Multi-head pay-off rack
By designing a multi-head wire releasing frame in cable production equipment, using a combination of a light rod and a connecting plate to achieve rapid disk change, and using the counterweight block and swing rod to achieve stable tensioning effect, the problems of low disk change efficiency and unstable tensioning effect in existing equipment are solved, and the stability and efficiency of wire releasing are improved.
Patent Information
- Application Number
- CN202420715189.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In existing cable production equipment, the disk replacement efficiency of the wire laying frame is low and the tensioning effect is unstable, which affects the stability of the wire laying.
A multi-head wire laying frame is designed, using a combination structure of a light rod and a connecting plate to achieve rapid disk change; at the same time, the structure of the counterweight block and the swing rod is used to achieve a stable tensioning effect by adjusting the position of the counterweight block.
It improves the efficiency of changing disks and the stability of the line release, avoids the problem of failure of the spring structure after long-term use, and ensures the stability of the tensioning effect and the stability of the line release.
Smart Images
Figure CN222821009U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cable production equipment, in particular to a multi-head pay-off rack. Background Art
[0002] In cable production, it is necessary to pay out thin wires such as cotton thread and conductor wire from the wire reel. Existing pay-off racks generally use passive pay-off to pay out the wires. During the pay-off process, the wires need to be tensioned to prevent the wires from becoming tangled. Currently, pay-off racks on the market generally have a tensioner corresponding to a wire reel. When the wire on the wire reel is finished, the old wire reel needs to be removed and replaced with a new one for pay-off. In addition, the tensioner generally uses a spring structure to tension the wire. However, when the spring structure tensioner is in tension, the spring will affect the elongation after long-term use and cannot be restored to the original compression. The fluctuation is relatively large, which affects the stability of pay-off and is also easy to reduce the tensioning effect. Utility Model Content
[0003] The utility model aims to provide a multi-head pay-off stand which can improve the reel changing efficiency and can play a role in stable pay-off.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a multi-head pay-off stand, comprising: a frame, a plurality of tensioners and connecting plates are arranged on the frame, each tensioner corresponds to a connecting plate on the left and right, two light rods are arranged on the connecting plate, and a quick connector is arranged on the light rod, the tensioner comprises: a base plate connected to the frame, a felt seat is arranged on the base plate, a screw rod is arranged on the felt seat, a movable seat is arranged on the screw rod, an adjusting nut is threadedly connected to the screw rod, a spring is arranged between the adjusting nut and the movable seat, two pieces of wool felt are arranged between the felt seat and the movable seat, a first guide wheel and a second guide wheel are rotatably arranged on the base plate, a swing rod is rotatably arranged on the base plate, a tensioning guide wheel is rotatably arranged on the swing rod, a counterweight block is slidably arranged on the swing rod, and the counterweight block and the tensioning guide wheel are located on the same side.
[0005] Furthermore, in the aforementioned multi-head pay-off stand, an upper buffer pad and a lower buffer pad are respectively provided on the bottom plates located on the upper and lower sides of the swing rod.
[0006] Furthermore, in the aforementioned multi-head pay-off stand, a displacement sensor is provided on the bottom plate close to the lower buffer pad.
[0007] Furthermore, in the aforementioned multi-head pay-off stand, a pin hole is provided on the bottom plate, a pin shaft is inserted into the pin hole, and the pin hole is located above the displacement sensor.
[0008] Furthermore, in the aforementioned multi-head pay-off stand, a porcelain eye seat is respectively provided on the left and right sides of the bottom plate, and porcelain eyes are provided in the porcelain eye seat.
[0009] Furthermore, the aforementioned multi-head pay-off stand, wherein a scale groove is provided on the front side wall of the rocker arm, a scale is clamped in the scale groove, a clamping slot is provided on the counterweight block, the counterweight block is slidably clamped on the rocker arm through the clamping slot, a first fixing bolt is threadedly connected on the upper side wall of the rocker arm, a slide groove is provided on the upper side wall of the rocker arm, and the first fixing bolt rests in the slide groove.
