JPH09156603A - Goods boxing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To pack goods in a box body without falling them and automatically pack them in multistage through a bottom plate. SOLUTION: In a goods boxing machine, a box body stationary unit U1 is arranged at a connected section of a box body carry-in conveyor C1 and a box body carry-out conveyor C2 and a bottom plate supply unit U4 is provided. To the bottom of the machine, a box body B equipped with a plurality of insertion holes 2 is transferred by the box body carry-in conveyor C1 . The box body B is stationed in the box body stationary unit U1 . A plurality of goods support rods 32 which form an under-packing goods support unit U2 are inserted into the box body B through the insertion holes 2 of the box body B. A bottom plate P is supplied to the box body B by the bottom plate supply unit U4 so as to pack goods. Thereafter, the goods support rods 32 are lowered by a set length, and an operation for supplying the bottom plate P onto the goods under packing and an operation for packing the goods on a stage-by-stage basis in the box body B are repeated, so that packing position of the goods along the direction of the height of the box body B is made always constant and the goods A are automatically packed in the box body B in multistage through the bottom plate P.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article packing machine for packing articles in a box in multiple stages. More specifically, the present invention relates to an operation for supplying a floor board onto an article being packed. The present invention relates to an article boxing machine configured so that articles can be packed in a box body in multiple stages via a floor plate by repeating an operation of packing articles in the box body one step at a time.

[0002]

2. Description of the Related Art A conventional method for packing articles A into a box B'will be described with reference to FIGS. Normally,
The robot A is used to pack the articles A in the box B ′. However, as shown in FIG. 19, when the height of the box B ′ was high, the hand of the robot R did not reach the bottom plate of the box B ′, and the article A was dropped and jammed. Therefore, it is difficult to damage the article A, and it is difficult to align and pack the articles A.

For this reason, the articles A that cannot be dropped and the articles A that need to be aligned and packed have been manually packed by a worker. That is, as shown in FIG. 20, the worker aligned and packed the articles A conveyed from the conveyor C ′ into the box B ′ one by one. Then, when the article A is packed in the box B ′ in one step, the floorboard P is laid on the box B ′ and the article A is further packed in the upper surface of the box B ′ to pack the article A in multiple stages. But this method
Not only was the efficiency extremely low, but also the operator suffered because of the monotonous repetitive work.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems in the conventional packing operation of articles, and the operation of automatically packing articles in a box body in multiple stages via a floor plate can be automatically performed by a mechanical device. The task was to do so.

[0005]

According to the present invention for solving this problem, a box stationary unit is arranged at a connecting portion between a box carry-in conveyor and a box carry-out conveyor, and the box carry-in conveyor is connected to the box body. Transfer the boxes one by one to the stationary unit,
An article boxing machine having a configuration in which after the articles are packed in the box body, the box body in which the articles are packed is transferred to a box body carry-out conveyor and discharged, wherein the box body is placed in the box body placement unit. A floor board supply unit for supplying the floor boards one by one inside the body, and an article support which is disposed immediately below the box body stationary unit and has entered the box body from an empty space provided in the bottom plate of the box body. In the state in which the entire article being packed is supported by the tool through the bottom plate, the article support comprises a filling article supporting unit configured to descend by a set length, and a filling article supporting unit is provided. In the state in which the article supporting member constituting the uppermost end is located, a floor board for supporting the article at the lowermost stage is supplied into the box body by the floor board feeding unit to pack the articles, and then the article supporting tool is While lowering for the set length, during packing By repeating the operation of supplying the floor plate on the topmost article of the and the operation of packing the articles one by one in the box, the loading position of the articles along the height direction of the box is always constant. The article is characterized in that it is configured such that articles are packed in multiple layers in a box through a floor plate.

The box carried by the box carry-in conveyor is transferred to a box set unit connected to the front of the box and placed at a predetermined position. An article support unit in the middle of packing is disposed immediately below the box body unit, and an article supporter that constitutes the unit is provided in an empty space provided on the bottom plate of the box body that is placed directly above the article support unit. Enter the inside of the box from the place. By the floor plate supply unit, the floor plate is placed on the upper surface of the article support tool that has entered the box body, and the article is packed on the upper surface. When the articles are packed further, the article supporter descends by the set length together with the floor board and the articles packed on the upper surface thereof, and the floor board is placed on the upper surface of the article, and the articles of the next step are packed. Get caught. While lowering the article support by a set length, repeating the operation of supplying and placing the floor plate on the uppermost article in the middle of packing, and the operation of packing the article in the box one step at a time, Articles are packed into the box body in multiple stages via a floor plate. When articles are packed in the box by a predetermined number of steps, the article support is lowered with respect to the box and retracted, and then the box in which the articles are packed is transferred to the box carry-out conveyor and discharged. It

