CN1628951A - Sheet-like object spreader - Google Patents
Sheet-like object spreader Download PDFInfo
- Publication number
- CN1628951A CN1628951A CNA200410102224XA CN200410102224A CN1628951A CN 1628951 A CN1628951 A CN 1628951A CN A200410102224X A CNA200410102224X A CN A200410102224XA CN 200410102224 A CN200410102224 A CN 200410102224A CN 1628951 A CN1628951 A CN 1628951A
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- China
- Prior art keywords
- tablet
- guide rail
- linkage
- spreadboard
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
- B29C55/165—Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/20—Edge clamps
Abstract
The invention provided a drawing machine having a simple structure capable of operating at a high speed, which draws a sheet material using an endless link device composed of a plurality of isometric link devices formed in a folding-scale shape. An endless link device equipped with holding tools for holding plurality of the edges of a thermoplastic resin sheet material at both the ends of the sheet material is provided, and the endless link device comprises plurality of isometric link devices formed in an isometric folding-scale shape. The endless link device is driven by a chain wheel at the inlet side of the sheet material and guided by a guide rail structured diversingly in forwarding direction to draw the sheet material, and then the sheet material is released and the endless link device is driven by a chain wheel at the outlet site to return to the chain wheel at the inlet side. In the device, a pair of radial bearings are provided in a peripheral part of the bearing equipped on the lowest end of a link axis for a joint of a link plate forming the folding scale part in the link device in such a way that the radial bearings roll on the both surface sites of a guide rail for controlling a movement of the link device.
Description
Technical field
The present invention relates to device that tablet, for example thermoplastic resin film etc. are extended.
Background technology
Synchronous twin shaft spreadboard of the prior art is recorded and narrated in Japanese kokai publication hei 4-12957 communique, is made of thrust pad that is bearing its deadweight and the rolling bearing bearing connecting rod device ground that rolls in gathering sill.In the linkage that constitutes like this, bigger in the resistance to sliding of the sliding surface of thrust pad, the walking difficulty that becomes at a high speed.In addition, because sliding part needs lubricating oil, the danger of lubricating oil splash polluted membrane to the film is arranged then.
In order to solve such problem, for example have as the spy opens described in the flat 11-77825 communique thrust pad is made the rolling roller.But, in such twin shaft spreadboard,, then have under the situation that changes MD (vertically extension) multiplying power, to be not easy the problem of carrying out because the guide rail that will form the gathering sill of the walking of linkage guiding is fixed on the pedestal.
In addition, in the lateral extension machine, also have the real example of opening formation such described in the clear 62-147520 communique of Japan, supporting by the guide roller of the deadweight of bearing clip and the walking of rolling and the guide roller that clips the guide rail setting and on clip, give the motion of horizontal expansion direction.But, because this its turning cylinder of guide roller (rolling bearing) that bears deadweight and rolling walking is fixed in a direction, so, follow its direct of travel walking for making bend, have to adopt mechanically complex structure.
As the synchronous twin shaft spreadboard that addresses these problems, have the Japan Patent spy to open structure such described in the 2000-334832 communique: clip a pair of journal bearing of extension power that guide rail is provided with the supporting tablet, on journal bearing, be provided with and be located at groove that the protuberance of guide rail is meshed, simultaneously go back the bearing connecting rod device deadweight supporting linkage.In addition, but the open angle of a side's of removable guide rail position and limiting rod device.As adopt this mode, do not need can to prevent from the external forced oil supply, like this splashing in possible trouble, can walking at a high speed yet of oil by adopting the journal bearing of enclosing the lubricating oil mode.In addition, but move stepless transformation MD multiplying power by the position that makes guide rail.
Patent documentation 1: Japanese kokai publication hei 4-12957 communique,
Patent documentation 2: Japanese kokai publication hei 11-77825 communique,
Patent documentation 3: Japan opens clear 62-147520 communique in fact,
Patent documentation 4: TOHKEMY 2000-334832 communique.
Summary of the invention
In the prior art of above-mentioned patent documentation 4, on the connecting rod of a side of the clamping device that the connecting rod that constitutes linkage is being set, fixing pitman shaft, the opposing party's connecting rod can rotate relative to pitman shaft.And, since be with the bearing mount pad be installed on pitman shaft bottom, the trough of belt journal bearing is installed on the structure of bearing mount pad, so in fact pitman shaft and bearing mount pad become one, the structure that has become the bearing mount pad can not rotate relative to pitman shaft.
Therefore, the intersecting angle of the relative guide rail of connecting plate changes when opening when connecting rod is closed, the intersecting angle that links the center line of mounting center of 2 trough of belt journal bearings being installed on the bearing mount pad and guide rail is different, promptly, even intersecting angle is 90 ° under the state of connecting rod closing, intersecting angle was also little than 90 ° when connecting rod was opened.Therefore, have following problem: interval that connecting rod is opened, promptly between zones of extensibility at tablet with the extension of tablet after the feeding interval, the width of the guide rail that the trough of belt journal bearing must be clipped is controlled to be narrower size corresponding to intersecting angle, and makes the maintenance management of the guide rail trouble that becomes.
