supplied to the upper surface side of the concrete form dam plate 1 is used as a concrete mold. Pressure is applied to the upper surface side of the frame dam 1 And a pressure mechanism 9 to be attached to the upper surface of the sheathing board 1 for concrete formwork the film F by the adhesive layer Te.

The film sticking device 5 for the concrete form dam is controlled by the transfer mechanism 6 to adjust the transfer speed of the concrete form dam 1 and to control the transfer mechanism 6. A transport mechanism control means 11 for adjusting the interval between the concrete form dams 1 to be transported continuously to a certain size, and a transport mechanism control means 11 disposed on the side of the transport path of the film F,
A side roller 12 that presses while contacting the excess length in the width direction of the film F protruding from the side edge of the concrete form dam 1 to the side end surface of the concrete form dam 1, and a pressing mechanism 9 Are disposed so as to be located forward in the transport direction with respect to and project from the front end face of the concrete form dam board 1 and the front end face of the succeeding concrete form dam board 1 that are conveyed in advance. A cutting mechanism 13 that cuts the film while conveying the film integrally with the concrete form dam 1 with an extra length in the direction, and a cutting mechanism 13 that is located forward of the cutting mechanism 13 in the conveyance direction and is The extra length in the longitudinal direction of the film F, which is disposed so as to be able to advance and retract in the conveyance path of the weir plate 1 and protrudes from the front and rear end surfaces of the weir plate 1 for concrete form, is set to Front contact plate to be pressed and attached to the end face It has 4 and a rear contact plate 15. In addition, the above-mentioned film supply mechanism 8, pressurization mechanism 9, transporter direction control unit 11, side roller 12, and cutting mechanism 13
Are unitized to form a processed portion 16 as shown in FIG.

The transport mechanism 6 includes the concrete form dam 1
Is transported forward of the transport mechanism 6, that is, from left to right in FIGS. 1 to 3, 5, and 6, and is configured as a roller conveyor having a plurality of rollers. The transport mechanism 6 has the following rollers in addition to the rotatable free rollers 20 arranged in the length direction. The concrete form dam plate 1, which is driven by a motor (not shown) whose operation is controlled by the transfer mechanism control means 11 and is continuously supplied onto the transfer mechanism 6, is connected to the film supply mechanism 8 and the pressure mechanism 9. It also has a supply control roller 21 that conveys and supplies to the side where is disposed. The concrete form dam 1 disposed between the supply control roller 21 and the pressurizing mechanism 9 so as to be located above the conveying path of the concrete form dam 1 and conveyed by the conveying roller 16 is moved to the It also has a guide roller 22 that guides under the pressure mechanism 9 while pressing the upper surface.

The lower surface of the concrete form dam plate 1 which is disposed forward of the guide roller 22 in the transport direction and below the pressing mechanism 9 and is pressed downward by the pressing mechanism 9 is supported. And a pressing force support roller 23 that conveys the sheet forward in the conveying direction. Pressing and engaging means 54 provided at the cutting mechanism 13 so as to be positioned below the cutting mechanism 13 in the transport direction forward with respect to the pressing force supporting roller 23.
It also has a pressing force support roller 24 that transports forward in the transport direction while supporting the lower surface of the concrete form dam 1 whose upper surface is pressed by (described below). Pressing force support roller 24
And the side rollers 12 disposed forward in the transport direction with respect to the pressing force support roller 24, and are disposed so as to form a pair above and below the transport path, and in the vertical direction of the concrete form dam plate 1. The upper surface supporting roller 25 and the lower surface supporting roller 26 that limit the displacement of the upper and lower rollers are also provided.

The concrete formwork is disposed so as to be positioned forward of the upper and lower supporting rollers 25 and 26 in the conveying direction, and is driven by a motor (not shown) whose operation is controlled by the conveying direction controller 11. Weir plate 1 is transported toward the front and rear contact plates 14 and 15, and the concrete form dam plate 1 with the film F attached to the front and rear end faces by the front and rear contact plates is moved forward in the transport direction. It also has an unloading control roller 27 for unloading. In addition, as shown in FIG.
Among the above rollers, the pressing force supporting roller 23, the pressing force supporting roller 24, and the lower surface supporting roller 21 are connected to a roller driving motor 31 by a chain 30 guided by guide pulleys 28 and 29, and rotate with each other. Driven in a synchronized state.

