CN1210039A

CN1210039A - Apparatus for sorting or selectively collecting single flat article conveyed by conveying belt

Info

Publication number: CN1210039A
Application number: CN98118829.XA
Authority: CN
Inventors: M·波勒; J·C·奥普利格尔
Original assignee: Grapha Holding AG
Current assignee: Siemens AG
Priority date: 1997-09-01
Filing date: 1998-09-01
Publication date: 1999-03-10
Also published as: ATE214646T1; DE59706688D1; EP0899026A1; EP0899026B1; AU8188298A; JPH11139546A; KR19990029408A; CA2242546A1; AU746736B2

Abstract

An apparatus for sorting or selectively collecting flat products which are individually supplied by a conveyor (2) and are placed along the conveying path of the conveyor (2) into collecting stations arranged underneath the conveyor, wherein each collecting station is composed of a device (1) having a driveable device (3) and driveable transversely of the conveying direction of the conveyor (2). The device (3) can transmit from the preparative position (5) to a installation position (6) and accommodate the exchanged collecting container (7).

Description

With the classification of the flat article of the single input of conveyer belt or select to collect the device of usefulness

The present invention relates to collect a kind of device of usefulness with the flat article of a single input of conveyer belt as the classification or the selection of mailing parcel, printed matter or workpiece, this class object that import is placed on the conveyer belt below to be furnished with on the pipeline at a plurality of collections position.

A kind of like this device was for example disclosed in patent documentation EP-A-O638501.This device is made up of the pulling force chain link of a circulation transmission, but the fixing at regular intervals piece installing that is provided with the form of case and the piece installing device of pickup on this pulling force chain link, look from the conveyer belt direction, these piece installing devices have two walls with a hole that constitute an object spatial accommodation.Piece installing and pickup for feeding device or case can make Kong Kaida by the rotation of a wall.

The piece installing of this case both can also can be carried out in the appropriate location of case at the horizontal level of case.Get final product the emptying object when being tilted to the rotation casing, its raising middle flask Kongzui constitutes the rear end of case well.

The case of piece installing is collected the position according to one of addresses of items of mail configuration respectively, and these positions are arranged side by side in the conveyer belt direction.

The objective of the invention is to, propose a kind of object of handling input continuously that installs of above-mentioned that class, this device is fault-free ground and operation automatically almost, and can adapt to the actual conditions in space.

But being achieved in that, this purpose of the present invention collects device direction of transfer transmission, that be used for holding removable collecting box of position crop perpendicular to conveyer belt.

So just can be easy and realize that apace the object of collecting the position discharges, and do not produce the phase mutual interference discharging between object and the classification object.

In addition, apparatus of the present invention can classify the fast replacing of object or the replacing of case specification, the replacing of the object of classifying here is meant a kind of new classification object, the case specification is changed and then is meant another kind of collecting box.

Apparatus of the present invention have been avoided stand-by period or dry run big when the processed object of change.

But be preferably in the guider device that constitutes a mobile transmission as thrust unit and realize that the collecting box of a sky holds a full collecting box, has so just guaranteed running fast.

As transmission device with two moving plunger cylinder unit, or since quite the stroke motion of growing adopt the combination of plunger cylinder unit and lever transmission.But this structure of thrust unit is than the former costliness.

Two circulation pulling force chain links of an also available band cross bar that carries out guiding movement along two horizontal axis separated by a distance guarantee the moving movement of collecting box as the ladder type chain, and wherein this thrust unit requires bigger length than a reciprocating slide block.

Another kind of scheme is, saves a conveyer belt or constitutes two parallel towers on a placement plane with the dentation belt of circulation as the pulling force chain, and collecting box is placed on the pulling force chain link.

The quick replacing of collecting box and short pitch time can realize by the guider that stretches into the preparation position that is arranged on the conveyer belt both sides below conveyer belt.

When promoting a collecting box that is positioned at the piece installing position with a thrust unit, the thrust unit of the collecting box by a sky is housed and can reach pitch time fast.

The transmission of thrust unit adopts a friction roller transmission that is connected with this thrust unit to prove simply, and this transmission all produces favourable effect economically with on the function.

The simple structure of friction roller transmission preferably is made up of two two friction rollers that are connected with a live-roller, one of them friction roller mainly is responsible for the stroke motion from the thrust unit of ready position, and another live-roller then mainly is responsible for the stroke motion from the thrust unit at the piece installing position of conveyer belt.

The friction roller transmission fixes on about half of guider length, so that the dispense stroke motion, so can produce a reasonable and uniform motion process.

Cause big wearing and tearing for fear of connecting owing to the friction between thrust unit and the friction roller, friction roller is in transmission connection with a end of thrust unit towards it preparing position and piece installing position respectively.

A collecting box is determined by counteractive elastic force at last in the exact position of preparing position or piece installing position.

The piece installing position of collecting box reaches like this in the piece installing scope, and promptly collecting box is located by the supporting arrangement that can connect the collecting box tracks in the stroke motion direction before the piece installing position.

