JPH02500588A - Systems and methods for cutting and winding paper webs - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] For cutting and winding paper webs System and method Technical field In this method, the running paper web wound on the reel is cut, and the running paper web is cut. relates to a system and method for transferring the shredded paper web to an empty reel during It is something to do.

Background technology In the paper industry, a continuous sheet or paper web is typically produced and then Wind it onto the reel. Particularly in today's high-speed papermaking processes, continuous operation is required. Instantly switch from winding on a full roll to winding on an empty roll. Naturally, a system of failure is required. U.S. Patent No. 2,461,246 states: The tape is sent over the rotating empty roll core and wound in a spiral around the core. At the same time, the paper web is cut by applying strong tension across the running paper web, and the cut edges are cut. A method of winding onto an empty roll while supporting it with cutting tape is disclosed. So Later improvements concerned the method of tensioning the tape for cutting and feeding. However, various types of tape have also been used, such as U.S. Pat. No. 4,414,258 In this issue, a tape made of woven paper that can be made into a valve is described, and this tape is The paper rolled up next to the roll can be reused as waste paper, making it possible to improve the papermaking process. does not contradict. The method described in more recent U.S. Pat. No. 4,659,029 is Use renewable paper fiber tape and attach this tape to the lower strip of the running paper web. A person passes through a long guideway and into an empty reel nip to cut the paper web. Wind the cut edge onto the empty reel.

The object of the invention is to improve the operation of feeding cut tape onto an empty reel. In addition to the present invention The purpose of The goal is to provide a system that is fully automated. Still another object of the present invention is to provide a cutting tape. Therefore, before the paper web enters the guide path below the paper web to be cut, To apply adhesive. Other objects of the invention will become apparent from the detailed description below. Become.

Detailed description of the invention In the present invention, a running paper web wound on a first reel is cut with a cutting tape. The running paper web is cut by cutting the paper web, and the cutting tape is fixed on the blank reel. It concerns a system for transferring onto a reel. Cut the tape along the guide path. This guideway has elongated slots that open upwards below the paper web. The cutting tape exits from this guide path at the opposite edge of the paper web. To the present invention The improvement of the present invention is that the cutting tape is coated on one side of its front end before entering the guideway. To apply adhesive without covering. In other aspects, the leading edge of the cutting tape After the material has exited the opposite end of the guideway, release the clamping means and remove the cutting tape from the opposite end of the guideway. The end of the tape is held by a nip and the cutting tape is wound spirally around the empty roll. Then, the paper web is cut and transferred.

Further, the present invention cuts a running paper web wound on a reel, and after cutting, the paper web is is placed below the paper web and runs across the paper web in order to transfer the web to the empty reel. feeding the cutting tape into a laterally extending elongated guideway and on the opposite side of the guideway; The step of taking out the cutting tape from the end, and the step of removing the empty reel and the driving roller of this reel. The cutting tape is introduced into the nip between the tape and automatically spirals around the empty reel. wrapping and cutting the paper web. (1) There is no coating on the front end of the cutting tape before sending it into the guide path. (2) After receiving the cutting tape coming out from the guide path, the adhesive is applied. feeding the leading edge of the cutting tape into the nip so that a portion contacts the empty reel; This invention relates to an improvement method including.

In another aspect of the invention, the tape is received by remotely controlled clamping means. (3) holding the cutting tape adjacent its front end by means of a clamping means; and the step of (4) releasing the clamping means after contacting the cutting tape with the nip; nothing.

