JP4985141B2 - Content collection device - Google Patents

Description

  The present invention relates to a contents collection device, and more specifically, a conveying means for conveying a bag in which the contents are sealed, a cutting means for cutting the bag, and a collecting means for collecting the contents of the bag that is cut and discharged. The present invention relates to a provided content collection device.

2. Description of the Related Art Conventionally, there is known a content collection apparatus that includes a conveyance unit that conveys a bag in which contents are sealed, a cutting unit that cuts the bag, and a collection unit that collects the contents of the bag that is cut and discharged. ing.
As such a contents collection device, a conveying means for horizontally conveying a bag sealed with powdered or liquid pesticide as the contents, and a cutting means for cutting a part of one side of the bag being conveyed, In addition, there has been known one provided with a striking mechanism for discharging the contents remaining in the bag by hitting the cut bag. (Patent Document 1)
According to the contents collection device of this patent document 1, after cutting the bag so as not to be separated by the cutting means, the contents remaining in the bag located below the cutting position are discharged by the hitting mechanism. It has become.
JP 54-114394 A

However, in the case of the content recovery device of Patent Document 1, since a part of the side surface of the bag is cut, the content remains in a portion below the cutting position of the bag.
If the bag is knocked in this state, the contents may scatter and adhere to each member constituting the contents collection device, and the bag may fall due to strong hitting.
In view of such a problem, the present invention can discharge the contents in the bag more efficiently, and the contents collection designed to suppress the discharged contents from adhering to the bag and its surroundings as much as possible. A device is provided.

That is, the content collection device according to the present invention includes a conveying means for conveying a bag in which the contents are sealed, a cutting means for cutting the bag, and a collecting means for collecting the contents of the bag that is cut and discharged. In the content collection device with
The transport means includes an endless transport body wound around a plurality of rotation shafts arranged substantially horizontally, and a grip means provided on the endless transport body for gripping the bag, and transports the bag endlessly. An upper conveyance unit that conveys the upper side of the body, a lower conveyance unit that conveys the lower side, and a circumferential conveyance unit that conveys the bag from the upper conveyance unit to the lower conveyance unit,
The cutting means is provided so as to be opposed to the circular conveyance portion of the endless conveyance body, and the cutting means cuts while the bag is circularly conveyed from above to below.

According to the invention, the cutting means is provided at a position facing the circular conveying unit, and the bag is cut while the circular conveying unit is conveyed from the upper side to the lower side. The cutting opening of the bag is directed outward by centrifugal force, and the cutting opening of the bag is then moved downward by gravity due to movement to the lower conveying portion.
For this reason, the contents in the bag can be discharged even if the cut bag is not worn, and since the contents are discharged by its own weight, it is possible to prevent the discharged contents from being scattered. The range to which the contents adhere can be minimized.

The illustrated embodiment will be described below. FIG. 1 shows a content recovery apparatus 1 for recovering a liquid content such as a chemical solution sealed in a bag B as a bag-like sealing body.
The content collection device 1 includes a housing 2 that surrounds the periphery of the device, a transport unit 3 that is provided inside the housing 2 and transports the bag B, and a supply unit 4 that supplies the bag B to the transport unit 3. A cutting means 5 for cutting the bag B transported by the transport means 3, a plurality of swinging means 6 for swinging the cut bag B, and an opening for releasing the empty bag B from the transport means 3. Means 7 are provided.
As shown in FIG. 2, the bag B has a structure in which two sheets made of synthetic resin are overlapped with each other and their outer peripheral portions are welded to each other, and liquid content is sealed inside. Yes.

The housing 2 is composed of an outer peripheral portion 2A covering the periphery of the conveying means 3 including the cutting means 5 and the opening means 7, and a recovery part 2B provided on the bottom surface, and the upper surface of the housing 2 is fully opened. ing.
In the recovery part 2B, a slope 2Ba is provided so as to be deepest at a position below the cutting means 5 on the right side of the drawing, and is provided below the opening means 7 at the left end of the slope 2Ba in the figure. Opening 2Bb is formed.
A discharge port 2Bc is provided at the deepest position of the slope 2Ba, and a collection box 8 for collecting the bag B is provided below the opening 2Bb.

