JP3497964B2 - Rod packing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for packaging a bar-shaped material such as a chopstick between two strip-shaped packaging materials at a high speed.

[0002]

2. Description of the Related Art Japanese Utility Model Publication No. 49-34451 discloses a system shown in FIG.
As shown in FIG. 1, a drum 2 having a large number of grooves 1 formed in parallel on its circumferential surface is rotated in the direction of the arrow to drop the ice cream spoons 4 stacked in the guide 3 into the grooves 1 one after another. After supporting the spoon with the vacuum suction force acting on the passage 5, the scraper 6 scrapes the spoon into the recess 8 on the peripheral surface of the second drum 7 to remove these spoons from the second drum 7.
And the sealing drum 9 between the two strip-shaped packaging materials F1, F
2 discloses a device for sandwiching and packaging in parallel.

[0003]

[Problems to be Solved by the Invention] An ice cream spoon made of a natural material causes a warp and bending phenomenon as the drying progresses, but the length of this seed spoon is about 5 to 6 cm at most. Therefore, even if a warp occurs, the impact does not occur so much in scraping the guide 3 and correcting the warp by the scraper 6, but when this becomes a length and a thickness of a split, the warp amount is increased. Since it is also large and the impact degree is large, the packing of the chopsticks with a conventional device was not efficient because the drum 2 could not be rotated more than a predetermined limit.

When the disposable chopsticks are packaged with their wife toothpicks, the thin and light wife toothpicks are easily flipped by the rotation power of the drum 2, and in this case as well, the rotation of the drums exceeds the predetermined limit. Can't raise.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a stick-shaped object having a length of about chopsticks can be moved at a higher speed and, in some cases, with a toothpick, and the direction of the stick-shaped object can be fixed. In order to provide a packaging device provided with means, one invention is
A large number of rod-shaped support grooves are formed on the peripheral surface of the drum so as to be parallel to the axis of the drum, and a vacuum suction port is opened in the groove bottom surface of each rod-shaped support groove. A rod-shaped object transporting means adapted to rotate toward,
Rotating while sandwiching the first strip-shaped packaging material between the drum and the rod-shaped object supply conveyor means for supplying the rod-shaped object into the rod-shaped object support groove at the same pitch as the movement pitch of each rod-shaped object support groove. And, on the peripheral surface thereof, the first roll for sealing in which the recesses for receiving the rod-shaped objects having the same pitch as the rod-shaped object support grooves in the drum are formed, and the first strip-shaped packaging material between the first roll for sealing and From the second roll for sealing which holds and rotates the second strip-shaped packaging material, and the scraper body for scraping the rod in the rod supporting groove into the recess for receiving the rod on the peripheral surface of the first roll for sealing. In addition, the tip of the scraper of the scraper main body is configured to apply a biasing force by a spring engaged with the scraper main body so as to elastically project between the drum and the first roll for sealing.

According to a second aspect of the present invention, a part of a vacuum suction port that opens at the groove bottom surface of each rod-shaped object support groove in the first aspect and adsorbs the rod-shaped object in the groove is provided from the side edge of the rod-shaped object. It is formed so as to protrude outside and open, and is provided with a feeding means for supplying a pickled toothpick to each of the protruding openings at the same interval as the moving pitch of the rod-shaped object support groove.

According to a third aspect of the present invention, the rod-shaped material feeding conveyor means according to the first and second aspects of the invention is replenished with one rod-shaped material between each of the attachments and an endless rotary band that rotates with a large number of attachments at equal intervals. And a feed hopper, which is operated by the drive shaft of the endless rotary band and outputs a pulse signal at the same interval as the rod-shaped object transfer pitch, and is fixed to the rod-shaped object transportation track by the endless rotary band. And a controller that analyzes the input data from the two-point monitoring sensor for each pulse output timing from the pulse generator, and a two-point monitoring sensor that monitors the lateral width of each rod-shaped object being conveyed. When an abnormality occurs in the analysis data by the controller, the rod-shaped object that operates by the command signal from the controller and generates the abnormality data is Constituting a means for eliminating the outside of the rotating band.

According to a fourth aspect of the present invention, in the above invention, each attachment is provided on the rod-shaped object conveying path behind the means for removing the rod-shaped object, which has generated the abnormal data, to the outside of the endless rotation zone in the conveying direction of the rod-shaped object. A sensor for monitoring the presence or absence of rod-shaped objects in between, and a rod-shaped object guide tower that supports a large number of rod-shaped objects in a stacked state are provided in a front-rear relationship, and a protruding plate that faces the bottom surface of the rod-shaped object guide tower is further provided. A pulse generator that is operated by the drive shaft of the endless rotation zone and outputs a pulse signal at the same interval as the transfer pitch of the rod-like object; and input data from the monitoring sensor for each pulse output timing from the pulse generator. When an abnormality occurs in the controller for analyzing the data and the analysis data by the controller, a command signal from the controller causes the protrusion plate to guide the stick-shaped object. Which is configured by providing a means for pushing along the bottom surface of the word.

