JPH0424252A - Automatic reed-inserting device and automatic reed-inserting method - Google Patents

Abstract

PURPOSE:To quickly and surely perform automatic yarn inserting into all reed marks without any mark passing by connecting a main chassis having a yarn-inserting tool and a sub-chassis having a mail-sending claw with a mail-sending spring and constructing the both able to be transferred by one length of a reed mark. CONSTITUTION:A yarn-inserting claw 16 and mail-sending claw 18 are inserted in a reed mark between slays, and a main chassis 3 is fixed, then yarn is hooked on said yarn-inserting claw 16. Next, a shaft 14 is rotated to anticlockwise direction and an arm 17 is upwardly displaced by driving an air cylinder 13, then the yarn is inserted into a reed mark. On the other hand, an air cylinder 12 is driven to push an adjusting device 10 of mail-sending width with a shaft 11 and a sub-chassis 5 is transferred by one length of a reed mark, then a mail-sending claw 8 is inserted into a reed mark and fixed. Furthermore, said arm 17 is risen to a fixed position and yarn is removed from the claw 16 with a yarn-removing bar 21, then the main chassis 3 is transferred by one length of a reed mark with inertial force of the mail-sending spring 23, thus the claw 16 is inserted in the same reed mark as the claw 18 and fixed. The above-mentioned process is repeated in turn to perform yarn inserting into all reed marks.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus and method for automatically threading a reed of a loom.

[Problems with the prior art] Work in the conventional ASS manufacturing process is mainly done manually, and in particular, threading the thread through the reeds, so-called reed threading, involves manually inserting a thread threading tool into each reed. The thread had to be pulled through. This is a troublesome work that requires many countries, and it also requires a person to thread the thread through the threading device, so it must be done in pairs, which requires a lot of time and manpower, and is a major factor in reducing production efficiency. It was one of the

In recent years, attempts have been made to improve productivity by mechanizing the work of This method involves threading the thread without moving the stitches, but it is easy to damage each layer, cannot be applied to fine reeds, and has the problem of having to change gears every time the reed is changed. It has a disadvantage of not being good. In addition, attempts have been made to blow the yarn using air and pass it through the reed, but this can be applied to yarns with a thin R diameter such as multifilament and stable yarns, but in the case of monofilament, the yarn is stiff, especially with large diameter yarns. Combined with this, there is a practical problem in being able to fly the thread smoothly. Furthermore, when installing a reed threading machine, the reed had to be removed and a special complicated installation device had to be installed in addition to the loom, which required a lot of time for preparation work.

[Problems to be Solved by the Invention] The present invention solves the above problems by detachably attaching a simple device to the frame of the reed of a loom, and automatically threads the required wire diameter for any reed. The present invention provides a device and method for reeding. This makes it possible to pass the reed accurately and efficiently without damaging the layers or skipping the reed without passing the thread.

[Means for Solving the Problems] The present invention has the following features: 1. A main chassis moving rail 2 is installed on the upper part of the upper frame 1 of the reed, a main chassis 3 is slidably arranged on this moving rail, and the main chassis 3 is slidably arranged on the moving rail. A sub-chassis moving rail 4 is provided on the chassis, a sub-chassis 5 is slidably arranged on this moving rail, an air cylinder 6 is arranged on the sub-chassis 5, and a shaft 7 is rotatable on this air cylinder 6. A frame-feeding arm 9 is connected to the shaft 7 and has a frame-feeding claw 8 at its tip that moves in and out of the reed.A frame-feeding arm 9 is rotatably connected in an arc shape, and the sub-chassis 5 has a frame-feeding width adjustment device 10. , an air cylinder 12 for frame feeding in which a shaft 11 that comes into contact with the frame feed width adjustment device 10 is arranged is installed in the main chassis 3, and an air cylinder 13 is installed in the main chassis 3 at a position behind the air cylinder 12. Two shafts 14 and 15 are rotatably connected to the air cylinder 13, and a threading arm 17 having a threading claw 16 at the tip is coupled to the shaft 14 so as to be rotatable in an arc shape. A frame feeding arm 19 having a frame feeding claw 18 at its tip that moves in and out of the reed is coupled to the frame 15 so as to be rotatable in an arc shape, and the main chassis 3 further has a thread removing section 20 bent at its tip. A thread wiping air cylinder 22 that connects the wiping rod 21 is disposed at a position crossing the thread wiping section 20 or under the thread threading arm 17, and the main chassis 3 and sub chassis 5 are connected with the frame feeding arm 19 side facing the frame. Frame feed spring 23 biasing toward the feed arm 9 side
An automatic connection device that is connected by

