Precise wrapping device and method for cable wrapping tape

Abstract

The invention relates to the technical field of precise cable wrapping tape wrapping, in particular to a precise cable wrapping tape wrapping device and method.The precise cable wrapping tape wrapping device comprises a rotating ring, a supporting seat, an adjusting seat, a bottom plate, two wrapping tape assemblies, a driven gear ring, a rotating groove, a rotating motor, a driving gear, four double-thread rods, an upper arc-shaped seat, a lower arc-shaped seat, a mounting box, a main gear and an adjusting motor; the main gear is driven by the adjusting motor, then the four auxiliary gears and the four double-threaded rods are driven to rotate synchronously, the upper arc-shaped base and the lower arc-shaped base are adjusted in a lifting mode, and therefore the upper arc-shaped base and the lower arc-shaped base symmetrically abut against the upper side and the lower side of the cable, and the device can adapt to cables of different diameters through the design. And the rotating shaft does not need to be replaced or other complicated adjustments do not need to be carried out, so that the device has wide applicability and flexibility and can meet the wrapping requirements of cables of different specifications.

Description

Technical Field

[0001] The present invention relates to the technical field of precise winding of cable tapes, and particularly to a precise winding device and method for cable tapes. Background Art

[0002] Precise winding of cable tapes refers to a high-precision and high-quality winding process for the inner core of a cable. During the cable manufacturing process, winding is a crucial step, which involves tightly wrapping one or more layers of materials around the cable to provide additional protection, insulation, or shielding functions.

[0003] The prior art patent CN211294751U discloses a cable winding device, including a bottom plate and a motor. A fixed box is fixedly connected to the upper side of the bottom plate, and the motor is fixedly connected to the upper end of the fixed box. The output end of the motor is fixedly connected to a first pulley, the first pulley is rotationally connected to a belt, and the lower side of the belt is rotationally connected to a second pulley. An internal tooth rack is provided to realize the rotation of multiple winding wire groups, improve the winding efficiency, and make the winding more uniform. A screw head and a limiting plate are provided to fix the winding wire groups and prevent the winding wire groups from slipping, which may affect the winding quality. A fitting plate is provided to press the cable and the winding wire under the action of spring force to avoid cracking. This prior art has a simple structure, performs fork winding on the cable, speeds up the winding efficiency, fixes the winding wire to avoid uneven winding quality caused by slipping, and simultaneously presses the cable and the winding to ensure the tightness of the winding, and has utilizable value in the technical field of cable processing equipment.

[0004] However, in the aforementioned prior art, since the central diameter size of the rotating shaft cannot be adjusted, the device cannot perform winding operations on cables larger than this diameter. Summary of the Invention

[0005] The purpose of the present invention is to provide a precise winding device and method for cable tapes, so as to solve the technical problem in the prior art that since the central diameter size of the rotating shaft cannot be adjusted, the device cannot perform winding operations on cables larger than this diameter.

[0006] To achieve the above object, the present invention provides a precise winding device for cable wrapping tapes, which includes a rotating ring, a supporting seat, an adjusting seat and a bottom plate. Two wrapping tape assemblies are symmetrically arranged on the front end face of the rotating ring. A driven gear ring is arranged on the rear end face of the rotating ring. A rotating groove is formed in the supporting seat. A rotating motor is arranged at one end of the adjusting seat. A driving gear is arranged at the output end of the rotating motor. Four double threaded rods are rotatably arranged in the adjusting seat through bearings. An upper arc-shaped seat and a lower arc-shaped seat are arranged on the four double threaded rods in a threaded manner. The upper arc-shaped seat and the lower arc-shaped seat are symmetrically arranged. A secondary gear is arranged above the double threaded rod. An installation box is arranged above the adjusting seat. A main gear is arranged in the installation box. The main gear is driven by an adjusting motor. The rotating ring is rotatably connected to the supporting seat and is located in the rotating groove. The supporting seat is arranged on the bottom plate. The adjusting seat is arranged at one end of the bottom plate away from the supporting seat. The main gear meshes with the corresponding secondary gear and is located between the four secondary gears. The driving gear meshes with the driven gear ring and is located above the driven gear ring.