As shown in FIGS. 1 to 3, the conveying means 3 includes sprockets 11 and 12 fixed to rotating shafts arranged substantially horizontally, and endless conveying members wound around the sprockets 11 and 12. The sprockets 11 and 12 and the conveyor chain 13 are arranged on both sides of the transport path so that at least a pair of conveyor chains 13 are parallel to each other.
Each conveyor chain 13 paired on both sides in this way has a plurality of gripping means 14 that are opposed to each other between the conveyor chains 13 and are equally spaced in the longitudinal direction, and grip the bag B with a pair of facing pairs. The gripping means 14 is swingably attached to the conveyor chains 13 via swing support means 15.
Further, a guide member 16 is provided between the sprockets 11 and 12 along the conveyor chain 13 so that the conveyor chain 13 moves horizontally without hanging down.
FIG. 3 is a plan view showing the vicinity of the sprocket 11 located on the right side of FIG. 1. As shown in FIG. 3, the sprocket 11 and the conveyor chain 13 are provided in parallel at a predetermined interval. 12 are also provided in parallel at predetermined intervals.
The rotating shaft of the sprocket 11 is configured as a driving shaft 17, and the driving shaft 17 is rotated in the clockwise direction in FIG. 1, that is, to feed the conveyor chain 13 that has been wound around from top to bottom by the driving force of a motor (not shown). Further, the gripping means 14 is moved intermittently by rotating the motor intermittently.

The transport means 3 is configured to transport the bag B from the left to the right while holding the bag B on the upper side of the conveyor chain 13 and from the right to the left while holding the bag B on the lower side of the conveyor chain 13. The bag B is located on the right side in the figure, which is the most downstream of the upper side transport unit T1, and the bag B is moved from the upper side to the lower side toward the lower side transport unit T2. A circular transport unit T3 that circulates along the sprocket 11, and is located on the left side in the drawing, which is the most downstream side of the lower transport unit T2, and from above the lower transport unit T2 toward the upper transport unit T1 from above And a forwarding part T4 that circulates along the sprocket 12 and conveys it.
The supply section 4 is provided in the upper transport section T1 of the transport means 3, the cutting means 5 is provided in a position facing the circumferential transport section T3, and the swinging means 6 is provided in the lower transport section T2. The opening means 7 is provided in the forwarding part T4.

Hereinafter, the gripping means 14 and the swing support means 15 will be described with reference to FIGS.
Here, in FIG. 2, the gripping means 14 transports the bag B from the lower side to the upper side in the figure, and FIGS. 4 (a) and 4 (b) show the state in which the gripping means 14 is located at the upper transporting portion T1. FIG. 4 (c) shows a state in which the gripping means 14 is positioned in the lower transporting portion T2, and the gripping means 14 on the left side with respect to the advancing direction of the gripping means 14 paired on the left and right. Is shown.
The gripping means 14 is held by L-shaped brackets 21 provided at equal intervals on the conveyor chain 13 via swing support means 15, and the gripping means 14 is provided on the conveyor chain 13 provided in parallel. They are provided so as to face each other.
The swing support means 15 is provided at a required position of the holding member 22 fixed to the bracket 21, a rotating shaft 23 supported by the holding member 22 to suspend the gripping means 14 rotatably, and the holding member 22. The stopper member 24 is provided.
The holding member 22 is a U-shaped member having two plate pieces 22 a provided so as to sandwich the gripping means 14 in the traveling direction of the conveyor chain 13, and its base is fixed to the bracket 21. The two plate pieces 22a protrude outward with respect to the moving path of the conveyor chain 13.
The rotating shaft 23 is provided at a tip portion of the plate piece 22 a that protrudes outward with respect to the moving path of the conveyor chain 13.
The stopper member 24 protrudes toward the inside of the parallel conveyor chain 13 between the base portion of the holding member 22 and the rotating shaft 23.

The gripping means 14 includes a rotating member 25 that is rotatably suspended by the rotating shaft 23 between the plate pieces 22a of the holding member 22, and the rotating member 25 in FIGS. 4 (a) and 4 (b). A mounting table 26 on which the bag B is mounted, an arm 27 that holds the bag B between the mounting table 26, and a lever 28 that opens and closes the arm 27; A link member 29 that interlocks the arm 27 and the lever 28 is constructed.
The rotating member 25 is rotatably attached to the base of the arm 27, and the position of the axial attachment is above the rotating shaft 23, that is, the mounting table 26 in FIGS. 4 (a) and 4 (b). In the direction away from the outer side of the parallel conveyor chain 13.
As shown in FIG. 2, the mounting table 26 is provided so as to protrude from between the plate pieces 22 a of the holding member 22 toward the inside of the conveyor chain 13 provided in parallel. A necessary interval is provided between them.
Further, as shown in FIGS. 4A and 4B, when the gripping means 14 is positioned in the upper transport portion T1, the contact member 26b provided on the lower surface of the mounting table 26 holds the holding member. The stopper member 24 provided on the member 22 is in contact with the stopper member 24 from above and is held almost horizontally.
Further, the mounting table 26 has a substantially L-shaped shape in plan view, and the L-shaped tip portion is provided so as to face rearward with respect to the transport direction, and the bag B is supported by the portion from below. It is supposed to be.

