JP2553121Y2 - Caulking tool - 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 for fixing a tight material to a tight material mounting groove of a frame material.

[0002]

2. Description of the Related Art In a sash, watertightness when a shoji is closed,
In order to maintain airtightness, a tight material is attached to the frame material (one of the frame materials) of the shoji, and this is brought into contact with the tight material receiving portion of the sash frame. Tight material 1 as shown in FIG.
Is inserted into the tight material mounting groove 3 integrally formed with the frame material 2, and then the groove walls 4a, 4 of the tight material mounting groove 3 are inserted.
b is clamped from above and below by the caulking tool 5 and fixed.

[0003] However, such a caulking device 5 is not provided with the groove walls 4a, 4b and the pressing portions 6a, 6b of the caulking device 5 when caulking.
Since the tight material 1 is sandwiched between the tight materials 1, cuts and linear crushed portions due to pressure are formed in the tight material 1. And the tight material 1 is subjected to the turning operation repeatedly each time the shoji is opened and closed.
Can easily become fatigued from such damaged parts and eventually tear.

[0004] In addition, the means for clamping by clamping from above and below cannot be used when there is no space below the tight material mounting groove 3 of the frame material 2 as shown in FIG.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a crimping tool capable of crimping a tight material mounting groove without damaging the tight material.

[0006]

A main body and first and second pressing portions are provided. The first pressing portion and the second pressing portion are arranged to be in contact with the outside of both groove walls of the tight material mounting groove. The first pressing portion is disposed on the main body side. The main body is provided with driving means for moving the first and second pressing portions toward and away from each other in a direction facing both groove walls.

In the above, it is a preferable configuration that one of the first pressing portion and the second pressing portion is fixed to the main body and the other is driven by the driving means. In the above, it is a preferable configuration that the approach and separation of the first pressing portion and the second pressing portion by the driving means are performed by the relative rotation of the other pressing portion with respect to the one pressing portion. In the above, the first
It is a preferable configuration that the approach and the separation by the driving unit of the pressing unit and the second pressing unit are performed by the relative translation of the other pressing unit with respect to the one pressing unit.

[0008]

The first pressing portion and the second pressing portion cooperate to caulk the groove walls on both sides of the tight material mounting groove inward, thereby pressing down the base of the tight material. The configuration in which the first and second pressing portions approach and separate from each other in the direction facing the two groove walls prevents the pressing portions from interfering with the tight material.

[0009]

FIG. 1, FIG. 2 and FIG. 3 show a first embodiment, in which a caulking device 5 is provided with a main body 7 and a first pressing portion 6a.
Lever 8 and second lever 9 provided with second pressing portion 6b
It is composed of The main body 7 has the same structure as the air nipper, and has upper and lower jaw members 10a and 10b which are opened and closed by internal driving means at the distal end. The driving means is a well-known air pressure operating mechanism mainly including an air cylinder and a link mechanism.

The first, second or upper and lower designations are based on the drawings for convenience of explanation, and there is no particular distinction between the first and second directions. In use, it is determined by the arrangement of the tight material mounting groove 3, and the direction is arbitrary. Hereinafter, the same applies in the present specification.

The first lever 8 and the second lever 9 are pivotally connected at an intermediate portion by a rotation shaft 11, and the rear end of the first lever 8 is connected to the lower jaw member 1.
The upper end of the second lever 9 is engaged with a pin 13 provided on the upper jaw member 10a through a long hole 14. Therefore, upper and lower jaws 10a, 10
When b is opened and closed, the tips of the first lever 8 and the second lever 9 are also opened and closed.

The distal end of the second lever 9 is formed wide as shown in FIG. 2 and has a hollow structure with an open distal end. The tip of the first lever 8 is inserted downward from a cutting hole 15 (FIGS. 1 and 2) provided at the center in the width direction at the tip of the second lever 9, and the rotation shaft is positioned at that position. 11 supports the second lever 9. And
The first lever 8 has a cam plate 16 projecting obliquely upward at the tip as shown in FIG. The cam plate 16 has a cutting hole 15.
, And can rotate around the rotation shaft 11.

