JP2576016B2 - Prevention of dripping of roving yarn during transport - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing roving of a roving yarn during transport, which is suitable for a creel transport apparatus of a simultaneous creel exchange system of a spinning machine in a spinning factory.

[0002]

2. Description of the Related Art Conventionally, roving is carried out by roving a bobbin which has been wound up from a roving machine in a previous process for cotton spinning and a bobbiner or the like for long fiber, and is temporarily piled up on a transport trolley to a spinning machine. The bobbin was transported and replaced again with an empty bobbin on the creel. However, with the recent rationalization of roving transport, overhead traveling roving transporting devices are becoming widespread. In these transport methods, a bobbin hanger is provided in a traveling roller inserted in a ceiling traveling rail and a magazine suspended therefrom, and a roving is mounted on the hanger and transported. There are many advantages, such as a labor-saving type that can easily transport roving, and it can be replaced in a short time.In recent years, the introduction plan of this device has become active. Since the yarn is transported in a suspended state, the roving hangs down during the transporting movement, and the rovings are unraveled during the transportation. Was rare.
For this reason, the tail yarn of the roving has been pinched below the wound roving, fixed with tape, or hooked on the roving bobbin.

[0003]

The problem to be solved is that, in the above-mentioned conventional means, when the yarn is spliced in the spinning machine, it takes a considerable amount of time to pull out the tail yarn or remove the tape. This operation has to be performed manually for several hundred roving bobbins one by one, which is a point at which the efficiency is reduced.

[0004]

According to one aspect of the present invention, a roving bobbin is suspended and supported via a plurality of bobbin hangers on a magazine which is movably mounted on a ceiling traveling rail via a traveling roller. In the apparatus, a support shaft is rotatably supported horizontally and parallel to a part of the lower surface of the magazine along a direction in which the bobbin hangers are arranged via a support bracket, and the support rod is suspended and supported by the bobbin hangers. A bar-shaped pressing portion that presses the outer peripheral surface of the roving yarn of the yarn bobbin, an arm portion that supports the upper end of the bar-shaped pressing portion rotatably in the roving yarn pressing direction, and the bar-shaped pressing portion with respect to the arm portion. A plurality of holding bars, each comprising a buffer spring that elastically presses in the roving pressing direction, are fixed to the spindle bar in correspondence with the roving bobbins of each bobbin hanger, and the support bar is partially attached to the magazine. One air cylinder for rotating the rod through an arm piece, and supplying air to the air cylinder via an air tube to rotate the support rod through the arm piece, An air tank filled with compressed air for simultaneously rotating the holding bar, and a manual valve installed in the middle of the air tube for controlling supply and stop of compressed air from the air tank to the air cylinder. It was provided. In the present invention, the spindle rod can be rotated by a manual operation method instead of the pneumatic method.

[0005]

According to one aspect of the present invention, an air tank is mounted on a magazine traveling and moving along a ceiling traveling rail,
There is no need to run by dragging the air pipe.Manual operation of the manual valve causes only one air cylinder to rotate all the holding bars at the same time, and the outer peripheral surface of the roving bobbin is repelled by the elastic force of the buffer spring. Elastically pressed,
Pressing can be released. In particular, the holding bar
It moves integrally with the magazine, and therefore, during the transport, the roving yarn hangs down from the roving bobbin that is suspended and supported by the magazine that travels along the ceiling traveling rail and is transported, and is continuously unwound during the transportation. Since the pressing can be continued, drooling can be reliably prevented. Another aspect of the present invention is an operation lever for rotating a spindle rod instead of the air cylinder, and a stopper cam for locking and holding the operation lever at a roving holding position and an open position. And since the stopper is installed in each magazine, of course, it is not necessary to run by dragging the air pipe, the air tank is not required, and by operating the operation lever manually to rotate the spindle rod, By rotating the pressing bars simultaneously for each row, the outer peripheral surface of the roving bobbin can be elastically pressed by the elastic force of the buffer spring, or the pressing can be released. In particular, the presser bar moves integrally with the magazine, and therefore, conveys that the roving hangs down from the roving bobbin which is suspended and supported by the magazine traveling and traveling along the ceiling traveling rail and can be unwound. Since it is possible to directly hold down the inside during the pressing, it is possible to reliably prevent drooling.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the apparatus for preventing roving of roving yarn during transport according to the present invention will be described below with reference to FIGS. 1 (a) and 1 (b) are a plan view and a side view of a magazine row simultaneous operation type anti-dripping device according to the present invention, FIG. 2 is an enlarged front view of a main part of FIG. 1, and FIG. FIG. 4A and FIG.
5 is a plan view and a side view of a magazine unit operation type shin droop prevention device according to the present invention, FIG. 5 is an enlarged front view of a main part of FIG. 4, and FIG. 6 is an enlarged view of a main part of FIG. First, in FIGS. 1A and 1B, (1) is a magazine, (2) is a shaft rod, (3) is an air cylinder, (4) is a holding bar, and (5) is an air tank.