The arm 27 has a substantially L-shape when viewed from the top, similarly to the mounting table 26, and four metal pressing members 27a are provided at the tip of the L-shape.
The mounting table 26 has a through hole 26a. When the bag B is sandwiched between the mounting table 26 and the arm 27, the pressing member 27a is fitted into the through hole 26a via the bag B, so that The bag B is gripped.
The lever 28 includes two plate pieces, and a base portion of the lever 28 is rotatably supported on the rotating shaft 23 so as to straddle the rotating member 25. A cam follower 30 made of a rotatable roller is provided at the tip of the lever 28.
The lever 28 is operated via the cam follower 30. When the lever 28 is tilted toward the outside of the parallel conveyor chain 13, the tip of the lever 28 protrudes to the outside of the mounting table 26. It comes in contact with the part.
One end of the link member 29 is rotatably mounted at a position slightly shifted from the base portion of the arm 27 toward the distal end side, and the other end is rotatably mounted near the distal end portion of the lever 28.

With this configuration, when the lever 28 is tilted outward as shown in FIG. 4A, the arm 27 is raised and the gripping means 14 is in an open state in which the mounting table 26 and the arm 27 are separated from each other. To be maintained.
On the other hand, when the lever 28 is pivoted inward from this state as shown in FIG. 4B to stand up, the arm 27 is tilted inward via the link member 29, and the gripping means 14 moves between the mounting table 26 and the arm. 27 is brought into a closed state in contact with it.
In this state, the lever 28 and the link member 29 are positioned on the same straight line, and the tip of the portion pivotally attached to the arm 27 of the link member 29 abuts on the rotating member 25, so that the lever 28 stands upright. The link member 29 is fitted between the pivotally attached portion and the rotating member 25.
Even if the arm 27 is to be rotated upward from this state, the upward movement of the link member 29 is restricted by the lever 28, and the rotation of the lever 28 is restricted by the link member 29. This closed state can be maintained as long as it is not operated.

In the above configuration, since the mounting table 26 and the arm 27 protrude long inside the parallel conveyor chain 13, the rotating shaft 23 does not support the center of gravity of the gripping means 14 in the closed state. In other words, the center of gravity of the gripping means 14 is located on the tip side of the mounting table 26 and the arm 27 with respect to the rotating shaft 23.
For this reason, as shown in FIG. 4B, in the state where the gripping means 14 in the closed state is positioned in the upper transport portion T1, the contact member 26b provided in the middle of the mounting table 26 is provided in the holding member 22. The stopper member 24 is in contact with the stopper member 24 from above, so that the mounting table 26 is supported substantially horizontally.
On the other hand, as shown in FIG. 4C, in the state where the gripping means 14 is positioned at the lower transporting portion T2, the gripping means 14 rotates around the rotating shaft 23 and is placed at the outer end of the mounting table 26. The provided abutting member 26c comes into contact with the base of the holding member 22 so that the tips of the mounting table 26 and the arm 27 face obliquely downward.

FIG. 5 shows the supply unit 4. The supply unit 4 includes a supply table 31, a robot 32 for supplying the bag B, and closing means 33 (33A, 33B) for switching the gripping means 14 from the open state to the closed state. I have.
Here, the closing means 33A on the right side in FIG. 5 is in an inoperative state before the gripping means 14 is closed, and the closing means 33B on the left side in FIG. 5 is after the gripping means 14 is in a closed state. Each operating state is shown.
The supply table 31 is provided in the upper transfer portion T1 of the transfer means 3, and the gripping means 14 is stopped in an open state at the position of the supply table 31, and at this time, the mounting table 26 is moved by the stopper member 24. It is in a horizontal state.
The supply table 31 is provided in the middle of the conveyor chains 13 on both sides, and is arranged so as not to interfere with the mounting tables 26 of the two gripping means 14 facing each other. The position of the upper surface of the supply table 31 is set to the same height as the position of the upper surface of the mounting table 26 described above.
A suction head 32 a is provided at the tip of the arm of the robot 32, and the robot 32 sucks and holds the bag B at a bag B supply position (not shown), and then transfers the bag B onto the supply table 31. ing.

