JPH0930512A - Method and apparatus for packaging - Google Patents

Abstract

PROBLEM TO BE SOLVED: To deaerate air in a bag sufficiently and speedily by raising the bottom of the bag and holding the bag between members to press it with both the members prior to deaeration work with aid of a suction nozzle. SOLUTION: In the case where a bag B filled with a maternal M to be packaged, which is a mixture of a solid m1 with a liquid m2, is moved to a deaeration position, the bag B is so arranged as not to be brought into contact with a vertically movable setting member T1. Then, the vatically movable setting member T1 is moved upward to raise the bottom b2 of the bag B, and air in a space b3 above a liquid level m2' in the bag B is expelled through a bag mouth b1. Then, deaeration work to be carried out with the aid of a suction nozzle v2 inserted into the bag mouth b1 of the bag B is started, and by making two members s1, s2 of a holding member S close to each other and pressing the bag B from its both sides, the liquid level m2' is further allowed to approach the bag mouth b1 to discharge air remaining in the space b3 at the upper part of the bag 3 through the bag mouth b1. As a result, deaeration of residual air in the bag B can be sufficiently and speedily performed by the suction nozzle v2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging method and apparatus for filling a bag with an object to be packaged such as solid, liquid or a mixture of solid and liquid.

[0002]

2. Description of the Related Art Conventionally, an empty bag whose upper and lower sides of a bag mouth are held in a suspended state by a holding member is filled with an object to be packaged such as a solid, a liquid or a mixture of a solid and a liquid, and
A method of wrapping an object to be packaged, in which a suction nozzle is inserted into the bag mouth to deaerate air remaining in the bag, and then, after the bag mouth is sealed, gripping of the bag by the gripping member is released. The device is known.

[0003]

When the bag filled with the object to be packaged which is held in a suspended state by the holding member in the vicinity of both sides of the upper end portion of the bag mouth described above, the object to be packaged is When the bag is relatively light, the side wall of the bag is not strongly pulled downward due to the weight of the object to be packaged, so that the side wall of the bag can be easily moved. When the pressure becomes negative, the side walls of the bag adhere to each other or the side walls of the bag adhere to the object to be packaged, and air can be sufficiently degassed from the bag. When a heavy object to be packed such as a mixture is filled, the side wall of the bag is strongly pulled downward due to the weight of the object to be packed, so that the bag is negatively pressured due to deaeration. Also, the side walls of the bag cannot adhere to each other, or the side wall of the bag is not sufficiently packaged. To not be adhered to, it is impossible to perform sufficient deaeration, there is a problem that air remains in the bag.

Further, after the deaeration process, if the bag filled with heavy objects to be packaged is transferred to the bag mouth sealing process or the like in the suspended state, the bag may be damaged during the transfer or the bag mouth may be damaged. If the clamping force of the seal bar is not strengthened considerably in the sealing process of, the side walls of the bag near the bag mouth will not be sufficiently adhered to each other, and thus the sealing of the bag mouth by the seal bar will be incomplete. There is a problem.

An object of the present invention is to solve the problems of the conventional packaging method and apparatus described above, and to perform deaeration work,
Smoothly grasping and releasing the bag from the grasping member, and
It is an object of the present invention to provide a packaging method and device that can be reliably performed.

[0006]

In order to achieve the above-mentioned object, the present invention firstly lifts the bottom portion of a bag filled with an object to be packaged in a suspended state in which the vicinity of the bag mouth is held,
Next, by sandwiching and pressing the bag, the air in the bag is expelled, and then the deaeration work is performed by the suction nozzle. Secondly, in the suspended state in which the vicinity of the bag mouth is gripped. By raising the bottom of the bag by raising the upper and lower placement members arranged below the bag filled with the object to be packaged, then, by sandwiching and pressing the bag,
After expelling the air in the bag, deaeration work with a suction nozzle was performed, and then the bag mouth was sealed with the bag placed on the main body mounting member, and then the bag mouth was sealed. The bag is placed on the inclined placing member, and then the inclined placing member is inclined and the grip of the bag is released, so that the bag is dropped along the inclined placing member, Thirdly, in the packaging device, an up-and-down placing member for lifting the bottom of the bag filled with an object to be packaged suspended in the vicinity of the bag mouth and the bag having the bottom lifted from both sides. And a holding member for pressing and a suction nozzle inserted into the bag mouth. Fourth, the bottom of the bag filled with the suspended packaged object in which the vicinity of the bag mouth is gripped. The top and bottom mounting members for lifting the A sandwiching member for sandwiching and pressing the bag from both sides, a suction nozzle to be inserted into the bag mouth, and the upper part of the bag which is arranged at the bag mouth sealing position of the bag and in which the bottom part of the bag is lifted. A main body mounting member having the same height as the lower mounting member, and an inclined mounting member arranged at the grip release position of the bag. Fifth, the main body mounting member, the vertical mounting member, and A bag mounting device having an inclined mounting member, and the upper and lower mounting members in a raised position and the inclined mounting member in a horizontal position together form the same plane as the main body mounting member. The upper and lower mounting members are supported by the main body mounting member via a connecting member, and the inclined mounting member is supported by the main body mounting member via a connecting member. And sixthly, the above-mentioned upper and lower mounting members and the inclined mounting member are connected. The main body mounting member is movable in the vertical direction. Seventhly, the main body mounting member has a guide plate that is rotatable from a vertical position to an inclined position in accordance with the tilting motion of the tilting mounting member. It is a thing.