[0009]

When the rod-shaped material is sequentially fed into each rod-shaped material support groove on the peripheral surface of the drum by the supply conveyor means, each rod-shaped material is pulled by the vacuum suction port opened at the groove bottom surface of the rod-shaped material support groove, and the drum It is transported continuously by rotation. Then, each of the rod-shaped objects is scraped out from the rod-shaped object support groove by the scraper body and is fed between the two strip-shaped packaging materials between the first and second sealing rolls. As shown in FIG. 11, this device does not have a structure in which the drums scrape the rod-shaped objects 4 stacked on the guide 3 one by one at a high speed, that is, a structure in which the scraping impact is large. Is supplied to the peripheral surface of the drum without impact, it is possible to improve the efficiency by increasing the rotation speed of each of the supply conveyor means and the drum. Also, when each rod collides with the scraper body, this impact Is absorbed by the elastic force of the spring of the scraper body and the warp of the rod-shaped object is corrected by the scraper body, so that the high speed rotation of the drum can be maintained.

In accordance with the moving pitch of each of the rod-shaped support grooves, the feeding means supplies the toothpick to the side surface of the rod-shaped object in the support groove, but a part of the vacuum suction port is eroded from the side surface of the rod-shaped object. Since it is opened so as to put it out, the wife toothpick will be adsorbed to this feeding port and carried,
Even if the drum rotates at high speed, the phenomenon that the lightweight wife toothpick is flipped off is reduced.

A large number of stick-shaped objects, such as disposable chopsticks, are naturally avoided in two pieces, partially cut out, those which are turned upside down, and those which have a large warp and tend to lie sideways. Although the defective products are mixed, the two-point sensor in the middle of the track of the endless rotation zone forming the supply conveyor means cooperates with the pulse generator and monitors the width of the disposable chopsticks with the two-point pitch to detect the defective product by the controller. At the same time as detecting, the defective product is excluded by the excluding means operated by the command signal from the controller, and the defective product is prevented from being mixed in the continuous package.

When a separate monitoring sensor detects a blank part from which the defective product is removed by the removing means, the means for pushing out the ejecting plate by the signal from the controller is the maximum of the disposable chopsticks stacked in the rod-shaped object guide tower. Since the lower one is projected toward the blank portion, the blank of the continuous package is filled.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a drum 11 constituting a rod-shaped object conveying means rotates continuously in a clockwise direction around a central axis, and a groove 12 for supporting a large number of rod-shaped objects is axially formed on its peripheral surface. A port 13 for vacuum suction is opened on the bottom surface of each groove. Therefore, when the attachments 17 of the endless rotary band 16 push the disposable chopsticks 15 on the plate 14 at equal intervals and successively feed them into the groove 12, the disposable chopsticks 15 are attracted to the vacuum suction port 13 and protected by the cover 32. Carried by drum 11. It should be noted that the vacuum suction force acts on the vacuum suction port as described above.
There are only 8 areas.

The pick-up toothpick supply means diagonally above the drum 11 is provided with a hopper 21 containing a large number of pick-up toothpicks 20.
And the rotor 22 that contacts the lower opening surface of the hopper, and the picked-up toothpicks in the hopper 21 can be dropped and taken out in a large number of parallel grooves 23 on the circumferential surface of the rotor that rotates counterclockwise. In this case, a vacuum suction force is applied to the narrow groove 23 via the passage 24 to support the gable toothpick, but this suction force is only in the range of the pod-shaped mouth 26.

As shown in FIG. 3, the rotary valve 28, which comes into pressure contact with the end surface of the drum 11 by the tension of the spring 27, passes the pipe 29 and the port 13 of the groove 12.
The disposable chopsticks 15 are sucked by applying a vacuum suction force to them, and also in the rotor 22, the pipes 31 connected to the rotary valve 30 are passed and the vacuum suction force is applied to the passage 24 opened to the narrow groove 23.

However, the vacuum suction port 1 of the drum 11
Since part of 3 is formed so as to protrude from the side edge of the disposable chopstick 15, the wife toothpick 20 that is transferred from the narrow groove 23 of the rotor 22 toward the drum 11 protrudes from the side edge of the disposable chopstick. It can be adsorbed to the port 13.

