JP2004314974A - Casing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a casing apparatus which can stably transfer articles to be cased and can improve a throughput of the articles. <P>SOLUTION: The casing apparatus includes an arrangement conveyer 2 having a group of fins 13 provided with such intervals capable of receiving articles on an endless conveyance path 12 to cause each fin 13 to receive the article when it comes to an article receiving position of an arcuate inverting part 12c of the conveyance path 12, a first servo motor for driving the conveyer 2, and a controller for controlling the driving of the first servo motor 22. The controller accelerates the first servo motor not to exceed a first set speed after the fin 13 at the tail end receives the article at the article receiving position and accelerates the first servo motor with a larger acceleration than that for accelerating it not to exceed the first set speed when the fin 13 at the tail end reaches the vicinity of a return path 12b. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a box packing device that automatically and neatly accommodates an article packed with a bag or a box of food such as potato chips, beans, candy and the like in an outer box such as a cardboard case or a dozen boxes.
[0002]
[Prior art]
2. Description of the Related Art As a conventional box packing device, there is a device that the applicant of the present application has filed before (for example, see Patent Document 1). As shown in FIGS. 6 to 8, the box packing device includes an alignment conveyor 2 for aligning bag-packed products 1 at predetermined intervals in a conveying direction (arrow X direction in FIG. 6). 1, an extruding plate 4 for extruding the bagged articles 1 aligned by the aligning conveyor 2 toward the side of the aligning conveyor 2 (in the direction of the arrow Y in FIG. 6), and extruded by the extruding plate 4. A pair of holding plates 5 and 5 for holding the packed bag 1 sandwiched from both sides thereof and holding the packed bag 1 held by the holding plates 5 and 5 downward (arrow Z direction in FIG. 8). A lifting plate 8 for placing a cardboard case (exterior box) 6 in a vertical direction (arrow Z direction in FIG. 7), and carrying the cardboard case 6 to the lifting device 8; Comprises a box input conveyor 9, a box unloading device 10 for unloading the cardboard case 6 bagged product 1 is accommodated, and a control unit for controlling operations (not shown).
[0003]
As shown in FIG. 9, the alignment conveyor 2 includes an endless transport path 12 having an arc-shaped reversing section 12c from the lower return section 12a to the upper horizontal forward section 12b. The endless transport path 12 is provided with a large number of fins 13 for aligning the packaged articles 1 transported by the article introduction conveyor 3. A plurality of gap portions 14 are formed between these fins 13. The plurality of fins 13 are radially spread at the arc-shaped inverting portion 12c of the alignment conveyor 2. Then, when each fin 13 comes to the article receiving position of the arc-shaped inverting portion 12c, the bagged product 1 introduced from the article introduction conveyor 3 slides into the gap portion 14 between the fins 13 from the tip of each fin 13. It has become. An article receiving position sensor 15 for detecting that the bagged product 1 is stored in the gap section 14 from the article introducing conveyor 3 is provided in the arc-shaped inverted portion (article receiving position) 12c.
[0004]
The alignment conveyor 2 is stopped when each fin 13 comes to the article receiving position. Then, the alignment conveyor 2 runs again when the article receiving position sensor 15 detects that the bagged product 1 is stored in each gap portion 14. This operation is repeatedly performed, and the bagged product 1 is stored in the entire gap portion 14. During this time, the alignment conveyor 2 runs intermittently. After receiving the predetermined number of bagged items 1, that is, after the last fin 13 receives the bagged items 1, the alignment conveyor 2 is accelerated to a predetermined speed α as shown in FIG. The vehicle travels in a predetermined section at a predetermined speed α. Thereafter, the alignment conveyor 2 is decelerated and stops at the position where the bagged product 1 is extruded (article extrusion position).
