JP2001213414A - Unpacking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To cut and remove at a breath four annealed wires wound on a packing even when the type of packing of the pack is curved and deformed. SOLUTION: A carrier conveyor 3 for a pack 1 fastened by annealed wires 2 is constituted of four conveyors so disposed as to form a plane view cross-shaped clearance 31. An annealed wire count cutting device 4 for cutting the annealed wire on the carrier conveyors is constituted of four sets of cutting mechanism 42 formed of cutting blades and cutting blade driving means, a cruciform frame 43 provided with four sets of cutting mechanism in plan view cross shape and supporting them to be rocked in the up and down direction respectively and a lifting and lowering means for lifting the cruciform frame 43, protruding the cutting blades out of a cruciform clearance 31 and pushing the same on the lower face of the pack on the carrier conveyor. An annealed removing device 6 for pulling out and removing cut annealed wires is constituted of fur sets of drawing mechanism 62 formed of drawing blades and drawing blade driving means, a cruciform frame 63 providing the four sets of drawing mechanism in plan view crossing shape and supporting respective mechanism to be rocked in the up and down direction respectively and a lifting and lowering means for lowering the cruciform frame 63 and pressing the drawing blades on the upper face of the pack on the carrier conveyor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an unpacking device,
In particular, the present invention relates to an unpacking apparatus suitable for automatically cutting and removing a number line when unpacking a papermaking material package such as pulp or waste bale paper that has been compression molded and tightened with a number line.

[0002]

2. Description of the Related Art For example, pulp and bale waste paper as raw materials for papermaking are conventionally solidified into a rectangular shape by a compression machine and tightened with a wire in order to facilitate transportation and stocking. The package 1 tightened at this line is, for example, as shown in FIG.
As shown in the figure, four number lines 2 are used, two of which are wound in parallel with the four surfaces in the longitudinal direction of the package 1, and the other two are wound in parallel with each other so as to intersect with these number lines 2, and the upper and lower two The wire 2 is wound around the surface so as to form a girder shape in a plan view.

[0003]

The removal of the tightened line 2 has been performed manually by an operator using tools such as pliers, clippers and the like. However, the work environment is deteriorated by dust and the like. Also, there was a problem of worker safety.

[0004] For this reason, several line cutting and removing apparatuses have been proposed, but none of them has been satisfactory. For example, in a device configured to cut and remove a package wire on a conveyor by placing a wire line cutting device on one side of the conveyor and a wire line remover on the other side, first cut two parallel wire lines. After removal, rotate the package 90 degrees,
As a result, the remaining two lines are removed, and the processing time is long, and there is a disadvantage that the production throughput cannot be met.

[0005] It is also conceivable to shorten the processing time by cutting and removing the wire wound in a double-girder form from the upper and lower two sides of the package, but in particular, the papermaking material is stacked and tightened with the wire. The packaging is likely to bend in the vertical direction due to vibrations during transportation or the like due to the stacked papermaking raw materials and the tightening force of the tightened number line.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an unpacking apparatus which can cut and remove four wire lines wound around a package at once, even if the form of the package is curved and deformed in the vertical direction.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a conveyor for transporting a package tightened by a line, a line cutting device for cutting the line of the package on the conveyor, and a line for pulling out and removing the cut line. In the unpacking device provided with the removing device, the transport conveyor is constituted by four conveyors arranged so as to form a cruciform gap in plan view, and the number line cutting device includes a cutting blade and a cutting blade drive. Four cutting mechanisms formed by the means, a four-piece cutting mechanism arranged in a cross shape in plan view, and a cross-shaped frame body that supports each of the four cutting mechanisms so as to be swingable up and down, and the cross-shaped frame Lifting means for raising the body and projecting the cutting blade from the cross-shaped gap to the upper surface of the conveyor and pressing the same against the lower surface of the package on the conveyor, wherein the number line removing device comprises a drawer blade and a drawer blade Formed by the driving means Four sets of draw-out mechanisms, a cross-shaped frame that arranges each of the four sets of draw-out mechanisms in a cross shape in a plan view and supports each of them in a vertically swingable manner, and lowers the cross-shaped frame And a lifting means for pressing the drawer blade against the upper surface of the package on the conveyor. In another aspect, the unpacking device is characterized in that the number line cutting device is arranged above and the number line removing device is arranged below.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to FIGS. Packing 1
Is a conveyor 3 for the package 1 tightened at the line 2, a line cutting device 4 for cutting the line 2 of the package 1 on the conveyor 3, and the cut line 2 is pulled out and removed. And a track removal device 6. Reference numeral 8 denotes at least four columns of the unpacking device. 9 is a storage box of a cutting line provided adjacent to one side of the column 8.

