The specific embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
Fig. 1~Fig. 5 represents embodiment 1.Fig. 1 (a) is the concise and to the point lateral plan of transfer system 1 of the article group of embodiment 1.Fig. 1 (b) be by the top see wherein conveyer 20 and the birds-eye view of connection device 30.
Transfer system 1 has: feedway (the 1st conveying unit) 10, conveyer (the intermittent transfer device of article group) 20, connection device (the 2nd conveying unit) 30 and control part 28.
In transfer system 1, supply to the article M of conveyer 20 by feedway 10, having on the direction of transfer X under n the state that is deposited in together, form one group, formation article group Ci by n.When conveyance behind the connection device 30, by connection device 30 conveyances to next stage.
Fig. 2 (a) is the concise and to the point schematic perspective view of an example of feedway 10 and connection device 30.Shown in Fig. 2 (a), feedway 10 comprises that a pair of is the continuous or intermittent rotating disc 11 that rotates at center with S. A. O.Form the grooving shape maintaining part 12 that many places are used to insert article M with certain interval on the rotating disc 11.Between maintaining part 12 on the rotating disc 11 and that maintaining part 12 is adjacent, be formed with to the outstanding release portion 13 in rotating disc 11 outsides.
The whole on one side rotation of feedway 10, by maintaining part 12 receive the article M that from feedway 15 supply with on one side, thereby article M is placed the 1st position (receiving position) P1 on the bottom (the 2nd support sector) 23 of conveyer 20.The release portion 13 of rotating disc 11 is till next article M places P1, and the article M that will be positioned on the 1st position P1 shifts the 2nd position P2 onto.Thus, article M just can intermittently supply to bottom 23 by the rotation of rotating disc 11.
Shown in Fig. 1 (a), near the position the bottom 23 of the centre of gration O preset distance R1 that the 1st position P1 is meant at distance rotating disc 11, and near the position the bottom 23 of the centre of gration O predetermined distance R2 that the 2nd position P2 is meant at distance rotating disc 11.At this, distance R 1 is equivalent to the radius to the recess of maintaining part 12 by the centre of gration O of rotating disc 11, and distance R 2 is equivalent to the radius to release portion 13 first end parts by the centre of gration O of rotating disc 11, and both relations are R1<R2.
In addition, feedway 10 is the object that comprises maintaining part 12 and release portion 13, is a pair of rotating disc 11 and have more than.
Shown in Fig. 2 (a), conveyer 20 comprises: the a pair of the jointless the 1st and the 2nd belt 21,22 and actuating device D1, D2.The the 1st and the 2nd 1st and 2nd motor (actuating device) D1, the D2 (Fig. 3) of belt 21,22 by forming by pulse motor or servomotor, and can drive independently of one another.
The the 1st and the 2nd motor D1, D2 are controlled by following control part 28 (Fig. 1).In addition, control part 28 receive from the 1st with the rotation information relevant of the 2nd motor D1, D2 with rotation.In addition, be the scheme drawing of signal flow at Fig. 1 (a), so signal wire (SW) etc. represent that with single line and in fact, single line shown in Fig. 1 (a) also can be many lines.
On the 1st belt 21 of Fig. 2, be provided with the 1st pawl (the 1st transport unit) N1, and on the 2nd belt 22, be provided with the 2nd pawl (the 2nd transport unit) N2.Two pawl N1, N2 go up at the transfer path (transmission road) of mutual almost parallel along conveyance direction X with the 1st and the 2nd belt 21,22 by the 1st and the 2nd motor D1, D2 (Fig. 2) separately and move.Pawl N1, N2 move on transfer path, promote the bottom of article M rear end, with conveyance article group C.The moving velocity of pawl N1, N2 also can be different.