When piece installing position collecting box is located, to load onto again under the situation of ready position of collecting box of a sky connecting supporting arrangement and move to thrust unit by the thrust unit return, collecting box promotes with respect to thrust unit and puts down.That is the supporting plane of thrust unit is higher than the bottom at the piece installing position of conveyer belt below.

Supporting arrangement preferably has at least one brake lever, and this lever is connected and can changes over to like this tracks of thrust unit with guider, and promptly collecting box is positioned on the brake lever in the return motion process of thrust unit.

As the bearing of collecting box be provided with at the piece installing position dress collecting box, than the low bottom of the supporting plane of thrust unit.

For the collecting boxs of available different sizes, preferably the length with the movement travel of thrust unit makes adjustable.

The full details of not addressing in detail in specification is described with reference to the accompanying drawings.Accompanying drawing is represented:

Fig. 1 represents to be positioned at the schematic diagram of apparatus of the present invention of original position;

Fig. 2 is illustrated in this schematic representation of apparatus of leaving under the thrust unit situation;

Fig. 3 represents thrust unit this schematic representation of apparatus in return course;

Fig. 4 represents this schematic representation of apparatus of seeing from above;

Fig. 5 represents the amplification cross section of this device of cutting open along Fig. 4 V-V line.

Apparatus of the present invention 1 that Fig. 1 represents the classification that the flat article with conveyer belt 2 single inputs for example mails or selects to collect, conveyer belt 2 schematic diagram and have a translatory movement just among the figure perpendicular to the figure paper plane.

Certainly need on the transmission route, be arranged side by side multiple arrangement 1 below the conveyer belt 2, this device is determined as the collection position of input object, wherein but conveyer belt 2 has the piece installing case (can't see among the figure) on the pulling force chain link that is fixed on a transmission, and the piece installing case just is being equipped with object and emptying after covering certain transmission section above the definite collecting box in advance.

But the device 1 that is communicated with a collection position is made of a thrust unit 3 perpendicular to the direction of transfer transmission of conveyer belt 2, and this thrust unit in guider 4 (referring to Fig. 4) can move back and forth between a ready position 5 and a piece installing position 6.The thrust unit 3 that constitutes in order to hold a collecting box 7 is made up of a flat supporting member 8.This supporting member at two ends respectively by two backing rolls 9 and guide roller 10 and can in guider 4, move (referring to Fig. 5).Play a part the driving face of fixing friction roller transmission 12 on its base with the reinforcement that is roughly rectangle 11 that the direction of motion extends in parallel in order to reach bigger rigidity.

The friction gearing 12 of length mid point that is disposed generally on the movement travel of a collecting box 7 is made up of with the

friction roller

15,16 that live-roller 13 constitutes the lateral arrangement that is connected of friction with two a live-roller 13 that is connected with a motor 14, is in transmission connection and replace on the other hand with thrust unit 3 maintenances.

Fig. 1 friction roller 15 is responsible for the stroke motion from the thrust unit 3 of ready position 5, then is responsible for backstroke from the thrust unit 3 at piece installing position 6 at the live-roller 16 on live-roller 13 opposites.Have with the thrust unit 3 of its corresponding respectively

friction roller

15,16 and reach its terminal location (seeing Fig. 1 to 3) in position 5,6.

Can find out that from Fig. 1 and Fig. 2 thrust unit 3 was close on the

friction roller

15,16 with an end before stroke motion begins, preventing that

friction roller

15,16 from producing big wearing and tearing, thrust unit remain on respectively on the side of a

friction roller

15,16 by a elastic force from the terminal location effect.

In the drawback movement process of thrust unit 3, when collecting box 7 usefulness rear walls 17 were positioned on the supporting arrangement 14 of connecting with its tracks, the empty collecting box 7 at piece installing position 6 reached position accurately.This supporting arrangement 14 by two above guider 4 both sides form around the brake lever 18 that vertical axis rotates, this brake lever remains on the position that inwardly acts on by an elastic force, and outwards squeeze, thereby inwardly return rotation immediately by the collecting box 7 of process.Certainly, the also available electromechanics of the function of supporting arrangement 14 is finished.

Return motion by thrust unit 3, empty collecting box 7 is put on the solid bottom 19 that is arranged on piece installing position 6 by thrust unit 3, and this bottom is connected with guider 4.

Fig. 1 to Fig. 3 is applicable to the following functional description of device 1.

The collecting box 7 of a sky is positioned on the thrust unit 3 of ready position 5 in Fig. 1.Front end in thrust unit 3 stroke motion directions is close on the friction roller 15, and the brake lever 18 of supporting arrangement 14 outwards squeezes by collecting box 7.

Another collecting box 7 is positioned on the bottom 19 at piece installing position 6, and supplies with flat article 20 from the top by conveyer belt 2.

