JPH0698976B2 - Unpacking device for raw cotton - 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 automatically taking out raw cotton which has been compression-molded in a block shape and packed in a bag by removing the bag.

[0002]

2. Description of the Related Art When raw cotton is sent to a spinning factory, it is generally sent in the state of being compression-molded in a block shape and packed in a cloth bag. Is. Therefore, it is necessary to take out the raw cotton from the bag before sending it to the spinning process.

Conventionally, the takeout of such a raw cotton bag is
This was done by the worker cutting the bag with a cutter and opening it, which not only resulted in poor work efficiency, but could also be dangerous.

[0004]

SUMMARY OF THE INVENTION The bagging raw cotton take-out device of the present invention has been completed in view of the above points, and is a first cutting for cutting the central portion of the upper surface of the bag in the front-back direction. Means and
Tensioning means for tensioning the front side of the bag by grasping and pulling both upper corners of the bag, second cutting means for cutting the front side of the bag in the vertical direction following the cutting line on the top side, and the back side of the bag Pulling means that grabs both ends of the upper part of the side and pulls down,
And a pressing means for pressing the rear surface of the raw cotton to tilt the raw cotton forward.

[0005]

When the bagging raw cotton is carried into the predetermined take-out position according to the present invention, the central portion of the upper surface of the bag is cut in the front-back direction by the first cutting means. . Then, the tensioning means tensions the front surface of the bag by grasping and pulling both upper corners of the front surface of the bag, and subsequently, the front surface of the tensioned bag is urged by the second cutting means to remove the above-mentioned top surface of the bag. It is cut up and down continuously with the cutting line.

When the tensioning means releases the bag, the pulling-down means instead grasps and pulls down both ends of the upper part on the rear side of the bag. Since the bag is cut from the upper surface to the front surface, the entire bag is uncovered downward while opening left and right as the bag is pulled down, exposing the raw cotton.

Then, the pressing means pushes the exposed rear surface of the raw cotton to tilt the raw cotton forward. As a result, the removal of the raw cotton from the bag is completed, and the rolled raw cotton can be conveyed to the next step by a conveyor or the like.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 and 2, reference numerals 1 to 4 denote first to fourth conveyors that convey the bagging raw cotton A. The bagging raw cotton A is compression molded into a rectangular parallelepiped as shown in FIGS. Then, the raw cotton a, which is tightly bound by the steel wire b at a plurality of positions spaced apart in the lengthwise direction of the outer peripheral surface thereof, is packed in the cloth bag c. Conveyor 1
It is placed on the top in a fixed vertical orientation and is conveyed in the direction of the arrow in FIG.

A main body frame 5 is erected from the end side of the first conveyor 1 to the start end of the third conveyor 3 so as to straddle them, and a cloth bag of the filled raw cotton A is provided on the upper surface of the entrance portion thereof. A first cutter 6 for cutting the central portion of the upper surface of c in the front-rear direction is attached.

The bagging raw cotton A transferred from the first conveyor 1 onto the second conveyor 2 is, as shown by the chain line in FIGS.
It is designed to stop at a fixed position X on the second conveyor 2, and at positions on the main body frame 5 that correspond to the upper sides of the front surface of the stopped raw cotton material A, both corners of the front upper portion of the cloth bag c. A pair of left and right first parts for grasping the parts from diagonally above on the outside
A chuck 9 is attached so that it can be moved back and forth by a cylinder 10.

An elevating body 11 is provided in front of the above-mentioned first chuck 9 in the vertical direction 1 which is erected on both sides of the conveyor.
The device is freely moved up and down along line 2, and is driven up and down by a drive device (not shown) between a position retracted above the raw cotton wool A and a position lowered to the vicinity of the upper surface of the conveyor. A second cutter 13 for vertically cutting the central part of the front surface of the raw cotton bag A is attached to the lifting body 11.

The vertical guides 15 standing upright on both sides of the rear surface side of the bag-filled raw cotton A at the stop position X are respectively provided with lifting bodies 1
6 is freely moved up and down, and a pair of left and right second chucks 17 for laterally gripping the rear upper side of the side surface of the cloth bag c are attached to each lifting body 16 so as to be movable back and forth by a cylinder 18, and not shown. The drive device reciprocates between the conveyor and the position where the conveyor is lowered.

Above the traveling path of the above-mentioned bagged raw cotton A,
A movable body 19 is freely moved along a horizontal guide 20 and is reciprocally driven by a cylinder 21 in the front-rear direction for a predetermined distance. A roller 24 is pivotally supported at the tip of the movable body 19. A pair of left and right pressing bodies 23 are attached. Each pressing body 23 faces downward as shown in FIG. 1 and a position where the roller 24 corresponds to the rear surface of the bagging raw cotton A, and as shown in FIG. It is adapted to be rockingly driven between the bag and the position where the bagging raw cotton A escapes above.

