JPS62268827A - Attaching and detaching device for ring holder - Google Patents

Abstract

PURPOSE:To make it possible to attach and detach a ring holder to and from a ring rail readily only by rotating the ring holder, by equipping the ring rail with a large number of engaging members and the ring holder with a great number of fixing parts at symmetrical positions with respect to rotation. CONSTITUTION:A ring rail 1 is equipped with engaging members 2 (screws in the figure) and a ring holder 3 is provided with fixing parts (holes to be engaged with the screws in the figure) 7 at symmetrical positions with respect to rotation around the central axis of a ring R to be engaged with the ring holder 3. Consequently, the ring holder 3 is readily attached to and detached from the ring rail in a state wherein the ring R is fixed to the ring holder 3.

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention is a device for detachably attaching a ring holder fitted with a ring to a ring rail in a ring spinning machine or a ring twisting machine. Regarding.

(Conventional technology) In conventional ring spinning machines and ring twisting machines, a ring holder with a ring fitted therein is fastened to a ring rail with screws, and when replacing the ring, the ring holder is removed from the ring rail and the ring was attached to and detached from the ring holder.

(Problem to be Solved by the Invention) Therefore, when replacing the ring at all, it is necessary to turn a large number of screws in order to attach and detach the ring holder, making the ring replacement extremely complicated. In addition, it is necessary to perform centering adjustment work for each ring that has been replaced, resulting in the problem that a great deal of labor is expended for the work of attaching and detaching the rings, and that the time required for the machine to stop is increased.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, simplify the I2@ operation of the ring, and provide a detachable @HH for a hanging ring holder.

(Means for Solving the Problems) The present invention provides a method for removably attaching a ring holder fitted with a ring to a ring rail by horizontal rotation around the center axis of the ring. The gist of the present invention is an attachment/detachment device in which a plurality of attachment means arranged at rotationally symmetrical positions with respect to the center are installed across a ring rail and the ring holder.

(Function) When the ring is attached to or removed from the ring rail, the device of the present invention horizontally rotates the ring holder in which the ring is fitted around the center axis of the ring, and positions the ring holder in a rotationally symmetrical position about the center axis. On the other hand, the ring holder is configured to be attached to or detached from the ring rail by engaging and disengaging a plurality of engagement means installed across the ring holder and the ring rail.

(Example) Next, one embodiment of the present invention will be described with reference to the drawings.

In a ring spinning machine or a ring twisting machine, the ring R
A pair of engaging members 2.2 each protrude perpendicularly onto the ring rail 1, which is movable up and down to attach the ring rail 1, and each has a conical head 2a and a bottle-shaped shaft. Part 2
b and a threaded portion 2C, which are arranged at 180° rotationally symmetrical positions about the central axis a of the spindle and ring R, and are screwed onto the ring rail 1 via the threaded portions 2C, respectively.

A ring R is attached to a ring holder 3 installed for each spindle on the ring rail 1 in order to removably fit the ring R.
The fitting hole 3a for fitting the base of the ring holder 8 is formed into a circular shape, and the ring holder 8 is elastically attached to one side of both bulges 3b, which are formed protrudingly on both the front and rear sides of the ring holder 3. A cut-off part 4 is separated to expand or contract the hole diameter of the fitting hole 3a by deformation, and the ring R is connected to the fitting hole 3 at its base.
bulge part 3 for tightening and releasing when fitted in a.
A set screw 5 which is screwed in horizontally through the separation part 4 is attached to b, and an oil reservoir 6 in the form of a round hole is recessed roughly in the bulge part 3b on the other side. There is.

A pair of engaging portions 7.7 provided oppositely on both engaging members 2, respectively.
In order to removably attach the ring holder 3 to the ring rail 1 by releasably locking both engaging members 2 of the ring rail 1 by horizontal rotation of the ring holder 3 in forward and reverse directions. With respect to both the bulging parts 3a of the ring holder 3, the centers of both the engaging parts 7 and the centers of both the engaging members 2 are centered on the central axis a at a 180° rotationally symmetrical position about the center @a. The head portion 2a and the shaft portion 2 of the engaging member 2 are formed on both the engaging portions 7 so as to be arranged on the circumference of the engaging member 2.
The head portion 2a of the engaging member 2 is inserted through the circular insertion hole 8 for vertically inserting and removing the member b, and the shaft portion 2b is inserted through the insertion hole 8 to lock the engaging member 2. Therefore, the locking holes 9 are formed in a rotationally symmetrical manner by being continuously drilled with the locking holes 9 which are elongated through the holes along an arc centered on the central axis a and have a width smaller than the hole diameter of the insertion hole 8. Near the upper periphery of the locking hole 9, there is an inclined surface that slopes inward and downward in order to guide and receive the head 2a of the engaging member 2 so that the shaft portion 2b is introduced into the locking hole 9. A guide surface 9b having a substantially U-shaped plane is formed above the hole 9a. Then, the insertion holes 8 of both engaging parts 7
When the ring holder 3 is rotated clockwise in the drawing with the engaging members 2 inserted therein, the ring holder 3 is guided by both the engaging members 2 and rotates horizontally about the central axis a, so that both the engaging members The mating member 2 is introduced into the locking hole 9 of both the locking parts 7 and locked at the same time, and the ring R and the ring holder 3
can be attached to the ring rail 1. On the other hand, when the ring holder 3 is rotated counterclockwise in this state, both the retaining members 2 are moved from the locking holes 9 to the insertion holes 8, and both the engaging members 2 are moved through the pushing holes 8. 111j from the ring holder 3, the ring holder 3 is detached directly above, and can be removed from the ring rail 1.

