JPH02179205A - Suspended drawing roller - Google Patents

Abstract

PURPOSE:To enable miniaturization and lightening of an apparatus and simplification of its structure by connecting rotation supporting shafts, where a plurality of roller bodies face each other, through connection members respectively; by providing said connection members with detent parts for detent-holding suspension members; and by making the rotation supporting shafts of said roller bodies freely removable from said connection members. CONSTITUTION:The ends of rotation supporting shafts 11 of all roller bodies 10 are respectively connected by three connection members 12, and at least one rotation supporting shaft 11 is connected to said connection members 12 in a freely removable manner by set screws 13 and presser pieces 14. Said connection members 12 are formed into shapes supplementing recesses formed by the end faces of adjacent roller bodies 10, i.e., fan-shaped bodies supplementing annular recesses formed by three roller bodies 10. Also, each connection member 12 is provided with a through hole detent-holding a suspension member such as hook i.e., a suspension member detent part 16. Thus, it is possible to obtain a drawing roller of a simple structure and light weight.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a suspended wire drawing roller used in cable drawing.

(Prior Art) A conventional hanging type wire drawing roller has four roller bodies 1 arranged in a ring shape as shown in FIG. It is constructed by surrounding it with a frame 2, rotatably supporting the four roller bodies 1 on the frame 2, and further attaching an eye bolt 4 to one place on the outer surface of this frame 2 through which a hanging wire 3 is inserted. has been done.

(Problem to be Solved by the Invention) However, in such a conventional hanging type wire drawing roller, the plurality of roller bodies 1 are entirely surrounded by an annular frame 2, so the outer shape is large and the weight is heavy. , transportation, and handling during use are inconvenient.

Further, this conventional wire drawing roller has the disadvantage that it is difficult to manufacture it due to the shape of the frame 2, unless, for example, three roller bodies 1 are used to form a three-sided roller in order to simplify the structure.

(Means for Solving the Problems) The present invention has been made to solve the above-mentioned difficulties, and an object of the present invention is to provide a simple and lightweight hanging type wire drawing roller of #I construction.

That is, in the hanging wire drawing roller of the present invention, a plurality of roller bodies each having a rotation support shaft are arranged in a ring shape, and each rotation support shaft of these roller bodies has a suspension member locking portion. and that the roller bodies are connected to each other via connecting members having a shape that complements the recesses formed by the end faces of the adjacent roller bodies, and that the rotational support shaft of at least one roller body is detachably connected to the connecting member. This is a characteristic feature.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

1 to 3 are diagrams showing one embodiment of the present invention. In FIG. 1, three roller bodies 10 are arranged so as to form an annular shape. Each roller body 10 has a second
As shown in the figure, it is rotatably supported via a bearing on a rotating support shaft 11 arranged at its axis.

The ends of the rotating shafts 11 of each roller body 10 are connected by three connecting members 12, and at least one rotating shaft 11 can be attached to and detached from the connecting members 12 by a set screw 13 and a presser piece I4. connected. Connecting member 1
2 is a shape that complements the recess formed by the end surfaces of adjacent roller bodies 10, in other words, three roller bodies 1
It has a fan shape that complements the annular shape formed by 0.

In order to reduce the weight, the roller body 10 is made of polyacetal resin, and the rotating shaft 11 and the connecting member 12 are made of aluminum alloy.

Each connecting member 12 is provided with a through hole, that is, a hanging member locking portion 16 for locking a hanging member 15 such as a hook.

When using the hanging wire drawing roller of the present invention, the third
As shown in the figure, a hanging member 15 such as a hook or a hanging wire is locked to the hanging part attachment part 16 of the connecting member 12 and suspended, and the stopper b screw 13 of the connecting member 12 is suspended.
Then, the presser piece 14 is temporarily removed and the cable 17 is positioned within the plurality of roller bodies arranged in an annular manner.

In the embodiment, the hanging member locking portion 16 is connected to all the connecting members 12.
However, the hanging member locking portion 16, which is provided on at least one connecting member 12, is provided on all connecting members 1.
2, the hanging member 15 is attached to any connecting member 12.
Furthermore, a wire for preventing shaking can be attached to the hanging member locking portion 16 of the other connecting member 12.

4 and 5 show a second embodiment of the present invention, and parts common to those in FIG. 1 are given the same reference numerals.