[0007] Wherein, positioning sleeves are arranged on both sides of the upper arc-shaped seat and the lower arc-shaped seat. A plurality of positioning rods are also arranged in the adjusting seat. The plurality of positioning rods are respectively located between the corresponding two double threaded rods. The positioning sleeve is slidably connected to the corresponding positioning rod and is sleeved on the positioning rod.

[0008] Wherein, the center line of the rotating ring is on the same horizontal line as the center lines of the upper arc-shaped seat and the lower arc-shaped seat.

[0009] Wherein, a plurality of supporting rollers are rotatably arranged in the rotating groove, and the rotating ring abuts against the plurality of supporting rollers.

[0010] Wherein, two arc-shaped plates are arranged above the supporting seat, and the two arc-shaped plates respectively abut against the upper part of the rotating ring.

[0011] Wherein, the wrapping tape assembly includes a fixed sleeve, a wrapping tape cylinder and a connecting rod. A polygonal groove is formed in the wrapping tape cylinder. A polygonal sleeve is arranged on the connecting rod. A guide wheel is arranged at one end of the polygonal sleeve. The fixed sleeve is threadedly connected to the connecting rod and is sleeved on one end of the connecting rod, and also abuts against the wrapping tape cylinder. The wrapping tape cylinder is slidably connected to the polygonal sleeve and is sleeved on the outside of the polygonal cylinder. The connecting rod is fixedly connected to the rotating ring and is located on the front end face of the rotating ring.

[0012] The present invention also provides a precise winding method for cable wrapping tapes, which is applied to the above-mentioned precise winding device for cable wrapping tapes, and includes the following steps:

[0013] Place the cable at the central position of the rotating ring, and let one end of the cable pass through the adjusting seat for winding.

[0014] Based on the rotation motor driving the driving gear and transmitting power to the four driven gears, the four double threaded rods are driven to rotate synchronously, so as to drive the upper arc seat and the lower arc seat to move up and down, making the upper arc seat and the lower arc seat symmetrically abut against the upper and lower sides of the cable.

[0015] Lead the wrapping tape out from the wrapping tape reel through the guide wheel and evenly wind it on the cable along a specified path.

[0016] Based on the rotation motor driving the main gear, the driving gear drives the driven gear ring, so that the rotating ring rotates. As the cable is gradually unwound and wound, at this time, the wrapping tape is evenly wound on the cable until it is wound to the specified length.

[0017] A precision wrapping device and method for cable wrapping tape of the present invention includes a rotating ring, a lifting seat, an adjusting seat and a bottom plate. Two wrapping tape assemblies are symmetrically arranged on the front end face of the rotating ring, and a driven gear ring is arranged on the rear end face of the rotating ring. There is a rotating groove in the lifting seat. One end of the adjusting seat is provided with a rotation motor, and the output end of the rotation motor is provided with a driving gear. Four double threaded rods are rotatably arranged in the adjusting seat through bearings, and an upper arc seat and a lower arc seat are arranged on the four double threaded rods in a threaded manner, and the upper arc seat and the lower arc seat are symmetrically arranged. A driven gear is arranged above the double threaded rod, and an installation box is arranged above the adjusting seat. A main gear is arranged in the installation box. By designing the structures of the adjusting seat, the double threaded rod, the upper arc seat and the lower arc seat, flexible clamping of the cable is realized. During the operation process, according to the actual diameter of the cable, the main gear can be driven by the adjusting motor, and then the four driven gears and the four double threaded rods are driven to rotate synchronously, so that the upper arc seat and the lower arc seat are adjusted up and down, so as to symmetrically abut against the upper and lower sides of the cable. This design enables the device to adapt to cables of different diameters without replacing the rotating shaft or performing other complex adjustments. Therefore, the device has wide applicability and flexibility and can meet the wrapping requirements of cables of different specifications, effectively solving the technical problem that the device cannot perform wrapping operations on cables with a diameter larger than this diameter due to the inability to adjust the central diameter size of the rotating shaft. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0019] Figure 1It is the front view of the first embodiment of the present invention.

