Conveyer
Technical field
The present invention relates to the transmission in manufacturing line of article etc.
Background technology
In the manufacturing of wearing articles such as stock production sanitary napkin, after article are cut off, or after article are imposed given processing, the transfer rate of these article is carried out acceleration and deceleration (for example, open flat 8-52696 number, spy with reference to the spy and open clear 63-317576 communique).
, open in the manufacturing installation of flat 8-52696 communique, because article are delivered on the big roller of circumferential velocity from the little roller of circumferential velocity, so when transmitting, article might produce slip with respect to roller the spy.Its result exists the position of article transmitting the worry that produces the position changing of the relative positions on (rotation) direction.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of volume little, in light weight, and do not worry that article produce the conveyer of the position changing of the relative positions on direction of transfer.
Conveyer of the present invention is characterised in that: comprising:
The use cutting machine cuts off the supply part that the back generates article and leftover pieces, arrives the downstream when discharging above-mentioned leftover pieces, with goods supply with former base;
With the 1st speed from above-mentioned supply part, accept above-mentioned article, while the article that keep and transmit this acceptance, change transfer rate, these article be delivered to the transfer member in downstream with the 2nd speed;
From above-mentioned transfer member, accept the parts of accepting of above-mentioned article with above-mentioned the 2nd speed or with the approximate speed of the 2nd speed.
In the present invention, the article that generated by above-mentioned former base are passed to from supply part in the transfer member, are the 2nd speed by this transfer member from the 1st speed speed change, afterwards, are shifted into and accept parts.Therefore, from transfer member when accepting component transfer, do not need to make the transfer rate of article to produce big speed change, can not produce slip so worry article.
Other conveyer of the present invention is accepted flap with the 1st speed from supply part, Yi Bian keep and transmit the flap of this acceptance, Yi Bian change transfer rate, with the 2nd speed this flap is delivered to the downstream, and this conveyer comprises:
Can be with the 1st and the 2nd swivel of different mutually speed rotations;
Turn up the soil in space on the direction of transfer of flap configuration and rotate with above-mentioned the 1st swivel, a plurality of the 1st maintaining parts till article are remained to payment after accept;
Turn up the soil in space on the direction of transfer of flap configuration and rotate with above-mentioned the 2nd swivel, a plurality of the 2nd maintaining parts till article are remained to payment after accept;
The 1st speed changing portion that the cireular frequency of above-mentioned the 1st swivel is changed;
The 2nd speed changing portion that the cireular frequency of above-mentioned the 2nd swivel is changed;
Above-mentioned a plurality of the 1st maintaining part is set, so that in above-mentioned a plurality of the 1st maintaining parts one when above-mentioned supply part is accepted flap, other all the 1st maintaining parts in above-mentioned a plurality of the 1st maintaining part are not in pays on the position of flap to above-mentioned receiving portion part, above-mentioned a plurality of the 2nd maintaining part is set, so that in above-mentioned a plurality of the 2nd maintaining parts one when above-mentioned supply part is accepted flap, other all the 2nd maintaining parts in above-mentioned a plurality of the 2nd maintaining parts are not in pays on the position of flap to above-mentioned receiving portion part.
Above-mentioned the 1st speed changing portion changes the cireular frequency of the 1st swivel, and the circumferential velocity of above-mentioned thus a plurality of the 1st maintaining parts changes.Therefore, the 1st maintaining part can be accepted article with the 1st speed, with the 2nd speed delivery of items.The 2nd maintaining part can be identical with the 1st maintaining part.
The 1st maintaining part is configured on above-mentioned the 1st swivel, and above-mentioned the 1st maintaining part is with the rotation of mutually the same speed, so when in above-mentioned a plurality of the 1st maintaining parts one accepts article, other the 1st maintaining part nondelivery article.The 2nd maintaining part can be identical with the 1st maintaining part.
In the present invention, the 1st speed changing portion also can directly apply rotational force to the 1st swivel, makes the 1st swivel produce speed change.And also can be in the 1st maintaining part one applies rotational force, transmits rotational force by the 1st maintaining part to the 1st swivel, applies rotational force by this swivel to other the 1st maintaining part and also can.The 2nd maintaining part can be identical with the 1st maintaining part.
In the present invention, maintaining part can hold article by the negative pressure of air, also can use pressure arm to wait and push down article.
In the present invention, when the accepting of article and/or when paying, can carry out some acceleration and deceleration to the transfer rate of article.For article produce to be slided, when accepting, can strengthen the transfer rate that maintaining part transmits article, the conveyer of the present invention article that can stretch transmit, so that do not make article go out fold.And when paying, the transfer rate in the time of can reducing to transmit article, the conveyer of the present invention article that can stretch transmit, so that do not make article go out fold.