2. Sub-chassis moving rail 4 and sub-chassis 5
2. The automatic threading device according to claim 1, further comprising an adjustment device 24 for adjusting the distance between the frame feeding arm 9 and the frame feeding arm 1 according to the mesh of the reed at the time of starting.

3. The frame feed width adjusting device 10 is a reed mesh formed of an adjustment screw consisting of a contact portion with the shaft 11, a male screw portion connected to the corresponding contact portion, and a female screw portion that supports this. 3. The automatic threading device according to claim 1 or 2, wherein the frame feed width is adjusted by a screw portion according to the width.

4. A protrusion 25 is provided on the shaft 14 at a position counterclockwise when viewed from the front of the joining position of the threading arm 17, a hammer 26 is installed on the protrusion, and the frame feeding arm 19 is installed.
A protrusion 27 is disposed at a position in the counterclockwise direction from the front of the coupling position of the hammer receptacle 28 and the protrusion 27.
Any one of claims 1 to 3, wherein a spring 29 is installed to bias the shaft 15 in a clockwise rotational direction when viewed from the front by pushing upward, so that the shaft 15 rotates in conjunction with the rotation of the shaft 14. Automatic opening device as described in Section.

5. The frame feed mechanism according to any one of claims 1 to 4, wherein the frame feed pawl 18 and the frame feed arm serve as a fulcrum for positioning at the start and for frame feed of the sub-chassis 5. Automatic reed threading device.

6. The automatic threading device according to any one of claims 1 to 5, wherein the frame feeding claw 8 and the frame feeding arm 9 serve as fulcrums when the main chassis 3 is fed frame by frame. .

7. Any one of claims 1 to 6, wherein the thickness of the frame-advancing pawl 18 is greater than the thickness of the threading pawl 16, and the frame-advancing pawl 18 and the threading pawl 16 are inserted into the same reed. The automatic reed threading device described in paragraph.

8. The automatic reed according to any one of claims 1 to 7, characterized in that the thread pulled out of the threading arm 17 provided with the threading rod 21 or the threading claw 16 is removed from the claw and held downward. Threading device.

9. An automatic reed passing method, characterized in that the following steps (A) to (C) are sequentially and repeatedly carried out using the automatic reed passing apparatus according to any one of claims 1 to 8.

(A) Insert the threading claw 16 and the frame feed claw 18 into the reed,
The thread is caught by the threading claw 16, and the main chassis 3 is fixed by the frame feed claw 18.

(B) Next, operate the air cylinder 13 to
4 in the counterclockwise direction when viewed from the front, the threading arm 17 is rotated upward, the thread is pulled out, and the thread is passed through the reed. At the same time, the air cylinder 12 for frame feed is activated, and the frame feed width adjustment device filO is operated using the shaft 11. is pressed to move the sub-chassis 5, and then the air cylinder 6 is operated to insert the frame feeding claw 8 into the next reed stitch, and the sub-chassis 5 is moved by one reed stitch and fixed.

(C) Next, the threading arm 17 rises to a predetermined upper position and pulls out the thread sufficiently. At this time, the thread wiping air cylinder 22 operates to move the thread wiping bar 21 and remove the thread from the threading claw 16. One-sided frame advance claw 18 that sweeps downward
Take it out from the reed and release the fixation of main chassis 3.
The frame-advancing air cylinder 12 is stopped, the main chassis 3 is moved by the energized frame-advancing spring 23, and then the air cylinder 13 is activated to move the frame-advancing claw 18.
is inserted into the next reed stitch, the main chassis 3 is moved by one reed stitch and fixed, and then the threading claw 16 is inserted. ” related.