[0010] Furthermore, in the aforementioned multi-head pay-off stand, the connection structure between the swing arm and the base plate is as follows: a bearing sleeve is arranged on the base plate, a bearing is arranged at the front and rear ends of the sleeve hole of the bearing sleeve respectively, a bushing is arranged between the two bearings, the bushing rests on the inner rings of the two bearings, an outer retaining ring is respectively clamped at the upper and lower ends of the sleeve hole of the bearing seat, the two outer retaining rings rest on the outer rings of the two bearings respectively, a stepped shaft is passed between the bearing and the bushing, the large diameter end of the stepped shaft rests on the inner ring of the bearing located on the front side, and the small diameter end of the stepped shaft rests on the inner ring of the bearing located on the front side. After being inserted into the bearing and the bushing, it extends backward to the bearing located on the rear side. An inner retaining ring is clamped on the small diameter end of the step shaft, and the inner retaining ring abuts against the inner ring of the bearing located on the rear side. A flat shaft is arranged on the large diameter end of the step shaft. The width between the two milling planes of the flat shaft is smaller than the minimum width of the clamping groove of the counterweight block. A connecting shaft is arranged on the flat shaft, and a keyway is arranged on the connecting shaft. A hinge hole is opened on the rocker arm, and a keyway is arranged on the hinge hole. The connecting shaft is inserted into the hinge hole, and the two keyways are aligned. A connecting key is clamped between the two aligned keyways.
[0011] Furthermore, in the aforementioned multi-head pay-off stand, the connection structure between the bare rod and the connecting plate is as follows: an inclined plate is arranged at the end of the connecting plate, the inclined surface of the inclined plate is inclined from left to right and from bottom to top, a threaded hole perpendicular to the inclined surface is opened on the inclined surface of the inclined plate, a threaded section is arranged on the bare rod, the threaded section on the bare rod is threadedly connected with the threaded hole on the inclined surface, the bare rod is inclined upward, a tapered sleeve is mounted on the bare rod, the large diameter end of the tapered sleeve rests on the inclined surface of the inclined plate, a second fixing bolt is threadedly connected to the tapered sleeve, and the second fixing bolt rests on the bare rod.
[0012] Furthermore, the aforementioned multi-head pay-off rack, wherein four adjusting feet are arranged at the bottom of the frame, and the connection structure between the adjusting feet and the frame is as follows: a screw is arranged on the adjusting feet, and two locking nuts are threadedly connected to the screw, and a fixed angle plate is arranged at the bottom of the frame, and a through hole is opened on the fixed angle plate, and the screw passes through the through hole, and the two locking nuts are respectively screwed against the upper and lower side walls of the fixed angle plate.
[0013] The advantages of the utility model are that two bare rods are arranged on the connecting plate, so that two wire reels can be installed on one connecting plate. When the wire on one wire reel completes the wire paying-out work, the wire on the other wire reel is introduced into the tensioner for wire paying-out. When the other wire reel is paying-out, the wire reel that has completed the wire paying-out can be removed and replaced with a new wire reel. The replacement work can be completed without stopping the machine, thereby improving the efficiency of reel replacement and wire paying-out. The weight of the swing arm can be adjusted by using a counterweight block, so that it can be adjusted according to the tensioning force required for wire paying-out. Compared with using a spring for tensioning, adjusting the counterweight block is more intuitive and labor-saving. After the counterweight block cooperates with the swing arm, the corresponding counterweight weight can be maintained, which plays a stable tensioning role and ensures the stability of wire paying-out. Compared with arranging the counterweight block and the tensioning guide wheel on both sides, arranging the counterweight block and the tensioning guide wheel on the same side can shorten the length of the swing arm, simplify the structure, reduce space occupancy, and also make the process of adjusting the counterweight block more intuitive and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the multi-head pay-off stand described in the utility model.
[0015] Figure 2 yes Figure 1 Schematic diagram of the connection structure between the middle connecting plate and the polished rod.
[0016] Figure 3 yes Figure 1 Schematic diagram of the structure of the tensioner.
[0017] Figure 4 yes Figure 3 Schematic diagram of the connection structure between the wool felt and the felt seat.
[0018] Figure 5 yes Figure 3 Schematic diagram of the connection structure between the middle swing arm and the base plate. DETAILED DESCRIPTION
[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.
