Disclosure of utility model
The utility model aims to provide a wire coil rack and a stranding machine with the wire coil rack, and solves the problems that the stranding machine in the prior art can only meet the tension requirement in a certain range and cannot be compatible with the production requirements of wires and cables with various specifications.
The above object of the present utility model can be achieved by the following technical solutions:
The utility model provides a wire coil rack of a wire stranding machine, which comprises a rack body, a pay-off coil, a wire coil positioning piece, a wire coil locking piece, a hysteresis device and a belt wheel assembly, wherein the wire coil positioning piece is arranged on the rack body;
The wire coil locating piece and the wire coil locking piece are oppositely arranged on two opposite wall surfaces of the frame body, the wire coil is connected between the wire coil locating piece and the wire coil locking piece, and the wire coil locking piece can move along the axial direction of the wire coil relative to the frame body and axially limit the wire coil;
the hysteresis device is connected to the frame body through a mounting seat;
The belt wheel assembly comprises a first belt wheel, a second belt wheel, a synchronous belt and a tensioning mechanism, wherein the synchronous belt penetrates through the tensioning mechanism and is sleeved outside the first belt wheel and the second belt wheel, one of the first belt wheel and the second belt wheel is sleeved on the wire coil positioning piece and is arranged between the wire coil and the wall surface of the frame body, the other of the first belt wheel and the second belt wheel is sleeved on the output shaft of the hysteresis device, and the tensioning mechanism is connected with the frame body;
One of the first pulley and the second pulley has at least two pulley discs different in diameter, and the other of the first pulley and the second pulley has a width not smaller than the sum of the widths of the at least two pulley discs;
The timing belt is translatable integrally from one of the at least two pulley sheaves to the other of the at least two pulley sheaves in an axial direction of an output shaft of the hysteresis.
In a specific embodiment, the first pulley is connected to the wire coil positioning member, the second pulley is connected to the output shaft of the hysteresis device, the second pulley has a first pulley disc and a second pulley disc, the first pulley disc and the second pulley disc are sequentially arranged along the axial direction of the output shaft of the hysteresis device, and a gap greater than zero is formed between the first pulley disc and the second pulley disc.
In a specific embodiment, the first pulley disc and the second pulley disc are provided with baffles for preventing the synchronous belt from axially disengaging.
In a specific embodiment, the length of the tensioning part of the tensioning mechanism for tensioning the synchronous belt is not smaller than the sum of the widths of at least two pulley discs, and the length direction of the tensioning part is the same as the width direction of the synchronous belt.
In a specific embodiment, the wire coil rack of the wire stranding machine further comprises a bracket, and the bracket is arranged below the pay-off reel along the gravity direction and is connected to the rack body.
In a specific embodiment, the frame body is provided with a mounting plate, the mounting plate is connected to the frame body, and the mounting seat for mounting the hysteresis device is connected to the mounting plate.
In a specific embodiment, two opposite wall surfaces of the frame body are symmetrically provided with mounting holes, and the axial direction of the mounting holes is spatially perpendicular to the axial direction of the pay-off reel.
The utility model also provides a stranding machine which comprises at least one wire coil frame.
In a specific embodiment, the stranding machine further comprises a frame, an auxiliary support, a mounting plate, a stranding head, a main shaft and a driving device for driving the main shaft to rotate, wherein the main shaft is mounted on the frame through the auxiliary support, the mounting plate is sleeved on the main shaft and fixedly connected with the main shaft, at least one wire coil rack is mounted on the mounting plate, the axial direction of the wire paying-off plate on the wire coil rack is spatially perpendicular to the axial direction of the main shaft, and the stranding head is arranged on the frame along the axial direction of the main shaft.
In a specific embodiment, the wire stranding machine comprises a plurality of wire coil frames, and the wire coil frames are arranged at intervals along the circumferential direction of the mounting plate.
The utility model has the characteristics and advantages that:
According to the utility model, the synchronous belt is horizontally sleeved on the belt wheels with different diameter ratios, so that the belt wheel assembly has different transmission ratios, the tension range required by the production of finished cables with various specifications is covered, and the production of the finished cables with various specifications and large span tension is realized through one production line.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a wire coil rack provided by the utility model;
fig. 2 is a second perspective view of the wire coil rack provided by the utility model;
fig. 3 is a plan view of the wire coil rack provided by the utility model;
fig. 4 is a perspective view of a first pulley of the wire coil rack provided by the present utility model;
fig. 5 is a perspective view of a first pulley disc of the wire coil rack provided by the utility model;
fig. 6 is a perspective view of a second pulley disc of the wire coil rack provided by the present utility model;
Fig. 7 is a perspective view of a pay-off reel of the wire reel rack provided by the present utility model;
Fig. 8 is a layout diagram of a stranding machine production line provided by the utility model.