[Function] In order to explain the function of the present invention in an easy-to-understand manner, the operation of the device of the present invention will be explained.

The frame feed claw 18 is inserted into the reed, and the main chassis 3
to be fixed. Further, the frame feed pawl 8 is inserted into the reed and fixes the sub-chassis 5. The main chassis 3 and the sub-chassis 5 are connected by a frame-advancing spring 23 that draws the main chassis toward the sub-chassis, so when these frame-advancing claws 18 are pulled out of the reeds, the unfixed main The chassis moves to the fixed subchassis side. Therefore, when the removed frame feed pawl 18 is inserted into the next reed and fixes the main chassis, the movement of the main chassis is one division of the reed.

One sub-chassis is pushed by the air cylinder 12 mounted on the main chassis, so when the frame feed pawl 8 is pulled out of the reed, the unfixed sub-chassis moves in the pushed direction. Therefore, when the removed frame feed pawl 8 is inserted into the next reed and fixes the sub-chassis, the movement of the sub-chassis is one reed.

In this way, if you move the main chassis and sub-chassis by one reed mark, and if you place the threading tool on the main chassis, the threading tool will move one reed mark at a time, and all It is possible to thread thread through the reeds.

This is the basic operation of threading the reed of the present invention, and to realize this basic operation, the reed threading device of the present invention having a special configuration is required.

The particular configuration of the present invention and its operation will be explained in detail in the following embodiment section with reference to the drawings.

[Example] FIG. 1 is a perspective view of an automatic reed passing device of the present invention. The arrow indicates the direction of movement of the device, with the tip of the arrow pointing forward.

Reference numeral 1 denotes a frame above the reed, on which a main chassis moving rail 2 is installed. In this embodiment, a stand 30 having a U-shaped cross section is removably placed over the stand 30, and the main chassis moving rail 2 is provided on the stand 30. It can be installed in any other suitable manner.

A main chassis 3 is slidably arranged on this moving rail 2. In this embodiment, an angle having a U-shaped cross section is removably placed over the angle, and a main chassis 3 is provided thereon. It can be installed by any other suitable method. 31 is stratification.

This main chassis 3 has a sub chassis moving rail 4
is provided, and the sub-chassis 5 is slidably disposed on this moving rail.

In other words, the main chassis slides on the frame above the reed, and the sub-chassis slides on top of the main chassis.

An air cylinder 6 is arranged in the sub-chassis 5. This air cylinder 6 rotates a frame-feeding arm 9 in an arc shape, which has a frame-feeding claw 8 at its tip that moves in and out of the reed, and rotates a shaft 7 to which the frame-feeding arm 9 is connected. drive A frame feed width adjustment device 10 is installed in the sub-chassis 5, or a shaft 11 of a frame feed air cylinder 12 is installed in this embodiment, as will be explained later.
It is made up of an adjustment screw consisting of a contact part with the reed, a male screw part connected to the corresponding contact part, and a female screw part that supports this. It can be adjusted depending on the section.

A frame-feeding air cylinder 12 having a shaft 11 in contact with the frame-feeding width adjusting device 10 described above is installed in the main chassis 3, and the frame-feeding width adjusting device 10 is pushed by the shaft 11 to move the sub-chassis 5.

In addition, the air cylinder 1 for frame feeding is installed in the main chassis 3.
An air cylinder 13 for rotating the threading arm 17 and the frame feeding arm 19 in an arc shape is connected to a position rearward of the threading arm 17 and the frame feeding arm 19.

A threading arm 17 having a threading pawl 16 at its tip is connected to the shaft 14, and a frame feeding arm 1 having a frame feeding pawl 18 at its tip that moves in and out of the reed is connected to the shaft 15.
9 are connected, and each arm rotates in an arc by rotation of these shafts. In this embodiment, it is rotated by about 90 degrees, but it can be rotated with an appropriate degree of loafness.

Furthermore, the thread removing section 2 bent at the tip of the main chassis 3
A thread wiping air cylinder 22 connecting a thread wiping rod 21 with a thread wiping rod 21 having a thread wiping pin 21 is disposed at a position where the thread wiping section 20 crosses under the threading arm 17, and the thread wiping rod 21 is moved up and down to close the threading claw 16. The thread that has been pulled out is pressed down from top to bottom and removed, and the thread is removed.

