JPH0749133B2 - Caulking device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caulking device, and more specifically, for caulking workpieces such as a channel material, it is intended to perform caulking as prescribed even when the intersecting angle between the workpieces is small. It is related to the technology.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3 (a), a substantially C-shaped frame body 3 in which caulking tools 5 and 6 are provided on an upper frame 1 and a lower frame 2, respectively, It is composed of an expansion / contraction unit 11 which is arranged between the upper and lower frames 1 and 2 and which is provided with upper and lower crimping receivers 9 and 10 so as to be expandable and contractible. By driving the crimping tool 5 with respect to the upper and lower crimping receivers 9 and 10, the crimping is performed. The caulking device Aa is approximately C
The expansion / contraction unit 11 is provided on the vertical frame 23 of the character-shaped frame body 3. Then, in order to caulkly connect the channel materials a, a, the upper and lower frames 1 and 2 of the substantially C-shaped frame body 3 are arranged above and below the upper and lower flanges b and b of the channel materials a and a, and further expansion / contraction is performed. The unit 11 is inserted into the inside of the channel members a, a, for example, the upper moving caulking tool 5 is lowered by the drive cylinder 7,
The channel members a and a are fixed to each other by caulking with the fixing caulking tool 6 of the lower frame 2. 1 in the figure
3 is a vertical guide frame, 14 is a spring, and 22 is a workbench.

[0003]

However, in such a structure, the expansion / contraction unit 11 is provided inside the substantially C-shaped frame body 3 in the vertical guide frame body 13 of the frame body 3. As shown in FIG. 3B, when the crossing angle θ between the caulking channel members a, a is sufficiently wide, for example, a right angle, it is easy to set the channel members a, a on the caulking device Aa. However, when the crossing angle θ ₁ between the channel materials a, a becomes small, the channel materials a, a cannot be set in the caulking device Aa, and the caulking connection between the channel materials a, a cannot be performed. There was a problem.

The present invention has been made in view of the above problems, and an object of the present invention is to perform a caulking device for caulking a work such as a channel material even if the crossing angle of the work is small. To try to serve.

[0005]

The present invention provides an upper frame 1
And a lower frame 2 are provided with caulking tools 5 and 6, respectively, and a substantially C-shaped frame main body 3, and upper and lower frames 1 and 2 of the frame main body 3 and the upper and lower caulking receivers 9 and 10.
And an expansion / contraction unit 11 that can be expanded / contracted freely,
A caulking device for performing caulking by drivingly moving the caulking tools 5, 6 with respect to the upper and lower caulking receivers 9, 10, wherein the caulking standby position for allowing the expansion / contraction unit 11 to enter the inside of the frame body 3 and the expansion / contraction unit 11 for the frame. The expansion / contraction unit moving means 12 for switching to a work set position for escaping out of the main body 3 is provided over the frame main body 3 and the expansion / contraction unit 11.

[0006]

For example, the expansion / contraction unit 11 is moved by the expansion / contraction unit 11 to caulk the upper and lower flanges b, b by setting the channel members a, a as the work inside and outside, and setting them on the workbench. To the outside of the frame body 3, and the channel members a, a are arranged inside the substantially C-shaped frame body 3. After that, the scaling unit 11
Is driven and inserted into the inside of the channel material a, a, and the caulking receivers 5, 6 are inserted between the upper and lower flanges b, b of the inner channel material a. The upper and lower flanges b, b which are opposed to each other with a distance between the upper crimping receiver 9 and the lower crimping receiver 10 widened
The upper caulking bridge 9 and the lower caulking bridge 10 are brought into contact with each other. Then, the caulking tools 5, 6 are actuated to move the upper and lower caulking supports 9, 1
The upper and lower flanges b, b of the inner and outer channel members a, a are crimped with respect to 0. In this way, by allowing the expansion / contraction unit 11 to freely move in and out of the frame body 3, the channel material a can be placed inside the substantially C-shaped frame body 3 without being influenced by the cross angle of the channel materials a. , A are set and caulking is performed regardless of the crossing angle of the work.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. The frame body 3 of the caulking device A is formed in a substantially C-shape with the upper frame 1 and the lower frame 2 facing each other in the vertical direction. A caulking tool 5 is provided on the upper frame 1 so as to be able to move up and down by a drive cylinder 7. A caulking tool 6 is provided on the lower frame 2 so as to be able to move up and down by a drive cylinder 7.

An expanding / contracting unit 1 having upper and lower caulking receivers 9 and 10 freely expandable and contractable inside a substantially C-shaped frame body 3.
1 is allocated. As shown in FIGS. 2A and 2B, the expansion / contraction unit 11 has an upper crimping receiver 9 attached to an upper moving body 15 and a lower crimping receiver 10 attached to a lower moving body 16. Is held by the guide block 17 only so as to be able to move up and down. Further vertical moving bodies 15, 16
The taper block 18 has a taper block 18 and is slidably fitted by groove fitting.
8 can be moved forward by the expansion of the expansion / contraction cylinder 19 and the vertical moving bodies 15 and 16 can be separated to increase the distance between the upper crimping receiver 9 and the lower crimping receiver 10, and the expansion / contraction cylinder 19 can be contracted. The upper and lower moving bodies 15 and 16 are brought close to each other so that the distance between the upper caulking receiver 9 and the lower caulking receiver 10 can be reduced.