In this manual, the notion of so-called ' former base ' is meant that cutting machine cuts off flap before, except long flap continuous as meshwork, also comprises discontinuous flap.
In the present invention, with regard to ' article ', mainly be meant wearing article.At this, the notion of so-called ' wearing article ' comprises the cloth and silk that above-mentioned maintaining part can hold and the laminated body of fiber etc., also comprises finished product, the half-blank of sanitary napkin and disposable diaper or pants.
And the notion of so-called ' flap ' comprises the cloth and silk of single layer or multilayer, film, meshwork, laminated body etc.So-called meshwork comprises staple fiber nonwoven fabric, nonwoven fabric of long fibers, Wet-laid non-woven fabric, dry type nonwoven fabrics, air lamination nonwoven fabrics, dry-process nonwoven pulp fabric, carded formula nonwoven fabrics, run-in index nonwoven fabrics, intersects to spread and put formula nonwoven fabrics, omnidirectional nonwoven fabrics, spun bond nonwoven fabric or melt spraying non-woven fabrics.
In conveyer of the present invention, leftover pieces can be discharged to the outside of this conveyer.Therefore, can not make leftover pieces that the cutlery of cutting machine is caused damage.And, do not worry that leftover pieces snarl conveyer.And, also can leftover pieces be discharged by vacuumizing.
In conveyer of the present invention, can make the article that cut out by ribbon change to the 2nd speed v 2 from the 1st speed v 1.Therefore, can change interval between article.Under the 2nd velocity ratio the 1st fireballing situation, the interval broad between article.On the contrary, under the 2nd velocity ratio the 1st slow-footed situation, the interval between article is narrower.Particularly from ribbon, cutting out expeditiously under the situation of article, narrower by cutting machine from the interval of the article that cut out of band flap., for example, in subsequent handling, under situation about on the direction of transfer of the article that cut out these article being configured on the long band etc., conveyer of the present invention can enlarge the interval of article.
In other conveyer of the present invention, a plurality of the 1st maintaining parts of configuration on the 1st swivel, a plurality of the 2nd maintaining parts of configuration on the 2nd swivel.Therefore, compare with the conveyer that 1 maintaining part only is set on 1 swivel, other conveyer of the present invention can miniaturization, lightweight.For example, open in the device shown in the clear 63-317576 communique,, need the swivel more than 5 in order to move 5 maintaining parts the spy.
, in other conveyer of the present invention, because on 1 swivel, dispose a plurality of maintaining parts, so can make the number of swivel be less than the number of maintaining part.
When enlarging the interval of adjacent article by other conveyer of the present invention, the 2nd maintaining part is between the 1st adjacent maintaining part, and the rotative speed of the 2nd swivel is according to the number that is disposed at the 2nd maintaining part on the 2nd swivel and speedup and deceleration.Equally, the 1st maintaining part between the 2nd adjacent maintaining part, speedup and the deceleration of the rotative speed of the 1st swivel according to being disposed at the number of the 1st maintaining part on the 1st swivel.
Description of drawings
Fig. 1 is the structural representation of an example of expression conveyer of the present invention.
Fig. 2 is the schematic perspective view of an example of expression conveyer.
Fig. 3 is the mode chart of an example of expression conveyer.
Fig. 4 is the longitudinal sectional drawing and the transverse cross-sectional view of an example of the concrete structure of expression conveyer.
Fig. 5 is other routine mode chart of expression conveyer.
Nomenclature: 1 supply part, 2 conveyers, 3 receiving devices, 13 die-cut moulds, 20A the 1st liner, 20B the 2nd liner, 21 the 1st swiveies, 22 the 2nd swiveies.
The specific embodiment
From the explanation of following preferred implementation, more can clearly understand the present invention with reference to accompanying drawing., embodiment and accompanying drawing are just in order to illustrate and to illustrate.Scope of the present invention must be determined according to the scope of claim.In the accompanying drawings, the identical parts label in a plurality of accompanying drawings is represented identical or cooresponding part.
Below, an embodiment of the invention are described with reference to the accompanying drawings.
In Fig. 1, transfer system comprises supply part 1, conveyer 2 and receiving device 3.
