JP2958397B2 - Cloth roll changer of loom - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically changing a cloth winding roll of a loom.

2. Description of the Related Art An example of this type of cloth winding roll changing apparatus is disclosed in Japanese Patent Application Laid-Open No. 60-171956. In this, the cloth roll is replaced in the following steps.

When the woven cloth to be woven in the weaving operation is wound around the cloth winding roll by a predetermined amount and becomes full, a replacement instruction for the cloth winding roll is issued.

In response to the cloth winding exchange instruction, a carrier equipped with an empty cloth winding roll is called from the factory carrier store and arrives at the front of the loom.

A full winding transfer arm assembled to the carrier grips the full winding cloth roll of the loom and moves and mounts from the loom onto the carrier.

An empty transfer arm mounted on the carrier moves and loads an empty cloth roll from the carrier to the loom.

The woven cloth connected to the full-wound cloth roll transferred and placed on the carrier from the loom is cut, and the cut end of the woven cloth on the loom side is wound around an empty cloth roll which is moved and placed on the loom.

The full roll of cloth roll is transported to the factory carrier store by moving the carrier.

In the above-described cloth winding roll changing device, the cloth winding roll is changed by driving the full transfer arm or the empty transfer arm assembled to the carrier, so that the cloth winding roll is changed until the carrier arrives. In the end, the loom must be stopped and the machine waited.In particular, when a call is received from multiple looms at once, the time required to stop the loom and wait for the carrier increases, and the operating rate of the loom increases significantly. To decline.

Therefore, the present applicant has proposed a cloth roll exchange device shown in FIGS. 7 (A) to 7 (G). 1. The empty cloth winding roll 203 is placed on an empty cloth winding roll stocker 202 provided above the winding drive unit 201 for winding the woven cloth C by rotating the cloth winding roll 200 of the loom. Then, the locking pin 204 that moves forward and backward by the actuator 208 is advanced to lock the empty cloth winding roll 203. (FIG. 7 (A)) 2. When the cloth winding roll 200 has reached a predetermined winding amount (full winding), the dispensing section 207 which moves forward and backward by the actuator 209 is advanced to move the cloth winding roll 200 in front of the loom. It pays out to the cloth roll stocker 205, and the payout unit 207 is retracted. (FIG. 7 (B)) 3. By operating the actuator 208 of the locking pin 204,
The locking pin 204 is retracted, and the empty cloth winding roll 203 is moved (dropped) to the winding drive unit 201. (FIG. 7 (C)) 4. The woven cloth C connected to the cloth winding roll 200 is cut by the cutter 206, the cut portion is wound around the empty cloth winding roll 203, and then the cloth winding roll 200 is transported by the carrier K. I do. (FIGS. 7 (D)-(G)).

Problems to be Solved by the Invention In the above-mentioned cloth winding roll changing apparatus proposed by the present applicant, an empty cloth winding roll placed on a loom is replaced with a fully wound cloth winding roll. Therefore, even if a carrier does not come, replacement work is performed, and the loom has a high operation rate. By the way, this apparatus, when placing the empty cloth winding roll on the empty cloth roll stocker provided in the loom and dropping it to the winding drive unit, by a design method usually performed,
Individual members (for example, a locking pin and a dispensing section) are operated by respective actuators, and there is a demand for thorough cost reduction in terms of cost, such as reducing the number of such actuators.

Means for Solving the Problems The invention according to claim 1 is an empty cloth roll stocker provided above a winding drive unit that winds a woven fabric by rotating a cloth roll of a loom. A locking mechanism for holding and releasing the empty cloth winding roll placed on the empty cloth winding roll stocker, and when the cloth winding roll reaches a predetermined winding amount, an actuator is driven to rotate the cloth winding roll. A payout mechanism for moving a cloth winding roll stocker provided in front of a winding drive unit, and an empty cloth winding after the cloth winding roll is moved to the cloth winding roll stocker by the payout mechanism and the locking mechanism. After the roll is released, a supply mechanism for moving the empty cloth winding roll to the winding drive unit, and cutting the woven cloth connected to the cloth winding roll moved to the cloth winding roll stocker And a winding mechanism for winding a cut portion of the woven fabric cut by the cutter mechanism around an empty cloth winding roll moved to the winding drive unit.

