JPS6045129A - Case packing pressing raw material un-packing device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for unpacking compressed raw materials packed in a box having a flap.

For example, most leaf tobacco was packaged in single-piece packaging, but recently boxes made of cardboard or the like have been adopted for the purpose of reducing costs such as transportation costs and material costs. Each box of packaged leaf tobacco weighs about 200 kg, and it is not easy to unpack it manually.

The present invention focuses on the above-mentioned points, and is intended to quickly take out compressed boxed raw materials such as leaf tobacco from the box with a simple operation while preventing the raw materials from collapsing during unpacking.

FIG. 1 shows the form of a box in which compressed tobacco powder is packed. Box 1 is a rectangular parallelepiped with flaps 1a bent from all sides at the top and bottom, and is made of cardboard material. A compressed tobacco raw material 3 is packed in a box 1 with moisture-proof paper 2 present therein. Four flap fixing bands 4 are wound around the outer periphery of the box 1.

The device of the present invention includes a carry-in conveyor A, an unwrapping section B provided at the rear stage of the carry-in conveyor A, an unpacking conveyor C1 installed at the rear stage of the unpacking section B, a lifter D provided at the upper part of the unpacking section B, A hole member E provided on the pedestal of the lifter D
Consists of.

The outline of the unpacking process is shown in Figure 4, in which the box 1 filled with compressed tobacco raw material is placed on the unpacking section B with the flap surface facing downward, with the band for fixing the flap removed in advance. Alternatively, the compressed tobacco raw material box 1 without the flap fixing band removed is placed at a predetermined position on the unpacking part B with the flap surface facing downward, and then the band is cut by the cutting means (fourth Diagram a). Then, with the node removed or cut, the unpacking section B
The compressed tobacco raw material box 1 placed on top is held by a refuku D and gradually lifted upward. As the box 1 rises due to the lifting operation, the flap 1a gradually opens due to the weight of the compressed tobacco material 3 inside the box falling (FIG. 4b). In this state, the receiving member B1 provided in the unpacking part B rises and enters the box 1 through the opening of the flap 1a to support the central part of the lower surface of the raw material 3 and prevent the compressed tobacco raw material 3 from falling. (Figure 4C). In this state, the lifter D is raised on the one hand, and the receiving member B1 is lowered on the other hand (Fig. 4 d), and finally the compressed tobacco raw material 3 is separated from the box 1 and placed on the unpacking section B (Fig. 4 d). Figure 4 e). The empty box lifted by the lifter D is moved to the side of the unpacking section B by the lifter D and removed.

The dimensions of the compressed tobacco raw material box 1 are 770 inches on the flap surface.
In this case, the height is 720 parts, and the effective support area of the receiving member B1 that supports the central part of the lower surface of the compressed tobacco raw material 3 is at least 78 cnl, preferably 400 d.

In addition, the opening of the flap 1a is wide enough to accept the member B+, and the lifting height of the compressed tobacco raw material box 1 is approximately 0.3 m, and the flap 1a is completely opened and compressed. The lifting height of the box 1 at which the tobacco raw material 3 can fall out of the box is approximately 0.4 m.

After the moisture-proof paper 2 placed inside the compressed tobacco raw material box 1 is taken out onto the unpacking section B together with the compressed tobacco raw material 3,
It may be removed manually, or it may be removed together with the empty box 1 by passing the lifting claw of the lifter D through the box material.

The carry-in conveyor A and the carry-out conveyor C are composed of rotating rolls 6 arranged in parallel on a frame 5.

In the unpacking section B, there are support shafts 1 at the top and bottom of the front and rear sides of the pedestal 10.
1, and sprocket wheels 12 are provided on both sides of each support shaft 11, and therefore, two rows of endless annular chains 13 are provided on the left and right sides of the pedestal 10 via the sprocket wheels 12. A parallel rule J4 is provided on the left and right sides of the frame 10, and the chain 13 is placed on the rule J4. Support rods 16 are provided between the left and right pairs of endless annular chains 13 via arcuate connecting members 15, and a carriage roller 17 is rotatably provided with respect to the support rods 16. A second rail 18 is provided inside the second rail 18 on the left and right sides of the pedestal 10, and the second rail 18 supports the arc-shaped connecting member 15.

Reference numeral 19 denotes an electric motor, which transmits power to the support shaft 11 by a drive chain 20 via a sprocket.