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail by way of examples. 1 to 11 show an article boxing machine according to the present invention. The overall configuration will be described with reference to FIG. Along the longitudinal direction of the frame 1, a box carry-in conveyor C ₁ for transferring the box B and a box carry-out conveyor C ₂ for carrying out the box B packed with the articles A are moved up and down and horizontally. It is arranged. A box stationary unit U ₁ is arranged in front of the box carry-in conveyor C ₁ and the box carry-out conveyor C ₂ . The unit U ₁ can be moved up and down, and the box carry-in conveyor C ₁ and the box carry-out conveyor C ₂ are connected via the unit U ₁ . That is, the box stationary unit U ₁ receives the box B from the box carry-in conveyor C ₁ and, after the box A is packed with the articles A, discharges the box B to the box carry-out conveyor C ₂ . It is possible.
An article support unit U _{2 in the} middle of packing is arranged further forward of the box stationary unit U ₁ . In box B, FIG.
As shown in FIG. 3, the bottom plate is provided with a plurality of insertion holes 2.

Above the box carry-in conveyor C ₁ , a floor board transfer conveyor C ₃ for transferring the floor board P is horizontally arranged along the longitudinal direction of the frame 1. In front of it, a floor plate stationary unit U ₃ is provided for temporarily stocking a plurality of floor plates P in an aligned state. A floor plate supply unit U ₄ is disposed above the floor plate transfer conveyor C ₃ and the floor plate stationary unit U ₃ . At first,
The construction of the floor plate supply unit U ₄ will be described. As shown in FIG. 2, a pair of first guide rails 3 are attached to the uppermost surface of the frame 1 along the longitudinal direction thereof at predetermined intervals. These first guide rails 3
The first base plate 4 is linearly movable and attached to the upper surface of the. Further, inside the pair of first guide rails 3, a first cylinder 5 is also attached along the longitudinal direction of the frame 1, and the tip portion of the rod 5a thereof is fixed to the first base plate 4. ing.

A second cylinder 6 is attached to the upper surface of the first base plate 4 along the longitudinal direction of the frame 1.
A second guide rail 7 is mounted above the second cylinder 6 along the longitudinal direction of the frame 1. A second base plate 8 is attached to the upper surface of the second guide rail 7 so as to be linearly movable. 2nd cylinder 6
The second base plate 8 and the second base plate 8 are connected via a bracket 9. By operating the first cylinder 5, the first base plate 4, the second cylinder 6 and the second base plate 8 integrally move forward or backward. Further, by operating the second cylinder 6, the second base plate 8 moves forward or backward with respect to the first base plate 4. That is, the first
By operating each of the second cylinders 5 and 6, the second base plate 8 advances or retracts in two steps.

As shown in FIGS. 1 and 3, the support plate 1 is attached to the front end of the second base plate 8 via a bracket 11.
2 are installed. An elevating cylinder 13 is vertically attached to a substantially central portion of the support plate 12, and a pair of guide shafts 1 are arranged on both sides of the elevating cylinder 13 in parallel with the cylinder 13.
4 are attached. Rod 13 of lifting cylinder 13
A plate 15 is attached to the lower end of a and the lower ends of the pair of guide shafts 14. The plate 15
A plurality of suction tools 16 are attached to the peripheral part of the so as to project downward. These suction tools 16 operate by negative air pressure. When a plurality of suction tools 16 are pressed against the uppermost surface of the floor plates P stacked in multiple stages and a negative air pressure is applied, the air pressure causes the top floor plates P to move to the respective suction tools 1.
Adsorbed on 6. When the elevating cylinder 13 is operated in this state, the uppermost floor plate P is adsorbed by each adsorption tool 16 and lifted. The floor plate P is carried directly above the floor plate stationary unit U ₃ by operating the first cylinder 5.

