JPH1190749A - Retaining device for curved part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a retaining device for curved part which can retain a curved part involving a curved part properly at a fixed prescribed position in a prescribed attitude. SOLUTION: This retaining device is provided with two reference blocks 13, 14 which press-pressure the end parts of a curved part 2 and adjust the curve shape of the curved part 2, and pressure-chucks 16, 18 which are formed so as to be capable of approaching and departing freely to/from each other in a crossing direction to the press-pressuring direction to the respective end parts of the curved part 2, and clamps the respective end parts of the curved part 2 while pressing them to setting blocks 11, 12 sides, thus it is possible to retain the curved member 2 properly in a prescribed posture and at a prescribed position exactly and stably even for a curved part 2 with a little- different curve shape and length, and conduct retaining operation automatically for higher operating efficiency.

Description

DETAILED DESCRIPTION OF THE INVENTION

The present invention relates to a holding device for a curved part which holds a curved part having a curved portion at a predetermined position and in a predetermined posture.

[0002]

2. Description of the Related Art Conventionally, when performing a separate mounting operation or welding on a curved part having a curved part, if the dimensions, length, width, and thickness of the curved part may be different, In addition, various operations have to be performed while manually holding the curved parts and the like.

For example, as shown in FIG. 4, a substantially cylindrical component 1 and a plate-shaped curved component 2 having a curved portion 2a are provided.
When the electronic component 4 is manufactured by welding the component 3 having the thin plate portion 3b fixed to the cylindrical portion 3a to each other,
Since the dimensions, length, width, and thickness of the curved part 2 may be different, the component 1 and the component 3 are welded to the curved part 2 based on both ends of the curved part 2. doing. In this case, conventionally, as shown in FIG. 5, one end of the curved part 2 and the component 1 are overlapped by the reference dimension X1 by using a setting jig 5 corresponding to the shape of the curved part 2. To the other end of the curved part 2 and the cylindrical part 3 a of the component 3 by using a setting jig 6 corresponding to the shape of the curved part 2. Welding was carried out manually while maintaining the distance to the reference dimension X2. 4 and 5, reference numeral 7 denotes a welding point.

[0004]

However, according to the above-mentioned conventional holding method, the curved part 2 and the component 1 or the curved part 2 and the component 3 are respectively divided into the reference dimensions X1 and X2 by the scale. In this case, since the welding was performed while being held manually, it was difficult to hold the curved part 2 at a predetermined position and a predetermined posture, and it was difficult to obtain stable quality at the time of welding.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a holding device for a curved part capable of favorably holding a curved part having a curved portion at a predetermined position at a predetermined position. It is intended for.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is a curved component holding device for holding a curved component having a curved portion, in which both ends of the curved component are mounted. At least one of the plurality of mounting portions to be mounted and each end of the curved component mounted on the mounting portion is allowed to move back and forth, and the end portion is pressed to adjust the curved shape of the curved component. A possible bending posture regulating member is provided as a pair, and is capable of freely approaching and separating from each end of the curved part in a direction orthogonal to the pressing direction, and each end of the curved part is described above. A holding member for holding the pressing portion against the placement portion is provided. With this configuration, the curved component having the bending portion can be satisfactorily held in a predetermined posture at a predetermined predetermined position.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 is a curved component holding device for holding a curved component having a curved portion, wherein a plurality of the components are mounted on both ends of the curved component. And at least one of the end portions of the curved component placed on the placing portion is freely retractable so that the end portion can be pressed to adjust the curved shape of the curved component. The posture regulating member is provided as a pair, and is capable of freely approaching and separating from each end of the curved part in a direction orthogonal to the pressing direction. And a holding member for holding the holding member while pressing the holding member.

In this configuration, the bending shape of the curved part can be changed to a predetermined posture by pressing each end of the curved part with the bending posture regulating member. Is held by the pressing member, the curved part can be satisfactorily held at a predetermined position while maintaining the posture.