Shown in Fig. 2 (b),, also conveyance sheet T1, T2 can be installed on pawl N1, N2 in order effectively to promote the rear portion of article M.A part that is installed in the conveyance sheet T1 on the 1st pawl N1 also can place on the 2nd belt 22.Equally, a part that is installed in the conveyance sheet T2 on the 2nd pawl N2 also can place on the 1st belt 21.For this reason, the shape of conveyance sheet T1, T2 is preferably under the state that conveyance sheet T1, T2 are installed on pawl N1, the N2, and one of them pawl N1 (N2) can also surpass another pawl N2 (N1).This is to contact and cause breakage for fear of conveyance sheet T1, T2.Fig. 2 (b) is such conveyance sheet T1, the example of T2.In addition, for the purpose of simplifying the description, in other figure, pawl N1, N2 be not to install the state representation of conveyance sheet T1, T2.But in other embodiments, conveyance sheet T1, T2 can be installed also on pawl N1, the N2.
On the other hand, the position above leaning on slightly than two belts 21,22 is provided with the support sector 23 below the holding articles M.This is in order not make article group C direct contact belt 21,22.For example, can the bottom 23 that be made of cylinder material or sheet material etc. be set, form support sector in the position (level) above leaning on slightly than two belts 21,22.Article group C supports its bottom by bottom 23, and pawl N1, N2 promote the rear portion of article M, makes article group C 23 slips along the bottom, thus conveyance article group C.In addition, for simplicity, in Fig. 1 (a) and Fig. 4~Fig. 7, shown in belt 21,22 and bottom 23 above be in same level.
In addition, also can form support sector in the both sides of article group C transfer path.For example, shown in Fig. 1 (b), can be provided with conveyance in article M both sides contacted, clamp the side plate (the 1st support sector) 25,26 of article M and form support sector by both sides.
In addition, this device is piled up formation article group C with n predetermined article M, again next stage is arrived in article group C conveyance.And the formation method of article group C will describe in following actions.
In above-mentioned conveyer 20, belt 21,22 is opposed with article group C every work bottom 23.But the structure of conveyer 20 is not limited in this.For example, belt 21,22 was both configurable at article group C sidepiece, and was also configurable on article group C top.
And shown in Fig. 8 (a), also can carry out conveyance by the top that pawl N1 (N2) promotes the rearward end of article group C.Also can be shown in Fig. 8 (b), (c), the pawl N1 (N2) that moves around, the pawl N1 (N2) that makes Fig. 8 (b) is towards conveyance direction X, promoting article group C on the X1 of outlet carries, shown in Fig. 8 (c), pawl N1 (N2) is fallen down then, return by loop X2 along the direction opposite with outlet X1.
The connection device 30 of Fig. 3 comprises: a pair of belt conveyor 31,32 and the 3rd support sector 39 that the 3rd motor (actuating device) that is made of for example servomotor etc. drives.Because the 3rd support sector 39 is supporting the bottom of each article of article group C, so shown in Fig. 2 (a), the setting that both can link to each other with bottom 23 also can divide to be arranged.Each pawl N1, N2 alternately enter in the space 35 between the upper reaches portion of two belt conveyor 31,32 of Fig. 3, transmit article group C by each pawl N1, N2 to connection device 30. Belt conveyor 31,32 can be clamped two sides of article group C, and next stage is arrived in article M conveyance.
As shown in Figure 1, native system also can comprise the 1st~the 3rd sensor S1~S3.Each sensor S1~S3 also can be the optical sensor that for example detects article M.Each sensor S1~S3 can with according to the detection signal of article M and the control part 28 that each device is controlled is connected.Control part 28 can be made of for example microcomputer.
Detect the article M of the 1st position P1 as the 1st sensor S1 after, just send detection signal to control part 28.After receiving the detection signal that sends by the 1st sensor S1 when control part 28, counting machine is added one, the number of the article M that supplies with by conveyer 20 of adding up.