In the row of the plurality of carriage rollers 17, a bushing member 21 is provided at the tip end in the transport direction so as to be able to rise and fall freely with respect to the support rod 16 via the support member 21a, and the bushing member 21 is provided on the support rod 16. It is configured to be biased by a tabular spring 22 so as to maintain the upright position at all times, and to lie down against the spring 22 in the transport direction of the carriage roller 17.

The pedestal 10 is provided with a bed 23 on which the raw material is placed close to the transfer surface by the rollers 17.

The bed 23 includes a groove-shaped opening 23a extending in the left-right direction intersecting the conveyance direction, a suction opening 23b having a large number of suction holes, and a suction opening 23C1 support for positioning the suction drum. An opening 23d is formed in which B1 is positioned.

Shafts 3 are provided on both left and right sides of the frame 10 that intersect with the transport direction.
A positioning arm 31 pivotally connected to the bed 23 by an air cylinder 32 is configured to be movable forward and backward relative to the upper part of the bed 23.

The positioning arm 31 includes a side contact portion 31a that abuts against the side of the compressed tobacco raw material box 1 sent onto the pedestal 10 for positioning, and a rear contact portion 31a that abuts against and positions the rear portion of the compressed tobacco raw material box 1. It has a contact portion 3]b.

The groove-shaped opening 23a in the bed portion 23 of the pedestal 10
Air cylinders 40 are provided at both ends of the lower part of the support member 41, and a support member 41 is provided to be movable up and down by the pair of air cylinders 40. The support member 41 has a slide lever 41a.
As a result, the knife stand 42 is provided movably in the same direction as the groove-shaped opening 23a. A knife mount 42 is attached to the support member 41.
A moving member 43 is provided. The moving member 42 is moved in the horizontal direction by a pneumatic mechanism.

A support shaft 42a is provided in the upper part of the knife mount 42 in a direction perpendicular to the direction of the groove of the groove-shaped opening 23a.
a knife support member 42c having one end pivotally supported by the knife support member 42c and the other end supported by the knife mount 42 by a spring 42b;
A disk-shaped knife 44 is rotatably provided with respect to the shaft 42d.

A disk-shaped guide plate 44a is coaxially provided on the side surface of the disk-shaped knife 44. Boo IJ 42 on the shaft 42d
e is provided, and receives power transmission from an electric motor 45 provided on the moving member 43 via a belt 46.

A pipe 51 and a control valve 5 are connected to a large number of suction holes 50 in the suction opening 23b of the bed 23.
A suction blower 53 is provided via 2. Bed 2 again
A moisture-proof paper suction drum 55 is attached to the opening 23C in the opening 23C by a hair ring 54 in a direction perpendicular to the conveying direction.
is rotatably supported and driven by an electric motor 56 via a chain 56' and a sprocket 55b provided on a support shaft 55a at one end thereof.

A large number of suction holes 55c are provided on the circumferential surface of the suction drum 55, and an inner cylinder 57 having an axial opening 57a in a portion facing the opening 23c is provided inside the suction drum 55.
7 is fixed at one end to a support shaft 57b. Support shaft 5
7b and the support shaft 55a are supported by a bearing portion 58, and the support shaft 57b has a hollow hole 57b1 formed therein and communicates with the pipe 51.

Il! on the pedestal 10! ! On both the left and right sides intersecting the feeding direction, the base end of an arm 61 is rotatably mounted on a shaft 62 with respect to a column 60, and a suction pad 63 is provided at the freely rotating end of the arm 61. It is constructed so that it can freely move forward and backward with respect to the top of the 7th and 23th. In addition to the arm 61, a balance weight 64 and a drive lever 65 are fixed to the shaft 62 in a fixed positional relationship, and an operating wire 67 is connected to the drive lever 65 via a pulley 68 between it and a piston 66a of an air cylinder 66. are connected. A support rod 69 is provided between the piston 66a and the support column 60.

The lifter D is provided in the upper part of the pedestal 70 so as to be movably suspended by a rail 71 extending laterally from the upper part of the pedestal 10 of the unpacking section B. That is, reference numeral 72 denotes a support member, and wheels 74 are rotatably provided by mutually opposing shaft supports 73 at the upper part of the support member, and the wheels 74 engage with both sides of the rail 71 . The wheels 74 are driven by an electric motor 82. A lifting member 76 is provided on a supporting member 73 via an electric hoist 75, and a holding plate 77 is suspended by the lifting member 7G.

