WO2016186141A1 - クリップ式延伸装置 - Google Patents
クリップ式延伸装置 Download PDFInfo
- Publication number
- WO2016186141A1 WO2016186141A1 PCT/JP2016/064783 JP2016064783W WO2016186141A1 WO 2016186141 A1 WO2016186141 A1 WO 2016186141A1 JP 2016064783 W JP2016064783 W JP 2016064783W WO 2016186141 A1 WO2016186141 A1 WO 2016186141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clip
- shaft member
- link
- stretching
- sheet
- Prior art date
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Classifications
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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
- B29C55/10—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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
Definitions
- the present invention relates to a clip-type stretching apparatus for stretching a thermoplastic resin film and the like, and in particular, simultaneous biaxial stretching (Simultaneous Bi-axial Stretching) of a sheet-like member such as a sheet or film based on a preset stretching pattern. It is related with the clip-type extending
- Patent Document 1 discloses a simultaneous biaxial stretching machine (Simultaneous / Bi-axial / Stretching / Machine) that continuously stretches a film or sheet (hereinafter referred to as a sheet-like member).
- a simultaneous biaxial stretching machine Simultaneous / Bi-axial / Stretching / Machine
- two link devices are arranged symmetrically in plan view.
- the link device has, for example, a plurality of grips (clips) that grip the edge of the sheet-like member.
- the plurality of clips are connected endlessly by a chain.
- Such a simultaneous biaxial stretching machine can perform longitudinal stretching simultaneously with transverse stretching.
- transverse stretching Transversal Stretching
- longitudinal stretching Longitudinal Stretching
- a longitudinal stretching process is performed on the sheet-like member by extending the link device and gradually increasing the pitch of the gripper.
- the simultaneous biaxial stretching machine of Patent Document 1 a clip similar to the link device is attached between the link devices (parent link).
- the clip (clip) expands in accordance with the expansion of the link device.
- the simultaneous biaxial stretching machine is provided with a child link that is not connected to a roller that rolls on the guide rail.
- the simultaneous biaxial stretching machine of Patent Document 1 has a clip side guide rail, an anti-clip side guide rail, and a sprocket.
- the clip side guide rail is configured to be able to roll a roller on the clip side of the link device.
- the anti-clip side guide rail is configured to roll the roller on the anti-clip side of the link device.
- the interval between the two guide rails is adjusted. Extend the link device. As a result, the pitch of the clip can be increased.
- the sprocket is configured so that the link device can circulate along two guide rails.
- the sprocket meshes with the roller on the anti-clip side.
- the posture of the link device is determined by the three rollers, and the extension of the link is determined.
- the two rollers are two rollers that roll on the anti-clip side guide rail, and two rollers that are adjacent (adjacent) to each other.
- the remaining one roller is a roller that rolls on the clip side guide rail and a roller that rolls between the two rollers that roll on the non-clip side guide rail.
- the distance between the two guide rails is constant and arranged linearly. For this reason, the child link that is not connected to the roller that rolls on the guide rail also moves along the guide rail.
- the distance between the two guide rails is gradually narrowed.
- the distance between the two guide rails is gradually reduced while the two guide rails are curved. For this reason, the link apparatus which has moved through the preheating zone smoothly moves to the stretching zone.
- the curvature of the anti-clip side guide rail is relatively larger than the curvature of the clip side guide rail at the connecting portion of this extension zone. For this reason, the interval between the two rollers on the clip side of the adjacent link device is unintentionally increased. Thereby, in this connection part, the difference of the movement locus
- An object of the present invention is to provide a clip-type stretching apparatus capable of performing simultaneous biaxial stretching suitable for a preset pattern of stretching of a sheet-shaped member when the sheet-shaped member is simultaneously biaxially stretched. It is in.
- the clip-type stretching device of the present invention defines a primary link device including a first clip carrier member having a clip, a secondary link device having a clip, and a circulation path of the clip.
- a reference rail, a pitch setting rail that sets a pitch between the first clip carrying members according to a separation distance from the reference rail, and a driving roller provided on the first shaft member of the first clip carrying member are engaged.
- a driving sprocket for running the first clip carrying member.
- the driving sprocket engages with the driving roller of the first shaft member.
- the 1st clip holding member connected endlessly can be made to run along a circuit course.
- the pitch (interval) between the adjacent first shaft members does not increase unintentionally at the connecting portion of the stretching zone.