As article group C arrival conveyance starting position P20, the 2nd sensor S2 just sends detection signal to control part 28.Control part 28 receives the detection signal that is sent by the 2nd sensor S2.Control part 28 is according to the rotation information of the 1st and the 2nd motor D1, D2, and among pawl N1, the N2 one is moved to conveyance direction X, and article group C conveyance best friend tipping is put 30.
When the position P30 of output was finished in article group C arrival, the 3rd sensor S3 sent detection signal to control part 28.When control part 28 receives detection signal, stop the rotation of the belt 21 (22) of conveyance article group C, simultaneously, drive two belt conveyor 31,32 of connection device 30, with article group C conveyance to next stage.
Below, native system can generate article group, and carry out conveyance as the example of the conveyance of following article M action.
In native system, behind article group C of the 1st pawl N1 conveyance, the 2nd another article group of pawl N2 conveyance C, then, the 1st pawl N1 is another article group of conveyance C again.As described below, be the situation of example explanation conveyance with the 1st pawl N1.
The 1st counting:
Shown in Fig. 4 (a), with the article M conveyance of predetermined number (n) bottom 23, form formerly article group (below, claim " the 1st article group ") C to conveyer 20
1State be that example describes.The 1st pawl N1 that dots is by conveyance sheet T1 and the 1st article group C
1Back Mb contact.On the other hand, the rotation of the rotating disc 11 by feedway 10 makes the 1st article M that remains on maintaining part 12
1The bottom contact with the top of bottom 23, with the 1st article M
1Place the 1st position P1.As the 1st article M
1When placing the 1st position P1, the 1st sensor S1 just will detect the 1st article M
1And control part 28 just increases Counter Value when receiving the detection signal that is sent by the 1st sensor S1.
Shown in Fig. 4 (b), rotating disc 11 continues rotation, the 1st article M again
1Break away from maintaining part 12, one side and 13 touchings of release portion, one towards conveyance direction X.Utilize this promotion, make the 1st article M
1Front end face Mf and the 1st pawl N1 or article group C
2The rear portion contact, thereby can prevent as next article group (below, be called " the 2nd article group ") C by pawl N1 etc.
2The article M of component part
1Fall down forward.
2nd, 3 countings:
By next maintaining part 12 to next the 2nd article M of the 1st position P1 conveyance
2, and detect the 2nd article M by the 1st sensor S1
2, send detection signal to control part 28 then.When control part 28 receives the detection signal that is sent by the 1st sensor S1, just increase Counter Value.At this, remain on the 2nd article M of maintaining part 12
2With the 1st article M
1Be placed in equally on the bottom 23.
Shown in Fig. 4 (c), along with the promotion of release portion 13, the 1st pawl N1 is with the 1st article M
1Conveyance to the 1 position P1, then, at the 2nd article M of next article
2In time before conveyance to the 1 position P1, push ahead the distance of having only article thickness size with low velocity, article M
1Pawl N1 near so that touch the 1st article M
1Push ahead under the state of fwd Mf.
Shown in Fig. 5 (a), remain on the 3rd article M of maintaining part 12
3Place the 1st position P1 on the bottom 23, the 2nd article M
2Release by release portion 13.Detect the 3rd article M of the 1st position P1 as the 1st sensor S1
3The time, control part 28 will increase Counter Value.
At this, along with article being moved, at conveyance the 2nd article M by release portion 13
2Afterwards, during till the 3rd article transport to the 1 position P1 of next article, the 1st pawl N1 has pushed ahead the spacing that is equivalent to article thickness size continuously with low velocity.Also promptly, at pawl N1 and the 1st article group C formerly
1Rear portion Mb joins, and the 2nd article group C after conduct
2Guide's the 1st article M
1Under the state that front end face Mf joins, pushed ahead the spacing that is equivalent to article thickness size.Because each article M clamps two sides by side plate 25,26 (Fig. 1), therefore, forms the 2nd article group C
2Each article M, be clipped between release portion 13 and the pawl N1, with the stacking states proper alignment of joining.In addition, as the 1st article group C
1When reaching conveyance starting position P20, the 1st pawl N1 just moves with the speed higher than previous low velocity to conveyance direction X, the 1st article group C
1Just to connection device 30 direction conveyances.
