JPH1087084A - Paper sheets extraction device and post letter sorting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with the idling of a take out belt and the correction by man-power and increase a safety of a worker by holding and carrying paper sheets in an erection state and with a slant angle falling toward a carrying direction and sucking and taking out the carried paper sheets. SOLUTION: As the post letter P put in a support part is held and carried with the angle falling in the carrying direction, the post letter P is not sent to the take out part in a state falling in the direction opposite to the carrying direction like the past. Therefore, when the post letter P is sucked to a subchamber 16 and a pressure detection sensor 17 is push-pressed and turned on and the running of a teethed belt 12 and pin hopper 11 is stopped, the post letter P is not parted from a take out belt 14 too much. Therefore, the post letter P can be sucked to the take out belt 14 surely and the idling of the take out belt 14 can be prevented and the correction by manpower is not required.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a paper sheet take-out apparatus for taking out paper sheets such as a postal letter and a mail letter sorting apparatus for sorting mail letters according to the sorting information.

[0002]

2. Description of the Related Art An automatic postal letter sorting apparatus has a supply section for transporting and supplying an input postal letter to a takeout section.
The supply unit includes a transport belt that places and transports a postal letter in an upright state, and a pin hopper that moves at the same speed as the transport belt and maintains the upright state of the postal letter.

The take-out section is a take-out belt for taking out a postal letter by running, a main chamber for adsorbing the postal letter by suction on the surface of the take-out belt, and a lower side of the main chamber. It has a sub-chamber for suctioning, and a detection sensor for detecting a postal letter drawn into the sub-chamber.

The letter delivered to the supply section is conveyed toward the take-out section while the standing state is maintained by the travel of the conveyor belt and the pin hopper. When the letter is opposed to the take-out belt, the letter is sucked into the take-out belt by the suction force of the main chamber. Is done.
The sucked postal letters are taken out one by one by running the take-out belt. At this time, the lower part of the letter is sucked by the suction force of the sub-chamber and detected by the detection sensor. When this detection is made, the control means stops the travel of the conveyor belt and the pin hopper, reduces the pressing force of the postal letter on the take-out belt, and prevents the taking of two sheets.

[0005]

However, in the prior art, since the conveyor belt travels in the horizontal direction, the pinch hopper must be moved between the pin hoppers when the postal letter is conveyed.
Postcards may fall in the opposite direction to the transport direction. In this case, the lower part of the postal letter is detected by the detection sensor before the postal letter reaches the main chamber sufficiently, and the traveling of the transport belt and the pin hopper is stopped. For this reason, the letter of a postal letter cannot be sucked into the take-out belt by the main chamber, and the take-out belt often runs idle and cannot be taken out.

In such a case, the inclination of the postal letter is corrected by hand and retrieving is resumed, so that the postal letter cannot be supplied stably, and the correction by hand is performed by fingering the belt rotating at high speed. There was also the danger of getting caught.

Therefore, the present invention prevents the paper sheets from falling down in the direction opposite to the transport direction, improves the safety of the worker by eliminating the idle rotation of the take-out belt and the need for manual correction. It is an object of the present invention to provide a paper sheet take-out device and a postal letter sorting device.

[0008]

According to the present invention, in order to solve the above-mentioned problems, the present invention is characterized in that the paper sheets are transported while holding the paper sheets in an upright position and at an inclined angle falling down in the transport direction. And a take-out means for sucking and taking out the paper sheets conveyed by the conveyance means.

According to a second aspect of the present invention, the paper sheet is placed and transported in an upright state, and the transport belt has an inclination angle at which the paper sheet falls down in the transport direction, and the paper sheet stands upright. Transport means having a holding pin that moves and moves together with the transport belt, a take-out belt for taking out the paper sheets transported by the transport means, and suction for sucking the paper sheets and adsorbing the paper sheets to the take-out belt Removing means having a chamber.

