JP7029332B2 - Superposition joining device at the edge of the sheet - Google Patents

Description

The present invention relates to a superposition joining device for sheet ends, and relates to a superposition joining device for sheet ends, which enables efficient superposition joining at the ends of sheet members such as thick woven fabric sheets.

As a civil engineering material sheet used for slope work, waterway work, weed control work, etc., the space between the fiber woven fabric on the front side and the PVC film on the back side is held to a predetermined thickness, and a specially formulated dry concrete is filled between them. An enclosed woven fabric sheet has been developed (Non-Patent Document 1). This woven cloth sheet is laid on a slope, and when water is sprayed on the woven cloth sheet or completely immersed in water, the dry concrete is hardened, and the concrete surface is highly durable, highly watertight, and fire resistant. It is possible to build.

This woven fabric sheet generally has a roll shape with a width of about 1.0 m, and in the case of a target slope having a wide construction width, a plurality of woven fabric sheets are laid, so that the woven fabric sheets are laid adjacent to each other. A joint is generated between the cloth sheets. In addition, joints are also generated when laying for a long time in the extension direction. In these joints, a lap joint with a lap allowance of 100 mm or more is provided at the end of the woven fabric sheet to be joined, and a predetermined length that can be continuously driven by a self-sufficient screwdriver along the lap joint is provided. Tapping screws are cast at a predetermined pitch (for example, 200 mm) along the extension direction to join the sheet ends (as an example, Non-Patent Documents 1 and 11).

Created by Taiyo Kogyo Corporation, Product Homepage "Concrete Canvas User Guide: General Matters", [online], updated in March 2017, [Search on February 15, 2018], Internet URL: <http://www2.taiyokogyo. co.jp/doboku/cc/pdf/1309_CC_User_Guide_JP.pdf ＞

By the way, in the joining work of the overlapped joints disclosed in Non-Patent Document 1, the tapping screws are screwed into the overlapped joints one by one using a screwdriver to perform sheet joining, so that the workability is poor. Further, when the woven fabric sheets stacked on the top and bottom are fixed with tapping screws, there is a problem that the screws do not work until the cement inside the woven fabric sheets is hardened by the hydration reaction and the sheets are not firmly fixed to each other.

Further, in the case of a woven fabric sheet laid for the purpose of weed control, the fixed pitch is preferably about 50 to 100 mm in order to prevent light from entering the gaps between the joints. In addition, it is preferable that the pitch of the joint is short because the end of the overlapped portion may warp due to the hardening of the cement inside. Also doubles.

Further, in order to keep the overlapping allowance of the woven fabric sheets constant (for example, 100 mm) in the overlapped portion, it is necessary to perform marking or the like along the extension direction, and simplification of the preparatory work is desired.

Therefore, it is an object of the present invention to solve the above-mentioned problems of the conventional technique, and to enable efficient lap joining of woven fabric sheets by using an inexpensive joining member. Is to provide.

In order to achieve the above object, the present invention is a superposition joining device for sheet ends used when the ends of sheet members are superposed and joined with a predetermined stacking allowance using a joining member, and the joining member. The linear rail is provided with a joining member placing means capable of continuously injecting the joint member and a linear rail capable of changing the connecting position of the joining member placing means and changing the injection position of the joining member to the seat member. The sheet holding portion, which is connected and held to the tip head of the joining member placing means through the joining member and superimposes the sheet members to be joined with a predetermined stacking allowance, and the sheet member ejected from the joining member placing means. It is characterized by being provided with a joining jig having a receiving portion for deforming the tip end side of the joining member.

As another invention, it is a superposition joining device for sheet ends used when the ends of sheet members are superposed and joined with a predetermined stacking allowance by using a joining member, and the joining member can be continuously injected. From the sheet holding portion for connecting and holding the member placing means and the tip head of the joining member placing means and superimposing the sheet members to be joined with a predetermined stacking allowance, and the joining member placing means. It is characterized by comprising a receiving portion for deforming the tip end side of the joining member to be ejected, and a joining jig having a guide member for instructing the casting pitch of the joining member.

The sheet holding portion has a square S-shape when viewed from the front so that the plate material is bent flat to form recesses at the top and bottom, and the lower sheet is formed in the recesses on the lower side with a predetermined stacking allowance. It is preferable that the end portion of the member is inserted and held, and the end portion of the upper sheet member is inserted and held in the recess on the upper side with a predetermined stacking allowance .