4th, 5 countings:
Then, shown in Fig. 5 (b) and Fig. 5 (c), remain on the 3rd and the 4th article M of maintaining part 12
3, M
4Place successively on the bottom 23, the 1st sensor S1 detects article M successively
3, M
4, control part 28 increases Counter Value according to detection signal.Afterwards, the next article M that releases by release portion 13
iArticle group C with conveyance before this
2Previous article M
I-1Join, be piled into row.
On the other hand, by the rotation of the rotating disc 11 shown in Fig. 5 (c), as the 2nd article group C that remains on maintaining part 12
2Last article M
nWhen placing on the bottom 23, the 2nd pawl N2 and last article M
nThe Mb of back contacts.
In addition, the conveyance of native system 1 action is not only limited to as mentioned above.Can also be for example, by the 1st pawl N1 with the 1st article group C
1Move to by the 2nd sensor S2 and detect the 1st article group C
1The position on, in the time of then till article M is accumulated to defined amount, stop the 1st pawl N1.The 1st article group C
1And fill up article M between the release portion 13, so just can keep the upright state of article M.Supply to the 1st article group C
1And the predetermined number of the article M between the release portion 13, can detect article M by the 1st sensor S1 and calculate.
With Fig. 5 (b) action of connection device 30 is described.
Shown in Fig. 5 (b), the 1st pawl N1 is by the 2nd article group C
2The 1st article M
1Front end face Mf break away from, promote the 1st article group C
1The Mb of back makes the 1st article group C
1Begin conveyance to conveyance direction X at a relatively high speed.The 1st article group C
1Guarantee the conveyance under the state that does not fall forward of each article with sidepiece 25,26.
During conveyance, maintaining part 12 can be supplied with the 2nd article group C
2Article M
i
On the stop position Ps shown in Fig. 5 (c), be preferably the 1st pawl N1 and temporarily stop.But, as the 1st article group C
1Shape when not changing, just need not stop the 1st pawl N1 or conveyance sheet T1.
As the 1st article group C
1When reaching output completing place P30, the 3rd sensor S3 will detect the 1st article group C
1Send detection signal to control part 28 ahead.When control part 28 receives detection signal, will temporarily stop the 1st belt 21 and the 1st pawl N1, and begin to drive belt conveyor 31,32.The 1st article group C
1Clamped by two belt conveyor 31,32, proper alignment to the next stage conveyance.
In addition, detect the 1st article group C as the 3rd sensor S3
1During the rear end, can the 1st pawl N1 and the 1st belt 21 high-speed driving once more, get back to the position of the 2nd pawl N2 of Fig. 4 (c).
On the other hand, to the 2nd article group C
2Repeat the supply and the counting of above-mentioned article.
Embodiment 2:
Below embodiment 2 is described.
Fig. 6 is the brief configuration figure of transfer system 2 of the article group of present embodiment 2.Transfer system 2 comprises: feedway 10, conveyer 20, connection device 30 and control part 48.The structure of the feedway 10 of transfer system 2, conveyer 20 and connection device 30 and above-mentioned embodiment 1 basic identical indicates prosign at this to same section or considerable part, and detailed.
Control part 48 is connecting the 4th~the 8th sensor S4~S8.The 4th sensor S4 detects article M and whether supplies to feedway 10, and detection signal is delivered to control part 48.The 4th sensor S4 can be an optical sensor.The the 5th and the 6th sensor S5, S6 detect the rotation information of belt 21,22, then rotation information are delivered to control part 48 as detection signal.The 7th sensor S7 detects the rotation information of rotating disc 11, then rotation information is delivered to control part 48 as detection signal.Control part 48 one side bases are understood the transfer rate of article M from the detection signal of the rotation information of the 7th sensor S7, on the other hand, according to the opportunity (timing) of understanding article M conveyance from the detection signal of the 4th sensor S4, can be according to these two kinds of information at predetermined instant moving jaws N1, N2.