According to a third aspect of the present invention, the paper sheet is placed and transported in an upright position, and the transport belt has an inclination angle at which the paper sheet falls down in the transport direction, and the paper sheet stands upright. Transporting means having a holding pin that moves and moves together with the transporting belt, a take-out belt for taking out the papers transported by the transporting means, and an upper side of the papers for sucking the upper side of the papers to the take-out belt. Take-out means having a suction chamber for suction, a sub-chamber for sucking the lower side of the paper conveyed by the conveyance means, detection means for detecting the paper suctioned by the sub-chamber, and this detection means When the paper sheet is detected,
Control means for stopping the operation of the transport means.

According to a fourth aspect of the present invention, there is provided a conveying means for holding and conveying a postal letter having sorting information in an upright position and at an inclined angle falling in the conveying direction, and a mail conveyed by the conveying means. A take-out means for sucking and taking out a letter, reading means for reading the postal letter sorting information taken out by the taking-out means, and a sorting means for sorting the postal letter based on the sort information read by the reading means. Have.

According to a fifth aspect of the present invention, a postal letter having sorting information is placed and transported in an upright position, and the postal letter having a slant angle at which the postal letter falls down in the transport direction and the postal letter have a tilt angle. Conveying means having holding pins that move while holding the standing state together with the conveying belt, a take-out belt for taking out the postal letters conveyed by the conveying means, and a suction chamber for sucking the postal letters and adsorbing the postal letters on the taking-out belt And reading means for reading the postal letter sorting information extracted by the extracting means, and sorting means for sorting the postal letter based on the sorting information read by the reading means.

According to a sixth aspect of the present invention, a postal letter having sorting information is placed and conveyed in an upright position, and the postal letter having a tilt angle at which the postal letter falls down in the conveying direction and the postal letter are arranged. Conveying means having a holding pin that moves while holding the standing state together with the conveying belt, a take-out belt for taking out the postal letter conveyed by the carrying means, and suctioning the upper side of the postal letter to adsorb to the taking-out belt Take-out means having a suction chamber for causing the mail, a sub-chamber for sucking the lower side of the mail letter conveyed by the conveyance means, a detection means for detecting the mail letter sucked by the sub-chamber, and the detection means for detecting the mail letter Control means for stopping the operation of the transport means when a letter is detected, and a section of the postal letter taken out by the take-out means. Reading means for reading the information comprises a division means for dividing the postal letter based on the sorting information read by the reading means.

According to the present invention, the paper sheet (postal letter) is conveyed while being held by the conveying means at an inclined angle falling down in the conveying direction, so that the paper sheet (postal letter) is conveyed when the paper sheet (postal letter) is conveyed. It is possible to prevent a postal letter from falling down in the direction opposite to the transport direction, and to reliably take out a paper sheet (a postal letter) by suctioning it to a take-out unit.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. FIG. 1 shows a mail address sorting machine (hereinafter referred to as a sorting machine) provided with a supply mechanism of the present invention.

In the figure, reference numeral 1 denotes a supply unit for supplying a letter P such as a postcard or a letter as a paper sheet. A take-out unit 2 for taking out a letter P is provided in the letter supply direction of the supply unit 1. On the upper side of the take-out section 2, there is provided a transport belt 8 for holding the letter P taken out by the take-out section 2 and carrying it along the transport path 8a.

In the transport path 8a, a foreign substance detecting section 3a for detecting foreign substances in the letter P, a hard substance detecting section 3b for detecting hard objects, and an alignment for aligning the letter P are sequentially arranged along the transport direction of the letter P. And a reading unit 5 as reading means for reading the address as the sorting information of the letter P.

In the drawing, reference numerals 9... Designate a plurality of sorting boxes for sorting and accumulating letters P in accordance with the sorting information, and are arranged in a large number in the vertical and horizontal directions. The transport path 8a passes through the lower part of the sorting boxes 9 and is connected to the step path 6 for transporting to the rightmost stage of the respective sorting boxes 9.

Each of the sorting boxes 9 is provided with a gate 7 for guiding the letter P therein. 1, 3,
4 is a side view, a perspective view, and a front view showing the supply unit 1 and the take-out unit 2.

The supply section 1 comprises a pin hopper 11 for holding the letter P in an upright position, and a toothed belt 12 as a transport belt for placing and transporting the letter P in an upright state. The pin hopper 11 and the toothed belt 12 are
9 moves in the direction of the extraction unit 2 at the same speed.