Purpose of the present invention promptly is to address the above problem and to provide the spreadboard that can reach the tablet of high speed with simple structure.
Another object of the present invention is to address the above problem and to provide the spreadboard that can reach the tablet of high-speedization, while MD multiplying power stepless variable with simple structure.
For achieving the above object, in the spreadboard of tablet of the present invention, drive the ring-type linkage that constitutes by a plurality of isometric linkage that forms the folding rule shape along guide rail, the extension tablet.Wherein, adjust each paired guide rail that extensible extent ground is provided with the formation of convex member corresponding to the inboard of isometric linkage and the pitman shaft in the outside, clip the two sides of the male member of each guide rail with a pair of rolling bearing, pitman shaft supports this a pair of rolling bearing rotationally relatively.
For achieving the above object, in the stretching-machine of tablet of the present invention, be provided with the ring-type linkage that has a plurality of clamping devices in the two side ends of tablet, these a plurality of clamping devices are used to control the end of the tablet of thermoplastic resin etc.; This ring-type linkage is made of a plurality of isometric linkage that forms the folding rule shape, chain wheel drive by entrance side and outlet side, send, lead, after tablet is extended, take off tablet with guide rail from the entrance side sprocket wheel, return the entrance side sprocket wheel by the outlet side sprocket wheel by the guiding that becomes the configuration of enlarging shape at direct of travel.Wherein, each of the connecting plate of the formation folding rule portion of isometric linkage engage with pitman shaft bottom, be provided with a pair of rolling bearing that pitman shaft is relatively installed rotationally, clip guiding and rollably dispose a pair of rolling bearing with guide rail.
In addition, in the spreadboard of aforementioned tablet of the present invention, a pair of rolling bearing as journal bearing, is had flange above the periphery of each journal bearing, the lower surface of this flange and guiding relatively are configured with the top of guide rail.
In addition, in the spreadboard of aforementioned tablet of the present invention, further, set spherical bearing, this spherical bearing is rolled above aforementioned each guiding usefulness guide rail in each bottom that engages with pitman shaft.
In addition, in the spreadboard of aforementioned tablet of the present invention, further, have fixing a plurality of guiding with the side's side in the guide rail, make the opposing party's side shifting and make the variable travel mechanism of open angle of isometric linkage.
In addition, in the spreadboard of aforementioned tablet of the present invention, further, be provided with the revolution action limiting device, this revolution action limiting device is used for limiting the revolution action as the relative connecting plate of retainer of the peripheral part of the bearing with a pair of journal bearing, described connecting plate and to be loaded on the bearing bottom that engages with pitman shaft adjacent.
In addition, in the spreadboard of aforementioned tablet of the present invention, further, establish groove on guide rail, be provided with the floating in the groove of scarf with gap and prevent member clipping the side of guiding at least with the rolling bearing of guide rail in guiding.
As adopt spreadboard of the present invention, can obtain following effect: can make the center line of the mounting center that links two journal bearings that clip guide rail and the intersecting angle of guide rail serve as necessarily, can reduce walking resistance and be expected to reach high speed simultaneously with simple structure.
Description of drawings
Fig. 1 is the plane as the synchronous twin shaft spreadboard of first embodiment of the invention.
Fig. 2 is the sectional drawing as the isometric linkage of the spreadboard of Fig. 1 of first embodiment of the invention.
Fig. 3 is the key diagram of expression as the action of the journal bearing of first embodiment of the invention.
Fig. 4 is the key diagram as the variable method of the MD multiplying power of the spreadboard of Fig. 1 of first embodiment of the invention.
Fig. 5 is the key diagram of expression as other examples of the variable method of the MD multiplying power of the spreadboard of Fig. 1 of first embodiment of the invention.
Fig. 6 is the key diagram of expression as another other examples of the variable method of the MD multiplying power of the spreadboard of Fig. 1 of first embodiment of the invention.
Fig. 7 is the sectional drawing as the isometric linkage of second embodiment of the invention.
Fig. 8 is the sectional drawing as the isometric linkage of third embodiment of the invention.
Fig. 9 is the key diagram of action of the torsion spring that waits long connecting rod of expression Fig. 8 of the present invention.
Figure 10 is the part sectional drawing as the rolling bearing portion of the isometric linkage of the fourth embodiment of the present invention.
The specific embodiment
Borrow accompanying drawing that the embodiment of the spreadboard of tablet of the present invention is described.