[0020] Figure 2 It is of the present invention Figure 1 The sectional view taken along line A-A in

[0021] Figure 3 It is of the present invention Figure 2 The sectional view taken along line B-B in

[0022] Figure 4 It is of the present invention Figure 2 The sectional view taken along line C-C in

[0023] Figure 5 It is of the present invention Figure 2 The sectional view taken along line D-D in

[0024] Figure 6 It is of the present invention Figure 5 The sectional view taken along line E-E in

[0025] Figure 7 It is the side view of the second embodiment of the present invention.

[0026] Figure 8 It is of the present invention Figure 7 The sectional view taken along line F-F in

[0027] Figure 9 It is of the present invention Figure 7 The sectional view taken along line G-G in

[0028] Figure 10 It is the three-dimensional perspective view of the third embodiment of the present invention.

[0029] Figure 11 It is the side view of the third embodiment of the present invention.

[0030] Figure 12 It is of the present invention Figure 11 The sectional view taken along line H-H in

[0031] Figure 13 It is the step flow chart of a precise winding method for a cable wrapping tape of the present invention.

[0032] 101 - Rotating Ring, 102 - Supporting Seat, 103 - Adjusting Seat, 104 - Base Plate, 105 - Wrapping Tape Assembly, 106 - Driven Gear Ring, 107 - Rotating Groove, 108 - Rotating Motor, 109 - Driving Gear, 110 - Double Threaded Rod, 111 - Upper Arc Seat, 112 - Lower Arc Seat, 113 - Sub - Gear, 114 - Installation Box, 115 - Main Gear, 116 - Adjusting Motor, 117 - Positioning Sleeve, 118 - Positioning Rod, 201 - Supporting Roller, 202 - Arc Plate, 203 - Fixed Sleeve, 204 - Wrapping Tape Drum, 205 - Connecting Rod, 206 - Polygonal Groove, 207 - Polygonal Sleeve, 208 - Guide Wheel, 301 - Pay - off Reel, 302 - Take - up Reel, 303 - Adjusting Screw, 304 - Support Frame, 305 - Fixed Hole, 306 - Threaded Sleeve, 307 - Limiting Rod, 308 - Supporting Wheel, 309 - Support Plate. Detailed Embodiment

[0033] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention.

[0034] First Embodiment:

[0035] Please refer to Figures 1 to 6 , where Figure 1 is the front view of the first embodiment of the present invention, Figure 2 is the sectional view taken along line A - A in Figure 1 of the present invention, Figure 3 is the sectional view taken along line B - B in Figure 2 of the present invention, Figure 4 is the sectional view taken along line C - C in Figure 2 of the present invention, Figure 5 is the sectional view taken along line D - D in Figure 2 of the present invention, Figure 6 is the sectional view taken along line E - E in Figure 5 of the present invention.

[0036] The present invention provides a precise winding device for cable wrapping tapes, including a rotating ring 101, a supporting seat 102, an adjusting seat 103 and a bottom plate 104. Two wrapping tape assemblies 105 are symmetrically arranged on the front end face of the rotating ring 101. A driven gear ring 106 is arranged on the rear end face of the rotating ring 101. A rotating groove 107 is formed inside the supporting seat 102. A rotating motor 108 is arranged at one end of the adjusting seat 103. A driving gear 109 is arranged at the output end of the rotating motor 108. Four double threaded rods 110 are rotatably arranged inside the adjusting seat 103 through bearings. An upper arc-shaped seat 111 and a lower arc-shaped seat 112 are arranged on the four double threaded rods 110 in a threaded manner. The upper arc-shaped seat 111 and the lower arc-shaped seat 112 are symmetrically arranged. A secondary gear 113 is arranged above the double threaded rod 110. An installation box 114 is arranged above the adjusting seat 103. A main gear 115 is arranged inside the installation box 114. The main gear 115 is driven by an adjusting motor 116. The rotating ring 101 is rotatably connected to the supporting seat 102 and is located inside the rotating groove 107. The supporting seat 102 is arranged on the bottom plate 104. The adjusting seat 103 is arranged at one end of the bottom plate 104 away from the supporting seat 102. The main gear 115 meshes with the corresponding secondary gear 113 and is located between the four secondary gears 113. The driving gear 109 meshes with the driven gear ring 106 and is located above the driven gear ring 106. By integrating the key components of the rotating ring 101, the supporting seat 102, the adjusting seat 103 and the bottom plate 104, efficient and precise wrapping of the cable is achieved. The two symmetrically arranged wrapping tape assemblies 105 provided at the front end of the rotating ring 101 ensure uniform supply of the wrapping tape. The driven gear ring 106 arranged at the rear end meshes with the driving gear 109 of the rotating motor 108, realizing stable rotation of the rotating ring 101. The design of the four double threaded rods 110 and the upper arc-shaped seat 111 and the lower arc-shaped seat 112 thereon inside the adjusting seat 103 enables the device to flexibly adapt to cables of different diameters, enhancing the versatility and practicality of the device. In addition, the meshing and driving mechanism of the main gear 115 and the secondary gear 113 ensures precise control and stable operation of the entire device.