The take-out section 2 is a take-out belt 1 for taking out the letter P.
4. Main chamber 15 for sucking letter P to take-out belt 14, sub-chamber 1 for sucking lower part of letter P
6. A detection sensor 17 that is turned on by being pressed by the letter P sucked by the sub-chamber 16, and a control unit that stops the toothed belt 12 and the driving mechanism 19 of the pin hopper 11 when the detection sensor 17 is turned on. 18.

The take-out belt 14 is wound around a plurality of pulleys 20 and runs endlessly. As shown in FIG. 4, air hoses 21 for sucking air in the chambers 15 and 16 are provided in the main chamber 15 and the sub-chamber 16, respectively.
22 are connected.

The take-out belt 14 is provided with holes 14a for sucking air at regular intervals. In the main chamber 15 and the sub-chamber 16, air is always sucked. At this time, when the hole 14a of the take-out belt 14 and the hole (not shown) of the main chamber 15 coincide, the letter P sent by the pin hopper 11 is taken out. It is attracted to the belt 14 and is transported upward by the running of the take-out belt 14.

By the way, the supply section 1 and the take-out section 2 are arranged so that the whole thereof is lower rightward with respect to the horizontal plane. As a result, the postal letter P that is put into the supply unit 1 and placed on the toothed conveyor belt 12 and held between the pin hoppers 11, falls down in the conveyance direction due to gravity and does not fall in the opposite direction. It has become.

As shown in FIG. 3, a protective cover 25 is provided near the surface of the take-out portion 2 to prevent human hands from easily entering the device and to enhance safety.
Next, the operation of taking out the letter P will be described with reference to FIGS.

The letter P supplied to the supply section 1 is
As shown in FIG. At this time, the lower side of the first letter P is sucked by the sub-chamber 16 and at the same time, the pressure detection sensor 17 is pressed by the lower side of the letter P to turn on. As a result, the control means 18 stops the driving of the drive mechanism 19 of the toothed belt 12 and the pin hopper 11, so that the postal letter P is not strongly pressed against the take-out belt 14. At this time, the take-out belt 14 is running, and when the hole 14a coincides with a hole (not shown) of the main chamber 15, the leading letter P is attracted to the take-out belt 14, and the frictional force of the take-out belt 14 causes the letter P shown in FIG. Sent to the top as shown in. As a result, the pressure detection sensor 17 is released, and the toothed belt 12, the pin hopper 1
1 is run again to move the postal letter P, and the subsequent letter P is pressed against the take-out belt 14 as shown in FIG. By repeating this state, letters P are taken out one by one.

As described above, the postal letters P which are taken out one by one by the running of the take-out belt 14 are sent to the upper conveying path 8a, and are sandwiched between the conveying belts 8 so that the foreign matter detecting section 3a and the hard object detecting section 3b are moved. By passing through, the presence / absence of foreign matter and hard matter is detected, and if there is no foreign matter and hard matter, it is transported to the alignment unit 4. Here, the postal letter P is sent to the reading unit 5 while the posture is being adjusted, and the address is read. After that, it passes through the lower part of the sorting boxes 9 and is sent to the rightmost step path 6 to be conveyed to the steps of the respective sorting boxes 9. It is guided and stored in the sorting boxes 9.

As described above, the postal letter P supplied to the supply unit 1 is held and transported at an angle falling in the transport direction, so that the postal letter P falls out in the opposite direction to the transport direction and is taken out as in the related art. It is not sent to part 2.

Therefore, the letter P is
And is pressed to turn on the pressure detection sensor 17,
When the running of the toothed belt 12 and the pin hopper 11 is stopped, the postal letter P does not move too far from the take-out belt 14. Therefore, the postal letter P is reliably taken out of the belt 14.
, The idling belt 14 can be prevented from idling, and manual correction is not required.