Next, the construction of the floorboard stationary unit U ₃ will be described. As shown in FIGS. 4 and 5, the floorboard stationary unit U ₃ has four fixed sides 17a and 1
It is constituted by being surrounded by one movable side plate 17b and two movable side plates 17c. The fixed side plate 17a is the frame 1
Is fixed to the upper surface of. The movable side plates 17b and 17c are below the movable side plates 17b and 17c, respectively.
It is attached to the tip of 8a. By operating the cylinders 18, the movable side plates 17b and 17c move in the directions of arrows 19b and 19c, respectively. A plurality of pins 21 are provided above each cylinder 18 so as to project upward. Decking P carried directly above the floor plate stationary unit U _3, by actuating the lifting cylinder 13 and a plurality of suckers 16, is placed over the plurality of pins 21 constituting the unit U _3. By repeating this operation, a plurality of floor plates P are placed and stacked above the plurality of pins 21 constituting the floor plate stationary unit U ₃ .
When a predetermined number of floorboards P are placed, the cylinders 18 simultaneously operate and the movable side plates 17b and 17c move in the directions of arrows 19b and 19c, respectively. As a result, the plurality of floorboards P in the stacked state are pressed against the inner side surface of the fixed side plate 17a and the inner side surfaces of the movable side plates 17b and 17c, so that the respective end surfaces are aligned and aligned. In this state, the plurality of floorboards P are placed in the floorboard placement unit U ₃ and temporarily stocked.

Next, the structure of the box stationary unit U ₁ will be described. As shown in FIGS. 6 to 8, a rotary shaft 23 is pivotally supported at both ends of the main body 22 that constitutes the box stationary unit U ₁ . Toothed pulleys 24 are attached to both ends in the longitudinal direction of each of the rotating shafts 23 and substantially central portions thereof by means of a key (not shown), and between the toothed pulleys 24 facing each other. The toothed belt 25 is wound around each. One rotating shaft 23
Further, another toothed pulley 26 is attached to an intermediate portion in the longitudinal direction of the same through a key (not shown). A toothed belt 29 is wound between the toothed pulley 26 and a toothed pulley 28 mounted on the motor shaft of a drive motor 27 mounted on the outer surface of the main body 22. A speed reducer 27a is attached to the drive motor 27 to reduce the speed to a predetermined number of revolutions.

When the drive motor 27 is operated, each rotary shaft 2
3 rotates, and each toothed belt 25 travels in a predetermined direction. A guide plate 31 is attached to the upper surface of the main body portion 22, and each of the toothed belts 25 described above travels around while the back surface thereof is guided by the upper surface of the guide plate 31. The box B transferred from the box carry-in conveyor C ₁ rides on the upper surface of each toothed belt 25 and is further moved forward by the belt 25. By rotating the drive motor 27 in the reverse direction, the box B packed with the articles A is transferred to the box unloading conveyor C ₂ by the toothed belt 25.
Furthermore, on the upper surface of the guide plate 31, a plurality of insertion holes 31a for inserting a plurality of article support rods 32 described later are provided. When the box body B is placed at a predetermined position of the box body placing unit U ₁ , the plurality of insertion holes 2 provided on the bottom plate of the box body B are directly above the plurality of insertion holes 31 a provided on the guide plate 31. Is located in.

The outer surface of the main body 22 to which the drive motor 27 is attached rises from the main body 22 and forms a stop plate 33. The box B transferred by each toothed belt 25 comes into contact with the stop plate 33 and stops. Further, a pair of cylinders 34 are attached to the bottom surface of the main body portion 22 so as to face each other along the longitudinal direction of each rotary shaft 23. A guide plate 35 is attached to the tip of each rod 34a of each cylinder 34. Since the ends of the guide plates 35 on the side connected to the box carry-in conveyor C ₁ are expanded outward, the boxes transferred from the box carry-in conveyor C ₁ to the box stationary unit U ₁ B
Are more reliably guided in these parts. After the box B comes into contact with the stop plate 33, each cylinder 34 operates and each guide plate 35 moves inward to press both side surfaces of the box B. That is, the box B includes the stop plate 33 and the guide plates 3
Placed with 5.

Main body 2 constituting the box stationary unit U _1.
2 is attached to a cylinder 36 arranged along the vertical surface of the frame 1, and the cylinder 36 is provided on both sides of the cylinder 36.
A pair of guide shafts 37 are arranged in parallel with the. By operating the cylinder 36, the main body 2
2 goes up and down. When the main body portion 22 moves to the upper end, the upper surface of the main body portion 22 and the upper surface of the box carry-in conveyor C ₁ become substantially at the same height, and when the main body portion 22 moves to the lower end, the upper surface and the box body carry-out conveyor C ₂ And the upper surface of the same height. Further, the gaps between the box body carry-in conveyor C ₁ and the box body carry-out conveyor C ₂ and the connecting portions of the main body 22 are made as small as possible so that the box body B can be smoothly transferred.