- the difference between the travel locus of the first shaft member and the travel locus of the sixth shaft member not provided with the engaging element can be within an allowable range.
- the difference between the travel trajectory of the clip provided on the first clip holding member and the travel trajectory of the clip provided on the second support member is also within the allowable range.
- simultaneous biaxial stretching of the sheet-like member can be performed based on a preset stretching pattern.
- the top view which shows the whole structure of the clip type extending
- the top view which shows the structure of the main link apparatus of FIG. 1, and a sublink apparatus.
- the side view of the main link apparatus of FIG. The side view of the slave link apparatus of FIG.
- the top view which shows the positional relationship of a main link apparatus and a sublink apparatus in the connection part of the extending
- the clip-type stretching device 1 includes endless loops 11R and 11L on the left and right sides in a plan view.
- the left and right endless loops 11R and 11L are configured such that a plurality of clips 10 are movable.
- the clip 10 is configured to be able to grip a sheet-like member such as a sheet or film to be stretched.
- the right endless loop as viewed from the inlet 1a side of the sheet-like member is referred to as the right endless loop 11R, and the left endless loop is referred to as the left endless loop 11L.
- the clips 10 of the left and right endless loops 11R, 11L are each guided by the reference rail 12 and moved in a loop.
- the right endless loop 11R moves in a clockwise direction.
- the left endless loop 11R moves in a counterclockwise direction.
- the sheet-like member before stretching is gripped at both edges by the clip 10 at the inlet 1a, and after being stretched, is released from gripping the clip 10 at the outlet 1b.
- a preheating zone A, a stretching zone B, and a heat treatment zone C are arranged in this order from the inlet 1a side (upstream side) to the outlet 1b side (downstream side) of the sheet-like member.
- the distance between the left and right endless loops 11R, 11L is equivalent to the initial width of the transverse stretching, and is set to be relatively small.
- the left and right endless loops 11R and 11L are arranged in parallel to each other over the entire preheating zone A.
- the distance between the left and right endless loops 11R and 11L is gradually increased from the preheating zone A side toward the heat treatment zone C.
- the left and right endless loops 11R and 11L are arranged in a non-parallel manner over the entire stretch zone B.
- the distance between the left and right endless loops 11R and 11L is set to be equivalent to the initial width of the lateral stretching at the stretching start end (connection end with the preheating zone A), and the stretching end end (with the heat treatment zone C) At the connection end), the width is set to be equivalent to the final width of the transverse stretch.
- the left and right endless loops 11R and 11L are configured to be bent so as to protrude toward the clip 10 side. Thereby, the clip 10 that has moved in the preheating zone A can be smoothly transferred to the stretching zone B.
- the spacing between the left and right endless loops 11R and 11L is set to be relatively large, corresponding to the final width of the transverse stretch. Over the entire heat treatment zone C, the left and right endless loops 11R and 11L are arranged in parallel to each other.
- the clip 10 is configured to be able to grip the sheet-like member W.
- the clip 10 includes a yoke-shaped clip body 20, a lower fixed clip member 21 fixedly attached to the clip body 20, a movable lever 23 rotatably attached to the clip body 20 by a pin 22, and a movable lever 23.
- the upper movable clip member 25 is attached to the lower end of the upper movable clip member 25 so as to be swingable by a pin 24.
- the lower fixed clip member 21 and the upper movable clip member 25 are configured to be able to support by sandwiching the side edge of the sheet-like member W. As a result, the clip 10 can be supported while sandwiching the sheet-like member W, or the support state can be released.
- half of the plurality of clips 10 are individually provided in the main link device 30, and the other half are individually provided in the slave link device 60.
- the main link device 30 includes a first clip support member 31 having a rectangular shape.
- the first clip carrying member 31 is configured to carry the clip 10.
- the clip 10 is carried on one end (front side) of the first clip carrying member 31 in the longitudinal direction.
- the first clip holding member 31 has a frame structure (see FIG. 3) closed by an upper beam 32, a lower beam 33, a front wall 34, and a rear wall 35.
- a frame structure has a structure that is strong and excellent in rigidity.
- Traveling wheels 38 and 39 are provided at both ends (front wall 34 and rear wall 35) of the first clip holding member 31.
- the traveling wheels 38 and 39 are rotatably supported by shafts 36 and 37, respectively.
- the traveling wheels 38 and 39 roll on horizontal traveling road surfaces 81 and 82 formed on the base 80.