A compressed tobacco raw material box 1 is mounted on both sides of the holding plate 77 by a shaft 78.
A holding arm 79 is pivotally mounted and driven by an air cylinder 80. The holding arm 79 has a claw 79a on the inside of the free end.
have. At the center of the holding plate 77, a claw 81 is attached to a shaft 81a of a motor 81 that rotates to a certain angle by air operation.
b is provided, and the claw 81b penetrates the box material and supports the box material. Although not shown, a pair of claws 81b are provided so as to be able to penetrate the box material by rotating in opposite directions, and between the pair of claws 81b is a moisture-proof paper removing harpoon shown in No. 21-1. 90 are installed.

In the above configuration, the compressed tobacco raw material box 1 and the flap surface 1
A is placed on the carry-in conveyor with the end facing downward and the hand wrapping direction perpendicular to the transport direction. At the end of the IM conveyor A, holes are made in the upper surface of the compressed tobacco raw material box 1 by a perforation member E, so that when the box 1 is lifted by a lid D described later, air can flow in from the upper flap part. This is because if it is not sufficient, the compressed tobacco raw material will be difficult to fall. The hole-opening member E consists of a dusting member provided so as to be movable up and down, and is driven by an appropriate driving means to break through the top surface of the box. Note that the holes may be punched manually in advance without providing a hole member. In the unpacking section B, which is ready to receive the compressed tobacco raw material box 1, the carriage roller 17 is positioned on the bed 23, and the positioning arm 31 is positioned on the bed 23.
is in an open state, and the disc-shaped knife 44 is in a state lowered below the pedestal 10 by the air cylinder 40.

The compressed tobacco raw material box 1 is moved onto the carriage roller 17 by the carry-in conveyor A, and then the positioning arm 31 is closed from the side by the air cylinder 32, and the side contact portion 31a and the rear contact portion 31b are moved onto the carriage roller 17. 17
The position of the upper compressed tobacco raw material box 1 is regulated. Then, the electric motor 19 is activated to move the carrier roller 17 in a direction opposite to the transport direction of the input conveyor A. Therefore, the compressed tobacco raw material box 1 on the carriage roller 17 is returned until it abuts on the rear contact portion 31b, and its position is regulated. The carriage roller 17 further moves below the pedestal 10, moves the compressed tobacco raw material box 1 onto the bed 23, and then stops. In this state, the compressed tobacco raw material box 1 is placed on the bed 23 so that its center is aligned with the receiving member B1.
positioned above.

Next, the support member 41 is raised by the air cylinder 40, and the disc-shaped knife 44 is inserted into the groove-shaped opening 2 of the bed 23.
Make it protrude into 3a. The disc-shaped knife 44 is powered by an electric motor 45.
The compressed tobacco is rotated by the moving member 43 of the knife stand before being raised, and then moved within the groove-shaped opening 23a from one end to the other end by the moving member 43 of the knife stand, and placed on the unpacking head 23. The band 4 wrapped around the bottom of the raw material box 1 is cut. At this time, the disk-shaped knife 44 is urged upward by the spring 42b around the shaft 42a, and can move up and down by about 2 cITl, so that even if the compressed tobacco raw material box is deformed, the band 4 can be moved upwardly by the spring 42b. There is no miscut, and there is a guide plate 1-44 on the side of the disc-shaped knife 44. A is provided, so it is possible to prevent the compressed tobacco raw material box 1 from being cut deeper than necessary and cutting the moisture-proof paper 2 placed inside.

After cutting, the disc-shaped knife 44 is moved below the pedestal 10 by the air cylinder 40, and the positioning arm 31 is opened.

Next, the support member 7 is placed above the unwrapping part B in advance.
2, the lifting member 76 of the lid D is extended by scissors, and the holding plate 77 is lowered until it comes into contact with the upper surface of the compressed tobacco raw material box 1, and then, by the operation of the air cylinder 80, Close the holding arm 79, which had been open, and bite the claw 79a into the side of the compressed tobacco raw material box 1, and simultaneously move the motor 8.
The claw 81b attached to the shaft 81a of 1 is rotated to penetrate the box material and is held on the compressed tobacco raw material box 1 and the top moisture-proof paper 2 inside the box by the top moisture-proof paper 2.

Next, the holding plate 77 is gradually raised by the lifting member 76. As it rises, the flap 1a of the compressed tobacco raw material box 1 is gradually opened by the weight of the compressed tobacco raw material 3.

At this stage, the air cylinder 66 is operated to attract the suction pad 63 of the arm 61 to the flap 1a,
Then, the arm 61 is operated in the opposite direction to forcibly open the flap 1a.