A slider 18 is mounted on a hollow portion 17 of the distal end of the second lever 9 which opens forward. The slider 18 (FIG. 4) is also wide and has a vertical through hole 19 at the center, a first pressing portion 6a at the front end, and both sides are guided by both side walls of the second lever 9 and can slide forward and backward. It has been. The front portion of the slider 18 is bent downward, and its tip is a first pressing portion 6a, which faces the second pressing portion 6b at the front end portion of the second lever 9. That is, the first pressing portion 6a is provided in front of the second pressing portion 6b by setting the front portion of the slider 18 located above the opposed first pressing portion 6a and the second pressing portion 6b as the straddling portion 20 (FIG. 1). Be placed. Therefore, the straddling portion 20 crosses over the tight material mounting groove 3 with a space therebetween during the caulking operation.

The first pressing portion 6a has one projection P projecting rearward at the center in the width direction and having a wedge shape in plan view (FIGS. 4 and 5). The surface where the second pressing portion 6b faces the groove wall is a flat surface.

The first pressing portion 6 a has the same width (left and right dimensions) as the slider 18, and the second pressing portion 6 b has the same width as that at the tip of the second lever 9.

The aforementioned through hole 19 in the slider 18
The guide rollers 21 are provided on the front groove surface and the rear groove surface.
The cam plate 16 extends between the guide rollers 21 and 21. Reference numeral 22 denotes a coil spring, which is mounted between the second lever 9 and the rear end surface of the slider 18, and
Is urged forward.

The caulking device 5 is used and operates as follows. In FIG. 1, the first pressing portion 6a is applied to the outer surface of the groove wall 4a on the front side of the tight material mounting groove 3, and the second pressing portion 6b is formed on the groove wall 4b on the rear side of the tight material mounting groove 3. When the upper and lower jaw members 10a and 10b are closed by the driving means of the main body 7 after the outer surface is brought into contact with the outer side surface, the distal ends of the first lever 8 and the second lever 9 are closed, and the cam plate 16 is rotated about the rotation shaft 11. And move upward.

Then, the slider 18 is connected to the guide roller 2.
The first pressing portion 6a and the second pressing portion 6b move rearward through the zero. That is, the first pressing portion 6a and the second pressing portion 6b move in the direction facing the groove walls 4a and 4b on the front side and the rear side of the tight material mounting groove 3. In this case, the tight material mounting groove 2 is strongly pressed from both sides by the leverage of the first lever 8 and the second lever 9 with the rotation shaft 11 as a fulcrum and the boosting mechanism by the cam plate 16. The protrusion P of the pressing portion 6a bites into the groove wall 4a on the front side of the tight material mounting groove 2, and a part of the groove wall 4a is protruded into the groove to be deformed (FIG. 6). It is crimped to the tight material mounting groove 3. The movement of the cam plate 16 is smooth by the guide roller 20.

When the jaw members 10a and 10b of the main body 7 are opened,
While being urged by the coil spring 22, the first pressing portion 6a is separated from the second pressing portion 6b by the reverse operation. At this time, the movements of the first pressing portion 6a and the second pressing portion 6b are also in opposite directions, but both groove walls 4a, 4b of the tight material mounting groove 3a.
This is the direction opposite to.

As described above, the first pressing portion 6a and the second pressing portion 6b abut on the side surface of the tight material mounting groove 2, and the first pressing portion 6a avoids the upper portion of the tight material 1 by the straddle portion 20. Therefore, the tight material 1 is not damaged during the caulking operation. Further, as described above, the first pressing portion 6a and the second pressing portion 6b abut against the side surface of the tight material mounting groove 2 from outside, and are opposed to the two groove walls 4a and 4b of the tight material mounting groove 3 in the direction. Since it moves, the caulking operation can be performed even when there is no concave portion on the lower surface side of the tight material mounting groove 3 as shown in FIG.