The dispensing mechanism includes an interlocking part with a locking mechanism that releases the locking mechanism with the same actuator as the dispensing mechanism, and the locking mechanism at a predetermined timing according to a moving position of the dispensing mechanism. An interlocking unit with a supply mechanism for supplying the released empty cloth roll to the winding drive unit by its own weight is provided.

According to a second aspect of the present invention, as the supply mechanism according to the first aspect of the present invention, the cloth winding roll is moved to the cloth winding roll stocker by the payout mechanism, and the emptying is performed after the locking mechanism is released. Receiving the cloth winding roll, the position of the empty cloth winding roll is corrected so as to be parallel to the drive axis of the winding drive unit, and the empty cloth winding roll is released in conjunction with the movement of the payout mechanism to a predetermined position. And a receiving portion for supplying the empty cloth winding roll to the take-up driving portion by its own weight falling.

Further, the invention according to claim 3 is the supply mechanism according to claim 1, wherein the cloth discharging roll moves to the cloth winding roll stocker by the payout mechanism, and the emptying mechanism is released after the locking mechanism is released. A catch unit for receiving and temporarily stopping the cloth winding roll, and releasing the empty cloth winding roll when the payout mechanism moves to the retreat position and supplying the empty cloth winding roll to the winding drive unit by dropping its own weight. It is characterized by having.

In a state in which the empty cloth winding roll is held in the empty cloth winding roll stocker, when a predetermined amount of the woven cloth is wound around the cloth winding roll located in the winding drive unit by the progress of the weaving operation, the cloth winding roll Is moved and loaded on a full-wrap cloth roll stocker by the forward movement of the payout mechanism, and the payout mechanism is moved backward. It is dropped and supplied from the winding roll stocker to the winding drive unit at a predetermined timing via a supply mechanism, and the cutter mechanism causes the empty cloth winding roll on the winding driving unit and the full cloth winding roll on the full cloth winding roll stocker to interlock. Cut the woven fabric between
The winding mechanism winds the cut end of the woven fabric on the winding drive unit side around the empty cloth winding roll that has been dropped and supplied to the winding drive unit.

Embodiment In FIG. 1 (A), 1 is a winding drive unit, 2 is an empty cloth roll stocker, 3 is a locking mechanism, 4 is a damper mechanism as a supply mechanism, 5 is a full cloth roll roll stocker, 6
Denotes a payout mechanism, 7 denotes a cutter mechanism, and 8 denotes a winding mechanism.

FIG. 1 (B) is a plan view of a main part of FIG. 1 (A) for easy understanding of the positional relationship between the individual mechanisms.

The winding drive unit 1 is formed at the lower front part of the left and right side frames 10 constituting the frame of the loom, the peripheral surface of which is made of a material such as synthetic rubber exhibiting frictional force and durability against the woven cloth C. It is a so-called surface drive type provided with front and rear rollers 11, 12. In this embodiment, one of the front and rear rollers 11 and 12, and in this embodiment, the rear roller 12 is a surface roller 14
And a power transmission mechanism such as a chain and a timing belt (not shown). Front roller 11 is front and rear roller 11,1
In a state where the paper-winding roll A is placed on the paper roll 2, the rear roller 12 is driven to rotate in the direction of the arrow and is driven to rotate together with the cloth roll A in the direction of the arrow. A woven cloth C woven by the weaving operation of the loom is fed to the cloth winding roll A from a guide bar 13 → a surface roller 14 →
Press roller 15 → guide bar 16 → guide bar 17 provided behind rear roller 12 → vent bar 18 provided between front and rear rollers 11, 12 → wound between cloth winding roll A and front roller 11 sequentially Can be

The blank roll-wound roll stocker 2 is provided above the front and rear rollers 11, 12 of the side frame 10 so as to be inclined toward the front and rear rollers 11, 12, and has a substantially U shape when viewed from the front of the loom. Both ends of a paper-tube-shaped empty cloth winding roll B are movably inserted between the walls 20 and 21 and the vertical wall 22. This empty cloth winding roll B has the same structure as the cloth winding roll A described above.