Reference numerals illustrate:
1. Wire coil rack 10, rack body 11, mounting plate 12, mounting hole 20, wire paying-off disc 30, wire coil positioning piece 40, wire coil locking piece 50, hysteresis device 60, belt wheel assembly 61, first belt wheel 62, second belt wheel 621, first belt wheel 622, second belt wheel 63, synchronous belt 64, tensioning mechanism 65, baffle 70, mounting seat 80, bracket;
2. Auxiliary support;
3. A mounting plate;
4. twisting heads;
5. a main shaft;
6. A driving device;
7. a pay-off rack;
8. a traction machine;
9. and (5) a wire collecting frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the present utility model provides a wire coil rack 1 of a wire twisting machine, which comprises a rack body 10, a wire paying-off reel 20, a wire coil positioning member 30, a wire coil locking member 40, a hysteresis device 50 and a belt wheel assembly 60, wherein the hysteresis device 50 is connected to the rack body 10 through a mounting seat 70.
As shown in fig. 3, the wire coil positioning member 30 and the wire coil locking member 40 are relatively disposed on two opposite wall surfaces of the frame body 10, a wire paying-off reel 20 is connected between the wire coil positioning member 30 and the wire coil locking member 40, and the wire coil locking member 40 can move along an axial direction of the wire paying-off reel 20 and axially limit the wire paying-off reel 20 relative to the frame body 10. Specifically, as shown in fig. 1, the pay-off reel 20 realizes the positioning of the pay-off reel on the frame 10 through the wire coil positioning piece 30, is axially limited by the wire coil locking piece 40 which is coaxially and oppositely arranged on the frame 10 with the wire coil positioning piece 30, realizes the assembly of the pay-off reel 20 and the frame 10, and ensures that the pay-off reel 20 receives smaller mechanical resistance after being clamped. As shown in fig. 7, the pay-off reel 20 has a full diameter D and an empty diameter D.
The pulley assembly 60 includes a first pulley 61, a second pulley 62, a timing belt 63, and a tensioning mechanism 64 for tensioning the timing belt 63, wherein the timing belt 63 passes through the tensioning mechanism 64 and is sleeved outside the first pulley 61 and the second pulley 62, one of the first pulley 61 and the second pulley 62 is sleeved on the wire reel positioning member 30 and is arranged between the pay-off reel 20 and the wall surface of the frame 10, that is, one of the first pulley 61 and the second pulley 62 and the pay-off reel 20 are sequentially sleeved on the wire reel positioning member 30, the other of the first pulley 61 and the second pulley 62 is sleeved on the output shaft of the hysteresis device 50, the tensioning mechanism 64 is connected with the frame 10, the tensioning mechanism 64 is arranged between the first pulley 61 and the second pulley 62 for realizing a better tensioning effect, the tensioning mechanism 64 and the wire reel positioning member 30 are arranged on the same wall surface of the frame 10, one of the first pulley 61 and the second pulley 62 has at least two pulleys with different diameters, the other of the first pulley 61 and the second pulley 62 is not separated from the other of the first pulley 61 and the second pulley 62 along the width of the other pulley 63, and the width of the other pulley 63 can not be translated along the direction of the axis of the at least one of the other pulley and the other pulley 63 is not separated from the other of the output shaft of the at least two pulleys. By defining the relationship between the pulley widths, the timing belt 63 can still be completely sleeved outside the first pulley 61 and the second pulley 62 without being separated from the axial direction in the process of translating the timing belt 63 to change the transmission ratio of the pulley assembly 60. In the present embodiment, in order to translate the timing belt 63 without disengaging the tensioning mechanism 64, the stable operation of the pulley assembly 60 is ensured, and the length of the tensioning portion of the tensioning mechanism 64 through which the timing belt 63 passes along the axial direction of the output shaft of the hysteresis device 50 is not smaller than the sum of the widths of at least two pulley plates, however, the tensioning mechanism 64 can also ensure the stable operation of the pulley assembly 60 by moving relative to the frame 10 along the axial direction of the output shaft of the hysteresis device 50, which is not limited in the present utility model.