As shown in FIG. 4, in the scraper main body 36 installed between the machine bases 37 on both sides, the tips of a plurality of scrapers 38 fixed to the side surfaces of the scraper main body 36 are spring-fitted in the ring groove 39 on the peripheral surface of the drum 11 in FIG. Although the scraper body 36 is press-fitted by using the repulsive force of 40, the scraper body 36 is normally in pressure contact with the stopper 41. However, when resistance is applied when the disposable chopsticks dive under the scraper 38 as shown in FIG.
Retreats by the gap X to soften the impact on the disposable chopsticks 15.

As shown in FIG. 1, a first band-shaped wrapping body 43 and a second band-shaped wrapping body 44 are provided between the drum 11 and the first sealing roll 33 and the first roll 33 and the second roll 34. Since it is guided between the scraper body 36 and
The split chopsticks 15 scraped out in the recess 35 are
The heat of the pipe heater 46 embedded in the roll encloses the two packaging materials 43 and 44 in parallel.

In FIG. 2, the conveyor means for supplying disposable chopsticks to the drum 11 comprises two front and rear endless rotary bodies 1.
6, 48. Rotation zone 1 behind this
As already mentioned in No. 6, both rotary bands are provided with a large number of attachments 17, and each of these attachments serves to carry disposable chopsticks at equal intervals. Since both rotation bands are high speed, the two hoppers 49 alternately replenish disposable chopsticks between each attachment.

In FIG. 7, the endless rotation belt 48 is represented by a chain, but it can be formed by a narrow belt, and the disposable chopsticks 15 supplied between the respective attachments 17 are pushed by the attachments. Therefore, it is slid and carried on the rail 50.

A frame 51 shown in the rear of the hopper 49 in FIG. 2 is mounted in a gate shape on both side plates for supporting the conveyor means as shown in FIG. 6, and two switches on both sides for detecting warp bending of the disposable chopsticks are attached to the frame 51. 52, a two-point monitoring sensor 53 for detecting the width of the disposable chopsticks, and a sensor 54 for monitoring slipping-out of the disposable chopsticks are fixed with a fixed gap between them, respectively, while the drive shaft 5 having an endless rotation band is provided.
5 has three pulse generators 56.

As shown in FIG. 7, the pulse generator 56 described above is used.
Is formed by a disk 58 having notches 57 at equal intervals on its peripheral edge and a switch 59 for detecting the notches 57. This pulse pitch coincides with the passing pitch of each attachment 17 , and this pulse signal is Input to the controller 61 through the circuit 60. On the other hand, the two-point sensor 53 irradiates the thick part of the disposable chopsticks 15 with a light beam at a constant pitch and transmits the data to the controller 61. The controller 61 receives the data from the two-point monitoring sensor 3 from the circuit 60. Monitor only when a pulse signal is input. When the state of the disposable chopsticks is normally laid flat , the two rays 62a are blocked by the disposable chopsticks.
At least one light beam b is not blocked by the split chopsticks that are split into narrow pieces, so the controller 61 sends a signal to the electromagnetic switching valve 63 with a certain time delay to open the passage of the pneumatic machine 64. The defective chopsticks are eliminated by the air blown from the nozzle 65.

Further, as shown in FIG. 8, the warped bent disposable chopsticks 15
When the timing at which the switch 52 is operated and the input timing from the pulse generator 56 coincide with each other by touching, the controller 61 controls the wind pressure from the nozzle 65 through the electromagnetic switching valve 63 as shown in FIG. You can remove the warped bent chopsticks by moving the hammer.

In FIG. 2, the bar-shaped object guide tower 67 behind the frame 51 straddling the endless rotary belt 48 is shown in FIG.
As shown in FIG. 10, it is formed by a sheath-shaped guide 68 extending in the vertical direction, and a large number of disposable chopsticks 15 are stacked and accommodated therein, and the tower 67 is fixedly supported by the machine bases 69 on both sides. Further, a protruding plate 72 is provided at the tip of the piston rod of the air cylinder 71 fixed to the inter-machine stay 70.
The tip of the protruding plate 72 is made to face the gap 74 between the lower end of the guide 68 and the sliding plate 73 therebelow.

Therefore, in FIG. 9, when the monitoring sensor 54 does not confirm the presence of the disposable chopsticks when the pulse signal is input from the pulse generator 56, the controller 61 opens the electromagnetic switching valve 75 and the discharge pressure of the pump 76. Is sent to the air cylinder 71 to push the ejection plate 72 into the gap 74. At the same time, since the passage of the air machine 78 is opened by the separate electromagnetic switching valve 77, the wind is blown from the tip of the protruding plate 72, and the disposable chopsticks 15a on the sliding plate 73 are replenished between the front and rear attachments 17. In this case, the wind blown from the protruding plate is
Make sure the supplementary chopsticks lie on its side.

[Brief description of drawings]

FIG. 1 is a side view of a packaging means.