The expansion / contraction unit 11 having the above-described structure is connected to the expansion / contraction base 21 and the upper frame 1 of the frame body 3 is connected.
And a caulking standby position for moving the expansion / contraction unit 11 into the frame main body 3 with respect to the frame main body 3 by the moving cylinder 20 as the expansion / contraction unit moving means 12, and the expansion / contraction unit 11 outside the frame main body 3. It is possible to switch to the work set position for escape.

The work to be caulked by the caulking device A is the channel material a, and as shown in FIG. 1, one channel material a is drawn at the end portion and then the other channel material a.
, And frame the channel material a ... in a substantially square shape, and place the frame-shaped material temporarily assembled in this way on the workbench 22 and position it with a pin (not shown). Fix and position the work.

Thus, in this way, the channel materials a, a
1 is set on the workbench 22 inside and outside, and the upper and lower flanges b and b are caulked and connected.
As shown by the phantom line in (a), the expansion / contraction unit moving means 1
Expansion / reduction unit 11 with moving cylinder 20
To the outside of the frame body 3, and the channel members a, a are arranged inside the substantially C-shaped frame body 3. After that, the expansion / contraction unit 11 is driven and moved by the moving cylinder 20 to be inserted into the channel members a, a, and the upper and lower caulking receivers 9, 10 are inserted between the upper and lower flanges b, b of the inner channel member a. To do. The upper caulking receiver 9 and the lower caulking receiver 10 are brought into contact with the upper and lower flanges b and b which are opposed to each other with the distance between the upper caulking receiver 9 and the lower caulking receiver 10 widened. Then, the caulking tools 5, 6 are actuated to move the upper and lower caulking supports 9, 1
The upper and lower flanges b, b of the inner and outer channel members a, a are crimped with respect to 0. In this way, by allowing the expansion / contraction unit 11 to freely move in and out of the frame body 3, the channel material a can be placed inside the substantially C-shaped frame body 3 without being influenced by the cross angle of the channel materials a. , A are set and caulking is performed regardless of the crossing angle of the work.

Incidentally, also in the present invention, the channel materials a, a
Although it has been crimped, it goes without saying that it may be used for crimping a work having another shape.

[0013]

As described above, according to the present invention, the expansion / contraction unit moving means for switching the expansion / contraction unit between the caulking waiting position for advancing the expansion / contraction unit inside the frame main body and the work set position for ejecting the expansion / contraction unit out of the frame main body. Since it is provided over the main body and the expansion / contraction unit, for example, the expansion / contraction unit can be moved by the expansion / contraction unit moving means to set the channel material inside and outside the work table and to caulk and connect the upper and lower flanges. To the outside of the frame body, place the channel material inside the substantially C-shaped frame body, and then drive and move the expansion / contraction unit to insert it inside the channel material, and the upper and lower flanges of the inner channel material. Insert the caulking bracket between them, and widen the gap between the upper and lower caulking brackets so that the upper and lower flanges face each other. Is brought into contact with the caulking receiving a lower crimping receiving and actuates the crimping tool, it is of caulking the upper and lower flanges each other inside and outside of the channel member between the upper and lower crimping receiving. By allowing the expansion / contraction unit to move in and out of the frame body in this way, the channel material can be set inside the substantially C-shaped frame body without being affected by the size of the crossing angle of the channel material. There is an advantage that caulking can be performed regardless of the angle.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, and (a) and (b) are a side view and a schematic plan view showing the operation.

2 (a) and 2 (b) are cross-sectional views showing the operation of the above crimping receiver.

FIG. 3 shows a conventional example, (a) is a side view showing an operation,
(B) is a schematic plan view.

[Explanation of symbols]

 1 Upper Frame 2 Lower Frame 3 Frame Main Body 5 Caulking Tool 6 Caulking Tool 9 Upper Caulking Receiving 10 Lower Caulking Receiving 11 Expansion / contraction unit 12 Expansion / contraction unit moving means

Claims (1)

[Claims] 1. An expansion / contraction unit that is arranged between a substantially C-shaped frame main body in which an upper frame and a lower frame are provided with respective caulking tools, and is provided between upper and lower frames of the frame main body and is capable of expanding and contracting an upper and lower caulking receiver. A caulking device configured to drive a caulking tool with respect to the upper and lower caulking receivers to perform caulking, the caulking waiting position for allowing the expansion / contraction unit to enter the inside of the frame body, and the expansion / contraction unit outside the frame body. A caulking device, characterized in that expansion / contraction unit moving means for switching to a work set position for escape is provided over the frame body and the expansion / contraction unit.