The magazine (1) is a rectangular frame body movably mounted on a ceiling traveling rail via a plurality of traveling rollers, and adjacent magazines are connected to each other by a coupler (6). Further, as shown in FIG. 3, the bobbin hangers (7) are installed in the magazine (1) in two rows in parallel, and the roving bobbin (8) wound with the roving (w) is mounted on the bobbin hanger (7). And transported by magazine travel. The support rod (2) is horizontally supported by a support bracket (9) hanging down and fixed to the magazine (1), and is connected to an adjacent support rod (2) by a connection rod (10). The air cylinder (3) is a single-acting cylinder in which the piston rod (3a) protrudes by the biasing force of the built-in spring when it is not driven. As shown in FIGS. 2 and 3, the pneumatic cylinder (3) is attached to the magazine (1). The lower end of the piston rod is pivotally held on an arm piece (11) which is suspended and fixed with the protruding direction downward) and fixed and held on a support rod (2). Then, when forcedly driven by air pressure, the piston rod (3a) retreats and rotates the support rod (2) appropriately. The holding bar (4)
A bar-shaped holding part (4a) for pressing the outer periphery of the roving (w) resiliently and its arm part (4b) are integrally formed in a hook shape, and a base end of the arm part (4b) is supported by a spindle. The roving thread (w) is fixedly held on the rod (2), and is simultaneously rotated by the rotation of the spindle rod (2).
Press or release the outer periphery. At this time, FIGS. 2 and 3
As shown in (1), the holding part (4a) is connected to the arm part (4b) so as to be able to freely move upward while maintaining the hook-shaped bent shape, and the connection part with the arm part (4b) is made of a buffer spring. In (12), it is urged in the compression direction. When the outer peripheral portion of the roving (w) is excessively pressed, the pressing portion (4a) freely escapes upward, and the outer peripheral portion of the roving (w) is elastically pressed by the urging force of the spring (12). Protects the holding bar (4) from applying excessive force. Air tank (5)
Is attached to the magazine (1), supplies air to each pneumatic cylinder (3) through the air tube (14) by the manual valve (13), and all the shaft rods (2) at once through the connecting rod (10). ).

Next, the operation of the present invention based on the above configuration will be described. In the case of cotton spinning, the roving (w) wound up from a roving machine in the previous step, and in the case of long fibers, a bobbiner or the like is suspended and mounted on each bobbin hanger (7) of the magazine (1). At this time,
The air cylinder (3) is kept in a non-driving state, and the holding bar (4) is raised to open. When the roving (w) has been mounted on each bobbin hanger (7), air is supplied from the air tank (5) to the air cylinder (3) by operating the manual valve (13), and the piston rod (3a) is turned on. ) Withdraw. Then, first, the support rod (2) rotates and the one-side full holding bar (4) rotates, and at the same time, the connecting rod (11)
The support rods (2) adjacent in parallel rotate through this, and the full presser bar (4) on that side rotates. Then, all the holding bars (4) rotate at once and move down, and the roving (w)
Press the outer periphery all at once. Therefore, by simply operating one manual valve (13), the entire holding bar (4) rotates at once and simultaneously presses the outer periphery of the roving (w) to prevent dripping.