As shown in FIG. 2, the film supply mechanism 8 is arranged so as to be located above the transport mechanism 6 in the processing section 16, and feeds out a film F wound up on a shaft and formed into a roll. , To be supplied to the concrete form dam 1. The film supply mechanism 8 has a notch 16a formed at the upper end of the side wall of the processing portion 16 to support the shaft 36a of the film roll 36, and a state in which tension is applied by a spring 37 in order to prevent the film F from being loosened. And a belt-shaped brake 38 for suspending the rotation of the shaft 36a of the film roll 36 by generating frictional resistance on the shaft 36a of the film roll 36 and a film F for a concrete formwork. Large-diameter pressure contact roller 39 that presses while supplying to the upper surface of weir plate 1
And guide rolls 40 and 41 that are disposed between the film roll 36 and the pressure roller 39 and guide the film F.

As shown in FIG. 2, the pressure mechanism 9 constitutes the film supply mechanism 8 and supports a large-diameter pressure roller 39 around which the film F is wound and both ends of the shaft of the pressure roller 39. In addition, the pressing roller 39 comprises a cylindrical roller pressing means 42 for pressing the pressing roller 39 downward, that is, toward the conveying path of the concrete form dam 1. Pressure roller 3
Reference numeral 9 has a heating means (not shown) for melting the adhesive layer of the film F wound on the surface. The pressing roller 39 is connected to the guide pulley 29 that constitutes the transport mechanism 6.
Is connected to the roller drive motor 31 by the chain 45 and is pressed by the roller pressing means 42 onto the upper surface of the concrete form dam 1 to move the concrete form dam 1 in the transport direction while attaching the film F. It is driven to rotate for transport.

As shown in FIG. 3, the transport mechanism control means 11 is disposed between the supply control roller 21 of the transport mechanism 6 and the pressure support roller 23, and is transported by the transport mechanism 6. Optical sensors 43, 43 for detecting the position of the weir plate 1.
The supply control rollers 21 are separated from the preceding concrete form dam board 1 and the subsequent concrete form dam board 1 to a predetermined dimension L on the basis of the detection outputs of 3, 43.
To control the operation of a motor (not shown) for driving the motor. The optical sensors 43, 43 are spaced apart from each other by a certain dimension L in the transport direction, and detect the positions of the front end and the rear end of the concrete form dam 1 that is continuously transported. is there. The above-mentioned certain dimension L is determined by the length direction of the film F attached to the rear end face of the concrete form dam 1 and the front end face of the succeeding concrete form dam 1 conveyed in advance. Equal to the sum of the extra lengths of

As shown in FIG. 2, the side roller 12 is a film that is attached to the upper surface of the concrete form dam plate 1 forward in the transport direction with respect to the upper and lower support rollers 25 and 26 of the transport mechanism 6. And a plurality of rollers arranged on both sides of the conveyance path, and orthogonal to the conveyance direction so that the position in the width direction can be adjusted according to the width of the concrete form dam plate 1. It is arranged so as to be movable in a direction perpendicular to the transport direction by a rail 46 suspended in the opposite direction. The side rollers 12 are disposed in a state where the rotation axis is inclined, and a folding roller 47 that guides the excess length in the width direction of the film F toward both side end surfaces of the concrete form dam plate 1, and a folding roller. The film F guided to the side of the concrete form dam 1 by the roller 47 is constituted by a side sticking roller 48 for sticking an extra length in the width direction of the film F.

The folding roller 47 has a rotation axis RS
However, as shown in FIG. 4A, when viewed from the front in the traveling direction of the concrete formwork dam 1, it is inclined at an angle θ1 with respect to the vertical line VL, and shown in FIG. As seen from the side of the concrete form dam 1, it is inclined at an angle θ2 with respect to the vertical line VL. The folding roller 47 is rotated in a direction opposite to the direction in which the film F is fed by the folding roller drive motor 49, that is, in a direction in which tension is generated with respect to the extra length in the width direction of the film F, and The excess length is guided while being folded into the side end surface of the concrete form dam 1 so as not to cause slack or wrinkles. Note that the folding roller 47 and the folding roller drive motor 49 adjust the angle for guiding the extra length of the film F to an optimum angle to more reliably prevent slack and wrinkles of the extra length in the width direction of the film F. The angles θ1 and θ2 of the rotation axis RS are variably mounted.