1 is a schematic process drawing of the deaerating process of the packaging method of the present invention, FIG. 2 is a schematic front view of the packaging device of the present invention, and a perspective view of a holding member of the packaging device of the present invention. FIG. 3 is a plan view including a cutout portion of a holding member of the packaging apparatus of the present invention, FIG. 4, FIG. 5 is a front view of a connecting mechanism of a bag placing apparatus in the packaging apparatus of the present invention, and FIG. The packaging method and device of the present invention will be described with reference to FIG. 6 which is a perspective view of the connecting mechanism of the bag placing device in the packaging device and FIG. 7 which is a side view of the bag placing device in the packaging device of the present invention. However, the present invention is not limited to this example as long as the gist of the present invention is not exceeded.

[0008]

EXAMPLES First, the deaeration step in the packaging method of the present invention will be described with reference to FIGS. 1 and 2. In addition,
For convenience, in the present embodiment, the packaging method and apparatus of the present invention will be described using a bag filled with a mixture of solid and liquid.

The e1 and e2 are bags B filled with an article M to be packaged, which is a mixture of solid m1 and liquid m2 (hereinafter, the bag B filled with the articles M to be packaged is also simply referred to as "bag B"). .) Is a known gripping member that grips the vicinity of both sides of the upper end of the bag mouth b1. S is a bag B held by the gripping members e1 and e2. It is a sandwiching member for sandwiching and pressing.

T is the degassing position (the right side position in FIG. 2), the attachment position of the bag mouth b1 (the central position in FIG. 2).
Further, the bag placing device T is a bag placing device on which the bottom part b2 of the bag B is placed at the falling position of the bag B (position on the left side in FIG. 2), and the bag placing device T arranged at the degassing position is arranged in the vertical direction The bag placing device T, which is configured as a vertically placing member T1 which is movable to the inside of the bag mouth b1, and which is arranged at the sealing position of the bag mouth b1, does not move up and down in the operating state of the packaging device. T
2, and the bag placing device T disposed at the dropping position of the bag B is configured as an inclined placing member T3 that can be inclined about one end. The upper / lower mounting member T1 and the main body mounting member T2 are connected by a connecting member C1, and the main body mounting member T2 and the inclined mounting member T3 are connected by a connecting member C2. The bag placing device T is configured as a kind of roller conveyor in which an appropriate number of rollers t2 are arranged on a frame t1 having a substantially concave side surface.

The bag B, which is held in a suspended state by the holding members e1 and e2, is in the deaeration position (the position on the right side in FIG. 2).
In the above, by moving the upper / lower mounting member T1 upward, the upper / lower mounting member T1 is placed on the upper / lower mounting member T1 and is deaerated by the suction nozzle v2 attached to the tip of the suction pipe v1 inserted into the bag mouth b1. To be done. Then, after the deaeration step is completed, the gripping members e1 and e2 are intermittently rotated to move the bag B from the upper / lower mounting member T1 to the sealing position of the bag mouth b1 on the main body mounting member T2 (center in FIG. 2). Position), and at that position, the bag mouth b1 is opened by a pair of known seal bars h1.
Heat seal. After the bag mouth b1 is completely sealed,
By intermittently rotating the gripping members e1 and e2, the bag B is moved from the main body mounting member T2 to the falling position (the left side position in FIG. 2) of the bag B on the inclined mounting member T3 in the horizontal state. , If necessary, after cooling the sealed portion by the pair of cooling bars w1, the gripping members e1 and e2 release the grips near both upper ends of the bag mouth b1, and the inclined mounting is performed. The bag B is dropped along the member T3, and the packaged object M
The bag B filled with is stored in a box (not shown) located below, or placed on a belt conveyor located below and conveyed to a predetermined place.

In the step before the deaeration step, the gripping member e
The empty bag B, which is held in a suspended state by 1 and e2,
The object to be packaged M, which is a mixture of the solid m1 and the liquid m2, is filled, and then the grasping members e1 and e2 are intermittently rotated to be suspended in a suspended state, as shown in FIG. The bag B filled with the object M is moved to the degassing position (the position on the right side in FIG. 2). In this state, the vertical mounting member T1 is not in contact with the bottom portion b2 of the bag B, stands by below the bottom portion b2 of the bag B, and the sandwiching member S is provided.
The two sandwiching plates s1 and s2 are separated from the bag B.

