JP2007112015A - Production line of beltlike reinforcing member, and manufacturing process of beltlike reinforcing member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the width accuracy of a beltlike reinforcing member 3 by lessening elongation near the cutting face of the beltlike reinforcing member 3 and a ravel in the cutting face of a beltlike reinforcing member 3. <P>SOLUTION: A production line of a beltlike reinforcing member comprises a process for forming the beltlike reinforcing member 3 to continuously form it with a pair of calender rolls 13, 15 in a calender roll apparatus 11 and transfer it in the transferring direction, a process for continuously cutting in a predetermined width the beltlike reinforcing member 3 formed in the process for forming it by pinching it from up and down with a first rotating member 37 and a second rotating member 39 while rotating them in a cutter apparatus 35 in sync with the same rate as a rate of winding of a winding apparatus 45, and a process for continuously winding by the winding apparatus 45 the beltlike reinforcing member 3 cut in a predetermined width. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention provides a production line for a belt-like reinforcing member for continuously producing a belt-like reinforcing member formed by integrally laminating a rubber sheet made of rubber and a nonwoven fabric sheet made of non-woven fabric, and continuously producing the belt-like reinforcing member. The present invention relates to a method for manufacturing a belt-shaped reinforcing member for the purpose.

  In recent years, in the tire industry, various developments have been made on an air bladder that supports a vehicle load in place of the tire when the internal pressure of the tire rapidly decreases. In addition, a band-shaped reinforcing member formed by integrally laminating a pair of rubber sheets made of rubber and a non-woven cloth sheet made of non-woven cloth is used for molding the reinforcing layer, which is a constituent element of the air bladder (Patent Document). 1). And the said strip | belt-shaped reinforcement member is manufactured continuously as follows.

  That is, a pair of said rubber sheet and said nonwoven fabric sheet are continuously sent out toward the gap | interval of a pair of calendar roll in a calendar roll apparatus. And by pressing the pair of the calender rolls synchronously while pressing from above and below by the pair of the calender rolls and the pair of the rubber sheets polymerized with the nonwoven fabric sheet in between, the rubber sheet and The said strip | belt-shaped reinforcement member formed by integrally laminating | stacking the said nonwoven fabric sheet is shape | molded continuously, and it conveys to a feed direction. Further, the formed band-shaped reinforcing member is continuously wound by a winding device disposed on the downstream side of the calendar roll device as viewed from the feeding direction.

In addition, after winding the band-shaped reinforcing member by the winding device, the operator cuts the band-shaped reinforcing member to a predetermined width using scissors or the like as necessary.
WO2002 / 096678

  By the way, as mentioned above, the said strip | belt-shaped reinforcement member uses the nonwoven fabric as a constituent material, The said strip | belt-shaped reinforcement member itself is easy to expand | extend, and the fiber of the said strip | belt-shaped reinforcement member is fine and is not oriented. Therefore, when the band-shaped reinforcing member is cut using scissors or the like, a tensile force is generated near the cut surface of the band-shaped reinforcing member, and the vicinity of the cut surface of the band-shaped reinforcing member is extended, or the cut surface of the band-shaped reinforcing member is There is a problem that it is extremely difficult to raise the width accuracy of the band-shaped reinforcing member due to fraying.

  Therefore, in order to solve the above-described problem, the present invention can sufficiently suppress the occurrence of a tensile force in the vicinity of the cut surface of the band-shaped reinforcing member when the band-shaped reinforcing member is continuously cut to a predetermined width. An object of the present invention is to provide a production line for a belt-shaped reinforcing member having a novel configuration and a method for producing the belt-shaped reinforcing member.

  The first feature of the present invention (feature of the invention described in claim 1) is the continuous production of a belt-like reinforcing member having a predetermined width formed by integrally laminating a rubber sheet made of rubber and a non-woven fabric sheet made of non-woven fabric. A belt-shaped reinforcing member manufacturing line comprising a first cutter rotating member and a second cutter rotating member sandwiching the band-shaped reinforcing member from above and below, and the belt-shaped reinforcing member conveyed in the feeding direction having a predetermined width A cutter device that continuously cuts, and a winding device that is disposed on the downstream side of the cutter device as viewed from the feeding direction and continuously winds the band-shaped reinforcing member cut to a predetermined width, The cutter device is configured such that the first cutter rotating member and the second cutter rotating member rotate synchronously at the same speed as the winding speed of the winding device.