The frame-feeding spring 23 connects the main chassis 3 and the sub-chassis 5 and biases the frame-feeding arm 19 side toward the frame-feeding arm 9 side. When the frame feeding claw 18 is pulled out of the reed by the urging spring 23 and the frame feeding air cylinder 12 is turned off, the main chassis moves toward the sub chassis.

FIG. 2 shows an interlocking mechanism between the threading arm 17 and the frame feeding arm 19.

A protrusion 25 is disposed on the shaft 14 at a position approximately 90° counterclockwise when viewed from the front from the connecting position of the threading arm 17, and a hammer 26 is installed on the protrusion. shaft 1
5, a protrusion 27 is provided at a position counterclockwise when viewed from the front of the coupling position of the frame feeding arm 19, and a hammer receiver 28 is attached to the protrusion, and by pushing the protrusion upward, the shaft 15 is rotated clockwise. A spring 29 is installed to bias the direction. In FIG. 2, the threading arm 17 rotates upward, the hammer 26 comes into contact with the hammer receiver 28, and the spring 2
9, the projection 27 is pushed down and the shaft 15 is rotated counterclockwise when viewed from the front, and the frame feeding arm 19 is moved upward. When the shaft 14 rotates clockwise when viewed from the front, the hammer 26 moves into the hammer receiver 2.
8, the shaft 15 is biased by the spring 29 and rotates clockwise when viewed from the front. In this way, the threading arm 17 and the frame feeding arm 19 are interlocked.

In the present invention, these arms operate in a fixed temporal relationship, but an interlocking mechanism is not necessarily required, and they may be driven at different timings by separate drive devices.

FIG. 10 shows the frame feed pawl 18 being inserted into the reed mesh and opening the holes of each layer to make it easier for the threading pawl 16 to be inserted into the reed mesh. By setting the frame feed claw 18 to a thickness smaller than that of the threading claw 16 in this way, the threading claw 16 can be easily inserted, the thread can be pulled through without strain, and the layering will not be damaged.

Next, a method for performing reed passing using the automatic reed passing device of the present invention will be explained.

FIG. 4 shows the starting state, in which the threading pawl 16 and the frame feed pawl 18 are inserted into the reed. Start by hooking the thread to the threading claw 16. The main chassis 3 is fixed and does not move.

FIG. 5 shows the next step, in which the air cylinder 13 is operated, the shaft 14 is rotated counterclockwise, the threading arm 17 is pivoted upward, and the thread is drawn out and threaded through the reed. On the other hand, the air cylinder 12 for frame feeding operates and the shaft 11
pushes the frame feed width adjustment device 10, the main chassis 3
The frame advance pawl 18 is inserted into the reed and is fixed and does not move, but the sub-chassis 5 moves to the frame 1 before the air cylinder 12 is activated and the frame advance pawl 8 is inserted into the reed and fixed. Move by an eye.

FIG. 6 shows the next step. The threading arm 17 rises to a predetermined upper position, and at this time the thread wiping air cylinder 22 is activated to move the thread wiping rod 21 and remove the thread from the threading claw 16. is swept downward, the frame advance pawl 18 comes out of the reed, the fixation of the main chassis 3 is released, and when the air cylinder 12 for frame advance stops, the sub-chassis 5 is moved so that the frame advance pawl 8 moves to the reed. Since it is inserted and fixed, it does not move, but the main chassis 3 is biased by the frame feeding spring 23 and moves by one stroke before the frame feeding pawl 18 is inserted into the reed and fixed. Subsequently, the threading pawl 16 is inserted into the same reed as the frame feed pawl 18.

In this way, the state returns to the state shown in FIG. 4, and threading is performed by repeating this process one after another.

As described above, when the apparatus having the specific configuration of the present invention is used, threading of the reed can be easily and automatically performed by operating each component at a certain timing.