[0037] Wherein, positioning sleeves 117 are provided on both sides of the upper arc-shaped seat 111 and the lower arc-shaped seat 112. A plurality of positioning rods 118 are further provided in the adjusting seat 103, and the plurality of positioning rods 118 are respectively located between two corresponding double threaded rods 110. The positioning sleeve 117 is slidably connected to the corresponding positioning rod 118 and sleeved on the positioning rod 118. The cooperation of the positioning sleeve 117 and the positioning rod 118 restricts the shaking of the upper arc-shaped seat 111 and the lower arc-shaped seat 112 in the vertical direction, ensuring that they can tightly and evenly clamp the cable. This design not only enhances the clamping force of the device, but also effectively reduces the error during the winding process and improves the winding quality.

[0038] Secondly, the center line of the rotating ring 101 is on the same horizontal line as the center lines of the upper arc-shaped seat 111 and the lower arc-shaped seat 112. By this alignment method, the problem of uneven winding caused by the offset of the center line is reduced, and the winding efficiency and product quality are improved.

[0039] When using a precision cable wrapping device of this embodiment, place the cable at the central position of the rotating ring 101, and let one end of the cable pass through the adjusting seat 103 for winding. Based on the rotation motor 108 driving the driving gear 109 and transmitting to four driven gears 113, four double threaded rods 110 are driven to rotate synchronously, realizing the lifting adjustment of the upper arc-shaped seat 111 and the lower arc-shaped seat 112, so that the upper arc-shaped seat 111 and the lower arc-shaped seat 112 symmetrically abut against the upper and lower sides of the cable. Export the wrapping tape from the wrapping tape assembly 105 and evenly wind it around the cable along the specified path. Based on the rotation motor 108 driving the main gear 115, the driving gear 109 drives the driven gear ring 106, making the rotating ring 101 rotate. As the cable is gradually unwound and wound, at this time the wrapping tape is evenly wound around the cable until it is wound to the specified length.

[0040] Second Embodiment:

[0041] Based on the first embodiment, please refer to Figures 7 to 9 , wherein Figure 7 is a side view of the second embodiment of the present invention, Figure 8 is of the present invention Figure 7 a cross-sectional view taken along line F-F in Figure 9 is of the present invention Figure 7 a cross-sectional view taken along line G-G in

[0042] The present invention provides a precise winding device for cable wrapping tapes. A plurality of supporting rollers 201 are rotatably arranged in the rotating groove 107, and the rotating ring 101 abuts against the plurality of supporting rollers 201. The rolling contact of the supporting rollers 201 replaces the sliding contact, reducing wear and energy consumption, and at the same time improving the rotation stability and accuracy of the rotating ring 101.

[0043] Wherein, two arc-shaped plates 202 are arranged above the supporting seat 102, and the two arc-shaped plates 202 respectively abut against the upper part of the rotating ring 101. The tight contact between the arc-shaped plates 202 and the rotating ring 101 limits the vertical shaking of the rotating ring 101, ensuring the accuracy and consistency of the wrapping operation.