As described below, the former base Na of 1 pair of above-mentioned supply part as continuous net-shaped thing carries out die-cut and generates article N and leftover pieces T, above-mentioned article N is supplied to the conveyer 2 in downstream.Above-mentioned supply part 1 comprises cutting roller 10, anvil roll 11 and attraction portion 12.Above-mentioned cutting roller 10 possesses the die-cut mould 13 of 1 ring-type at least on periphery, while by rotating above-mentioned die-cut mould 13 is contacted with anvil roll 11, carry out die-cut and generation article N and leftover pieces T to former base Na.Above-mentioned leftover pieces T is attracted portion 12 and attracts the back discarded.On the other hand, above-mentioned article N is inhaled on the surface of anvil roll 11, accepts position RP along with the rotation of anvil roll 11 is sent to.
Also configuration cuts roller 10 and anvil roll 11 conversely hold article N by cutting roller 10, and send it to and accept position RP.But, in this case, because the die-cut mould 13 of cutting roller 10 also contacts with conveyer 2 except anvil roll 11, so damage cutlery easily.
Above-mentioned conveyer 2 possesses a plurality of attraction liners (maintaining part) 20.This conveyer 2 is accepted article N with the 1st speed v 1 from the anvil roll 11 of upstream by above-mentioned liner 20 accepting position RP, in the process that these article N is sent to delivery position SP, change the transfer rate of article N, then on the strap S of the receiving device 3 that with the 2nd speed v 2 article N is supplied to the downstream on this delivery position SP.For the 1st speed v 1 and the 2nd speed v 2, if mutual different speed, which greatly can.
Preferably accept the anvil roll 11 on the RP of position and attract the circumferential velocity of liner 20 to be set at mutually the same speed above-mentioned.And, be mutually the same speed preferably with the circumferential velocity of the attraction liner 20 on the delivery position SP and the speed setting of strap S.Therefore, accept on position RP and the delivery position SP, can more effectively prevent from attracting the article N on liner 20 surfaces etc. to slide above-mentioned.
Fig. 2 represents an example of above-mentioned conveyer 2.
This conveyer 2 possesses a plurality of attraction liners 20 on the circumference of not shown drum.Attract the phase place that liner 20 also can corresponding attraction liner 20 on matrix 23, to make the posture of article N change 90 °, rotate along arrow R direction with matrix 23 simultaneously along the arrow B rotation.As the posture changing parts of the posture changing that makes above-mentioned article N, for example use the special disclosed such cam path of clear 63-317576 communique of opening.
And, attract liner 20 not necessarily to need article for rotation N.
And, the conduit 50 that can on liner, be provided for producing negative pressure and play sucking action.
In Fig. 1, above-mentioned receiving device 3 possesses the configuration roller 30 of continuous conveyor sheet S and the coating machine 31 of coating adhesive on above-mentioned strap S.The article N that is sent on the delivery position SP by above-mentioned conveyer 2 is adhered on the strap S at the attraction liner 20 from conveyer 2 on the delivery position SP.At this moment, because transmit article N, so use the pitch different that article N is configured on the strap S with the pitch of configuration on the anvil roll 11 with the 2nd speed v 2.
Replacement coating adhesive on the strap S can be on article N coating adhesive.In addition, receiving device 3 also can directly hold article N on configuration roller 30.And receiving device 3 also can be made of cyclic conveyor.
Yet, to open in the prior art of recording and narrating in the clear 63-317576 communique the spy, each liner all needs to change the speed changing portion of liner speed.Therefore, can not make conveyer 2 reach miniaturization and lightweight.The following describes the technology that makes conveyer 2 miniaturizations.
Fig. 3 is the scheme drawing of conveyer 2, and Fig. 4 (a) and (b) are section drawings of the general configuration of the same device of expression.
In Fig. 3, conveyer 2 comprises: can be with the 1st and the 2nd swivel 21,22 of different mutually speed rotations; The a plurality of the 1st and the 2nd liner (maintaining part) 20A, 20B; The the 1st and the 2nd speed changing portion 41,42.
Above-mentioned a plurality of the 1st liner 20A leaves certain distance ground configuration mutually on the direction of transfer of article N, and with 21 rotations of above-mentioned the 1st swivel, accepts on accepting position RP after the article N article N before delivery position SP remains to transmission.On the other hand, above-mentioned a plurality of the 2nd liner 20B leave certain distance ground configuration mutually on the direction of transfer of article N, and with 22 rotations of above-mentioned the 2nd swivel, accept on accepting position RP after the article N article N before delivery position SP remains to transmission.
The the above-mentioned the 1st and the 2nd speed changing portion 41,42 makes the cireular frequency of the 1st and the 2nd swivel 21,22 change respectively, makes the rotative speed of the above-mentioned the 1st and the 2nd liner 20A, 20B become the speed of following explanation.