Brief description of the drawing Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. In the attached figure, 1 is a perspective view of a system according to the invention for winding a paper web onto a roll; FIG. This is a diagram showing a device that transfers the leading edge of a cutting tape to an empty reel. FIG. 2 is a partial perspective view showing the N1 embodiment in which adhesive is applied to the cutting tape; The third factor is a partial perspective view showing the second embodiment in which adhesive is applied to the cutting tape; FIG. 4 is a sectional view taken along line 4-4 in FIG. 1, and FIG. 5 is a plane view of the cutting tape of the present invention. 6 is a schematic diagram of a third embodiment of applying adhesive to the cutting tape, FIG. 7 is a plan view of the double-sided adhesive tape used in the present invention; Figure 8 is a side view of the tape in Figure 7; FIG. 9 is a schematic diagram of a fourth embodiment of applying adhesive to the cutting tape; Figure 10 is a cross-sectional view taken along the line U-O-Y-O in Figure 9, and Figure 11 is the tip of the cutting tape. FIG. 4 is a partial perspective view of an alternative clamping means for feeding the material into the nip;

Detailed Description and Best Mode of the Invention The general features of the invention will be explained with reference to FIG. This diagram shows a paper manufacturing plant. for storing manufactured paper or winding it onto rolls for use elsewhere The complete form of the equipment used is shown. The continuous paper web 20 winds the paper at a relatively high speed. Run towards the frame assembly. The paper web 20 is supported by a tension support 22. The paper web 20 is advanced onto a drive roll 21 which guides the paper web 20 onto a drive roll 23. The film is then wound around a winding frame 24 that rotates in the direction of arrow 25. Drive roll 23 is indicated by an arrow It rotates in 26 directions and is pressed against the paper roll on the winding frame 24, and the winding frame 24 is rotated in an arrow direction. Rotate in the direction marked 25. Reel 24 is wrapped with the desired amount of paper web 20 At the time, the paper web 20 is cut in the transverse direction, the cut edges are transferred to the empty winding frame 27, and the paper web 20 is cut in the transverse direction. Starting winding of the paper web on the frame and possibly other fillings such as the winding frame 24 It is possible to produce a reel frame with The empty reel 27 receives the paper web 20 and winds it up. Until it is ready to begin, it is placed vertically above the position shown in FIG. reel frame 27 can be separately rotated or not rotated as is known in the industry. However, as shown in FIG. 1, it is lowered until it contacts the drive roll 23, and then rotated together. Next, the cutting edges of the paper web 20 are connected to an empty winding frame 27 and a driving roll 23. is pushed into the nip 29 between the transfer of the paper web to the reel 27 is started.

The apparatus of the present invention feeds the cutting tape 30 to the opposite edge of the empty reel 27. The paper web 20 is cut by winding the paper web 20 in a spiral shape around the winding frame 27, and the cut edge is wrapped around the winding frame 27. 27 for winding. Preferably, the cutting tape 30 is The supply is held on a removable drum 31 in a housing 32, which 32 supports a cutting means 33, which cuts the supply stock on the drum 31 at the appropriate time. The cutting tape 30 is cut from the tape. Cut the paper web 20 in the horizontal direction and leave the cut edges empty. In order to wind the paper web 20 onto the winding frame 27, a cutting tape of a specific length longer than the width of the paper web 20 is cut. Since only the loop is required, the cutting tape 30 is cut at a suitable point and 7 is filled with paper web and needs to be replaced with another empty reel. It will be appreciated that tear tape is unnecessary. The cutting tape 30 includes a cutting means 33; Adhesive application means 39 (illustrated outside the housing for convenience of explanation, but (preferably located inside the housing so that it is obvious to the operator) and a guideway 34. passed through. This guide path 34 is driven by a drive means, for example a hand crank 35. the free end of the cutting tape 30 to the opposite end 36 of the guideway. The paper web 20 is guided under the web 20 completely across the width of the paper web 20. As shown in Figure 5. In addition, an adhesive strip 38 is applied to the front end 37 of the cutting tape 30. When the cutting tape 30 is introduced into the nip 29, it touches the surface of the empty winding frame 27. and glue. In a preferred embodiment, mechanical arm 40 is mounted on stand 41. #C, this arm 40 has a hand 42, and this hand cuts the cutting tape 30. is held, and the cutting tape 30 is held in the nip 29 and comes into contact with the surface of the empty winding frame 27. This hand 42 is extended as necessary until the hand is reached. Next, cut the cutting tape 30. Frictional resistance is applied to tape 30 near proximal end 44 . For example tape When the tape 30 is removed from the guide path 34, frictional resistance occurs, causing the tape 30 to be pulled out of the empty winding frame 27. The paper web 20 is cut while being spirally wound around the longitudinal force, and the paper web 20 is passed to the empty winding frame 2. Transfer on 7. This apparatus and method is disclosed in co-pending application US Pat. No. 0,710,087. It is described in No. 874.