Connect a conveyer belt 21 that extends in parallel with conveyer belt 2 on the front end in guider 4 directions of feed, this conveyer belt 21 continues to transmit 6 collecting boxs of filling object 7 of discharging from the piece installing position.Thrust unit 3 ready position 5 of packing into can carry out with hand or with automatic feed arrangement.Backstop 22 on the rear end of thrust unit 3 is determined the " loaded " position of collecting boxs 7 and to 8 booster actions of the supporting member in reinforcement 11 scopes.

According to Fig. 2, the thrust unit 3 that an empty collecting box 7 will be housed by stroke motion is shifted onto on the conveyer belt 21 by thrust unit 3 front ends from piece installing position 6 with the collecting box 7 of filling object 20.For this reason, for example configurable loading monitoring arrangement of aiming at collecting box 7 in piece installing position 6, this device discharge collecting box 7 automatic exchange and with 2 controlled connections of conveyer belt.

In carrying out stroke motion or backstroke motion process, thrust unit 3 was crossed these positions and is sprung back to by a counteractive spring (not shown) braking and short distance it is in transmission connection with an end and

friction roller

15,16 maintenances before original position that reaches ready position 5 or piece installing position 6 or resting position.Original position can for example be determined near switch with one indirectly.

For the ease of take off the collecting box 7 of filling part at piece installing position 6, these collecting boxs are released by the front end of thrust unit 3, wherein, this release location can be determined near switch by one again, and the backstroke of thrust unit 3 motion or backhaul resemble that this thrust unit just can be by a control device release after being in transmission connection with friction roller 16 ready position 5.

As shown in Figure 3, in the backhaul of thrust unit 3, collecting box 7 is promoted by the thrust unit 3 that turns back to ready position by supporting arrangement 14.When thrust unit 3 was released empty collecting box 7 fully, this collecting box just was positioned on the bottom 19 at piece installing position 6.

The plan representation thrust unit 3 of Fig. 4 is in original position, and on this position, this thrust unit loads the collecting box 7 of a sky.

Light-operated switch 23 sends a control signal that a collecting box 7 is arranged at piece installing position 6.

Claims

By means of the flat article (20) of the single input of a conveyer belt (2) as the classification of mailbag, printed matter or workpiece or select the device (1) collected, these flat articles are placed on the conveyer line at a plurality of collections position, conveyer belt below, it is characterized in that, collect the position and constitute by a device that is used for loading removable collecting box (7) that can be transferred to a piece installing position (6) from a ready position (5) perpendicular to conveyer belt (2) direction of transfer.
2. by the device of claim 1, it is characterized in that, be provided with a thrust unit (3) that can in guider (4), move and load removable collecting box (7).
3. by the device of claim 2, it is characterized in that guider (4) extends to the ready position (5) that is arranged on conveyer belt (2) both sides in conveyer belt (2) below.
4. by the device of claim 3, it is characterized in that the thrust unit (3) that the collecting box (7) of a sky is housed makes and can promote a collecting box (7) that is positioned at conveyer belt (2) below.
5. by each device of claim 2 to 4, it is characterized in that thrust unit (3) is connected with a friction roller transmission device (12).
6. press the device of claim 5, it is characterized in that, friction gearing (12) is made of two friction rollers that are connected with a live-roller (13) (15,16), wherein, the stroke motion of the corresponding thrust unit (3) from ready position (5) of a friction roller (15), the stroke motion of the thrust unit (3) at the then corresponding piece installing position (6) from conveyer belt (2) of another friction roller (15).
7. by the device of claim 6, it is characterized in that friction gearing (12) roughly is arranged on half length of guider (4).
8. by each device of claim 2 to 7, it is characterized in that thrust unit (3) is used respectively towards an end and a friction roller (15,16) of a friction roller (15,16) at ready position (5) and/or in piece installing position (6) and is in transmission connection.
9. by the device of claim 8, it is characterized in that thrust unit (3) is realized by an opposite elastic force memory of direction at the terminal location of ready position (5) or piece installing position (6).
10. press the device of at least one of claim 1 to 9, it is characterized in that collecting box (7) is positioned on the piece installing position (6) with its tracks supporting arrangement (14) that connect and that have an effect in piece installing position (6) in the stroke direction of motion before by one in thrust unit (3) drawback movement process.
11. the device by claim 10 is characterized in that, the empty collecting box (7) in piece installing position (6) is put down by thrust unit (3) by the supporting arrangement (14) of connection and the drawback movement of thrust unit (3).
12. the device by claim 10 and/or 11 is characterized in that, supporting arrangement (14) is made of the brake lever (18) at least one tracks that be connected with guider (4) and that can change thrust unit (3) over to.
13. by each device of claim 1 to 12, it is characterized in that, on piece installing position (6), be provided with one be used for adorning collecting box (7), than the low bottom (19) of the supporting plane of thrust unit (3).
14. by each device of claim 2 to 13, it is characterized in that, the length of stroke motion be can be in harmonious proportion telescopic.