JP2016060515A - Packed product insertion device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insertion device for maintaining even a product quality, without inducing an insertion error, even when a stopping time is short, while maintaining upper-lower line designs.SOLUTION: An intermittent type conveyor for synchronously traveling in parallel, comprises a commodity transfer conveyor for transferring a commodity S and a box transfer conveyor for transferring a box B, an upstream side regulation plate 13 and a downstream side regulation plate for regulating an insertion time attitude of the commodity S by becoming a set on the upstream side and the downstream side of the respective commodities S on the commodity transfer conveyor, a pusher for repeating pulling-back motion by inserting the commodity S into the box B by linearly reciprocating in the orthogonal direction to the transfer direction and a driving control part for pulling back the pusher in a conveyor driving period so as to pass through a crossing position after the upstream side regulation plate 13 of the commodity S crosses a reciprocating orbit of the pusher on a retreat of the pusher, by inserting the commodity S by advancing the pusher in a conveyor stopping period.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an insertion device that inserts a packaged product into a package that is a box or a bag, and more particularly to an insertion device that reduces the insertion impact of the packaged product while maintaining a transfer speed while adopting a simple mechanism.

  2. Description of the Related Art Conventionally, as an insertion device that inserts a product into a box, a device that translates the box line and the product line and pushes the product into the box when stopped by intermittent drive is known. In the product line, each product is placed between two regulating bodies so that the posture during transfer and the posture during insertion are not disturbed. This realizes stable insertion.

However, the conventional technique has the following problems.
In an actual line, there are many upstream box unfolding mechanisms, downstream flap pasting mechanisms, etc., and the intermittent drive stop time (retention time) and transfer time, and transfer distance are substantially the same as other upstream and downstream configurations. There was a reality that it depends on. In other words, there is a reality that it is difficult to change only the specifications of the insertion device portion.

  For this reason, when the stop time is short, it is necessary to reciprocate the pusher during that time, so that the pusher hits the product, and there is a possibility that the insertion error or product quality may be impaired.

  Conversely, if the pusher reciprocates on the line is rate limiting, there is also a potential demand to increase the drive speed as much as possible.

JP2013-10520A JP2014-46981A

  The present invention has been made in view of the above, and an object of the present invention is to provide an insertion device that maintains product quality without inducing an insertion error even when the stop time is short while maintaining the upper and lower line designs. To do.

  The insertion device according to claim 1 is an intermittent conveyor that runs in parallel with each other, and transports a packaging body conveyor that transfers a packaging body that is a box or a bag, and a packaged product that is inserted into the packaging body. A regulation that regulates the posture when inserting the packaged product, and the packaged product conveyor and the packaged product conveyor are arranged at equal intervals on the upstream and downstream sides of each packaged product. A pusher that reciprocates linearly in a direction perpendicular to the body and the transfer direction, inserts the packaged product into the package, and repeats the back movement, and pushes the pusher forward during the conveyor stop period to insert the packaged product, and pusher The retraction of the package is characterized by comprising pusher control means for pulling back the pusher during the conveyor driving period so that the upstream side regulation body of the packaged product crosses the reciprocating track of the pusher and then passes the crossing position. .

  That is, in the invention according to claim 1, the pusher is pulled back in the conveyor driving period, and the pusher can be advanced at a relatively low speed by fully utilizing the time of the conveyor stopping period. Even when the stop period is short while maintaining the above, it is possible to provide an insertion device that does not induce an insertion error and maintains product quality. When the insertion operation is rate-limiting, the upper and lower line designs need to be changed, but the stop period and the driving period can be shortened to improve productivity.

  It is assumed that the package is open to accept insertion of the packaged product. For example, the aspect of the cylindrical semi-molded box with one flap still extended can be mentioned. The package can also be called a case, a carton, or the like. A packaged product can be expressed as a product, a stored item, a content, or the like. Arranged at equal intervals does not mean an equal interval as a set, that is, an interval between the upstream side regulation body and the downstream side regulation body, but all upstream side regulation bodies are the same interval, downstream regulation. This means that the bodies are at the same interval (as a result, the intervals between the upstream side regulation body and the downstream side regulation body related to the same packaged product are all the same). Although the example which makes the board | plate body extended | stretched in an insertion direction can be given as the aspect of a control body, For example, the aspect in which the 2 or more rod body was located in the insertion direction in the vertically upward direction may be sufficient. In addition, a regulation body will not be specifically limited if the insertion attitude | position of a to-be-packaged item does not collapse, ie, it inserts in a packaging body straightly. Further, when the regulation body is a plate body, it is not always necessary to provide the full width of the packaged article conveyor.