A specific explanation will be given with reference to FIGS. 7 to 10, limiting the area where the thread is passed through the reed. FIG. 7 shows the starting state, in which the frame feed pawl 18 is inserted into the reed and the main chassis 3 is fixed. The threading claw 16 is inserted into the reed and grips the thread.

Next, each part moves to the state shown in Fig. 8, and the shaft 1
4 rotates, the threading arm 17 rises to a predetermined upper position, the threading claw 16 is pulled out from the reed, and the thread is threaded through the reed.

Thereafter, the shaft 15 rotates, the frame feed pawl 18 comes out of the reed, and the fixation of the main chassis 3 is released.

Next, each part moves to the state shown in FIG. 9, and the thread wiping air cylinder 22 is activated to move the thread wiping rod 21 and sweep the thread downward from the threading claw 16. Then, the shaft 14.15 is moved. The frame feed pawl 18 is rotated and inserted into the adjacent reed, the main chassis 3 is fixed, and then the threading pawl 16 or the frame feed pawl 18 is inserted into the same reed.

In this way, one cycle is completed and the state returns to the starting state shown in FIG. Based on practical results, 1 cycle/1.2~
A time of about 1.5 seconds gives good results.

Furthermore, by reversing the reed pattern, it is possible to restore the reed pattern and to pass the reed pattern in the opposite direction. Further, it is preferable to install a speed controller in the air cylinder or the like to adjust the time for one cycle.

〔effect〕

As explained above, the present invention has an excellent effect of being able to quickly and accurately thread the thread through the reed automatically and without skipping any steps. With conventional manual work, a team of two skilled workers can complete at most two reeds in an hour.
000 stitches per month, whereas with the present invention, one worker can accurately pass as many as 2500 stitches.
The effect is extremely significant.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the automatic distribution device of the present invention. FIGS. 2 and 3 are explanatory diagrams showing the interlocking mechanism of the threading arm of the automatic distribution device. 4 to 9 are explanatory diagrams showing the threading operation of the automatic flow device. FIG. 10 is a sectional view showing the wall thickness of the frame feeding pawl 18 and the threading pawl 16 inserted into the reed. 1...Upper frame 2...Main chassis moving rail 3...Main chassis 4...Sub chassis moving rail 5...Sub chassis 6...Air cylinder frame...Shaft 8... - Frame feed claw 9 Frame feed arm 10 Frame feed width adjustment device 11 Shaft 12 Air cylinder 13 Air cylinder 14 Shaft 15 Shaft 16 ... Threading claw 17 ... Arm 18 ... Frame feed claw 19 ... Frame feed arm 20 ... Thread removal section 21 ... Thread removal rod 22 ... Thread removal air cylinder 3...Spring for frame feed 4...Adjusting device 5...Protrusion 6...Hammer 7...Protrusion 8...Hammer receiver 9...Spring O...Base 1...Reed WingsFigure 2Figure 3Two Figures 4Figure 5Figure 6Figure 7Figure 8Figure 9

Claims (1)