The closing means 33 includes a first cam 34 for operating the gripping means 14 and an elevating means 35 for raising and lowering the first cam 34.
The first cam 34 has a predetermined length along the moving direction of the conveyor chain 13, is located on both sides of the conveyor chain 13, and is located below in the non-operating state, and stops on both sides of the supply table 31. In the opened gripping means 14, the lever 28 is positioned below the cam follower 30. (See the closing means 33A on the right side of the figure)
The elevating means 35 includes a holding member 36 to which the first cam 34 is attached and an air cylinder 38 that elevates and lowers the holding member 36 via a link mechanism 37.
The link mechanism 37 is connected and fixed to two parallel link members 37a rotatably supported by a mounting portion 2e fixed at one end to the inside of the housing 2, and a rotation shaft of the link member 37a provided above. Lever 37b and an arm 37c that rotatably connects the other end of the link member 37a that is not pivotally supported.
The piston rod of the air cylinder 38 is connected to the tip of the lever 37b, and the link member 37a and the lever 37b provided above are fixed at a predetermined angle.
Further, the holding member 36 is fixed to a rotating shaft that is fixed to the arm 37c and connected to the lower link member 37a.
With such a configuration, the air cylinder 38 extends the piston rod, whereby the arm 37c is lifted via the lever 37b and the link member 37a, and thereby the first cam 34 attached to the holding member 36 is raised.
As a result, the first cam 34 comes into contact with the cam follower 30 of the gripping means 14 from below, and the lever 28 of the gripping means 14 is operated from the tilted state to the inverted state, so that the gripping means 14 is changed from the open state to the closed state. The bag B that is switched and placed on the supply table 31 is gripped by the placing table 26 and the arm 27. (Refer to the closing means 33B on the left side of the figure)

Next, the cutting means 5 will be described with reference to FIG. 1 and FIG. 3. The cutting means 5 includes the rotary cutter 41 provided facing the circumferential conveyance portion T3 of the conveyance means 3 and the bag B with the bag B interposed therebetween. The cutting guide 42 is provided on the opposite side of the rotary cutter 41.
The rotary cutter 41 is a disc-shaped cutter having a cutting edge formed on the outer peripheral portion thereof, and the rotary cutter 41 is attached to the drive shaft 43. The rotation center of the drive shaft 43 is provided at the same height as the rotation center of the sprocket 11.
Further, the drive shaft 43 is driven by a driving force of a motor 45 through a pulley 44 provided outside the housing 2, and is counterclockwise as shown in FIG. 1, that is, from above to below facing the circular conveyance portion T3. It is designed to rotate.
The cutting guide 42 is a disk-shaped member in which two slits 42 a into which the cutting edge of the rotary cutter 41 is inserted are formed on the outer peripheral portion thereof, and the rotation center of the cutting guide 42 is the drive of the rotary cutter 41. It is located at the same height as the center of the shaft 43, and is disposed at a position approximately in the middle between the two sprockets 11, 11.
With such a configuration, when the bag B gripped by the gripping means 14 passes between the rotary cutter 41 and the cutting guide 42, the rotation that rotates from top to bottom at the position where the bag B is cut is the same as the movement of the bag B. The bag 41 is cut and separated into two by the cutter 41.
In order to make an incision without scattering the contents of the bag B, the rotation center of the drive shaft 43 of the rotary cutter 41 may be the same height as the rotation center of the sprocket 11 or slightly below it. desirable.

As shown in FIG. 1, the swinging means 6 is provided at three locations on the lower transporting portion T2 of the transporting means 3, and as shown in FIG. 6, each swinging means 6 has a second cam 51 and a third cam 52, respectively. It is constituted by.
FIG. 6 is a view of the second and third cams 51 and 52 as viewed from above, and the bag B is conveyed from the top to the bottom in the drawing. FIG. 7 shows a cross-sectional view of the VII-VII portion in FIG.
In the state before the gripping means 14 reaches the swinging means 6, the gripping means 14 has moved to the lower transporting part T2 through the orbiting transporting part T3. At this time, the gripping means 14 is rotated by the swing support means 15 while maintaining the closed state, and the cut portion of the cut bag B is held in a state of facing obliquely downward.
When the gripping means 14 reaches the upstream end of the second cam 51 in the conveying direction, the second cam 51 comes into contact with the cam follower 30 of the gripping means 14 from the outside as shown in FIG.
Thereafter, the second cam 51 presses the cam follower 30 inward until the gripping means 14 reaches the end of the second cam 51 on the downstream side in the conveying direction, so that the gripping means 14 remains in the closed state. Then, the rotary shaft 23 is pushed up to the substantially horizontal direction.
When the gripping means 14 passes through the second cam 51, the gripping means 14 drops so that the tip of the gripping means 14 is lowered to the state shown in FIG. 4C where the contact member 26c contacts the holding member 22 by the swing support means 15. The contents remaining in the bag B can be discharged by the rotation.
When the gripping means 14 that has passed through the second cam 51 does not rotate to the state shown in FIG. 4C, the third cam 52 abuts from the inside of the cam follower 30 to forcibly FIG. 4C. It is provided in order to rotate to the state.
And the content in the bag B can be discharged | emitted more reliably by providing multiple rocking | fluctuation means 6 which has the said structure.