[Fig. 2] Side view of the entire packaging device

FIG. 3 is a plan view of a rod-shaped object carrier.

FIG. 4 is a plan view of the scraper body.

5 is a view taken along the line VV in FIG.

6 is a view taken along the line VI-VI in FIG.

FIG. 7 is a partial plan view of FIG.

FIG. 8 is a simplified side view of FIG.

9 is a partial plan view of FIG.

FIG. 10 is a sectional side view of FIG.

FIG. 11 is an explanatory diagram of a conventional example.

[Explanation of symbols]

11 ... Drum 12 ... Rod support groove 13 ... Vacuum suction port 15 ... Rod 16 ... Endless rotary band 20 ... Wife toothpick 33 ... Sealing first roll 34 ... Sealing second roll 35 ... Dimple 36 ... Scraper body 38 ...
・ ・ ・ Scraper 40 ・ ・ ・ Spring 43 ・ ・ ・ First band-shaped wrapping material 53 ・ ・ ・ 2 point monitoring sensor 54 ・ ・ ・ Monitoring sensor 56 ・ ・ ・ Pulse generator 61 ・ ・ ・ Controller 63 ・ ・ ・
Solenoid switching valve 64 Pneumatic machine 65 Nozzle 6
7 ... Rod-shaped guide tower 71 ... Air cylinder 72
… Protruding plate

Claims (4)

(57) [Claims] 1. A plurality of rod-shaped support grooves are formed on the peripheral surface of the drum so as to be parallel to the axis of the drum, and a vacuum suction port is opened in the groove bottom surface of each rod-shaped support groove. A rod-shaped article conveying means configured to rotate the drum in one direction, and a rod-shaped article supply conveyor means for supplying the rod-shaped article into the rod-shaped article support groove at the same pitch as the moving pitch of each of the rod-shaped article support grooves A first roll for sealing, which rotates while sandwiching the first band-shaped packaging material between the drum and a peripheral surface of which a recess for receiving a rod-shaped object having the same pitch as a rod-shaped object support groove in the drum is formed; A second roll for sealing which rotates by sandwiching the first strip-shaped packaging material and the second strip-shaped packaging material between the first roll for sealing and a rod-shaped article in the rod-shaped article support groove for sealing first Inside the recess for receiving rods on the roll surface A scraper body that is scraped into the scraper body is provided, and a biasing force is applied by a spring engaged with the scraper body so that the scraper tip of the scraper body elastically thrusts between the drum and the first roll for sealing. Device for wrapping sticks. 2. A vacuum suction port that opens at the groove bottom surface of each rod-shaped support groove and adsorbs the rod-shaped object in the groove, and a part thereof protrudes from the side edge of the rod-shaped object and opens. The packing apparatus for a rod-shaped article according to claim 1, further comprising a feeding means that is configured to supply a pick-up toothpick to each of the protrusion openings at the same interval as the movement pitch of the rod-shaped article support groove. 3. The rod-shaped material supply conveyor means is composed of an endless rotary belt that rotates with a large number of attachments arranged at equal intervals, and a supply hopper that replenishes the rod-shaped material one by one between the attachments. A pulse generator that is operated by the drive shaft of the endless rotary band and outputs a pulse signal at the same interval as the transfer pitch of the rod-shaped objects, and each rod-shaped object that is fixed to the rod-shaped object transport path by the endless rotary band and is being transported. A two-point monitoring sensor that monitors the width, a controller that analyzes input data from the two-point monitoring sensor at each pulse output timing from the pulse generator, and an abnormality occurs in the analysis data by the controller. , By means of removing the rod-like object that operates by the command signal from the controller and has generated abnormal data, outside the endless rotation zone. The apparatus for packaging a rod-shaped object according to claim 1 or 2, which is configured. 4. The presence or absence of rod-shaped objects between the attachments is monitored on the rod-shaped object transportation track behind the means for excluding the rod-shaped objects that have generated abnormal data outside the endless rotation zone, in the direction of conveyance of the rod-shaped objects. Sensor and a bar-shaped object guide tower that supports a large number of bar-shaped objects in a stacked relationship are provided in a front-rear relationship, and a protrusion plate facing the bottom surface of the bar-shaped object guide tower and the drive of the endless rotary band A pulse generator that operates by a shaft and outputs a pulse signal at the same interval as the transfer pitch of the rod-shaped object; and a controller that analyzes input data from the monitoring sensor for each pulse output timing from the pulse generator, When an abnormality occurs in the analysis data by the controller, a command signal from the controller causes the protrusion plate to be pushed out along the bottom surface of the rod guide tower. 4. The rod-shaped article packaging apparatus according to claim 3, further comprising a step.