[0005]
On the other hand, as shown in FIGS. 6 to 8, the pushing plate 4 has a slit 4 a for avoiding interference with the fin 13. The extruding plate 4 is configured to extrude the aligned bagged products 1 on the aligning conveyor 2 to the side and supply the bagged products 1 to the openable and closable damper plates 17, 17 via a U-shaped resilient body 16. Have been. When the push-out plate 4 pushes the bagged articles 1 to a stop position on the damper plates 17 and 17 by a predetermined quantity, the aligning conveyor 2 does not interfere with the next bagged article 1 being aligned on the aligning conveyor 2. Is configured to slide back in the direction opposite to the pushing direction, return to the original position (standby position), and wait at that position until the start of the next pushing operation.
[0006]
As shown in FIG. 11, when the extruding plate 4 moves from the standby position to the stop position on the damper plates 17, 17, it first starts moving from the standby position and is accelerated to a predetermined speed β. At this time, the pushing plate 4 comes into contact with the bagged product 1 during acceleration. This position is called a contact position. After the extruding plate 4 comes into contact with the bag 1, the pushing plate 4 is further accelerated to a predetermined speed β. Then, after reaching the predetermined speed β, the pushing plate 4 runs at this speed β. Thereafter, the pushing plate 4 is decelerated, and stops at a stop position on the damper plates 17, 17.
[0007]
[Patent Document 1]
JP-A-2000-6910 (page 2-3, FIG. 3-5)
[0008]
[Problems to be solved by the invention]
However, in the conventional box packing device, as shown in FIG. 10, after the last fin 13 receives the packaged product 1, the alignment conveyor 2 is accelerated at a substantially constant acceleration to a predetermined speed α. Thereby, the bagged product 1 in the gap portion 14 is accelerated on the arc-shaped inverting portion 12c of the alignment conveyor 2 toward the outward path portion 12b. At this time, a large centrifugal force (which is approximately proportional to the square of the speed of the alignment conveyor 2) acts on the bagged product 1 in the gap portion 14 as it approaches the outward path portion 12b, and the bagged product 1 dances or jumps. Or jump out. In order to cope with this, it is necessary to reduce the speed α1 of the alignment conveyor 2 when the rearmost fin 13 reaches the forward path portion 12b. Conventionally, the speed is reduced by lowering the predetermined speed α. Therefore, there is a problem that the processing capacity of the box packing device is reduced.
[0009]
Further, in the conventional box packing apparatus, as shown in FIG. 11, since the pushing plate 4 is accelerated to a predetermined speed β at a substantially constant acceleration, the pushing plate 4 collides with the article at a relatively high speed β1. As a result, an impact was applied to the bagged product 1 and the bagged product 1 might fall in the extrusion direction. This tendency was particularly remarkable when the position of the center of gravity of the bagged product 1 was high. In order to cope with this, it is necessary to reduce the speed β1 at the time when the extrusion plate 4 collides with the bagged product 1. Conventionally, the speed is reduced by lowering the predetermined speed β. Therefore, there is a problem that the processing capacity of the box packing device is reduced.
[0010]
The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a box packing apparatus capable of stably transferring articles to be boxed and improving the processing capacity of the articles. I do.
[0011]
[Means for Solving the Problems]
Therefore, a box packing device according to the present invention provides an endless transport path having an arc-shaped inverting portion between a lower return section and an upper outward section, and articles in a direction in which articles are transported on the endless transport path. A group of partition members provided at intervals capable of accommodating the same, and a transport device configured to receive an article when each partition member reaches the article receiving position of the arc-shaped inversion portion, and to drive the transport device A first driving device; and a control device for controlling the driving of the first driving device. The control device controls the first driving device in advance after the rearmost partition member receives the article at the article receiving position. Accelerate so as not to exceed the set first set speed, and to accelerate with a larger acceleration when accelerating the first drive device so as not to exceed the first set speed when the rearmost partition member reaches the vicinity of the forward path. It is not configured to .
[0012]
According to this configuration, the first drive device is accelerated so that the rearmost partition member does not exceed the first set speed from the article receiving position to the vicinity of the outward path, so that the first set speed is appropriately set. Thereby, it is possible to prevent the articles stored between the partition members from dancing or jumping out due to centrifugal force or the like. Thereby, the articles to be packed can be stably transferred.