As shown in FIG. 1, the opening means 7 is constituted by the following fourth to seventh cams 53 to 56 provided along the forwarding portion T4 of the conveying means 3.
8 shows the operation of the gripping means 14 at each part by the opening means 7, FIG. 8 (a) shows the aa part in FIG. 1, FIG. 8 (b) shows the bb part, and FIG. c) shows the cc part, respectively.
First, as shown in FIG. 4C, the gripping means 14 immediately before reaching the opening means 7 after being transported through the lower transporting portion T2 is in a state where the mounting table 26 and the closed arm 27 are in an oblique state. The bag B is positioned with the cut opening facing downward.
When the gripping means 14 reaches the aa portion in this state, the fourth cam 53 comes into contact with the cam follower 30 from the outside as shown in FIG. 8A so that the mounting table 26 is pulled toward the stopper member 24. The gripping means 14 and the bag B are rotated.

Next, while the gripping means 14 moves from the aa portion to the bb portion, the fourth cam 53 further presses the cam follower 30 inward and rotates the gripping means 14 to contact the mounting table 26. The member 26b and the stopper member 24 are brought into contact with each other.
Further, fifth to seventh cams 54 to 56 shown in FIG. 8B are provided from the bb portion to the cc portion.
The fifth cam 54 contacts one contact member 26b of the mounting table 26 that contacts the stopper member 24, and the sixth cam 55 contacts the other contact member 26c of the mounting table 26, thereby contacting the contact member 26b. Is held in contact with the stopper member 24.
The seventh cam 56 is positioned to face the fourth cam 53 with the cam follower 30 interposed therebetween.
While the gripping means 14 moves from the bb portion to the cc portion in this state, the fourth cam 53 and the seventh cam 56 maintain the state where the cam follower 30 is sandwiched therebetween while maintaining the state shown in FIG. As shown in c), the cam follower 30 is pressed to the outside of the conveyor chain 13, and the lever 28 is tilted from the upright state with respect to the mounting table 26.
By operating the lever 28 by the fourth cam 53 and the seventh cam 56 in this way, the arm 27 interlocked by the link member 29 is pulled away from the mounting table 26 and the gripping means 14 is opened, whereby the bag B is moved downward. Will be dropped.

Hereinafter, the operation of the content collection apparatus 1 having the above configuration will be described.
First, when the gripping means 14 in the opened state stops at a position adjacent to the supply table 31 of the supply unit 4, the robot 32 places the bag B on the supply table 31.
When the bag B is placed on the supply table 31, the closing means 33 is operated so as to change from the right side state (33A) to the left side state (33B) in FIG. 34 rises, the lever 28 of the gripping means 14 is operated, the gripping means 14 is closed, and the bag B is sandwiched between the mounting table 26 and the arm 27.
When the bag B is gripped by the gripping means 14, the gripping means 14 is intermittently moved a predetermined number of times downstream, and is stopped before the circulating transport unit T3.
After that, the bag B is transported so as to pass through the circular transport unit T3 during the next intermittent movement, and while passing through the circular transport unit T3, the bag B is pressed to the outer peripheral side by the cutting guide 42, The rotary cutter 41 cuts and separates them into two.
As described above, the bag B gripped by the opposing gripping means 14 from both sides of the transport path in the upper transporting section T1 is moved by the gripping means 14 while being orbitally moved along the sprocket 11 in the circulating transporting section T3. Since the intermediate portion of the gripping position is cut by the rotary cutter 14 from the outside in the circumferential direction, the cut opening portion of the bag B faces outward by centrifugal force, and the contents can be discharged by centrifugal force. As a result, even if the contents in the bag B are a mixture of a liquid and a solid or a liquid having viscosity, it can be reliably discharged.
Further, since the rotation direction of the rotary cutter 41 at the position where the bag B is cut is directed downward from the same direction as the carrying direction of the bag B, the contents touching the rotary cutter 41 at the time of cutting are scattered downward. The housing 2 is prevented from scattering from the open upper surface to the outside of the housing 2 or adhering to any part other than the rotary cutter 41.