As shown in FIG. 2, the side affixing roller 48 has a rotation axis disposed substantially vertically, and presses a surplus portion in the width direction of the film F against the side end surface of the concrete form dam plate 1. And a heating unit (not shown) for melting the excessively long adhesive layer in the width direction of the film F to be pressed.

The cutting mechanism 13 is, as shown in FIG.
It is arranged between the pressure mechanism 9 and the side roller 12 so as to be located above the transport mechanism 6. Cutting mechanism 13
As shown in FIG. 2, while being restricted from moving in the vertical direction by a slide rail 51 provided on the side wall of the processing portion 16, it is possible to move along the direction in which the concrete form dam 1 is transported. As shown in FIG. 5, the slide unit 52 includes a slide unit 52 and a cutting unit 53 movably attached to the slide unit 52 in a direction perpendicular to the transport direction. The slide portion 52 has a width whose width is larger than the width dimension of the film F. A lower portion of the slide portion 52 is operated by projecting a cylinder toward the upper surface of the concrete form dam 1 to form a concrete form. A pressing engagement means 54 for pressing the upper surface of the weir plate 1 is provided. Further, a pulling-back means 55 attached to the slide portion 52 so as to extend between the slide portion 52 and the processing portion 16 and to retract the slide portion 52 to a position before movement after cutting the film F by contracting the cylinder. Is arranged.

The cutting means 53 is provided so as to be movable with respect to the slide part 52 in a direction perpendicular to the slide direction, that is, along a guide rail 52a arranged along the width direction of the processing part 16. The rotary blade 56 includes a rotary blade 56 that cuts the film F and a rotary blade drive motor 57 that drives the rotary blade 56 to rotate. The cutting means 53 includes the slide unit 5
2 are arranged so as to be moved on guide rails 52a by feed drive motors 60 also mounted on the upper surface of the slide portion 52 via feed pulleys 58, 58 mounted on both side ends of the upper surface of the slide unit 52, respectively. ing. The pressing engagement means 54 and the rotary blade 56 are arranged at positions separated from each other by a predetermined distance in the transport direction.

As shown in FIGS. 1 and 6, a front contact plate 14 and a rear contact plate 15 are provided on the front side in the transport direction with respect to the cutting mechanism 13, respectively. Abutting plate advancing means 61 for advancing and retreating to the transport path of
And rear contact plate advancing means 62 and front contact plate advancing means 6
1, the front contact plate 14 and the rear contact plate 15 are pressed toward the rear contact plate 15 in a state where the front contact plate 14 and the rear contact plate 15 are respectively advanced to the conveyance path. And a contact plate pressing / moving means 63 for moving the contact plate.

As shown in FIG. 6A which is a plan view, the front and rear contact plates 14 and 15 are plate-like members and have heating means (not shown) for melting the adhesive layer of the film F. are doing. As shown in FIG. 1, the front contact plate advancing means 61 is separated from the cutting mechanism 13 in the transport direction so as to have a sufficient margin with respect to the length of the concrete form dam plate 1. Is distributed. As shown in FIG. 6B which is a side view, the front contact plate advancing means 61 has a shaft 65 rotatably supported at both ends by a support plate 64 and suspended in the width direction of the transport mechanism 6. A contact plate supporting member 66 disposed near both ends of the shaft 65 and supporting upper portions near both ends of the front contact plate 14 at a predetermined distance from the shaft 65;
5, a horizontal plate 67 disposed to be positioned forward in the transport direction with respect to 5, and a horizontal plate 67 disposed on a central upper surface of the horizontal plate 67 and bent in a direction along the transport direction to thereby rotate the shaft 65 via the crank 68. And a rotation operation cylinder 69 that performs a rotation operation. The support plate 64 is disposed on the transfer mechanism 6 so as to be movable in the transfer direction, and the shaft 64 and the horizontal plate 67 are each disposed so that the concrete form dam plate 1 can pass therebelow. , Are arranged at a distance from the upper surface of the transport mechanism 6.