- the traveling road surfaces 81 and 82 are parallel to the reference rail 12 over the entire area.
- First elongated holes (long holes) 40 are formed on the other end side (rear side) of the upper beam 32 and the other end side (rear side) of the lower beam 33, respectively.
- the upper and lower first long holes (long holes) 40 have a long shape in the longitudinal direction.
- a first slider 41 is slidably engaged with the upper and lower first elongated holes 40.
- a single first shaft member 42 is provided vertically through the upper beam 32 and the lower beam 33.
- the first slider 41 above and below the first clip carrying member 31 is provided with a single second shaft member 43 penetrating vertically.
- One end of the first link member 44 is pivotally connected to the first shaft member 42 of the first clip carrying member 31.
- the other end of the first link member 44 is pivotally connected to the second shaft member 43 of the first clip holding member 31 adjacent to the downstream side in the conveyance direction of the sheet-like member W.
- a third shaft member 46 is provided in the middle portion of the first link member 44.
- One end of the second link member 45 is pivotally connected to the third shaft member 46 (Pivot connection).
- the other end of the second link member 45 is pivotally connected to the first shaft member 42 of the first clip holding member 31 adjacent to the downstream side in the transport direction of the sheet-like member W.
- the distance between the third shaft member 46 and the first shaft member 42 in the second link member 45 is equal to the third shaft member 46 and the first shaft member 42 in the first link member 44. Is set equal to the distance between.
- a guide roller (first engaging element) 47 is rotatably provided at the lower end of the first shaft member 42.
- the guide roller 47 is engaged with the concave groove 83 of the reference rail 12 having a concave groove shape.
- the reference rail 12 (concave groove 83) is provided on the base 80.
- the reference rail 12 (concave groove 83) defines a circulation path of the clip 10.
- a driving roller 48 is rotatably provided at the upper end of the first shaft member 42.
- the scissors driving roller 48 selectively engages the driving sprockets 14 and 15 (see FIG. 1).
- the drive sprockets 14 and 15 are rotationally driven by an electric motor (not shown).
- the drive sprockets 14 and 15 selectively engage with the drive roller 48 of the first clip carrier member 31.
- a force for causing the first clip carrying member 31 to travel along the circulation path is applied to the first clip carrying member 31.
- the first clip holding member 31 is caused to travel along the circulation route.
- a pitch setting roller (second engaging element) 49 is rotatably provided at the lower end of the second shaft member 43.
- the pitch setting roller 49 is engaged with the concave groove 84 of the pitch setting rail 13 having a concave groove shape.
- the pitch setting rail 13 (concave groove 84) is provided on the base 80.
- the pitch setting rail 13 (concave groove 84) sets the position of the first slider 41 in the first slot 40.
- the pitch setting rail 13 functions to determine the position of the first slider 41 in the first long hole 40 according to the separation distance from the reference rail 12.
- the pitch setting rail 13 variably sets the pitch between the first clip carrying members 31 adjacent along the conveying direction of the sheet-like member W. For example, as the distance between the pitch setting rail 13 and the reference rail 12 is longer, that is, as the pitch setting rail 13 is further away from the reference rail 12, the first slider 41 is moved to the first clip holding member 31. Move to the other end side (counter clip side). Thus, the pitch between the first clip carrying members 31 is reduced.
- the member 31 is moved to one end side (clip side).
- the pitch between the first clip carrying members 31 is increased.
- the separation distance between the pitch setting rail 13 and the reference rail 12 is set to a maximum value throughout the preheating zone A.
- the pitch setting rail 13 is set so that the pitch between the first clip holding members 31 is minimized.
- the stretching zone B is configured between a stretching start end (connection end with the preheating zone A) and a stretching end end (connection end with the heat treatment zone C).
- the distance between the pitch setting rail 13 and the reference rail 12 is the maximum value, and the pitch between the first clip holding members 31 is the minimum. It has become.
- the distance between the pitch setting rail 13 and the reference rail 12 is the minimum value, and the pitch between the first clip carrying members 31 is It has become the maximum.
- the stretching zone B is configured such that the distance between the pitch setting rail 13 and the reference rail 12 is gradually shortened from the stretching start end toward the stretching end end. That is, the stretching zone B is configured such that the pitch between the first clip holding members 31 gradually increases from the stretching start end toward the stretching end end.
- the separation distance between the pitch setting rail 13 and the reference rail 12 is set to a maximum value throughout the entire heat treatment zone C.