[0020] like Figure 1 to Figure 5As shown, the multi-head pay-off stand described in the utility model comprises: a frame 1, four adjusting feet 11 are arranged at the bottom of the frame 1, and the connection structure between the adjusting feet 11 and the frame 1 is: a screw 111 is arranged on the adjusting feet 11, and two locking nuts 112 are threadedly connected to the screw 111, and a fixed angle plate 12 is arranged at the bottom of the frame 1, and a through hole is opened on the fixed angle plate 12, and the screw 111 passes through the through hole, and the two locking nuts 112 are respectively screwed against the upper and lower side walls of the fixed angle plate 12, and the height of the frame 1 can be adjusted by adjusting the positions of the two locking nuts 112, and a plurality of tensioners 2 and connecting plates 3 are arranged on the frame 1, and each tensioner 2 corresponds to a connecting plate 3 on the left and right, and two light rods 31 are arranged on the connecting plate 3, and a quick connector 32 is arranged on the light rod 31, and the quick connector 32 is a prior art and will not be described here. The connection structure is as follows: an inclined plate 33 is arranged at the end of the connecting plate 3, and the inclined surface of the inclined plate 33 is inclined from left to right and from bottom to top. A threaded hole perpendicular to the inclined surface is opened on the inclined surface of the inclined plate 33, and a threaded section is arranged on the polished rod 31. The threaded section on the polished rod 31 is threadedly connected with the threaded hole on the inclined surface. The polished rod 31 is inclined upward, and a tapered sleeve 34 is sleeved on the polished rod 31. The large diameter end of the tapered sleeve 34 abuts against the inclined surface of the inclined plate 33. 4 is threadedly connected with a second fixing bolt 35, which abuts against the polished rod 31. When installing the wire reel, the wire reel is mounted on the polished rod 31. Since the polished rod 31 is tilted upward, the wire reel will automatically abut against the cone sleeve 34 under gravity, and there is no need to manually hold it. Then, the quick connector 32 is mounted and locked on the polished rod 31 and abuts against the wire reel. The quick connector 32 cooperates with the cone sleeve 34 to fix the wire reel on the polished rod 31.
[0021] The tensioner 2 includes: a bottom plate 21 connected to the frame 1, a porcelain eye seat 211 is respectively arranged on the left and right sides of the bottom plate 21, a porcelain eye 212 is arranged in the porcelain eye seat 211, the porcelain eye 212 can both guide the line and prevent the line from scratching the porcelain eye seat 211, a felt seat 22 is arranged on the bottom plate 21, a screw rod 221 is threadedly connected in the felt seat 22, a movable seat 222 is movably sleeved on the screw rod 221, an adjusting nut 223 is threadedly connected on the screw rod 221, a spring 224 is arranged between the adjusting nut 223 and the movable seat 222, two wool felts 225 are sleeved on the screw rod 221 between the felt seat 22 and the movable seat 222, and the spring 224 can be adjusted by screwing the adjusting nut 223. The top thrust of the seat 222 is used to increase the extrusion pressure between the two wool felts 225. A first guide wheel 23 and a second guide wheel 24 are rotatably arranged on the bottom plate 21. A swing rod 25 is rotatably arranged on the bottom plate 21. The connection structure between the swing rod 25 and the bottom plate 21 is as follows: a bearing sleeve seat 213 is arranged on the bottom plate 21, and a bearing 2131 is respectively arranged at the front and rear ends of the sleeve hole of the bearing sleeve seat 213. A bushing 2132 is arranged between the two bearings 2131. The bushing 2132 abuts against the inner rings of the two bearings 2131. An outer retaining ring 2133 is respectively clamped at the upper and lower ends of the sleeve hole of the bearing seat 213. The two outer retaining rings 2133 respectively abut against the outer rings of the two bearings 2131. A bearing 2131 is inserted between the bearing 2131 and the bushing 2132. A stepped shaft 214 is provided, the large diameter end of the stepped shaft 214 abuts against the inner ring of the bearing 2131 located on the front side, the small diameter end of the stepped shaft 214 is inserted into the bearing 2131 and the bushing 2132 and then extends backward to the bearing 2131 located on the rear side, an inner retaining ring 2141 is clamped on the small diameter end of the stepped shaft 214, the inner retaining ring 2141 abuts against the inner ring of the bearing 2131 located on the rear side, the stepped shaft 214 is connected to the two bearings 2131 in the bearing sleeve 213, which can improve the connection stability between the stepped shaft 214 and the bearing sleeve 213, and can also improve the rotation flexibility of the stepped shaft 214, a flat shaft 