JP3264613B2 - Treater - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding machine capable of seam-welding opposed connecting rising portions of a plurality of coated metal members made of metal and forming the upper portion thereof into a good finished state. .

[0002]

2. Description of the Related Art In recent years, connection rising portions P ₁ , P _{1 of} a plurality of coated metal members P, P (mainly stainless steel, etc.) adjacent to the inner and outer surfaces of a structure are seam-welded to each other to be watertight. In addition, coated metal enclosures for airtight construction have been actively researched and developed. A joint portion t formed by seam welding the rising portions P ₁ , P ₁ for connection between the adjacent coated metal members P, P.
As shown in FIG. 7 (B), the upper end becomes a vertical rising portion as if it were a sharp blade, with the upper end being simply cut off.

[0003] For this reason, not only is it extremely dangerous for workers, but also inconveniences such as cutting cords and the like of the seam welding machine occur. Therefore, FIG.
As shown in, it is necessary to馳折the upper end portions of both coupling rising portion P _1, P ₁ between the joint portion t,馳折machine therefor have been developed.

[0004]

[SUMMARY OF THE INVENTION Incidentally, the structure of a conventional馳折machine, especially adjacent coated metal member P, the molding step of substantially right angle bend formed both coupling rising portion P _1, P ₁ of P There was a problem. That is, as shown in FIG. 8 (A), a horizontal roll a and a vertical roll b are required to bend the seam-welded connection rising portions P ₁ , P ₁ into a substantially right angle. However, the vertical roll b has a cylindrical shape, and the range in which the vertical roll b is close to and opposed to the horizontal roll a is relatively wide in the conventional type.

Therefore, as shown in FIG. 8B, even if the speed Vmax of the outer peripheral portion between the horizontal roll a and the vertical roll b is the same, the speed is lower on the side closer to the center of the horizontal roll a. Thus, a large speed difference occurs between the speed V of the vertical roll b and the speed Vmin near the center of the horizontal roll a.

[0006] For this reason, there has been an inconvenience in the folding molding using the folding machine. The disadvantage is shown in FIG.
As shown in the figure, due to the speed difference between the outer peripheral portion of the horizontal roll a and the vertical roll b, the joint t formed by joining the connecting rising portions P ₁ and P ₁ has a bending resistance. In some cases, peeling and deformation due to friction between the roll and the like (see FIG. 9 (A)), resulting in molding having a distorted wave shape, may result in poor finish (see FIG. 9 (B)).

Further, a bending force is applied to both of the connecting rising portions of the coated metal member, so that the coated metal member on the upper side is extremely disturbed by the heat generated by extreme friction and is distorted and deformed. Results. Therefore, the portion where the upper end portion of the member is incompletely folded continuously occurs intermittently.

The cause is, as described above, due to the difference in speed between the adjacent portions of the horizontal roll a and the vertical roll b. Therefore, in order to improve the finish after the completion of the reworking work, a final finishing work must be performed, but it is difficult and sometimes impossible to correct a poor finish.

[0009]

The inventor of the present invention has conducted intensive studies to solve the above-mentioned problems, and as a result, has found that the present invention provides a plurality of steps for alternately forming the upper ends of both connecting rising portions of adjacent coated metal members. In the group of folding rolls, the folding rolls at the stage of bending and forming the connecting rising portion into a right angle include a main roll rotating in a horizontal plane, a sub roll, and a right angle bending forming roll. The top surface portion is lower than the top surface portion of the main roll, and the right-angle bending forming roll is composed of a small-diameter cylindrical outer peripheral surface and a gently inclined conical outer peripheral surface. The arrangement is so arranged that the gently inclined conical outer peripheral surface is located closer to the center of the auxiliary roll, so that the finish of the arrangement can be made extremely good and the above-mentioned drawbacks and the like have been solved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. A plurality of machine frames 2 (four in the embodiment) are provided on both inner side walls of an outer casing 1 at appropriate intervals in the longitudinal direction. Is provided. Each machine frame 2 has roll bearings 3, 3 in the width direction.
Are provided substantially symmetrically. The one-sided roll bearing 3 is slidable in the vertical direction with respect to the machine frame 2,
The other-side roll bearing 3 is housed slidably in the vertical and horizontal directions with respect to the machine frame 2. The roll bearings 3 and 3 are provided as a symmetrical pair, and are provided in two rows in the front-rear direction of the outer casing 1 (see FIG. 6).

In accordance with the arrangement of the roll bearings 3, a group of roving rolls R, R,. As a specific embodiment of each treat roll R,
As shown in FIG. 1, which馳折roll R, R, has ... a group composed of four stages, and a 1st馳折roll R ₁ to the fourth馳折roll R _4. Each of the roll bearings 3 is rotatably supported via a bearing member 5, 5 so that a roll shaft 4, 4,...

