JP2550133Y2 - Tension roll damper mechanism - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damper mechanism for a tension roll, and more particularly, is connected to a tension roll provided on a delivery side of a loom and tensioning a warp at the time of beating, thereby strengthening the tension action. To improve a damper mechanism for performing the above.

[0002]

2. Description of the Related Art A tension roll is pivotally supported at one end of a tension roll lever which swings about a fulcrum on a frame on a feed side of a loom. Nervous. The movement for tensioning the warp of the tension roll may be positively performed or passively performed. In the case of the positive type, the tension roll lever is swung by a cam or the like, and in the case of the negative type, a spring force is applied to the tension roll lever. In either method, the other end of the tension roll lever is operatively connected to a damper via a pin, and the action of this damper slows down the movement of the tension roll associated with the beating, making the weft driving stronger. doing.
This pin is fixed to the other end of the tension roll lever, and is received in a slot formed in a damper block connected to the tip of the damper rod so as to be movable in a direction perpendicular to the axial direction.

[0003]

In the above configuration around the pins, the long holes of the damper block for receiving the pins are filled with grease for the purpose of lubrication. However, the grease leaks out of the long holes while the pin is repeatedly moved (vibrated) together with the tension roll, and the lubrication effect is lost. As a result, the pin is worn, and the leaked grease may contaminate the warp. There was a problem.
The purpose of the present invention is to prevent the abrasion of the connecting pin and to prevent the warp from being stained by grease leakage.

[0004]

In order to achieve the above object, according to the present invention, a pin is integrally provided on a tension roll lever, and a damper block having a long groove for receiving the pin is provided at the tip of a damper rod. And an adjusting block provided with a long groove that defines a long hole-shaped grease reservoir around the pin in cooperation with the long groove of the damper block, is fixed to the above-mentioned damper block, and the grease in a direction opposite to the moving direction of the pin is fixed. A grease escape portion allowing flow is formed in communication with the grease reservoir, and the two pins are provided with two guide plates each having a long hole movably inserted in a long groove in which the pin defines the grease reservoir. Fixed at both ends of the damper block in the axial direction of the pin, inserted and received the pin, and guided at any moving position of the pin in the grease reservoir. Rate that it has slidably disposed within the formed groove between the outer diameter wherein the grease reservoir and the guide plate sliding washer that can close the long hole, it is an gist.

[0005]

[Function] Even if the pin moves, the slide washer inserted at both ends thereof is pressed against the guide plate while closing the long hole with the guide play by the pressure of the grease generated thereby, and the grease pool around the pin is removed. Keep sealed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a pin 3 fixed to an end of a tension roll lever 2 remote from a tension roll shaft support side extends parallel to and integrally with the tension roll. An annular groove 71 is formed at a substantially central portion of the bush 7 inserted into the pin 3, and grease flows through the annular groove 71 as the pin 3 moves as described later. The bush 7 is not always necessary, and when omitted, an annular groove is formed directly on the pin 3. A projecting portion 11 is formed on the damper block 1 connected to the tip of a damper rod (not shown) as shown in FIG. The projecting portion 11 is formed with a long groove having an arc-shaped bottom. An adjusting block 6 is fitted and fixed to the damper block 1, and a large-diameter long groove 61 is formed at both ends of the adjusting block 6, and a small-diameter long groove 62 is formed between the large-diameter long grooves 61. As shown in FIGS. 3 and 4, these long grooves 61, 62 are substantially semicircular and open downward in the drawings. As shown in FIG. 4, the small-diameter long groove 62 cooperates with the long groove of the projecting portion 11 of the damper block to define a grease reservoir R having a long hole shape. The pin 3 is movably received in the long hole-shaped grease reservoir R. Guide plates 4 are fixed to both ends of the axial damper block of the pins by screws 9, and these guide plates 4 are formed with long holes 41 for movably receiving the pins 3. FIG. 2 shows an assembling relationship between the pin 3 and the guide plate 4.

In the example shown in FIG. 4, the pin 3 moves downward, and the grease reservoir R is defined above the bush 7.
When the pin 3 moves upward, the grease flows downward through the annular groove 71 shown in FIG. 1 and a grease pool R is defined below the bush 7. A grease injection hole 63 with a nipple 8 is formed in the adjustment block 6 so as to communicate with the small-diameter long groove 62.

A slide washer 5 is fitted into each end of the pin 3, and each slide washer 5 is inserted into a large-diameter long groove 6 of an adjustment block 6 as shown in FIG.
1 is movably received together with the pin 3. The thickness of the slide washer 5 is substantially the same as the distance from the inner side surface of the guide play and 4 to the bottom surface of the large-diameter long groove of the adjusting block 6.
Is set so as to prevent grease from leaking from the grease reservoir R to the outside at any moving position.
That is, the slide washer 5 is in sliding contact with the inside of the guide plate 4 at any moving position,
1 has an outer diameter dimension that can be closed from the inside.

When the pin 3 moves, the grease moves accordingly, and the slide washer 5 moves while being pressed against the guide plate 4 by the pressure generated at this time. Therefore, the sealing performance of the grease reservoir R is maintained,
Grease leakage is effectively prevented. The configuration in which the guide plate 4 is fixed to both ends of the damper block 1 includes fixing the guide plate 4 to the adjuster block 6 in addition to directly fixing the guide plate 4 to the damper block 1.

[0010]

[Effects of the Invention] Since the slide washer can close the long hole of the guide plate at any position of the pin in the grease reservoir, the grease does not leak even if the pin is repeatedly moved, and the pin is worn or the warp is not warped. Can be eliminated.

[0011]

[Brief description of the drawings]

FIG. 1 is a partial sectional side view showing an example of a damper mechanism of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Damper block 2 Tension roll lever 3 Pin 4 Guide plate 5 Slide washer 6 Adjust block R Grease pool

Claims (1)

(57) [Scope of request for utility model registration] 1. A pin (3) which is connected to the other end of a tension roll lever (12) having a tension roll pivotally supported at one end, the pin being provided integrally with the tension roll lever. A damper block (1) having an elongated groove connected to the tip of the damper rod and receiving the pin; and a slot-shaped hole formed around the pin fixed to the damper block and cooperating with the elongated groove of the damper block. An adjusting block (6) having a long groove defining a grease reservoir (R); a grease escape portion formed in communication with the grease reservoir and allowing a flow of grease in a direction opposite to a moving direction of the pin; Two guides fixed to both ends of the damper block in the axial direction of the pin and having a long hole movably inserted in a long groove in which the pin defines a grease reservoir. (4) and a guide plate which is slidably disposed in a groove formed between the grease reservoir and the guide plate to receive and receive the pin and to move the pin in any movement position of the pin in the grease reservoir. A damper mechanism for a tension roll, comprising: a slide washer (5) having an outer diameter capable of closing a long hole.