As shown in FIG. 2, the conveyor 3 has four conveyors 30a, 30b, 30c, 30d.
And a gap 31a in the operation direction of the conveyor 3
The gap 31b crossing the operating direction of the conveyor 3 is arranged so as to form a cross-shaped gap 31 in plan view.

As shown in FIGS. 2, 4 and 5, the number cutting device 4 comprises four sets of cutting mechanisms 4 formed by a number cutting metal fitting 40 and a hydraulic cylinder 41 serving as cutting blade driving means.
2a, 42b, 42c, 42d and the four sets of cutting mechanisms 4
A cross frame 43 for arranging 2a, 42b, 42c, and 42d in a cross shape in a plan view and supporting each of the cross frames in a vertically swingable manner;
0 is protruded from the cross-shaped gap 31 to the upper surface of the conveyor 3 and is pressed down against the lower surface of the package 1 on the conveyor 3 and a lower hydraulic cylinder 44 as an elevating means.
The cruciform frame 43 is provided on the support 8 via the linear bush bearing 10 so as to be able to move up and down the cruciform gap 31.

Each cutting mechanism 42a, 42b, 42c, 42
d is each arm 43a, 43b, 43c of the cross-shaped frame 43,
It is provided on the upper surface of the cross-shaped frame 43 so as to be able to swing vertically with the bolt 46 of the bracket 45 43d as a base point. The bolts 46 are inserted into long holes 48 of brackets 47 provided on both sides of the body of the hydraulic cylinder 41, and the long holes 48 are slightly inward from lines hanging from the center of gravity G of each cutting mechanism, that is, The cruciform frame 43 is formed near the center. The long holes 48 rise obliquely from the center side of the cross frame 43 toward the outside, and as shown in FIG.
8, 48 have an inverted "C" shape in side view. On the upper surface of each arm of the cross-shaped frame 43, a stopper projection 49 is provided slightly outside of the center of gravity G of each cutting mechanism. Hole 4
8 and bolts 46 located at the top of each of the cutting mechanisms 42a,
Reference numerals 42b, 42c, and 42d are held in a horizontal state by a cross frame 43.

The line cutting metal fitting 40 is a hydraulic cylinder 4
1, a fixed cutting blade 50, a movable cutting blade 51 that moves with respect to the fixed cutting blade 50, a pressing plate 52 that squeezes the movable cutting blade 51 movably with the fixed cutting blade 50,
And a bolt 53 for supporting them. The movable cutting blade 51 moves along the fixed cutting blade 50 by the expansion and contraction of the rod 55 of the hydraulic cylinder 41 connected to the arm 54. The serrated cutting edge of the fixed cutting blade 50 and the moving cutting blade 51 is such that, when the moving cutting blade 51 is in a non-operating state, each cutting edge of the moving cutting blade 51 is located in the middle of each cutting edge of the fixed cutting blade 50, and is in an operating state. In this example, each cutting edge of the movable cutting blade 51 is set to move a distance of at least two of the cutting edges of the fixed cutting blade 50. As shown in FIG. 8, a gap 56 for protecting the cutting edge is formed between the fixed cutting blade 50 and the moving cutting blade 51.

As shown in FIGS. 3, 9, and 10, the number line removing device 6 includes four sets of pull-out mechanisms 62a, 62b, which are formed by a number line pull-out fitting 60 and a hydraulic cylinder 61 serving as a pull-out blade driving means. 62c and 62d, and each draw-out mechanism 62
a, 62b, 62c, 62d arranged in a cross shape in a plan view and supporting each of them so as to be able to swing vertically.
3 and the cross frame 63 is lowered so that
And an upper hydraulic cylinder 64 which is an elevating means for pressing the upper surface of the package 1 on the conveyor 3.

