CN215600170U - Constant-tension wrapping tape wrapping device for cable - Google Patents
Constant-tension wrapping tape wrapping device for cable Download PDFInfo
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- CN215600170U CN215600170U CN202121886583.4U CN202121886583U CN215600170U CN 215600170 U CN215600170 U CN 215600170U CN 202121886583 U CN202121886583 U CN 202121886583U CN 215600170 U CN215600170 U CN 215600170U
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- guide rod
- tension
- fixed guide
- spring
- wrapping
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Abstract
The utility model relates to the field of wire and cable manufacturing, in particular to a constant-tension tape wrapping device for a cable, which comprises a tension wheel, a tension adjusting screw, a tension belt, a tape wrapping disc, a baffle, a rotating frame, a tape wrapping support shaft, a first fixed guide rod and a second fixed guide rod, wherein a third fixed guide rod, a swinging guide rod, a first spring and a second spring are additionally arranged; the third fixed guide rod is arranged beside the first fixed guide rod, the swing guide rod is arranged between the first fixed guide rod and the second fixed guide rod, the belting passes through the third fixed guide rod, the swing guide rod, the first fixed guide rod and the second fixed guide rod, and the belting is wound and connected in a snake shape; the top of the swing guide rod is connected with a pull rod, the other end of the connecting pull rod is hinged to the surface of the rotating frame, one end of a second spring is connected with the pull rod, and the other end of the second spring is connected with a tension adjusting screw; one end of the tension belt is connected with the pull rod, the other end of the tension belt is connected with the surface of the rotating frame, and the second spring and the tension belt are arranged on two sides of the pull rod. The transformation cost is low, and the wrapping tension can be kept basically stable.
Description
Technical Field
The utility model relates to the field of manufacturing of wires and cables, in particular to a wire and cable cabling and wrapping device.
Background
The electric wire and cable products are generally formed by twisting a plurality of insulated wire cores, and the twisted insulated wire and cable products become cable cores, the process is called cabling in the electric wire and cable manufacturing process, and in order to prevent the cable cores from being loose and damage when subsequently extruding and coating sheaths or producing shielding layers, one or more layers of wrapping belt materials with proper thickness need to be wrapped outside the cable cores. Common bag strap materials include polyethylene straps, polypropylene straps, non-woven straps, and the like.
At present, the cabling and wrapping device of a cable product mainly has two forms, one is a device shown in figure 1, and the wrapping device has the characteristics of simple structure and constantly changing tension in the wrapping process. In the figure, 1 is a tension pulley, 2 is a tension adjusting screw, 3 is a tension belt, 4 is a wrapping tape, 5 is a wrapping tape reel (tape reel formed by wrapping the wrapping tape), 6 is a baffle, 7 is a rotating frame, 8 is a wrapping tape supporting shaft, and 9 is a guide rod (the wrapping tape is guided by the guide rod). In the figure, M is a counter torque generated by a frictional force between the tension pulley and the tension belt, and when the frictional force is large, the value of M increases. The friction force is adjusted by the adjusting screw, when the position of the adjusting screw is fixed, the friction force between the tension pulley and the tension belt is not changed, and the value of M is fixed. F is the wrap tape tension and R is the wrap tape reel radius. As can be seen from the figure, M = F.R. Along with the reduction of band, band dish radius R reduces thereupon, and F will constantly increase, when F value increases to a certain value, will stretch out the band or stretch out deformation with the cable core, strains the cable core even. Therefore, in order to prevent the wrapping tape from being pulled apart or prevent the cable core from being pulled, the production process needs to be stopped continuously to adjust the tension adjusting screw, and the production efficiency is seriously influenced. The device is relatively easy to tape a larger cable core or a harder cable core, but the phenomenon that the tape is uneven or the cable core is pulled to deform or even hurts the cable core is frequently caused for a soft cable with a small diameter. The device is simple in processing and low in cost, so that the device is applied more frequently.
The other type is a constant-tension wrapping device driven by a motor, and the device is complex in structure and high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a constant-tension wrapping device for cable wrapping belts, which is relatively simple in structure, so that the wrapping quality of the cable wrapping belts of wires is improved at lower cost, and broken belts or tightened cable cores are reduced.