Head 2 of engaging member 2 inserted into locking hole 9 of locking portion 7
A spherical locking member 10 is provided to control the locked state of the engaging member 2 by press-contacting the locking member 2. The spherical locking member 10 is provided to guide the engaging member 7 to the ring holder 3 on the outside of both the engaging members 7, respectively. The horizontal hole 11.9b is movable in the axial direction of the hole and partially guides the inner end of the horizontal hole 11.
The springs 13 interposed between the locking members 10 and the setscrews 12 screwed into the vicinity of the outer ends of the horizontal holes 11 cause the springs 13 to protrude inwardly. When the engaging member 2 is biased and moves from the insertion hole 8 of the locking part 7 to the locking hole 9, it presses the locking member 10 with its head 2a and once retreats a little, and then moves into the locking hole 9. When both engaging members 2 are inserted into the end portions of both locking holes 9, the double-ended hook members 1° that have moved forward from the retreated position elastically press the heads 2a of the engaging members 2. When the ring holder 3 is pressed down, the attachment state of the ring holder 3 to the ring rail 1 is locked.

A pair of cover plates 14, which are respectively attached side by side on both the engagement parts 7 to cover both the engagement parts 7, respectively, are attached to the ring holder 3 with screws so that their upper surfaces are aligned with the upper surface of the ring holder 3. The locking member 10 is fixed to the bulging portion 3a of the locking member 10, and the cover plate 14 prevents the locking member 10 from popping out of the horizontal hole 11 when the engaging member 2 is disengaged from the locking hole 9 of the locking portion 7. .

In addition, when the ring holder 3 is horizontally rotated, there are 1
A jig (not shown) in which a pair of hook parts 3 and a handle for gripping are connected is applied.

Next, the operation and effects of the embodiment having the above configuration will be explained.

Now, in this example, 1 is placed at a rotationally symmetrical position of 180° around the central axis a of the ring R with respect to the ring rail 1.
ji'l the pair of retaining members 2 and both engaging members 2, respectively!
In order to removably lock the ring holder 3 and removably attach it to the ring rail 1, the ring holder 3 is arranged at a rotationally symmetrical position of 180° around the central axis a with respect to the ring holder 3,
In addition, an insertion hole 8 for vertically inserting and extracting the engaging member 2 and a locking hole 9 for locking the engaging member 2 are continuously bored along an arc centered on the central axis a. A pair of engaging portions 7 are provided oppositely.

Therefore, when attaching and detaching the ring holder 3 to the ring rail 1, the ring holder 3 is horizontally rotated about the central axis a to engage and disengage both engaging members 2 from both engaging portions 7, and the ring holder 3 is It is possible to accurately and easily attach the ring R to the ring rail 1 with a single touch, and to easily remove it from the ring rail 1 with a single touch, which simplifies the work of attaching and detaching the ring R to the ring rail 1. It is possible to eliminate the work of adjusting the centering of the ring R by accurately positioning and mounting the ring R so that its center axis a always coincides with the spindle axis. This has the effect of greatly reducing the labor and time required for the work and simplifying and labor-saving the ring replacement work.

(Effects of the Invention) That is, the present invention provides a ring boulder fitted with a ring that is removably mounted on the ring rail by a horizontal rotational movement about the center axis of the ring. By installing a plurality of Hoya means arranged in rotationally symmetrical positions across the ring rail and the ring holder, it is possible to simplify the IllW work of the ring of the ring rail and eliminate the need for ring centering adjustment work. This has the effect of reducing the labor and time required for attaching and detaching the ring.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a plan view of the ring holder, FIG. 2 is a cross-sectional view taken along the x1-xi line in FIG. 1, and FIG. 3 is an enlarged cross-sectional view taken along the same < Figures and Figure 4 are the same <X3-X3$! This is an enlarged view of A. 1...Ring rail 2...Engagement member 3...Ring holder 7...Engagement part R...Ring

Claims (2)

[Claims] (1) The ring holder fitted with the ring is arranged at a rotationally symmetrical position around the central axis in order to be removably attached to the ring rail by horizontal rotational movement around the central axis of the ring. 1. An attachment/detachment device for a ring holder, characterized in that a plurality of attachment means are installed across a ring rail and the ring holder. (2) a plurality of engaging members disposed at rotationally symmetrical positions about the central axis with respect to the ring rail; The attachment/detachment device for a ring holder according to claim 1, characterized in that the attachment/detachment device for a ring holder according to claim 1 is provided with a locking means in which a plurality of locking portions formed at rotationally symmetrical positions around a central axis are provided opposite to each other. .