The track removing device 6 is supported by a frame 13 with wheels guided by a pair of guide rails 12 extending horizontally above the storage box 9 provided on the support column 8. The frame 13 with wheels is reciprocated between the upper part of the conveyor 3 and the upper part of the storage box 9 by moving the frame 13 with wheels on the guide rails 12 and 12 by the horizontal movement cylinder 14 provided in the above. The cruciform frame 63 is provided on the wheeled frame 13 via a linear bush bearing 15 so as to be able to move up and down.

Each of the pull-out mechanisms 62a, 62b, 62c, 62
d is each arm 63a, 63b, 63c of the cross-shaped frame 63,
A 63d bracket 65 is provided on the lower surface of the cross-shaped frame 63 so as to be vertically swingable with the bolt 66 as a base point. The bolt 66 is inserted into an elongated hole 68 of a bracket 67 provided on both sides of the body of the hydraulic cylinder 61. This elongated hole 68 is slightly inside, that is, It is formed near the center of the character frame 63. The long holes 68 obliquely descend outward from the center of the cross-shaped frame 63 toward the outside, and as shown in FIG.
Reference numeral 68 indicates a "C" shape in side view. The hydraulic cylinder 6
1, a horizontal maintenance metal fitting 69 is provided slightly outside the center of gravity position G, the horizontal maintenance metal fitting 69 abuts against the lower surface of each arm of the cross-shaped frame 63, and the bolt 66 located above the long hole 68.
Thus, the respective pull-out mechanisms 62a, 62b, 62c, 62d are held by the cross frame 63 in a horizontal state.

The lead wire fitting 60 is a hydraulic cylinder 6
A fixed drawer blade 70 fixed to 1, a movable drawer blade 71 that moves with respect to the fixed drawer blade 70, and a holding plate 72 that movably clamps the movable drawer blade 71 to the fixed drawer blade 70;
And a bolt 73 for supporting these. The movable extraction blade 71 moves along the fixed extraction blade 70 due to the expansion and contraction of the rod 75 of the hydraulic cylinder 61 connected to the arm 74. The fixed extraction blade 70 and the movable extraction blade 71 are such that, when the movable extraction blade 71 is not operated, the respective cutting edges of the fixed extraction blade 70 and the movable extraction blade 71 overlap in a substantially triangular shape in a side view. The cutting edge of the drawing blade 71 moves a distance of about 1.5 times the cutting edge interval of the fixed drawing blade 70, and as shown in FIG. 14, a line picking interval 76 is formed between the grooves formed below each cutting edge. Is set to Also,
As shown in FIG. 13, a gap 7 for protecting the cutting edge is provided between the cutting edge of the fixed drawing blade 70 and the cutting edge of the movable drawing blade 71.
7 are formed.

Next, the step of cutting and removing the line 2 from the package 1 by the unpacking device having the above-described configuration will be described. First, the package 1 is transported between the line cutting device 4 and the line removing device 6 by the conveyor 3. Is reached by the phototube (not shown) installed on the column 8, the conveyor 3 stops. Next, the cross-shaped frame 3 of the track cutting device 4
1 rises in the cross-shaped gap 31 by the lower hydraulic cylinder 44, and the blade edge of each wire cutting metal fitting 40 of each cutting mechanism 42 a, 42 b, 42 c, 42 d projects from the upper surface of the conveyor 3, and the package 1 is moved from above the conveyor 3. Push up slightly and stop. Subsequently, the track removing device 6 is moved to the upper hydraulic cylinder 64.
, And each drawer mechanism 62a, 62b, 62c, 6
2d is pressed against the upper surface of the package 1, and when a pressure sensor (not shown) provided on the upper hydraulic cylinder 64 detects a pressing force required for cutting / removing, the upper hydraulic cylinder 64 is pressed. Stops.