According to a second aspect of the present invention, in the holding device for a curved component according to the first aspect, an inclined surface inclined at a predetermined angle is formed at a tip of each holding member, and the holding member is provided. Are brought closer to each other, so that the inclined surfaces of the pressing members abut on both ends of the curved component from both sides, and hold the curved component while pressing each end of the curved component against the mounting portion.

With the above structure, even when there are many types of width and thickness dimensions of the curved part, the center of the width of the curved part between the pressing members is not affected by the difference in the width and thickness dimensions. This makes it possible to keep the position coincident with the intermediate position.

An embodiment of the present invention will be described below with reference to the drawings. Since the components of the electronic component to be processed are the same as those in the related art, the same reference numerals are given and the description is omitted.

As shown in FIGS. 1 to 3, both end portions of the curved component 2 are placed along placing blocks 11 and 12 as placing portions. One mounting block 11 extends vertically so as to extend along one end of the curved part 2, and the other mounting block 12 extends horizontally (for example, along the other end of the curved part 2). (In the front-rear direction) and are fixed respectively.

A reference block 13 serving as a bending posture regulating member which is movable upward and downward so as to be able to come into contact with the end surface of the one end of the curved part 2 is provided above the mounting position of one end of the curved part 2. Are arranged. In addition, a reference position as a bending posture regulating member which is movable back and forth in the front-rear direction and can abut on the end surface of the other end portion of the curved component 2 is provided on the right side of the mounting position of the other end portion of the curved component 2. A block 14 is provided. In other words, the reference blocks 13 and 14 press both ends of the curved component 2 so that the curved shape of the curved component 2 can be adjusted.

Each end of the curved part 2 is held from right and left by holding chucks 15, 16, 17, 18 as holding members arranged in pairs. In addition, each holding chuck 15,
The mounting blocks 11, 1 are provided at the tips of 16, 17, 18 respectively.
Inclined surfaces 15a, 16a, 17a, 18a that spread toward the two sides
(For example, the inclination angle is 45 °). Further, concave and convex portions 15 b, 16 b, 17 which engage with each other are formed at the tips of the holding chucks 15, 16, 17, 18.
b, 18b are formed so that the pair of holding chucks 15, 16, 17, 18 are satisfactorily butted against each other.

Although not shown, each of the components 1 and 3 to be welded to the curved part 2 is fixed at a predetermined position in the vicinity of each end of the curved part 2. In the above configuration, the curved component 2 is first placed along the placement blocks 11 and 12, and then the reference block 13 and
14 is moved downward and rearward (to the left in FIG. 1), each end of the curved part 2 is pressed and bent so as to move to the curved part 2a side, and the curved part 2 is bent in a predetermined bending posture. As a result, the components 1 and 3 are adjusted to have predetermined reference dimensions X1 and X2. Thereby, as shown in FIG. 1, even the curved parts 2A and 2B having slightly different curved shapes and lengths are regulated to the predetermined posture.

In this state, each holding chuck 15, 1
6, 17 and 18 are brought close to each other, and the front ends are closed while being engaged, and both ends of the curved part 2 are sandwiched from the left and right. Thereby, as shown in FIGS. 2 and 3,
Inclined surface 15 of each holding chuck 15, 16, 17, 18
The a, 16a, 17a, and 18a abut the left and right edges of the end of the curved part 2 from right and left, and each end of the curved part 2 is pressed against the mounting blocks 11 and 12 side. Then, even when there are many types of widths and thicknesses of the curved part 2, the centers of the widths of the curved part 2 are held down by the chucks 15 and 16, without being affected by the difference in the width and the thickness.
17 and 18 (that is, the mounting block 11,
12 center position) and is securely held.

Therefore, since the curved part 2 is securely held in a predetermined bending posture and position, the components 1, 3
Therefore, the curved part 2 can be stably arranged, and stable quality can be obtained when the components 1 and 3 and the curved part 2 are welded. In addition, since the curved component 2 is automatically held in the predetermined bending posture and position, various operations such as automatic welding can be performed efficiently without taking time and effort.