FIG. 2 is a schematic illustration of a first embodiment of the adhesive application device 39 of FIG. cutting table The guide channel 4 between the cutter 33 and the proximal end 44 of the main guideway 34 It can be placed anywhere within 3. The opening 45 in the channel 43 is the cutting tape 3 The central part of the bottom surface of 0 is exposed. The outer surface of the roller 46 is disposed within the opening 45. at the same time its outer surface is immersed in a pool of adhesive liquid 47 in tank 48. It can be freely rotated so that it can be rotated. The opening 4 is located above the cutting tape 30. A pressure roller 49 is mounted on the arm 50 in vertical alignment with the arm 50. The pump can be selectively moved from the upper retracted position 51 (dashed line) to the lower pressurized position shown by the solid line. Can be done. At this pressure position, the cutting tape 30 is pressed downward and the roller 46 and apply adhesive to the underside of cutting tape 30 over a selected length and width. , preferably in the form of an adhesive strip as shown in FIG. Striptease Since the tape 38 is spaced inward from the side edge of the cutting tape 30, it will be explained in detail below. As will be seen, the adhesive does not come into contact with the guide path through which the cutting tape passes. Figure 3: Smell A second embodiment of the adhesive applicator is shown below. The cutting tape 30 is connected to the guide channel 52 This channel has an opening 53 on the lower side and the lower side of the cutting tape 30. The surface is exposed to the spray nozzles 54, and these nozzles cut the adhesive 55. Spray the bottom surface of the pipe 30. In a variant of this system, the cutter 33 3, and when the leading portion of the cutting tape 30 is cut, the adhesive 5 5 is applied to form an adhesive strip immediately behind the cut point, and the cutting tape 3 0 forming the leading end portion 37 (FIG. 1) of the strip, the trailing portion of which forms the paper web 3. It is used for cutting 0 and winding on the empty winding frame 37. Another variation is cutting tape 30 After cutting, it is advanced to the spray 55 position, and then advanced into the main guide path 34. It's on sale.

In FIG. 4, the cutting tape 30 shown in FIGS. 2, 3, and 6 is attached to the lower side. 3 shows a preferred design of a guideway 34 for use with an adhesive depositor for depositing adhesive. . The purpose of applying the adhesive to the lower surface of the cutting tape 30 is to use a telescoping telescopic hand. Adhesion of the cutting tape 30 when using a mechanical arm 40 of a particular design with 42 Submit it to the hand 42 with the adhesive side facing the hand 42, and the adhesive side facing upward. This is because it is easy to feed the paper into the nip 29 and bring it into contact with the empty winding frame 27. proposal Move the hand 42 differently in the inner channel 34 with the adhesive side facing up. It is also possible to use other types of mechanical arms. Further during the papermaking process What is important is that the operator of the machine determines the arrangement of the housing 32 of the cutting tape 30 and the reel 31. The near side where the roll is placed, and the far side is equipped with a belt and pulley that drives the roll. It is a matter of Supply the cutting tape 30 to the reel 31 from the near side, and also fill the adhesive container 4 with the cutting tape 30. Operations such as adding adhesive to 8 increase the efficiency of the apparatus and method of the present invention. Moreover, the safety of use can be improved. The guide path 34 is cut with cutting tape 30. It has an internal channel 56 of rectangular cross-section designed for longitudinal force sliding.

An elongated slot 57 extends parallel to the channel 55 and connects the channel 55 to the outside. Connect with your mind. The cutting tape 30 is captured in the nip 29 and placed on the empty reel 27. As it begins to be wound, the cut tape 30 passes through the slot 57 and out of the channel 56. The cutting tape 30 is pulled laterally around the web 27 around the reel 27. Cutting 0 and winding the cut edge onto the winding frame 27 creates the necessary frictional resistance to start winding. . In the present invention, when adhesive 38 is applied to the bottom surface of cutting tape 30, this adhesive It is necessary to provide an undercut recess 58 having the same width as the adhesive. Cut in this way The tape 30 is inserted into the channel 55 without adhering adhesive to a portion of the guideway 34. can be slid.