[0044] Secondly, the wrapping tape assembly 105 includes a fixed sleeve 203, a wrapping tape cylinder 204 and a connecting rod 205. The wrapping tape cylinder 204 has a polygonal groove 206. A polygonal sleeve 207 is arranged on the connecting rod 205. One end of the polygonal sleeve 207 is provided with a guide wheel 208. The fixed sleeve 203 is threadedly connected to the connecting rod 205 and sleeved on one end of the connecting rod 205, and also abuts against the wrapping tape cylinder 204. The wrapping tape cylinder 204 is slidably connected to the polygonal sleeve 207 and sleeved on the outside of the polygonal cylinder. The connecting rod 205 is fixedly connected to the rotating ring 101 and is located on the front end face of the rotating ring 101. The cooperation between the polygonal groove 206 and the polygonal sleeve 207 ensures the stability and accuracy of the wrapping tape cylinder 204 during rotation, reducing the deviation and shaking of the wrapping tape. In addition, the threaded connection design of the fixed sleeve 203 and the connecting rod 205 makes the disassembly, installation and replacement of the wrapping tape assembly 105 more convenient and fast, improving the maintainability and flexibility of the device.

[0045] Third Embodiment:

[0046] Based on the second embodiment, please refer to Figures 10 to 12 , where Figure 10 is the three-dimensional stereogram of the third embodiment of the present invention, Figure 11 is the side view of the third embodiment of the present invention, Figure 12 is the Figure 11 cross-sectional view taken along line H-H of the present invention.

[0047] The present invention provides a precise winding device for cable tape, further comprising two adjusting components and a lifting component. An unwinding roller 301 is rotatably arranged on one of the adjusting components, and a winding roller 302 is rotatably arranged on the other adjusting component. The two adjusting components are respectively fixedly connected to the bottom plate 104 and symmetrically arranged at both ends of the bottom plate 104. The unwinding roller 301 is located at one end of the lifting seat 102 away from the adjusting seat 103, and the winding roller 302 is located at one end of the adjusting seat 103 away from the lifting seat 102. The lifting component is arranged at the other end of the adjusting seat 103 and is also located at the center of the upper arc seat 111 and the lower arc seat 112. By fixedly connecting the two adjusting components to the bottom plate 104 and symmetrically arranging them at both ends of the bottom plate 104, this design ensures the stability and balance of the unwinding roller 301 and the winding roller 302, which is beneficial to the smooth operation of the cable during the winding process.

[0048] Wherein, the adjusting component includes an adjusting screw 303 and a support frame 304. Both ends of the bottom plate 104 are provided with fixing holes 305, and threaded sleeves 306 are arranged in the fixing holes 305. Two limiting rods 307 are arranged below the support frame 304. The adjusting screw 303 is rotatably connected to the support frame 304 through a bearing and is located below the support frame 304 and also between the two limiting rods 307. The adjusting screw 303 is also in threaded connection with the threaded sleeve 306 and is located within the threaded sleeve 306. The two limiting rods 307 penetrate through the bottom plate 104. The unwinding roller 301 and the winding roller 302 are respectively arranged on the corresponding support frames 304. By threading the adjusting screw 303 with the threaded sleeve 306, the heights of the unwinding roller 301 and the winding roller 302 can be flexibly adjusted to adapt to different working requirements, improving the versatility and adaptability of the device.

[0049] Secondly, the lifting component includes a lifting wheel 308 and a support plate 309. The lifting wheel 308 is rotatably connected to the support plate 309 and is located on the support plate 309 and also at the center of the upper arc seat 111 and the lower arc seat 112. The support plate 309 is fixedly connected to the adjusting seat 103 and is located at the other end of the adjusting seat 103. By means of the lifting wheel 308, it is convenient to lift the wound cable and guide it to the winding roller 302 for winding.

[0050] Based on the third embodiment, please refer to Figure 13 , wherein Figure 13 is the step flowchart of a precise winding method for cable tape of the present invention.

[0051] The present invention also provides a precise winding method for cable wrapping tapes, which is applied to the above-mentioned precise cable wrapping tape winding device, and includes the following steps:

[0052] Place the cable at the central position of the rotating ring 101, and let one end of the cable pass through the adjusting seat 103 for winding.

[0053] Based on the driving of the rotating motor 108 to drive the driving gear 109 and transmit the power to the four driven gears 113, so as to drive the synchronous rotation of the four double threaded rods 110, realize the lifting adjustment of the upper arc seat 111 and the lower arc seat 112, and make the upper arc seat 111 and the lower arc seat 112 symmetrically abut against the upper and lower sides of the cable.