The rear abutting plate advancing means 62 has the same configuration as the front abutting plate advancing means 61, and its direction is set to 180 between the cutting mechanism 13 and the front abutting plate advancing means 61 in the horizontal direction.
It is arranged in a state rotated by degrees. The rear abutting plate advancing means 62 is provided to the transport mechanism 6 in the transport direction so that the distance between the front and rear abutting plate advancing means 61 and 62 can be adjusted according to the length of the concrete form dam 1. It is movable and can be fixed at any position. In addition, the rear contact plate advancing means 62 is provided with the processing unit 16 in order to secure enough time for performing the operation of attaching the extra length in the length direction of the film F to the front and rear end surfaces of the concrete form dam 1. Must be separated from the camera by a predetermined distance.

The contact plate pressing / moving means 63 is suspended in the width direction of the transport mechanism 6 so as to be located forward of the front contact plate advancing means 61 in the transport direction. An arch 71 arranged so as to allow the weir plate 1 to pass therethrough, and arranged on the center upper surface of the arch 71 over the center of the horizontal plate 67 of the front abutting plate advancing means 61 to advance the front abutting plate. A pressing operation cylinder 72 for pressing the means 61 toward the rear contact plate advancing means 62 is provided.

Next, the operation of the film sticking apparatus 5 to the concrete form dam plate constructed as described above will be described. The concrete form dam 1 that is sequentially and continuously supplied onto the transfer mechanism 6 by a manual operation or any automatic supply means that continuously supplies the concrete form dam 1 from the end of the transfer mechanism 6 is heated by a preheater. 7, while the upper surface is preheated by the supply control roller 21,
Conveyed toward 6. Subsequently, the concrete form dam 1 is guided below the pressurizing mechanism 9 by the guide rollers 22, and the film F is stuck on the upper surface of the concrete form dam 1.

Affixing of the film F to the upper surface of the concrete form dam plate 1 is performed as follows. A film F supplied from the film supply mechanism 8 is wound around a pressure roller 39 constituting the pressure mechanism 9, and the adhesive layer of the film F is melted by heating means (not shown) provided on the pressure roller 39. ing. In this state, the film F is supplied to the upper surface of the concrete form dam 1 by the press roller 39 while the lower surface of the concrete form dam 1 is supported by the pressurizing support roller 23 located below the press roller 39. Then, the film F is attached to the upper surface of the concrete formwork dam 1. The film F is supplied in a state where it has an extra length protruding from the front end face of the concrete form dam board 1, and the film F has an extra length projecting from the side edge of the concrete form dam board 1. Supplied with length.

In this manner, the concrete form dam 1
After the film F is adhered to the upper surface of the concrete form, the concrete form dam 1 is conveyed forward in the conveying direction while the film F is adhered over the entire length thereof by the pressurizing support roller 23 and the pressing roller 39 which are respectively driven to rotate. Subsequently, the concrete form dam board 1 is further positioned forward in the transport direction while supporting the lower surface of the concrete form dam plate 1 by a pressing force support roller 24 disposed so as to be located forward in the transport direction with respect to the pressing force support roller 23. The sheet is conveyed toward the lower support rollers 25 and 26. Then, the concrete form dam plate 1 is transported by the lower surface support rollers 26 toward the side rollers 12 located further forward in the transport direction while limiting the displacement in the vertical direction by the upper and lower surface support rollers 25 and 26, The extra length in the width direction of the film F is attached to the side end of the concrete form dam 1.

Affixing the extra length in the width direction of the film F to the side end portion of the concrete form dam plate 1 is performed as follows.
The surplus length in the width direction of the film F protruding from the side edge of the concrete form dam 1 is guided to the side end surface of the concrete form dam 1 by the folding roller 47 constituting the side roller 12. Then, in this state, the excess length in the width direction of the film F is similarly reduced by the side sticking roller 48 having the heating means (not shown), which also constitutes the side roller 12, while melting the adhesive layer. Is pressed on the side end surface of the film F, and the extra length in the width direction of the film F is stuck on the side end surface.