[0013]
In addition, when the rearmost partition member reaches the vicinity of the outward path, the first drive device is accelerated at a larger acceleration than when the first drive device is accelerated so as not to exceed the first set speed. Accordingly, the first driving device can be accelerated to a predetermined speed in a short time, and a group of fins can run at a predetermined speed at the predetermined speed. In addition, the predetermined speed can be set to a speed higher than the conventional speed. Conventionally, since a group of partition members are accelerated at a substantially constant acceleration to the above-mentioned predetermined speed after receiving a predetermined number of articles, the articles housed between the partition members dance due to centrifugal force or the like. Although it was necessary to set the predetermined speed relatively low so as not to jump out or jump out, in the present invention, the traveling conditions of a group of partition members on the outward path, and the rearmost This is because the traveling conditions of the group of partition members from the point to the vicinity of the outward path can be independently set, and this is no longer necessary. In addition to this, since the section in which the group of partition members travels at the predetermined speed after the last partition member reaches the vicinity of the forward path is longer than the section from the article receiving position to the vicinity of the forward path, The time required for a group of partition members to travel through both sections can be reduced. This makes it possible to improve the processing ability of the box packing device for processing articles.
[0014]
Further, the boxing device according to the present invention is a transport device for transporting articles, an extruding member for moving across the transport device and extruding the articles to the side of the transport device, and an extruding member. An extruding device having a second driving device for driving, and a control device for controlling the driving of the second driving device, the control device controlling the second driving after the transport device stops at the position at the article extrusion position. The apparatus is accelerated so as not to exceed a second set speed set in advance, and when the extruding member reaches a predetermined position separated by a predetermined distance in the article pushing direction from a position where the pushing member comes into contact with the article, the second driving device is moved to the second set speed. When the acceleration is performed so as not to exceed, the acceleration is made larger.
[0015]
According to this configuration, the second driving device is accelerated so as not to exceed the second set speed until the push member reaches the predetermined position. By appropriately setting the second set speed, the push member is attached to the article. It is possible to prevent the article from being pushed down when contacted. Thereby, the articles to be packed can be stably transferred. The predetermined position is set in advance by an experiment or the like.
[0016]
Further, when the pushing member reaches the predetermined position, the second driving device is accelerated to a larger acceleration than when the second driving device is accelerated so as not to exceed the second set speed. The driving device can be accelerated to a predetermined speed in a short time, and the article can be pushed at a predetermined speed at the predetermined speed. In addition, the predetermined speed can be set to a speed higher than the conventional speed. Conventionally, since the extruding member is accelerated at a constant acceleration up to the predetermined speed after the transport device stops at the article extruding position, the predetermined value is set so as not to push down the article when the extruding member comes into contact with the article. Although it was necessary to set the speed relatively low, in the present invention, the running conditions of the section where the extruding member travels at the predetermined speed, and the running conditions of the section from the start of the movement of the pushing member to the predetermined position. This is because the conditions can be set independently of each other, which eliminates the necessity. In addition, since the section in which the pushing member travels at the predetermined speed is longer than the section from the start of movement to the predetermined position, the time required for the pushing member to travel through both sections is reduced. It becomes possible. This makes it possible to improve the processing ability of the box packing device for processing articles.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of a box packing device according to the present invention will be described with reference to the drawings. The difference between the box packing apparatus according to this embodiment and the conventional box packing apparatus described with reference to FIGS. 6 to 11 is that the last fin 13 of the group transfers the bagged articles 1 from the article introduction conveyor 3. After being received, the vehicle is accelerated so as not to exceed a predetermined speed until reaching the forward path portion 12b of the alignment conveyor 2 and becomes substantially upright, and then accelerated to a predetermined speed at a larger acceleration than before. The extrusion plate 4 is accelerated so as not to exceed a predetermined speed from a position in contact with the bagged product 1 to a predetermined position separated from the bagged product 1 by a predetermined distance in the article extrusion direction, and then accelerated to a predetermined speed at a higher acceleration than before. It is being configured to be accelerated. Therefore, the same reference numerals are given to the same components as those of the conventional box packing device shown in FIGS. 6 to 11, and the detailed description is omitted. The details will be described below.