The present invention is by guide rail guiding, by the outlet side chain wheel drive and get back in the spreadboard of the tablet that ring-type linkage that entrance side sprocket wheel ground constitutes forms, for realizing high speed with simple structure, with the lower end of pitman shaft first rolling bearing is installed at the joint of the connecting plate of the formation folding rule portion of linkage, peripheral part at this bearing is installed with a pair of second rolling bearing, this a pair of second rolling bearing can be rotated around pitman shaft, and the ground, two sides that this a pair of second rolling bearing clips guide rail rolls, the ring-type linkage is led.In addition, be the rotation of middle mind-set certain orientation (for example, left-handed) with pitman shaft usually for suppressing this a pair of second rolling bearing, on the retainer that this a pair of second rolling bearing is installed, be provided with revolution and move restraining device.Thus, the ring-type linkage can be walked at a high speed on the guide rail of the same track width, simultaneously, also can prevent the shake of contingent this a pair of second rolling bearing when the ring-type linkage is walked at a high speed on guide rail.
First embodiment
The following accompanying drawing 1-Fig. 4 that borrows illustrates first embodiment of the invention.
Fig. 1 is the plane as the synchronous twin shaft spreadboard of first embodiment of the invention, and Fig. 2 is the sectional drawing as the isometric linkage 31 of first embodiment, and it constitutes and action as following.
Have in the both sides of tablet 1 a plurality of clamping devices 2 of the end of controlling tablet 1 ring-type linkage 3 (having omitted an one and the ring-type connecting rod of a side of connecting rod among the figure), constitute by a plurality of isometric linkage 31 that forms the folding rule shape.In addition, ring-type linkage 3 is driven by the entrance side sprocket wheel 4 of tablet.And, clamping device 2 is opened and closed and clamps tablet 1, is heated to the temperature that extension needs preheating zone (not shown) by the opening and closing device (not shown) of the switching guide of being located at inlet etc.Ring-type linkage 3, in extension region, direction becomes guide rail 5,6 guiding, the clamping spacing (ピ Star テ) of the configuration of enlarging shape to expand P2 to from P1 gradually by following into, tablet 1 (MD direction and TD direction) on two directions is in length and breadth extended simultaneously, then between the heat-treatment zone with the regulation the temperature heat fixation, chilling between the cooling zone is opened clamping device 2 by the opening and closing device (not shown) of switching guide of being located at outlet etc. and is taken off tablet 1, and tablet 1 former state of taking off is advanced.And then ring-type linkage 3 is driven by outlet side sprocket wheel 7, gets back to entrance side sprocket wheel 4 places.
Promptly, the spreadboard of tablet of the present invention, be provided with the ring-type linkage 3 of a plurality of clamping devices 2 that two side ends at tablet 1 has the end of the tablet 1 of controlling thermoplastic resin, this ring-type linkage 3 is made of a plurality of isometric linkage 31 that forms the folding rule shape, entrance side sprocket wheel 4 by tablet drives, by direct of travel become guide rail 5,6 guiding of enlarging shape configuration, in back that tablet 1 is extended, take off, drive by outlet side sprocket wheel 7 again and get back to entrance side sprocket wheel 4.And chain link 25a, the 25b of the maximum spacing of the isometric linkage 31 of restriction ring-type linkage 3 are located between the adjacent pitman shaft 9.As the bar linkage structure of ring-type linkage 3, can be with reference to the ring-type linkage described in the special fair 5-4896 communique of Japan Patent.
As shown in Figure 2, guiding constitutes a pair of combination of a slabbing thing side and an opposite side with tablet with guide rail 5,6 by the convex member.On sheet side rails 5 near tablet 1 one sides, disposing the joint that links the clamping device 2 control tablet 1 with pitman shaft 8, disposing on the opposing party's anti-sheet side (with the tablet opposition side) guide rail 6 does not have the engaging with pitman shaft 9 of clamping device 2.Pitman shaft 8 is linked by connecting plate 14 and 15 with pitman shaft 9.Linking as first rolling bearing bottom, have the retainer 10,11 of bearing roller 10a, 11a at pitman shaft 8,9, in the both sides of retainer 10,11, promptly at the peripheral part of bearing roller 10a, 11a, flanged pin journal bearing 12 (12a, 12b), 13 (13a, 13b) as a pair of second rolling bearing are installed.Flanged pin journal bearing 12,13 rolls with the two sides of guide rail 5,6 in the guiding of the motion of the isometric linkage 31 of restriction, and is configured to the contact deadweight that keep isometric linkage 31 of guiding with the flange of the top and flanged pin journal bearing 12,13 of guide rail 5,6.
As shown in Figure 3, the state and the state of opening, the intersecting angle θ of connecting plate and guide rail that closes at connecting rod
1, θ
2Different.Flanged pin journal bearing 12 (12a, 12b), 13 (13a, 13b) by retainer 10,11 supportings, change (rotations) relative to the action (rotation) of pitman shaft 8,9, Chang Shiji perpendicular to the ground, two sides of guide rail 5,6 by bearing roller 10a, 11a, promptly, the length direction of relative guide rail 5,6 is orthogonal.Promptly shown in Fig. 4 (a) and (b), even corresponding to the intersecting angle θ of 5,6 on the switching connecting plate 14,15 of folding rule shape connecting rod and guide rail
5, θ
61, θ
62Change, flanged pin journal bearing 12 (12a, 12b), 13 (13a, 13b), action (rotation), normal ground, two sides rotation perpendicular to guide rail by bearing roller 10a, 11a, folding rule shape linkage can be walked at a high speed by the guide rail guiding.