The locking mechanism 3 is for holding and releasing the empty cloth roll B with respect to the empty cloth roll stocker 2.
Is a long hole 31 formed in the lower wall 21 of the roll cloth stocker 2
The peripheral surfaces of both ends of the empty cloth roll B which is to slide down on the lower wall 21 by entering toward the upper wall 20 are rod members.
While the rod member 30 is in contact with and held by the upper wall 20 and the rod member 30 is withdrawn from the empty roll roll stocker 2, the empty roll B is released. By the releasing operation of the locking mechanism 3, the empty cloth winding roll B falls from the empty cloth winding roll stocker 2 to the front and rear rollers 11, 12.

The damper mechanism 4 is provided with a damper arm 40 for receiving the empty cloth winding roll B on the way from the empty cloth winding roll stocker 2 to the front and rear rollers 11, 12, and a payout mechanism 6 for returning the received empty cloth winding roll B to this position. In order to prevent interference with the supply mechanism 4, a cam 41 is provided on the payout mechanism 6 as an interlocking part with the supply mechanism 4, whereby the empty cloth winding roll B is released when the payout mechanism 6 moves to a predetermined position. To fall by its own weight. Damper arm
An intermediate portion in the front-back direction of the damper arm 40 is rotatably connected to the side frame 10 in a vertical direction by a pin 42, and a receiving portion 43 bent upward is formed at a rear end of the damper arm 40, and a front end of the damper arm 40 is formed. A weight 44 is attached to the portion. The weight of the weight 44 is determined by the empty cloth roll B
In a normal state in which the sheet is not placed on the receiving portion 43, the receiving portion 43 moves up about the pin 42, the damper arm 40 comes into contact with the lower wall 21 of the empty fabric winding roll stocker 2, and the empty fabric winding roll B rests on the receiving portion 43. In this state, the weight of the empty cloth roll B causes the receiving portion 43 to move downward about the pin 42. At the time of this downward movement, the damper arm 40 does not interfere with the empty cloth roll stocker 2, the locking mechanism 3, the dispensing mechanism 6, and the like. The cam 41 is formed at the upper edge of the free end of the base plate 60 of the dispensing mechanism 6, and when the dispensing part 61 of the dispensing mechanism 6 is retracted, the receiving part 43 is formed.
Is released and the empty cloth winding roll B is moved to the front and rear rollers 11 and 12 of the winding drive unit 1 so that the payout mechanism 6 and the receiving unit 43 are linked. Is the receiving part from the empty cloth roll stocker 2.
Before being placed on 43, support the lower surface of the damper arm 40,
When the empty cloth roll B is placed on the receiving portion 43, the support of the damper arm 40 is released after the upper end of the dispensing portion 61 of the dispensing mechanism 6 that moves back is positioned at least behind the empty cloth roll B. I do.

The full-wrap cloth roll stocker 5 temporarily stores the cloth roll A around which a predetermined amount of the woven cloth C is wound, and is provided at a position before the front roller 11 of the side frame 10. Specifically, a full-roll cloth roll stocker 5
A base block 50 is laid across the side frame 10, and a stocker plate 51 is provided above and behind the base block 50.
Are mounted on the base block 50, and a stock cover 52 is mounted on the front upper portion of the base block 50. The stocker plate 51 and the stock cover 52 are spaced at a predetermined interval in the longitudinal direction of the loom, and a cloth winding roll A around which a predetermined amount of woven fabric C is wound is placed on the stocker plate 51 and the stock cover 52. Is placed.