[0054] Lead the wrapping tape out from the wrapping tape cylinder 204 through the guide wheel 208 and evenly wind it on the cable along the specified path.

[0055] Based on the transmission of the rotating motor 108 to the main gear 115, the driving gear 109 drives the driven gear ring 106, so that the rotating ring 101 rotates. As the cable is gradually unwound and wound, at this time the wrapping tape is evenly wound on the cable until it is wound to the specified length.

[0056] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A cable tape precision wrapping device, characterized in that: It comprises a rotating ring, a supporting seat, an adjusting seat and a bottom plate, wherein two wrapping belt assemblies are symmetrically arranged on the front end surface of the rotating ring, a driven gear ring is arranged on the rear end surface of the rotating ring, a rotating groove is arranged in the supporting seat, a rotating motor is arranged at one end of the adjusting seat, a driving gear is arranged at the output end of the rotating motor, four double-threaded rods are rotatably arranged in the adjusting seat through bearings, and upper arc seats and lower arc seats are threadedly arranged on the four double-threaded rods, and the upper arc seats and the lower arc seats are symmetrically arranged, a sub-gear is arranged above the double-threaded rods, a mounting box is arranged above the adjusting seat, a main gear is arranged in the mounting box, and the main gear is driven by the adjusting motor, the rotating ring is rotatably connected with the supporting seat and is located in the rotating groove, the supporting seat is arranged on the bottom plate, the adjusting seat is arranged at one end of the bottom plate away from the supporting seat, the main gear is meshed with the corresponding sub-gear and is located between the four sub-gears, the driving gear is meshed with the driven gear ring and is located above the driven gear ring.

2. The cable tape precision wrapping device according to claim 1, characterized in that: Positioning sleeves are provided on both sides of the upper arc seat and the lower arc seat. A plurality of positioning rods are also provided in the adjustment seat, and the plurality of positioning rods are respectively located between the corresponding two double-threaded rods. The positioning sleeves are slidably connected to the corresponding positioning rods and are sleeved on the positioning rods.

3. The cable tape precision wrapping device according to claim 2, characterized in that: The center line of the rotating ring is maintained at the same horizontal line as the center lines of the upper arc seat and the lower arc seat.

4. The cable tape precision wrapping device according to claim 3, characterized in that: A plurality of lifting rollers are rotatably arranged in the rotating groove, and the rotating ring abuts against the plurality of lifting rollers.

5. The cable tape precision wrapping device according to claim 4, characterized in that: Two arc-shaped plates are arranged above the supporting seat, and the two arc-shaped plates respectively abut against the top of the rotating ring.

6. The cable tape precision wrapping device according to claim 5, characterized in that: The wrapping tape assembly includes a fixed sleeve, a wrapping tape drum and a connecting rod. The wrapping tape drum has a polygonal groove therein. The connecting rod is provided with a polygonal sleeve. A guide wheel is provided at one end of the polygonal sleeve. The fixed sleeve is threadedly connected to the connecting rod and is sleeved on one end of the connecting rod and also supports the wrapping tape drum. The wrapping tape drum is slidably connected to the polygonal sleeve and is sleeved on the outside of the polygonal cylinder. The connecting rod is fixedly connected to the rotating ring and is located on the front end face of the rotating ring.

7. A cable tape precision wrapping method, applied to the cable tape precision wrapping device as claimed in claim 6, characterized in that: The steps include: Placing the cable at the center of the rotating ring, and allowing one end of the cable to pass through the adjusting seat for winding; Based on the rotating motor driving the driving gear and transmitting the four auxiliary gears, the four double-threaded rods are driven to rotate synchronously to achieve the lifting and lowering adjustment of the upper arc seat and the lower arc seat, so that the upper arc seat and the lower arc seat are symmetrically against the upper and lower sides of the cable; Leading the wrapping tape out of the wrapping tape drum through the guide wheel and winding it evenly on the cable along a specified path; Based on the rotating motor driving the main gear, the driving gear drives the driven gear ring to rotate the rotating ring. As the cable is gradually unwound and reeled in, the wrapping tape is evenly wound around the cable until it is wrapped to a specified length.

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