Then, as shown in FIG. 1B, the upper and lower mounting member T1 is moved upward by a predetermined amount,
The bag B is placed on the upper and lower placement member T1. In this way, by moving the vertical mounting member T1 upward and lifting the bottom b2 of the bag B, the liquid level m2 ′ of the liquid m2 is brought close to the bag mouth b1 and the bag B above the liquid level m2 ′ is brought about. The air in the inner space b3 is expelled from the bag mouth b1, and the tension of the side wall of the bag B suspended in the air is removed by the gripping members e1 and e2 due to the weight of the object to be packaged M so that the gripping members e1 and e2 and A margin is formed in the tension of the side wall of the bag B between the lower mounting member T1 and the lower mounting member T1. Even in this state, the two holding plates s1 and s2 of the holding member S are still separated from the bag B.

Then, as shown in FIG. 1 (c), after the degassing work by the suction nozzle v2 inserted into the bag mouth b1 of the bag B is started or before the degassing work, the holding member S is held. The two sandwiching plates s1 and s2 are brought close to each other to sandwich the bag B and press the side surfaces of the bag B from both sides. In this manner, the bag B is held and pressed by the holding plates s1 and s2 to bring the liquid surface m2 ′ further closer to the bag mouth b1 and the space b3 in the bag B above the liquid surface m2 ′. More air is discharged from the bag mouth b1, and by the suction work of the suction nozzle v2, all the air remaining in the space b3 in the bag B above the liquid level m2 ′ is expelled, and the air in the bag B is removed. Degas. After the degassing process is complete,
The suction nozzle v2 is pulled out from the bag mouth b1, and then the gripping members e1 and e2 are intermittently rotated as described above,
The bag B is moved to the sealing position of the bag mouth b1 (the central position in FIG. 2).

Next, the connecting member C1 for connecting the upper / lower mounting member T1 to the main body mounting member T2 will be described with reference to FIGS.

The vertical frames c1 and c2 are attached to the lower part of the frame t1 of the upper and lower mounting members T1 near the main body mounting member T2 at a predetermined interval (the left vertical frame c1 in FIG. , "Vertical frame c1 toward the end", the vertical frame c2 on the right side is referred to as "vertical frame c2 toward the center"), and c3 and c4 are on the frame t1 of the main body mounting member T2. A vertical frame attached at a predetermined interval below the lower mounting member T1 (in FIG. 5, the left vertical frame c3 is referred to as a “center vertical frame c3”, and the right vertical frame c4 is It is referred to as "vertical frame c4 near the edge").
It is formed to be longer than the vertical frame c1 near the end and the vertical frame c2 near the center of the upper and lower placement member T1 depending on the frame t1.

The lower end of a vertical frame c1 which is near the end of the upper and lower mounting members T1 depending on the frame t1, and the main body mounting member T2.
A slightly curved link c5 is pivoted between the frame t1 and the substantially central part of the vertical frame c3 near the center, and the frame t1 of the vertical mounting member T1.
Lower end of the vertical frame c2 closer to the center and the vertical frame c closer to the end of the main body mounting member T2 than the frame t1.
A link c6, which is slightly curved upward, is pivotally connected to the substantial center of 4.

C7 is a frame t1 of the main body mounting member T2
It is a cylinder in which a substantially vertical end thereof is pivotally attached to the lower end of a vertical frame c3 closer to the center that is hung on the cylinder c7.
At the tip of the piston rod c8 of
The ends of 9 and c10 are pivotally attached. Piston rod c
The tip of one of the links c9 pivotally attached to the tip of 8 is
The main body mounting member T2 is pivotally attached to the lower end of a vertical frame c4 that is near the end of the body mounting member T2 and is also pivotally attached to the tip of a piston rod c8.
The leading end portion of 0 is the lower end portion of the vertical frame c2 closer to the center depending on the frame t1 of the vertical mounting member T1 and the main body mounting member T.
The second frame t1 is pivotally attached to a suitable intermediate position of a link c6 which is pivotally attached to the end of the vertical frame c4 which is located near the center of the vertical frame c4.

As shown in FIG. 5 (a), when the piston rod c8 is housed in the cylinder c7, the two links c9 pivotally attached to the tip of the piston rod c8 described above. , C10 are bent in a dogleg shape, the link c6 pivotally attached to the substantially central portion of the vertical frame c4 hanging from the frame t1 of the main body mounting member T2 and the main body mounting member T2. The link c5 pivotally attached to the substantially central portion of the vertical frame c3 closer to the center depending on the frame t1 of the above-mentioned device is rotated in the clockwise direction about its pivot points c6 ′ and c5 ′, respectively, and is in a low position. And therefore,
The upper and lower placement members T1 are located below the main body placement member T2.

In the state in which the above-mentioned upper and lower mounting member T1 is located at the standby position below the main body mounting member T2, FIG.
As shown in (a), by intermittently rotating the gripping members e1 and e2, the bag B filled with the article to be packaged M gripped by the gripping members e1 and e2 remains in the suspended state. It will be moved to the degassing position above the upper and lower mounting member T1. In this state, the vertical mounting member T1 is arranged so that the bottom part b2 of the bag B, which moves due to the intermittent rotation of the gripping members e1 and e2, does not collide with the vertical mounting member T1.
As shown in (a) and FIG. 5 (a), it stands by below the bottom b2 of the bag B so as not to contact the bottom b2 of the bag B.