The dispensing mechanism 6 projects in the left-right direction of the loom from the woven cloth C of the cloth winding roll A located on the winding drive mechanism 1 by the forward movement from the back of the loom to the front of the loom by driving the air cylinder 100 as an actuator. Then, the cloth winding roll A is moved forward from the front and rear rollers 11 and 12 to the full cloth winding roll stocker 5, and then the front and rear rollers 1 are moved.
It moves backward from between the positions 1, 12 and is provided at the lower front part of the side frame 10. Specifically, the dispensing mechanism 6 includes a base plate 60 rotatably attached to both ends of the support shaft 11a of the front roller 11, and the dispensing portion 61 is directed inward at the rear end of the free end of the base plate 60. It is formed to protrude.

The cutter mechanism 7 is provided between the front roller 11 of the side frame 10 and the full-wrap cloth roll stocker 5, and moves from one side frame 10 to the other side frame along a cutter guide 70 formed at the rear of the base block 50. 10 (moving in the direction of the front and back of the paper in FIG. 1 (A)), the cloth winding roll A on the full cloth winding roll stocker 5 and the empty cloth winding roll B on the front and rear rollers 11, 12 are moved. Then, the woven fabric C is cut.

The winding mechanism 8 is provided at the lower front part of the side frame 10, and as shown in FIG.
Is wound from the empty cloth roll stocker 2 to the empty cloth roll B which is moved and mounted on the front and rear rollers 11 and 12, and includes a blow-up nozzle 80, a separation nozzle 81, a blowing nozzle 82 and a guide plate 83. It is configured. Immediately after cutting, the blowing nozzle 80 cuts the front roller side cut end Ca of the woven fabric C.
Is blown up onto the empty cloth roll B and polymerized, and a pipe attached to the rear wall of the cutter guide 70 is used.
It is provided at the rear part on the peripheral wall of the 84 so as to be spaced apart in the cloth width direction.
The pipe 84 extends substantially straight in the cloth width direction of the woven cloth C, and one end of the pipe 84 is connected to an air pump or an air tank as a pressurized air supply source (not shown) via an electromagnetically driven switching valve (not shown). Connected, and the other end of the pipe 84 is sealed.
The separation nozzle 81 is configured such that the cut end Ca on the front roller side of the woven fabric C superimposed on the empty cloth winding roll B is connected to the empty cloth winding roll B and the rear roller 12.
When projecting downward from between, the front roller side cut end Ca is to separate from the rear roller 12, separated from the upper wall surface of the square pipe 85 attached to the vent bar 18 in the cloth width direction. Is provided. The square pipe 85 is extended substantially straight in the cloth width direction of the woven fabric C, and one end of the square pipe 85 is connected to the air pump or the air tank through an electromagnetically driven switching valve (not shown) different from the above. It is connected, and the other end of the square pipe 85 is sealed. The blowing nozzle 82 blows the front roller cutting end Ca of the woven fabric C separated from the rear roller 12 between the empty cloth winding roll B and the front roller 11, and blows the cloth onto the front wall of the square pipe 85 described above. They are spaced apart in the width direction.

Here, a locking mechanism 3 is connected to the dispensing mechanism 6, and the dispensing mechanism 6 and the locking mechanism 3 are structured to be driven by an air cylinder 100 as the same actuator assembled to the side frame 10. ing. Specifically, the other end of the locking mechanism 3 extending below the rod member 30 is connected to the front part of the base plate 60 of the dispensing mechanism 6 by a pin 101 forming an interlocking part with the sealing mechanism 3. . Bar member 3
0 is a guide plate 10 attached to the side frame 10 in the vicinity of the lower part of the empty rolled stocker 2.
It is movably inserted into the second guide hole 103. Pin 101
The end of the operating rod 104 of the air cylinder 100 is connected to. The cylinder tube 105 of the air cylinder 100 is connected to the side frame 10 by a pin 106.