- the pitch setting rail 13 is set so that the pitch between the first clip holding members 31 is maximized.
- the reference rail 12 and the pitch setting rail 13 are arranged and configured. Thereby, the circulation path of the endless loops 11R and 11L clips 10 having a large number of clips 10 that hold the sheet-like member W is set. As a result, a drawing pattern that is applied while the sheet-like member W moves from the inlet 1a to the outlet 1b is defined.
- the secondary link device 60 includes a second clip support member 61 having a rectangular shape.
- the second clip carrying member 61 is configured to carry the clip 10.
- the clip 10 is supported by one end portion (front side) of the second clip supporting member 61 in the longitudinal direction.
- the second clip carrying member 61 has a frame structure (see FIG. 4) closed by an upper beam 62, a lower beam 63, a front wall 64, and a rear wall 65.
- a frame structure has a structure that is strong and excellent in rigidity.
- Second long holes (long holes) 66 are formed on the other end side (rear side) of the upper beam 62 and the other end side (rear side) of the lower beam 63, respectively.
- the upper and lower second long holes (long holes) 66 have a shape that is long in the longitudinal direction.
- a second slider 67 is slidably engaged with the upper and lower second long holes 66.
- the upper and lower second sliders 67 are provided with a single third shaft member 46 penetrating vertically.
- the slave link device 60 has a third link member 68 and a fourth link member 70.
- One end of the third link member 68 is rotatably connected to an intermediate portion of the first link member 44.
- An intermediate portion of the first link member 44 is set in the middle between the first shaft member 42 and the third shaft member 46.
- a fourth shaft member 69 is provided at the intermediate portion.
- one end of the third link member 68 is pivotally connected to the fourth shaft member 69.
- One end of the fourth link member 70 is rotatably connected to an intermediate portion of the second link member 45.
- An intermediate portion of the second link member 45 is set in the middle between the first shaft member 42 and the third shaft member 46.
- a fifth shaft member 71 is provided at the intermediate portion.
- one end of the fourth link member 70 is pivotally connected to the fifth shaft member 71.
- the distance between the fourth shaft member 69 and the sixth shaft member 72 in the third link member 68 is between the fourth shaft member 69 and the first shaft member 42 in the first link member 44. Is set equal to the distance.
- the distance between the fifth shaft member 71 and the sixth shaft member 72 in the fourth link member 70 is between the fifth shaft member 71 and the first shaft member 42 in the second link member 45. Is set equal to the distance.
- the other end of the third link member 68 and the other end of the fourth link member 70 are connected to each other by a sixth shaft member 72 so as to be pivotable.
- the sixth shaft member 72 is attached through the upper beam 62 and the lower beam 63 in the vicinity of one end (the clip 10 side) of the second clip carrying member 61.
- the distance between the sixth shaft member 72 of the second clip carrying member 61 and the clip 10 is the distance between the first shaft member 42 of the first clip carrying member 31 and the clip 10.
- the third link member 68 is pivotally connected to the first link member 44 of the main link device 30, and the fourth link member 70 is the second link member 30 of the main link device 30.
- the link member 45 is pivotally connected.
- the slave link device 60 is configured to be expandable in accordance with the expansion of the main link device 30.
- the sixth shaft member 72 of the slave link device 60 is positioned on a straight line connecting the first shaft members 42 of the adjacent main link devices 30. That is, the sixth shaft member 72 is positioned at an intermediate portion (intermediate point) between the adjacent first shaft members 42.
- the left and right endless loops 11R and 11L having a number of clips 10 each include a number of main link devices 30 and a plurality of slave link devices 60 connected endlessly.
- the slave link devices 60 are provided one by one between the adjacent main link devices 30.
- the drive sprockets 14 and 15 of the right endless loop 11R are rotationally driven in a clockwise direction by an electric motor (not shown).
- the drive sprockets 14 and 15 of the left endless loop 11L are driven to rotate counterclockwise by an electric motor (not shown).
- the driving rollers 48 of the first clip carrier member 31 are engaged with the driving sprockets 14 and 15.
- both side edges of the sheet-like member W are gripped (clip-on) by the clips 10 of the left and right endless loops 11R and 11L.
- the sheet-like member W becomes a preheating zone. Enter A.
- the pitch setting rail 13 and the reference rail 12 are disposed in parallel with each other over the entire preheating zone A.