[0018]
FIG. 1 is a diagram showing the relationship between the traveling speed of the alignment conveyor and the position of the last fin on the alignment conveyor. FIG. 2 is a diagram illustrating the relationship between the speed and the position of the extrusion plate. FIG. 3 is a block diagram showing a configuration of a control system of the box packing device according to the embodiment of the present invention. FIG. 4 is a control flow chart of the alignment conveyor. FIG. 5 is a control flowchart of the extrusion plate.
[0019]
First, the operation of the alignment conveyor 2 will be described with reference to FIGS.
[0020]
In FIG. 1, reference numeral L1 indicates an operation pattern of the present embodiment, and reference numeral L2 indicates a conventional operation pattern. The vertical axis in FIG. 1 indicates the traveling speed of the alignment conveyor 2, and the horizontal axis indicates the position of the last fin 13 on the alignment conveyor 2. As shown in FIG. 9, the article receiving position in FIG. 1 is on the discharge side of the bagged product 1 of the article introduction conveyor 3, and a group of fins 13 is radially formed on the arc-shaped inverted portion 12 c of the alignment conveyor 2. This is a position where the bagged product 1 is spread and received from the article introduction conveyor 3. The acceleration position in FIG. 1 is a position where the rearmost fin 13 reaches the forward path portion 12b of the alignment conveyor 2 and is in a substantially upright state. 1 are aligned so that the extrusion plate 4 can push the bagged product 1 in the gap 14 between the fins 13 across the alignment conveyor 2 (in the direction of the arrow Y in FIG. 6). This is a position where a group of fins 13 on the conveyor 2 is stopped. The deceleration position in FIG. 1 is a position at which the alignment conveyor 2 is decelerated to stop the group of fins 13 at the article pushing position. These positions are set in advance by experiments and the like.
[0021]
As shown by the operation pattern L1 in FIG. 1, first, after the rearmost fin 13 receives the bagged product 1 at the article receiving position, the alignment conveyor 2 is accelerated to the traveling speed α2 at the acceleration γ2. After the traveling speed of the alignment conveyor 2 becomes α2, the alignment conveyor 2 runs at a substantially constant traveling speed (α2). The traveling speed α2 is set so that the bagged product 1 in the gap portion 14 between the fins 13 does not dance or jump out due to centrifugal force or the like when the group of fins 13 travels along the arc-shaped inverted portion 12c of the alignment conveyor 2. Is set in advance by an experiment or the like. Thereby, it is possible to prevent the alignment conveyor 2 from traveling at a speed exceeding the traveling speed α2 while the last fin 13 is in the middle of the position from the article receiving position to the acceleration position, as in the conventional operation pattern L2 in FIG. . As a result, it is possible to prevent the bagged product 1 in the gap portion 14 between the fins 13 from dancing or jumping out due to centrifugal force or the like. Note that, here, after the alignment conveyor 2 is accelerated to the traveling speed α2, the traveling is performed at a substantially constant traveling speed to the next acceleration position, but the invention is not limited to this. That is, it is only necessary that the traveling speed of the alignment conveyor 2 does not exceed the traveling speed α2 set in advance.