According to the structure of the above embodiment, as shown in FIGS. 1 (A) and 2, the air cylinder 100 is reduced, the dispensing portion 61 of the dispensing mechanism 6 is stopped at the retreat limit position, and the rod of the locking mechanism 3 is moved. Element
30 enters the empty cloth winding roll stocker 2, and in a state where the empty cloth winding roll B is held by the empty cloth winding roll stocker 2, first, the woven cloth C is positioned on the winding drive mechanism 1 by the progress of the weaving operation. Roll A that is driven and rotated
When the cloth winding roll A reaches a predetermined winding amount, the weaving operation is continued and the air cylinder 100 is wound.
Is driven to extend. Then, as shown in FIG.
With the extension of 104, the dispensing section 61 of the dispensing mechanism 6 moves forward around the support shaft 11a, and
From the upper and lower rollers 11 and 12 to the fully wound cloth roll stocker 5 side than the uppermost part of the front roller 11, and the cloth roll A
Is moved forward from the dashed line to the phantom line by its own weight beyond the uppermost portion of the front roller 12, and is placed on the full-wrap cloth roll stocker 5. At this time, the woven fabric C is
From the front roller 11 to the cloth winding roll A via the stocker plate 51. Dispensing section of dispensing mechanism 6
The cam 41 moves to the receiving portion 43 of the damper arm 40 due to the forward movement of 61.
And the rod member 30 of the locking mechanism 3 is
Is drawn out of the empty roll-equipped roll stocker 2 while being guided by the
Is laid down on the receiving portion 43, and the receiving portion 43 is slightly moved down around the pin 42 by the weight of the blank wrapping roll B, and is brought into contact with and supported by the cam 41 provided on the payout mechanism 6.

Next, the air cylinder 100 is driven to contract from the state shown in FIG. Then, as shown in FIG. 4, as the operating rod 104 is contracted, the dispensing portion 61 of the dispensing mechanism 6 is moved to the supporting shaft.
When the upper end of the paying-out portion 61 moves rearward from the empty cloth winding roll B on the receiving portion 43, the tip of the damper arm 40 is moved back to the empty cloth winding roll B.
Due to its own weight, it moves down around the pin 42 along the cam 41, and the empty cloth winding roll B is moved from the receiving portion 43 to the front and rear rollers 1.
While the position is corrected so as to be parallel to the axes of the drive rollers 1 and 12 (the drive axis of the take-up drive unit 1), they are discharged so as to be guided by the front and rear rollers 11 and 12, and the front and rear rollers 1 as indicated by the chain line.
It is supplied and placed on 1,12. At this time, empty cloth roll B
Are abutting against the dispensing section 61 from the receiving section 43 and the front and rear rollers
May arrive at 11,12. Further, with the return operation of the payout mechanism 6, the rod member 30 of the locking mechanism 3 enters the empty cloth roll stocker 2.

Then, as shown in FIG. 4, a part of the woven cloth C is sandwiched between the empty cloth winding roll B and the front roller 11, and the cloth winding roll placed on the full cloth winding roll stocker 5 from the front roller 11. By moving the cutter mechanism 7 from one side frame 10 to the other side frame 10 in a state where the cutter mechanism 7 is connected to A, the cutter mechanism 7 is placed on the front and rear rollers 11, 12 as shown by a solid line in FIG. Empty cloth winding roll B and cloth winding roll A placed on full cloth winding roll stocker 5
Then, the woven fabric C is cut.