[0012] and their 1st to the roll bearings 3,3 from the forefront side of the outer casing 1 toward the end side馳折roll R ₁ to the fourth馳折roll R ₄ is mounted (see FIG. 1, FIG. 6, etc.). The configuration of the roulette roll R is as follows.
Secondary rolls 9 are those paired, this arrangement this configuration until the first馳折roll R ₁ to the fourth馳折roll R ₄ are the same. In the drawing, the main roll 8 and the sub roll 9 are given subscripts according to the first to fourth folding rolls R _{1 to} R ₄ , and the main rolls 8 ₁ , 8 ₂ , 8 are added.
_3, 8 ₄ and then sub roll 9 _1, 9 _2, 9 _3, and 9 _4.

In the initial stage front (first stage) split roll R ₁ , a split upper roll 10 is pivotally supported on a main roll 8 and a sub roll 9 [FIGS. B)). Here, the initial stage is the roast roll R,
R, in the case of the ... group was fourth馳折roll R ₄ from the first馳折roll R ₁ above is that of the first馳折roll R _1. However, in the initial stage of the roast rolls R, R,..., The range of the initial stage number is an appropriate number according to the number of stages of the roast rolls R, R,.

As shown in FIGS. 1 and 4 (A) and the like, the upper folding roll 10 of the first folding roll R ₁ has both connecting rising portions P ₁ , P ₁ , to which the coated metal members P, P are joined. P
The upper end of ₁ is slightly bent. The upper folding roll 10 constituting the _first folding roll R1 has a frusto-conical shape, is formed from a conical outer peripheral surface 10b, and specifically has an angle of approximately 45 ° from the virtual vertex.

The second folding roll R ₂ has the same configuration as that of the first folding roll R ₁ , except that a right angle bending forming roll 11 is provided in place of the upper folding roll 10. The right-angle bending forming roll 11 is composed of a cylindrical outer peripheral surface 11a and a gentle inclined conical outer peripheral surface 11b (see FIGS. 2A and 2B).

The width of the cylindrical outer peripheral surface 11a of the right-angle bending forming roll 11 is extremely small, and is configured to approach only a small area near the outermost periphery on the horizontal side surface of the sub-roll 9. Further, the taper angle θ of the gently inclined conical outer peripheral surface 11b is equal to the first roll R
Which is gentler than the slope of the conical outer peripheral surface 10b of the _first馳折upper roll 10. So that the spreads gradually spacing toward the its gentle slope conical outer peripheral surface 11b and the center of the sub-roll 9 ₂ and the sub roll 9 _2.

Furthermore, just as the main roll ₈₂ in the top wall and the sub-roll 9 ₂ of the top surface portion has an appropriate step, the top surface of the main roll ₈₂ than the top surface of the sub-roll 9 ₂ (See FIG. 2B). In this second folding roll R ₂ , both connecting rising portions P of the coated metal members P, P
_1, is intended to substantially bent at a right angle shape forming an upper end of the P _1.

[0018] In this molding step, perpendicular bending forming roll 11 is rotated on the vertical plane at its cylindrical outer peripheral surface 11a is sub rolls 9 ₂ of the top surface on the vicinity of the outer periphery, both connecting the rising portions P _1, performing right angles fold forming of P ₁ [FIG. 2 (a)
reference〕. Further, as described above, the gentle slope and the conical outer peripheral surface 11b and the auxiliary roll 9 ₂ being adapted intervals toward the center of the sub-roll 9 ₂ expands gradually, therefore, is right-angled bending mold Rise P for both connections to be performed
₁ and P ₁ are, as shown in FIG.
a and pressing force from the sub-roll 9 _2
2 and the slightly inclined conical outer peripheral surface 11b are hardly subjected to a pressing force and can be brought into a contact state in which a sufficient slip is possible.

[0019] Then, the distal end of both the connecting upright portion P _1, P _1, to the only contact to one of the sub-roll 9 ₂ and gently slant conical outer peripheral surface 11b, is right-angled bending mold rotational speed difference is not applied to both the connecting upright portion P _1, P ₁ to be performed, both connecting the rising portion P _1, P ₁ is intended to fold bending Yuku been orderly without distortion in the longitudinal direction is there.

The third roasting roll R ₃ comprises only the main roll 8 ₃ and the sub-roll 9 ₃ , and the upper roving roll 10 3
Alternatively, there is no right-angle bending roll 11 or the like. This third folding roll R ₃ is formed by bending the upper part of both connecting rising portions P ₁ , P _{1 in} the previous stage of the second folding roll R ₂ into a substantially right angle shape, and further bending it downward. Molding.

