JPH0734941B2 - Caulking device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a caulking device, and more specifically, it is possible to caulk both upper and lower surfaces with equal pressure by driving a single moving caulking tool, and in particular between channel materials. The present invention relates to a technology for effectively crimping.

[Technology of Conventional Example] Conventionally, as shown in FIG. 6, in caulking and connecting the channel members a, a, the lower frame 2 of the substantially C-shaped frame body 3 is provided with upper and lower flanges b, b of the channel member a. It is inserted between b, the moving caulking tool 5 of the upper frame 1 of the frame body 3 is lowered, and the channel materials a and a are caulked with the fixed caulking tool 6 of the lower frame 2.

[Problems to be Solved by the Invention] However, in such a structure, the lower frame 2 of the frame body 3 is formed by the flanges b, b of the channel member a.
Since it is inserted in between, the thickness of the lower frame 2 of the frame body 3 is limited, and when the thickness is made thin so that it can be inserted between the flanges b, b, the frame strength decreases and the caulking strength is set to a large value. It cannot be done. in addition,
The conventional caulking form has a problem that only the flanges b and b between the upper frame 1 and the lower frame 2 can be caulked.

The present invention has been made in view of such problems,
The purpose is to avoid the condition that the lower frame of the substantially C-shaped frame body is inserted between the flanges of the channel material, for example, and to avoid being restricted by the thickness of the lower frame due to the distance between the flanges. An object of the present invention is to provide a caulking device capable of caulking at two upper and lower positions by operating a single moving caulking tool while making the caulking strength sufficient, and evenly applying the caulking force.

[Means for Solving the Problem] In the caulking device of the present invention, a substantially C-shaped frame body 3 in which an upper frame 1 and a lower frame 2 are vertically opposed to each other is hung up and down with respect to a support body 4. The movable caulking tool 5 is held on the upper frame 1 so as to be able to move up and down, the fixed caulking tool 6 is attached to the lower frame 2, and the drive cylinder 7 for driving the moving caulking tool 5 up and down is attached to the upper frame 1. A caulking receiver 8 is provided on the main body 3 between the moving caulking device 5 and the fixed caulking device 6, and an upper caulking receiver 9 facing the moving caulking device 5 is provided on the upper surface side of the caulking device 8 and the caulking device. A lower caulking receiver 10 facing the fixed caulking tool 6 is provided on the lower surface side of 8, and the interval between the upper caulking receiver 9 and the lower caulking receiver 10 can be set and changed.

[Operation] As described above, the substantially C-shaped frame body 3 in which the upper frame 1 and the lower frame 2 are opposed to each other in the vertical direction is suspended and held so as to be able to move up and down with respect to the support body 4, and is caulked to the upper frame 1. The tool 5 is provided so as to be able to move up and down, the fixed caulking tool 6 is attached to the lower frame 2, the drive cylinder 7 for vertically moving the moving caulking tool 5 is attached to the upper frame 1, and the caulking receiver 8 is moved to the frame body 3. A crimping tool 6 is provided between the crimping tool 5 and a fixed crimping tool, an upper crimping receiver 9 facing the moving crimping tool 5 is provided on the upper surface side of the crimping tool 8, and a crimping tool 6 is fixed on the lower surface side of the crimping tool 8. By providing a lower caulking bridge 10 facing each other and setting the interval between the upper caulking bridge 9 and the lower caulking bridge 10 to be changeable, for example, the channel materials a and a are set on the workbench according to the inside and outside. And above and below In order to caulk and connect the lunges b, b, the caulking device 8 is inserted between the upper and lower flanges b of the inner channel material a, and the upper caulking device 9 and the lower caulking device 10 are widened to face each other. The upper and lower flanges b, b are brought into contact with the upper crimping bracket 9 and the lower crimping bracket 10, and then the drive cylinder 7 is operated to lower the moving crimping tool 5 to move the crimping tool 5 to the outside. The frame main body 3 abutting on the upper flange b and being suspended and held by the support body 4 by the reaction force from the channel members a, a mounted on the work table by the extension of the drive cylinder 7 As a result of this rise, the fixed caulking tool 6 of the lower frame 2 abuts the lower flange b of the outer channel material a, and the fixed caulking tool 6 and the lower caulking support 10 cause the inner and outer channel materials a and a to rise. The lower flanges b, b, and then move The crimping tool 5 and the upper crimping receiver 9 crimp the flanges b, b on the inner and outer channel members a, a. In this way, by moving one moving caulking tool 5, caulking at two locations is performed with equal pressure. Moreover, the substantially C-shaped frame body 3
The lower frame 2 is arranged outside the channel material a so as to avoid being restricted by the thickness of the lower frame 2 and avoiding a reduction in the caulking force due to insufficient strength of the lower frame 2 due to the restriction. It was done like this.