2142 is provided on the large diameter end of the stepped shaft 214, a connecting shaft 2143 is provided on the flat shaft 2142, and a connecting shaft 2143 is provided on the connecting shaft 2 A keyway is provided on 143, a hinge hole 251 is opened on the swing rod 25, a keyway is provided on the hinge hole 251, the connecting shaft 2143 is inserted into the hinge hole 251 of the swing rod 25, the keyway on the connecting shaft 2143 is aligned with the keyway in the hinge hole 251, a connecting key is clamped between the two aligned keyways, the swing rod 25 can swing flexibly through the step shaft 214, a tensioning guide wheel 252 is rotatably provided on the swing rod 25, a counterweight block 253 is slidably provided on the swing rod 25, the counterweight block 253 and the tensioning guide wheel 252 are located on the same side, a first fixing bolt 2531 is threadedly connected on the upper side wall of the counterweight block 253, a slide groove 254 is provided on the upper side wall of the swing rod 25, and the first fixing bolt 2531 abuts against the slide groove 254,When the counterweight block 253 is sliding, the slide groove 254 guides the first fastening bolt 2531. A slot is provided on the counterweight block 253, and the counterweight block 253 is slidably clamped on the rocker 25 through the slot. The minimum width of the slot of the counterweight block 253 is greater than the width between the two milling planes of the flat shaft 2142. When the counterweight block 253 slides on the rocker 25, it will not interfere with the flat shaft 2142. A scale groove is provided on the front side wall of the rocker 25, and a scale 255 is clamped in the scale groove. An upper buffer pad 26 and a lower buffer pad 27 are respectively provided on the bottom plate 21 located on the upper and lower sides of the rocker 25. When the rocker 25 rotates excessively upward or downward, the upper buffer pad 26 and the lower buffer pad 27 can play a buffering role and a limiting role. A displacement sensor 28 is provided on the bottom plate 21 close to the lower buffer pad 27. When the rocker 25 rotates excessively downward, it indicates that the wire wound in the tensioner 2 has occurred. If the wire is broken, the swing rod 25 will rotate downward and abut against the lower buffer pad 27. The displacement sensor 28 can sense the swing rod 25 abutting against the lower buffer pad 27, which will sound an alarm. The staff can know that the wire is broken according to the alarm. A pin hole is provided on the bottom plate 21, and a pin shaft 29 is inserted in the pin hole. The pin hole is located above the displacement sensor 28. During the threading process, in order to prevent the swing rod 25 from rotating under gravity and being sensed by the displacement sensor 28 and causing an erroneous alarm, a pin shaft 29 needs to be inserted in the pin hole. The pin shaft 29 supports the swing rod 25 to prevent the swing rod 25 from rotating downward and being sensed by the displacement sensor 28. When the threading work is completed, the swing rod 25 will not rotate downward because the wire exerts an upward pulling force on the tension guide wheel 252. At this time, the pin shaft 29 is removed so that the tension guide wheel 252 is only subjected to the upward pulling force of the wire, and the removal of the pin shaft 29 will not affect the rotation of the swing rod 25.
[0022] The wire in the wire reel fixed on the light rod 31 passes through the porcelain eye 212 on the right side of the bottom plate 21 to the left and then extends into between the two wool felts 225. The adjusting nut 223 is screwed to adjust the squeezing force of the two wool felts 225 on the wire, so that the wool felts 225 can effectively wipe and clean the wire without over-pressing the wire. After the wire comes out of the two wool felts 225, it is first wound around the second guide wheel 24 close to the felt seat 22, and then wound from the second guide wheel 24 to the tensioning guide wheel 252, and then wound from the tensioning guide wheel 252 to the first On the guide wheel 23, it is finally pulled out from the first guide wheel 23 and extended through the porcelain eye 212 on the left side of the bottom plate 21. The position of the counterweight 253 is adjusted according to the tensioning force required by the line. The smaller the scale on the scale 255 corresponding to the counterweight 253 of the same weight (equivalent to the closer to the tensioning guide wheel 252), the more obvious the counterweight effect is. When the tensioning force required by the line is large, the counterweight is moved toward the small scale direction of the scale 255. When the tensioning force required by the line is small, the counterweight is moved toward the large scale direction of the scale 255.
[0023] The weight parameters (part) of the weight blocks 253 of different weights at the corresponding scales are as follows:
[0024]
[0025]
[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.