[0021] The third馳折roll R ₃ is for the outer peripheral portion of the main roll 8 ₃ is formed in a cylindrical shape, the sub roll 9 ₃ inverted cone shape gradually larger in diameter toward the upper side from the lower It has an outer peripheral side surface 9a. The two connecting rising portions P ₁ , P _{1, which} are bent at right angles by the second folding roll R ₂ , have inverted conical outer peripheral side surfaces 9 a.
Is pressed and bent so as to be further inclined downward (see FIG. 5A).

Next, fourth馳折roll R ₄ are the main roll 8 _4, and consists of the sub roll 9 ₄ only, the third馳折roll R ₃ in the same manner as馳折upper roll 10 is not present. Then, those having a main roll 8 ₄ and the sub roll 9 ₄ Both cylindrical outer peripheral surface of said, third馳折roll R ₃ by both the linking rising portion P _1, the upper P ₁ is downwardly inclined The final bend is performed by making the one bent into a vertical shape further [see FIG. 5 (B)].

The roll bearings 3, 3 rotatably supporting the first th馳折roll R ₁ to the fourth馳折roll R _4, ... are gearboxes 14, 14, are provided ... (see FIG. 6). A spur gear 15 is fixed to the upper end of each of the roll shafts 4 so that the spur gears 15 of each of the rolls mesh with each other, and the spur gears 15 are housed in the upper portion of the gear box 14. Have been.

Reference numeral 18 denotes a sliding support plate, which is formed in a ski shape.
It is provided symmetrically on both the left and right sides in the width direction of the outer casing 1, and is configured to be located slightly below. The sliding support plate 1
The lower ends of the vertical rods 19 are fixedly attached to the front side (the left side in FIG. 2) and the rear side (the right side in FIG. 2).
It is fixed via L-shaped brackets 20, 20. In the embodiment, the upper part of the vertical rod 19 is inserted into a long hole formed in the bottom of the bracket 20, and is screwed with a nut from above and below.

An outer screw is formed on the vertical rod 19 and moves up and down with respect to the bracket 20, and a lock nut is tightened from both upper and lower surfaces of the bracket 20. 1, height adjustment, tilt adjustment, etc. can be performed.

[0026]

First, the folding machine according to the present invention uses the outer casing 1 as the sliding support plate 1.
Height adjustment is performed via 8,18. Outer casing 1 is slightly inclined so that the front side becomes lower with respect to the traveling direction, so that gradually the height position becomes higher in accordance with the 1st馳折roll R ₁ toward the fourth馳折roll R ₄ ( FIG.
reference).

Then, both connecting rising portions P ₁ , P _{1 where the} coated metal members P, P are joined by the first folding roll R ₁ .
Is slightly bent (see FIG. 4A). Next, the upper ends of both connecting rising portions P ₁ , P ₁ are bent and formed into a substantially right angle by the second folding roll R ₂ [FIG.
(A)].

Next, the third folding roll R ₃ is connected to the two connecting rising portions P by the second folding roll R _{2 in the} preceding step.
₁ and P ₁ are bent at a substantially right angle, and then bent downward to be inclined [FIG.
(A)]. Next, fourth馳折roll R ₄ are front stage third馳折roll R ₃ by both the linking rising portion P _1, P ₁ of the upper downward inclined more vertical form what has been bent in the process The final finishing is performed as shown in FIG. 5 (B).

[0029]

According to the first aspect of the present invention, opposed connecting rising portions P ₁ , P _{1 of} adjacent coated metal members P, P are provided.
Rolls R, R,
Are arranged in the front-rear direction of the outer housing 1 and the connecting rising portions P ₁ , P ₁ are bent at right angles to form a straight roll R.
Is composed of a main roll 8 and a sub roll 9 rotating in a horizontal plane, and a right-angle bending forming roll 11. The top surface of the sub-roll 9 is lower than the top surface of the main roll 8. Firstly, the first and second cylindrical rolls 11a and 11b are made of a narrow-width cylindrical outer circumferential surface 11a and a gently inclined conical outer circumferential surface 11b. Extremely coated metal members P, P
The first and second connecting rising portions P ₁ , P ₁ can be formed with a very good and orderly finish by bending.
In addition, there is an effect that the structure can be simplified as compared with the conventional type.

The above-mentioned effect will be described in detail. In the initial stage, the folding roll R has a gently inclined conical outer peripheral surface 11b above the vicinity of the main roll 8 and the sub-roll 9 and has a right-angle bent form which rotates on a vertical plane. The roll 11 is provided, and the top surface of the sub-roll 9 is lower than the top surface of the main roll 8 in the folding roll R at the rear of the initial stage. Further, the right-angle bending forming roll 11 includes a small-diameter cylindrical outer peripheral surface 11a and a slightly inclined conical outer peripheral surface 11b. Therefore, the width of the cylindrical outer peripheral surface 11a is extremely small, and the cylindrical outer peripheral surface 11a is configured to approach only a small area near the outermost periphery on the horizontal side surface of the sub-roll 9, so that the cylindrical outer peripheral surface 11a
The difference between the rotational speeds of the sub roll 9 and the vicinity of the outer peripheral side surface of the top surface can be reduced.