Next, another embodiment of the present invention (a magazine-unit operation type shin droop prevention device) will be described below with reference to FIGS. First, in FIGS. 4A and 4B, (1) is a magazine, (15) is a spindle rod, (16) is a holding bar, and (17)
Is an operation lever. The magazine (1) is a rectangular frame body movably mounted on a ceiling traveling rail via a plurality of traveling rollers, and bobbin hangers (7) are installed in the magazine (1) in two rows in parallel with the above-described embodiment. Then, the roving bobbin (8) wound with the roving (w) is mounted on a bobbin hanger (7) and transported by magazine running. The support rod (15) is horizontally supported by a support bracket (18) suspended and fixed to the magazine (1), and is connected to an adjacent support rod (15) by a connection rod (20). At this time, as shown in FIGS. 5 and 6, the support bracket (18) has concave portions (Pa) and (Pb) on its lower end surface, and also serves as a stopper cam mechanism of the operation lever (17) described later. . The pressing bar (16) is formed integrally with a bar-shaped pressing portion (16a) for resiliently pressing the outer peripheral portion of each roving (w) and its arm portion (16b) in a hook shape. (16b) is fixedly held on the support rod (15), and the outer periphery of the roving (w) is simultaneously pressed or released in magazine units by the rotation of the support rod (15). Here, as shown in FIG. 5, similarly to the above embodiment, the holding portion (16a) is connected to the arm portion (16b) so as to be able to freely move upward while maintaining the hook-shaped bent shape, and The connecting portion with (16b) is urged in the compression direction by a buffer spring (21) to protect the pressing bar (16) from being subjected to excessive force. As shown in FIGS. 5 and 6, the operation lever (17) is fixed to and held by the support rod (15), and a stopper (19) is provided at an intermediate portion. 16) Rotate in the direction to press or release. The stopper (19) is, as shown in FIG.
The ball (19) is inserted into the groove (19b) engraved on the upper surface of the main body (19a).
c) The ball plunger is structured so that the ball (19c) always projects outside by the spring (19d) installed in the body. The ball is rotated by the operation lever (17). When (19c) fits into the recess (Pa) or (Pb) on the lower end surface of the support bracket, the operation lever (17) is locked at each of the two positions, that is, the holding position and the opening position.

The operation of another embodiment of the present invention based on the above configuration will now be described. In the same manner as in the above embodiment, a roving yarn wound up from a roving machine in a previous step for cotton spinning and a bobbiner for long fiber is suspended and mounted on each bobbin hanger (7) of the magazine (1). At this time, the operation lever (17) is raised in the direction of the arrow (A) shown in FIG. 5, and the support rod (15) is moved upward in the direction of the arrow (B) in FIG. Rotate, and simultaneously rotate the adjacent spindle rods (15) via the connecting rod (20) to open all the holding bars (16) of one magazine (1). Then, the operation lever (17) is locked at that position, and when the roving (w) is attached to each bobbin hanger (7), the operation lever (17) is moved to the position shown in FIG.
When the pivot shaft (15) pivots downward along the direction of the arrow (A) shown in FIG. 5, the pivot rod (15) pivots downward again along the direction of the arrow (B) in FIG. Holding bar (16)
Rotates. Then, all the holding bars (16) rotate at a time in a magazine unit and move down, and simultaneously press the outer periphery of the roving (w). Therefore, by operating only one operation lever (17), all the holding bars (16) rotate at once in a magazine unit and simultaneously press the outer periphery of the roving (w) to prevent dripping.

[0011]

One of the objects of the present invention is that the air tank is mounted on a magazine which travels along a ceiling traveling rail, so that there is no need to travel by dragging an air pipe.
By manually operating the manual valve, only one air cylinder rotates all the holding bars at the same time to elastically press or release the outer peripheral surface of the roving bobbin by the elastic force of the buffer spring. be able to. In particular, the presser bar moves integrally with the magazine, and therefore, conveys that the roving hangs down from the roving bobbin which is suspended and supported by the magazine traveling and traveling along the ceiling traveling rail and can be unwound. Since it is possible to directly hold down the inside during the pressing, it is possible to reliably prevent drooling. Another aspect of the present invention is an operation lever for rotating a spindle rod instead of the air cylinder, and a stopper cam for locking and holding the operation lever at a roving holding position and an open position. And, since the stopper is installed in each magazine, it is not necessary to run by dragging the air piping, and the air tank is not required.
By manually operating the operation lever and rotating the support rod, the respective holding bars are simultaneously rotated for each row, and the outer peripheral surface of the roving bobbin is elastically pressed by the elastic force of the buffer spring. Or the pressing can be released. Especially,
The presser bar moves integrally with the magazine, and therefore, during transporting that the roving hangs down from the roving bobbin that is suspended and supported by the magazine that travels along the ceiling traveling rail and is transported, and can be unwound. Since it is possible to continuously hold down directly, it is possible to reliably prevent drooling.