  Since the pusher reciprocates linearly, the pusher is configured not to interfere with the regulation body when the packaged product is inserted (when advanced). For example, when the pusher is a padded bar, the rear end of the bar is allowed to pass between the regulating bodies. The pusher control means is not particularly limited, and may be electrical control or mechanical control. In order to avoid interference, a mode in which driving with moderate speed is appropriately performed may be used. The insertion device can also be called a boxing machine, a cartner, a cartoning machine, or a caser. The package can also be called a case, a carton, or the like.

  The insertion device according to claim 2 is the insertion device according to claim 1, wherein the packaging body conveyor and the packaged goods conveyor are separated from each other by a predetermined distance, and the retracted pusher is also upstream of the packaging body during the conveyor driving period. A buffering interval that does not interfere with the side regulating body is also provided.

  That is, the invention according to claim 2 can employ a pusher correspondingly long in the insertion direction. In addition, the design and control of the reverse timing and reverse speed can be facilitated.

  It can be applied to a line or the like in which a manual or other booklet (strip shape) is interposed between both conveyors, is wound around a packaged product, and is inserted into the package together. In addition, the buffering interval does not necessarily need to be wide, and it is sufficient that the upstream side regulation body of the packaged article conveyor is not substantially buffered when the pusher moves backward.

  An insertion device according to a third aspect is the insertion device according to the first or second aspect, wherein the reverse speed is constant.

  That is, the invention according to claim 3 realizes a smooth backward movement without temporarily stopping, accelerating, or decelerating during the backward movement. It can also be said that it is driven without an unnecessary load. In addition, the design can be facilitated when the conveyor is moved back mechanically in synchronization.

  In addition, it is good also as constant speed also during advance. Further, it is preferable to shift to a constant speed motion so that the vehicle does not suddenly accelerate when starting and stopping both in reverse and forward.

  According to the present invention, it is possible to provide an insertion device that does not induce an insertion error and maintains product quality even when the stop time is short while maintaining the upper and lower line designs. An insertion device with an increased drive speed can also be provided for a line where the reciprocation of the pusher is rate limiting.

It is an external view of the insertion apparatus of this invention. 1a is a plan view and FIG. 1b is a side view. It is a top view regarding the operation | movement transition of the insertion apparatus of this invention. It is explanatory drawing explaining the example of a design of the insertion apparatus of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an external view of the insertion device of the present invention. FIG. 2 is a plan view relating to the operation transition of the insertion device of the present invention. In the drawing, for convenience of display, the configuration is omitted as appropriate, and the drawing is drawn with different aspect ratios.

  The insertion device 1 mainly includes a product transfer conveyor 10, a box transfer conveyor 20, a pusher 30, and a drive control unit 40, and inserts the product S into the box B and transfers it downstream. The product transfer conveyor 10 and the box transfer conveyor 20 are intermittent conveyors that run in parallel in synchronization. The pusher 30 moves forward during the stop period to insert the product S into the box B, and the pusher 30 pulls back during the drive period. Each configuration will be described below.

  The product transfer conveyor 10 includes an endless belt 11 that is a belt on which the product S is placed and transferred, and a drive roller 12 that intermittently feeds the endless belt 11 in one direction.

  On the endless belt 11, the upstream side regulation plate 13 and the downstream side regulation plate 14 that are separated from each other with a slight margin based on the width of the product S are oriented in the insertion direction (direction perpendicular to the transfer direction). It is erected. That is, the product S is placed between the upstream side regulation plate 13 and the downstream side regulation plate 14 with its length in the insertion direction. Due to this arrangement relationship of the product S, even if it is immediately after driving or immediately after stopping, it stays at the expected position without being displaced and is transferred. Similarly, since the product S is in a state in which guides are provided on both sides in the longitudinal direction, the posture does not collapse at the time of insertion, and the product S is stably inserted into the box B with the longitudinal direction as it is as the insertion direction.

  The commodity transfer conveyor 10 is intermittently driven. Accordingly, the upstream side regulation plate 13 and the downstream side regulation plate 14 are arranged at equal intervals. That is, they are provided on the endless belt 11 such that the interval between the adjacent upstream regulating plates 13 = the interval between the adjacent downstream regulating plates 14 = the transfer distance of intermittent driving.

  In particular, the width (length in the insertion direction) of the upstream regulation plate 13 is preferably as short as possible to avoid interference with the pusher 30 if the attitude of the product S is not lost. Interference avoidance will be described later.

  The box transfer conveyor 20 includes an endless belt 21 that is a belt on which the box B is placed and transferred, and a driving roller 22 that intermittently feeds the endless belt 21 in the same direction as the product transfer conveyor 10.

