CN210438202U - Tension mechanism of rectangular enameled wire - Google Patents
Tension mechanism of rectangular enameled wire Download PDFInfo
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- CN210438202U CN210438202U CN201921408745.6U CN201921408745U CN210438202U CN 210438202 U CN210438202 U CN 210438202U CN 201921408745 U CN201921408745 U CN 201921408745U CN 210438202 U CN210438202 U CN 210438202U
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Abstract
The utility model relates to the technical field of rectangular enameled wires, and provides a tension mechanism of a rectangular enameled wire, which comprises a first bracket provided with a wire barrel, and a rectangular enameled wire wound on the wire barrel; the brake block and the first wire drawing wheel are arranged on the lever; the end of the rectangular enameled wire is connected with the wire winding machine after bypassing the first wire winding wheel; the separation and the contact between the brake block and the wire barrel are controlled by the cooperation of the acting force of the rectangular enameled wire pair on the first wire reel and the first spring. Through setting up the brake equipment who comprises lever, brake block and first spring, after the pulling force of rectangle enameled wire pair first wire wheel is less than the pulling force of first spring to the lever, through brake block and line bucket contact, prevent the line bucket and continue to rotate to make rectangle enameled wire be in tension state all the time, solved the problem that line bucket leads to rectangle enameled wire lax because of inertia is rotatory always among the prior art.
Description
Technical Field
The utility model belongs to the technical field of rectangle enameled wire technique and specifically relates to a tension mechanism of rectangle enameled wire.
Background
The main variety of the winding wire in the enameled wire consists of a conductor and an insulating layer, and the bare wire is formed by annealing and softening, painting and baking for multiple times. The finished enameled wires are wound on a wire barrel so as to be convenient to transport and use. When the enameled wire is needed to be used, the wire barrel is rotatably installed on the support, the end of the enameled wire is connected with the wire winding inserter, the enameled wire is wound by the wire winding inserter, and the wire barrel is driven to rotate by the enameled wire.
The enamel wire can be roughly classified into a circular enamel wire and a rectangular enamel wire according to the shape of the cross section of the enamel wire. Because the rectangular enameled wire has directionality, when the rectangular enameled wire is paid off through a pay-off machine, the wire barrel needs to rotate synchronously along with the enameled wire. And because the offline machine is alternately started and stopped during paying off, the offline machine has the following problems during paying off: 1. when the lower winding machine stops paying off, the winding drum rotates all the time due to inertia, so that the rectangular enameled wire is loosened and glidingly hung on other parts, and the rectangular enameled wire is damaged by an enamel cover or clamped. 2. When the paying-off speed of the wire barrel is lower than that of the wire feeding machine, the phenomena of damage, wire clamping or insufficient paying-off length of the rectangular enameled wire can occur due to insufficient supply of the rectangular enameled wire.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tension mechanism of rectangle enameled wire is provided, prevent that the wire barrel from leading to the rectangle enameled wire to relax because of inertia is rotatory always.
The utility model provides a technical scheme that its technical problem adopted is: the tension mechanism of the rectangular enameled wire comprises a first bracket provided with a wire barrel and the rectangular enameled wire wound on the wire barrel; the brake block and the first wire drawing wheel are arranged on the lever; the end of the rectangular enameled wire is connected with the wire winding machine after bypassing the first wire winding wheel; the separation and the contact between the brake block and the wire barrel are controlled by the cooperation of the acting force of the rectangular enameled wire pair on the first wire reel and the first spring.
The wire inserting machine further comprises a second bracket arranged between the first bracket and the wire inserting machine, and at least one wire tensioning device arranged on the second bracket; the wire tensioning device comprises a second wire tensioning wheel arranged on the second support in a sliding mode and a second spring arranged between the second support and the second wire tensioning wheel; the end of the rectangular enameled wire is connected with the wire winding machine after sequentially bypassing the first wire winding wheel and the at least one second wire winding wheel; the sliding direction of each second wire wheel on the second support is controlled through the cooperation of the acting force of the rectangular enameled wire pair on the second wire wheels and the second spring.
Furthermore, three wire tensioning devices are arranged on the second support.
Furthermore, the second wire tensioning wheel is arranged on the second support in a vertically sliding mode.
Furthermore, the upper end of the lever is hinged to the first support, and the lower end of the lever is connected with the first support through the first spring.
Further, first wire wheel and second wire wheel all include the center pin, install two first baffles on the center pin, set up between two first baffles and rotate and install the pulley on the center pin, install between two first baffles, and be located two second baffles of pulley both sides.
The utility model has the advantages that: the utility model discloses tension mechanism of rectangle enameled wire, through setting up by the lever, the brake equipment that brake block and first spring constitute, after the unwrapping wire machine stops the unwrapping wire, the line bucket can still continue to rotate under inertial effect this moment, and then drive the pulling force of rectangle enameled wire pair first wire wheel and reduce gradually, be less than behind the pulling force of first spring to the lever when the pulling force of rectangle enameled wire pair first wire wheel, first spring shrink, make the lever rotate around its pin joint with first support, and then make brake block and line bucket contact, through the frictional force between brake block and the line bucket, prevent that the line bucket from continuing to rotate, make the rectangle enameled wire be in the tension state all the time, the problem of prior art line bucket because of inertia rotation always leads to the lax of rectangle enameled wire is solved. Through setting up a traditional thread binding putting, after the unwrapping wire stops the unwrapping wire, the accessible is opened a traditional thread binding putting and is stored one section rectangle enameled wire, when the unwrapping wire begins the unwrapping wire, can export the rectangle enameled wire supply very fast for the unwrapping wire through opening a traditional thread binding putting, avoids the rectangle enameled wire because supply is not enough and the rectangle enameled wire that leads to harm, card line or the phenomenon that the unwrapping wire length is not enough.