Guiding roughly becomes the sliding-frictional resistance effect with the contact portion of the flange of the top and flanged pin journal bearing 12,13 of guide rail 5,6, and compared with prior art, frictional resistance can be reduced to 1/7 in the author's experiment.
Thereby, as adopt this first embodiment, owing to often can make a pair of flanged pin journal bearing angled to guide rail, make 3 walkings of ring-type linkage with can disobeying the intersecting angle (θ) of connecting plate 14,15 and guide rail 5,6 or guide rail width, owing to the frictional resistance can reduce to walk the time, also can reduce to put on the resistance of pitman shaft, can make and make connecting rod miniaturization, in light weight and help the spreadboard of high speed.
Secondly, in the ring-type linkage 3 that constitutes like this, the variable method of the MD multiplying power between zones of extensibility of Fig. 4 (the side's side (guide rail 5 of fixed clamping device side in this case) in the guide rail 5,6 of fixing a plurality of guiding usefulness, and make the opposing party's side shifting, make the variable travel mechanism of open angle of isometric linkage) is described.
Fig. 4 is that the figure of situation that TD multiplying power (multiplying power of the width of tablet) is 1.0 o'clock a extension is set in expression, and Fig. 4 (a) expression MD multiplying power (multiplying power of the length direction of tablet) is 1.0 state, and Fig. 4 (b) is that expression makes the MD multiplying power than 1 big state.
Move the two sides of using guide rail 6 with a pair of revolving body (gyration cam mechanism) 116a, 116b and 117a, 117b clamping that radius becomes scroll to change, for example shown in Fig. 4 (b), revolving body 116a, 116b keep A-stage, by making revolving body 117a clockwise direction change 180 °, making revolving body 117b counter-clockwise direction change 180 °, move side fixed guide rail 5 one side shiftings in the illustrated right side with guide rail 6, it is big that the connecting rod open angle of linkage becomes.Thus, tablet 1 (for example film) is extended (having omitted clamping device among the figure) at direct of travel.
In addition, the open angle of linkage depends on the angle of revolution of revolving body (gyration cam mechanism) 117a, 117b, can any stepless adjustment.In addition, be freely by making a pair of revolving body 116a, 116b with the horizontal direction of the relative guide rail 6 of relation of 117a, 117b and guide rail 6, all can handle the dislocation of guide rail moving direction and right angle orientation.And, the guide rail by spring steel being applied to not shown part in the drawings and the binding of the guide rail among the figure, guide rail can be configured to ring-type.
Show the method that the direct of travel with tablet 1 relative film extends in the present embodiment, but also can be: revolving body 117a, 117b are fixed, make revolving body 116a turn round, make revolving body 116b to turn round, the open angle of linkage is diminished in illustrated left side to counter-clockwise direction to gyratory directions, thus, the direct of travel of tablet 1 relative film is shunk.In this case, tablet 1 is extended in the TD direction.In addition, the driving method of revolving body 116,117 is not shown, is driven but can be linked to common motor by decelerator; Or link the wide rightabout revolving body 116a of film, 117a, realize revolution synchronously.
By with the combination of the stepless variable technology (technology of enlarging shape arrangement guide rail 5,6) of TD multiplying power, can freely set MD, TD.
Thereby as according to present embodiment, the MD multiplying power can become stepless variable, so the spreadboard of the tablet that is fit to the control of needs fiber regiospecific can be provided.
In the present embodiment, as the mechanism that changes the width between the guide rail 5,6, show the example of the revolving body that uses the gyration cam mechanism, but also be not limited thereto, shown in patent documentation 4, also can on guide rail, process negative thread and be screwed into the axle that is provided with pin thread, axle be rotated and guide rail is moved, but perhaps also image pattern 5 with shown in Figure 6, carry out with tapered member.
As the example that uses tapered member, as Fig. 5 and shown in Figure 6, two sides at the medial surface of facing guide rail 5,6 are being fixed piece 118 (118a, 118b), 119 (119a, 119b) respectively, be provided with movably central block (translation cam mechanism) 120 (120a, 120b) between piece of fixing 118 (118a, 118b) and 119 (119a, 119b), the state that is connected with 3 pieces constitutes.In addition, it is the trapezoid block of minor face that the piece 120 of central portion is made with the tablet entrance side, with axle 121 (121a, 121b), be in line motion state ground links at least, axle 121 can constitute slidably along the direct of travel of tablet with central block (translation cam mechanism) 120.And, axle 121 is slided to the state shown in the figure (b) from scheming the state shown in (a), thus, the guide rail 6 of mobile usefulness can change the MD multiplying power by central block 120 extensions, to fixing guide rail 5 one side shiftings of using.Shown in Fig. 5 (c),, can extend by axle 121 by making central block 120 and piece 118, the combination of 119 one-tenth key shapes.Recorded and narrated a chunk 118～120 in Fig. 5 and example shown in Figure 6, and in fact preferably the piece flock mating more than 2 groups has been placed the inner side surface of guide rail 5,6, each central block 120 links up with 1 axle.
