JPH06156419A - Packing machine - Google Patents

Abstract

PURPOSE:To carry out an article to be packed after tying falling backward or preventing a load collapse from generating, and reduce the cost by improving the work efficiency of packing. CONSTITUTION:A quick discharging mechanism which sends out an article to be packed A to the carry-out side cooperating with conveyors 15, 16, is provided on a table 13. For the quick discharging mechanism, movable brackets 50 which can move between a standby location and push-out location by a driving means 40 respective are arranged at both sides of the conveyors 15, 16. A push-out member 60, which can be displaced to an open condition under which the article to be packed A can pass through between respective movable brackets 50 located at the standby locations, and to a closed condition under which respective movable brackets 50 come into contact with the rear end part of the article to be packed A after being tied from the top and bottom, when moving to the push-out locations, is provided on each movable bracket 50 respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
A conveyor for transferring the object to be packed from the carry-in side to the carry-out side of the table, and a band guide arch provided so as to straddle the conveyor, and when the object to be packed is transferred directly below the band guide arch, The present invention relates to a packing machine that bundles the objects to be packed with a band that circulates in a band guide arch.

[0002]

2. Description of the Related Art A conventional packing machine of this type is shown in FIG. 6, for example. That is, the machine body 1
A band guide arch 3 that circulates a band for binding the objects to be packed is erected on the upper surface of the table 2 of the table 2. The band guide arch 3 is sandwiched between the loading side and the unloading side of the table 2. A conveyor 5 is provided for transferring the objects to be packed to a position right below the band guide arch 3 and sending out the bound objects to the unloading side. A holding mechanism 6 is provided on both sides of each of the conveyors 4 and 5 to support the objects to be packed transferred on the conveyors 4 and 5 from both sides thereof.

[0003]

However, in such a conventional packing machine, when the rotation speed of the conveyors 4 and 5 is increased in order to quickly carry out the objects to be packed, the conveyors 4 and 5 are conveyed. When 5 starts, only the bottom part of the object to be packed moves first and the upper part is delayed, so that the object to be packed falls backward, or if the object to be packed is a stack of newspapers, the load collapses The figure is disturbed. In this case, although the holding mechanism 6 can prevent the collapse of the load on both sides of the article to be packed, it cannot prevent the load from collapsing in the transport direction or falling backward.

Therefore, there is a limit to promptly sending out the packed objects after bundling, the number of processed objects to be packed per unit time cannot be increased, and the packing work efficiency cannot be increased. There was a point. The present invention has been made by paying attention to such a conventional problem, and promptly removes the packaged object after binding without causing the problems as described above.
It is an object of the present invention to provide a packing machine that can be quickly carried out, can improve packing work efficiency, and can realize cost reduction.

[0005]

[Summary of the Invention] The gist of achieving the above object is to transfer the object to be packaged (A) in cooperation with the conveyors (15, 16) and at the same time to to receive the object to be packaged (A). A packing machine equipped with a quick discharge mechanism for quickly and quickly carrying out a packaged object (A) after binding while preventing the product from falling over or collapsing the load, and more specifically, 1 table (13) (13) Conveyors (15, 16) for transferring the article to be packed (A) from the carry-in side to the carry-out side of the table (13), and the conveyer (15, 1)
6) A band guide arch (14) which is erected so as to straddle the band guide arch (14), and the band guide arch (14) when the object to be packed (A) is transferred directly below the band guide arch (14).
In the packing machine (10) for binding the objects to be packed (A) with the band (B) which is circulated inside, the table (13)
On both sides of the conveyor (15, 16) on the upper surface of the conveyor (15, 16), the object (A) that is transported on the conveyor (15, 16) is brought into contact with and pushed laterally to spread the object (A). After being received, the object (A) to be packed after band binding is closed at the rear end side of the object (A) while contacting the upper and lower parts of the rear end, and in this state, the object (A) to be packed is moved toward the discharge side. By
A packing machine (10), characterized in that a rapid discharge mechanism for sending the object to be packed (A) in cooperation with the conveyors (15, 16) to the discharge side of the table (13) is provided. 2 The rapid discharge mechanism is provided on the conveyor (15, 16).
The movable brackets (50), which are movable by the drive means (40) to the carry-in side standby position and the carry-out side extrusion position, are arranged on both sides of the movable bracket (50). When in the standby position, the movable bracket (50) moves to the pushing position when the movable bracket (50) is in an open state in which it abuts against the side of the article to be packed (A) and pushes and spreads. An extruding member (60) which is displaceable into a closed state in which the packaged object (A) after bundling is in contact with the upper and lower rear end portions of the object to be packed;
The packing machine (10) according to 1, wherein the packing machine (10) is provided on each of the movable brackets (50). 3 In each of the movable brackets (50), a guide member (70) for sandwiching the article (A) to be delivered to the unloading side from both sides is fixedly provided. Exist.