7 and 8 show a second embodiment, which has a manual structure. The main body 7 has a first lever 8 and a second lever 9
These levers 8 and 9 are supported by a rotation shaft 11.

The second lever 9 has a front end formed on the second pressing portion 6b and an upwardly extending front end portion, after which a hook-shaped support portion 23 bent forward is integrally formed. The support portion 23 is configured to be wide. The distal end of the first lever 8 is bent upward from the rotation shaft 11 so as to be forward from the rotation shaft 11 on the same side with respect to the second lever 9, and is formed into a short lever-shaped push-up portion 24. ing. As shown in FIG. 5, the first lever 8 is separated into a fork at the end of the rotation shaft 11 and is pivotally supported with the second lever 9 interposed therebetween. Located on both sides on the lower rear side.

A rotation lever 25 having a first pressing portion 6a is rotatably supported by a rotation shaft 26 at the front end of the support portion 23. The rotation lever 25 has a vertical portion 27 and a horizontal portion 28,
With the horizontal portion 28 as the rear, a corner portion that is a connecting portion of the two portions is supported by the rotating shaft 26. The vertical portion 27 and the horizontal portion 28 are basically separated left and right, and are pivotally supported so as to sandwich both sides of the support portion 23 of the second lever 9 between the left and right horizontal portions 28. The lower end of the vertical portion 27 is the first
The left and right horizontal portions 28 are connected to each other by the pressing portions 6a, and the rear portions of the left and right horizontal portions 28 are formed as contact portions 29 each having a shape descending toward the push-up portion 24. The first pressing portion 6a is provided with a wedge-shaped protrusion P protruding rearward at the center, similar to the above.

The first pressing portion 6a is disposed so as to face the second pressing portion 6b, and the support portion 23, the vertical portion 27 and the horizontal portion 2 are provided above the space between the pressing portions 6a and 6b.
The straddling portion 20 is constituted by 8. In other words, the straddling portion 20 is spaced above the tight material mounting groove 3 and located transversely during the caulking operation.

In FIG. 4, reference numeral 30 denotes a coil spring which urges the rear of the first lever 8 and the second lever 9 in an opening direction. A mainspring spring 31 (FIG. 8) is also mounted between the support portion 23 and the rotation lever 25 at the position of the rotation shaft 26, and the tip of the contact portion 29 is constantly pushed up.
Are biased to be in contact with the upper surface of the.

Therefore, as shown in FIG.
And the second pressing portion 6b are connected to the two groove walls 4a of the tight material mounting groove 3 by
4b, the first lever 8 and the second lever 9 are squeezed and tightened, the push-up portion 24 rotates the rotation lever 25 about the rotation shaft 26, and the rotation lever 25
The first pressing portion 6a located at the lower end of the vertical portion 27 is moved toward the second pressing portion 6b and pressed. First pressing portion 6
a, the movement of the second pressing portion 6b is a relative rotation in which one of the two pressing portions 6b is rotated with respect to the other from either side, and the direction thereof is opposite to the two groove walls 4a, 4b of the tight material mounting groove 3. Direction.

This action is related to the action / reaction between the first pressing portion 6a and the second pressing portion 6b, and the first pressing portion 6a
Projecting portion P forms a deformed portion projecting inward of the groove in the groove wall 4a on the front side.
Is caulked. The pressing force is increased when the grip force of the operator is increased by the lever mechanism of the first lever 8 with the pivot shaft 11 as a fulcrum and the lever mechanism of the pivot lever 28 with the pivot shaft 26 as a fulcrum. Deformation to the groove wall 4a can be easily made.

When the grip force is weakened, the first lever 8 is released from the second lever by the coil spring 30, so that the first pressing portion 6a is connected to the second pressing portion 6b by the tight material mounting groove 3.
Are separated in the direction facing the two groove walls 4a and 4b.