Promptly, the 1st speed changing portion 41 makes the 1st liner 20A deceleration (or acceleration), so that an arrival among the 1st liner 20A becomes the 1st speed v 1 when accepting position RP, thereafter, change speed, make the 1st liner 20A quicken (decelerations), so that become the 2nd speed v 2 during arrival delivery position SP among the 1st liner 20A.
On the other hand, equally, the 2nd speed changing portion 42 makes the 2nd liner 20B deceleration (or acceleration), so that an arrival among the 2nd liner 20B becomes the 1st speed v 1 when accepting position RP, thereafter, change speed makes the 2nd liner 20B quicken (decelerations), so that become the 2nd speed v 2 during arrival delivery position SP among the 2nd liner 20B.
Here, in the present embodiment, the 1st liner 20A and the 2nd liner 20B alternatively dispose.Because configuration n the 1st liner 20A on the 1st swivel 21, thus the 1st swivel 21 rotate a circle during in, certain the 1st liner 20A lives through n order 1 speed v 1 at least, n order 2 speed v 2.For the 2nd liner 20B, identical with the 1st liner 20A.
Shown in Fig. 5 (a), also each the 1st liner 20A can be adjacent to configuration, each the 2nd liner 20B is adjacent to configuration.Disposing like this under the situation of the 1st liner 20A and the 2nd liner 20B, each the 1st liner 20A and the 2nd liner 20B can quicken and slow down once at least.
But in this case, because the balance of rotative speed is inhomogeneous, so as shown in Figure 3, preferred the 1st liner 20A and the 2nd liner 20B alternatively dispose.
Shown in Fig. 5 (b), the sum of the 1st liner 20A and the 2nd liner 20B can be an odd number.In this case, the 1st liner 20A and the 2nd liner 20B alternatively dispose at a place at least.
In addition, the 1st liner 20A among Fig. 1 (the 2nd liner 20B) is configured, so that one in a plurality of the 1st liner 20A (the 2nd liner 20B) is positioned at when accepting on the RP of position, other the 1st liner 20A (the 2nd liner 20B) among above-mentioned a plurality of the 1st liner 20A (the 2nd liner 20B) is not on delivery position SP.That is, be set to make each other with one among the liner 20A (20B) of the group of same speed rotation and be positioned at when accepting position RP and going up, delivery position SP is positioned between the liner 20A (20B) of this group.And, when one among the liner 20A (20B) of group is positioned at delivery position SP and goes up, make and accept between the liner 20A (20B) that position RP is positioned at this group.
Below, the concrete structure of above-mentioned conveyer 2 is described.
In Fig. 4, drive wheel the 44, the 1st swivel 21 and 22 rotations of the 2nd swivel are mounted freely on the supporting axis 43.In addition, lobe plate 45 is fixed on the supporting axis 43.Input end 41a, the 42a rotation that constitutes the crank of the 1st speed changing portion 41 and the 2nd speed changing portion 42 is mounted freely on the above-mentioned drive wheel 44.Mouth 41b, the 42b of above-mentioned speed changing portion 41,42 free sliding ground respectively embeds in groove 21b, the 22b of the 1st and the 2nd swivel 21,22.Centre portion 41c, the 42c of above-mentioned speed changing portion 41,42 is combined on the excircle of lobe plate 45, moves along the shape of the cam 45c of the lobe plate 45 shown in Fig. 4 (b).The 46th, bearing.
By the rotation of not shown electrical motor, drive after the rotation of drive wheel 44 constant speed, input end 41a, the 42a of above-mentioned speed changing portion 41,42 is with the constant speed rotation of early-fixed.If input end 41a, the 42a of Fig. 4 (b) only rotate about 180 °, centre portion 41c, the 42c of speed changing portion 41,42 move along the rotation of the shape of the cam 45c of lobe plate 45 so, this moment speed changing portion 41,42 mouth 41b, 42b anglec of rotation θ only.Therefore, the 1st is different with the angular velocity omega 2 of the angular velocity omega 1 of accepting position RP and delivery position SP with the cireular frequency of the 2nd swivel 21,22, so the circumferential velocity of liner 20A, 20B is the 1st speed v 1 when accepting position RP, when delivery position SP the 2nd speed v 2.
In the present invention, also can transmit meshwork W, and, in this case, by on delivery position SP at full speed v2 meshwork is placed on the conveyer, can on meshwork W, form broken line.
According to as mentioned above, with reference to description of drawings preferred implementation, but if the colleague dealer, see this specification sheets after, in the scope of own understanding, can expect various changes and correction easily.
For example, except the 1st and the 2nd swivel, the 3rd swivel can be set, on the 3rd swivel, the 3rd maintaining part can be set.
Therefore, such change and correction be interpreted as according to the claim scope fixed basis
In the scope of invention.