  According to the first feature, the belt-like reinforcement conveyed in the feeding direction while rotating the first cutter rotating member and the second cutter rotating member at the same speed as the winding speed of the winding device. By sandwiching the member from above and below by the first cutter rotating member and the second cutter rotating member, the belt-like reinforcing member is continuously cut to a predetermined width. And the said strip | belt-shaped reinforcement member cut | judged by predetermined width is wound up continuously by the said winding device.

  Here, when the strip-shaped reinforcing member is continuously cut into a predetermined width, the first cutter rotating member and the second cutter rotating member are rotated synchronously at the same speed as the winding speed of the winding device. Therefore, it is possible to sufficiently suppress the generation of a tensile force in the vicinity of the cut surface of the band-shaped reinforcing member.

  In addition to the first feature, the second feature of the present invention (feature of the invention described in claim 2) is that one of the first cutter rotating member and the second cutter rotating member is A cutting blade for cutting the strip-shaped reinforcing member on the outer peripheral side, and the other cutter rotating member of the first cutter rotating member and the second cutter rotating member is It has the blade receiving part which receives a cutting blade.

  According to a third feature (feature of the invention described in claim 3) of the present invention, in addition to the first feature, the first cutter rotating member has a first shearing blade on the outer peripheral side. The second cutter rotating member has a second shearing blade for shearing the belt-shaped reinforcing member in cooperation with the first shearing blade on the outer peripheral side.

  A fourth feature of the present invention (a feature of the invention described in claim 4) is for continuously producing a belt-like reinforcing member formed by integrally laminating a rubber sheet made of rubber and a nonwoven fabric sheet made of nonwoven fabric. It is a manufacturing method of a belt-shaped reinforcement member, Comprising: The said belt-shaped reinforcement member is made into predetermined width by pinching | interposing the said belt-shaped reinforcement member conveyed by the feed direction with the 1st cutter rotation member and the 2nd cutter rotation member in a cutter apparatus from the upper and lower sides. A cutting process for continuous cutting, and the belt-shaped reinforcing member cut to a predetermined width in the cutting process are continuously wound by a winding device disposed on the downstream side of the cutter device as viewed from the feeding direction. And in the cutting step, the first cutter rotating member and the second cutter rotating member are synchronized at the same speed as the winding speed of the winding device. It is to rotate Te.

  According to the fourth feature, in the cutting step, the first cutter rotating member and the second cutter rotating member are rotated synchronously at the same speed as the winding speed of the winding device. It is possible to sufficiently suppress the generation of a tensile force near the cut surface of the member.

  A fifth feature of the present invention (a feature of the invention described in claim 5) is that, in addition to the fourth feature, a unit band of the band-shaped reinforcing member wound up by the winding device in the winding step. The winding torque of the winding device is controlled so that the tension per width is 1 N / cm or more and 8 N / cm or less.

  As described above, the tension per unit width of the belt-shaped reinforcing member wound by the winding device is set to 8 N / cm or less because the tension is per unit width exceeding 8 N / cm. This is because when the reinforcing layer molded using the belt-shaped reinforcing member is used as a component of an air bladder, the expansion function of the air bladder cannot be sufficiently exhibited when the internal pressure of the tire rapidly decreases. Further, the tension per unit width of the band-shaped reinforcing member wound by the winding device is set to 1 N / cm or more. When the winding is wound at a tension per unit width of less than 1 N / cm, This is because wrinkles are likely to occur in the belt-like reinforcing member.

  According to a fifth feature, in the winding step, the winding is performed such that the tension per unit band width of the band-shaped reinforcing member wound by the winding device is 1 N / cm or more and 8 N / cm or less. In order to control the winding torque of the winding device, the reinforced layer formed using the band-shaped reinforcing member is prevented from being formed in the air while suppressing the generation of wrinkles of the band-shaped reinforcing member when being wound by the winding device. In the case of such a constituent element, the expansion function of the air bladder can be sufficiently exhibited when the internal pressure of the front tire rapidly decreases.

