JP6846226B2 - Female blade device - Google Patents

Description

The present invention relates to a female blade device that is arranged to face a rotary male blade device.

Conventionally, deck plates used as reinforced concrete flooring materials and the like are known. The deck plate consists of a flat plate portion made by bending and molding a single metal plate, and a vertical web portion (plate mating portion) in which a linear plate portion parallel to the longitudinal direction is doubled at a plurality of portions of the flat plate portion. The vertical web portion has a reinforcing rib provided with a continuous flange portion having a triangular cross section at the lower end thereof (see, for example, Patent Document 1).
When concrete is cast on the deck plate, the plate mating portion of the reinforcing rib may expand and deform due to the weight of the concrete, and it is necessary to prevent the plate mating portion from expanding. Therefore, in the deck plate manufacturing process, a rotary male blade device (caulking device) and a fixed female blade device arranged so as to face each other with the reinforcing ribs sandwiched between them are used to form a double plate mating portion of the plate mating portion. Is cut out and connected.

As shown in FIG. 7, a passage (groove portion) 111 through which the blade portion of the male blade device passes is formed in the tip portion (blade portion) 110 of the conventional female blade device 100 facing the male blade device. The blade portion provided in the male blade device passes through the passage 111 in the tip portion 110 of the female blade device 100, and pushes a part of the double metal plate into a strip shape to cut out and crimp it. The cut out portion is crushed by a pair of crushing rollers arranged so as to sandwich the reinforcing ribs on the downstream side in the transport direction of the deck plate.

Jitsukaisho 60-89325

By the way, the blade portion 110 of the female blade device 100 may come into contact with the blade portion of the male blade device and be damaged when the blade portion of the male blade device passes through the passage 111 of the female blade device 100. When the blade portion 110 of the female blade device 100 is damaged, the double metal plate is not cut out in a desired shape, and therefore the damaged female blade device 100 needs to be replaced.
However, it is necessary to replace the entire conventional female blade device 100 even if a part of the conventional female blade device 100 is damaged due to contact with the blade portion of the male blade device, and it is desired to reduce the repair / replacement cost for the female blade device 100. There was a request.

Therefore, the present invention has been made in view of the above problems, and even if the female blade device is damaged, the female blade device is capable of replacing only the damaged portion without replacing the entire female blade device. The purpose is to provide.

In order to solve the above problems, in the present invention, when manufacturing a deck plate, the tip portions of the deck plates face each other with the metal plates sandwiched against a rotary male blade device that crimps the folded metal plates to each other. A pair of fixed female blade devices to be arranged, which are detachably connected to a main body fixed to a support portion of the deck plate manufacturing facility and cut out the metal plate together with the blade portion of the male blade device. It is characterized by having a blade portion of.

Further, it is preferable that the pair of blades includes a first blade that is integrally formed with the main body and a second blade that is separably connected to the main body.

Further, it is preferable that the pair of blades includes a first blade and a second blade that are separably connected to the main body.

Further, it is preferable that the second blade portion is connected to the main body at a distance from the first blade portion so as to form a space through which the blade portion of the rotating male blade device passes.

Further, the main body is provided with an accommodating portion for accommodating the second blade portion on the tip end side, and the second blade portion forms the space between the first blade portion and the tip end portion side. It is preferable to provide a notch.

According to the present invention, even if the female blade device is damaged, only the damaged portion can be replaced without replacing the entire female blade device, and the repair / replacement cost can be suppressed.

It is a perspective view of the female blade device which concerns on 1st Embodiment. It is a figure for demonstrating the structure of the main body of the female blade apparatus shown in FIG. It is a figure for demonstrating the structure of the 2nd blade part of the female blade apparatus shown in FIG. It is a perspective view which partially shows the deck plate manufacturing equipment which used the female blade apparatus which concerns on 1st Embodiment. It is a figure for demonstrating the female blade apparatus which concerns on 2nd Embodiment. It is a figure for demonstrating the structure of the main body, the 1st blade part and the 2nd blade part of the female blade apparatus shown in FIG. It is a figure which shows the conventional female blade apparatus.

A preferred embodiment of the present invention will be described with reference to the drawings. The embodiment shown below is an example, and various forms can be taken within the scope of the present invention.