After the 8th sensor S8 detects the rotation information of connection device 30, rotation information is delivered to control part 48 as detection signal.For example, the 5th~the 8th sensor S5~S8 is potential meter also, in addition, can be with chain link (link) the type sensor that is installed on the motor, generate detection signal according to the rotation of motor.In addition, also can not use the 5th~the 8th sensor S5~S8, but rotate required signal synchronously, generate rotating signal according to the motor of motor that driven in rotation dish 11 is rotated and driving belt 31,32.
Control part 48 makes the 1st pawl N1 be readiness for action on the position of readiness Q2 of receiving position P1 upstream side.Also can stop the 1st pawl N1 and make its standby.Control part 48 is according to counting article M from the detection signal of the 4th sensor S4, and its number reaches predetermined number K
1(K
1Be more than 2) time, the 1st pawl N1 by the intermediate stop position Q3 that position of readiness Q2 moves to Fig. 7 (a), is stopped then.Intermediate stop position Q3 is positioned on the mobile path, is provided with to hold between the 1st pawl N1 and rotating disc 11 to be less than predetermined number K
1Predetermined number K
2The gap of individual article M size.Control part 48 can find intermediate stop position Q3 according to the rotating signal of motor.
Shown in Fig. 7 (b), by the predetermined number K in feedway 10 these gaps of supply
2Article M.Control part 48 by the 1st pawl N1 with the 1st article group C
1Move to and stop outgoing position Q4, stop (Fig. 7 (c)) then.Control part 48 can calculate predetermined number K according to the detection signal from the 4th sensor S4
2Stop outgoing position Q4 and be connection device 30 reception article group C
1The position.
When the 1st pawl N1 stops at when stopping outgoing position Q4, control part 48 control article group C
1Conveyance certain distance on connection device 30.Control part 48 can make article group C according to the detection signal from the 8th sensor S8
1The certain distance of conveyance on connection device 30.
When being moved beyond of the 1st pawl N1 stopped outgoing position Q4, for getting back to position of readiness Q2, the 1st pawl N1 just needed to change moving direction.The 1st pawl N1 stop at the main reason that stops outgoing position Q4 be because: when the 1st pawl N1 changes moving direction, can be to article group C
1Upright state exert an influence.In the time can not producing this influence, just there is no need to make the 1st pawl N1 to stop at and stop outgoing position Q4.
The 2nd pawl N2 carries out identical action with the 1st pawl N1.And be preferably control the 1st and the 2nd pawl N1, N2 and make that they can mutual overtaking.
Abovely a kind of preferred implementation is illustrated with reference to accompanying drawing.And the actual behaviour of this area practitioner is easy to according to this specification sheets, finds out various changes and correcting mode in self-explantory scope.
For example, can establish a plurality of pawls at a belt.Also can adopt pawl and belt more than three in addition.The detection of article also can be with other sensor beyond the photoelectric switch.
Bottom 23 or the side plate 25,26 of Fig. 2 also can be set in addition.For example, can bottom 23 be set a part at the handing-over article.
And, also can not use bottom and side plate, but be provided with bar-shaped or rail-like support sector.
In conveyer of the present invention, both can supply with article one by one, also can supply with a plurality of simultaneously.
" article " of this specification sheets comprise: disposable dressing articles such as sanitary napkin, paper nappy and trousers, and can be in conveyance under the folded state.
As the actuating device among the present invention, pulse motor or the such motor of servomotor can be set respectively on the 1st and the 2nd pawl, also can by driving above-mentioned cam mechanism, this two pawl of the 1st and the 2nd pawl be moved simultaneously by a motor driven to drive cam mechanism.