  According to a sixth feature of the present invention (a feature of the invention described in claim 6), in addition to the fourth feature or the fifth feature, the band-shaped reinforcing member is a component of a pneumatic layer. It is to be used for molding.

  According to the first to sixth aspects of the present invention, when the strip-shaped reinforcing member is continuously cut to a predetermined width, it is possible to sufficiently suppress the generation of a tensile force near the cut surface of the strip-shaped reinforcing member. Therefore, the stretch in the vicinity of the cut surface of the band-shaped reinforcing member and fraying of the cut surface of the band-shaped reinforcing member are reduced, and the width accuracy of the band-shaped reinforcing member can be easily increased.

  According to invention of Claim 5 or Claim 6, said reinforcement layer shape | molded using the said strip | belt-shaped reinforcement member, suppressing generation | occurrence | production of the wrinkle of the said strip | belt-shaped reinforcement member at the time of winding by the said winding apparatus. Is used as a component of the air bladder, the expansion function of the air bladder can be sufficiently exerted when the internal pressure of the tire suddenly decreases. While improving, the product defect of the said strip | belt-shaped reinforcement member can be decreased as much as possible.

  An embodiment of the present invention will be described with reference to FIGS.

  Here, FIG. 1 is a schematic diagram for explaining a production line for a strip-shaped reinforcing member according to the embodiment of the present invention, and FIG. 2 is a schematic front view of the cutter device according to the embodiment of the present invention. 3 to 6 are views showing another aspect of the cutter device according to the embodiment of the present invention, and FIG. 7 is a feed in the method for manufacturing the belt-like reinforcing member according to the embodiment of the present invention. It is a schematic diagram explaining the other aspect of a process. In the figure, “F” indicates the feed direction, “W” indicates the line width direction, L “U” indicates the upward direction, and “D” indicates , Pointing down.

  As shown in FIG. 1, a production line 1 for a strip-shaped reinforcing member according to an embodiment of the present invention is a continuous production of a strip-shaped reinforcing member 3. Will be described. Here, the belt-like reinforcing member 3 is used for molding a reinforcing layer in an air bladder as shown in, for example, WO2002 / 096678, JP-A-2004-90808, etc., for example, rubber such as natural rubber or butyl rubber A pair of rubber sheets 5 and 7 (or any rubber sheet 5 (7)) and a nonwoven fabric sheet 9 made of a nonwoven fabric such as a polyamide nonwoven fabric, a polyester nonwoven fabric, a carbon nonwoven fabric, a rayon nonwoven fabric, or a glass nonwoven fabric are integrally formed. It is formed by stacking.

  That is, the production line 1 for the belt-like reinforcing member is a calender roll device that continuously forms a belt-like reinforcing member 3 formed by integrally laminating a pair of rubber sheets 5 and 7 and a nonwoven fabric sheet 9 and conveys the belt-like reinforcing member 3 in the feeding direction F 11 as a main device.

  Specifically, the calendar roll device 11 includes a pair of rubber sheets 5 and 7 polymerized with the nonwoven fabric sheet 9 in between, and a pair of calendar rolls 13 and 15 that press the nonwoven fabric sheet 9 from above and below. The calendar rolls 13 and 15 are linked to a calendar roll motor 17 and rotate in synchronization with the driving of the calendar roll motor 17. Further, one calender roll 13 is configured to be movable in the vertical direction approaching and moving away from the other calender roll 15 by the operation of the press cylinder 19 so that the pressing load by the pair of calender rolls 13 and 15 can be adjusted. ing.

  A feeding device 21 that continuously feeds the pair of rubber sheets 5 and 7 and the nonwoven fabric sheet 9 toward the gap between the pair of calendar rolls 13 and 15 is disposed on the upstream side of the calendar roll device 11 when viewed from the feeding direction F. ing.