The technical scheme of the utility model is as follows: a constant-tension wrapping device for cables comprises a tension wheel, a tension adjusting screw, a tension belt, a wrapping belt disc, a baffle, a rotating frame, a wrapping belt supporting shaft, a first fixed guide rod and a second fixed guide rod, wherein a third fixed guide rod, a swinging guide rod, a first spring and a second spring are additionally arranged; the third fixed guide rod and the swing guide rod are connected to the rotating frame, the third fixed guide rod is arranged beside the first fixed guide rod, the swing guide rod is arranged between the first fixed guide rod and the second fixed guide rod, the wrapping tape passes through the third fixed guide rod, sequentially passes through the swing guide rod and the first fixed guide rod for reversing, then passes through the second fixed guide rod, and the wrapping tape is arranged in a snake shape in a wrapping connection state; the swing guide rod is connected with a pull rod at a vertical angle, the other end of the pull rod is hinged to the surface of the rotating frame, one end of a second spring is connected with the pull rod, and the other end of the second spring is connected with a tension adjusting screw; the tension belt is wound on the tension wheel, one end of the tension belt is connected to the pull rod, the other end of the tension belt is connected to the surface of the rotating frame, and the pull rod is pulled by the second spring and one end of the tension belt.
Preferably, the swing guide rod is connected with the surface of the rotating frame through a hinge, and the swing of the swing guide rod is realized through the hinge.
Furthermore, one end of the tension belt is connected with the pull rod, the other end of the tension belt is connected with the first spring, and the other end of the first spring is fixed on the surface of the rotating frame.
The utility model has the beneficial effects that: the improved device can keep the wrapping tension basically stable after being improved on the original machine. The required components are mature parts or are easy to process, and the modification cost is low. Compared with a constant-tension wrapping machine driven by a motor, the device is lower in overall manufacturing cost and operation cost.
Drawings
FIG. 1 is a schematic cross-sectional view of a prior art cable taping wrapping apparatus in comparison to a view from the axial direction of a tension pulley;
FIG. 2 is a schematic cross-sectional view of the device of the present invention in comparison to an axial view from the tension pulley;
1-tension pulley, 2-tension adjusting screw, 3-tension belt, 4-wrapping belt, 5-wrapping belt disc, 6-baffle, 7-rotating frame, 8-wrapping belt supporting shaft, 9-third fixed guide rod, 10-first fixed guide rod, 11-second fixed guide rod, 12-swinging guide rod, 13-first spring, 14-second spring, 15-pull rod and 16-hinge.
Detailed Description
The utility model is improved on the basis of the lapping device shown in figure 1, and the improved device can keep the lapping tension basically stable. As shown in FIG. 2, 1 is a tension pulley, 2 is an adjusting screw, 3 is a tension belt, 4 is a wrapping tape, 5 is a wrapping tape reel (tape reel formed by wrapping the wrapping tape), 6 is a baffle, 7 is a rotating frame, 8 is a wrapping tape supporting shaft, 9, 10 and 11 are a third fixed guide rod, a first fixed guide rod and a second fixed guide rod, 12 is a swinging guide rod, 13 is a first spring, 14 is a second spring and 15 is a pull rod. Compared with the figure 1, the utility model adds a swing guide rod 12, a first spring 13, a second spring 14 and a third fixed guide rod 9, and the structures of the fixed point of the tension belt, the relative position of the guide rods and the like are also changed compared with the figure 1.
The utility model relates to a constant-tension wrapping tape wrapping device for cables, wherein a third fixed guide rod 9 and a swinging guide rod 12 are connected to a rotating frame 7, the third fixed guide rod 9 is arranged beside a first fixed guide rod 10, the swinging guide rod 12 is arranged between the first fixed guide rod 10 and a second fixed guide rod 11, a wrapping tape 4 firstly passes through the third fixed guide rod 9, sequentially passes through the swinging guide rod 12 and the first fixed guide rod 10 for reversing, and then passes through the second fixed guide rod 11, and the wrapping tape 4 is in a snake shape (seen upwards according to the guide rod shafts) in a wrapping connection state along the third fixed guide rod 9, the swinging guide rod 12, the first fixed guide rod 10 and the second fixed guide rod 11 from the view point vertical to the surface of the rotating frame. The swing guide rod 12 is not connected with the surface of the rotating frame 7, or an arc groove is formed in the surface of the rotating frame 7, the swing guide rod 12 is limited in the arc groove, and the swing guide rod 12 can slide in the arc groove. The swing guide rod 12 is connected with a pull rod 15 at a vertical angle, the other end of the pull rod 15 is hinged to the surface of the rotating frame 7 through a hinge 16, and the pull rod 15 can swing within a certain radian range under the action of the hinge 16. One end of the second spring 14 is connected with the pull rod 15, the other end is connected with the tension adjusting screw 2, and the inner threaded hole mounting plate of the tension adjusting screw 2 is still fixed on the surface of the rotating frame 7. The tension belt 3 is still wound around the tension pulley 1, but the extending direction of the two ends of the tension belt 3 is changed to the right side compared with that of fig. 1, namely, the tension belt is turned to the side where the third fixed guide rod is located. The tension belt 3 is connected with the pull rod 15 at one end and connected with the surface of the rotating frame 7 at the other end, the pull rod 15 is pulled by the second spring 14 and the pull force of one end of the tension belt 3 are in a mutually pulling state (two forces are perpendicular to the pull rod and are in a mutually weakened state, or the decomposition forces of the two forces perpendicular to the pull rod are in a mutually weakened state, which can be opposite forces at 180 degrees, or can be different from 180 degrees, but the two forces are ensured to be in a mutually weakened state).