Next, the construction of the article support unit U ₂ during filling will be described. As shown in FIGS. 9 to 11, a pair of guide rails 39 are vertically attached at a predetermined interval on the front surface of the frame 38 that constitutes the halfway article supporting unit U ₂ . Further, a ball screw 41 is vertically supported between the guide rails 39 in parallel with the guide rails 39. A lifting arm 42 is attached to a nut 41 a screwed to the ball screw 41. Also, the upper end of the ball screw 41 is
It projects upward from a plate 38a provided on the upper end surface of the frame 38, and a gear 43 is attached to this portion. A drive motor 44 is mounted inside the frame 38 along the longitudinal direction (vertical direction) of the frame 38. The motor shaft projects upward from a plate 38a provided on the upper end surface of the frame 38, and a gear 45 is attached to this portion. This gear 45
When the gear 43 is meshed with the gear 43 attached to the motor shaft of the drive motor 44 and the drive motor 44 is operated, the gear 4
The ball screw 41 rotates through 3, 45, and the elevating arm 42 moves up or down.

The frame 1 is attached to one end of the lifting arm 42.
An elevating base 46 is attached along the longitudinal direction of the. That is, the elevating arm 42 has a pair of guide rails 39 arranged at one end as a fulcrum, and is supported in a cantilever state by using the weight of the elevating base 46 attached to the other end as a load. Therefore, on the side surface of the frame 38 on the side where the elevating base 46 is attached, an urging cylinder 47 for attaching auxiliary power to the elevating arm 42 when it is moved up and down is attached. The urging cylinder 47 is operated by pneumatic pressure, and the pneumatic pressure always acts in a direction of raising the elevating arm 42. When the drive motor 44 is operated to raise the lifting arm 42, the urging cylinder 4
Since the pneumatic pressure of 7 acts as an auxiliary power for raising the arm 42, the load on the drive motor 44 is reduced, and the capacity of the motor 44 can be reduced. In addition, the weight of the lifting base 46 causes the lifting arm 42 to move.
The load acting on one end of the arm 42 serves to maintain the balance of the lifting arm 42 and move the arm 42 horizontally. Therefore, a plurality of article support bars 32 arranged in front of the elevating base 46, which will be described later, ascend or descend while maintaining a horizontal state with respect to the floor plate P placed on the upper end surface thereof.

A guide rail 48 and a cylinder 49 are attached to the upper surface of the elevating base 46 along the longitudinal direction thereof. A base plate 51 is fixedly mounted on the upper surface of the guide rail 48, and a mounting plate 52 is horizontally attached to the tip of the guide rail 48 along the base plate 51. A plurality of article support bars 32 are erected on the periphery of the placing plate 52.
When the cylinder 49 is operated, the mounting plate 52 moves forward or backward with respect to the elevating base 46. Box stationary unit U ₁
When the placing plate 52 is moved forward while the main body portion 22 constituting the above is positioned at the upper end, the plurality of article support rods 32 enter directly below the box body B placed in the box body placing unit U ₁ , and , The article support rods 32 are provided immediately below the plurality of insertion holes 2 provided in the bottom plate of the box B and the plurality of insertion holes 31a provided in the guide plate 31 corresponding to the insertion holes 2. Is located. When the drive motor 44 is operated in this state to raise the elevating arm 42, the article support rods 32 pass through the insertion holes 2 and 31a and enter the inside of the box B.

Next, the operation of the article boxing machine according to the present invention will be described. As shown in FIG. 12, a large number of floorboards P are stacked and transferred forward by the floorboard transfer conveyor C ₃ . The first and second cylinders 5 and 6 are actuated to retract the respective rods, and the plurality of suction members 16 are positioned immediately above the stacked floor plates P, as shown by the alternate long and short dash line in FIG. Then, the elevating cylinder 13 is operated to lower the rod, and the plurality of suction tools 16 are placed on the top plate P.
Pressed against the upper surface of. Then, a negative pneumatic pressure is applied to each suction tool 16 and the top floor board P is suctioned to each suction tool 16.