In the above-described embodiment, a case where the present invention is used for welding to the curved member 2 has been described. However, the present invention is not limited to this, and is used for various operations after holding the curved member 2. It goes without saying that it is possible. In the above embodiment, the bending portion 2
Although the case where the curved member 2 is bent by about 90 ° through “a” has been described, the present invention is not limited to this, and it goes without saying that the curved member 2 can be held with respect to curved members having various shapes. In addition, it is also possible that only one of the reference blocks 13 and 14 can freely move in and out, and the other can be fixed. Further, the inclined surfaces 1 of the holding chucks 15, 16, 17, 18
The inclination angle of 5a, 16a, 17a, 18a is not limited to 45 °, but the pair of holding chucks 15, 1
It is sufficient that the inclination angles of 6, 17, and 18 are the same.
In the above embodiment, the holding chuck 1
At the tips of 5, 16, 17, and 18, irregularities 15 b, 16 b, 17 b, and 18 b are formed so as to mesh with each other, so that they can be satisfactorily abutted. , 17b, 18b are not limited to this, and these uneven portions 15b, 16b
b, 17b and 18b may be omitted. Further, the holding device as described above may be provided in various transport facilities and the like.

[0019]

As described above, according to the present invention, the bending posture regulating member for adjusting the curved shape of the curved part by pressing the end of the curved part, and the bending posture regulating member for each end of the curved part By providing a pressing member that is allowed to approach and separate from each other in a direction perpendicular to the pressing direction and that holds each end of the curved part while pressing it against the mounting portion side, the curved shape and the length are slightly different. The curved member can be reliably and stably and satisfactorily held in a predetermined posture and a predetermined position with respect to the component, and the holding operation can be automatically performed, thereby improving work efficiency.

Further, each holding member has an inclined surface inclined at a predetermined angle formed at its tip, and the inclined surface of each holding member is brought into contact with the end of the curved component from both sides by bringing the holding members closer to each other. By contacting and holding each end of the curved part while pressing it against the placement part side, even if there are many types of width and thickness dimensions of the curved part, the influence of the difference in the width and thickness dimensions can be reduced. Without receiving the curved part, the curved part can be held at a predetermined position.

[Brief description of the drawings]

FIG. 1 is a side view of a holding device for curved parts according to an embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing an upper side of the holding device for curved parts.

FIG. 3 is a perspective view of a main part showing a lower side of the curved component holding device.

FIG. 4 is a perspective view of an electronic component in which a curved component and a component are welded and connected.

FIGS. 5A and 5B are perspective views showing a conventional method of holding a curved part.

[Explanation of symbols]

2, 2A, 2B Curved part 2a Curved portion 11, 12 Mounting block (mounting portion) 13, 14 Reference block (curving posture regulating member) 15, 16, 17, 18 Holding chuck (holding member) 15a, 16a, 17a, 18a Inclined surface

Claims (2)

[Claims] An apparatus for holding a curved component having a curved portion, comprising: a plurality of placing portions for placing both ends of the curved component; and a plurality of placing portions placed on the placing portion. A bending attitude regulating member capable of adjusting the bending shape of the curved part by pressing at least one end of each of the curved parts so that at least one of the ends is freely retractable and provided,
A bending member comprising a holding member which is freely movable toward and away from each end of the curved part in a direction perpendicular to the pressing direction, and which clamps each end of the curved part while pressing the end against the mounting part side. -Shaped part holding device. 2. An inclined surface inclined at a predetermined angle is formed at the tip of each holding member, and the inclined surface of each holding member is brought into contact with the end of the curved component from both sides by bringing the holding members closer to each other. The holding device for a curved part according to claim 1, wherein the holding part presses and holds each end of the curved part against the mounting portion side.