In order to better buffer the tension variation, one end of the tension belt 3 may be further connected to the pull rod 15, the other end of the tension belt may be connected to the first spring 13, and the other end of the first spring 13 is fixed on the surface of the rotating frame 7.
The working principle of the utility model is as follows: the initial tension of the wrapping tape 4 is adjusted by the tension adjusting screw 2. With the decrease of the use of the wrapping tape 4, the wrapping tape tension F can increase, when the wrapping tape tension increases, the pull rod 15 can be pulled, the swing guide rod 12 is forced to move leftwards, the friction force between the tension belt 3 and the tension wheel 1 is reduced, the moment M is reduced, and according to M = F.R, the wrapping tape tension F is reduced, so that the purpose of self-adjusting the tension is achieved. The effect of two springs is for buffering tensile sudden change, makes around package tension more steady.
Claims (3)
1. The utility model provides a cable constant tension band is around package device, contains tension pulley (1), tension adjusting screw (2), tension belt (3), band dish (5), baffle (6), swivel mount (7), band back shaft (8), first fixed guide arm (10), the fixed guide arm of second (11), characterized by: a third fixed guide rod (9), a swing guide rod (12), a first spring (13) and a second spring (14) are additionally arranged; a third fixed guide rod (9) and a swing guide rod (12) are connected to the rotating frame (7), the third fixed guide rod (9) is arranged beside the first fixed guide rod (10), the swing guide rod (12) is arranged between the first fixed guide rod (10) and the second fixed guide rod (11), the wrapping tape (4) passes through the third fixed guide rod (9), sequentially passes through the swing guide rod (12) and the first fixed guide rod (10) for reversing, then passes through the second fixed guide rod (11), and the wrapping tape (4) is wound and connected in a snake-shaped arrangement manner; the swing guide rod (12) is connected with a pull rod (15) at a vertical angle, the other end of the pull rod (15) is hinged to the surface of the rotating frame (7), one end of a second spring (14) is connected with the pull rod (15), and the other end of the second spring is connected with a tension adjusting screw (2); tension belt (3) are wound on tension pulley (1), one end of tension belt (3) is connected with pull rod (15), the other end is connected with the surface of rotating frame (7), and the pulling force of second spring (14) received by pull rod (15) and the pulling force of one end of tension belt (3) are in a mutually pulling state.
2. The constant-tension tape wrapping device for cables as claimed in claim 1, wherein: the swing guide rod (12) is connected with the surface of the rotating frame (7) through a hinge (16), and the swing of the swing guide rod (12) is realized through the hinge (16).
3. The constant-tension tape wrapping device for cables as claimed in claim 1, wherein: one end of the tension belt (3) is connected with the pull rod (15), the other end of the tension belt is connected with the first spring (13), and the other end of the first spring (13) is fixed on the surface of the rotating frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886583.4U CN215600170U (en) | 2021-08-12 | 2021-08-12 | Constant-tension wrapping tape wrapping device for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886583.4U CN215600170U (en) | 2021-08-12 | 2021-08-12 | Constant-tension wrapping tape wrapping device for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215600170U true CN215600170U (en) | 2022-01-21 |
Family
ID=79881312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121886583.4U Active CN215600170U (en) | 2021-08-12 | 2021-08-12 | Constant-tension wrapping tape wrapping device for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215600170U (en) |
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2021
- 2021-08-12 CN CN202121886583.4U patent/CN215600170U/en active Active
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