When each suction tool 16 sucks the floor plate P, the elevating cylinder 13 operates to lift the suctioned floor plate P. Then, the 1st cylinder 5 operates and carries the adsorbed floorboard P forward. At this time, the floor plate stationary unit U ₃ is located directly below the attracted floor plate P. The lifting cylinder 13 operates to lower the rod thereof, and the floor plate P is positioned directly above the plurality of pins 21 forming the floor plate stationary unit U ₃ . When the negative pneumatic pressure acting on each suction tool 16 is released, the floor plate P moves away from each suction tool 16 and is placed on the upper end surfaces of the plurality of pins 21 constituting the floor plate stationary unit U _3. It When the above-described operation is repeated and a predetermined number of floor plates P are placed and stacked on the upper end surfaces of the plurality of pins 21, each cylinder 18 operates and the plurality of movable side plates 17b.
Move, and the stacked floor plates P are pressed against the fixed side plate 17a and set in place. These floor boards P are temporarily stocked in the floor board stationary unit U ₃ in this state.

The box B is conveyed by the box carry-in conveyor C ₁ .
It is conveyed forward from the rear end of the frame 1. When the box B is conveyed, the main body 2 that constitutes the box stationary unit U ₁
2 rises, the upper surface of the box carry-in conveyor C ₁ and the main body 22
And the upper surface of the same have almost the same height. At the same time, the drive motor 27 operates and the plurality of toothed belts 25 travel around. When the box B is conveyed further forward by the box carry-in conveyor C ₁ , and the front part of the box B rides on the upper surfaces of the plurality of toothed belts 25 of the box stationary unit U ₁ , the box B is While being guided by the guide plates 35 on both side surfaces thereof, they are transported further forward by the plurality of toothed belts 25 and abut on the stop plates 33 to stop. When the box B is stopped, the cylinders 34 are actuated and the guide plates 35 are pressed against both side surfaces of the box B, so that the box B is placed in the box stationary unit U.
Placed in place of ₁ .

As shown in FIGS. 13 and 14, when the box body B is placed in a predetermined position of the box body placing unit U ₁ , the cylinder 49 which constitutes the article supporting unit U _{2 in the} middle of loading operates. The mounting plate 52 and the plurality of article support rods 32 enter immediately below the box B. Further, the drive motor 44 operates to raise the placing plate 52 and the plurality of article support bars 32. Each of the article support rods 32 passes through the plurality of insertion holes 2 provided in the bottom plate of the box B and the plurality of insertion holes 31a of the guide plate 31, and rises to a predetermined height.

The plurality of suction tools 16 constituting the floor board supply unit U ₄ suction and lift the uppermost one of the plurality of floor boards P stacked on the floor board stationary unit U ₃ .
The second cylinder 6 is operated, and the floor plate P thus attracted is positioned directly above the box body B placed in the box body placing unit U ₁ .
After operating the elevating cylinder 13 and each suction tool 16 to place the floorboard P on the upper end surfaces of the plurality of article support rods 32 inserted in the box B, the elevating cylinder 13 and the second cylinder 6 are placed. It is operated to retract each suction tool 16 from immediately above the box B. In this state, the box A is sequentially packed with the articles A by a robot hand (not shown). That is, the article A in the middle of being packed is supported by the plurality of article support bars 32 via the floor plate P. Since the top board P is always supported at a fixed position above the box B by the plurality of article support rods 32, the packing position of the articles A along the height direction of the box B is always constant. is there. Since the height from the upper end surface of the box B to this packing position can be made sufficiently small, it is not necessary to move the robot hand vertically.
Interference between the side plate at the opening of the box B and the hand can be avoided.
Therefore, the articles A can be aligned and packed without dropping the articles A and controlling the movement of the hand of the robot. Further, since the floorboard P supplied first is placed on the bottom of the box B, the article A does not drop through the plurality of insertion holes 2 provided in the bottom plate of the box B.

When the article A is packed on the upper surface of the floor plate P by one step, the drive motor 44 constituting the article supporting unit U _{2 in the} middle of the packing is actuated to descend the plurality of article supporting rods 32 by a preset amount. Let By using a servo motor as the drive motor 44, the descending amounts of the plurality of article support bars 32 can be freely set, and various articles A having different shapes can be dealt with. The second cylinder 6, the lifting cylinder 13, and each suction tool 16 constituting the floor board supply unit U ₄ are operated to supply the floor board P to the box body B again.
The floor plate P is placed on the upper surface of the article A that is further packed. By repeating the above-described operation, the floorboard P and the article A are alternately packed and stacked in multiple stages.