Next, when the cylinder c7 is operated and the piston rod c8 is advanced, the piston rod c8
As shown in FIG. 5 (b), the two doglegged links c9 and c10 that are pivotally attached to the tip end of the are substantially straight, so A link c6 pivotally attached to a substantially central portion of a vertical frame c4 of the placing member T2 hanging from the frame t1 and a central vertical frame c3 of the main body placing member T2 hanging to the frame t1. Each of the pivotally attached links c5 has its pivot point c.
6'and c5 'are rotated counterclockwise, and a link c5 is provided via a vertical frame c1 near the end and a vertical frame c2 near the center.
The upper / lower mounting member T1 pivotally attached to c6 is raised to the height of the main body mounting member T2. As shown in FIG. 1 (b) described above, when the vertical mounting member T1 is raised to the height of the main body mounting member T2, as described above, the bottom portion b2 of the bag B moves to the vertical mounting member T1. And the liquid surface m2 ′ of the liquid m2 approaches the bag mouth b1, the air in the space b3 in the bag B is expelled from the bag mouth b1, and the air is suspended by the gripping members e1 and e2. Bag B
By removing the tension on the side wall of the bag B, a margin is formed on the tension on the side wall of the bag B between the gripping members e1 and e2 and the upper and lower placement member T1. When only the solid m1 is contained in the bag B, the bottom portion b2 of the bag B is lifted to expel a part of the air existing over almost the entire area of the bag B from the bag mouth b1. become.

Next, with reference to FIGS. 3 and 4, the sandwiching member S for bringing the two sandwiching plates s1 and s2 close to each other to sandwich the bag B from both sides and to press it will be described.

3 and 4, two holding plates s1 located on the right side (hereinafter, simply referred to as "front holding plates s1") are vertically separated by a predetermined distance. The horizontal rods s3 and s4 are attached. The horizontal rod s3 located above is inserted into the vertical slot s5 'of the block s5, and the screw hole s5 "is formed in the block s5 so as to cross the vertical slot s5'.
The horizontal rod s3 of the front holding plate s1 is attached to the block s5 by screwing a threaded rod s6 with a handle to narrow the gap between the vertical slots s5 '. Loosen the screw rod s6 with a handle to insert the vertical slot s5 '.
The position of the horizontal rods s3 and s4 with respect to the block s5 can be appropriately adjusted by expanding the gap of the block.

3 and 4, s7 is a slide frame which is located on the right side and has a substantially C-shaped plane shape (hereinafter, simply referred to as "front slide frame s7"), and is a front slide. A vertical long groove s7 'into which the above-mentioned horizontal rods s3 and s4 can be inserted is bored at substantially the center of the vertical wall of the frame s7. After inserting the horizontal rod s3 to which the block s5 is attached and the horizontal rod s4 located below the horizontal rod s3 into the vertical long groove s7 ′, the vertical slot s3 is inserted.
A screw rod s8 having a flange s8 ″ having a diameter larger than the groove widths of the handle s8 ′ and the vertical long groove s7 ′ is screwed into the screw hole of the block s5 formed below the 5 ′ along the axis of the horizontal rod s3. By doing so, the front slide frame s7
The front sandwiching plate s1 that is sandwiched between the block s5 and the flange s8 ″ of the screw rod s8 and attached to the tips of the horizontal rods s3 and s4 can be attached to the front slide frame s7. ing.

In FIGS. 3 and 4, on the back surface of the sandwiching plate s2 located on the left side (hereinafter referred to as "rear sandwiching plate s2"), similarly, two vertical strips are provided at a predetermined interval. The horizontal rods s9 and s10 are attached. And
The horizontal rod s9 located above is inserted into the vertical slot s11 ′ of the block s11,
A screw rod s12 with a handle similar to the above-described screw rod s6 with a handle is screwed into a screw hole formed in the block s11 so as to traverse 11 ', and a vertical slot s is formed.
By narrowing the gap of 11 ', in block s11,
The horizontal rod s9 of the rear holding plate s2 is attached.
Loosen the threaded rod s12 with a handle to remove the vertical slot s.
By expanding the gap 11 ', the positions of the horizontal rods s9 and s10 with respect to the block s11 can be appropriately adjusted.