In the present invention, join at the aft end face of above-mentioned each pawl with the article group ahead that constitutes by n article, and under the state that the front end face with the article ahead of the next article group that becomes above-mentioned article group ahead joins, push ahead the distance that only is equivalent to above-mentioned article thickness size.Also can after the plural above-mentioned article arrangement in the above-mentioned next article group that generates is neat, break away from above-mentioned front end face, promote the aft end face of above-mentioned article group ahead, the above-mentioned article group ahead of conveyance.
Because during till the plural above-mentioned article proper alignment in the article group that each pawl generates when the aft end face with above-mentioned article group ahead joins, to the next one, front end face with article joins always, promptly, before the state that the article that form the next article group of composition can not fall down, join with holding articles with the front end face of the article of next article group, forwards fall down so just can prevent above-mentioned next article group.
In addition, article just can not fall down easily because plural article are stacked into together, so, the pawl that contacts with the aft end face of article group can break away from the next front end face that generates article group, next when generating in the article group plural article when being supplied with by conveyer, pawl just can be sent to article group ahead the connection device of next stage.
In the present invention, the two sides that the article in a pair of and the conveyance can be set in the both sides of the transfer path of above-mentioned article contact and by the 1st support sector of the two sides clamping of above-mentioned article.The 1st support sector constitutes the part of above-mentioned support sector at least.
Article are clamped by two sides by a pair of the 1st support sector, can be with the state conveyance article group that keeps article not fall forward.
In the present invention, comprising: jointless the 1st belt and jointless the 2nd belt that above-mentioned the 2nd pawl is installed that above-mentioned the 1st pawl is installed.The the above-mentioned the 1st and the 2nd belt is arranged to mutual almost parallel.On the position above the above-mentioned the 1st and the 2nd belt more leans on, be provided with the 2nd support sector that supports below the above-mentioned article.The 2nd support sector constitutes the part of above-mentioned support sector at least.
Except that the belt that pawl is moved, also be provided with the 2nd support sector below the holding articles, so just can make article conveyance under stable status more.
On the other hand, below the also available strap surface holding articles, and when the 2nd support sector adopts friction coefficient to constitute less than the material of the friction coefficient between belt and article, conveyance article more reposefully just.
In addition, pawl can be installed on the belt, also can be fixed on the such traction element that can draw pawl of chain and metal filament.In addition, belt can be arranged on the top and the side of article.And pawl also can move around, and at this moment, promotes article group on the outlet, and the loop dewclaw just fell.
Other system of the present invention can be: upper class and next stage at the conveyer of above-mentioned article group are provided with feedway and connection device respectively, after on the 1st position that article one by one is put into successively above-mentioned conveyer by above-mentioned feedway, the article of the 1st position can be pushed on the 2nd position of its next stage.After n article are shifted above-mentioned the 2nd position onto, just form one group of article group, the aft end face of above-mentioned the 1st pawl and this article group joins, simultaneously above-mentioned the 1st pawl is further pushed ahead, with above-mentioned article group to above-mentioned connection device conveyance.
In the present invention, above-mentioned connection device comprises: a pair of jointless belt conveyor of clamping the two sides of above-mentioned article group.Above-mentioned each pawl can alternately enter the space between the above-mentioned a pair of belt conveyor, above-mentioned each article group is sent to above-mentioned connecing hands over the position.
Connection device can be provided with the guide member of guiding article two sides, and the slat type of conveyor below the holding articles also can be set.
Aforesaid change and correction etc. can be regarded as the content that belongs to the scope of the invention that request scope according to the present invention is formulated.
According to the present invention, replace the conveyance article group by the 1st and the 2nd pawl (transport unit), so improved the conveyance processing capacity, in addition, owing to be not that article group is clamped at the rear in the past, but the aft end face that promotes article comes the conveyance article, so the connection device of next stage (the 2nd conveying unit) can receive article group at an easy rate.