  Specifically, an upper delivery roll support member 23 is provided on the upstream side of the calendar roll device 11 when viewed from the feed direction F, and one rubber sheet 5 is attached to the upper delivery roll support member 23 in a pair. An upper feed roll 25 that continuously feeds toward the gap between the calendar rolls 13 and 15 is provided to be rotatable and detachable. A lower delivery roll support member 27 is provided below the upper delivery roll support member 23, and the lower delivery roll support member 27 has the other rubber sheet 7 interposed between the pair of calendar rolls 13 and 15. A lower delivery roll 29 that continuously feeds out is provided in a freely rotatable manner. Further, an intermediate delivery roll support member 31 is provided between the upper delivery roll support member 23 and the lower delivery roll support member 27, and the nonwoven fabric sheet 9 is attached to the intermediate delivery roll support member 31 with a pair of calendar rolls. An intermediate feed roll 33 that continuously feeds toward the gaps 13 and 15 is rotatably and detachably provided. In the vicinity of the upper delivery roll support member 23, an upper delivery assist roll (not shown) for assisting delivery of one rubber sheet 5 is rotatably provided, and in the vicinity of the lower delivery roll support member 27. A lower feeding auxiliary roll (not shown) for assisting the feeding of the other rubber sheet 7 is rotatably provided, and an intermediate feeding for assisting the feeding of the nonwoven fabric sheet 9 is provided in the vicinity of the intermediate feeding roll support member 31. An auxiliary roll (not shown) is rotatably provided.

  A cutter device 35 is disposed on the downstream side of the calendar roll device 11 when viewed from the feed direction F to cut the belt-like reinforcing member 3 conveyed in the feed direction F by the calendar roll 11 into a predetermined width.

  Specifically, as shown in FIGS. 1 and 2, the cutter device 35 includes a plurality of disk-shaped first cutter rotating members 37 and cylindrical second cutter rotating members 39 that sandwich the band-shaped reinforcing member 3 from above and below. A set (only one set is shown) is provided. The first cutter rotating member 37 has a double-edged blade 37a that cuts the belt-shaped reinforcing member 3 on the outer peripheral side, and the second cutter rotating member 39 has a cutting blade 37a on the outer peripheral side thereof. It has a blade receiving portion 39a for receiving. And in order to make the 1st cutter rotation member 37 and the 2nd cutter rotation member 39 synchronize and rotate at the same peripheral speed as the peripheral speed of a pair of calender rolls 13 and 15, the 2nd cutter rotation member 39 is a cutter. The first cutter rotating member 37 is a pressing cylinder that is linked to the motor 41 for rotation and can be rotated at the same peripheral speed as that of the pair of calender rolls 13 and 15 by driving the cutter motor 41. 43 can be pressed to the second cutter rotating member 39 side. It should be noted that the first cutter rotating member 37 may be interlocked with the cutter motor 41. Further, each set of the first cutter rotating member 37 and the second cutter rotating member 39 is configured so that the position thereof can be adjusted in the line width direction W according to a predetermined width of the belt-shaped reinforcing member 3.

  Here, another aspect of the cutter device 35 will be briefly described.

  As shown in FIG. 3A, the cutting blade 37a in the first cutter rotating member 37 may be a single blade type, and as shown in FIG. 3B, the blade receiving portion 39a in the second cutter rotating member 39. May be configured in a circumferential groove shape. 4A, 4B, and 4C, the disc-shaped or cylindrical first cutter rotating member 37 has a first shearing blade 37b on the outer peripheral side, and is cylindrical. The disk-shaped or disk-shaped second cutter rotating member 39 may have a second shearing blade 39b that shears the belt-shaped reinforcing member 3 in cooperation with the first shearing blade 37b on the outer peripheral side.

As shown in FIG. 5, a plurality of first cutter rotating members 37 each having a cutting edge 37 a on the outer peripheral side may be integrated, and the second cutter rotating member 39 may be configured to extend in the line width direction. . Further, as shown in FIG. 6, a plurality of first cutter rotating members 37 each having a first shear blade 37b on the outer peripheral side are integrated, and a plurality of second cutter blades 39b each having a second shear blade 39b on the outer peripheral side are integrated. The two-cutter rotating member 39 may be integrated.
As shown in FIG. 1 again, on the downstream side of the cutter device 35 when viewed from the feed direction F, a winding device 45 for winding the belt-like reinforcing member 3 cut to a predetermined width is disposed.

  Specifically, a winding roll support member 47 is provided on the downstream side of the cutter device 35 when viewed from the feed direction F, and a winding roll 49 is detachably provided on the winding roll support member 47. It has been. The take-up roll 49 is linked to the take-up motor 51 and is rotated by the drive of the take-up motor 51.