Specifically, the first pulley 61 may have a plurality of pulley plates having different diameters, the second pulley 62 may have only one pulley plate, the width of the second pulley 62 (the width of only a single pulley plate on the second pulley 62) is not smaller than the sum of the widths of the plurality of pulley plates of the first pulley 61, the timing belt 63 may be entirely translatable in the axial direction of the output shaft of the hysteresis device 50 from one of the plurality of pulley plates of the first pulley 61 to any other one of the plurality of pulley plates, and the timing belt 63 is tensioned by the tensioning mechanism 64 to effect a change in the transmission ratio of the pulley assembly 60, or the second pulley 62 may have a plurality of pulley plates having different diameters, the first pulley 61 may have only one pulley plate, the width of the first pulley 61 (the width of only a single pulley plate on the first pulley 61) is not smaller than the sum of the widths of the plurality of pulley plates of the second pulley 62, and the timing belt 63 may be entirely translatable in the axial direction of the output shaft of the hysteresis device 50 from one of the plurality of pulley plates of the second pulley 62 to any other one of the plurality of pulley plates and the tensioning mechanism 64 to effect a change in the transmission ratio of the second pulley assembly 60. Wherein, in order to prevent the end face friction damage, the pulleys provided with a plurality of pulley sheaves in the first pulley 61 and the second pulley 62 have a clearance larger than zero between two adjacent pulley sheaves, preferably, the width of the pulley provided with only a single pulley sheave in the first pulley 61 and the second pulley 62 (the width of only a single pulley sheave) is equal to the sum of the widths of the plurality of pulley sheaves and the sum of the clearances between the adjacent two pulley sheaves. Of course, it is also possible that one of the first pulley 61 and the second pulley 62 has a plurality of pulley plates having different diameters, the other of the first pulley 61 and the second pulley 62 has a plurality of pulley plates having the same diameter, and the widths of the pulley plates having the plurality of pulley plates having different diameters and the widths of the pulley plates having the plurality of pulley plates having the same diameter are equal in one-to-one correspondence, and the gaps between the adjacent two pulley plates on the first pulley 61 and the gaps between the adjacent two pulley plates on the second pulley 62 are also equal in correspondence, along the width direction of the timing belt 63.
According to the wire coil frame 1 of the wire stranding machine, the synchronous belt 63 is horizontally sleeved on the belt pulleys with different diameter ratios, so that the belt pulley assembly 60 has different transmission ratios, the tension range required by production of finished cables with various specifications is covered, and further production of the finished cables with various specifications and large span tension is realized through one production line.
According to one embodiment of the present utility model, the frame 10 has a mounting plate 11, the mounting plate 11 is connected to the frame 10, and a mounting seat 70 for mounting the hysteresis device 50 is connected to the mounting plate 11. Specifically, as shown in fig. 1 and 3, a mounting plate 11 for mounting a mounting seat 70 of a hysteresis device 50 is connected between two wall surfaces of a wire coil positioning member 30 and a wire coil locking member 40 on a frame body 10, and an output shaft of the hysteresis device 50 is suspended near one side of the wall surface of the frame body 10 provided with the wire coil positioning member 30.
According to one embodiment of the present utility model, the wire coil rack 1 of the wire twisting machine further comprises a bracket 80, the bracket 80 is disposed below the pay-off reel 20 along the gravity direction, and the bracket 80 is connected to the rack body 10. Specifically, as shown in fig. 2 and 3, the wire coil rack 1 of the wire stranding machine further includes two brackets 80 disposed below the pay-off reel 20 along the gravity direction, the brackets 80 are connected between two opposite wall surfaces of the wire coil positioning member 30 and the wire coil locking member 40 disposed on the rack body 10, and a distance between the two brackets 80 is between an empty disc diameter and a full disc outer diameter of the pay-off reel 20, so as to support the pay-off reel 20 when the pay-off reel 20 accidentally falls off.
According to an embodiment of the present utility model, as shown in fig. 3, the first pulley 61 is connected to the wire coil positioning member 30, the second pulley 62 is connected to the output shaft of the hysteresis device 50, the second pulley 62 has a first pulley plate 621 and a second pulley plate 622, the first pulley plate 621 and the second pulley plate 622 are disposed in this order along the axial direction of the output shaft of the hysteresis device 50, and a gap greater than zero is provided between the first pulley plate 621 and the second pulley plate 622. By providing the gap between the first pulley disk 621 and the second pulley disk 622, the first pulley disk 621 and the second pulley disk 622 are prevented from being damaged by the end face friction. In the present embodiment, the pulley assembly 60 satisfies the need to change the transmission ratio by translating the timing belt 63 by two pulleys of different diameters that are sequentially disposed in the axial direction of the output shaft of the hysteresis device 50.
According to an embodiment of the present utility model, as shown in fig. 4 to 6, a shutter 65 for preventing the timing belt 63 from axially disengaging is provided on each of the first pulley 61, the first pulley plate 621, and the second pulley plate 622. Specifically, as shown in fig. 4 to 6, in order to prevent the synchronous belt 63 from axially moving and being axially separated, the first pulley 61, the first pulley disk 621 and the second pulley disk 622 are all provided with a baffle 65, wherein two ends of the first pulley 61 and the first pulley disk 621 are both provided with the baffle 65, and one end of the second pulley disk 622 far away from the first pulley disk 621 is provided with the baffle 65.