It is preferable that the joining member placing means is operated by supplying compressed air from the outside.

The joining member is preferably a staple.

The perspective view which showed the structure of one Embodiment of the superposition joining apparatus of the sheet end part of this invention. The perspective view which showed an example of the joining jig of the superposition joining device of the sheet end part of this invention. A front view and a plan view of the joining jig shown in FIG. 2. It is explanatory drawing which partially showed the joining state of the superposition joint part of the woven cloth sheet by the joining device shown in FIG. Explanatory drawing which showed the joining state of the superposition joint part of a woven cloth sheet.

Hereinafter, the configuration of the superposition joining device 10 for the sheet end portion of the present invention will be described with reference to the drawings. FIG. 1 shows a schematic configuration of a superposition joining device 10 (hereinafter, simply referred to as a joining device 10) at the end of a sheet. The joining device 10 of the present invention holds a predetermined thickness between the fiber woven fabric on the front surface and the PVC film on the back surface as described above as the target sheet member, and fills the space between them with a specially formulated dry concrete. It is supposed to be an enclosed woven fabric sheet. Therefore, in the following description, an example using this woven fabric sheet will be described, but if it is a sheet member to which staples, rivets, tip crack pins, etc. can be applied as a joining member, other than the woven fabric sheet in which cement is laminated, Needless to say, it can be used for the overlapped joint portion of the sheet end portion of various sheet members such as a sheet made of only woven fabric and a synthetic resin sheet.

As the main configuration of one embodiment, the joining device 10 of the present invention is connected to and held by a known air tacker 20 as a joining member placing means capable of continuously placing staples as a joining member and a part of the air tacker 20. It is provided with the joined jig 30. Hereinafter, the schematic configuration of the air tacker 20 and the detailed configuration of the joining jig 30 will be described.

The air tacker 20 is a known staple driving device capable of continuously driving staples loaded in the magazine 22 of the main body 21 with compressed air. As shown in FIG. 1, the air tacker 20 is operated at the lower end of the tip head by operating the trigger 23. The staple 5 (FIG. 4) can be driven into a predetermined position of the target from the staple injection port (not shown) provided along the provided guide plate 24. An air plug 25 is provided at the rear end of the main body of the air tacker 20, and as shown in FIG. 5A, an air hose 26 from an air compressor (not shown) is connected and operates using the supplied compressed air as an operating source. Needless to say, as the staple driving device, a known rechargeable electric tacker or the like can be used as long as the driving ability can be secured. Further, it is preferable that the specifications of the air tacker 20 used and the size of the staples are appropriately determined according to the thickness, hardness and the like of the woven fabric sheets to be superposed and joined.

Since the configuration of the joining jig 30 connected and held by the air tacker 20 is shown in detail in FIGS. 2 and 3, the detailed configuration of the joining jig 30 will be referred to below with reference to FIGS. 1 to 3. Will be explained. The joining jig 30 includes a base plate 31 that holds the sheet ends 1a and 2a of the woven fabric sheets 1 and 2 to be joined vertically with a predetermined stacking allowance F, and a linear bolted to the upper surface of the base plate 31. It is equipped with a rail 36.

When the base plate 31 is viewed from the front, as shown in FIG. 3A, the bottom plate 31a, the intermediate plate 31b, and the top plate 31c are flat so that two recesses 32 and 33 are formed at the top and bottom. It is arranged so as to form an S-shape by bending so as to form a square. As shown by the virtual line (dashed-dotted line), the sheet ends 1a and 2a of the woven fabric sheets 1 and 2 laid adjacent to each other are formed in the two recesses 32 and 33 formed above and below, respectively. It is inserted and held so that it is located at the top and bottom. At this time, the end portion 2a of the upper woven fabric sheet 2 is bent toward the lower surface side by the overlap margin F so that the cut sheet end surface 2b does not appear on the surface of the laid sheet 2. When the overlapping portion is provided, the bending dimension of the base plate 31 is set so that 100 mm is secured as the overlapping allowance F. Further, as shown in FIGS. 2 and 3, the planar shape of the base plate 31 is such that the narrow intermediate plate 31b and the upper surface plate 31c are on the upper side of the bottom plate 31a on which the lower woven fabric sheet 1 is placed. Is arranged. Needless to say, when the sheet end surface 2b of the woven fabric sheet 2 is not a cut surface, the end portions of the woven fabric sheets 1 and 2 can be overlapped and joined without folding back at the end portion 2a.