[0006]

The quick discharge mechanism receives the article to be packed (A) while abutting against the article to be packed (A) transferred on the conveyors (15, 16) and spreading laterally, and after band binding. While being closed at the rear end side of the article to be packaged (A), the packaged article (A) is in contact with the upper and lower sides of the rear end section, and in this state, the article to be packaged (A) is moved to be pushed out to the discharge side. As a result, the quick discharge mechanism can send the article (A) to be packed to the carry-out side of the table (13) in cooperation with the conveyors (15, 16). The operation will be described below based on a configuration example of the rapid ejection mechanism.

[0007] The article (A) to be packed (for example, a stack of cardboard boxes, magazines, newspapers, etc.) carried in on the upper surface of the table (13) is conveyed to a position directly below the band guide arch (14) by a conveyor (15, 16), the pair of movable brackets (50) of the quick discharge mechanism are in the standby position on the loading side, and the pair of push-out members (60) provided on the movable bracket (50) are in between. Is in an open state through which the object to be packed (A) can pass.

The object to be packed (A) is a conveyor (15, 16)
After passing through the pair of movable brackets (50) on both sides of the band guide and transferred to the position just below the band guide arch (14), the object to be packed ( A) is bound. Before and after this binding, the pushing member (6) of each movable bracket (50) is
0) is displaced from the open state to the closed state, and contacts the upper and lower rear end portions of the article to be packaged (A).

After the push-out member (60) is displaced to the closed state in this way, the movable brackets (50) move to the push-out position on the unloading side, and along with this, the conveyors (15, 16).
The upper article to be packed (A) is sent to the unloading side while being pushed by the pushing member (60) over the rear end thereof. As a result, the packaged object (A) after binding is quickly sent to the carry-out side of the table (13) by the rapid discharge mechanism that cooperates with the conveyor on the upper surface of the table (13), and therefore the unit of time per unit time is reduced. The number of pieces to be processed increases and the packing work efficiency is improved.

After the object (A) to be packed is discharged, the pair of movable brackets (50) returns to the standby position again, and then the object (A) to be carried into the upper surface of the table (13) is sent out. Prepare for

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention. As shown in FIGS. 1 and 2, a band reel 11 is provided on the side wall of the machine body 10a of the packing machine 10, and the band B guided from the band reel 11 is meandering inside the front wall. A chamber 12 for stacking the layers is provided.

A table 13 is provided at the upper end of the machine body 10a, and a band guide arch 14 is provided upright in the approximate center of the table 13 so as to extend in both directions.
Further, the band guide arch 1 is provided on the upper surface of the table 13.
An in-conveyor 15 and an out-conveyor 16 for conveying the article A to be packed are laid rotatably in front of and behind the interval 4, respectively.

Inside the band guide arch 14, a band guide passage (not shown) is formed, and the chamber 1
The band B guided from 2 is inserted into the band guide passage,
It is controlled so that the objects A to be packed that have come below the band guide arch 14 are wrapped around and automatically bound. On both sides of the carry-in conveyor 15, there is provided a rapid discharge mechanism for sending the bound articles A to the carry-out side of the table 13 in cooperation with the carry-out conveyor 16. This rapid ejection mechanism is provided on a pair of base brackets 24, 24 arranged on both sides of the carry-in conveyor 15, and the width between the base brackets 24, 24 is the size of the article A to be packed. It can be adjusted according to.

More specifically, as shown in FIG. 3, lower rails 21 extending in the left-right direction orthogonal to the transport direction of the article A to be packed are fixedly provided on the upper surfaces of the tables 13 on both sides of the carry-in conveyor 15. An upper rail 22 that supports the base bracket 24 is fitted to the lower rail 21 so as to be slidable in the longitudinal direction. On the upper rail 22 side, a clamp handle 23 for locking that restricts sliding of the upper rail 22 with respect to the lower rail 21 is provided.