<First Embodiment>
FIG. 1 is a perspective view of the female blade device according to the first embodiment. 2A and 2B are views for explaining the configuration of the main body of the female blade device shown in FIG. 1, FIG. 2A is a perspective view of the main body, and FIG. 2B is a view showing the main body of the main body. It is a top view seen from the direction II (b) in a). 3A and 3B are views for explaining the configuration of the second blade portion of the female blade device shown in FIG. 1, FIG. 3A is a perspective view of the second blade portion, and FIG. 3B is a perspective view of the second blade portion. , The second blade portion is a plan view seen from the direction III (b) in FIG. 3 (a).
For convenience of explanation, the longitudinal direction of the female blade device 1 is "l", the width direction is "w", and the thickness direction is "d".

The female blade device 1 is fixed to a predetermined support portion (not shown) of the manufacturing equipment of the deck plate 8, and cooperates with the rotary male blade device (caulking device) 3 to strip the metal plate of the deck plate 8. It is extruded into a shape (see FIG. 4).
As shown in FIG. 1, the female blade device 1 is a pair of a main body 11 fixed to a predetermined support portion of a manufacturing facility and a pair of main bodies 11 that are detachably connected to each other and cut out a metal plate together with a blade portion 32 of the male blade device 3. It is provided with blade portions 21 and 22. The blade portions 21 and 22 are provided apart from each other at the tip portion of the female blade device 1 so as to form a space 1s through which the blade portion 32 of the rotating male blade device 3 passes.
Of the pair of blades 21 and 22, one blade 21 is the first blade 21 integrally formed with the main body 11, and the other blade 22 is detachably connected to the main body 11. The second blade portion 22.

As shown in FIG. 2, the main body 11 has a substantially rectangular shape in a plan view and is made of steel, and is a main component of the female blade device 1. The main body 11 has an accommodating portion 12 accommodating the second blade portion 22 formed by partially cutting out the main body 11 in the thickness direction at the tip end portion facing the male blade device 3.
The main body 11 has a screw (not shown) such as a screw for fixing the main body 11 to the manufacturing equipment at the end of the main body 11 on the side opposite to the accommodating portion 12 in the longitudinal direction l of the female blade device 1. A hole 11a to be inserted is provided. A counterbore portion for accommodating the head of the screwing tool is formed on the insertion side of the hole 11ah into which the screwing tool is inserted. In the illustrated embodiment, four holes 11a are formed concentrically through the thickness direction d of the main body 11, but the number and arrangement positions of the holes 11a can be freely set.
The main body 11 is integrally provided at its tip with a first blade portion 21 chamfered toward the accommodating portion 12 and formed as an acute-angled edge on the accommodating portion 12 side.
The accommodating portion 12 has a surface 12a extending along the longitudinal direction l and the width direction w of the female blade device 1, and a surface 12b extending along the thickness direction d and the width direction w of the female blade device 1. The surface 12a and the surface 12b are substantially at right angles. Two holes 12ah formed side by side in the width direction w of the female blade device 1 are formed on the surface 12a.
A screw thread is formed on the inner peripheral surface of the hole 12ah. A screwing tool S (only the tip is shown in FIG. 1) such as a screw for connecting the second blade portion 22 to the main body 11 is inserted into the hole 12ah. In the illustrated embodiment, two holes 12ah are formed, but the number and arrangement positions of the holes 12ah can be freely set.
Further, in the center of the main body 11, there is a protrusion 13 along the longitudinal direction l on the side attached to the support portion of the manufacturing equipment. The protrusion 13 fits into a recess (not shown) formed in a support portion of the manufacturing equipment.