As shown in FIGS. 2 and 3B, a clincher 34 serving as a receiving portion of the tip 5a (see FIG. 4) of the staple 5 is screwed to a predetermined position on the bottom plate 31a. When the U-shaped staple 5 having an open lower portion is driven into the woven fabric sheet 1, the clincher 34 is bent inward according to the thickness of the woven fabric sheets 1 and 2 to which the tip 5a of the staple 5 is joined. , A saucer for bending and deforming on the lower surface of the woven fabric sheet 1. Therefore, the staple 5 is bent by appropriately adjusting the bending amount of the tip 5a according to the thickness of the woven fabric sheets 1 and 2 to be joined. The upper surface plate 31c has a shape that further extends laterally in order to secure the mounting range of the linear rail 36 described later. A small diameter tube 35 is attached to the side end of the top plate 31c along the plate, and a guide rod 6 (FIG. 2) formed into an L shape by processing a thin rod is inserted and attached to the small diameter tube 35. Be done. The guide rod 6 can be used as a guide for securing the placement pitch P of the staple 5. In FIG. 1, the configuration of the small diameter tube 35 is omitted for the sake of simplification of the figure.

The linear rail 36 is a member that also functions as a support bracket when attaching the connection jig 30 to the air tacker 20, and is composed of a pedestal plate 36a and a tacker support plate 36b, which are L-shaped when viewed from the side. The air tacker 20 holds the joining jig 30 by bolting 38 at four points via the guide plate 24, the air tacker mounting attachment 37, and the tacker support plate 36b. The pedestal plate 36a is bolted to a predetermined position on the upper surface plate 31c of the base plate 31. At this time, since a part of the magazine 22 of the air tacker 20 is in contact with and held on the upper surface plate 31c of the base plate 31, the joining jig 30 is securely connected and held at the tip position of the air tacker 20.

The linear rail 36 is bolted to the upper surface plate 31c of the base plate 31, but bolt holes are arranged in a row at a predetermined pitch on the upper surface plate 31c, and the mounting position of the linear rail 36 can be appropriately adjusted. The mounting position of the air tacker 20 to the joining jig 30 can be changed by changing the mounting position of the air tacker 20. Thereby, the casting distance of the staples 5 from the sheet end portions 1a and 2a, that is, the joining position of the woven fabric sheets 1 and 2 can be appropriately changed. At this time, the clincher 34 on the bottom plate 31a can also be fixed at an appropriate position corresponding to the mounting position of the linear rail 36. Further, by reversing the mounting direction of the linear rail 36 with respect to the upper surface plate 31c and the position of the clincher 34 on the bottom plate 31a, it is possible to cope with the case where the upper and lower woven fabric sheets 1 are overlapped in the opposite direction. can. In the present embodiment, for this purpose, a bolt hole of the clincher 34 is formed at the inverted position of the bottom plate 31a.

The guide plate 24 of the air tacker 20 can be slid upward by a predetermined height with respect to the tacker support plate 36b. Therefore, the staples 5 can be replenished to the magazine 22 with the joining jig 30 attached. Further, since there are various models of the known air tacker 20, the shape and dimensions of the air tacker mounting attachment 37 are set on the air tacker 20 side in order to securely connect and hold the above-mentioned joining jig 30 to the air tacker 20. It is preferable to set according to the shape and dimensions of the guide plate 24 or a member corresponding thereto.

Here, the joining operation of the woven fabric sheet 1 using the joining device 10 of the present invention will be described with reference to FIGS. 1, 4, and 5. FIG. 4 shows a partially enlarged view of the overlapped joint portion 3 in which the end portions 1a and 2a of the two woven fabric sheets 1 and 2 are secured by the joining jig 30 by a predetermined overlapping allowance F. As shown in FIGS. 1 and 4, the sheet end portion 1a of the lower woven fabric sheet 1 is inserted into the recess 32 between the bottom plate 31a and the intermediate plate 31b of the base plate 31 of the joining jig 30. The sheet end 2a of the upper woven fabric sheet 2 that is held and has a cut surface is inserted and held in the recess 33 between the intermediate plate 31b and the upper surface plate 31c in a state of being folded back by the overlap margin F. There is. Then, the staple 5 is placed by the air tacker 20 (indicated by a virtual line in FIG. 4) by securing a predetermined distance D from the folded end portion of the upper woven fabric sheet 2. As a result, the woven fabric sheets 1 and 2 are securely joined at the superposition joint portion 3. In the implementation work, it is preferable that the stacking allowance F is set to about 100 mm, the distance D is set to 35 mm, and the pitch P of the joining position by the staple 5 is set to about 50 mm. Needless to say, the desired dimensions can be appropriately set by adjusting the mounting position of the rail 36 and the clincher 34, the length of the guide rod, and the like.