Before and after the pasting of the extra length in the width direction of the film F to the side end surface of the concrete form dam board 1 thus performed, the concrete mold conveyed in advance by the conveying mechanism control means 11. The following concrete form dam 1 is spaced from the rear end face of the form dam 1 by a predetermined distance L.
To the processing unit 16. The operation of separating the succeeding concrete form dam 1 from the rear end face of the concrete form dam 1 that is conveyed in advance by a certain dimension L is performed as follows. The subsequent concrete form dam 1 is continuously supplied to the preceding concrete form dam 1 at an arbitrary interval smaller than the predetermined dimension L as described above. Then, the supply control roller 21 of the transport mechanism 6
Concrete transported by the optical sensor 43 disposed so as to be located rearward in the transport direction among the optical sensors 43 that constitute the transport mechanism control means 11 and are disposed between the optical sensor 43 and the pressure support roller 23. When the front end of the formwork dam 1 is detected, the transport mechanism controller 11 stops the motor (not shown) that drives the supply control roller 21. As a result, the subsequent conveyance of the concrete form dam 1 is stopped, and a standby state is set.

Subsequently, when the rear end of the concrete form dam board 1 conveyed in advance is detected by the other optical sensor 43 disposed in the front in the conveyance direction, the conveyance mechanism control means 11 enters a standby state. The conveyance of the subsequent concrete form dam 1 in the above is restarted, and the distance between the concrete form dam 1 and the succeeding concrete form dam 1 conveyed in advance is reduced to a certain dimension L. It is adjusted to become.

Subsequently, after attaching the extra length of the film F in the width direction to the side end portion of the concrete form dam board 1, the lower face supporting roller 26 further moves the concrete form dam board 1.
And the cutting mechanism 13 disposed between the pressurizing mechanism 9 and the side rollers 12 causes the concrete form dam plate 1 to move.
Film F with an extra length protruding from the rear end face
Disconnect. Cutting of the film F by the cutting means 13
It is performed as follows. By the transfer mechanism control device 11, a certain dimension L from the preceding concrete form dam plate 1 is obtained.
The lower surface of the succeeding concrete form dam plate 1 that is continuously transported with a distance away is supported by a pressing force supporting roller 24 that is arranged to be located forward of the pressing force supporting roller 23 in the conveying direction. While transporting.

At the same time, the pressing and engaging means 54 is projected from the slide portion 52 of the cutting mechanism 13 disposed above the pressing force support roller 24 toward the upper surface of the subsequent concrete form dam plate 1 so that the subsequent concrete The upper surface of the formwork dam 1 is pressed. As a result, the sliding portion 52 is slid forward in the transport direction in a state of being synchronized with the concrete form dam 1 by the frictional force generated between the pressing engagement means 54 and the upper surface of the concrete form dam 1. Subsequently, by moving the cutting means 53 attached to the slide portion 52 along the guide rail 52a of the slide portion 52,
The film F is cut in a direction perpendicular to the transport direction by the rotary blade 56 which is relatively stationary in the transport direction with respect to the film F.

Since the pressing and engaging means 54 and the rotary blade 56 are arranged at a predetermined distance in the conveying direction, the film F is transferred to the concrete form dam plate 1 to be conveyed in advance.
Is cut in a state having an extra length protruding from the rear end face and the front end face of the subsequent concrete form dam board 1. After the film F is cut, the slide unit 52 is pulled back to the original position by the pull-back means 55, and the next film F is cut.
Be prepared for cutting.

In this manner, the concrete formwork dam 1
Film F with an extra length protruding from the rear end face
After being cut, the concrete form dam plate 1 is further conveyed by the lower surface support rollers 26 and supplied to the carry-out control roller 27 located forward in the conveyance direction. Then, the concrete form weir plate 1 is transported by the carry-out control roller 27 between the front and rear contact plates 14 and 15 arranged forward in the transport direction. The unloading control rollers 27 transport the concrete form dam 1 at a higher speed than the transport speed of each roller in the processing section 16. In this way, the leading concrete form dam 1 is conveyed at a high speed by the unloading control roller 27, so that a sufficient space is secured between the concrete form dam 1 and the succeeding concrete form dam 1. Film F is applied to the front and rear end faces of
Work time for pasting the extra length in the length direction is secured.