As shown in FIG. 15, when the uppermost article A is packed in the box B, the floorboard P is placed on the uppermost article A. This floor plate P, which is finally placed, serves as a lid for the box body B. After that, as shown in FIG. 16, the drive motor 44 and the cylinder 49 which constitute the article support unit U _{2 in the} middle of the operation are operated, and the mounting plate 52, the plurality of article support rods 32, and the article A are Evacuate from just below the packed box B. Then, the main body 22 constituting the box stationary unit U ₁ descends together with the box B, and the upper surface of the main body 22 becomes substantially the same height as the upper surface of the box carry-out conveyor C ₂ . The plurality of toothed belts 25 run in the opposite direction to the above, and the box B is transferred to the upper surface of the box unloading conveyor C ₂ and discharged.

In this embodiment, as shown in FIG.
A plurality of insertion holes 2 are provided on the bottom plate of the box B, and a plurality of article support rods 3 provided on the placement plate 52 are provided in each insertion hole 2.
2 has been inserted, and the article support rods 32 have been described in the form of supporting the article A in the middle of packing via the floor plate P, but a vacant space provided in the bottom plate of the box B (in the case of the present embodiment, An article support tool (in the case of the present embodiment, entered from a plurality of insertion holes 2)
It is necessary that a plurality of article support rods 32) support the article A in the middle of packing via the floor plate P, and the space and the article support tool may have any shape. FIG. 18 shows a box B ₁ and an article support having different shapes. The bottom of the box B ₁ has a bottom plate left only in the peripheral portion thereof, and a large space 53 is formed in the center thereof. A rod 54 is erected at a substantially central portion of a front portion of a placing plate 52 which constitutes the article supporting unit U ₂ during stuffing, and the upper end of the rod 54 can be inserted into the space 53. The support plate 55 is horizontally fixed. By operating the drive motor 44 that constitutes the article supporting unit U _{2 in the} middle of packing, the supporting plate 55 rises, and the article A is supported on the upper surface of the supporting plate 55 via the floor plate P. Floor board P supplied inside box B ₁
Is larger than the space 53, the article A does not drop from the space 53.

Further, in the above-mentioned embodiment, the box carry-in conveyor C ₁ and the box carry-out conveyor C ₂ are arranged vertically so that the box stationary unit U ₁ can be moved up and down at the connecting portion at one end thereof. The product support unit U
_{In addition} to the fact that the plurality of article support rods 32 constituting ₂ can enter and retract directly below the box stationary unit U ₁ , the area occupied by each conveyor C _1, C ₂ can be reduced. Since the loading and unloading directions of the box B are opposite to each other, there is an advantage that the empty box and the box B packed with articles can be handled at one place. The arrangement configuration of each unit constituting the above is not limited to this.
For example, the main body part 22 of the box stationary unit U ₁ is connected to the connection part between the box carry-in conveyor C ₁ and the box carry-out conveyor C ₂ which are arranged at the same height on a straight line or at a predetermined angle. It is arranged in a fixed state (a state where it does not move up and down),
It is also possible to dispose the article supporter constituting the halfway loading article support unit U ₂ so that it can be moved up and down immediately below the fixed box body stationary unit U ₁ .

[0028]

EFFECTS OF THE INVENTION Since the article boxing machine according to the present invention has the above-mentioned configuration, the work of packing articles in multiple stages in the box body via the floor plate can be automatically performed by the mechanical device. . In addition, the top board is always supported at a fixed position above the box by the article support, so the loading position of the articles along the height direction of the box is always constant, and the robot hand moves the box. This eliminates the problem of dropping and packing articles because they do not reach the bottom of the body. Further, since the robot hand only needs to move in the XY directions (two horizontal directions orthogonal to each other) when the articles are packed, the robot operation program is simplified and the work efficiency is improved. Further, the article cartoning machine according to the present invention includes, in addition to the floor board supply unit, a box carry-in conveyer and a box body carry-out conveyor, so that the article packing operation and the floor board supply operation, and the box body Carry-in and carry-out work can be performed automatically, and unmanned operation at night is also possible.

[Brief description of the drawings]

FIG. 1 is a side view of an article boxing machine according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a view on arrow X in FIG.

FIG. 4 is a cross-sectional view of a floorboard stationary unit U ₃ .

FIG. 5 is a plan view of the same.