Reference numeral 32 denotes an engaging portion, which is formed with a step above the second pressing portion 6b. Engagement part 32
In the caulking operation, the first and second pressing portions 6a and 6b are easily positioned during the operation by applying a step to the shoulder of one of the groove walls 4b.

Also in the case of the second embodiment, during the caulking operation, the first and second pressing portions 6a and 6b move in the direction facing the two groove walls 4a and 4b of the tight material mounting groove 3, so that the tight material is used. 1 is not damaged. Also, the first lever 8
The second lever 9 is the main body 7 as the caulking device 5 and also a driving means. The second embodiment can be easily used as a manual tool.

FIG. 9 shows a third embodiment in which the caulking operation by the first pressing portion 6a and the second pressing portion 6b is based on the approach / separation of the relative parallel movement of these claws, and the driving means is An electric motor 33 is provided.

The first lever 8 and the second lever 9 are connected to the case 34
The main body 7 is housed inside. The first lever 8 is wide and is supported on the upper surface of the second lever 9 so as to be slidable in the front-rear direction using the upper surface as a guide. The second lever 9 supports the first lever 8 and the motor 3 as described above.
3, a base frame accommodating driving means having a speed reducer 35, a first link 36, a second link 37, a ball screw 38 and a ball nut 39.

The first lever 8 is bent into a U-shape with its front opening downward and formed on the straddling portion 20, and the lower portion of the tip is a first pressing portion 6a. Also, the first
A guide piece 40 is fixed to the rear end of the lever 8. The second lever 9 includes a guide projection 41 whose front end is formed as a second pressing portion 6b and whose rear end is bent upward and protrudes forward on the front side.

The first lever 8 and the second lever 9 are connected by driving means by inserting the guide piece 40 at the rear end of the first lever 8 into the guide projection 41 at the rear of the second lever 9. That is, the motor 33 is mounted on the center of the second lever 9 in the front-rear direction, the ball screw 38 is mounted on the output shaft of the second lever 9 via the speed reducer 35, and the rear end of the first link 36 is rotatable on the guide piece 40. The front end of the second link 37 is rotatably mounted at the front of the second lever 9 at the rear surface of the second pressing portion 6b. The rear end of the link 37 is rotatably mounted on a ball nut 39 screwed to a ball screw 38. The motor 33 is attached to the second lever 9 so as to be able to slide a small distance in the front-rear direction.

Reference numeral 42 denotes an escape hole for allowing the upper end of the ball nut 38 to escape. The first link 36 and the second link 37 are arranged at the center in the width direction of the second link 9, and the front end of the second link 37 is formed at the center of the rear side of the second pressing portion 6 b by the second lever 9. Is combined with In this embodiment, the portion of the first pressing portion 6a facing the groove wall 4a does not have the projection P as described above, and the second pressing portion 6a has the second pressing portion 6a.
It is flat like the pressing part 6b.

Therefore, as shown in FIG.
a on the side surface of one groove wall 4a (front) in the tight material mounting groove 3, and the second pressing portion 6b on the other groove wall 4b.
Are brought into contact with the sides of the motor 33 from outside.
Is driven in the forward direction, the ball nut 39 is raised by the ball screw 38, and the first link 36 and the second link 37
The first link 36 and the second link 3 of the toggle mechanism composed of
The angle between 7 becomes large. Then, the guide piece 40 moves rearward from the point where the second link 37 is attached to the front shaft, and the first link 37 moves to the first position.
The first pressing portion 6a and the second pressing portion 6b approach each other via the link 8 by parallel movement in a direction facing the two groove walls 4a and 4b of the tight material mounting groove 3. Thereby, the groove wall 4a,
4b is pressed toward the inside of the groove.

This operation is performed in the same manner as described above.
Due to the relationship between the action and the reaction of the second pressing portion 6b, both the groove walls 4a and 4b of the tight material mounting groove 3 are both pressed inward and inclined. Thereby, the tight material 1 is caulked to the tight material mounting groove 3.