  On the endless belt 21, an upstream side regulation plate 23, a downstream side regulation plate 24, and a push-in regulation plate 25 are provided so that the box B is not displaced during transfer and when the product S is inserted. The upstream side regulation plate 23 and the downstream side regulation plate 24 are erected on the endless belt 21 so as to be oriented in the insertion direction similarly to the upstream side regulation plate 13 and the like. In addition, the push-in restricting plate 25 is erected on the endless belt 21 so as to contact the flap folding surface Bf, which is the back surface in the insertion direction of the box B, to which the flap is glued.

  The upstream side regulation plate 23 and the downstream side regulation plate 24 are arranged at equal intervals, respectively. That is, the interval between the adjacent upstream restriction plates 23 = the interval between the adjacent downstream restriction plates 24 = the transfer distance of intermittent driving. Note that the distance between the upstream restriction plate 23 and the downstream restriction plate 24 is substantially the width of the box B, and is wider than the distance between the upstream restriction plate 13 and the downstream restriction plate 14.

  The driving roller 12 and the driving roller 23 sequentially transfer the product S and the box B downstream by the same distance in synchronization.

  The pusher 30 includes an insertion pad 31 that contacts the product S and pushes it into the box B, a support bar 32 that supports the insertion pad 31 from above, a reciprocating drive unit 33 that moves the support bar 32 forward and backward in the insertion direction, Have

  The insertion pad 31 is smaller than the flap folding surface Bf and allows entry into the box B. The insertion pad 31 is a pad having a relatively large area, which is equal to or larger than the contact surface of the product S. In addition, a flexible material such as felt is affixed to the side in contact with the product S. Since the insertion pad 31 has such a configuration, it can be inserted into the box B without damaging the product S even when it comes into contact with the product S during the forward movement or thereafter. In addition, in the insertion apparatus 1, since the forward speed of the pusher 30 itself is relatively slow, the product S is not damaged from this point.

  The insertion pad 31 is attached to an L-shaped support bar 32, and the support bar 32 is suspended from the reciprocating drive unit 33. By making the support bar 32 L-shaped, the insertion pad 31 can enter the box B even from above. In addition, the suspension can easily avoid interference with the endless belt 11, the upper regulating plate 13, the downstream regulating plate 14, and the like. The length of the insertion belt support bar 32 in the insertion direction can be appropriately set depending on the insertion depth. However, it should not be longer than necessary so as not to interfere with the upstream regulating plate 13 during reverse movement.

  The reciprocating drive unit 33 reciprocates the insertion pad 31 linearly in the insertion direction via the support bar 32. That is, a simple reciprocating motion is performed without evacuating the insertion pad 31 itself. Therefore, a simple device can be obtained without requiring a complicated mechanism.

The drive control unit 40 performs drive control of the reciprocating drive unit 33.
1) First, with the intermittent driving of both conveyors synchronized with each other, the product S (box B) is transferred from the upstream and stopped so as to overlap the reciprocating orbit of the insertion pad 31 (FIG. 2a).
2) With the stop of both conveyors, the insertion pad 31 inserts the product S into the box B under the control of the drive control unit 40 (FIGS. 2b to 2c). At this time, the insertion is performed using the time of the stop period. That is, conventionally, the pusher was reciprocated during the stop period, but the insertion device 1 performs only insertion (advance) during the stop period. As a result, even when the stop period is short due to restrictions on the upper and lower lines, insertion by the pusher 30 can be performed at about half the speed of the conventional case, and the quality may be impaired, such as damaging the product. Does not occur.

  Since the insertion pad 31 has a large area and the insertion speed is relatively slow, the drive control unit 40 does not require deceleration control of the insertion pad 31 such as reducing the contact impact, and can advance forward at a constant speed. it can. The control mechanism can be simplified in a reflective manner.

3) When retreating, the drive control unit 40 performs drive control including the timing of the reciprocating drive unit 33 so that the pusher 30 is pulled back after the upstream side regulation plate 13 of the commodity transfer conveyor 10 has passed. (FIGS. 2d-2h). Generally, due to the upper and lower line configurations of the insertion device 1, the intermittent transfer stop period and the drive period are approximately the same time interval, while the transfer interval is larger than the width of the product S (upstream restriction plate 13 and downstream side). It is several times larger than the spacing with the regulating plate 14. Therefore, the insertion device 1 performs the pull-back control of the pusher 30 after passing through the upstream regulating plate 13 that moves downstream immediately after the transition to the conveyor driving period.

  When the insertion pad 31 is retracted, drive control of both conveyors, that is, drive control as necessary so as not to interfere with not only the upstream regulation plate 13 but also the upstream regulation plate 23 and the opening end of the box B. The unit 40 performs the backward control of the reciprocating drive unit 33. Factors to be considered are the position of the front end of the insertion pad 31, the position of the rear end of the support bar 32 in the insertion direction, their spacing (substantial length in the insertion direction of the pusher 30), the width of the box B, the upstream side of the box B The position of the opening end, the position of the upstream regulating plate 13, the position of the upstream regulating plate 23, and the distance between both conveyors (specifically, the gap between the opening end of the box B or the upstream regulating plate 23 and the upstream regulating plate 13). , Reverse speed, etc.