Subsequently, the extra length in the length direction of the film F is attached to the front and rear end surfaces of the concrete form dam plate 1 by the front and rear contact plates 14 and 15. The extra length in the length direction of the film F is attached to the front and rear end surfaces of the concrete form dam 1 in the following manner. Front and rear contact plate 1
4 and 15 are front and rear contact plate advancing means 61 and 62, respectively.
Thus, the extra length in the longitudinal direction of the film F protruding from the front and rear end surfaces of the conveyed concrete form dam plate 1 is guided along the front and rear end surfaces, respectively. Into the transport path. The front and rear contact plate advancing means 61 and 62 rotate the shaft 65 by the rotation operation cylinder 69, so that the front and rear contact plates 14 attached to the shaft 65, respectively.
15 is rotated to advance and retreat to the transport path.

In this state, the front contact plate advancing means 61 is pressed toward the rear contact means 62 by the pressing operation cylinder 72 constituting the contact plate pressing / moving means 63. As a result, the front contact plate 14 is pressed and moved toward the rear contact plate 15, and the film F guided by the front and rear contact plates 14 and 15 to the front and rear end surfaces of the concrete form dam 1. Is applied to the front and rear end faces, and the adhesive layer is melted by heating means (not shown) disposed on the front and rear contact plates 14 and 15 to perform bonding.

Subsequently, the front and rear contact plate advancing means 61, 62
After the front and rear contact plates 14 and 15 are retracted from the transport path, the concrete form dam board 1 is carried out from the main body of the film attaching apparatus 5 to the concrete form by the carry-out control rollers 27. Through the above steps, the film sticking apparatus 5 for the concrete formwork sticks the film F to the upper surface, front and rear end faces, and side end faces of the concrete formwork dam 1.

According to the apparatus 5 for attaching a film to a concrete form which is configured as described above, the film F is attached to the upper face, front and rear end faces and side end faces of the concrete form dam 1 by one apparatus. be able to. Moreover, the sticking process of the film F to the concrete form dam board 1 can be performed while continuously transporting. Further, since the side rollers 12 and the front and rear contact plates 14, 15 are arranged so that their positions can be adjusted in accordance with the dimensions of the concrete form dam board 1, the concrete form dam board of any size is provided. The film F can be stuck to one.

Further, since the film F to be stuck to the concrete form dam 1 is cut from one side end thereof by the rotary blade 56, the film F and the cutting means 53 can be brought into point contact. The force by which the rotary blade 56 cuts the film F can be concentrated on one point of the film F to effectively cut the film F. As a result, the film F is less likely to be stretched and distorted by the cutting force at the time of cutting, and the cut surface of the film F can be sharpened. In this case, the film F is hardly turned up and the life of the film F is extended.

In the above embodiment, the rotary blade 56 rotated by the rotary blade drive motor 57 as a cutting means is used.
However, the present invention is not limited to this, and a blade that does not rotate may be used as long as it can cut the film F. In the above embodiment, the concrete form weir plate 1 carried out from the processing unit 16 in the conveying direction is conveyed by the carry-out control roller 27 at a speed higher than the conveying speed in the processing unit 16. In this example, the time for attaching the film F to the front and rear ends of the concrete form dam 1 is secured. However, the present invention is not limited to this. The transfer may be performed at a speed higher than the transfer speed in one processing unit 16.

In the above embodiment, the numbers and arrangements of the free rollers 20 and the carry-out control rollers 27 of the transfer mechanism 6 are shown in each figure. However, the present invention is not limited to this, and the transfer of the concrete form dam plate 1 is not limited thereto. Any number of these free rollers 20 and unloading control rollers 27 may be arranged at any position in order to perform the smoothing. In the above-described embodiment, the example in which the pressing roller 39 is driven to rotate by the motor 31 is used. However, the present invention is not limited to this, and the conveying speed of the concrete form dam plate 1 by the pressing roller 39 is rotated by the motor 31. The motor may be independently driven to rotate by another motor as long as the speed is synchronized with the transport speed of another driven roller.

[0050]

According to the method for affixing a film to a concrete form dam, the extra length in the length direction and the width direction of the film affixed to the upper surface of the concrete form dam is reduced by the concrete. It can also be affixed to both end surfaces and the front and rear end surfaces of the formwork dam. Further, the film can be stuck to the concrete formwork dam plate while being continuously conveyed.

According to the apparatus for attaching a film to a concrete form dam, the film is attached to the upper face, front and rear end faces and side end faces of the concrete form dam using a single apparatus. Can be. In addition, the film can be continuously attached to the concrete form dam plate.