[Brief description of the drawings]

FIG. 1A is a plan view showing an embodiment of an apparatus for preventing roving of a roving yarn during conveyance according to the present invention. (B) is FIG.
It is a side view of (a).

FIG. 2 is an enlarged front view of an essential part showing an embodiment of a device for preventing roving of a roving yarn during conveyance according to the present invention.

FIG. 3 is an enlarged front view of a main part of FIG. 2 showing an embodiment of the apparatus for preventing roving of roving yarn during conveyance according to the present invention.

FIG. 4A is a plan view showing another embodiment of the apparatus for preventing roving of roving yarn during conveyance according to the present invention. (B) is FIG.
It is a side view of (a).

FIG. 5 is an enlarged front view of an essential part showing another embodiment of the apparatus for preventing roving of roving yarn during conveyance according to the present invention.

6 is an enlarged side view of a main part of FIG. 5, showing another embodiment of the apparatus for preventing roving of a roving yarn during conveyance according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Magazine 2 Support rod 3 Air cylinder 4 Holding bar 5 Air tank 7 Bobbin hanger 8 Bobbin 9 Support bracket 11 Arm piece

Claims (2)

(57) [Claims] An apparatus for suspending and supporting a roving bobbin via a plurality of bobbin hangers on a magazine which is rotatably mounted on a ceiling traveling rail via a traveling roller, and conveys the roving bobbin. The support rod is rotatably supported horizontally and parallel via a support bracket along the arrangement direction of each bobbin hanger, and presses the outer peripheral surface of the roving yarn of the roving bobbin suspended and supported by each bobbin hanger. A bar-shaped holding portion, an arm portion that supports the upper end of the bar-shaped holding portion so as to be rotatable in the roving yarn pressing direction, and the bar-shaped pressing portion is elastically pressed against the arm portion in the roving yarn pressing direction. A plurality of holding bars composed of a buffer spring are fixed to the support rod so as to correspond to the roving bobbins of each bobbin hanger, and the support rod is rotated to a part of the magazine via an arm piece. And one air cylinder for supplying air to the air cylinder via an air tube to rotate the support rod through the arm piece and simultaneously rotate the holding bars. Transport comprising: an air tank filled with compressed air, and a manual valve installed in the middle of the air tube for controlling supply / stop of compressed air from the air tank to the air cylinder. Prevention device for dripping of roving inside. 2. A device for suspending and supporting a roving bobbin via a plurality of bobbin hangers on a magazine mounted movably on a ceiling traveling rail via a traveling roller, and transporting the roving bobbin on a part of a lower surface of the magazine. The support rod is rotatably supported horizontally and parallel via a support bracket along the arrangement direction of each bobbin hanger, and presses the outer peripheral surface of the roving yarn of the roving bobbin suspended and supported by each bobbin hanger. A bar-shaped holding portion, an arm portion that supports the upper end of the bar-shaped holding portion so as to be rotatable in the roving yarn pressing direction, and the bar-shaped pressing portion is elastically pressed against the arm portion in the roving yarn pressing direction. A plurality of holding bars composed of a buffer spring are fixed to the support rods so as to correspond to the roving bobbins of each bobbin hanger, and the support rods are rotated at the ends of the support rods to hold the respective support bars. The bar An operation lever for simultaneously rotating the operation lever is fixed, and a part of the support bracket of the support rod and the operation lever corresponding to this operation lever are locked and held at the roving holding position and the release position by the operation lever. A device for preventing roving of a roving yarn during conveyance, comprising a stopper cam and a stopper.