On the third conveyor 3, a pair of left and right side plates 2 is provided.
6 are provided at intervals slightly wider than the width of the raw cotton a, and a pair of receiving plates 27 are swingably attached to the lower end side by hinges 28 on the corresponding surfaces. Each receiving plate 27
Through a window hole 29 formed in the side plate 26, the side plate 26 is connected to a cylinder 30 provided on the back side of the side plate 26 so as to be rockably driven.

On the lower surface side between the second conveyor 3 and the third conveyor 3, a discharge conveyor 32 for discharging the cloth bag c is laid at right angles to them.

Next, the operation of this embodiment will be described with reference to FIGS. When the stuffed raw cotton A is conveyed by the first conveyor 1, the first cutter 6 pierces the center of the front end of the upper surface of the cloth bag c in the middle of the stuffed raw cotton A, and the running of the raw stuffed cotton A as shown in FIG. Then, the central portion of the upper surface of the cloth bag c is cut in the front-rear direction by the first cutter 6.

When the bagging raw cotton A is transferred to the second conveyor 2 through the lower side of the pressing roller 24 retracted upward and stopped at a predetermined stop position X, as shown in FIG. The first chuck 9 advances to grasp both corners of the upper part of the front surface of the cloth bag c, and then the first chuck 9 retreats, whereby the front surface of the cloth bag c is pulled diagonally outward, and the front surface of the cloth bag c is bound with the raw cotton a. It is strained in a state of being separated from the steel wire b.

Then, the second cutter 13 retracted to the upper position as shown by the chain line in the figure descends, and the front surface of the tensioned cloth bag c is cut to the cutting line d on the upper surface shown by the chain line in FIG. Then cut downward. The cutting of the front surface may be performed once from bottom to top.

When the first chuck 9 releases the cloth bag c and retreats, the left and right second chucks 17 advance to grasp the upper portions of the left and right side surfaces of the cloth bag c on the rear surface side, and subsequently, as shown in FIG.
As the second chuck 17 descends, the rear surface side of the cloth bag c is pulled down. Since the cloth bag c is cut from the upper surface to the front surface, the cloth bag c is opened leftward and rightward as the cloth bag c is pulled down, and the whole is taken off downward to expose the raw cotton a.

During this time, as shown in FIG. 6, the second cutter 13 escapes upward, and the pressing body 23 swings downward as shown by the chain line in the figure, and subsequently the piston rod of the cylinder 21 advances. Then, as the moving body 19 advances, the left and right rollers 24 push the upper end portion of the exposed rear surface of the raw cotton a to tilt the raw cotton a forward.

At that time, since the left and right receiving plates 27 attached to the side plates 26 are projected obliquely inwardly, the tilted raw cotton a is once received on both the receiving plates 27, and then the cylinder 30 of the cylinder 30. By the drive, the receiving plate 27 is gradually retracted to the side plate 26 side, and as a result, as shown in FIG.
The raw cotton a is gently laid down between the side plates 26 in a substantially constant posture.

Then, the third conveyor 3 is driven and the raw cotton a which has been laid sideways is conveyed while leaving the removed cloth bag c, transferred to the fourth conveyor 4, and the subsequent step of cutting the tight-bonded steel wire b. Moved to.

In the meantime, when the cloth bag c with the second chuck 17 left is released and the second conveyor 2 is driven, the cloth bag c is sent forward and is discharged from the gap between the cloth bag c and the third conveyor 3 to the discharge conveyor 32. Dropped up, discharged laterally and collected.

[0024]

As described above in detail, by using the device of the present invention, the work of taking out the raw cotton from the bag can be automatically and efficiently carried out, and the worker can cut the paper as in the conventional case. There is no need to cut the bag at a high place to hold,
There is also a perfect safety effect.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of an embodiment of the present invention.

FIG. 2 is a partially cutaway plan view thereof.

FIG. 3 is an explanatory diagram of a state in which the upper surface of the cloth bag is cut.

FIG. 4 is an explanatory diagram showing a state in which the front surface of the cloth bag is cut.

FIG. 5 is an explanatory diagram showing a state where the cloth bag is removed.

FIG. 6 is an explanatory view of a state in which the raw cotton is tilted.

FIG. 7 is an explanatory diagram showing a state in which raw cotton is taken out and laid sideways.

[Explanation of symbols]

A: Raw cotton in bag a: Raw cotton c: Cloth bag d: Cutting line on the upper surface 6: First cutter 9: First chuck 10: Cylinder 11: Lifting body 12: Guide 13: Second cutter 1
5: Guidance 16: Ascending / descending body 17: Second check 18:
Cylinder 19: Moving body 20: Guide 21: Cylinder 23: Pressing body 24: Roller

Claims (1)

[Claims] 1. A device for taking out raw cotton that has been compression molded into a block shape and packed in a bag from the bag, comprising: first cutting means for cutting the central portion of the upper surface of the bag in the front-back direction; Tensioning means for tensioning the front surface by grasping and pulling both upper corners of the front surface, second cutting means for vertically cutting the front surface of the bag following the cutting line of the top surface, and rear side of the bag And a pulling-down means for grasping and pulling down both end portions of the upper part and a pressing means for pressing the rear surface of the raw cotton and tilting the raw cotton forward.