According to the apparatus for attaching a film to a concrete form dam, the film to be attached to the concrete form dam moves in the transport direction in synchronization with the concrete form dam. By being attached to the slide portion to be moved, the film is cut by a cutting means which is relatively stationary with respect to the film moving in the transport direction. Also, since the cutting means cuts the film from one side end, the film and the cutting means can be in point contact,
The cutting means concentrates the cutting force of the film on one point of the film to effectively cut the film. As a result, the film is less likely to be stretched and distorted by the cutting force at the time of cutting, and the cut surface of the film can be sharpened, so that the film is turned up when attached to the concrete form dam board And the life of the film is extended. In addition, the slide portion that is slid in the transport direction for cutting the film is slid for cutting the film, and then pulled back to the original position where the slide portion is slid by the retraction portion, so that the film is ready for the next cutting of the film. Cutting can be performed while being continuously conveyed.

According to the apparatus for attaching a film to a concrete form dam plate according to a fourth aspect of the present invention, the pressing engagement means, which is arranged so as to be able to protrude from the frame constituting the slide portion, is pressed against the concrete form dam plate. Thus, the concrete form dam plate and the slide portion are integrally moved by the frictional force generated between the pressing engagement means and the concrete form dam plate. As a result, the cutting means can be moved in synchronization with the concrete form dam without using any special power, and the structure of the film sticking device on the concrete form dam is simplified to construct the structure. Such costs can be reduced.

According to the device for attaching a film to the concrete form dam, the extra length in the longitudinal direction of the film is attached to the front and rear end faces of the concrete form dam by the front and rear contact plates. be able to.

According to the apparatus for attaching a film to a concrete form dam, the side roller and the front and rear contact plates are made of a concrete mold. Since the position is adjustable so as to match the dimensions of the frame weir plate, the film can be attached to a concrete form weir plate of any size.

[Brief description of the drawings]

FIG. 1 is a side view illustrating a configuration and a structure of an apparatus for attaching a film to a dam for a concrete formwork according to an embodiment of the present invention.

FIG. 2 is a side view illustrating a configuration and a structure of a processing unit of the film sticking apparatus on the concrete form dam plate in the embodiment of the present invention.

FIG. 3 is a transport mechanism control unit 11 of the film sticking apparatus for the concrete form dam in the embodiment of the present invention.
It is a side view explaining composition and arrangement of.

FIG. 4 is a side view showing an arrangement of a folding roller of a film sticking device on a concrete form dam plate in the embodiment of the present invention from a viewpoint in a transport direction and a direction orthogonal to the transport direction.

FIG. 5 is a plan view illustrating a configuration and a structure of a processed portion of the film sticking apparatus on the concrete form dam plate in the embodiment of the present invention.

FIG. 6 illustrates the configuration and structure of the front and rear contact plates, the front and rear contact plate advancing means, and the contact plate pressing / moving means of the device for attaching a film to the concrete form dam in the embodiment of the present invention. It is a side view and a plan view.

FIG. 7 is a front view, a plan view, and a side view illustrating the configuration and structure of a concrete form dam plate to which a film is stuck by a film sticking device to a concrete form dam board in an embodiment of the present invention. is there.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Concrete form dam board 5 Film sticking apparatus to concrete form board 6 Transport mechanism 7 Preheater 8 Film supply mechanism 9 Pressurizing mechanism 11 Transport mechanism control means 12 Side roller 13 Cutting mechanism 14 Front contact Plate 15 Rear contact plate 36 Film roll 39 Press roller (pressing mechanism) 47 Folding roller 48 Side sticking roller 52 Slide section 53 Cutting means 54 Press engagement means 55 Retraction means 56 Rotary blade 61 Front contact plate advance means 62 rear contact plate advancing means 63 contact plate pressing / moving means F film

Claims (6)