And, be the example that all forms the wedge shape inclined plane on two faces of the face that joins in central block 120a, at the face that joins with piece 118a with piece 119a at example shown in Figure 5.Under this routine situation, when the direct of travel that makes a 121a along tablet slides, a 121a is moved to a fixing side with guide rail 5.But example as shown in Figure 6 is such, in central block 120b, do not forming the inclined plane on the face that joins with piece 118b and on the face that joins with piece 119b, forming the inclined plane, thus, only make a 121b on the tablet direct of travel, slide (rectilinear motion) get final product.
In addition, the driving method of axle 121 (121a, 121b) can be the revolution that makes general motor and drives and to be transformed to rectilinear motion ground and to move.
Second embodiment
The following Fig. 7 that borrows illustrates the second embodiment of the present invention.
Fig. 7 is the sectional drawing as the isometric linkage 31 of second embodiment of the invention, be with the difference of first embodiment, without flanged pin journal bearing 12,13, and not flanged journal bearing 16 of use (16a, 16b) and 17 (17a, 17b), at the spherical bearing 18,19 of the bottom of pitman shaft 8,9 configuration as rolling bearing, spherical bearing 18,19 is leading with rolling above the guide rail 5,6, is supported the weight of isometric linkage by spherical bearing.And can replace spherical bearing 18,19 with roller bearing.
As adopt this second embodiment, owing to except the effect of the desirable embodiment of winning, also can realize rolling friction completely, can further make the linkage weight reduction, can access the spreadboard that helps high speed.
The 3rd embodiment
Following Fig. 8 and Fig. 9 of borrowing illustrates the third embodiment of the present invention.Fig. 8 is the sectional drawing that waits long connecting rod 31 as the third embodiment of the present invention, the difference of itself and first embodiment is, is provided with on retainer 10,11 and suppresses the revolution action limiting device that freely rotate 216,217 of retainer 10,11 relative to the central shaft of pitman shaft 8,9.As revolution action limiting device 216,217, constitute by make turning power give in one direction, limit the revolution action of retainer 10,11 by for example torsion spring etc.
By using the isometric linkage of such formation, can prevent to take place when walking at a high speed jitter phenomenon.That is,, clipping on a pair of journal bearing of guide rail setting how much set out some gaps in order smoothly to walk.Adjust this gap so that when walking at a high speed, do not shake as far as possible.But as shown in Figure 9, at the bend of guiding with guide rail 5 ', 6 ' bending, when linkage is walked action along guiding with guide rail 5 ', 6 ', be supported on the journal bearing 12,13 on the retainer 10,11, because the effect of bearing roller 10a, 11a, often be positioned at the position ground vertical with guide rail and change, final journal bearing 12,13 changes to the equal angle with bend angle θ c.In the angle of this journal bearing changed, under the situation of low speed walking, journal bearing 12,13 slowly made angle change, and under the situation of walking at a high speed, because its angle changes sharply, on journal bearing 12,13 jitter phenomenon takes place, and has reduced the life-span of journal bearing 12,13.That is, owing to journal bearing 12,13 and guiding increase abrasion with guide rail 5 ', 6 ' bump.
In the present embodiment, because revolution action limiting device 216,217 is set on retainer 10,11, even in such guiding with guide rail 5 ', 6 ' bend, because can be with retainer 10,11, to be journal bearing 12,13 push against in guide rail 5 ', 6 ' to certain orientation (be in this case gyratory directions) left, can prevent jitter phenomenon.Can prolong the life-span of journal bearing 12,13 thus.
Certainly, also the revolution action limiting device made from above-mentioned torsion spring etc. 216,217 can be applied to second embodiment shown in Figure 7.
The 4th embodiment
The following accompanying drawing 10 of borrowing illustrates fourth embodiment of the invention.Figure 10 is the part sectional drawing as a pair of rolling bearing portion of the isometric linkage 31 of fourth embodiment of the invention, the difference of itself and first embodiment is, on the two sides of guiding, be provided with groove 51 with guide rail 5,6, discoideus plate 131 is established in bottom at flanged pin journal bearing 12,13, and makes plate 131 enter guiding with being provided with in the groove 51 of guide rail.Here, symbol 132 is screws of fixed head 131, but fixing means is not limited in this.And, between groove 51 and plate 131, be provided with discontiguous gap in common walking.