[0022]
When the rearmost fin 13 reaches the acceleration position, the alignment conveyor 2 is accelerated to the running speed α3 at the acceleration γ3. After the traveling speed of the alignment conveyor 2 becomes α3, the alignment conveyor 2 runs at a substantially constant traveling speed (α3). After the last fin 13 reaches the acceleration position, that is, after reaching the outward path 12b, the group of fins 13 travels linearly in the horizontal direction (see FIG. 9). Therefore, no centrifugal force acts on the bagged product 1 in the gap portion 14 between the fins 13. Further, at this time, the fins 13 are arranged substantially in parallel at predetermined intervals in the traveling direction of the alignment conveyor 2 (the direction of the arrow X in FIG. 6), so that the fins 13 are located in the front-back direction of the bagged product 1 in the traveling direction. It will be in a state of being pinched from. As a result, the packed product 1 in the gap portion 14 between the fins 13 does not dance or jump out. Thereby, the acceleration γ3 and the traveling speed α3 of the sorting conveyor 2 shown in FIG. 1 can be set to be larger than the acceleration γ2 and the traveling speed α2 from the article receiving position to the acceleration position. Specifically, for example, while the acceleration γ2 = 0.3 (G: gravity acceleration) and the traveling speed α2 = 600 mm / sec, the acceleration γ3 = 1.12 (G) and the traveling speed α3 = 1830 mm / sec are set. can do.
[0023]
Further, as shown in FIG. 1, the traveling speed α3 can be set higher than the traveling speed α of the conventional alignment conveyor 2 (specifically, 1050 mm / sec). This is because the running conditions (running speed, acceleration) of the alignment conveyor 2 after the last fin 13 reaches the acceleration position, and the alignment conveyor 2 until the last fin 13 reaches the acceleration position from the article receiving position. This is because the running conditions can be set independently of each other. Thus, the time required for the group of fins 13 to travel from the acceleration position to the deceleration position can be significantly reduced.
[0024]
When the group of fins 13 reaches the deceleration position, the alignment conveyor 2 decelerates at the acceleration γ4. Then, the alignment conveyor 2 stops when the group of fins 13 reaches the article pushing position.
[0025]
Next, the operation of the pushing plate 4 will be described with reference to FIGS. In FIG. 2, reference numeral L3 indicates an operation pattern of the present embodiment, and reference numeral L4 indicates a conventional operation pattern. The vertical axis in FIG. 2 indicates the traveling speed of the extrusion plate 4, and the horizontal axis indicates the position of the extrusion plate 4. The standby position in FIG. 2 is a position where the extrusion plate 4 is on standby until the group of fins 13 reaches the above-described article pushing position. This standby position is located on the side of the article pushing position of the alignment conveyor 2 (on the right side with respect to the traveling direction of the alignment conveyor 2 (the arrow X direction in FIG. 6)). The contact position in FIG. 2 is a position at which the extrusion plate 4 travels in the pushing direction (the arrow Y direction in FIG. 6) and contacts the bagged product 1 in the gap portion 14 between the fins 13. The acceleration position in FIG. 2 is a position separated from the contact position in the extrusion direction by a predetermined distance required for stably transporting the bagged product 1 after the pushing plate 4 abuts on the bagged product 1. . Specifically, as the acceleration position, for example, a position at which the extruding plate 4 crosses the alignment conveyor 2 substantially at right angles to the traveling direction can be adopted. When this position is adopted, the fins 13 and the packaged product 1 do not interfere with each other after the extrusion plate 4 reaches the acceleration position. , 17 (see FIG. 6). The stop position in FIG. 2 is a position at which the pushing plate 4 pushes the bagged product 1 and stops on the dampers 17, 17. A stopper (not shown) for receiving the packaged product 1 extruded by the extruding plate 4 is provided in the pushing direction at the stop position. This prevents the bagged product 1 from falling down when the pushing plate 4 pushes the bagged product 1 to the stop position. The deceleration position in FIG. 2 is a position where the extrusion plate 4 is decelerated in order to stop the extrusion plate 4 at the stop position. These positions are set in advance by experiments or the like.