As shown in FIGS. 2 and 3, the base bracket 24 is axially supported by a screw member 25 extending in the carrying direction and rotatable. This screw member 25
A front-rear adjustment handle 27 for rotating operation is fixedly connected to one end of the, and a nut member 26 is relatively rotatably screwed to the screw member 25. Nut member 2
A support bracket 30 of the quick discharge mechanism is fixedly provided on one end side of the base plate 6. The support bracket 30 can be adjusted in the left-right position by moving the base bracket 24 in the left-right direction, and the base bracket can be adjusted. The front-back position can also be adjusted by moving the nut member 26, which is relatively rotatably screwed into the screw member 25 axially supported by 24, in the conveying direction.

As shown in FIG. 4, a drive means 40 is provided on the support bracket 30, a standby position (the position where the pushing member 60 is at P ₀ ) and a pushing position (the pushing member) along the conveying direction by the driving means 40. 60 and a movable bracket 50 which is movable is arranged in the position) in the P _1. More specifically, as shown in FIGS. 3 and 4, two upper and lower guide rods 32, 32 extending in the transport direction are provided on the support bracket 30 via a bearing member 31.
A linear bearing 33 is inserted through each of the guide rods 32, 32 so as to reciprocate in the transport direction. The movable bracket 50 described above is fixed to the linear bearing 33.

As shown in FIGS. 3 and 5, drive means 40
Is a drive source air cylinder 41 attached to the support bracket 30 side, a pulley bracket 43 attached to the tip of a drive rod 42 protruding and retracted from one end side of the air cylinder 41, and a pulley bracket 43 via a pivot 46. And a two-stage pulley 45 rotatably supported. In addition,
The air cylinder 41 is provided with a cushion absorber 44 that regulates the return position of the drive rod 42.

In the lower groove 45b of the two-step pulley 45, in accordance with the projecting operation of the drive rod 42 of the air cylinder 41,
A push-out belt 48 that moves the movable bracket 50 from the standby position to the push-out position is spanned. One end 48 a of the pushing belt 48 is fixed to the movable bracket 50, and the other end 48 b is fixed to the support bracket 30. On the other hand, a pullback belt 47 for moving the movable bracket 50 from the pushing position to the standby position in accordance with the retracting operation of the drive rod 42 of the air cylinder 41 is wound around the upper groove 45a of the two-stage pulley 45. . One end 47a of the pullback belt 47 is fixed to the movable bracket 50 and the other end 47b
Is fixed to the support bracket 30.

As described above, the pullback belt 47 is attached to the two-step pulley 45 which is moved by the drive rod 42, as shown in the drawing.
Also, since the pushing belt 48 is stretched around, one end 47a of the pullback belt 47 and one end 48a of the pushing belt 48 are pulled by a distance that is twice the movement amount of the driving rod 42 according to the movement of the drive rod 42. As a result, the movable bracket 50 moves twice as fast as the drive rod 42 at a speed twice as fast.

A push-out member 60 is pivotally attached to each of the movable brackets 50, 50 so as to be swingable. Extruding member 60
Is formed of a narrow member extending in the vertical direction,
The base end side is pivotally attached to the rear end edge of the movable bracket 50 via a pivot 61. More specifically, the push-out member 60, as shown in FIG.
In an open state (P ₂ ) along the side surface of the movable bracket 50 so as not to hinder the passage of the movable bracket 50, a front end edge of the movable bracket 50 is separated from the movable bracket 50, and the closed position (P ₀₎ is in contact with the upper and lower rear ends of the article A to be packed. ) And pivotally attached to.

The pushing member 60 is normally in the closed position (P
_The coil spring 62 is biased as much as possible. That is, the push-out member 60 swings from the closed position (P ₀ ) to the open state (P ₂ ) against the biasing force of the coil spring 62 by coming into contact with the article A to be packed that has been carried into the table 13. However, at the same time as it is separated from the side surface of the article A to be packed, it is returned to the closed position (P ₀ ) again by the restoring force of the coil spring 62, and at that time, the rear end portion of the article A is set to be in contact with each other. There is.

A guide member 70 is provided on the front end side of each of the movable brackets 50, 50 via a mounting bracket 71.
Is fixed. This guide member 70 is used for the conveyor 1
The object A to be packed, which is to be transported over the parts 5 and 16, is sandwiched from both sides to prevent the lateral displacement of the object A to be packed.
As shown in FIG. 1, an aligning device 70 and an abutting mechanism 80 are provided at the rear of the table 13 on the carry-out side of the band guide arch 14. The abutting mechanism 80 includes abutting plates 82, 8 facing each other with the carry-out conveyor 16 in between.
2, the abutting plates 82, 82 are erected so as to be slidable along the support rails 83, 83, respectively.