Still other features of the invention include elastic flaps held by spring clips 60. A cover 59 is provided.

This flap cover 59 protects the channel 56 from foreign objects and is curved upward. Therefore, the cutting tape 30 will not be printed on the cut paper web and will not interfere with the removal of the cutting tape 30. Also flap The cover 59 protects the cutting tape 30 from foreign matter and moisture when it passes through the guide path 34. protect against

FIG. 5 shows cutting tape 30 with adhesive strip 38 applied to front end portion 37. show. Since the side edges 61 of the cutting tape 30 are not covered with adhesive, As shown in FIG. 4, when the cutting tape 30 slides through the channel 56, this The cutting tape 30 can be supported.

A third embodiment of the means for applying adhesive to the cutting tape 30 is shown in FIGS. 6 to 8. Illustrated in The cutting tape 30 is supported within the channel 62 and is 62 has an opening 63 for exposing the lower side of the cutting tape 30. Push down roller 64 applies light downward pressure to cutting tape 30 above opening 63. Supplement A feed spindle 65 carries a roll of double-sided pressure sensitive tape 66, which is mutual release binder 67 and a short space 69 without adhesive. It consists of a plurality of separated adhesive layers 68. The tape 66 is transferred from the roll 65 to the The pressure roller 70 is rotatably mounted on the drum 71.

This arm 71 moves from a lower inoperative position 72 (dashed line) to an upper activated position (solid line). I can move. When the tape 66 passes between the roller 70 and the tape 30, the adhesive Section 68 is crimped onto tape 30 and release tape 67 is wound onto reel 73. It will be done.

When the adhesive portion 68 is applied to the tape 30, the arm 71 is moved to the inactive position 72. The roll 65 is then stopped until it is needed again. Roll 75 is attached to belt 74 Therefore, the reel 73 is shown as being driven. Separate the double-sided adhesive from each other It is also possible to simply provide a hole instead of a hole. In that case, the roller 70 Advancing the tape 30 after moving into position removes the adhesive from the deposited adhesive layer 68. Subsequent adhesive layer 68 is separated.

FIGS. 9 and 10 illustrate the use of double-sided adhesive tape 66 shown in FIGS. 7 and 8. Pressure is applied to the tape 30 above the surface adhesive tape 66 that applies adhesive to the tape 30. A pressure roller 75 is attached for this purpose. Release tape 67 is peeled off. After the adhesive is applied, an adhesive layer is left on a portion of the lower surface of the tape 30 as shown in FIG. , this cutting tape 30 is advanced to the nip 29 between rolls 23 and 27. , the paper web 20 is cut and the cut edges begin to be wound onto the roll 27 . In this embodiment Then, the double-sided adhesive tape 66 is inserted from the reel 65 into the recess 58 at the bottom of the guide path 43. The release tape 67 is then fed into the recess 58 and the top adhesive strip 68 (the first 7 and 8) and reaches the forward position 87. next Cutting tape 30 is in channel 56 and adhesive tape 66 in recess 58 and its front end is stopped at 87. handle there 80 forward to position 81, and in this case the pressure roller 75 is aligned with the width of the recess 58. press the tape 30 downward, and then move the handle 80 forward to the forward position 82. let This movement causes the rollers 78 to pivot within the rails 77 so that the rollers 75 forces the tape 30 into the recess 58 and the adhesive portion 6 of the adhesive tape 66 8 to adhere the adhesive tape 66 to the cutting tape 30. The roller 76 , when the cutting tape 30 comes into contact with the upper surface of the guide path 43 and adheres to the adhesive tape 66. Be careful not to apply more pressure to this cutting tape 30 than is necessary to Brake 75. The handle 80 is then returned to its initial position and released to its upright position. Then (solid line), the cutting tape 30 is inserted into the first flat not pushed into the recess 58. Return to flat state. When returning to the initial position, one of the supports 79 pushes the head 83 and makes contact. A hand that brings the point 88 into contact with the contact plate 85 and drives the reel 73 in the direction of the arrow 89. Power is applied to a stage (not shown). This causes the release tape 67 to The adhesive tape 66 is peeled off from the adhesive adhered to the adhesive tape 30, and at the same time the next adhesive layer of the adhesive tape 66 is peeled off. Portion 68 is advanced to forward position 87. Rotate the winding frames 65 and 73 at the same time. The means for this is illustrated as a V-belt 86 wrapped around a pulley 90. Same It is obvious that other drive means such as gears, chain-sprockets etc. can be used depending on the purpose. That's it. This ends the cycle and cuts tape 30 forward to nip 29. The paper web 20 is cut and begins to be wound onto the winding frame 27. In the meantime, the trial A new section of cutting tape 30 is fed to point 87 and applied with an adhesive strip. .