[0026]
As shown by the operation pattern L3 in FIG. 2, first, the push plate 4 is accelerated to the traveling speed β2 at the acceleration δ2 after the above-mentioned group of fins 13 stops at the article pushing position. Thereafter, the extruding plate 4 runs at a substantially constant speed (β2). The traveling speed β2 is a speed at which the bag 1 is not pushed down when the pushing plate 4 comes into contact with the bag 1, and is set in advance by an experiment or the like. Thus, it is possible to prevent the push plate 4 from traveling beyond β2 from the standby position to the acceleration position as in the conventional operation pattern L4 in FIG. As a result, it is possible to prevent the bagged product 1 from being pushed down when the pushing plate 4 comes into contact with the bagged product 1. In this case, after the extrusion plate 4 is accelerated to the traveling speed β2, the extruding plate 4 travels at a constant speed β2 to the next acceleration position, but is not limited to this. That is, it is only necessary that the traveling speed of the extrusion plate 4 does not exceed the preset β2.
[0027]
After the extruding plate 4 reaches the acceleration position, the extruding plate 4 is accelerated at an acceleration δ3 to a running speed β3. Thereafter, the extruding plate 4 runs at a substantially constant speed (β3). The acceleration δ3 and the traveling speed β3 can be set higher than the acceleration δ2 and the traveling speed β2 in the section from the standby position to the acceleration position. This is because the section from the standby position to the acceleration position, at which the extrusion plate 4 may push down the bagged product 1, is run at a low speed (β2). Specifically, for example, while the acceleration δ2 = 0.73 (G: gravitational acceleration) and the traveling speed β2 = 1300 mm / sec, the acceleration δ3 = 1.53 (G) and the traveling speed β3 = 2500 mm / sec. can do.
[0028]
Further, as shown in FIG. 2, the traveling speed β3 can be set higher than the traveling speed β of the conventional extrusion plate 4 (specifically, 1680 mm / sec). As shown in FIG. 2, the running conditions (running speed and acceleration) after the pushing plate 4 reaches the acceleration position, and the running conditions from the pushing plate 4 to the acceleration position from the article receiving position are respectively shown in FIG. This is because they can be set independently. Thereby, the time required for the extrusion plate 4 to travel from the acceleration position to the deceleration position can be significantly reduced.
[0029]
When the pushing plate 4 reaches the deceleration position, the pushing plate 4 is decelerated at the acceleration δ4. Then, it stops when the pushing plate 4 reaches the stop position. Thereafter, the extruding plate 4 is slid above the alignment conveyor 2 in the direction opposite to the extrusion direction so as not to interfere with the next bagged product 1 being aligned on the alignment conveyor 2 and is returned to its original position (standby position). Return to
[0030]
Next, a configuration of a control system of the box packing device for realizing the operations of the alignment conveyor 2 and the pushing plate 4 described above will be described.
[0031]
As shown in FIG. 3, the box packing device includes a controller 20 mainly composed of a microprocessor. This controller 20 controls the operation of the box packing device.
[0032]
The storage unit 21 is connected to the controller 20. The storage unit 21 includes a read-only memory (ROM) and a random access memory (RAM), and stores a program that defines an operation procedure of the controller 20 or data to be processed by the controller. The storage unit 21 stores the speed information (α2 to α3, 0) or the acceleration information (γ2 to γ4) of the alignment conveyor 2 and the position information of the last fin 13 (article receiving position, acceleration position, deceleration position). , The article extrusion position) are stored in advance. Further, the storage unit 21 also stores in advance the speed information (β2 to β3, 0), the acceleration information (δ2 to δ4), and the position information (standby position, acceleration position, deceleration position, stop position) of the extrusion plate 4. ing.
[0033]
The controller 20 is connected to an article receiving position sensor 15 for detecting that the bagged articles 1 are stored in the gap section 14 from the article introduction conveyor 3. As the article receiving position sensor 15, for example, an optical sensor is used.
[0034]
A first driver 23 that drives the alignment conveyor 2 via a first servomotor 22 is connected to the controller 20. Further, the controller 20 is connected to a second driver 25 that drives the push plate 4 via a second servomotor 24. The first and second servo motors 22 and 24 are provided with first and second encoders 22a and 24a for detecting their rotation angles, respectively. The first and second encoders 22a and 24a are connected so that information 30 and 31 of each rotation angle can be transmitted to the controller 20.