Thereafter, as shown in FIG. 5, the winding mechanism 8 winds the cutting edge Ca on the front roller side as the cutting end on the winding drive mechanism side of the woven cloth C around the empty cloth winding roll B on the front and rear rollers 11, 12. That is, after the initial blown by injecting air into the direction of arrow X ₁ from the nozzle 80, to polymerize the pre-roller-side cut end portions Ca on empty cloth roller B, blow nozzle 80
Stops air injection from. Then the front roller side cut end
Ca is protruded downward through the space between the rear roller 12 and the empty cloth winding roll B while being superposed on the empty cloth winding roll B with the driven rotation of the front roller 11 and the empty cloth winding roll B. At this time, air is supplied from the separation nozzle 81 and the blowing nozzle 82 by arrows X ₂ and X ₂ .
Ejects in _three directions. Then, the front roller side cut end Ca projecting from between the rear roller 12 and the empty cloth winding roll B is separated from the rear roller 12 by the air from the separation nozzle 81, and the square pipe 85 and the empty cloth winding roll B After being blown toward the guide plate 83 through the gap, the air from the blowing nozzle 82 flowing along the guide plate 83 generates air between the empty fabric roll B and the front roller 11, specifically, the vent bar 18.
Is blown into the space between the woven cloth C connected to the front roller 11 and the empty cloth winding roll B, and is wound around the empty cloth winding roller B as shown by a chain line. Upon completion of the winding, the air injection from the separation nozzle 81 and the blowing nozzle 82 is stopped.
This completes one cycle of the cloth winding roll replacement operation.

By the way, when the front roller side cut end Ca is blown between the woven cloth C and the empty cloth winding roll B connected from the vent bar 18 and wound around the empty cloth winding roll B, the rear roller 12
The fore end roller 11 is forcibly stopped or reversely rotated while normally rotating the empty cloth winding roll B in the direction of the arrow shown in FIG. 1, and the cut end portion Ca is more securely wound on the empty cloth winding roll B. You may do so.

When one cycle of the cloth winding roll replacement operation is completed, a cloth winding roll is loaded from a carrier store in a factory (not shown) and a carrier ready for replacement is called from a carrier store in the factory according to a cloth winding replacement instruction, and the front part of the loom is started. While the full winding transfer arm mounted on the carrier grips the cloth winding roll A on which the predetermined amount of woven fabric is wound on the full winding cloth roll stocker 5 and moves and mounts it on the carrier. At the same time, after the empty transfer arm mounted on the carrier supplies the empty cloth roll from the carrier to the empty cloth roll stocker 2, the full cloth roll is transported to the factory carrier store by moving the carrier. When the empty cloth winding roll B is supplied from the carrier to the empty cloth winding roll stocker 2, the locking mechanism 3
Since the rod member 30 has entered the empty cloth roll stocker 2, the empty cloth roll B is held by the empty cloth roll stocker 2 by the locking mechanism 3 to prepare for the next cloth roll exchange. .

According to this embodiment, since the empty fabric winding roll B is dropped and supplied from the empty fabric winding roll stocker 2 to the winding drive mechanism 1 via the damper mechanism 4 in multiple stages, the winding fabric driving mechanism from the empty fabric winding roll stocker 2 is provided. 1, the inclination of the posture of the blank cloth winding roll B during the movement thereof can be prevented, and the collision force with the winding drive mechanism 1 can be reduced.

In the above-described embodiment, the rod member 30 is connected to the base plate 60 by the pin 101 as an interlocking portion between the payout mechanism 6 and the locking mechanism 3. However, the present invention is not limited to this, and as shown in FIG. 3, an arm 302 that swings around a fixed shaft 300 is provided, and a block 301 that locks the empty cloth roll B is formed at one end of the arm 302, and the other end is formed on a stopper pin 600 formed on the base plate 60. They may be linked so as to engage.

Although not shown, for example, the winding drive unit is
It is also possible to configure a so-called center drive type in which both ends of the cloth winding roll are rotated by a drive shaft assembled to the side frame.

Advantageous Effects of the Invention As described above, according to the present invention, the cloth winding roll replacement work is performed on the loom, so that the cloth winding roll replacement work can be performed immediately without stopping the weaving operation, and the operating rate of the loom is reduced. Can be improved.

