JP3263560B2 - Double frame coiler - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coiler for winding a rolled strip into a coil.

[0002]

2. Description of the Related Art FIG. 3 is a conceptual diagram showing an example of a conventional coiler, FIG. 4 is a conceptual diagram showing a state at the start of coil winding in the coiler, and FIG. FIG.

In FIG. 3, reference numeral 38 denotes a unit roller, which is arranged around a mandrel 39 which is driven and rotated.

Reference numeral 36 denotes a throat guide, and 37 denotes a circular guide, which moves together with each unit roller 38 to the outside of a coil maximum diameter 50 indicated by a two-dot chain line.

[0005] Reference numeral 35 denotes an overguide, which is pivotally attached to the coiler housing 33 and moves outside the coil maximum diameter 50.

Reference numeral 31 denotes a roller table, 32a and 32b denote pinch rolls, and 34 denotes an apron.

In FIG. 4 and FIG. 5, reference numeral 41 denotes a large frame which is pivotally connected to a coiler base 49 by a frame bearing 42 and is connected to a rod portion of a cylinder 43 which is pivotally connected to the coiler base 49.

Reference numeral 44 denotes a small frame.
5 is pivotally connected to the large frame 41 and is connected to a rod portion of a cylinder 46 pivotally connected to the large frame 41.

The circular guide 37 is fixed to a small frame 44, and the unit roller 38 is rotatably mounted on the small frame 44.

The throat guide 36, the other circular guide 37 and the unit roller 38 shown in FIG. 3 are mounted and mounted on the small frame 44 in the same manner as described above.

Next, the operation of the conventional device will be described . First, as shown in FIG. 4, each large frame 41 is swung by a cylinder 43 in a direction approaching the mandrel 39.
And position the small frame 44 inside the coil maximum diameter 50.
Let it. At the same time, the small frame 44 is swung by the cylinder 46 in a direction approaching the mandrel 39,
Each unit roller 38 and circular guide 37 and man
A desired gap is formed with the drain 39.

The leading end of the strip 30 conveyed from the apron 34 by the roller table 31 and the pinch rolls 32a and 32b is engaged with the gap between each unit roller 38 and the mandrel 39 to start winding. .

When a predetermined tension acts between the band plate 30 and the pinch rolls 32a and 32b by winding the band plate 30 several layers, FIG.
As shown in FIG.
Throat guide 36 and circular guide 37, small frame 4
4. The entire large frame 41 is rocked to the outside of the coil maximum diameter 50, and the outer peripheral surface of the coil 30a is pressed by each unit roller 38 immediately before the winding is completed.

[0014]

By the way, in the conventional coiler described above, when the large frame 41 is set only by the cylinder 43 as shown in FIG. Is incorrect and unstable.

Therefore, the setting is made by the swing of the small frame 44.
Gap between the mandrel 39 and the unit roller 38 to be
Between is not constant, the take-up at the start of the gap of the strip 30 fine
Degree worse. As a result, there was a problem in biting the band plate 30 and pressing the band plate 30 wound around the mandrel 39 by the unit roller 38.

An object of the present invention is to provide a new double-frame coiler which solves the above-mentioned problems and enables the position of a large frame to be set and fixed accurately at the start of winding of a strip.

[0017]

In order to achieve the above object, a double-frame coiler according to the present invention has one end pivotally supported by a coiler base around a mandrel for winding a strip.
And the one end is used as a fulcrum by the operation of the cylinder.
Swings in the direction of approaching or moving away from the mandrel
Multiple large frames and swingable to each of these large frames
And a small frame pivotally attached to it
A supported unit roller arranged, the large frame
While swinging in the direction approaching the mandrel.
By swinging the small frame, the unit
To adjust the gap between the roller and the mandrel.
I, ten at a position away from the one end of the large frame
Connect one end of the tension bar and the other end of this tension bar
Can slide the stopper pivotally attached to the above coiler base
And the other end of the tension bar
The large frame is swung in the direction approaching the mandrel.
Screw the adjust nut that comes into contact with the stopper when
Contact between these stoppers and the adjustment nut.
Swinging position of the large frame at the start of winding of the strip
It is characterized by specifying the position .