  Here, the winding speed of the winding device 45 is the same speed as the peripheral speed (feeding speed) of the pair of calendar rolls 13 and 15, in other words, the cutter device 35 described above is the first cutter rotating member. 37 and the second cutter rotating member 39 are configured to rotate synchronously at the same speed (circumferential speed) as the winding speed of the winding device 45.

  Then, the manufacturing method of the strip | belt-shaped reinforcement member concerning embodiment of this invention is demonstrated with reference to FIG.1 and FIG.7.

  The manufacturing method of the belt-shaped reinforcing member is a method for manufacturing the belt-shaped reinforcing member 3, and includes (i) a sending process, (ii) a molding process, (iii) a cutting process, and (iv) a winding process. Yes.

(i) Delivery Step As shown in FIG. 1, one rubber sheet 5, the other rubber sheet 7, and the nonwoven fabric sheet 9 are paired from the upper delivery roll 25, the lower delivery roll 29, and the intermediate delivery roll 33 in the delivery device 21. Are continuously fed toward the gap between the calendar rolls 13 and 15. As shown in FIG. 7A, only one rubber sheet 5 and non-woven fabric sheet 9 are continuously sent out from the upper delivery roll 25 and the intermediate delivery roll 33 toward the gap between the pair of calendar rolls 13 and 15. Alternatively, as shown in FIG. 7B, only the other rubber sheet 7 and the nonwoven fabric sheet 9 are continued from the lower feed roll 29 and the intermediate feed roll 33 toward the gap between the pair of calendar rolls 13 and 15. You may make it send out.

(ii) Molding process A pair of rubber sheets 5 and 7 and a nonwoven fabric sheet 9 polymerized with the nonwoven fabric sheet 9 in between are pressed from above and below by a pair of calendar rolls 13 and 15 and a pair of calendar sheets are driven by driving a calendar roll motor 17. The calendar rolls 13 and 15 are rotated synchronously. Thereby, the belt-shaped reinforcing member 3 formed by integrally laminating the pair of rubber sheets 5 and 7 and the nonwoven fabric sheet 9 sent out in the (i) sending step is continuously formed and conveyed in the feeding direction F. Can do. In addition, as shown to Fig.7 (a), when only the one rubber sheet 5 and the nonwoven fabric sheet 9 are sent out, the strip | belt-shaped reinforcement member formed by integrally laminating one rubber sheet 5 and the nonwoven fabric sheet 9 3 can be molded, and when only the other rubber sheet 7 and the nonwoven fabric sheet 9 are sent out as shown in FIG. 7B, the other rubber sheet 7 and the nonwoven fabric sheet 9 are laminated together. Thus, the belt-shaped reinforcing member 3 can be formed.

  Here, the pressing cylinder 19 is controlled so that the pressing load by the pair of calendar rolls 13 and 15 during the molding step (ii) is 2N or more. That is, the reason why the pressing load by the pair of calender rolls 13 and 15 in the forming step (ii) is 2N or more is that when the pressing load by the pair of calender rolls 13 and 15 is less than 2N, This is because the rubber cannot be sufficiently permeated into the nonwoven fabric.

  Further, the temperature of the pair of calender rolls 13 and 15 during the forming step (ii) is set to 60 ° C to 70 ° C.

(iii) Cutting process By driving the cutter motor 41 and operating the pressing cylinder 43, the first cutter rotating member 37 and the second cutter rotating member 39 have the same peripheral speed as the peripheral speed of the pair of calendar rolls 13 and 15, in other words. The belt-like reinforcing member 3 formed in the forming step (ii) is rotated at the same speed (circumferential speed) as the winding speed of the winding device 45 while the first cutter rotating member 37 and the second cutter are rotated. The member 39 is sandwiched from above and below. Thereby, the strip | belt-shaped reinforcement member 3 shape | molded in the said (ii) shaping | molding process can be continuously cut | judged to predetermined width.

(iv) Winding process By rotating the winding roll 49 by driving the winding motor 51, the belt-shaped reinforcing member 3 cut to a predetermined width in the (iii) cutting process is continuously taken up by the winding device 45. Can be wound. The winding speed of the winding device 45 is the same as the peripheral speed of the pair of calendar rolls 13 and 15.