The abutting plate 82 and the support rail 83 are slid by the drive unit 81. Abutting mechanism 8
Reference numeral 0 denotes a mechanism for positioning the objects A to be packed, which are sent to the unloading side by the carry-in conveyor 15, at the binding position, and for aligning the load shift toward the front unloading side. The alignment mechanism 90 is
This is a mechanism for aligning the left and right load shifts, and is provided so as to sandwich the articles A to be packed at the binding position from both sides. The aligning mechanism 90 includes holding plates 92, 92 that face each other with the carry-out conveyor 16 in between.
2, 92 are cylinders 91, which are drive means, respectively.
It is connected to 91.

In addition, in the machine body 10a of the packing machine 10,
You may provide the press mechanism etc. which press and arrange | position the to-be-packaged object A conveyed to the bundling position which is just under the band guide arch 14 from above. The abutting mechanism 8 described above
It is not always necessary to provide 0 or the alignment mechanism 90. Next, the operation will be described.

As shown in FIG. 1, when the packing machine 10 packs an object A to be packed, such as a cardboard box or a stack of newspapers, for example, first, according to the size of the object A to be packed, The quick discharge mechanism on both sides of the carry-in conveyor 15 of the table 13 is adjusted to an optimum position. That is, the clamp handle 23 is loosened to adjust the left and right positions of the base bracket 24 that supports the rapid ejection mechanism so as to be movable in the left and right directions, so as to correspond to the width of the article A to be packed. Also,
Turn the front-back adjustment handle 27 to turn the base bracket 24
The support bracket 30 supported by the movable bracket 50 is moved in the carrying direction to adjust the standby position of the movable bracket 50 according to the vertical width of the article A to be packed.

After the rapid discharge mechanism is adjusted to the optimum position as described above, and before the object A to be packed is carried into the upper surface of the table 13 of the packing machine 10, as shown in FIG. The pair of movable brackets 50, 50 of the mechanism are in the standby position on the loading side, and the pushing member 60 pivotally attached to each movable bracket 50 is in the closed position (P ₀ ) due to the biasing force of the coil spring 62. . When the object A to be packed is carried into the upper surface of the table 13, the carry-in conveyor 15 is driven to rotate, and the object A to be packed resists the urging force of the coil spring 62 and opens the pushing member 60 (P ₂ ). While pushing open, it is transferred to the unloading side.

As shown in FIG. 4, the rear end portions of the article A to be packed are transferred to the carry-out side from the leading edges of the pushing members 60 at the closed positions (P ₀ ) on both sides thereof, and at the same time, the pushing member 6 is pushed.
0 is disengaged from both sides of the object A to be packed, and the object A to be packed returns to the closed position (P ₀ ) again due to the restoring force of the coil spring 62, whereby the tip edge of the pushing member 60 has the object A to be packed A.
The upper and lower parts of the rear end portion are in contact with each other.

As shown in FIG. 1, when the object A to be packed is transferred by the carry-in conveyor 15 to the binding position directly below the band guide arch 14, the abutting mechanism 80 operates.
That is, the abutting plates 82 on both sides slide inward by the drive unit 81 so as to block the transfer of the objects A to be packed, and temporarily fix the objects A to be packed at the bundling position. It will be for positioning.

The aligning mechanism 90 also operates, and holding plates 92 and 9 connected to the cylinders 91 and 91 on both sides, respectively.
It drives so that 2 may contact the to-be-packaged object A. By the guide member 70 fixed to the pair of movable brackets 50, 50 of the quick discharge mechanism and the aligning mechanism 90, the left and right load shifts of the article A to be packed are aligned. On the other hand, when the objects A to be packed are bound by the band B that is circulated in the band guide arch 14, first, the abutting plates 8 on both sides of the abutting mechanism 80 are bound.
2, 82 are separated from the article A, and the holding plates 92, 92 on both sides of the aligning mechanism 90 are also separated from the article A.

After the objects A to be packed are bound, the drive means 40 of the carry-out mechanism moves each movable bracket 50 to the push-out position on the carry-out side. More specifically, as shown in FIG.
The drive rod 42 in the retracted state of the air cylinder 41 protrudes, and the two-stage pulley 45 pivotally supported by the pulley bracket 43 moves to the carry-out side.
The one end 48a of the pushing belt 48 that is stretched around is pulled, and the movable bracket 50 moves from the standby position to the pushing position. At this time, the movable bracket 50 moves twice as fast as the drive rod 42 at twice the speed.