At this time, if the package 1 is not deformed and the lower surface and the upper surface are flat and both surfaces are substantially parallel, each of the cutting mechanisms 42a, 42b, 42c, 42d of the number cutting device 4 is used.
No. wire cutting bracket 40 and each pull-out mechanism 6 of wire number removing device 6
2a, 62b, 62c, 62d, the line drawing fitting 60,
In the horizontal state shown in FIGS. 5 and 10, respectively, the entire length of the cutting edge is pressed against the lower surface and the upper surface of the package 1.

Further, the package 1 is deformed, and the lower surface becomes concave,
When the upper surface is curved in a convex shape, each cutting mechanism 42a, 42b, 42c, 42d of the wire cutting device 4 first presses the outer part of the upper surface of each wire cutting metal 40 against the lower surface of the package 1, and As shown in FIG. 15, each of the cutting mechanisms 42a, 42b, 42c, and 42d matches the concave shape of the lower surface of the package 1 and has a cross shape. The end of the frame 43 at the center portion is lifted, and the entire length of the cutting edge of each wire cutting metal fitting 40 is pressed against the concave lower surface of the package 1. On the other hand, each drawer mechanism 62a, 62b, 62c, 62d of the track removal device 6
First, the inner part of the wire pull-out fitting 60 is pressed against the upper surface of the package 1, and then the bolt 66 is positioned below the elongated hole 68 by the pressing force, and the outer part descends with the horizontal maintenance fitting 69 as a fulcrum. , The inner bottom of the hydraulic cylinder 61 abuts against a stopper 78 on the upper surface of the cruciform frame 63, and as shown in FIG. 16, each of the pull-out mechanisms 62 a, 62 b, 62 c, 6
2 d matches the convex shape of the upper surface of the package 1, the end on the center portion is lifted, and the entire length of the cutting edge of each wire drawing metal fitting 60 is pressed against the convex upper surface of the package 1.

Further, when the lower surface of the package 1 is curved in a convex shape and the upper surface is curved in a concave shape, the cutting mechanisms 42a, 42b, 42c and 42d of the wire cutting device 4 Is located at the upper part of the elongated hole 48, the inner part descends with the bolt 46 as a fulcrum, and the inner bottom part of the hydraulic cylinder 41 comes into contact with the stopper 57 on the upper surface of the cross-shaped frame 9, and as shown in FIG. Each of the cutting mechanisms 42a, 42b, 42c,
42 d matches the convex shape of the lower surface of the package 1, the end on the central portion side is pushed down, and the entire blade edge of each wire cutting metal fitting 40 is pressed against the convex lower surface of the package 1. On the other hand, in each of the pull-out mechanisms 62a, 62b, 62c, and 62d of the track removing device 6, the inner portion thereof rises with the horizontal maintenance fitting 69 as a fulcrum, and FIG.
As shown in FIG. 8, each of the pull-out mechanisms 62a, 62b, 62
c and 62d correspond to the concave shape of the upper surface of the package 1, the end on the center side is pushed down, and the entire length of the cutting edge of each wire drawing metal fitting 60 is pressed against the concave upper surface of the package 1.

The line cutting device 4 pressed against the lower surface of the package 1 operates the hydraulic cylinders 41 to move the movable cutting blades 51 of the cutting mechanisms to cut the line 2. Next, the number line removing device 6 pressed against the lower surface of the package 1 operates the hydraulic cylinders 61 to move the moving extraction blades 71 of the respective extraction mechanisms to pinch the number line 2, and then moves up by the upper hydraulic cylinder 64. Then, the line 2 is pulled out, moved to the storage box 9 by the horizontal movement cylinder 14, dropped into the storage box 9, and returned to the conveyor 3. Subsequently, the line cutting device 4 is lowered, and the unpacked package 1 is transported by the transport conveyor 3 to the next step.

The storage box 9 is provided with a wire compression device 16 having a function of moving forward and backward in the direction of the storage box 9 and a function of moving up and down in the storage box 9. The line 2 that has fallen in is compressed and hardened.