The second blade portion 22 has a substantially rectangular shape in a plan view and is made of steel. The second blade portion 22 has a thickness of being accommodated in the accommodating portion 12 of the main body 11. As shown in FIG. 3, the second blade portion 22 has a notch portion 23 that forms a space 1s through which the blade portion 32 of the rotating male blade device 3 passes with the first blade portion 21 of the main body 11. .. The tip of the second blade portion 22 is R-chamfered toward the notch portion 23, and is formed as an edge on the notch portion 23 side.
The second blade portion 22 is provided with two holes 22ah formed so as to penetrate in the thickness direction d and lined up in the width direction w at the end portion on the side opposite to the notch portion 23. When the second blade portion 22 is installed in the accommodating portion 12 of the main body 11, the hole 22ah is aligned with the hole 12ah, and a screwing tool S such as a screw for connecting the second blade portion 22 to the main body 11 is inserted. To. A counterbore portion for accommodating the head of the screwing tool S is formed on the insertion side of the hole 22ah into which the screwing tool S is inserted. Although the two holes 22a are formed in the illustrated embodiment, the number and arrangement positions of the holes 22a can be freely set.

The cutout portion 23 has a surface 23a extending along the longitudinal direction l and the width direction w of the female blade device 1, and a surface 23b extending along the thickness direction d and the width direction w of the female blade device 1. The surface 23a of the second blade portion 22 forms a space 1s with the first blade portion 21 of the main body 11, specifically, the surface 12a of the accommodating portion 12. The surface 23b of the second blade portion 22 is formed to be curved with a predetermined curvature along the width direction w of the female blade device 1.

<Application example of female blade device 1>
Next, an application example of the female blade device 1 in the manufacturing equipment of the deck plate 8 will be described with reference to FIG. FIG. 4 is a perspective view partially showing the manufacturing equipment of the deck plate 8 provided with the female blade device 1.
In the manufacturing facility, the female blade device 1 is arranged so as to face the rotary male blade device 3 that crimps the metal plates that are folded and bent from each other when the deck plate 8 is manufactured. There is. The male blade device 3 includes a roller 31 and a blade portion 32 on the outer peripheral surface of the roller 31, and the metal plate of the deck plate 8 transported in the transport direction T is formed into a strip shape in cooperation with the female blade device 1. break the ice. Specifically, the metal plate of the deck plate 8 enters the space 1s of the female blade device 1 while rotating the blade portion 32 together with the roller 31 in the direction R1 facing the transport direction T, so that the metal plate of the deck plate 8 becomes the space of the female blade device 1. It is extruded into strips within 1s.
A pair of crushing rollers 40 are arranged to face each other on the downstream side in the transport direction T of the deck plate 8 with the reinforcing rib 81 interposed therebetween. The plate portion cut out by the male blade device 32 is crushed by a crushing roller 40 that rotates in the direction R2 facing the transport direction T. As a result, the plate mating portions are connected so as not to expand each other, and the reinforcing rib 81 is formed.

When cutting out the metal plate of the deck plate 8, the blade portion 32 of the rotating male blade device 3 may come into contact with the female blade device 1 to damage the female blade device 1. In the conventional female blade device 100 shown in FIG. 7, even if the female blade device 100 is partially damaged, the entire female blade device 100 must be replaced.
On the other hand, in the female blade device 1, the main body 11 and the second blade portion 22 are separably connected to each other. Therefore, when the female blade device 1 is partially damaged, the damaged portion, For example, it is only necessary to replace either the main body 11 or the second blade portion 22, and it is not necessary to replace the entire female blade device 1.
Further, in the female blade device 1, the second blade portion 22 may be damaged due to contact with the male blade device 3, but since the second blade portion 22 is only connected to the main body 11, the damaged second blade portion 22 is used. It is not necessary to replace the entire female blade device 1 only by replacing the blade portion 22.

<Second embodiment>
Next, the female blade device 5 according to the second embodiment will be described with reference to FIGS. 5 and 6. Hereinafter, only the portion different from the female blade device 1 according to the first embodiment will be described, and the same components as those of the female blade device 1 will be designated by the same reference numerals and the description thereof will be omitted.
FIG. 5 is a diagram for explaining the female blade device according to the second embodiment. FIG. 6 is a diagram for explaining the configuration of the main body, the first blade portion, and the second blade portion of the female blade device shown in FIG. 5, and FIG. 6A is a view of the main body viewed from below and the main body. 6 (b) is a plan view and a side view of the first blade portion, and FIG. 6 (c) is a view of the second blade portion viewed from below and the side surface of the second blade portion. It is a figure.
As shown in FIG. 5, the female blade device 5 includes a separate main body 11, a first blade portion 51, and a second blade portion 22, respectively.