[Examples] The present invention will be described in detail below based on examples shown in the accompanying drawings.

The frame body 3 in the caulking device A is the upper frame 1
The lower frame 2 and the lower frame 2 are formed in a substantially C-shape, and are vertically opposed to each other. Specifically, the coil springs 11, 11 inserted through the support 4 hold the neutral position.

A moving caulking tool 5 is provided on the upper frame 1 so as to be movable up and down. A fixed caulking tool 6 is attached to the lower frame 2. A drive cylinder 7 that drives the moving caulking device 5 to move up and down is attached to the upper frame 1. Caulking device 8 is moved to frame body 3 Caulking device 5 and fixed caulking device 6
It is provided between and. Specifically, the frame body 3
A vertical guide body 13 is provided on the vertical frame 12 and the vertical guide body 13 is provided with a caulking receiver 8 which is vertically movable in an engaging form such as groove fitting, and is provided with two coil springs 14, 14.
Is held in the neutral position. As shown in FIGS. 3 and 4, the caulking receiver 8 has the upper caulking receiver 9 attached to the upper moving body 15 and the lower caulking receiver 10 attached to the lower moving body 16. 16 is held only on the guide block 17 so as to be able to move up and down. Vertical moving body 15,16
The taper block 18 has a taper block 18 slidably fitted therein by groove fitting, and the taper block 18 is moved forward by extension of the expansion / contraction cylinder 19 to separate the vertical moving bodies 15 and 16 from each other. , The distance between the upper crimping bridge 9 and the lower crimping bridge 10 can be increased, and the expansion / contraction cylinder 19
The upper and lower moving bodies 15 and 16 can be brought close to each other by the contraction of, and the distance between the upper crimping receiver 9 and the lower crimping receiver 10 can be shortened.

The work to be caulked by the caulking device A is a channel material a.
And as shown in FIG. 5, one channel member a
The other channel material a whose end portion has been drawn is inserted to frame the channel material a ... in a substantially square shape, and the frame-shaped material thus temporarily assembled is placed on the work table 20. At the same time, the position is fixed by a pin (not shown) to position the work.

Then, in order to caulk and connect the upper and lower flanges b, b of the channel materials a, a set in this way, as shown in FIG. 1, the upper and lower flanges b, b of the inner channel material a are connected.
The caulking device 8 is inserted between the expansion and contraction cylinders 19
When the taper block 18 is extended, the taper block 18 is advanced to widen the distance between the upper caulking bridge 9 and the lower caulking bridge 10 and bring the upper caulking bridge 9 and the lower caulking bridge 10 into contact with the upper and lower flanges b and b facing each other. . After that, the drive cylinder 7 is operated to lower the moving caulking tool 5 and the moving caulking tool 5 comes into contact with the flange b on the outer channel material a, and the work cylinder 20 is further extended by extension of the driving cylinder 7. The frame body 3 suspended and held by the support body 4 is lifted up against the coil spring 11 by the reaction force from the channel materials a mounted on the lower frame 2, and the lower frame 2 is fixed and caulked by the rising. The tool 6 contacts the lower flange b of the outer channel material a, and the fixed caulking tool 6 and the lower crimp receiver 10 crimp the flanges b and b below the inner and outer channel materials a and a, and move them. The crimping tool 5 and the upper crimping receiver 9 crimp the flanges b, b on the inner and outer channel members a, a. Then, the work is taken out by the reverse operation.