Claims
1. Multi-head pay-off stand, including: The frame is characterized in that: a plurality of tensioners and connecting plates are arranged on the frame, each tensioner corresponds to a connecting plate on the left and right, two light rods are arranged on the connecting plate, and a quick connector is arranged on the light rod, the tensioner comprises: a base plate connected to the frame, a felt seat is arranged on the base plate, a screw rod is arranged on the felt seat, a movable seat is arranged on the screw rod, an adjusting nut is threadedly connected to the screw rod, a spring is arranged between the adjusting nut and the movable seat, two pieces of wool felt are arranged between the felt seat and the movable seat, a first guide wheel and a second guide wheel are rotatably arranged on the base plate, a swing rod is rotatably arranged on the base plate, a tensioning guide wheel is rotatably arranged on the swing rod, a counterweight block is slidably arranged on the swing rod, and the counterweight block and the tensioning guide wheel are located on the same side.
2. The multi-head pay-off stand according to claim 1, characterized in that: An upper buffer pad and a lower buffer pad are respectively arranged on the bottom plates located at the upper and lower sides of the swing rod.
3. The multi-head pay-off stand according to claim 2, characterized in that: A displacement sensor is arranged on the bottom plate close to the lower buffer pad.
4. The multi-head pay-off stand according to claim 3, characterized in that: A pin hole is arranged on the bottom plate, a pin shaft is inserted into the pin hole, and the pin hole is located above the displacement sensor.
5. The multi-head pay-off stand according to claim 1, characterized in that: A porcelain eye seat is respectively arranged on the left and right sides of the bottom plate, and porcelain eyes are arranged in the porcelain eye seat.
6. The multi-head pay-off stand according to any one of claims 1 to 5, characterized in that: A scale groove is provided on the front side wall of the rocker arm, a scale is clamped in the scale groove, a clamping groove is provided on the counterweight block, the counterweight block is slidably clamped on the rocker arm through the clamping groove, a first fixing bolt is threadedly connected on the upper side wall of the rocker arm, a sliding groove is provided on the upper side wall of the rocker arm, and the first fixing bolt rests in the sliding groove.
7. The multi-head pay-off stand according to claim 6, characterized in that: The connection structure between the rocker arm and the base plate is as follows: a bearing sleeve is arranged on the base plate, a bearing is arranged at the front and rear ends of the sleeve hole of the bearing sleeve respectively, a bushing is arranged between the two bearings, the bushing rests on the inner rings of the two bearings, an outer retaining ring is clamped at the upper and lower ends of the sleeve hole of the bearing seat respectively, the two outer retaining rings rest on the outer rings of the two bearings respectively, a stepped shaft is passed between the bearing and the bushing, the large diameter end of the stepped shaft rests on the inner ring of the bearing located on the front side, and the small diameter end of the stepped shaft is clamped into the bearing and the bushing The shaft extends backward from the bearing located on the rear side, an inner retaining ring is clamped on the small diameter end of the step shaft, the inner retaining ring abuts against the inner ring of the bearing located on the rear side, a flat shaft is arranged on the large diameter end of the step shaft, the width between the two milling planes of the flat shaft is smaller than the minimum width of the slot of the counterweight block, a connecting shaft is arranged on the flat shaft, a keyway is arranged on the connecting shaft, a hinge hole is opened on the rocker arm, a keyway is arranged on the hinge hole, the connecting shaft is inserted into the hinge hole, the two keyways are aligned, and a connecting key is clamped between the two aligned keyways.
8. The multi-head pay-off stand according to claim 1, characterized in that: The connection structure between the polished rod and the connecting plate is as follows: an inclined plate is arranged at the end of the connecting plate, and the inclined surface of the inclined plate is inclined from left to right and from bottom to top. A threaded hole perpendicular to the inclined surface is opened on the inclined surface of the inclined plate. A threaded section is arranged on the polished rod, and the threaded section on the polished rod is threadedly connected with the threaded hole on the inclined surface. The polished rod is inclined upward, and a tapered sleeve is mounted on the polished rod. The large diameter end of the tapered sleeve rests on the inclined surface of the inclined plate. A second fixing bolt is threadedly connected to the tapered sleeve, and the second fixing bolt rests on the polished rod.
9. The multi-head pay-off stand according to claim 1, characterized in that: Four adjusting feet are arranged at the bottom of the frame, and the connection structure between the adjusting feet and the frame is as follows: a screw is arranged on the adjusting feet, and two locking nuts are threadedly connected to the screw; a fixed angle plate is arranged at the bottom of the frame, and a through hole is opened on the fixed angle plate, and the screw passes through the through hole, and the two locking nuts are respectively screwed against the upper and lower side walls of the fixed angle plate.