[0035]
Next, a control flow of the alignment conveyor will be described with reference to FIGS. The controller 20 receives the output signal 32 from the article receiving position sensor 15 when the bagged articles 1 are stored in the gap section 14 from the article introduction conveyor 3. The controller 20 determines from the output signal 32 whether a predetermined number (for example, five) of the bagged articles 1 has been accommodated in the gap portion 14 (S100). Thereby, it is determined whether or not the last fin 13 has reached the article receiving position.
[0036]
When the controller 20 determines that a predetermined number of bagged items 1 have been stored in the gap portion 14, the controller 20 sets the traveling speed and acceleration of the alignment conveyor 2 to α2 and γ2 (S101). The controller 20 outputs an output signal 33 for setting the traveling speed and acceleration of the alignment conveyor 2 to α2 and γ2 to the first driver 23 (S102). Based on the output signal 33, the first driver 23 accelerates the first servo motor 22. Thereby, the alignment conveyor 2 is accelerated to the traveling speed α2 at the acceleration γ2, and thereafter travels at a substantially constant speed (α2) (S103).
[0037]
Next, the controller 20 determines whether or not the last fin 13 has reached the acceleration position based on the rotation angle information 30 received from the encoder 22a (S104). When it is determined that the last fin 13 has reached the acceleration position, that is, when the last fin 13 has reached the outward path 12b, the controller 20 sets the traveling speed and acceleration of the alignment conveyor 2 to α3 and γ3 ( S105). The controller 20 outputs an output signal 33 for setting the traveling speed and acceleration of the alignment conveyor 2 to α3 and γ3 to the first driver 23 (106). Based on the output signal 33, the first driver 23 accelerates the first servo motor 22. Thereby, the alignment conveyor 2 is accelerated to the traveling speed α3 at the acceleration γ3, and thereafter travels at a substantially constant speed (α3) (S107).
[0038]
Next, the controller 20 determines whether or not the last fin 13 has reached the deceleration position based on the rotation angle information 30 received from the encoder 22a (S108). When determining that the last fin 13 has reached the deceleration position, the controller 20 sets the traveling speed and the acceleration of the alignment conveyor 2 to 0 and γ4 (S109). The controller 20 outputs the output signal 33 for decelerating and stopping the alignment conveyor 2 to the first driver 23 (S110). Based on this output signal 33, the first driver 23 decelerates the first servomotor 22. Thereby, the alignment conveyor 2 is decelerated at the acceleration γ4 and stopped. (S111). At this time, the group of fins 13 stops at the article pushing position.
[0039]
Next, a control flow of the extrusion plate 4 will be described with reference to FIGS.
[0040]
The controller 20 determines whether the group of fins 13 has reached the article pushing position based on the rotation angle information 30 received from the encoder 22a (S200). When the controller 20 determines that the group of fins 13 has reached the article pushing position, the controller 20 sets the traveling speed and acceleration of the pushing plate 4 to β2 and δ2 (S201). The controller 20 outputs an output signal 34 for setting the traveling speed and acceleration of the pushing plate 4 to β2 and δ2 to the second driver 25 (S202). Based on the output signal 34, the second driver 25 accelerates the second servo motor 24. As a result, the pushing plate 4 is accelerated to the traveling speed β2 at the acceleration δ2, and thereafter travels at a substantially constant speed (β2) (S203).
[0041]
Next, the controller 20 determines whether or not the pushing plate 4 has reached the acceleration position based on the rotation speed information 31 received from the encoder 24a (S204). When the controller 20 determines that the pushing plate 4 has reached the acceleration position, the controller 20 sets the traveling speed and the acceleration of the pushing plate 4 to β3 and δ3 (S205). The controller 20 outputs an output signal 34 for setting the traveling speed and the acceleration of the pushing plate 4 to β3 and δ3 to the second driver 25 (S206). Based on the output signal 34, the second driver 25 accelerates the second servo motor 24. As a result, the extrusion plate 4 is accelerated to the traveling speed β3 at the acceleration δ3, and thereafter travels at a substantially constant speed (β3) (S207).