Several embodiments for applying adhesive strips onto cutting tape 30 are described. Ta. Other means can be used as well within the scope of the invention. Figure 2, The means illustrated in FIGS. 3, 6, 9 and 10 are preferred embodiments. However, other mechanical, manual and other means are also effective. Necessary for the present invention What is important is that the adhesive strip be removed before the cutting tape 30 reaches the proximal end 44 of the guideway 34. The lip is applied. This is the operator adjacent to the proximal end 44 of the guideway 44. is a safety measure to perform all operations without going to the distal end of guideway 34. Ru.

Another clamping means is illustrated in FIG. Opposite end 36 of guideway 34 (Fig. An angle support structure 155 extends outwardly from the end 36 of the has been done. Motor 156 and gear box 157 are mounted on shaft 159. Provides rotational driving force for the clamped cylindrical body 158. The cutting tape 30 is connected to the cylindrical body 158. , and a table 160 pivotally connected to the support structure 155 by a bin 162. is advanced until the front end 37 of the cutting tape 30 is extended from the table 160.

The cutting tape 30 is cut by pressing the table 160 onto the upper cylindrical body 158. The movement is stopped and a large loop 161 of cutting tape 30 is placed behind the cylinder 158. Let it form. Raising a head (not shown) connected to fluid actuated cylinder 164 The movement causes table 160 to pivot about bin 162. table 160 The cutting tape 30 is moved from its normal position to the raised position shown in FIG. is pressed against the cylindrical body 158 to stop the forward movement of the cutting tape 30. When the worker When trying to introduce the tip 37 of the tape into the nip 29, the cylinder 158 It is rotated in the direction of arrow 168 while contacting the play roller (not shown) of bull 160. The leading end 37 of the tape is moved forward. When the tip 37 contacts the nip 29, The cutting tape 30 is pulled laterally from the clamping means and spirals around the roll 27. Once wound into shape, the paper web 20 is cut and the cut edges begin to be wound onto the reel 27.

The present invention is not limited to the above description, but may be modified within the scope of the invention. Changes can be made at will.

FIG 6 international search report

Claims (1)