When the bag B is cut and separated into two by the cutting means 5 and then the gripping means 14 reaches the lower transport portion T2 and stops, the gripping means 14 is moved by the swing support means 15 as shown in FIG. The bag B that is swung downward and cut is held obliquely with the cut opening facing downward.
As described above, the bag B transported through the circular transport unit T3 moves to the lower transport unit T2, so that the cutting opening of the bag B faces downward, and the contents discharged from the bag B are collected in the recovery unit of the housing 2. It falls to 2B and is collected through the discharge port 2Bc.
Thereafter, the bag B is transported in a state where the cutting opening faces downward in the lower transport section T2, and a plurality of swinging means 6 are provided in the lower transport section T2. Thus, the bag B is swung up and down together with the gripping means 14 to facilitate the discharge, and the contents in the bag B can be discharged more reliably.
At this time, the contents discharged from the bag B fall on the slope 2Ba of the collection part 2B of the housing by its own weight, and are collected through the discharge port 2Bc along the slope 2Ba.

When the bag B that has been cut and emptied reaches the forwarding section T4, the holding means 14 is brought into contact with the stopper member 24 by the opening means 7 and the gripping means 14 is brought into contact with the stopper member 24. Then, the arm 27 is pulled away and the gripping means 14 is opened.
As a result, the empty bag B gripped by the gripping means 14 falls downward and is stored in the bag collection box 8 through the opening 2Bb formed in the housing 2.

The side view of the content collection | recovery apparatus concerning a present Example. The top view about a conveyance means. The top view about a cutting | disconnection means. The side view about a holding means and a rotation means is shown, (a) shows the open state of a holding means, (b) shows the closed state of a holding means, (c) shows the state which the holding means rotated by the rotation means. The side view about a supply means. The top view about a rocking | fluctuation means. The side view about a rocking | fluctuation means. It is a figure explaining the operation | movement with an opening means, Comprising: (a) is a figure of the aa part of FIG. 1, (b) is a figure of the bb part, (c) is a figure of the cc part. Respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Content collection apparatus 2 Housing 3 Conveying means 5 Cutting means 6 Oscillating means 7 Opening means 11, 12 Sprocket 13 Conveyor chain 14 Holding means 15 Oscillating support means 41 Rotating cutter 42 Cutting guide B Bag T1 Upper side conveyance part T2 Below Side transfer part T3 Circulation transfer part T4 Forwarding part

Claims (4)

In a content recovery apparatus comprising transport means for transporting a bag with sealed contents, cutting means for cutting the bag, and recovery means for recovering the contents of the bag that is cut and discharged,
The transport means includes an endless transport body wound around a plurality of rotation shafts arranged substantially horizontally, and a grip means provided on the endless transport body for gripping the bag, and transports the bag endlessly. An upper conveyance unit that conveys the upper side of the body, a lower conveyance unit that conveys the lower side, and a circumferential conveyance unit that conveys the bag from the upper conveyance unit to the lower conveyance unit,
The content recovery apparatus according to claim 1, wherein the cutting means is provided to face the circular transfer portion of the endless transfer body, and the cutting means cuts while the bag is circularly transferred from above to below. The transport means includes at least a pair of endless transport bodies provided in parallel, and the gripping means faces each endless transport body and is swingable through swing support means.
In the upper transport section, the gripping means grips the bag from both sides,
In the circulating transport section, the bag is cut between the gripping means opposed by the cutting means,
2. The contents according to claim 1, wherein in the lower-side transport unit, the gripping means is swung downward by the swing support means, and transported in a state where the cut opening of the gripped bag faces downward. Recovery device.   The content recovery apparatus according to claim 1 or 2, wherein the cutting means is a rotary cutter, and the rotation direction of the rotary cutter at a position for cutting the bag is directed from above to below. A swinging means for swinging the gripping means up and down is provided in a transporting part below the transporting means,
4. The content collection apparatus according to claim 2, wherein the swinging means swings the bag gripped by the gripping means to promote discharge of the contents in the bag.

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