As complying with the 4th embodiment, except that the effect of the desirable embodiment that wins, when isometric linkage is walked at a high speed, with no matter what reason when having applied the power that makes progress, all can prevent that journal bearing from deviating from from guide rail, so, reliability in the time of can improving high speed can provide the spreadboard that is beneficial to high speed.
And, in the 4th embodiment, be provided with the plate that prevents to float usefulness two sides of a pair of journal bearing, but also can be only in one-sided setting.In addition, here plate is installed with independent part, but also can on journal bearing, be divided into flange, be mounted on retainer from the outside with this journal bearing.
Certainly, the formation of the 4th embodiment also can be applicable to Fig. 7 and second, third embodiment shown in Figure 8.
Industrial applicibility
Film extending apparatus to the extension mode is entirely applicable.
Claims (14)
1. the spreadboard of a tablet, the spreadboard of this tablet drives the ring-type linkage that is made of a plurality of isometric linkage that forms the folding rule shape along guide rail, and the extension tablet is characterized in that,
Form paired described each guide rail of adjusting the setting of extensible extent ground corresponding to the inboard of described isometric linkage and the pitman shaft in the outside with the convex member, with a pair of rolling bearing clip the male member of described each guide rail two sides, can support this a pair of rolling bearing rotationally by described relatively pitman shaft.
2. the spreadboard of a tablet, the spreadboard of this tablet is provided with the ring-type linkage that has a plurality of clamping devices of the end of controlling tablet in the two side ends of described tablet, this ring-type linkage is formed by a plurality of isometric linkage that forms the folding rule shape, chain wheel drive by entrance side and outlet side, send from described entrance side sprocket wheel, lead with guide rail by the guiding that becomes the configuration of enlarging shape at direct of travel, after being extended, tablet takes off tablet, get back to described entrance side sprocket wheel by described outlet side sprocket wheel, it is characterized in that
Each of the connecting plate of the folding rule portion that forms described isometric linkage engage with pitman shaft bottom, be provided with a pair of rolling bearing that this pitman shaft is relatively installed rotationally, clip described guiding and rollably dispose aforementioned a pair of rolling bearing with guide rail.
3. by the spreadboard of the described tablet of claim 2, it is characterized in that, engage bearing being installed bottom, establishing a pair of rolling bearing with pitman shaft at the peripheral part of this bearing in each of the connecting plate of the formation folding rule portion of described isometric linkage.
4. by the spreadboard of the described tablet of claim 2, it is characterized in that making described a pair of rolling bearing is journal bearing, establishes flange above the periphery of this each journal bearing, make this flange below be connected to described guiding being configured with guide rail toply.
5. by the spreadboard of the described tablet of claim 2, it is characterized in that, establish spherical bearing, make this spherical bearing be connected to described each guiding being configured toply with guide rail in the described bottom that respectively engages the pitman shaft of usefulness.
6. press the spreadboard of the described tablet of claim 2, it is characterized in that having the variable travel mechanism of open angle of fixing, making the opposing party's guide rail to move with the tablet side of guide rail or with a side of the guide rail of tablet opposition side the described guiding and make isometric linkage.
7. by the spreadboard of the described tablet of claim 2, it is characterized in that, be provided with restriction and be arranged at the revolution action limiting device of described joint with the revolution action of the described relatively pitman shaft of a pair of rolling bearing bottom of pitman shaft.
8. by the spreadboard of the described tablet of claim 2, it is characterized in that, establish groove on guide rail, be provided with the floating in the described groove of scarf with gap and prevent member clipping the side of described guiding at least with the rolling bearing of guide rail in described guiding.
9. the spreadboard of a tablet, the spreadboard of this tablet has the ring-type linkage in the both sides of described tablet, this ring-type linkage is linked up by a plurality of isometric linkage that forms the folding rule shape and constitutes, side is provided with the clamping device of the end of controlling tablet within it, both sides in described tablet between zones of extensibility are configured in the tablet direct of travel with a plurality of guiding with guide rail with being the enlarging shape, by the described ring-type linkage of the chain wheel drive of entrance side and outlet side, between described zones of extensibility, with guide rail described isometric linkage is led by described a plurality of guiding, the described tablet that makes described clamping device control the end extends, and then make described ring-type linkage turn back to the entrance side sprocket wheel by the outlet side sprocket wheel, it is characterized in that
At the joint of the connecting plate of the formation folding rule portion of described isometric linkage bottom with pitman shaft, can described relatively pitman shaft be installed by bearing rotationally, peripheral part at this bearing has a pair of flanged pin journal bearing, make below the flange part of this a pair of flanged pin journal bearing and the top configuration relatively of each guiding of the action of the described isometric linkage of restriction with guide rail, simultaneously, described a pair of flanged pin journal bearing is configured to clip described guiding rolls along the two sides of this guide rail, have described a plurality of guiding are fixed with the side's side in the guide rail with guide rail, make the opposing party's side shifting and make the variable travel mechanism of open angle of isometric linkage.