As shown in FIG. 6A, the accommodating portion 12 of the main body 11 is provided with inclined surfaces 12c at both ends in the width direction w. The inclined surface 12c extends obliquely from the side surface 11s of the main body 11 along the longitudinal direction l toward the surface 12b. One hole 12ah is formed on the surface 12a of the accommodating portion 12.

As shown in FIG. 6B, the first blade portion 51 is a plate-shaped member formed of steel and having a substantially rectangular shape in a plan view. The first blade portion 51 is sandwiched and connected between the main body 11 and the second blade portion 22. In the state where the tip portion 51a of the first blade portion 51 is housed in the accommodating portion 12 of the main body 11, the tip portion facing the male blade device 3 protrudes slightly from the tip portion of the main body 11 (see FIG. 1). ).
The first blade portion 51 and the surface 23a of the second blade portion 22 form a space 1s on the surface on the tip portion 51a side facing the second blade portion 22 in a state of being accommodated in the accommodating portion 12 of the main body 11. Facing each other.
On the side of the rear end portion 51b opposite to the tip portion 51a of the first blade portion 51, one hole 51bh penetrating the first blade portion 51 in the thickness direction d is provided. Further, both corners of the rear end portion 51b have a chamfered inclined surface 52. The inclined surface 52 is in contact with the inclined surface 12c of the main body 11 in a state where the first blade portion 51 is housed in the accommodating portion 12 of the main body 11.

The end of the second blade 22 opposite to the notch 23 has a chamfered inclined surface 24 at both corners in the width direction w. In a state where the second blade portion 22 is housed in the accommodating portion 12 of the main body 11, the inclined surface 24 of the second blade portion 22 is in surface contact with the inclined surface 12c of the main body 11. Further, the end portion of the second blade portion 22 opposite to the notch portion 23 includes one hole 22a penetrating in the thickness direction d.

The female blade device 5 has at least the same action and effect as the female blade device 1. In the female blade device 5, a separate first blade portion 51 is provided between the main body 11 and the second blade portion 22. Thus, the main body 11 is surely prevented from being damaged by the contact with the blade portion 32 of the male blade device 3, and only the first blade portion 51 can be replaced. Further, in the female blade device 5, the presence of the inclined surface 12c of the main body 11, the inclined surface 52 of the first blade portion 51, and the inclined surface 24 of the second blade portion 22 facilitates positioning at the time of assembling each other. ..

1,5 Female blade device 1s space 11 Main body 12 Accommodating part 21,51 1st blade part 22 2nd blade part 23 Notch part 3 Male blade device 31 Roller 32 Blade part 8 Deck plate

Claims (2)

A fixed female blade device in which the tip portions of the deck plates are arranged so as to sandwich the metal plates with respect to a rotary male blade device that crimps the folded metal plates to each other. ,
The main body fixed to the support part of the deck plate manufacturing equipment,
It is provided with a pair of blade portions that are separably connected to each other and cut out the metal plate together with the blade portion of the male blade device.
The pair of blades are provided apart from each other so as to form a space through which the entire blade of the rotating male blade device passes .
The pair of blades includes a first blade that is integrally formed with the main body and a second blade that is separably connected to the main body.
The main body includes an accommodating portion for accommodating the second blade portion on the side of the tip portion, and the second blade portion forms the space with the first blade portion on the side of the tip portion. female blade unit characterized in that it comprises a notch. A fixed female blade device in which the tip portions of the deck plates are arranged so as to sandwich the metal plates with respect to a rotary male blade device that crimps the folded metal plates to each other. ,
The main body fixed to the support part of the deck plate manufacturing equipment,
It is provided with a pair of blade portions that are separably connected to each other and cut out the metal plate together with the blade portion of the male blade device.
The pair of blades are provided apart from each other so as to form a space through which the entire blade of the rotating male blade device passes.
The pair of blades includes a first blade and a second blade that are separably connected to the main body .
The main body includes an accommodating portion for accommodating the second blade portion on the side of the tip portion, and the second blade portion forms the space with the first blade portion on the side of the tip portion. female blade device further comprising a notch.

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