According to one embodiment of the present utility model, the tensioning mechanism 64 is configured to tension the timing belt 63 such that the length of the tensioning portion, which is the same as the belt width direction of the timing belt 63, is not less than the sum of the widths of at least two pulley plates. Specifically, as shown in fig. 1 and 3, the length of the tensioning portion of the tensioning mechanism 64 is not smaller than the sum of the widths of at least two pulley plates in the belt width direction of the timing belt 63, and in this embodiment, the length of the tensioning portion of the tensioning mechanism 64 is kept identical to the width of the first pulley 61.
According to one embodiment of the present utility model, the mounting holes 12 are symmetrically arranged on two opposite wall surfaces of the frame body 10, and the axial direction of the mounting holes 12 is spatially perpendicular to the axial direction of the pay-off reel 20. Specifically, as shown in fig. 1 and 2, mounting holes 12 are symmetrically formed in two opposite wall surfaces of the frame body 10, which are spatially perpendicular to the axial direction of the pay-off reel 20, and the wire coil frame 1 can be assembled to a wire twisting machine through the mounting holes 12.
The utility model also provides a stranding machine comprising at least one wire coil rack 1 as described above.
The wire stranding machine can achieve the technical effects achieved by the embodiment of the wire coil rack 1 by arranging the wire coil rack 1 as described above, and specifically, please refer to the detailed description of the embodiment, and the application is not repeated herein.
According to one embodiment of the present utility model, as shown in fig. 8, the wire twisting machine further includes a frame, an auxiliary support 2, a mounting plate 3, a twisting head 4, a main shaft 5, and a driving device 6 for driving the main shaft 5 to rotate, wherein the main shaft 5 is mounted on the frame through the auxiliary support 2, the mounting plate 3 is sleeved on the main shaft 5 and fixedly connected with the main shaft 5, at least one wire coil rack 1 is mounted on the mounting plate 3, an axial direction of a wire paying-off disc 20 on the wire coil rack 1 is spatially perpendicular to an axial direction of the main shaft 5, and the twisting head 4 is disposed on the frame along the axial direction of the main shaft 5. Wherein, be equipped with the installation axle that matches with the mounting hole 12 of drum frame 1 on the mounting plate 3, in this embodiment, drum frame 1 links to each other with the stranding machine through two mounting plates 3 that the spacer sleeve was established on main shaft 5.
According to an embodiment of the present utility model, as shown in fig. 8, the wire twisting machine includes a plurality of wire reels 1, the plurality of wire reels 1 being arranged at intervals in the circumferential direction of the mounting plate 3.
The use method of the stranding machine provided by the utility model comprises the following steps:
Step S1, sequentially installing a pay-off rack 7, a stranding machine, a traction machine 8 and a take-up rack 9 on a production line along the output direction of a finished cable;
Step S2, judging the transmission ratio of the belt wheel assembly 60 according to the tension requirement of the finished cable;
Step S3, loosening the tensioning mechanism 64, translating the synchronous belt 63 to a pulley disc covering the transmission ratio, and tensioning the tensioning mechanism 64.
Specifically, after starting up, the raw material wire is continuously output by the paying-off machine, the driving device 6 drives the main shaft 5 to rotate, and then drives the installation disc 3 and the wire coil frame 1 to rotate, the paying-off disc 20 continuously outputs stranded wires, the raw material wire and the stranded wires form a finished cable after being stranded at the stranding head 4, the finished cable reaches the take-up frame 9 under the traction of the traction machine 8, and the take-up frame 9 finishes the take-up of the finished cable.
The tension of the finished cable is formed by superposition of the winding tension of the winding device and the force of the hysteresis 50 acting against the winding device (under the condition of not considering friction resistance), the calculation formula is that F=M/L (M is the rated torque of the hysteresis 50, L is the full disc radius or the empty disc radius of the wire disc, namely D/2 or D/2), M, L is a fixed value, different tensions F are needed to be obtained, the tension is needed to be achieved through different transmission ratios, the tension F can be controlled between 22.5N and 45N on the assumption that the rated torque of the hysteresis 50 is 9N.m, the full disc outer diameter D=800 mm of the paying-off disc 20, and the empty disc diameter d=400 mm, further, the transmission ratio of the second pulley disc 622 and the first pulley 61 is 1:10, the transmission ratio of the first pulley 621 and the first pulley 61 is 1:5, the tension F range of the cable can meet 225N-450N or 112.5N-45N, and the transmission ratio can be selected according to the technological requirements of different finished cables.
The foregoing is merely a few embodiments of the present utility model and those skilled in the art may make various modifications or alterations to the embodiments of the present utility model in light of the disclosure herein without departing from the spirit and scope of the utility model.