10. the spreadboard of a tablet, the spreadboard of this tablet has the ring-type linkage in the both sides of described tablet, this ring-type linkage by a plurality of isometric linkage that forms the folding rule shape link up constitute, side is provided with the end of controlling tablet within it clamping device; Between zones of extensibility, a plurality of guiding are configured in with being the enlarging shape direct of travel of tablet with guide rail in the both sides of described tablet; By the described ring-type linkage of the chain wheel drive of entrance side and outlet side, between described zones of extensibility, with guide rail the described tablet that described isometric linkage leads, makes described clamping device to control the end is extended by described a plurality of guiding, and then make described ring-type linkage turn back to the entrance side sprocket wheel by the outlet side sprocket wheel, it is characterized in that
Can bearing be installed described relatively pitman shaft rotationally at the joint of the connecting plate of the formation folding rule portion of described isometric linkage bottom with pitman shaft, peripheral part at this bearing has a pair of journal bearing, this a pair of journal bearing is configured to roll with two sides of guide rail along respectively the leading of action of the described isometric linkage of restriction, simultaneously, face toward described guiding configuration spherical bearing above the guide rail in the bottom of this pitman shaft, can be with this spherical bearing along each guiding with rollably being provided with above the guide rail, and have side's side in fixing described a plurality of guiding usefulness guide rails, make the opposing party's side shifting and make the variable travel mechanism of open angle of isometric linkage.
11. the spreadboard by claim 9 or 10 described tablets is characterized in that the gyration cam mechanism that is disposed 2 groups by the direct of travel at described ring-type linkage at least constitutes described travel mechanism.
12. the spreadboard by claim 9 or 10 described tablets is characterized in that the translation cam mechanism that is disposed 2 groups by the direct of travel at described ring-type linkage at least constitutes described travel mechanism.
13. the spreadboard of a tablet, the spreadboard of this tablet is provided with the ring-type linkage, described ring-type linkage has a plurality of clamping devices of the end of controlling tablet in the two side ends of described tablet, this ring-type linkage is formed by a plurality of isometric linkage that forms the folding rule shape, chain wheel drive by entrance side and outlet side, lead with guide rail by the guiding that becomes the configuration of enlarging shape at direct of travel, after the extension tablet, discharge tablet, turn back to the entrance side sprocket wheel by the outlet side sprocket wheel, it is characterized in that
On the retainer that is rotatably mounted with the bearing bottom of pitman shaft by the joint of the connecting plate that forms folding rule portion of being located at described isometric linkage, has a pair of journal bearing, this each journal bearing constitutes and can roll with the two sides of guide rail along the described guiding of the action that limits described isometric linkage, and be provided with the revolution action limiting device, this revolution action limiting device be used for limiting described retainer with respect to be located at the described revolution action that engages with the adjacent connecting plate of the adjacent bearing bottom of pitman shaft.
14. the spreadboard by the described tablet of claim 13 is characterized in that described revolution action limiting device is the torsion spring that described retainer is given turning power from described connecting plate.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003417422 | 2003-12-16 | ||
| JP2003417422 | 2003-12-16 | ||
| JP2004028916 | 2004-02-05 | ||
| JP2004028916 | 2004-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1628951A true CN1628951A (en) | 2005-06-22 |
| CN100506515C CN100506515C (en) | 2009-07-01 |
Family
ID=34863404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410102224XA Active CN100506515C (en) | 2003-12-16 | 2004-12-16 | Sheet-like object spreader |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100990213B1 (en) |
| CN (1) | CN100506515C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486254B (en) * | 2008-01-14 | 2010-09-01 | 达信科技股份有限公司 | Clamping device of extension machine and method for clamping extending material |
| CN102427931A (en) * | 2009-05-19 | 2012-04-25 | 东芝机械株式会社 | Rail support device and sheet stretching method |
