JPS60261626A - Continuous coil manufacturing device - Google Patents

Abstract

PURPOSE:To obtain a U-shape coil having no bending deformation by providing a one-way clutch on a delivery roll, forming each roll of bending, folding and gripping as a split type, providing a separating device on one side, and also providing each roll continuously by a link mechanism. CONSTITUTION:Following a delivery roll 8, each roll 9, 10 and 11 of bending, folding and gripping is provided, a holding roll 51 is placed in the vicinity, and the rolls 9-11 are provided continuously by link mechanisms 37, 39. In this regard, the rolls 9-11 are formed as a two-split type, a groove part is provided on opposed parts, and one side is provided continuously on a separating device. When a pipe 3 is fed linearly to the roll 11 and a receiving base of the roll 11 is turned, the links 37, 39 are bent and the roll 10 rotates in a half circle and also the roll 9 advances straight, and bending of the first step is performed for the pipe 3. In this regard, a one-way clutch of each roll draws in an elongation of the pipe 3, and the roll separating device releases the holding of the pipe 3. In this way, a U-shape coil having no bending deformation can be manufactured.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention is directed to a cylindrical object made of a long material, such as a via' (hereinafter referred to as a 4-ve) having a hollow cross section, which is formed into a U-shape with a constant linear length. This invention relates to a continuous flexible pipe manufacturing device that continuously and alternately performs folding and turning.

(Prior art) For example, in the past, a method of extinguishing lightning on roads, airports, etc. in cold regions was to bury heat radiation pipes underground and send groundwater to them. Previously, this was done by connecting with a type joint, or by welding a piece bent into a U-shape, but in both cases, it was either manually processed on-site, or made into a unit nano-shaped shape and connected on-site. It had been taken.

Japanese Patent Application Laid-Open No. 54-112771 for a similar bending machine of this type.
No. is disclosed. The bending die 11 shown in FIG. 8 has a top portion with a shallow groove on the circumferential surface and flat portions on both sides
* 12 * 13 are each independent, and in this example, the bending die 12 moves diagonally upward, 1s moves to the left, and together the rolls 21, 2, . While bending the f-build 3,
Set it to form a serpentine shape/mother 3 (Fig. 9),
- After forming, the bending die 11112+13 retreats in the direction of the arrow as shown in FIG.

In this method, in the process of completing the bending process from the straight line state in the first stage, the length of the safety f3 needs to move by the amount of increase in the circular bending part during the process, but the bending die 11 + 1!
+ 13 is fixed and not circular, only the top is circular, and it has parallel flat parts on both sides, so there are two corners, making it difficult to move the pipe 3. ・The outside of the 4th ide 3 is tensile・The inner side is highly compressed and the cross section has no choice but to deform.

(Object of the Invention) In recent years, the above-mentioned shipping state of f-ves has been to wind up as much long material as possible onto a drum and supply it as an ultra-long material.

In the present invention, the iso 3 is continuously fed, folded at a certain pitch, and at the same time restrained to perform U-bending.
It is an object of the present invention to provide a continuous flexible tube manufacturing device that can feed a required length of flexible tube material by releasing the restraint.

(Structure and operation of the invention) The gist of the present invention is to provide a bending roll following a delivery roll equipped with a one-way clutch.

Place folding rolls and gripping rolls, bend, and fold.

Each of the gripping rolls is connected to the holding roll by a link mechanism with a presser roll placed nearby, and each of the bending, folding, and gripping rolls is of a two-piece type, with a groove formed in the oppositely installed part, and at least one side of the roll is connected to the separating device. This is a continuous flexible pipe manufacturing device that is characterized by the following features:

The present invention will be explained in detail below using embodiments shown in the drawings.

As shown in Fig. 1.4.5, the drum 4 that has wound up the long nof wire 3 rotates around the drum shaft 5, and sends out the mother wire 3, but bends in the vertical and horizontal directions. Straighten with Karano or Iprepera 6.7 and supply as straight material.

Next, the processing rolls are delivery roll 81182 + bending roll 91e92 + folding roll 10. ．． 10□.