FIG. 5 is a schematic explanatory view showing a joining operation and a joining state of the end portion of the woven fabric sheet 1 to which the side end portions in the laying direction are joined. 5 (a) and 5 (b) show a stack in which a roll-shaped woven fabric sheet 1 having a predetermined width is laid so as to be unwound in the direction of an arrow, and a predetermined stacking allowance F is secured on the upper side of the woven fabric sheet 1. It shows a state in which the woven fabric sheet 2 is laid by providing the mating joint portion 3. Further, using the joining device 10 of the present invention on the overlapping joining portion 3, the staple 5 which is a joining member is continuously placed in the extension direction so as to secure the pitch P and the distance D from the seat end. It shows the state of being. FIG. 5 (c) shows the superposition joint portion 3 in which the bonding by the staples 5 is completed. As shown in the figure, it can be understood that the lap joint portion 3 is surely joined by the staples 5 finely and continuously cast at a predetermined pitch.

In the above description, the configuration in which the woven fabric sheet is joined by the staples 5 using the air tacker 20 as an embodiment is shown, but it is also possible to use rivets instead of the staples as the joining member. Instead of an attacker, a riveter capable of placing rivets is used, and when the rivets are placed, the tip of the rivet is crushed and deformed by the saucer to form a pressure receiving surface on the tip side of the rivet and the woven fabric sheet is crimped and joined. It is also possible to do. It is also possible to join a woven fabric sheet by driving a cracked pin with a cut at the tip of the pin into the overlapping portion and deforming the pin so as to open the tip.

The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of each claim. That is, an embodiment obtained by combining technical means appropriately modified within the scope of the claims is also included in the technical scope of the present invention.

1,2 Woven cloth sheet (seat member)
1a, 2a Sheet end 3 Quantum superposition joint 5 Staple 10 Joining device 20 Air tacker (joining member placing means)
24 Guide plate 30 Joining jig 31 Base plate 32, 33 Recess 34 Clincher

Claims (5)

It is a superposition joining device for sheet ends used when the ends of sheet members are superposed and joined with a predetermined stacking allowance using a joining member.
A joining member placing means capable of continuously injecting the joining member,
It has a linear rail capable of changing the connecting position of the joining member placing means and changing the injection position of the joining member to the seat member, and the tip head of the joining member placing means via the linear rail. A sheet holding portion for stacking the sheet members to be connected and held and joined with a predetermined stacking allowance, and a receiving portion for deforming the tip end side of the joining member ejected from the joining member placing means. With the joining jig you have
A superposition joining device at the end of the sheet, which is characterized by being equipped with. It is a superposition joining device for sheet ends used when the ends of sheet members are superposed and joined with a predetermined stacking allowance using a joining member.
A joining member placing means capable of continuously injecting the joining member,
A sheet holding portion that is connected and held to the tip head of the joining member placing means and overlaps the sheet members to be joined with a predetermined stacking allowance, and the joining member ejected from the joining member placing means. A joining jig having a receiving portion for deforming the tip end side of the head and a guide member for instructing the casting pitch of the joining member.
A superposition joining device at the end of the sheet, which is characterized by being equipped with. The sheet holding portion has a square S-shape when viewed from the front so that the plate material is bent flat to form recesses at the top and bottom, and the lower sheet is formed in the recesses on the lower side with a predetermined stacking allowance. The superimposing joining device for sheet ends according to claim 1 or 2 , wherein the end portion of the member is inserted and held, and the end portion of the upper sheet member is inserted and held in the recess on the upper side with a predetermined stacking allowance. The superposition joining device for a sheet end according to claim 1 or 2 , wherein the joining member placing means operates with compressed air supplied from the outside. The superposition joining device for a sheet end according to any one of claims 1 to 4 , wherein the joining member is a staple.

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