When the compressed tobacco raw material box 1 is raised to a fixed position, the member B1 of the raw material receiver is raised by the air cylinder 24, passes through the opening of the flap 1a, and is raised until it comes into contact with the lower surface of the compressed tobacco raw material 3. The operating air in the cylinder 24 is stopped, and the electromagnetic valve (not shown) is at a neutral position where it is open to the outside air.

When the compressed tobacco raw material box 1 is further raised, the back pressure inside the air cylinder 24 is gradually released from the neutral position of the solenoid valve due to the weight of the compressed tobacco raw material 3. Then, the material receiver gradually lowers from member B1. In this way, the moisture-proof paper 2 and the compressed tobacco raw material 3 on the lower surface are placed on the bed 23.

The lifter D is moved to the side of the unpacking section B along the rails 71 by wheels 74 driven by an electric motor 82, and after removing the lifted empty boxes, it returns to the top of the unpacking section B and waits.

When the lowering of the member B1 is completed and the lower moisture-proof paper 2 and the compressed tobacco raw material 3 are placed on the bed 23, the raw material receiver opens the suction hole of the suction opening 23b by the operation of a solenoid valve (not shown). 50 and the suction hole 55c of the suction drum 55. The moisture-proof paper 2 on the lower surface is fixed on the bed 23.

Next, the carriage roller 17 is advanced by the electric motor 19, and the compressed tobacco raw material 3 is sent onto the single delivery conveyor C by the button member 21 in the upright state at the tip. Note that a brush may be provided at the lower part of the bushing member 21 so as to come into contact with the head 23 to clean the tobacco material on the belly button F' 23.

Next, the solenoid valve stops the suction of only the suction opening 23b, the electric motor 56 rotates the suction drum 55, and the suction drum 55 pulls the moisture-proof paper 2 into the opening 2.
Remove from 3C.

Since the present invention is constructed as described above, compressed boxed raw materials such as leaf tobacco can be easily taken out of the box while preventing the raw materials from collapsing. Since the perforations are made by the perforation member on the packaging part, it has the advantage that the compressed raw material can be smoothly ejected when the box is lifted.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a box packed with pressed raw materials, Figure 2 is a sectional view of a box packed with pressed raw materials, Figure 3 is an external view of the same as above, Figure 4 (a) (bl (C) +d+ +111 is An explanatory diagram showing the method of the present invention, FIG. 5 is a side view showing the entire apparatus of the present invention, FIG. 6 is a plan view of the same as above, FIG. 7 is a side view of the 1W wrapping section, and FIG. 8 is an unwrapping section. 9 is a plan view of the unpacking section, FIG. 10 is a cross-sectional view of the main part showing the gear ridge roller support mechanism, FIG. 11 is a front view of the bushing member, and FIG. 12 is the main part of the same. FIG. 13 is a side view of the same as above, FIG. 14 is a front view of the band cutting device, FIG. 15 is a detailed view of the supporting mechanism of the disk-shaped knife in the same as above, and FIG. 16 is a side view of the same as above. 17 is an axial sectional view of the suction drum, FIG. 18 is a sectional view of the bed equipped with the suction drum, FIG. 19 is a side view of the lifter, and FIG. 20 is a front view of the lifter. Fig. 21 is an explanatory diagram of the moisture-proof paper removing harpoon, Fig. 22 is a front view of the flap release mechanism, and Fig. 23 is a diagram of the same operating state. A: Loading conveyor, B:・Unpacking department,
B1... Raw material receiver is a member, D... Lifter, E... Hole member, ■... Box, 23
······bed. Patent Applicant Japan Monopoly Public Corporation Japan Monopoly Public Corporation Designated Agent by the Director of Research and Development Michio Nakayama Figure 4'> (IQ- Figure 16 Figure 19 Figure 20

Claims (1)

[Claims] A box filled with compressed raw materials is placed on a table with the flap facing down, and when the box is lifted upward and the flap is not completely opened, the raw material receiver raises the member. At the same time, the raw material is moved into the box between the flaps to support the lower surface of the raw material, and then the box is further raised and the raw material receiver is lowered to place the compressed raw material on the table. An unwrapping device for compressed raw materials consists of an unpacking section connected to a conveyor and a lifter that can be raised and lowered on the unpacking section. 1. An unwrapping device for boxed compressed raw materials, characterized in that a box holding arm is provided, and a box opening member is provided above the unwrapping section.