Grasp roll it1. xi, both of which form a pinch roll and have a bending groove B in the center of the roll, and other than the delivery roll 81rs, the rolls are divided into upper and lower halves from the bending groove B 91-1 + 9x-z + 9□ -1+92-21・
・・111-+ + 111-2 a 11z-+ e
112-*, and after the bending process is completed, the upper roll 91-
2'+ 92-3+..." 1-2+112-2 is raised by a separating device 26, for example, an elevating cylinder, and the opposing rolls are separated to enable multiple feeding of the workpiece. Feed-out roll 81 shown in FIG. +81 is equalizer gear 2
5 and is fixed to two vertical shafts 14 in a gate-shaped frame 13 on a pedestal 12, supported by upper and lower bearings 15 and 16, and a one-way clutch 17 is incorporated in the lower bearing 15. Enables an increased amount of retraction during infeed bending. Note that the vertical shaft 14 is driven by a drive device 18. Next bending roll 9119m + folding roll 1 of l t
, o, l The gripping rolls 111 and 11 have the same structure, so to explain using the example shown in Fig. 3, [mold frame 1
The inner upper and lower support bearings 201 and 202 of 9 are the vertical shafts 211
．． ．． 21. The vertical shaft 212 is fixed to the support bearing 202, with a clearance of C size (4 mm diameter and 2 mm) at the tip of the shaft.

The vertical shaft 211 is supported by a support bearing 201 having a one-way clutch 22 .

The lower roll 91-1192-1 is the equalizer gear 25
They are integrally meshed with each other, rotated together by a pinion 28 (described later), and positioned by a collar 24.

(5) Upper roll 91-11! r92-2 is also integral with the equalizer gear 25 and rotates at the same time by a wide pinion 32, which will be described later, but is raised and lowered by a lifting cylinder 26 using a vertical shaft 212 as a guide with a lifting amount 31, which will be described later, and is positioned by a collar 27.

Next, the lifting cylinder 26 is connected to the bending roll 91-2192-2.
+The groove is aligned with the circular flange 25 of the equalizer gear 25, and the gear is suspended and held. Binion 28.32 is bearing 2
The pinion 32 is provided on a pinion shaft 30 that is pivotally supported by a pinion 30, and has a wide width for raising and lowering, and meshes with the equalizer gear 25. The rolls 91'e92-11. ,12. There are multiple d-holes in the lower roll and pin 5 in the upper roll to ensure that the lift can be attached and removed.
0 and fit them together to synchronize them. In addition, this roll has a presser roll 51 with a bending groove B in a negative position at the position shown in FIG.
is provided at the A1, 2 link 37.391.39° in the bending direction position shown in the figure to correct the processing deformation of the tube 3 during the bending process shown in FIGS. 4(C) to 4(,).

The presser roll 51 is loosely fitted onto a vertical shaft 55 fixed to a slide table 54 which uses a guide table 53 as a wide-end guide with f<f' (6) as shown in FIG. This prevents springback after processing, and the detachment cylinder 57 detaches from the bending/f-bub 3 to the position indicated by the chain line.

Next, the installation and operation of each roll is as follows: bending roll 91°920
The configuration is such that a straight line in the direction shown in Fig. 1 runs inside the P rail 34,
The above-mentioned device included in the mold frame 19 is attached to a pedestal 38, in which the top of a pedestal 36 that moves on wheels 35 is rotatably engaged with an A1 link 37, which will be described later.

The bending rolls 91+9g+folding rolls 101+102 are attached to the A1 link 37 at a serpentine bending pitch P, and the folding rolls 101
11021 grip roll 111+112 is also the same pitch P,
In this example, A2 link 39 has a built-in rotating chino, which will be described later.
Connected with 1 + 392, gripping roll 11t + 11z
Figure 4(d)(e) using the fulcrum as the fulcrum.

;) The link shown in Figure 8 rotates. That is, the bending roll 9
1.92 moves in a straight line, and the folding roll 1011102 moves in an arc of radius. [The mold frame 19 of the folding roll 1011102 is the contact point of the cliff 1, 2 link 37, 391° 392 and the cradle 40. The gripper is attached to the pedestal 41 of the handle 111 + 112, and the lower end of the pedestal 40 is the wheel 4 which is attached to the horizontal shaft 42.
3, it rolls on the guide rail 44 and receives the load. The pedestal 41 is provided with a rotary drive device 46 on a fixed pedestal 45, and a gear 4
Rotate the pedestal 41 at step 7.

In addition, gripping rolls 111, 11, folding rolls 10Hp
The sprocket wheel and chain hook 48.49 with the 10'2 pedestal 41.40 correct the displacement of the roll by bending the link.