| CN102529084A (en) * | 2010-12-09 | 2012-07-04 | 株式会社日立工业设备技术 | Stretcher for sheet-like object |
| CN102756472A (en) * | 2012-08-03 | 2012-10-31 | 青岛江山旭机器制造有限公司 | BOPET (Biaxially Oriented Stretching Polyester Film) biaxially oriented stretching sheet transmission |
| CN101489761B (en) * | 2006-07-19 | 2012-11-28 | 东芝机械株式会社 | Clip type sheet/film stretching device |
| CN103460449A (en) * | 2011-04-07 | 2013-12-18 | 日产自动车株式会社 | Conveyance device and conveyance method for battery electrode member |
| CN103737339A (en) * | 2014-01-08 | 2014-04-23 | 无锡汉神电气有限公司 | Light rail device for light gantry numerical control cutting machine |
| CN103863861A (en) * | 2014-03-06 | 2014-06-18 | 深圳市劲拓自动化设备股份有限公司 | Rolling type bearing structure and transmission device |
| CN107664181A (en) * | 2016-12-17 | 2018-02-06 | 黄山富田精工制造有限公司 | Speed change gear |
| CN108861755A (en) * | 2018-07-13 | 2018-11-23 | 江苏海狮机械股份有限公司 | A kind of spread machine that can be overturn |
| CN109968644A (en) * | 2017-11-20 | 2019-07-05 | 株式会社日本制钢所 | The biaxial stretcher of tablet |
| CN110621473A (en) * | 2017-05-15 | 2019-12-27 | 让·皮埃尔·达莱特 | Longitudinal and transverse simultaneous stretching device for thermoplastic film |
| CN111745722A (en) * | 2020-07-06 | 2020-10-09 | 张云 | Plastic slab extends cutting device based on mechanical transmission |
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| DE2314533C2 (en) * | 1973-03-23 | 1975-05-15 | Erwin Kampf Maschinenfabrik, 5276 Wiehl | Clip stretching machine for thermoplastic films |
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| DE2949858C2 (en) * | 1979-12-12 | 1982-04-01 | Lindauer Dornier Gmbh, 8990 Lindau | Kluppenkettenbahn |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489761B (en) * | 2006-07-19 | 2012-11-28 | 东芝机械株式会社 | Clip type sheet/film stretching device |
| CN101486254B (en) * | 2008-01-14 | 2010-09-01 | 达信科技股份有限公司 | Clamping device of extension machine and method for clamping extending material |
| CN102427931A (en) * | 2009-05-19 | 2012-04-25 | 东芝机械株式会社 | Rail support device and sheet stretching method |
| CN102427931B (en) * | 2009-05-19 | 2014-08-20 | 东芝机械株式会社 | Rail support device and sheet stretching method |
| CN102529084A (en) * | 2010-12-09 | 2012-07-04 | 株式会社日立工业设备技术 | Stretcher for sheet-like object |
| CN102529084B (en) * | 2010-12-09 | 2016-09-07 | 株式会社日本制钢所 | The stretching-machine of tablet |
| CN103460449A (en) * | 2011-04-07 | 2013-12-18 | 日产自动车株式会社 | Conveyance device and conveyance method for battery electrode member |
| CN103460449B (en) * | 2011-04-07 | 2016-12-07 | 日产自动车株式会社 | The conveyer device of battery electrode member and carrying method |
| CN102756472A (en) * | 2012-08-03 | 2012-10-31 | 青岛江山旭机器制造有限公司 | BOPET (Biaxially Oriented Stretching Polyester Film) biaxially oriented stretching sheet transmission |
| CN102756472B (en) * | 2012-08-03 | 2014-12-24 | 青岛江山旭机器制造有限公司 | BOPET (Biaxially Oriented Stretching Polyester Film) biaxially oriented stretching sheet transmission |
| CN103737339B (en) * | 2014-01-08 | 2016-02-10 | 无锡汉神电气有限公司 | Light rail device on light-duty gantry numerical control cutting machine |
| CN103737339A (en) * | 2014-01-08 | 2014-04-23 | 无锡汉神电气有限公司 | Light rail device for light gantry numerical control cutting machine |
| CN103863861A (en) * | 2014-03-06 | 2014-06-18 | 深圳市劲拓自动化设备股份有限公司 | Rolling type bearing structure and transmission device |
| CN103863861B (en) * | 2014-03-06 | 2017-03-01 | 深圳市劲拓自动化设备股份有限公司 | Roller supporting structure and transmitting device |
| CN107664181A (en) * | 2016-12-17 | 2018-02-06 | 黄山富田精工制造有限公司 | Speed change gear |
| CN110621473A (en) * | 2017-05-15 | 2019-12-27 | 让·皮埃尔·达莱特 | Longitudinal and transverse simultaneous stretching device for thermoplastic film |
| CN110621473B (en) * | 2017-05-15 | 2022-01-18 | 让·皮埃尔·达莱特 | Longitudinal and transverse simultaneous stretching device for thermoplastic film |
| CN109968644A (en) * | 2017-11-20 | 2019-07-05 | 株式会社日本制钢所 | The biaxial stretcher of tablet |
| TWI697399B (en) * | 2017-11-20 | 2020-07-01 | 日商日本製鋼所股份有限公司 | Biaxial stretching machine for sheet-like material |
| CN109968644B (en) * | 2017-11-20 | 2021-06-18 | 株式会社日本制钢所 | Biaxial stretcher for sheet-like material |
| CN108861755A (en) * | 2018-07-13 | 2018-11-23 | 江苏海狮机械股份有限公司 | A kind of spread machine that can be overturn |
| CN108861755B (en) * | 2018-07-13 | 2024-04-05 | 江苏海狮机械股份有限公司 | Cloth spreader capable of overturning |
| CN111745722A (en) * | 2020-07-06 | 2020-10-09 | 张云 | Plastic slab extends cutting device based on mechanical transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100990213B1 (en) | 2010-10-29 |
| CN100506515C (en) | 2009-07-01 |
| KR20050061331A (en) | 2005-06-22 |
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