- the separation distance between the pitch setting rail 13 and the reference rail 12 is set to a maximum value.
- the pitch setting rail 13 is set so that the pitch between the first clip holding members 31 is minimized.
- the sheet-like member W is not subjected to transverse stretching or longitudinal stretching, and only preheating is performed.
- the sheet-like member W After the preheating, the sheet-like member W subsequently enters the stretching zone B.
- the stretching zone B the distance between the left and right endless loops 11R and 11L is gradually increased from the preheating zone A side toward the heat treatment zone C.
- the stretching zone B is configured such that the distance between the pitch setting rail 13 and the reference rail 12 gradually decreases from the stretching start end toward the stretching end end. That is, the stretching zone B is configured such that the pitch between the first clip holding members 31 gradually increases from the stretching start end toward the stretching end end.
- the first slider 41 of the main link device 30 moves to one end side (clip side) of the first clip holding member 31. Therefore, in the stretching zone B, the longitudinal stretching is performed simultaneously with the lateral stretching on the sheet-like member W. At this time, the slave link device 60 extends so that the sixth shaft member 72 is positioned at an intermediate portion on a straight line connecting the first shaft members 42 between the adjacent main link devices 30.
- the sheet-like member W After simultaneous biaxial stretching, the sheet-like member W subsequently enters the heat treatment zone C.
- the separation distance between the pitch setting rail 13 and the reference rail 12 is set to a maximum value over the entire heat treatment zone C.
- the pitch setting rail 13 is set so that the pitch between the first clip holding members 31 is maximized.
- the sheet-like member W is not subjected to transverse stretching or longitudinal stretching, and only the heat treatment is performed.
- the grip on the sheet-like member W is released (clip-off) by the clips 10 of the left and right endless loops 11R and 11L. Thereafter, the sheet-like member W advances straight. Further, the main link device 30 and the sub link device 60 are guided by the reference rail 12 and move in a loop.
- the distance between the reference rail 12 and the pitch setting rail 13 is adjusted. If it does so, the space
- the difference E between the traveling locus of the first shaft member 42 and the traveling locus of the sixth shaft member 72 not provided with the engagement element can be within an allowable range.
- the difference between the travel locus of the clip 10 provided on the first clip carrier member 31 and the travel locus of the clip 10 provided on the second carrier member 61 is also within an allowable range.
- the 4th shaft member 69 which pivotally connects the 3rd link member 68 of the link apparatus 60 according to the 1st link member 44 of the main link apparatus 30 is the 1st shaft member 42 and the 3rd shaft member. 46 is set in the middle.
- the fifth shaft member 71 that pivotally connects the fourth link member 70 of the link device 60 according to the second link member 45 of the main link device 30 is also the first shaft member 42 and the third shaft member. 46 is set in the middle.
- an interval between the reference rail 12 and the pitch setting rail 13 is L in a direction orthogonal to the reference rail 12 and the pitch setting rail 13. Then, the distance between the drive roller 48 of the first link member 44 engaged with the drive sprockets 14 and 15 and the fourth shaft member 69 and the fifth shaft member 71 is viewed in the above-described orthogonal direction. L / 4.
- Such an interval (L / 4) has a positional relationship close to the point of action of the force that causes the first clip carrying member 31 to travel along the circulation route. As a result, the slave link device 60 can be stably extended (stretched / expanded).