To explain the above in terms of work order, in this example, the 1,000 yen (3) is pulled out from the winding drum 4 by driving the biprepeller 6.7, and is supplied to the feed rolls 81 + 82.
The roll is driven by a drive device [
At step 18, linear feeding is carried out in the arrangement shown in the plan view of FIG. Next, when the gripping rolls 111, 112 and the cradle 41 are rotated 90 degrees by the drive device 46, the A2 link 39. ．． 392 The bending roll 9 rotates with the flat 1 link 37, and the folding roll 101°102 rotates in a semicircle A 1 j J link 37 bending roll 9
! , 92 follow the linear guide rail 34 and pass through FIG. 4(c) to complete the bending process of the first stage flexible pipe. At this time, the length of No. 4 and Izo 3 is as follows: Pull it in easily with the one-way clutch 17.22 provided on each roll, then grab it, and fold it
Bending roll 1111121+1()+ +10* *9
When each of the lifting cylinders 26 at t r9x is raised, the upper part of the roll rises, and the mother id 3 that was being processed is released and sent out by a pitch feed conveyor (not shown) by one pitch, as shown in FIG. 4(d). force in the form of , again the drive 46
This is a continuous flexible pipe manufacturing device that repeats the process of reversing the shape by 90 degrees and returning to the shape shown in Figure 4 (,).

(Effect of the invention) As described above, as in the conventional method, a U-shaped joint is attached to each stage of the flexible pipe.
Alternatively, welding for bending involves cutting and discarding standard length materials, resulting in waste, manual man-hours, and inefficiency (including transportation).
The bending jig of No. 4-112771 cannot avoid deformation due to bending, but the device (9) of the present invention can efficiently produce the required number of long materials without any defects and continuously without deformation due to bending. There are excellent effects that can be achieved.

[Brief explanation of the drawing]

FIG. 1 is an overall side view showing an embodiment of the device of the present invention;
Figure 3 is a partial front view of the same device, Figure 4 (a), (b), (e), (d)
, (e) is a conceptual diagram illustrating the bending process of the mother ingot according to the present invention, FIG. 5 is a plan view of an apparatus according to an embodiment of the present invention, FIG. 6 is a partial plan view of the same apparatus, and FIG. 7 is a diagram of the same apparatus. The partial front view, FIG. 8, FIG. 9, and FIG. 10 are conceptual diagrams showing the bending process of 9 iso by the conventional device. 1: Bending mold, 2: Roll, 3: No arm ide, 4 Ni drum, 5 Ni drum shaft, 6: /f leveler, 7: i4 leveler, 8; Delivery roll, 9; Bending roll, 10
: Folding roll, 11: Grip roll, 12: Frame, 13: Gate frame, 14: Vertical shaft, (10) 15: Bearing, 16: Bearing, ]7: One-way clutch, 18: Drive device, 19: [Mold] Frame, 20: Bearing,
21: Vertical shaft, 21: One-way clutch, 24: Collar, 25: Equalizer gear, 26: Lifting cylinder, 27: Collar, 28: Pinion, 29: Bearing, 30: Pinion, 3 Lifting piece, 32: Pinion, 34 : Straight guide rail, 35: Wheel, 36: Frame, 37: Link, 38: Pedestal, 39: Link, 40: Pedestal, 41: Pedestal, 42: Horizontal axis, 43: Wheel, 44 Ni guide rail, 11 4s: Fixed base, 46: Rotation drive device, 47:
Gear, 48: Cheno 49: Chain, 50: Bin, 51: Presser roll, 53 Ni guide stand 154 Ni Ride stand, 55: Vertical shaft, 57: Separation cylinder. JP-A Sho GO-261626 (6) JP-A Sho GO-261 (li26 (7) “ Yue 5 11 Kainichi a6U-261626 (8) Figure 8 Figure 9 1-1i9 section 1-. + Figure 10

Claims (1)

[Claims] A bending roll, a folding roll, and a gripping roll are arranged next to a feeding roll equipped with a one-way clutch, and each of the bending, folding, and gripping rolls is connected with a presser roll in the vicinity by a link mechanism, and the above-mentioned A continuous flexible pipe manufacturing device characterized in that each of the bending, folding, and gripping rolls is of a two-piece type, a groove is formed in the opposing part, and at least one side of the roll is connected to a separation device.