[0018]

According to such a configuration, at the time of starting winding of the strip.
First, place the tension bar connected to the large frame.
After fixing the adjustment nut in place,
Swing the large frame in the direction approaching the mandrel
You. This allows the adjustment nut to slide on the large frame.
It swings until it touches the topper, and this contact causes the mandrel
The position of the large frame with respect to the file is accurately determined. This result
As a result, when the small frame is rocked following the large frame
The gap formed between the unit roller and the mandrel
Set the gap accurately and stably according to the thickness of the strip
Between the mandrel and the unit roller.
Smooth biting of the strip can be performed, and the mandrel
Pressing the wrapped strip with the unit roller is reliable.
You. Also, adjust the adjustment nut screw-in amount.
And adjust the parallelism between the mandrel and the unit roller.
Can be

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual diagram showing a state at the start of winding of a coiler according to an embodiment of the present invention, and FIG. 2 is a conceptual diagram showing a state immediately before the winding of the coiler of FIG. 1 is completed.

The same members and devices as those of the conventional apparatus are denoted by the same reference numerals, and redundant description will be omitted.

In FIG. 1 and FIG. 2, reference numeral 1 denotes an entry-side large frame, which is pivotally attached to a coiler base 49 by a frame bearing 3 and connected to a rod portion of a cylinder 43 pivotally attached to the coiler base 49.

Reference numeral 2 denotes a large outgoing frame, which is pivotally connected to the coiler base 49 by the frame bearing 4 and is connected to a rod portion of a cylinder 43 pivotally connected to the coiler base 49.

One tension bar 5 is disposed on each of the drive side and the working side on the entrance side and the exit side, respectively, and slidably passes through stoppers 6 pivotally attached to the coiler base 49, respectively. One end of the tension bar 5 is
Connected at a position away from the pivot end of the frames 1 and 2
I have. An adjustment nut 7 is screwed into the other end of the tension bar 5 .

Numeral 11 denotes an entry-side upper small frame, and numeral 12 denotes an entry-side lower small frame, both of which are pivotally attached to the entrance-side large frame 1 by frame bearings 15 and 16, and which are pivotally attached to the entrance-side large frame 1. It is connected to the rod part of the cylinder 46, respectively.

Reference numeral 13 denotes an outlet upper small frame, and reference numeral 14 denotes an outlet lower small frame, both of which are pivotally attached to the outlet large frame 2 by frame bearings 17 and 18, and which are pivotally attached to the outlet large frame 2. It is connected to the rod part of the cylinder 46, respectively.

The throat guide 36 is the upper small frame 1 on the entrance side.
1 fixed.

The circular guide 37 includes the lower small frame 12 on the entrance side.
It is fixed to the exit upper small frame 13 and the exit lower small frame 14, respectively.

Each of the unit rollers 38 includes the upper small frame 11, the lower small frame 12, and the upper small frame 1.
3 and the output side lower small frame 14 are rotatably mounted respectively.

Next, the operation of the present apparatus will be described. As shown in FIG. 1, the adjusting nut 7 is fixed at a predetermined position at the other end of the tension bar 5, and
2 toward the mandrel 39 via the cylinder 43
Rock. As a result, the large frames 1 and 2
Swing until the cast nut 7 contacts the stopper 6,
Large frame 1, 2 against mandrel 39 by contact of
Position is determined accurately.

At this time, a tension corresponding to the pressing force of the cylinder 43 acts on both tension bars 5.

Then, each of the small frames 11, 12, 1
The cylinders 3 and 14 are moved by the cylinder 46 and set inside the coil maximum diameter 50, and the arc portions of each unit roller 38, the circular guide 37 and the throat guide 36 are set so as to form a predetermined gap with the mandrel 39. .