S13 is the above-mentioned front slide frame s7
Is a slide frame (hereinafter, referred to as "rear slide frame s13") located on the left side similar to the above, and the above-described horizontal rods s9 and s10 are inserted through substantially the central portion of the vertical wall of the rear slide frame s13. Possible vertical slots s13 'are drilled. After inserting the horizontal rod s9 to which the block s11 is attached and the horizontal rod s10 located below the horizontal rod s9 into the vertical long groove s13 ', the vertical slot s1 is inserted.
A screw rod s14 having a flange s14 ″ having a diameter larger than the groove widths of the handle s14 ′ and the vertical long groove s13 ′ is screwed into the screw hole of the block s11 formed below the 1 ′ along the axis of the horizontal rod s9. By doing so, the rear slide frame s13 is sandwiched between the block s11 and the flange s14 ″ of the screw rod s14, and the rear sandwich plate s2 attached to the tips of the horizontal rods s9 and s10 is connected to the rear slide frame s1.
3 is configured so that it can be attached.

Reference numeral s15 denotes a horizontal rod supported by bearings s17 and s18 attached to the machine base s16 of the sandwiching member S at a predetermined interval, and the horizontal rod s15 is provided at the end of the horizontal rod s15. A tip end portion of a piston rod s20 of a cylinder s19 arranged along the axial direction is pivotally attached. Further, s21 is a horizontal rod supported in parallel with the horizontal rod s15 by bearings s22, s23 attached to the machine base s16 of the sandwiching member S at a predetermined interval.

A roller-equipped pin s15 'is attached to the upper surface of the center of the horizontal rod s15, and a roller-equipped pin s21' is attached to the upper surface of the center of the horizontal rod s21. It is worn. Also, the horizontal rod s15 has a roller pin s15 'and the horizontal rod s15.
A vertical pin s24 is erected on the machine base s16 of the sandwiching member S located approximately in the middle of the roller-equipped pin s21 'of the reference numeral 21. The vertical pin s24 has bifurcated parts s at both ends.
A bifurcated rod s25 having 25 'is pivotally attached. The forked portion s25 ′ of the forked rod s25 is fitted with the roller-equipped pin s15 ′ of the horizontal rod s15 and the roller-equipped pin s21 ′ of the horizontal rod s21, respectively.

S26 is a block attached to the bottom of the rear slide frame s13. A horizontal rod s15 pivotally attached to the tip of the piston rod s20 is fitted into a horizontal hole formed in the block s26. A block s26 is attached to the horizontal rod s15 by a set screw s27 or the like. s28 is a block attached to the bottom of the front slide frame s7, and a horizontal rod s15 is inserted through a horizontal hole formed in the block s28 with a predetermined gap. Therefore, when the cylinder s19 is operated to move the piston rod s20 forward and backward, the horizontal rod s15 moves in the horizontal direction in FIG. 4, and the block s26 attached to the horizontal rod s15 by the set screw s27 is attached to the bottom. The attached rear slide frame s13 follows the horizontal rod s15 and moves in the left-right direction in FIG. 4, but the horizontal rod s15 has a block s28 inserted at a predetermined gap at the bottom. The attached front slide frame s7 is a horizontal rod s.
Even if 15 moves in the left-right direction, it does not move.

S29 is a block attached to the bottom of the front slide frame s7, and the horizontal hole formed in the block s29 is parallel to the horizontal rod s15 pivotally attached to the tip of the piston rod s20. Horizontal rods placed at
21 is inserted, and a block s29 is attached to the horizontal rod s21 by a set screw s30 or the like.
s31 is a block attached to the bottom of the rear slide frame s13, and a horizontal rod s21 is inserted through a horizontal hole formed in the block s31 with a predetermined gap. Therefore, the front slide frame s7 in which the block s29 attached to the horizontal rod s21 is attached to the bottom part
Moves in the left-right direction following the movement of the horizontal rod s21 in the left-right direction in FIG.
However, the block s31 is inserted with a predetermined gap.
The rear slide frame s13 attached to the bottom does not move even if the horizontal rod s21 moves in the left-right direction.

A bag B filled with an object M to be packaged, which is arranged between the front sandwiching plate s1 and the rear sandwiching plate s2, is shown in FIG.
As shown in (b) and FIG. 4 (a), the cylinder s19 is actuated from the state where the front holding plate s1 and the rear holding plate s2 are not in contact with each other to operate the piston rod s.
When 20 is advanced, the horizontal rod s15 pivotally attached to the tip of the piston rod s20 moves to the right,
Therefore, the block s26 attached to the horizontal rod s15
The rear slide frame s13 attached to the bottom also moves to the right. On the other hand, the front slide frame s7 to which the block s28, in which the horizontal rod s15 is inserted with a predetermined gap, is attached to the bottom, does not move even if the horizontal rod s15 moves to the right.

By moving the horizontal rod s15 to the right, the roller-equipped pin s15 'of the horizontal rod s15 becomes
Forked rod s2 inserted into one forked portion s25 '
5 rotates clockwise around the vertical pin s24 in FIG. 4, and therefore, the pin with roller s21 '
However, the horizontal rod s21 inserted in the other forked portion s25 'moves to the left in FIG. When the horizontal rod s21 moves to the left, the front slide frame s7 having the block s29 attached to the horizontal rod s21 attached to the bottom moves to the horizontal rod s21.
Of the horizontal slide s21, the horizontal rod s21 has a block s31 inserted at a predetermined gap and the block s31 is attached to the bottom of the rear slide frame s13. Even if the rod s21 moves to the left, it does not move.