(57) [Claims] 1. A concrete form dam, which is continuously conveyed in one direction, is projected along the upper surface of the concrete form dam and from a side edge of the concrete form dam. A belt-like film is supplied in a state where the extra length in the width direction is provided, and the film is attached to the upper surface of the concrete form dam, and the extra length in the width direction of the film is determined by a side roller. The lengths of the concrete form dams which are brought into pressure contact while being guided to the side end faces of the concrete form dams, and which respectively protrude at the rear end face of the concrete form dams and the front end face of the subsequent concrete form dams. The film is cut while being conveyed integrally with the concrete form dam in a state having an extra length in the vertical direction, and the front and rear end faces of the concrete form dam are interposed with the extra length of the film. And the concrete The extra length of the film is applied to the front end face and the rear end face of the concrete formwork dam by pressing by the contact plates before and after being respectively advanced to the conveyance path of the formwork dam. Characteristic method of attaching film to concrete formwork dam. 2. A transport mechanism for holding the concrete form dam plate in a substantially horizontal state and sequentially and successively conveying the concrete form dam plate in one direction, and an adhesive layer formed on one surface thereof. A belt-like film formed wider than the width of the concrete formwork dam,
A film supply mechanism for supplying a state in which a surplus length in the width direction is provided so as to protrude from a side edge of the concrete form dam board on the upper surface side of the concrete form dam board; A pressurizing mechanism for pressing the film supplied to the upper surface side of the weir plate to the upper surface side and attaching the film to the upper surface of the concrete form dam plate with the adhesive layer. In a film sticking device for a weir plate, a conveyance mechanism control unit that controls the conveyance mechanism to adjust a gap between the concrete form weir plates that are continuously conveyed to a fixed size, and a conveyance path for the film. The side portion which is disposed on the side of the concrete form weir plate and protrudes from the side edge of the concrete form weir plate and guides the extra length in the width direction to the side end surface of the concrete form weir plate and presses against it. Laura and the front It is disposed so as to be located forward in the transport direction with respect to the pressurizing mechanism, from the rear end face of the concrete form dam board to be conveyed in advance and the front end face of the subsequent concrete form dam board. A cutting mechanism for cutting the film while conveying the film integrally with the concrete form weir plate in a state of having a length in a protruding length direction; and It is arranged to be able to advance and retreat to the transport path of the concrete form dam board,
Abutment plates before and after the concrete form dam plate is pressed and pasted on the front and rear end surfaces of the concrete form dam plate with extra length in the longitudinal direction of the film protruding from the front and rear end surfaces of the concrete form dam plate. An apparatus for attaching a film to a dam for a concrete formwork. 3. The device for attaching a film to a concrete form dam according to claim 2, wherein the cutting mechanism is synchronized with the concrete form dam in a direction in which the concrete form dam is conveyed. A sliding portion that is moved to move in a direction perpendicular to the transport direction with respect to the sliding portion, and a cutting unit that cuts the film by cutting the film; A device for attaching a film to a concrete form dam, characterized by comprising a pull-back means for pulling back the slide portion to a position before the movement. 4. The apparatus for affixing a film to a concrete form dam as claimed in claim 3, wherein the slide portion is disposed so as to be protrudable toward the concrete form dam and the concrete form. A press-fitting means for moving the slide portion in the transport direction together with the concrete form dam plate by pressing the weir plate for concrete form dam. Film sticking device. 5. The device for affixing a film to a dam for concrete formwork according to any one of claims 2 to 4, wherein the front and rear contact plates are provided forward of the cutting mechanism in the transport direction. The concrete form dam is guided by guiding the excess length in the longitudinal direction of the film protruding from the front and rear end faces of the conveyed concrete form dam board along the front and rear end faces, respectively. Abutment plate advancing means for advancing to a plate conveying path; and the concrete form with the extra length in the longitudinal direction of the film guided along the front and rear end surfaces of the concrete form dam plate interposed therebetween. Either one of the front and rear contact plates so that the front and rear end surfaces of the weir plate are sandwiched by the front and rear contact plates and the extra length in the longitudinal direction of the film is attached to the front and rear end surfaces. Towards the other Pressure and contact plate pressing transfer film sticking apparatus that means and is provided to the concrete form dams plate, characterized move. 6. The apparatus for affixing a film to a concrete form dam plate according to claim 2, wherein the side roller has a width on the side of a film transport path and a width of the concrete form dam plate. In addition, at least one of the front and rear contact plates is disposed so as to be adjustable in a direction orthogonal to the transport direction, and the front and rear contact plates are adjusted to the length of the concrete form dam plate. A film sticking device for a concrete form dam plate, wherein the film sticking device is arranged so as to be movable along the transport direction of the transport mechanism so that the distance between the contact plates can be adjusted.