[0030]

As described above, according to the present invention, the paper sheet (postal letter) is conveyed while being held by the conveying means at an inclined angle falling in the conveying direction. During transportation, the paper sheet (postal letter) does not fall in the direction opposite to the transport direction, and the paper sheet (postal letter) can be reliably taken out by the suction unit. As a result, poor work efficiency due to the idle rotation of the take-out belt is reduced, and manual correction is reduced, thereby significantly improving the safety of the worker.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a postal letter supply / extraction unit according to an embodiment of the present invention.

FIG. 2 is an overall configuration diagram showing a mail letter address reading and sorting device.

FIG. 3 is a perspective view showing a supply / extraction unit of a postal letter.

FIG. 4 is a front view showing a supply / removal unit of a postal letter.

FIG. 5 is a diagram showing a state where the postal letter is attracted to a take-out belt.

FIG. 6 is a diagram showing a state in which a postal letter is sent upward by the travel of the take-out belt and the pressing of the detection sensor is released.

FIG. 7 is a view showing a state in which a postal letter is completely taken out.

[Explanation of symbols]

 Reference numeral 5: reading section (reading means) 9: sorting box (sorting means) P: letter letter 11 ... holding pin (transporting means) 12 ... conveying belt (transporting means) 15 ... suction chamber 14 ... take-out belt (taking-out means) 16 ... Subchamber 17: detection sensor (detection means) 18: control means

Claims (6)

[Claims] 1. A transport means for holding and transporting a paper sheet in an upright position and at an inclination angle falling in a transport direction, and taking out and taking out the paper sheet transported by the transport means. Means, comprising: a paper sheet take-out device. 2. The paper sheet is placed and transported in an upright state, the transporting belt having an inclination angle at which the paper sheet falls down in the transport direction, and the paper sheet is held in an upright state. A conveying unit having a holding pin that moves together with the conveying belt, an extracting belt for extracting the sheets conveyed by the conveying unit, and an extracting unit having a suction chamber for sucking the sheets and adsorbing the sheets on the extracting belt; A paper sheet take-out device comprising: 3. A transport belt having an inclined angle at which the paper sheet is inclined in a transport direction while placing and transporting the paper sheet in an upright state, and maintaining the upright state of the paper sheet. A transport unit having a holding pin that moves together with the transport belt; a take-out belt for taking out the papers transported by the transport unit; and a suction chamber for sucking an upper side of the papers and attracting the upper side of the papers to the take-out belt. Take-out means, a sub-chamber for sucking the lower side of the paper sheet conveyed by the conveyance means, a detection means for detecting the paper sheet sucked by the sub-chamber, and this detection means detects the paper sheet And a control unit for stopping the operation of the transport unit upon detection. 4. A postal letter having classification information in a standing position,
Conveying means for holding and conveying at a tilt angle falling in the conveying direction, extracting means for sucking and extracting postal letters conveyed by the conveying means, and sorting the postal letter information extracted by the extracting means. A mail letter sorting apparatus, comprising: reading means for reading; and sorting means for sorting the mail letter based on the sorting information read by the reading means. 5. A postal letter having sorting information is placed and transported in an upright position, and the postal letter having a tilt angle at which the postal letter falls down in the transport direction and the upright state of the postal letter are held. Conveying means having a holding pin that moves together with the conveying belt, an extracting belt for extracting a postal letter conveyed by the conveying means, and an extracting means having a suction chamber for sucking the postal letter and adsorbing the postal letter on the extracting belt, A postal letter comprising: reading means for reading postal letter sorting information taken out by the takeout means; and sorting means for sorting the postal letter based on the sorting information read by the reading means. Sorting device. 6. A postal letter having sorting information is placed and transported in an upright state, and the postal letter having a tilt angle at which the postal letter falls down in the transport direction and the upright state of the postal letter are held. Conveying means having a holding pin which moves together with the conveying belt; a take-out belt for taking out a postal letter conveyed by the carrying means; Means, a sub-chamber for sucking the lower side of the postal letter conveyed by the conveying means, and a detecting means for detecting the postal letter sucked by the sub-chamber, when the detecting means detects the postal letter, Control means for stopping the operation of the transport means; and reading for reading the postal letter sorting information taken out by the taking out means. Means a postal letter sorting apparatus characterized by comprising: a dividing means for dividing the postal letter based on the sorting information read by the reading means.