This embodiment differs from FIG. 1 in that one end of the rotating shaft 11 of the roller body 10, which is detachably connected to the connecting member 12, has a hinge structure. That is, one end 11a of the rotation support shaft 11 is pivotally attached to one of the connecting members 12 by a pin shaft 18, and the other f4A portion 11b is removably fixed to the other connecting member 12 by a thumb screw 19.

A snap ring 20 is provided on the thumbscrew 19. The butterfly screw 19 is inseparably and rotatably attached to the other end 11b of the rotating shaft 11 via a presser piece 21 by a snap ring 20.

In this embodiment, by loosening the thumbscrew 19, the other end 11b of the rotating support shaft 11 can be separated from the connecting member 12, and the roller body 10 can be rotated in the front-rear direction in FIG. 4 using the pin shaft 18 as the rotating shaft. It is designed to be movable.

6 and 7 show a third embodiment ρ1 of the present invention, in which parts common to FIG. 1 are designated by the same reference numerals. This embodiment differs from FIG. 1 in that the connecting member 12 is divided into two parts and pivotally connected by a hollow support shaft 22.

The support shaft 22 is provided with a through hole 23 at its axial center, and a thread groove into which a nut 24 is screwed is provided at the outer periphery of one end.

In this embodiment, one support shaft 22 is loosened, and the other support shaft 22 is
By removing the nut 24, the connecting member 12 which has been split into two can be separated, and the roller body 10 can be rotated downward in FIG. In addition, the support shaft 22
The through hole 23 serves as a hanging member locking portion.

FIGS. 8 to 10 show a fourth embodiment of the present invention, in which parts common to those in FIG. 1 are designated by the same reference numerals.

In this embodiment, one connecting member 12 is machined in two parts and is pivoted by a hollow support shaft 22 (41!). The other end 11b of the rotating shaft is key-shaped and has a thumbscrew 25.
This is different from FIG. 1 in that it is removably fixed to the other connecting member 12.

The connecting member 12 is provided with a cutout groove 12a into which the other end 11b of the rotation support shaft is inserted. The thumbscrew 25 is provided with a drop prevention string 26 that is cut by 1 inch. A through hole 23 is provided in the axis of the support shaft 22 .

In this embodiment, by removing the thumbscrew 25, the other end 11b of the rotating support shaft 11 can be separated from the connecting member 12, and the roller body IO can be rotated downward in FIG. has been done. Note that the through hole 23 of the support shaft 22 serves as a suspension member locking portion.

11 and 12 show a fifth embodiment of the present invention, and parts common to those in FIG. 1 are designated by the same reference numerals. In this embodiment, one end 11a of the rotating shaft 11 of the roller body 10, which is detachably connected to the connecting member 12, has a hinge structure, and the other end 11b of the rotating shaft 11 has a screw shaft 30. It differs from FIG. 1 in that it is maintained by

That is, one end 11a of the rotation support shaft 11 is connected to the pin shaft 18.
is pivotally connected to one connecting member 12 by the other end 11b.
is removably fixed to the other connecting member 12 by a screw shaft 30.

As shown in an enlarged view in FIG.
It is slidably and non-rotatably inserted into a through hole 31a provided in 1b. In order to keep the screw shaft 30 in a non-rotating state, an elongated thread 32 extending in the length direction is provided in the middle of the threaded shaft 30, and a pin 33 fixed to the connecting member 12 is inserted into this elongated thread 32.

The screw shaft 30 has a knurled rotating link 3.
The 0-rotation ring 34 to which 4 is screwed is rotatably fitted into a through hole 35 provided in the connecting member 12, with a part of its outer peripheral surface protruding from the outer surface of the connecting member 12. Reference numeral 36 is a stopper pin for preventing the screw shaft 30 from moving into the through hole 31 beyond a certain level, and is fixed to the connecting member 12.

In this embodiment, by rotating the rotating ring 34, the screw shaft 30 reciprocates within the through holes 31 and 31a. When the screw shaft 30 moves downward in FIG. 12, it is removed from the through hole 31a of the other end 11b of the rotation support shaft. Therefore, the other end 11b of the rotating support shaft 11 can be separated from the connecting member 12, and the lowest roller main body 10 can be rotated in the front-back direction in FIG. 11. Resin washers 34a are interposed on both sides of the rotating ring 34, so that the rotating ring 34 rotates smoothly without directly contacting the connecting member 12 during rotation.

13 and 14 show a sixth embodiment of the present invention, in which parts common to those in FIG. 1 are given the same reference numerals.