[Claims] 1. The cutting tape has elongated slots that open upwards below the paper web. running through a guideway and exiting from said guideway at the end of the paper web; Cutting tape is used to cut the running paper web wound onto the first reel frame configured as follows. A system that cuts the paper, attaches the cut edge to the empty reel, and transfers it onto the empty reel. , the cutting tape is coated on one side of the leading edge of the cutting tape before it enters the guideway. A system characterized in that it comprises an adhesive layer deposited without. 2. The adhesive is applied only to the central longitudinal part of the surface of the cutting tape, and 2. The system of claim 1, wherein no adhesive is applied to the opposite edges. 3. The adhesive is applied to the side of the cutting tape opposite to the slot. The system according to claim 1. 4. Use the release binder double-sided adhesive to apply the adhesive onto the cutting tape. The system according to claim 1, characterized in that the system is used for: 5. The adhesive layer is an adhesive that is sprayed onto the cutting tape before it enters the guide path. The system according to claim 1, characterized in that: 6. The adhesive is in liquid form, and a roller is used to apply the liquid adhesive to the tape. 2. The system of claim 1, including a stage. 7. Place the adhesive-applied surface of the cutting tape on the opposite side of the groove. This guideway has an elongated recess on the opposite side of the slot, and this recess The longitudinal center part of the cutting tape is separated from the bottom of the guide path. 3. The system of claim 2, wherein the system supports both edges. 8. It further includes a remotely controlled mechanical arm that allows the cutting edge to pass through the guide path. Grasp the cutting tape behind the adhesive layer at its front edge and pull the cutting tape out as it exits. 8. A system according to claim 7, characterized in that the loop is advanced into contact with the empty reel. Mu. 9. A supply roll of double-sided pressure sensitive adhesive tape coated onto a release binder and a the supply roll for selectively dispensing predetermined lengths of adhesive tape from the supply roll; the spindle that attaches the tape and feeds the cutting tape parallel to the adhesive tape. guide channels to align the adhesive tape longitudinally on the underside of the cutting tape. the adhesive tape and the cutting tape are pressed together. means to transfer the tape to the cutting tape and to peel the release binder from the adhesive tape. and leaving the adhesive layer as a coating on the cutting tape. The system according to item 7. 10. To stop the movement of the cutting tape after the leading edge of the cutting tape leaves the guide path. Hold the front end of the cutting tape removably and selectively release the cutting tape to empty it. The cutting tape is placed in the nip between the reel and the cooperating roller that drives this empty reel. 2. A system according to claim 1, further comprising clamping means for advancing the front end of the pipe. Mu. 11. The clamping means includes a movable support pad, a rotatable drive roller, and a cutting tool. means for removably pressing the pad against the roller so as to sandwich the pad; 11. The system of claim 10, comprising: 12. A movable jaw and a pivotable clamp that cooperate to support the cutting tape 2. The system of claim 1, further comprising a member. 13. Cuts the running paper web that is wound on the reel, and empties the paper web after cutting. It is placed below the paper web and runs laterally across the paper web for transfer to the reel. feeding the cutting tape into the extending elongated guideway and from the opposite end of the guideway; The step of taking out the cutting tape and the step between the empty reel and the drive roller of this reel. Cutting tape is introduced into the nip and automatically wraps in a spiral around the empty reel. and cutting the paper web. (1) There is no coating on the front end of the cutting tape before sending it into the guide path. (2) After receiving the cutting tape coming out from the guide path, the adhesive is applied. feeding the leading edge of the cutting tape into the nip so that a portion contacts the empty reel; A method characterized by comprising: 14. While the cutting tape is in contact with the pressure sensitive adhesive applied over the release binder. The adhesive can be applied to the cutting tape by peeling off the release binder. 14. The method of claim 13, characterized in that: 15. Apply adhesive to the cutting tape by spraying the adhesive onto the cutting tape. 14. The method according to claim 13, characterized in that the method comprises: 16. contact with an applicator roller that receives adhesive coating from a liquid adhesive supply means; Adhesive can be applied to the cutting tape by feeding the cutting tape while 14. The method according to claim 13, characterized in that: 17. The guideway consists of an elongated guideway having substantially the width of the cutting tape; The guide path is an elongated strip provided at the top of the guide path to pull out the cutting tape laterally. from a groove hole and a guideway located below said guideway and centered with respect to the guideway. and a narrow elongated lower recess, said recess being wider than the width of the adhesive part on the cutting tape. 14. A method according to claim 13, characterized in that it has a wide width. 18. As the cutting tape exits the guideway, it is cut by a remotely controlled mechanical arm. holding the cutting tape and attaching the adhesive coated end portion of the cutting tape to the 14. The method of claim 13, further comprising the step of: Method. 19. The stage of holding the cutting tape as it exits the guide path and the step of holding the cutting tape as it exits the guide path; selectively feeding an adhesive coated end portion of the nip into the nip. 14. The method of claim 13, characterized in that: 20. The selective feeding described above occurs automatically when the empty reel is lowered onto its drive roller. 20. The method according to claim 19, characterized in that it is carried out.