Then, the leading end of the strip 30 conveyed from above the apron 34 by the roller table 31 and the pinch rolls 32a and 32b is engaged with the gap between each unit roller 38 and the mandrel 39 to start winding. .

When a predetermined tension acts between the band plate 30 and the pinch rolls 32a and 32b after winding the band plate 30 several layers, FIG.
As shown in the figure, each unit roller 38, throat guide 36 and circular guide 37, small frames 11, 12, 1
3 and 14, the large frames 1 and 2 and the over-guide 35 are all moved outside the coil maximum diameter 50 and made to stand by.

At this time, both tension bars 5 slide and move in the stopper 6.

Immediately before the end of winding, each of the small frames 11, 12, 13, and 14 is swung toward the mandrel 39 by the cylinder 46 so that each of the roller units 3 is rotated.
8 is pressed against the outer peripheral surface of the coil 30a.

The parallelism between the mandrel 39 and each of the unit rollers 38 can be adjusted by adjusting the positions of the adjustment nuts 7 on the drive side and the work side.

Although one embodiment of the present invention has been described in detail, the present invention is not limited to the above-described embodiment, and various design changes can be made within the technical idea of the present invention. It belongs to the technical scope of the present invention.

[0038]

According to the double frame coiler of the present invention, when the winding of the band plate is started, a large amount of the mandrel is required.
The position of the frame can be determined accurately. others
When the small frame swings after the large frame
The gap formed between the unit roller and the mandrel
Set the gap accurately and stably according to the thickness of the strip
Between the mandrel and the unit roller.
Smooth biting of the strip can be performed, and the mandrel
Ensure that the unit roller is pressed against the wound strip
Can be. Also, adjust the tension bar
By adjusting the screwing amount of the nut, the mandrel and unit
The degree of parallelism with the roller
There are advantages.

Accordingly, the gap between each unit roller and the mandrel is set accurately and stably, so that the strip can be smoothly engaged between the mandrel and the unit roller, and the unit of the strip wound around the mandrel can be formed. The pressing by the roller can be ensured, and the parallelism between the mandrel and the unit roller can be adjusted by adjusting the winding start position fixing device.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing a state at the start of coil winding in a double frame coiler according to one embodiment of the present invention.

FIG. 2 is a conceptual diagram showing a state immediately before the coil winding of the coiler of FIG. 1 is completed.

FIG. 3 is a conceptual diagram showing an example of a conventional coiler.

FIG. 4 is a conceptual diagram showing a state at the start of winding of the coiler of FIG. 3;

5 is a conceptual diagram showing a state immediately before winding of the coiler of FIG. 3 is completed.

[Description of Signs ] 1, 2, large frame 5, tension bar 6, stopper 7, adjustment nut 11, 12, 13, 14, small frame 30, strip 38, unit roller 39, mandrel 43, cylinder 49, coiler base

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-9717 (JP, A) JP-A-56-169910 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B21C 47/02 B21C 47/06

Claims (1)

(57) [Claims] 1. An end around a mandrel for winding a band plate
Is pivoted to the coiler base, and the cylinder operates.
Approached the mandrel with the one end as a fulcrum
Multiple large frames swinging in the direction away from
A small frame pivotally attached to the large frame,
Unit roller rotatably supported by this small frame
And swing the large frame in the direction approaching the mandrel.
By swinging the above small frame with
Adjust the clearance between the unit roller and the above mandrel
A double-frame coiler , wherein the tension is set at a position away from the one end of the large frame.
Connect one end of the bar and the other end of this tension bar
Slidably penetrates a stopper pivotally attached to the coiler base
At the other end of the tension bar,
When the frame is swung toward the mandrel
Screw the adjustment nut into contact with the stopper, and
The contact between these stoppers and the adjustment nut
Defines the swing position of the large frame at the start of winding the strip
Double frame coiler, characterized in that it was.