FIG. 6 is a plan view of a box stationary unit U ₁ .

FIG. 7 is a side view of the same.

FIG. 8 is a view on arrow Y of FIG.

FIG. 9 is a side view of the article support unit U ₂ during filling.

FIG. 10 is a plan view of the same.

FIG. 11 is a front view of the same.

FIG. 12 is an operation explanatory view of the present invention mainly showing conveyance of the floor plate P.

FIG. 13 is an operation explanatory view mainly showing a state in which the bottom floor board P is supplied into the box body B.

FIG. 14 is an operation explanatory view showing a state in which the articles A are packed in the box B through the floor plate P in multiple stages.

FIG. 15 is an operation explanatory view showing a state in which the article support bar 32 is retracted right below the box B in which articles have been packed.

FIG. 16 is an operation explanatory view showing a state in which the box B packed with articles is transferred to the box unloading conveyor C ₂ .

FIG. 17 is a perspective view of a box B and an article support used for implementing the present invention.

FIG. 18 is a perspective view of another box B ₁ and another article support tool of the same.

FIG. 19 is a diagram showing a method of packing articles A into a box B ′ by the robot R.

FIG. 20 is a diagram showing a method of manually packing articles A into a box B ′ via a floor plate P.

[Explanation of symbols]

A: Goods B _1, B: Box C ₁ : Box carry-in conveyer C ₂ : Box carry-out conveyer P: Floor board U ₁ : Box stationary unit U ₂ : Packing intermediate product support unit U ₃ : Floor stationary unit U ₄ : Floor board supply unit 2: Insertion hole (vacant space) 32: Article support rod (article support) 39: Guide rail (elevating means) 41: Ball screw (elevating means) 42: Elevating arm 44: Drive motor (elevating means) ) 47: Energizing cylinder 53: Space part (vacant space) 54: Bar 55: Support plate (article support)

Claims (5)

[Claims] 1. A box stationary unit is disposed at a connecting portion between the box carry-in conveyor and the box carry-out conveyor, and the boxes are transferred from the box carry-in conveyor to the box stationary unit one by one, and the box is transferred. After packing the articles in the body, an article boxing machine configured to transfer the box in which the articles are packed to a box carry-out conveyor and discharge the box, wherein the box is placed in the box placement unit. A floor board supply unit for supplying the floor boards one by one inside, and an article supporter that is arranged immediately below the box body stationary unit and has entered the box body from a void provided in the bottom plate of the box body. A filling-in-progress article support unit is provided, which comprises a filling-in-progress article support unit in which the article support tool descends by a set length in a state of supporting the entire article in the middle of filling through the bottom floor plate. When the article support is at the rising end, And after the bottom plate for supporting the article at the bottom is supplied into the box body by the floor plate supply unit and the articles are packed, the article support is lowered by a set length, and the top step in the middle of packing is performed. By repeating the operation of supplying the floor board on the article and the operation of stuffing the article into the box body one step at a time, the stuffing position of the article along the height direction of the box body is always constant, and the box body An article boxing machine, characterized in that articles are packed in multiple stages via floor plates. 2. A box carry-in conveyor and a box carry-out conveyor are arranged one above the other, and a box stationary unit is provided at one end of each conveyor so as to be able to move up and down, and also supports articles during packing. 2. The article boxing machine according to claim 1, wherein the article supporter constituting the unit can enter and retract immediately below the box stationary unit located at the rising end. 3. An article supporter which constitutes an article support unit during stuffing is attached to one end of an elevation arm which constitutes the unit in a cantilever state, and an elevation means for raising and lowering the elevation arm and an article support. An urging cylinder for urging the lifting arm constantly upward is disposed between the tool and the tool.
While shortening the length of the cantilever part of the lifting arm,
The article packing machine according to claim 1 or 2, wherein a load of the elevating means is reduced. 4. The article support tool constituting the halfway article support unit is composed of a plurality of rods, and the bottom plate of the box is provided with an insertion hole through which the rods can be inserted. The article packaging machine according to any one of claims 1 to 3, wherein: 5. The article support tool which constitutes the article support unit in the middle of packing has a configuration in which a support plate is horizontally fixed to the upper end of one rod body, and the peripheral portion is provided at the bottom of the box body. The article packing machine according to any one of claims 1 to 3, wherein a bottom plate is left only at the bottom, and a central portion of the bottom plate is a space into which the support plate can be inserted.