Further, in particular, the payout mechanism of the cloth winding roll exchanging device, the interlocking part of the locking mechanism that releases the locking mechanism with the same actuator as the payout mechanism, and at a predetermined timing according to the moving position of the payout mechanism, Since there is an interlocking part with the supply mechanism that supplies the empty cloth roll released by the locking mechanism to the winding drive unit by its own weight, the payout mechanism, the locking mechanism, and all the supply mechanism are the same. The interlocking operation can be performed with a timing by the actuator, so that the apparatus can be simplified, cost can be reduced, and the loom can be made compact.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 (A) is a side view showing an embodiment of the present invention, FIG. 1 (B) is a plan view of a main part of FIG. 1 (A), and FIG. FIG. 3 is an operation explanatory view showing an initial state of the cloth roll exchange work of the embodiment, and FIG. 3 shows a cloth roll wound with a predetermined amount of woven cloth of the embodiment moved and mounted on a full cloth roll roll stocker. FIG. 4 is an operation explanatory view showing a state where the empty cloth winding roll of the embodiment is supplied to a winding drive mechanism, and FIG. 5 is a view illustrating the operation of the winding drive mechanism of the embodiment. FIG. 6 is an operation explanatory view showing a state in which a cut end of a woven fabric is wound around an empty cloth winding roll. FIG. 6 is an explanatory view showing another embodiment of an interlocking portion of a payout mechanism and a locking mechanism, and FIG. ) ~
(G) is an explanatory view showing a conventional example proposed by the present applicant. Reference numeral 1 denotes a take-up driving mechanism, 2 ... an empty cloth roll stocker, 3 ... a locking mechanism, 4 ... a damper mechanism (supply mechanism),
5: Fully-wrapped cloth roll stocker, 6: Discharge mechanism, 7: Cutter mechanism, 8: Winding mechanism, 41: Cam (interlocking part), 100: Air cylinder (actuator), 101: Pin (Interlocking part).

Continuation of the front page (72) Inventor Takayuki Tsukuma 2 Nissan Motor Co., Ltd., 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture (56) References JP-A-50-148765 (JP, A) JP-A-1-97241 (JP) , A) Jikken 44-14968 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) D03D 29/00-51/46 B65H 19/00-19/30 B65H 21/00 -21/02

Claims (3)

(57) [Claims] An empty cloth roll stocker provided above a winding drive unit for winding a woven cloth by rotating a cloth winding roll of a loom; and a blank roll winding stocker mounted on the empty cloth roll roll stocker. A holding mechanism for holding and releasing the empty cloth winding roll; and a cloth provided in front of the winding drive unit by driving an actuator when the cloth winding roll reaches a predetermined winding amount. A dispensing mechanism for moving to a winding roll stocker; and an empty cloth winding roll after the cloth winding roll is moved to the cloth winding roll stocker by the dispensing mechanism and after the empty cloth winding roll is released by the locking mechanism. A supply mechanism for moving the woven cloth to the winding drive unit; a cutter mechanism for cutting a woven fabric connected to the cloth winding roll moved to the cloth winding roll stocker; And a winding mechanism for winding the cut portion of the cut woven cloth around the blank cloth winding roll moved to the winding drive unit. The discharging mechanism includes the same actuator as the discharging mechanism. At a predetermined timing according to the movement position of the payout mechanism, the empty cloth winding roll released by the locking mechanism is supplied to the winding drive unit by its own weight falling at a predetermined timing according to the movement position of the payout mechanism. A cloth winding roll changing device for a loom, comprising an interlocking portion with a supply mechanism. 2. The supply mechanism receives the empty cloth winding roll after the cloth winding roll is moved to the cloth winding roll stocker by the payout mechanism and the locking mechanism is released.
The position of the empty cloth winding roll is corrected so as to be parallel to the drive axis of the winding drive unit, and the empty cloth winding roll is released in conjunction with the movement of the payout mechanism to a predetermined position. The cloth winding roll exchanging device for a loom according to claim 1, further comprising a receiving portion that supplies the take-up drive to the winding drive unit when the device falls. 3. The supply mechanism receives the empty cloth winding roll and temporarily stops after the cloth winding roll is moved to the cloth winding roll stocker by the payout mechanism and the locking mechanism is released. The loom according to claim 1, further comprising a catching unit that releases the empty cloth winding roll when the mechanism moves to the retracted position and supplies the empty cloth winding roll to the winding drive unit by dropping its own weight. Cloth roll changer.