  Here, the winding torque of the winding motor 51 (in other words, in other words, the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 is 1 N / cm or more and 8 N / cm or less. The winding torque of the winding device 45 is controlled. That is, the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 is 8 N / cm or less because the belt-shaped reinforcing member wound with a tension per unit width exceeding 8 N / cm. Based on the novel finding that the expansion function of the air bladder cannot be sufficiently exhibited when the internal pressure of the tire suddenly decreases when the reinforcing layer molded using No. 3 is used as a constituent element of the air bladder Is. Further, the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 is set to 1 N / cm or more when the belt-shaped reinforcing member 3 is wound with a tension per unit width of less than 1 N / cm. This is based on a novel finding that wrinkles are likely to occur in the reinforcing member 3 (see examples described later).

  Then, the effect | action and effect of embodiment of this invention are demonstrated.

  In the cutting step (iii), when the strip-shaped reinforcing member 3 is continuously cut to a predetermined width, the first cutter rotating member 37 and the second cutter rotating member 39 are moved at the same speed as the winding speed of the winding device 45. Since they are rotated synchronously, it is possible to sufficiently suppress the generation of a tensile force in the vicinity of the cut surface of the belt-like reinforcing member 3.

  Further, the winding motor 51 is wound so that the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 in the (iv) winding process is 1 N / cm or more and 8 N / cm or less. In order to control the take-up torque, the reinforcing layer formed using the belt-like reinforcing member 3 is made to be a constituent element of the air bag while suppressing the generation of wrinkles of the belt-like reinforcing member 3 when being taken up by the winding device 45. In this case, the expansion function of the air bladder can be sufficiently exhibited when the internal pressure of the tire rapidly decreases.

  Furthermore, since the pressing load by the pair of calendar rolls 13 and 15 during the molding step (ii) is 2N or more, the rubber can be sufficiently infiltrated into the nonwoven fabric in the belt-like reinforcing member 3.

  As described above, according to the embodiment of the present invention, when the strip-shaped reinforcing member 3 is continuously cut to a predetermined width in the (iii) cutting step, a tensile force is generated near the cut surface of the strip-shaped reinforcing member 3. Since this can be sufficiently suppressed, the elongation in the vicinity of the cut surface of the belt-like reinforcing member 3 and the fraying of the cut surface of the belt-like reinforcing member 3 are reduced, and the width accuracy of the belt-like reinforcing member 3 can be easily increased.

  Further, when the reinforcing layer molded using the belt-shaped reinforcing member 3 is used as the component of the air bladder while suppressing the generation of wrinkles of the belt-shaped reinforcing member 3 when being wound by the winding device 45, Since the expansion function of the air bladder can be sufficiently exhibited when the internal pressure of the tire rapidly decreases, the quality of the belt-like reinforcing member 3 itself is improved, and the product defects of the belt-like reinforcing member 3 are reduced as much as possible. be able to.

  Furthermore, since the rubber can be sufficiently permeated into the nonwoven fabric in the belt-shaped reinforcing member 3, the quality of the belt-shaped reinforcing member 3 itself can be stabilized.

  The present invention can be implemented in various modes other than the above-described embodiments. Further, the scope of rights encompassed by the present invention is not limited to these embodiments.

[First embodiment]
When the band-shaped reinforcing member 3 is cut into a predetermined width (400 mm) in the (iii) cutting step in the method for manufacturing a band-shaped reinforcing member according to the embodiment of the present invention (Example 1), the band-shaped reinforcing member 3 is set to a predetermined width with scissors. When the width accuracy of the band-shaped reinforcing member 3 is summarized in the case of cutting to (400 mm) (Comparative Example 1), it is as shown in Table 1.

  That is, as shown in Table 1, compared to the case where the strip-shaped reinforcing member 3 is cut with scissors, the strip-shaped reinforcing member 3 is cut in the cutting step (iii) in the method for manufacturing the strip-shaped reinforcing member according to the embodiment of the present invention. When cut, the width accuracy of the belt-like reinforcing member 3 can be increased.

[Second Embodiment]
Table 2 summarizes the relationship between the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 and the degree of wrinkle of the belt-shaped reinforcing member 3. Here, the degree of wrinkle of the band-shaped reinforcing member 3 in Example 2 is set to 1, indicating that the wrinkle of the band-shaped reinforcing member 3 increases as the numerical value increases.