  Simple reverse control is constant speed drive. This is because both conveyors are separated to a certain extent, and the retraction of the insertion pad 31 is started immediately before the transition to the drive period of both conveyors, and the upstream opening end of the box B and the upstream regulation plate 23 and the insertion pad 31 This can be realized by setting the retraction speed so that interference does not occur and the rear end of the support bar 32 does not interfere with the upstream regulating plate 13. The retreat speed needs to be a speed at which the downstream restricting plate 14 related to the next product S is retracted to a position where it does not interfere with the downstream restricting plate 14 before reaching the reciprocating orbit of the insertion pad 31.

<Example>
The following configuration examples can be given as examples of such constant speed forward and constant speed reverse. FIG. 3 shows a reference diagram such as an arrangement.
・ Intermittent cycle: 1.0 seconds (stop time 0.6 seconds, drive time 0.4 seconds)
Transfer distance: 30 cm, transfer speed: 75 cm / s, product transfer conveyor width: 15 cm, box transfer conveyor width: 15 cm, conveyor spacing: 10 cm
Product width: 4.5 cm, product length 10 cm, interval 5 cm between the upstream and downstream regulation plates of the product, length of upstream and downstream regulation plates: 10 cm
-Box width: 5 cm, flap length of the opening end of the box 2 cm, distance between the upstream side regulation plate and the downstream side regulation plate 5.5 cm
Pusher advance speed: 75 cm / s, retract speed 60 cm / s, distance from the tip of the insertion pad to the rear end of the support bar: 5 cm, insertion pad box depth of entry: 1 cm (approach length of 3 cm from the flap), advance Distance from the product transfer conveyor at the front standby position: 1 cm

In the above example, the sequence is as follows.
0.000 seconds: Pusher advance start (75 cm / s)
0.080 seconds later: Insertion pad contacts product approximately 0.387 seconds later: Insertion completed 0.496 seconds later: Insertion pad retraction starts 0.500 seconds later: Insertion pad exits from the box opening end. Conveyor transfer start (drive period start) transfer speed = 75 cm / s
After about 0.567 seconds: The rear end of the support bar reaches the commodity transfer conveyor. The upstream side control plate of the product transfer conveyor has completed the crossing of the reciprocating track of the pusher.
After about 0.803 seconds: The pusher crosses the product transfer conveyor 10 cm (the length of the product, the length of the regulated body) About 0.833 seconds: The next downstream regulation plate of the product transfer conveyor starts to cross the pusher's reciprocating track. After about 0.883 seconds: Pusher retreat completed 0.900 seconds: Each of the following components arrives at the desired position (drive period end, stop period start)

  As described above, according to the insertion device 1 of the present invention, even if the stop time is short, the insertion speed can be maintained while maintaining the upper and lower line designs, and the product quality can be maintained without inducing an insertion error. Can be provided.

According to the present invention, if the pusher reciprocation is a rate-limiting line, it can be modified to an insertion device that simply increases the drive speed while maintaining the configuration.

DESCRIPTION OF SYMBOLS 1 Insertion apparatus 10 Goods conveyance conveyor 11 Endless belt 12 Driving roller 13 Upstream restriction board 14 Downstream restriction board 20 Box transfer conveyor 21 Endless belt 22 Driving roller 23 Upstream restriction board 24 Downstream restriction board 25 Push restriction board 30 Pusher 31 Insertion pad 32 Support bar 33 Reciprocating drive unit 40 Drive control unit B Box S Product

Claims (3)

An intermittent type conveyor that runs in parallel, a package conveyor that transfers a package that is a box or a bag, and a packaged article conveyor that transfers a packaged article to be inserted into the package,
A regulation body that is arranged at equal intervals on the upstream and downstream sides of each packaged product on the packaged product conveyor, and regulates the posture at the time of insertion of the packaged product,
A pusher that reciprocates linearly in a direction orthogonal to the transfer direction, and repeats the movement of inserting and pulling the packaged product into the package;
When the conveyor is stopped, the pusher is moved forward to insert the packaged product, and the pusher is moved backward so that the upstream regulator of the packaged product crosses the reciprocating track of the pusher and then passes the crossing position. A pusher control means for pulling back the pusher,
An insertion device comprising:   The packaging body conveyor and the packaged article conveyor are separated from each other by a predetermined distance, and a buffer interval is provided so that the retracted pusher does not interfere with the packaging body and the upstream side regulation body during the conveyor driving period. The insertion device described in 1.   The insertion device according to claim 1 or 2, wherein the reverse speed is constant.

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