In the above-described embodiment, the line cutting device 4 is arranged below and the line removing device 6 is arranged above.
The same effect can be obtained even when the line removing device 6 is arranged below and the line cutting device 4 is arranged above.

[0024]

As described above, the unpacking device according to the present invention is constructed such that the cutting mechanism of the wire cutting device and the drawing mechanism of the wire removing device, which are arranged in a cross shape in plan view, are vertically separated from each other. Even if the package to be unpacked is bent up and down, the entire length of the cutting edge of the two devices is in pressure and close contact with the curved surface, so that the number line that tightens the package is securely provided. It can be cut and removed, and automatic safe operation of the device can be achieved.

[Brief description of the drawings]

FIG. 1 is a front view schematically showing an unpacking device.

FIG. 2 is a plan view schematically showing a conveyor and a line cutting device.

FIG. 3 is a plan view showing an outline of a track removal device.

FIG. 4 is a plan view of a track cutting device.

FIG. 5 is a front view of a track cutting device.

FIG. 6 is an exploded front view of a track cutting bracket.

FIG. 7 is a front view of a track cutting metal fitting.

FIG. 8 is a cross-sectional view of a wire cutting bracket.

FIG. 9 is a bottom view of the track removal device.

FIG. 10 is a front view of a track removal device.

FIG. 11 is an exploded front view of a wire drawer.

FIG. 12 is a front view of a track drawer.

FIG. 13 is a cross-sectional view of a wire drawer.

FIG. 14 is an enlarged front view of a track drawer.

FIG. 15 is a front view showing a first mode when the track cutting device is cut;

FIG. 16 is a front view showing a first mode when the track removal device is pulled out.

FIG. 17 is a front view showing a second mode when the track cutting device is cut;

FIG. 18 is a front view showing a second mode when the track removal device is pulled out.

FIG. 19 is a perspective view of raw material packaging.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Packaging, 2 ... No. 3, 3 ... Conveyor, 31 ... Cross gap, 4 ... No. cutting device, 40 ... No. cutting metal fitting, 41 ...
Hydraulic cylinders, 42a, 42b, 42c, 42d: Pull-out mechanism, 43: Cross frame, 44: Lower hydraulic cylinder, 6
... Number line removing device, 60 number line lead-out fitting, 61 ... hydraulic cylinder, 62a, 62b, 62c, 62d ... extraction mechanism, 6
3 ... cross frame, 64 ... upper hydraulic cylinder,

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Masayuki Katsumata 49-2 Hisazawa, Fuji City, Shizuoka Prefecture Katsumata Welding Industry Co., Ltd. (72) Inventor Seiji Katsumata 49-2 Hisawa, Fuji City, Shizuoka Prefecture 2 Katsu Corporation Also in the welding factory (72) Inventor Fumiko Katsumata 49-2 Hisazawa, Fuji-shi, Shizuoka Prefecture Katsuta welding factory F-term (reference)

Claims (2)

[Claims] 1. An unpacking system comprising: a conveyor for packing packages tightened by a line; a line cutting device for cutting the line of the package on the conveyor; and a line removing device for extracting and cutting the cut line. In the apparatus, the transport conveyor includes:
It is constituted by four conveyors arranged so as to form a cruciform gap in a plan view, and the number cutting device comprises four sets of cutting mechanisms formed by a cutting blade and cutting blade driving means;
A set of cutting mechanisms arranged in a cross shape in a plan view and supporting each of them so that they can swing vertically, and raising the cross frame to raise the cutting blade from the cross gap. Lifting means which protrudes from the upper surface of the conveyor and presses against the lower surface of the package on the conveyor, the number line removing device comprises four sets of drawing mechanisms formed by a drawing blade and a drawing blade driving means, A cross-shaped frame for arranging four sets of each draw-out mechanism in a cross shape in a plan view and supporting each of them in a vertically swingable manner, and lowering the cross-shaped frame to pack a draw-out blade on a conveyor; And an elevating means for pressing against the upper surface of the unpacking device. 2. The unpacking device according to claim 1, wherein the number line cutting device is arranged above and the number line removing device is arranged below.