- simultaneous biaxial stretching suitable for a preset stretching pattern of the sheet-like member W can be performed while suppressing the conventional problem that the stretched state of the film at the connecting portion Bf of the stretching zone B is different.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Advancing Webs (AREA)
Abstract
Description
クリップ側ガイドレールは、リンク装置のクリップ側のローラを転動可能に構成されている。一方、反クリップ側ガイドレールは、リンク装置の反クリップ側のローラを転動可能に構成されている。ここで、2本のガイドレールの間隔を調節する。リンク装置を伸長させる。これにより、つかみ子(clip)のピッチを拡大させることができる。
図1~図5に示すように、クリップ式延伸装置1は、平面視で左右両側に、無端ループ11Rと11Lとを具備している。左右の無端ループ11R、11Lは、複数のクリップ10が移動可能に構成されている。クリップ10は、延伸対象のシートやフィルムなどのシート状部材を把持可能に構成されている。なお、シート状部材の入口1a側から見て右側の無端ループを右側の無端ループ11R、左側の無端ループを左側の無端ループ11Lと言う。
図2~図3に示すように、主リンク装置30は、長方形状を有する第1のクリップ担持部材(clip support member)31を備えている。第1のクリップ担持部材31は、クリップ10を担持可能に構成されている。クリップ10は、第1のクリップ担持部材31の長手方向の一端部(前側)に担持されている。
図2、図4に示すように、従リンク装置60は、長方形状を有する第2のクリップ担持部材(clip support member)61を備えている。第2のクリップ担持部材61は、クリップ10を担持可能に構成されている。クリップ10は、第2のクリップ担持部材61の長手方向の一端部(前側)に担持されている。
右側の無端ループ11Rの駆動用スプロケット14、15は、電動モータ(図示せず)によって、時計廻り方向に回転駆動される。左側の無端ループ11Lの駆動用スプロケット14、15は、電動モータ(図示せず)によって、反時計廻り方向に回転駆動される。駆動用スプロケット14、15には、第1のクリップ担持部材31の駆動ローラ48が係合している。
駆動用スプロケット14、15が、クリップ10側の第1の軸部材42に設けられた駆動ローラ48と係合する。これにより、第1のクリップ担持部材31を巡回経路に沿って走行させる。この結果、図5に示すように、クリップ10が延伸ゾーンBの接続部Bfを通過する際、2個の案内ローラ(第1の係合子)47と1個のピッチ設定ローラ(第2の係合子)49の3点で、主リンク装置30の姿勢を安定化させることができる。
10 クリップ
11L、11R 無端ループ
12 基準レール
13 ピッチ設定レール
14、15 駆動用スプロケット
30 主リンク装置
31 第1のクリップ担持部材
32 上梁
33 下梁
34 前壁
35 後壁
40 第1の長孔
41 第1のスライダ
42 第1の軸部材
43 第2の軸部材
44 第1のリンク部材
45 第2のリンク部材
46 第3の軸部材
47 案内ローラ
48 駆動ローラ
49 ピッチ設定ローラ
60 従リンク装置
61 第2のクリップ担持部材
62 上梁
63 下梁
64 前壁
65 後壁
66 第2の長孔
67 第2のスライダ
68 第3のリンク部材
69 第4の軸部材
70 第4のリンク部材
71 第5の軸部材
72 第6の軸部材
80 基台
83、84 凹溝
Claims (1)
- 左右両側に配置された多数のクリップによってシート状部材の両側縁部を把持して、前記シート状部材の延伸を行うクリップ式延伸装置であって、
長方形状をなし、長手方向の一端部に前記シート状部材を把持する前記クリップを有し、他端側に長手方向に長い第1の長孔が形成された複数の第1のクリップ担持部材と、
前記第1のクリップ担持部材の前記一端部の近傍に設けられた第1の軸部材と、
前記第1のクリップ担持部材の前記第1の長孔にスライド可能に係合した第1のスライダと、
前記第1のスライダに設けられた第2の軸部材と、
一端を前記第1のクリップ担持部材に設けられた前記第1の軸部材に枢動連結され、他端を隣接する前記第1のクリップ担持部材に設けられた前記第2の軸部材に枢動連結された第1のリンク部材と、
一端を前記第1のリンク部材の中間部に設けられた第3の軸部材によって枢動連結され、他端を隣接する前記第1のクリップ担持部材に設けられた前記第1の軸部材に枢動連結された第2のリンク部材と、
一端を前記第1のリンク部材の前記第1の軸部材と前記第3の軸部材との中間部に設けられた第4の軸部材によって枢動連結された第3のリンク部材と、
一端を前記第2のリンク部材の前記第1の軸部材と前記第3の軸部材との中間部に設けられた第5の軸部材によって枢動連結された第4のリンク部材と、
前記第3のリンク部材の他端と前記第4のリンク部材の他端を相互に枢動可能に連結する第6の軸部材と、
長方形状をなし、長手方向の一端部に前記シート状部材を把持する前記クリップを有し、前記第6の軸部材が前記一端部の近傍に設けられ、他端側に形成された長手方向に長い第2の長孔にスライド可能に係合し、前記第3の軸部材に連結された第2のスライダが設けられた複数の第2のクリップ担持部材と、
前記第1の軸部材に設けられた第1の係合子が係合し、前記クリップの巡回経路を画定する基準レールと、
前記基準レールに沿って設けられて前記第2の軸部材に設けられた第2の係合子が係合し、前記基準レールとの離間距離によって隣接する前記第1のクリップ担持部材との間のピッチを可変設定するピッチ設定レールと、
前記第1の軸部材に設けられた駆動ローラが選択的に係合して前記第1のクリップ担持部材を前記巡回経路に沿って走行させる駆動用スプロケットと、を備えたクリップ式延伸装置。