[0042]
Next, the controller 20 determines whether or not the pushing plate 4 has reached the deceleration position based on the rotation speed information 31 received from the encoder 24a (S208). When the controller 20 determines that the pushing plate 4 has reached the deceleration position, the traveling speed and acceleration of the pushing plate 4 are set to 0 and δ4 (S209). The controller 20 outputs an output signal 34 for decelerating and stopping the extrusion plate 4 to the second driver 25 (S210). Based on this output signal 34, the second driver 25 decelerates the second servomotor 24. As a result, the pushing plate 4 is decelerated at the acceleration δ4 and stops at the stop position (S211).
[0043]
Thereafter, the push-out plate 4 slides above the alignment conveyor 2 in the direction opposite to the extrusion direction and returns to the original standby position so as not to interfere with the next bagged product 1 being aligned on the alignment conveyor 2. Then, it stands by at that position until the start of the next pushing operation (S212).
[0044]
The above-described embodiment is an example, and various changes can be made without departing from the scope of the present invention, and the present invention is not limited to the above-described embodiment.
[0045]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, while being able to stably transfer the goods packed in a box, the processing capacity of goods can be improved.
[Brief description of the drawings]
FIG. 1 is a diagram illustrating a relationship between a traveling speed of an alignment conveyor and a position of a rearmost fin on the alignment conveyor in the box packing device according to an embodiment of the present invention.
FIG. 2 is a diagram showing a relationship between a speed and a position of an extrusion plate of the box packing device according to one embodiment of the present invention.
FIG. 3 is a block diagram showing a configuration of a control system of the box packing device according to one embodiment of the present invention.
FIG. 4 is a control flow chart of an alignment conveyor.
FIG. 5 is a control flowchart of an extrusion plate.
FIG. 6 is a plan view of a conventional box packing device.
FIG. 7 is a front view of a conventional box packing device.
FIG. 8 is a side view of a conventional box packing device.
FIG. 9 is a partial front view of an alignment conveyor of the conventional box packing device.
FIG. 10 is a diagram showing a relationship between a traveling speed of an alignment conveyor of a conventional box packing apparatus and a position of a rearmost fin on the alignment conveyor.
FIG. 11 is a diagram showing the relationship between the speed and the position of an extrusion plate of a conventional box packing device.
[Explanation of symbols]
1… Article
2. Aligned conveyor
4: Extruded plate
13 ... fin
14 gap section
15… Article receiving position sensor
20 ... Controller
21 ... Storage unit
22, 24 ... first and second servo motors
23, 25: First and second drivers
22a, 24a: first and second encoders
30, 31,... Rotation angle information

Claims (2)

An endless transport path having an arc-shaped inverting portion between the lower return path and the upper outward path, and a group provided at intervals capable of accommodating articles in a direction in which articles are transported on the endless transport path. A transport device comprising a partition member, and configured to receive the article when each partition member comes to the article receiving position of the arc-shaped inversion portion,
A first driving device for driving the transport device;
A control device for controlling the driving of the first driving device,
The control device is
After the rearmost partition member receives the article at the article receiving position, the first drive device is accelerated so as not to exceed a first preset speed, and the rearmost partition member reaches the vicinity of the forward path. A box packing device configured to accelerate the first drive device at a larger acceleration when the first drive device is accelerated so as not to exceed the first set speed. A transport device for transporting articles;
An extrusion member that moves across the transport device and pushes the article to the side of the transport device, and an extrusion device that has a second drive device that drives the extrusion member;
A control device for controlling the driving of the second driving device,
The control device is
After the transport device stops at the article pushing position, the second driving device is accelerated so as not to exceed a second preset speed, and the pushing member is separated from the position where the pushing member contacts the article by a predetermined distance in the article pushing direction. A box packing device configured to accelerate the second drive device at a larger acceleration when reaching a predetermined position so as not to exceed the second set speed.

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