In this manner, the tight material 1 can be caulked not by projecting and deforming the groove wall 4a or the groove wall 4b by the protrusion P but by inclining the groove wall 4a or the groove wall 4b to the inside of the groove. it can.

The pressing force at this time is such that the output of the motor 33 is the speed reducer 34, the ball screw 38, the first and second links 3
It is powerful because it is enlarged by the toggle link mechanism consisting of 6, 37.

Also in the third embodiment, the first pressing portion 6a and the second pressing portion 6b move in the direction facing the two groove walls 4a, 4b of the tight material mounting groove 3, so that the tight material is 1 will not be crushed. Further, the caulking device 5 is provided with both groove walls 4a, 4b of the tight material mounting groove 3.
Can be used even if there is no recess below the tight material mounting groove 2 as shown in FIG.

In order to separate the first pressing portion 6a from the second pressing portion 6b, the motor 33 is rotated in the opposite direction. Then, the ball nut 39 is lowered, the angle between the first link 36 and the second link 37 is reduced, and the first lever 8 is sent forward with the front shaft attachment point of the second link 37 as a base point. Thereby, the first pressing portion 6a is separated from the second pressing portion 6b.

In the case of the third embodiment, a powerful caulking operation can be easily performed using a relatively small motor.

The above is the embodiment. As another embodiment,
A structure in which the first pressing portion 6a and the second pressing portion 6b are moved in parallel by air pressure using a cylinder / piston mechanism may be employed. In addition, the first pressing portion 6a, the second pressing portion 6
It is also possible to adopt a configuration in which b is approached and separated by driving means provided corresponding to each.

Further, the shape of the straddling portion 20 located behind the first pressing portion 6a is arbitrary as long as the straddling portion 20 crosses the tight material mounting groove 3 with a space therebetween.

[0045]

[Effect of the Invention] When the tight material is attached to the tight material mounting groove of the frame material by caulking, the tight material is not damaged. It can be used even when there is no recess below the tight material mounting groove, and the range of use is wide.

[Brief description of the drawings]

FIG. 1 is a front view of a main part of a first embodiment, a part of which is shown in cross section.

FIG. 2 is a plan view of a main part of the first embodiment.

FIG. 3 is a front view of the first embodiment.

FIG. 4 is a front view of a slider.

FIG. 5 is a plan view of a slider.

FIG. 6 is a sectional front view for explaining a crimped state.

FIG. 7 is a front view of the second embodiment.

FIG. 8 is a plan view of the second embodiment.

FIG. 9 is a front view of the third embodiment, a part of which is shown in cross section.

FIG. 10 is a front view of a conventional example showing a work situation.

FIG. 11 is a front view showing a cross section of a tight material mounting groove portion of a frame material (frame material).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tight material 2 Frame material (frame material) 3 Tight material attachment groove 4 Groove wall 5 Caulking tool 6 Pressing part 7 Main body 8 First lever 9 Second lever 20 Straddling part

Claims (4)

(57) [Scope of request for utility model registration] 1. A caulking tool for fixing a tight material to a tight material mounting groove, comprising first and second pressing portions that contact the outside of both body walls of the main body and the tight material mounting groove. A caulking device comprising a driving means for moving the pressing portions toward and away from each other in a direction facing both groove walls. 2. The swaging tool according to claim 1, wherein one of the first pressing portion and the second pressing portion is fixed to the main body, and the other is driven by driving means. 3. The method according to claim 1, wherein the first pressing portion and the second pressing portion are approached and separated by the driving means by a relative rotation of the other pressing portion with respect to the one pressing portion. Item 8. A caulking device according to Item 2. 4. The method according to claim 1, wherein the first pressing portion and the second pressing portion are moved toward and away from each other by the driving means by a relative translation of the other pressing portion with respect to the one pressing portion. Item 8. A caulking device according to Item 2.