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JP2017519384A JP6772130B2 (ja) | 2015-05-19 | 2016-05-18 | クリップ式延伸装置 |
KR1020177032879A KR102055050B1 (ko) | 2015-05-19 | 2016-05-18 | 클립식 연신 장치 |
CN201680028251.8A CN107614243B (zh) | 2015-05-19 | 2016-05-18 | 夹式拉伸装置 |
US15/814,864 US10894351B2 (en) | 2015-05-19 | 2017-11-16 | Clip-type stretching apparatus |
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JP2020131444A (ja) * | 2019-02-13 | 2020-08-31 | 芝浦機械株式会社 | 同時2軸延伸装置のクリップリンク機構 |
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WO2020116071A1 (ja) * | 2018-12-07 | 2020-06-11 | 東芝機械株式会社 | セパレータフィルム製造装置及びセパレータフィルムの製造方法 |
KR102347855B1 (ko) | 2021-05-17 | 2022-01-06 | 주식회사 티씨엠에스 | 동시이축 연신장치 |
KR102374987B1 (ko) | 2021-07-15 | 2022-03-17 | 주식회사 티씨엠에스 | 동시이축 md 연신장치 |
JP2023013552A (ja) * | 2021-07-16 | 2023-01-26 | 株式会社日本製鋼所 | リンク装置および延伸機 |
KR102358924B1 (ko) | 2021-07-29 | 2022-02-08 | 주식회사 티씨엠에스 | 레일 길이 보상용 동시이축 연신장치 |
KR102358925B1 (ko) | 2021-09-08 | 2022-02-08 | 주식회사 티씨엠에스 | 분리막 두께 균일화용 td 연신장치 |
CN114228121B (zh) * | 2022-02-24 | 2022-05-13 | 佛山市盟思拉伸机械有限公司 | 提高薄膜在拉伸起始段同步性的拉伸装置 |
CN114228122B (zh) * | 2022-02-24 | 2022-06-14 | 佛山市盟思拉伸机械有限公司 | 薄膜双向混合拉伸装置与方法 |
CN116945567B (zh) * | 2023-08-07 | 2024-09-24 | 佛山市盟思拉伸装备有限公司 | 薄膜双向混合拉伸夹持装置 |
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WO2008090797A1 (ja) * | 2007-01-23 | 2008-07-31 | Toshiba Kikai Kabushiki Kaisha | クリップ式シート・フィルム延伸装置 |
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DE112007001696B4 (de) * | 2006-07-19 | 2013-04-11 | Toshiba Kikai K.K. | Klammerdehner für eine Folie oder einen Film |
CN102485471B (zh) * | 2010-12-01 | 2016-08-03 | 天津东皋膜技术有限公司 | 具有自适应调整运动轨迹的同步双向拉伸链夹装置 |
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JPS5949939A (ja) * | 1982-09-17 | 1984-03-22 | Toray Ind Inc | シート状物の延伸装置 |
US4807336A (en) * | 1984-01-24 | 1989-02-28 | Toray Industries, Inc. | Link device for stretching sheet material and stretching apparatus using said link device |
WO2008090797A1 (ja) * | 2007-01-23 | 2008-07-31 | Toshiba Kikai Kabushiki Kaisha | クリップ式シート・フィルム延伸装置 |
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JP2020131444A (ja) * | 2019-02-13 | 2020-08-31 | 芝浦機械株式会社 | 同時2軸延伸装置のクリップリンク機構 |
JP7059219B2 (ja) | 2019-02-13 | 2022-04-25 | 芝浦機械株式会社 | 同時2軸延伸装置のクリップリンク機構 |
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US10894351B2 (en) | 2021-01-19 |
TW201711829A (zh) | 2017-04-01 |
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US20180071973A1 (en) | 2018-03-15 |
CN107614243A (zh) | 2018-01-19 |
TWI611906B (zh) | 2018-01-21 |
KR102055050B1 (ko) | 2019-12-11 |
JPWO2016186141A1 (ja) | 2018-03-08 |
KR20170137854A (ko) | 2017-12-13 |
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