By moving the movable bracket 50 to the extrusion position, the articles A to be packed on the conveyors 15 and 16 are pushed out to the unloading side while being pushed by the pushing member 60 above and below the rear ends thereof. As a result, the objects to be packed A after bundling are quickly sent to the unloading side of the table 13 by the quick discharge mechanism that cooperates with the unloading conveyor 16 on the upper surface of the table 13, so that the number of processed objects per unit time increases. However, the packing work efficiency is improved.

Even when the article A to be packed is, for example, a bundle of highly stacked newspapers, the article A to be packed is pinched from the left and right by the guide member 70 provided on the movable bracket 50, and the article to be packed A is also packed. Since the rear end of the package A is pushed up and down by the pushing member 60 provided on the movable bracket 50, even if the rotation speed of the carry-out conveyor 16 is increased,
The object A to be packed does not fall backward, the load A on the object A to be collapsed, and the packing appearance is not disturbed.

When the object A to be packed after binding is quickly sent to the unloading side of the table 13, a pair of movable brackets of the rapid ejection mechanism are provided so as to prepare for the object A to be newly transferred onto the table 13. The driving units 40 move the units 50 and 50 from the pushing position to the original standby position.
More specifically, the drive rod 42 in the protruding state of the air cylinder 41 is retracted, and the two-step pulley 45 pivotally supported by the pulley bracket 43 moves to the carry-in side. One end 47a of the pullback belt 47 is pulled, and the movable bracket 50 moves from the pushing position to the standby position at twice the speed of the drive rod 42.

[0034]

According to the packing machine of the present invention, the quick discharge mechanism is in contact with the upper and lower rear end portions of the bound objects to be packed, and the objects to be packed are held at their rear portions by the quick discharge mechanism. While being pushed out to the unloading side, even if the conveyor rotation speed is increased, the packed objects do not fall backward or the cargo collapses, and the packed objects are quickly and quickly carried out. Therefore, the packing work efficiency can be improved and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view showing a packing machine according to an embodiment of the present invention.

FIG. 2 is a front view showing a packing machine according to an embodiment of the present invention.

FIG. 3 is an enlarged front view showing a rapid ejection mechanism of the packaging machine according to the embodiment of the present invention.

FIG. 4 is a sectional view taken along line IV in FIG.

FIG. 5 is an enlarged plan view showing the driving means of the rapid ejection mechanism of the packaging machine according to the embodiment of the present invention.

FIG. 6 is a plan view showing a conventional packing machine.

[Explanation of symbols]

 A ... Object to be packed 10 ... Packing machine 13 ... Table 14 ... Band guide arch 24 ... Base bracket 30 ... Support bracket 40 ... Driving means 50 ... Movable bracket 60 ... Extrusion member 70 ... Guide member

Claims (3)

[Claims] 1. A top surface of a table is provided with a conveyer for transferring articles to be packed from a carry-in side to a carry-out side of the table, and a band guide arch standing upright so as to straddle the conveyer. When the object to be packed is transferred directly below, in a packing machine that binds the object to be packed with a band that circulates in a band guide arch, both sides of the conveyor on the upper surface of the table are transferred on the conveyor. After receiving the object to be packed while abutting against the object to be packed and spreading laterally, the band object is contacted over the upper and lower parts of the rear end while closing at the rear end side of the object to be packed,
In this state, the packaging machine is provided with a rapid ejection mechanism that moves the article to be ejected to the ejection side to cooperate with the conveyor to deliver the article to the ejection side of the table. 2. The rapid ejecting mechanism has movable brackets on both sides of the conveyor, which are movable by drive means to a standby position on the loading side and an pushing position on the unloading side along the transport direction, respectively. When the movable brackets are in the standby position, the movable brackets come into contact with the side portions of the articles to be pushed and spread to allow the articles to be packed to pass therethrough, and when the movable brackets move to the push-out position, the objects to be bundled are bundled. 2. The packing machine according to claim 1, wherein each movable bracket is provided with an extruding member that can be displaced so as to be in a closed state so as to be in contact with each other above and below the rear end of the package. 3. The packing machine according to claim 1, wherein each movable bracket is fixedly provided with a guide member for sandwiching an article to be packed sent out to an unloading side from both sides.