  That is, when the tension per unit width of the belt-shaped reinforcing member 3 wound by the winding device 45 is less than 1 N / cm, wrinkles in the belt-shaped reinforcing member 3 increase. In the case of Comparative Example 3, the band-shaped reinforcing member 3 has almost no wrinkles, but the elongation of the band-shaped reinforcing member 3 becomes too large, resulting in a product failure (NG).

It is a typical figure explaining the manufacturing line (manufacturing method of a strip | belt-shaped reinforcement member) of the strip | belt-shaped reinforcement member concerning embodiment of this invention. It is a typical front view of the cutter apparatus concerning embodiment of this invention. It is a figure which shows another aspect of the cutter apparatus concerning embodiment of this invention. It is a figure which shows another aspect of the cutter apparatus concerning embodiment of this invention. It is a figure which shows another aspect of the cutter apparatus concerning embodiment of this invention. It is a figure which shows another aspect of the cutter apparatus concerning embodiment of this invention. It is a schematic diagram explaining the other aspect of the sending process in the manufacturing method of the strip | belt-shaped reinforcement member concerning embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Production line of strip | belt-shaped reinforcement member 3 Strip | belt-shaped reinforcement member 5 Rubber sheet 7 Rubber sheet 9 Non-woven fabric sheet 11 Calendar roll device 13 Calendar roll 15 Calendar roll 35 Cutter device 37 First cutter rotating member 37a Cutting blade 37b First shear blade 39 Second Cutter rotating member 39a Blade receiving portion 39b Second shearing blade 41 Cutter motor 43 Pressing cylinder 45 Winding device

Claims (6)

A production line for a belt-like reinforcement member for continuously producing a belt-like reinforcement member having a predetermined width formed by integrally laminating a rubber sheet made of rubber and a nonwoven fabric sheet made of nonwoven fabric,
A cutter device that includes a first cutter rotating member and a second cutter rotating member that sandwich the band-shaped reinforcing member from above and below, and continuously cuts the band-shaped reinforcing member conveyed in the feeding direction to a predetermined width;
A winding device that is disposed on the downstream side of the cutter device as viewed from the feeding direction and continuously winds the band-shaped reinforcing member cut to a predetermined width;
The cutter device is configured such that the first cutter rotating member and the second cutter rotating member rotate synchronously at the same speed as the winding speed of the winding device. Production line.   One cutter rotating member of the first cutter rotating member and the second cutter rotating member has a cutting blade for cutting the band-shaped reinforcing member on the outer peripheral side, and the first cutter rotating member 2. The production line for a belt-shaped reinforcing member according to claim 1, wherein the other cutter rotating member of the second cutter rotating members has a blade receiving portion for receiving the cutting blade on an outer peripheral side.   The first cutter rotating member has a first shearing blade on the outer peripheral side, and the second cutter rotating member cooperates with the first shearing blade on the outer peripheral side of the belt-shaped reinforcing member. The production line for a strip-shaped reinforcing member according to claim 2, further comprising a second shearing blade for shearing. A method for producing a belt-like reinforcing member for continuously producing a belt-like reinforcing member formed by integrally laminating a rubber sheet made of rubber and a nonwoven fabric sheet made of non-woven fabric,
A cutting step of continuously cutting the belt-like reinforcing member to a predetermined width by sandwiching the belt-like reinforcing member conveyed in the feeding direction from above and below by the first cutter rotating member and the second cutter rotating member in the cutter device;
A winding step of continuously winding the band-shaped reinforcing member cut to a predetermined width in the cutting step by a winding device disposed on the downstream side of the cutter device when viewed from the feeding direction;
In the cutting step, the first cutter rotating member and the second cutter rotating member are rotated synchronously at the same speed as the winding speed of the winding device.   In the winding step, the winding torque of the winding device is set so that the tension per unit band width of the band-shaped reinforcing member wound by the winding device is 1 N / cm or more and 8 N / cm or less. The manufacturing method of the strip | belt-shaped reinforcement member of Claim 4 characterized by the above-mentioned.   The method for manufacturing a belt-shaped reinforcing member according to claim 4 or 5, wherein the belt-shaped reinforcing member is used for molding a reinforcing layer which is a constituent element of an air bladder.

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