As described above, when the cylinder s19 is operated and the piston rod s20 is advanced, the block s26 is moved along with the movement of the horizontal rod s15 to the right.
The rear slide frame s13 attached to the horizontal rod s15 moves rightward via the. Also, horizontal rods
By moving 15 to the right, the forked rod s25 rotates clockwise around the vertical pin s24, so that the roller-equipped pin s21 'moves toward the other forked part s.
The horizontal rod s21 attached to 25 'moves to the left in FIG. 4, and the front slide frame s7 attached to the horizontal rod s21 via the block s29 also moves to the left. To do.

As described above, the rear slide frame s13
Moves to the right and the front slide frame s7 moves to the left, so as shown in FIG.
Rear sandwiching plate s2 arranged on rear slide frame s13
And the front holding plate s1 arranged on the front slide frame s7
The distance between the front and rear clamping plates s1 and s
The bag B filled with the article to be packed M arranged between the
As shown in FIG. 1 (c), since it is sandwiched and pressed by the front sandwiching plate s1 and the rear sandwiching plate s2, the liquid surface m2 ′ further approaches the bag mouth b1, More air in the space b3 in the bag B above the liquid surface m2 'is discharged from the bag mouth b1. As a matter of course, when only the solid m1 is contained in the bag B,
When the bag B is sandwiched and pressed by the front sandwiching plate s1 and the rear sandwiching plate s2, a part of the air existing over almost the entire region of the bag B is discharged from the bag mouth b1. become.

Next, the connecting member C2 for connecting the inclined mounting member T3 to the main body mounting member T2 will be described with reference to FIGS. 6 and 7.

The frames c11 and c12 are attached to the lower portion of the frame t1 of the main body mounting member T2 near the inclined mounting member T3 with a predetermined interval, and are attached along the width direction of the main body mounting member T2. Is. At the rear end portions of the frames c11, c12 extending from the back of the main body mounting member T2, the main body mounting member T2
And the connecting frame c13 along the longitudinal direction of the inclined mounting member T3.
Is attached to the portion of the connecting frame c13 that extends in the direction of the inclined mounting member T3 beyond the gap c14 between the main body mounting member T2 and the inclined mounting member T3, with a predetermined interval, Substantially vertical support frames c15 and c16 are attached. Further, frames c17 and c18 are attached to the lower part of the frame t1 of the tilted mounting member T3 near the main body mounting member T2 at predetermined intervals along the width direction of the tilted mounting member T3. , Through holes formed in the frames c11, c12 attached to the main body mounting member T2, and the frames c17, c1 of the inclined mounting member T3.
A horizontal shaft c19 is inserted into the through hole formed in the hole 8.

Horizontal pins c20 are attached to the projecting portions c17 'and c18' extending above the frames c17 and c18 of the inclined mounting member T3, and the horizontal pins c20 are provided with links c21 and c22. It is pivotally attached. Also, link c2
A horizontal pin c23 is attached to the tip end of each of the c1 and c22, and the lower end of a vertically long tilting frame c24 having a substantially U-shaped plane is pivotally attached to the horizontal pin c23. Also,
The upper end of the tilting frame c24 has a substantially vertical support frame c described above.
It is pivotally attached to a horizontal pin c25 attached to the upper end portions of 15, 15 and 16.

C26 is the substantially vertical support frame c1 described above.
5, long grooves c15 ', c drilled near the lower end of c16
16 'is a cylinder having the horizontal pin c26' inserted therein, and the cylinder c27 'attached to the tip of the piston rod c27 of the cylinder c26 has a tilt mounting member T3.
Protrusions c17 ′ extending above the frames c17, c18 of
The horizontal pin c20 attached to c18 'is inserted. c28 is a fixed frame c2 attached to the tilting frame c24.
It is a guide plate attached to 4 '.

In the connecting member C2 having the above-mentioned structure, the piston rod c27 of the cylinder c26 is the same as that shown in FIG.
And as shown in FIG. 7A, in the retracted state, the frames c17, c18 of the inclined mounting member T3 are maintained in a substantially horizontal state, and therefore, the inclined mounting member T3.
Like the main body mounting member T2, is at the same height as the main body mounting member T2 and is maintained in a horizontal state. Also, the tilting frame c
The guide plate c28 attached to the frame 24 via the fixed frame c24 'is maintained substantially vertically.

When the cylinder c26 is operated and the piston rod c27 is advanced from the above state, the horizontal pin c20 inserted into the cylinder c27 'attached to the tip end of the piston rod c27 is attached. Frames c17, c1
8 rotates in the clockwise direction in FIG. 7 about the horizontal axis c19, so that the tilted mounting member T3 changes from the horizontal state shown in FIG. 7 (a) to that in FIG. 7 (b). Rotate to the tilted position shown. Further, when the frames c17 and c18 are rotated clockwise in FIG. 7 about the horizontal axis c19, the frames c17 and c18 are linked via the links c21 and c22.
The tilting frame c24 connected to the
The horizontal pin c25 attached to the upper ends of the reference numerals 15 and c16 is rotated counterclockwise in FIG. 7, and thus the guide is attached to the tilting frame c24 via the fixed frame c24 '. The plate c28 rotates from the vertical position shown in FIG. 7 (a) to the tilted position shown in FIG. 7 (b).