This embodiment has a structure in which one connecting member 12 is divided into two parts and pivoted by a hollow support shaft 22, and the other end 11b of the rotating support shaft is connected to the other connecting member 12 by a screw shaft 40. It differs from FIG. 1 in that it is detachably fixed to the holder.

As shown in an enlarged view in FIG. 14, the screw shaft 40 is inserted into a through hole 41 provided in the connecting member 12 in a slidable and non-rotatable state. In order to keep the screw shaft 40 in a non-rotating state, a long shaft 42 is provided in the middle part of the screw shaft 40, and this long shaft 4
A pin 43 fixed to the connecting member 12 is inserted into the connecting member 2 .

A knurled rotary link 44 is screwed onto the screw shaft 40. The zero-rotation ring 44 is fitted into a through hole 45 provided in the connecting member 12, and a part of its outer circumferential surface protrudes from the outer surface of the connecting member 12. It is made to be.

The connecting member 12 is provided with a cutout groove 12a into which the other end tib of the rotational support shaft is inserted. A lock pin 46 is installed deep inside the notch groove 12a.

A recess 47 into which a lock pin 46 can be fitted is provided at the other end 11b of the rotation support shaft.

In this embodiment, by rotating the rotating ring 44,
The screw shaft 40 reciprocates within the through hole 41.

When the screw shaft 40 moves to the right in FIG. 14, it separates from the end surface of the other end 11b of the rotation support shaft.

Therefore, the other end 11b of the rotation support shaft is connected to the connecting member 12.
The roller main body 10 can be rotated downward in FIG. 13.

Further, in this embodiment, since the load applied to the rotary support shaft 11 during use is applied to the screw shaft 40, the end portion of the rotary support shaft 11
If the end 40a of the screw shaft 40 in contact with the rotary shaft 40 is a threaded surface, there is a risk of so-called biting and crimping.
The end portion 40a is not a threaded surface but a smooth surface.

Note that the provision of the lock bin 46 and the recess 47 prevents the rotary support shaft 11 from separating from the connecting member 12 during use. Further, washers 34a made of resin are interposed on both sides of the rotating ring 34, so that the rotating ring 34 rotates smoothly without directly contacting the connecting member 12 during rotation.

In each of the above-described embodiments of the present invention, an example having three roller bodies has been described, but the present invention also includes a roller body having four or more roller bodies.

(Effects of the Invention) As described above, the hanging wire drawing roller of the present invention has a locking portion that connects the opposing rotating support shafts of a plurality of roller bodies through a connecting member, and locks the hanging member to the connecting member. By providing this, a frame that surrounds the entire circumference of multiple roller bodies as in the conventional structure described above is not used, so it is possible to reduce the size and weight, and the structure is simple and easy to handle, and even three rollers can be easily manufactured. be able to.

Further, according to the present invention, by making the rotation shaft of at least one roller main body detachable from the connecting member,
It is easy to arrange the cables within a plurality of annularly arranged roller bodies.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an embodiment of the suspended wire drawing roller of the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG.
The figure is a perspective view of the same embodiment, FIG. 4 is a plan view showing the second embodiment of the present invention, FIG. 5 is a longitudinal sectional view taken along line B-B in FIG. 4, and FIG. A plan view showing the third embodiment, FIG. 7 is a sectional view taken along the line C-C in FIG. 6, and FIG.
FIG. 9 is a plan view showing the embodiment of FIG.
10 is a partially longitudinal side view taken along line E-E in FIG. 8, FIG. 11 is a plan view showing the fifth embodiment of the present invention, and FIG. 13 is a plan view showing a sixth embodiment of the present invention, FIG. 14 is a sectional view showing essential parts of the same embodiment, and FIG. 15 is a conventional hanging wire drawing roller. FIG. 10......Roller body 11...
・・・・・・Rotation shaft 12・・・・・・・・・・・・
・Connecting member 15...... Hanging member 16
・・・・・・・・・・・・Latching part l Figure/2 112 style lock diagram Kyotsu diagram

Claims (1)

[Claims] (1) A plurality of roller bodies having rotating shafts are arranged in a ring shape, and each rotating shaft of these roller bodies has a hanging member locking portion and is connected to the end surface of the adjacent roller bodies. A suspended wire roller, characterized in that the rollers are connected to each other via connecting members having a shape that complements the recesses to be formed, and the rotating shaft of at least one roller body is detachably connected to the connecting member. .