[Claims] 1. A main chassis moving rail 2 is installed on the upper part of the upper frame 1 of the reed, a main chassis 3 is slidably arranged on this moving rail, and a sub-chassis moving rail is installed on the chassis. 4, a sub-chassis 5 is slidably disposed on the moving rail, an air cylinder 6 is disposed on the sub-chassis 5, a shaft 7 is rotatably connected to the air cylinder 6, and the shaft 7 is rotatably connected to the air cylinder 6. A frame-feeding arm 9 having a frame-feeding claw 8 at its tip that moves in and out of the reed is connected to the frame-feeding arm 9 so as to be rotatable in an arc shape, and a frame-feeding width adjustment device 10 is installed on the sub-chassis 5. A frame feed air cylinder 12 having a shaft 11 in contact with the frame feed width adjustment device 10 is installed in the main chassis 3.
An air cylinder 13 is arranged at a position behind the air cylinder 12, and two shafts 1 are attached to the air cylinder 13.
4 and 15 are rotatably connected, and a threading arm 17 having a threading claw 16 at the tip is coupled to the shaft 14 so as to be rotatable in an arc shape, and the shaft 15 has a frame feeding claw that goes in and out of the reed. A thread removing air cylinder 22 is connected to a frame feeding arm 19 having a thread removing section 18 at its tip so as to be rotatable in an arc shape, and is further connected to a thread removing rod 21 having a bent thread removing portion 20 at its end to the main chassis 3. is arranged at a position where the thread removing section 20 crosses under the threading arm 17, and the main chassis 3 and the sub chassis 5 are used for frame feeding to urge the frame feeding arm 19 side toward the frame feeding arm 9 side. An automatic reed threading device connected by a spring 23. 2. An adjustment device 2 is provided on the sub-chassis moving rail 4 and the sub-chassis 5 to adjust the interval between the frame-advancing arm 9 and the frame-advancing arm 19 according to the mesh of the reed at the time of starting.
4. The automatic reed passing device according to claim 1, further comprising: 4 arranged therein. 3. The frame feed width adjusting device 10 is a reed mesh formed of an adjustment screw consisting of a contact portion with the shaft 11, a male screw portion connected to the corresponding contact portion, and a female screw portion that supports this. 3. The automatic reed threading device according to claim 1, wherein the frame feed width is adjusted by a screw portion in accordance with the above. 4. A protrusion 25 is provided on the shaft 14 at a position counterclockwise when viewed from the front of the connecting position of the threading arm 17, and a hammer 26 is installed on the protrusion, and A protrusion 27 is provided at a position opposite to the clockwise direction when viewed from the front, and a hammer receiver 28 and a spring 29 are installed on the protrusion to push the protrusion 27 upward and bias the shaft 15 in the clockwise rotational direction when viewed from the front. As the shaft 14 rotates, the shaft 15 rotates in conjunction with the rotation of the shaft 14.
An automatic reed threading device according to any one of claims 1 to 3. 5. The frame feeding claw 18 and the frame feeding arm 19 serve as a fulcrum for positioning at the start and for frame feeding of the sub-chassis 5, according to any one of claims 1 to 4. Automatic reed threading device. 6. The automatic reed threader according to any one of claims 1 to 5, wherein the frame feeding claw 8 and the frame feeding arm 9 serve as fulcrums when the main chassis 3 is fed frame by frame. Device. 7. Any one of claims 1 to 6, wherein the thickness of the frame-advancing pawl 18 is greater than the thickness of the threading pawl 16, and the frame-advancing pawl 18 and the threading pawl 16 are inserted into the same reed. The automatic reed threading device described in paragraph. 8. The automatic machine according to any one of claims 1 to 7, wherein the thread removal bar 21 removes the thread pulled out from the threading arm 17 provided with the threading claw 16 and presses it downward. Reed threading device. 9. An automatic reed passing method, characterized in that the following steps (A) to (C) are sequentially and repeatedly carried out using the automatic reed passing apparatus according to any one of claims 1 to 8. (A) Insert the threading claw 16 and the frame feed claw 18 into the reed,
The thread is caught by the threading claw 16, and the main chassis 3 is fixed by the frame feed claw 18. (B) Next, operate the air cylinder 13 to
4 in the counterclockwise direction when viewed from the front, the threading arm 17 is rotated upward, the thread is pulled out, and the thread is passed through the reed. At the same time, the air cylinder 12 for frame feed is operated to operate the frame feed width adjusting device 10 using the shaft 11. is pressed to move the sub-chassis 5, and then the air cylinder 6 is operated to insert the frame feed pawl 8 into the next reed, move the sub-chassis 5 by one reed, and fix it. (C) Next, the threading arm 17 rises to a predetermined upper position and pulls out the thread sufficiently. At this time, the thread wiping air cylinder 22 operates to move the thread wiping bar 21 and remove the thread from the threading claw 16. One-sided frame advance claw 18 that sweeps downward
Take it out from the reed and release the fixation of main chassis 3.
The frame-advancing air cylinder 12 is stopped, the main chassis 3 is moved by the energized frame-advancing spring 23, and then the air cylinder 13 is activated to move the frame-advancing claw 18.
is inserted into the next reed stitch, the main chassis 3 is moved by one reed stitch and fixed, and then the threading claw 16 is inserted.