That is, as shown in FIGS. 3 (A) and 3 (B), the speed deviation can be minimized, whereby the connecting rising portions P ₁ , P _{1 of the} coated metal members P, P can be obtained. Can be prevented from being distorted in the longitudinal direction at the time of the right angle bending forming operation, and the rising portions P ₁ , P ₁ for connection can be prevented from being irregularly corrugated, so that the finish of the treatment can be made extremely good. . In addition, the right-angle bending forming roll 11
Is composed of a cylindrical outer peripheral surface 11a and a gently inclined conical outer peripheral surface 11b. The structure can be extremely simplified as compared with the conventional type, and it can be provided at a low price. Can be.

[0032] Next the invention of claim 2, in claim 1, wherein the plurality of馳折rolls R, R, ... group is intended to consist of the first馳折roll R ₁ to the fourth馳折roll R ₄ , the by having the second and馳折roll R ₂ in馳折machine formed by providing the right angle fold forming roll 11, in performing the馳折work, first positive a馳折roll R,
.., The number of groups can be reduced, and the entire apparatus can be reduced in size and a sufficient molding operation can be performed.

Next, according to a third aspect of the present invention, in the first aspect, a sliding support plate 18 is provided at a position slightly lower than the plurality of groups of separating rolls R, R,. By using a folding machine in which the rear of the sliding support plate 18 is appropriately lowered, the sliding supporting plate 18 can be smoothly moved on the coated metal members P, P, and the breaking operation can be performed efficiently. it can. Further, a motor 21 is provided on the top of the outer casing 1, and each of the rolls R, R,.
Is driven to rotate via a gear mechanism.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing the configuration of the present invention.

FIG. 2A is a perspective view showing a configuration of a second folding roll, and FIG. 2B is a longitudinal sectional front view showing a configuration of a second folding roll.

FIG. 3A is an enlarged sectional view of a main part showing a configuration of a second folding roll. FIG. 3B is a plan view showing a configuration of a second folding roll.

FIG. 4 (A) is a front view showing the structure of a first folding roll and bending forming of both connecting rising portions. FIG. 4 (B) is a configuration of a second folding roll and bending forming of both connecting rising portions. The front view showing

FIG. 5 (A) is a front view showing the configuration of a third folding roll and bending forming of a rising portion for both connections. FIG. 5 (B) is a front view showing the configuration of a fourth folding roll and bending forming of a rising portion for both connections. The front view showing

FIG. 6 is a side view of the present invention.

FIG. 7 (A) is a perspective view of a main part of an outer casing that has been subjected to a flute forming by a folding roll.

8 (A) is a longitudinal sectional front view showing the structure of a conventional type folding roll. FIG. 8 (B) is a plan view showing the structure of a conventional type folding roll. FIG. 8 (C) is a conventional type folding roll. Main part enlarged view showing the peeling phenomenon that occurs when the part is bent into a substantially right angle

FIG. 9A is a perspective view in which both connecting rising portions are bent and formed into a substantially right angle by a conventional type folding roll, and FIG. 9B is a perspective view in which both connecting rising portions are substantially vertical by a conventional type folding roll. Perspective view bent into a shape

[Explanation of symbols]

R: Feat roll R ₁ : First fever roll R ₂ : First fever roll R ₃ : First fever roll R ₄ : First fever roll 8: Main roll 9: Sub roll 11: Right angle bending Roll 11a: cylindrical outer peripheral surface 11b: gentle inclined conical outer peripheral surface 18: sliding support plate

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E04D 15/04 B21D 19/04 B21D 39/02

Claims (3)

(57) [Claims] 1. In a group of multiple-stage folding rolls for forming the upper ends of both connecting rising portions of adjacent coated metal members, the forming rolls in the step of bending and forming the connecting rising portions in a right-angled shape are horizontal planes. A main roll, a sub roll, and a right-angle bending forming roll. The top surface of the sub-roll is lower than the top surface of the main roll. The outer peripheral surface of the cylinder is disposed on the outer peripheral edge of the top surface of the sub-roll, and the outer peripheral surface of the gently inclined conical surface is located closer to the center of the sub-roll. Treat machine. 2. The plurality of folding rolls according to claim 1, wherein the plurality of folding rolls includes a first folding roll to a fourth folding roll, and a right-angle bending forming roll is provided on the second folding roll. A treat machine characterized by becoming. 3. The method according to claim 1, wherein a sliding support plate is provided at a position slightly lower than the plurality of grouping rolls to support the outer casing, and the rear of the sliding support plate is lowered as appropriate. A unique treater.