As described above, by operating the cylinder c26 and advancing the piston rod c27,
The inclined mounting member T3 is rotated from the horizontal position shown in FIG. 7 (a) to the inclined position shown in FIG. 7 (b) by the gripping members e1 and e2 of the bag B. When the grip is released, the bag B falls along the slanted mounting member T3 and is stored in a box located below or placed on a belt conveyor located below. In addition, with the inclination of the inclined mounting member T3, the guide plate c
28 from the vertical position shown in FIG.
Since it rotates to the inclined position shown in (b), the bag B
When the upper part of the bag falls along the tilted mounting member T3, the bag B is guided by the tilted guide plate c28, so that the bag B smoothly drops while the bottom part b2 is placed downward. Become.

Next, referring to FIG. 2, the main body mounting member T2 is connected via the connecting member C1 to the main body mounting member T2, the vertical mounting member T1, the main body mounting member T2, and the connecting member C2. An up-and-down moving member D of the bag placing device T for vertically moving the bag placing device T including the inclined placing member T3 connected to the bag according to the length of the bag B to be used will be described.

Numerals d1 and d2 are columns which are erected on the floor F at a predetermined interval, and the columns d1 and d2 are guide cylinders d3 and d4 attached to the frame t1 of the main body mounting member T2.
Has been inserted. At the center of the horizontal frame d5 attached to the upper ends of the columns d1 and d2, the tip of the vertical screw rod d7 of the motor d6 that can rotate forward and backward is pivoted through a suitable bearing (not shown). It is worn. Further, a nut d8 having a thread groove formed therein is attached to the frame t1 of the main body mounting member T2, and the vertical screw rod d7 is screwed into the nut d8. Therefore, the vertical screw rod d is driven by appropriately driving the motor d6 capable of rotating in the forward and reverse directions.
By rotating 7, the main body mounting member T2 to which the nut d8 is attached can be moved up and down along the columns d1 and d2.

In the previous step of the degassing step, the bag B filled with the object to be packaged M, which is a mixture of the solid m1 and the liquid m2, is
When moving to the degassing position (the position on the right side in FIG. 2),
By moving the main body mounting member T2 up and down according to the length of the bag B so that the bag B does not come into contact with the vertical mounting member T1, the main body mounting member T2 is connected to the main body mounting member T2 via the connecting member C1. The vertical mounting member T1 is configured to be vertically movable. Therefore, it is possible to deal with the bags B having various lengths.

As described above, by moving the vertical mounting member T1 upward and lifting the bottom portion b2 of the bag B, the liquid level m2 'of the liquid m2 can be brought close to the bag mouth b1. Air in the space b3 in the bag B above the liquid surface m2 'can be expelled from the bag mouth b1. When only the solid m1 is contained in the bag B, the bottom b2 of the bag B is lifted, so that a part of the air existing over almost the entire area of the bag B is expelled from the bag mouth b1. Will be done.

Further, after the deaeration work by the suction nozzle v2 inserted into the bag mouth b1 of the bag B is started or before the deaeration work, the two holding plates s1 and s2 of the holding member S are brought close to each other. By sandwiching and pressing the bag B from both sides, the liquid surface m2 ′ can be brought closer to the bag mouth b1. Therefore, the space b in the bag B above the liquid surface m2 ′
More air of 3 can be discharged from the bag mouth b1. Therefore, the liquid level m2 ′ due to the operation of the suction nozzle v2
The air remaining in the space b3 in the upper bag B can be sufficiently and quickly degassed. In addition,
As a matter of course, when only the solid m1 is accommodated in the bag B, when the bag B is sandwiched by the front sandwiching plate s1 and the rear sandwiching plate s2 and is pressed, the inside of the bag B is almost completely removed. Part of the air existing over the entire area is discharged from the bag mouth b1.

Furthermore, since the gripping members e1 and e2 of the bag B are released while the tilted mounting member T3 is rotated to the tilted position, the bag B is placed in the lower box or Make sure that the belt conveyor located below
It can be stored or placed.

Furthermore, since the guide plate c28 is inclined along with the inclination of the inclined mounting member T3, when the upper part of the bag B falls along the inclined inclined mounting member T3, the inclined guide is provided. Since it is guided by the plate c28, the bag B can be smoothly dropped while the bottom portion b2 of the bag B is faced down.

In the previous step of the degassing step, the bag B filled with the object to be packaged M, which is a mixture of the solid m1 and the liquid m2, is
When moving to the degassing position (the position on the right side in FIG. 2),
Depending on the length of the bag B, the main body mounting member T2 is provided via the connecting member C1 so that the bag B does not contact the upper and lower mounting members T1.
Since the up-and-down mounting member T1 connected to is configured to be movable up and down, it is possible to correspond to the bags B having various lengths.