In this way, by moving one moving caulking tool 5, caulking at two locations is performed with equal pressure. Moreover, it is almost C
The lower frame 2 of the V-shaped frame body 3 is a channel material a
It is arranged outside of the above to prevent the thickness of the lower frame 2 from being restricted, and to prevent the lowering of the caulking force due to the insufficient strength of the lower frame 2 due to the restriction.

Although the channel materials a and a are crimped in the present invention as well, it goes without saying that they may be used for crimping works of other shapes.

Further, in the present invention, the moving caulking device 5 and the upper caulking device 9 are made flat, or the fixed caulking device 6 and the lower caulking device 10 are made flat to form a device for caulking at one location. Is something that can be done.

[Effects of the Invention] In summary, according to the present invention, the substantially C-shaped frame body in which the upper frame and the lower frame are opposed to each other in the vertical direction is suspended and held up and down with respect to the support body, and is moved to the upper frame. Is installed so that it can be moved up and down, a fixed caulking tool is attached to the lower frame, a drive cylinder for driving the moving caulking tool up and down is attached to the upper frame, and a caulking receiver is provided on the frame body between the moving caulking tool and the fixed caulking tool. Is provided in
The upper caulking receiver facing the moving caulking device is provided on the upper surface side of the caulking receiving device, and the lower caulking receiving device facing the fixed caulking device is provided on the lower surface side of the caulking receiving device, and the distance between the upper caulking receiving device and the lower caulking receiving device. Since the setting can be changed,
For example, to set the channel material inside and outside and set it on the workbench and crimp the upper and lower flanges together,
Insert the caulking receiver between the upper and lower flanges of the inner channel material, widen the distance between the upper and lower caulking receivers, and contact the upper and lower caulking receivers with the upper and lower caulking receivers, After that, the drive cylinder is actuated to lower the moving caulking tool, and the moving caulking tool comes into contact with the flange on the outer channel material, and by further extension of the driving cylinder, from the channel material placed on the workbench. The frame body that is suspended and held by the support body rises due to the reaction force of the above, and due to such rise, the fixing caulking tool of the lower frame abuts the lower flange of the outer channel material, and the fixing caulking tool and the It is possible to crimp the lower flanges of the inner and outer channel members with the crimping receiver, and crimp the upper flanges of the inner and outer channel members with the moving crimping tool and the upper crimping receiver. . As described above, there is an advantage that the caulking at two locations can be performed with equal pressure by moving one caulking tool. Moreover, the lower frame of the substantially C-shaped frame body is arranged outside the channel material to avoid being restricted by the thickness of the lower frame 2, and the caulking force due to the insufficient strength of the lower frame due to the restriction. There is an advantage that the decrease of

[Brief description of drawings]

1 and 2 are side views showing the operation of an embodiment of the present invention, FIGS. 3 and 4 are sectional views showing the operation of the caulking receiver of the same, and FIG. 5 is the same channel material. FIG. 6 is a partial perspective view showing the set state of FIG. 6, and FIG. 6 is a side view of the conventional example. 1 ... Upper frame, 2 ... Lower frame, 3 ... Frame body, 4 ... Support, 5 ... Moving caulking tool, 6 ... Fixed caulking tool, 7 ... Driving cylinder, 8 ... Caulking receiving tool ,
9: Upper crimp received, 10: Lower crimp received.

Claims (1)

[Claims] 1. A substantially C-shaped frame body, in which an upper frame and a lower frame are opposed to each other in the vertical direction, is hung and held so as to be able to move up and down with respect to a support, and a moving caulking tool is provided on the upper frame so as to be able to move up and down. , A fixed caulking tool is attached to the lower frame, a drive cylinder for moving the moving caulking tool up and down is attached to the upper frame, and a caulking receiver is provided in the frame body between the moving caulking tool and the fixed caulking tool. The upper caulking receiver facing the moving caulking device is provided on the upper side of the tool, and the lower caulking receiving device facing the fixed caulking device is provided on the lower surface side of the caulking device, and the distance between the upper caulking device and the lower caulking device is set. A crimping device characterized by being made changeable.