[0050]

Since the present invention has the constitution described above, it has the following effects.

Prior to the deaeration work using the suction nozzle, the bottom of the bag is lifted, and the air in the space inside the bag is expelled from the bag mouth by pinching and pressing the bag. The degassing can be performed sufficiently and quickly.

Since the gripping of the bag is released in a state in which the slant mounting member is rotated to the slant position, the bag can be securely mounted on the lower box or the lower belt conveyor. It can be stored or placed.

Since the guide plate is inclined along with the inclination of the inclined mounting member, the upper part of the bag is guided by the inclined guide plate when falling along the inclined inclined mounting member. So, while lowering the bottom of the bag,
It can fall smoothly.

The upper and lower mounting members are connected according to the length of the bag so that the bag does not come into contact with the upper and lower mounting members when the bag filled with the objects to be packaged moves to the degassing position. Since the main body mounting member is configured to be movable up and down, bags of various lengths can be used.

Since the upper and lower mounting members in the raised position and the inclined mounting member in the horizontal position both form the same plane as the main body mounting member, the packaged object gripped near the bag mouth is It is possible to smoothly move the filled bag to the degassing position, the bag mouth sealing position, and the bag gripping release position.

[Brief description of drawings]

FIG. 1 is a schematic process drawing of a deaeration process of the packaging method of the present invention.

FIG. 2 is a schematic front view of the packaging device of the present invention.

FIG. 3 is a perspective view of a holding member of the packaging device of the present invention.

FIG. 4 is a plan view including a cutout portion of a holding member of the packaging device of the present invention.

FIG. 5 is a front view of a connecting mechanism of the bag placing device in the packaging device of the present invention.

FIG. 6 is a perspective view of a connecting mechanism of the bag placing device in the packaging device of the present invention.

FIG. 7 is a side view of the bag placing device in the packaging device of the present invention.

[Explanation of symbols]

 B: Bag C1, C2: Connection member D: Vertical movement member M: Packaged Object S ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Clamping member T ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bag loading device T1 ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper and lower loading member T2 ・ ・ ・ ・ ・... Main body mounting member T3 ... Inclined mounting member e1, e2 ... Grip member h1 ... Seal bar m1 ....・ ・ ・ ・ Solid m2 ・ ・ ・ ・ ・ ・ ・ ・ Liquid v2 ・ ・ ・ ・ ・ ・ ・ Suction nozzle w1 ・ ・ ・ ・ ・ ・ Cooling bar

Claims (7)

[Claims] 1. The air in the bag is expelled by lifting the bottom of the bag filled with the object to be packaged suspended in the vicinity of the mouth of the bag and then sandwiching and pressing the bag, , A packaging method characterized by performing deaeration work using a suction nozzle. 2. A bottom portion of the bag is lifted by raising a vertical placing member arranged below the bag filled with the objects to be packaged in a suspended state in which the vicinity of the bag mouth is gripped, and then the bag is clamped. Then, by pushing, after expelling the air in the bag, degassing work by a suction nozzle, then seal the bag mouth with the bag placed on the main body mounting member, then, The bag with the bag mouth sealed is placed on the inclined placement member, and then the inclined placement member is tilted and the grip of the bag is released to drop the bag along the inclined placement member. A packaging method characterized by the above. 3. An upper / lower mounting member for lifting a bottom portion of a bag filled with an object to be packaged which is held in the vicinity of a bag mouth, and holds the bag whose bottom portion is lifted from both sides,
A packaging device comprising a sandwiching member for pressing and a suction nozzle inserted into a bag mouth. 4. An upper / lower mounting member for lifting a bottom portion of a bag filled with an object to be packaged which is held in the vicinity of a bag mouth, and holds the bag whose bottom portion is lifted from both sides,
A holding member for pressing, a suction nozzle to be inserted into the bag mouth, and the same height as the upper and lower mounting members arranged at the bag mouth sealing position of the bag and in a state where the bottom of the bag is lifted. A packaging device, comprising: a main body mounting member; and an inclined mounting member arranged at a grip release position of the bag. 5. A main body mounting member, a vertical mounting member, and an inclined mounting member, wherein both the vertical mounting member in a raised position and the inclined mounting member in a horizontal position are the main body. A bag placing device that forms the same plane as the placing member is provided, the upper and lower placing members are supported by the main body placing member via a connecting member, and the inclined placing member is a connecting member. The packaging device according to claim 4, wherein the packaging device is supported by the main body mounting member via. 6. The packaging apparatus according to claim 4, wherein the main body mounting member, to which the upper and lower mounting members and the inclined mounting member are connected, is movable in the vertical direction. . 7. The guide plate according to claim 4, further comprising a guide plate which is rotatable from a vertical position to a tilted position in accordance with tilting motion of the tilted mounting member. To the packaging equipment.