Drawings
Fig. 1 and 2 are schematic structural views of a tension mechanism of a rectangular enameled wire according to an embodiment of the present invention in different states;
fig. 3 is a cross-sectional view of the first wire reel and the second wire reel of the embodiment of the present invention.
The reference numbers in the figures are: the wire drawing machine comprises a wire barrel 1, a first support 2, a rectangular enameled wire 3, a lever 4, a first spring 5, a brake block 6, a first wire drawing wheel 7, a wire feeding machine 8, a second support 9, a second wire drawing wheel 10, a second spring 11, a central shaft 12, a first baffle 13, a pulley 14, a second baffle 15, a bearing 16 and a pulley groove 17.
Detailed Description
For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention. The present invention will be further explained with reference to the drawings and examples.
The tension mechanism of the rectangular enameled wire comprises a first bracket 2 provided with a wire barrel 1 and a rectangular enameled wire 3 wound on the wire barrel 1; the device also comprises a lever 4 hinged on the first bracket 2, a first spring 5 arranged between the lever 4 and the first bracket 2, a brake block 6 arranged on the lever 4 and a first wire wheel 7; the end of the rectangular enameled wire 3 is connected with a wire winding machine 8 after bypassing the first wire winding wheel 7; the separation and contact between the brake block 6 and the wire barrel 1 are controlled by the cooperation of the acting force of the rectangular enameled wire 3 on the first wire reel 7 and the first spring 5.
As shown in fig. 1 and 2, the first bracket 2 plays a supporting role, the wire barrel 1 is mounted on the first bracket 2, and the wire barrel 1 can rotate around the axis of the wire barrel 1; the wire barrel 1 is wound with rectangular enameled wires 3. The lever 4 is hinged on the first bracket 2, and the position of the lever 4 hinged with the first bracket 2 can be set according to actual conditions, and can be arranged in the middle of the lever 4 or at the end part of the lever 4; preferably, the upper end of the lever 4 is hinged to the first bracket 2, and the lower end of the lever 4 is connected with the first bracket 2 through a first spring 5. The brake block 6 is fixed on the lever 4, and the first wire wheel 7 is connected with the lever 4 through a connecting rod.
Wherein, the separation and contact between the brake block 6 and the wire barrel 1 are controlled by the cooperation of the acting force of the rectangular enameled wire 3 on the first wire reel 7 and the first spring 5, which means that: the brake block 6 and the wire barrel 1 have two states, namely a separation state and a contact state; when the brake block 6 and the wire barrel 1 are in a separated state, the wire barrel 1 can synchronously rotate along with the rectangular enameled wire 3, and then the rectangular enameled wire 3 is paid off through a wire feeding machine 8; when the brake block 6 is in a contact state with the thread barrel 1, the thread barrel 1 is prevented from rotating by the friction force between the brake block 6 and the thread barrel 1. The first spring 5 is an extension spring, the acting force of the extension spring on the lever 4 is pulling force, and the pulling force of the first spring 5 on the lever 4 is set to be F1Setting the pulling force of the rectangular enameled wire 3 to the first wire wheel 7 as F2(ii) a When F is present1>F2Then, the first spring 5 contracts, the lever 4 rotates around a hinge point, and the brake block 6 is contacted with the wire barrel 1; when F is present1<F2Thereafter, the first spring 5 is extended, and the lever 4 is rotated about the hinge point, thereby separating the brake block 6 from the wire barrel 1.
The utility model discloses tension mechanism of rectangle enameled wire, through setting up by lever 4, brake block 6 and the brake equipment that first spring 5 constitutes, after unwrapping wire 8 stops the unwrapping wire, this moment line bucket 1 still can continue to rotate under inertial effect, and then make rectangle enameled wire 3 reduce gradually to the pulling force of first wire wheel 7, after rectangle enameled wire 3 is less than first spring 5 to lever 4's pulling force to first wire wheel 7's pulling force, first spring 5 shrink, make lever 4 rotate around its pin joint with first support 2, and then drive brake block 6 and the contact of line bucket 1, through the frictional force between brake block 6 and the line bucket 1, prevent line bucket 1 and continue to rotate, make rectangle enameled wire 3 be in the tension state all the time, the problem that prior art center line bucket 1 leads to rectangle enameled wire 3 lax because of inertia is rotatory always has been solved.
Preferably, the tension mechanism for the rectangular enameled wire further comprises a second support 9 arranged between the first support 2 and the offline machine 8, and at least one wire tensioning device arranged on the second support 9; the wire tensioning device comprises a second wire tensioning wheel 10 arranged on the second support 9 in a sliding mode, and a second spring 11 arranged between the second support 9 and the second wire tensioning wheel 10; the end of the rectangular enameled wire 3 is connected with the wire inserting machine 8 after sequentially bypassing the first wire drawing wheel 7 and the at least one second wire drawing wheel 10; the sliding direction of each second wire wheel 10 on the second bracket 9 is controlled by the cooperation of the acting force of the rectangular enameled wire 3 on the second wire wheel 10 and the second spring 11.
As shown in fig. 1 and 2, the second support 9 is disposed between the first support 2 and the offline machine 8, and is used for supporting the wire tensioning device, preferably, the second support 9 is a frame structure formed by connecting a plurality of cross rods and vertical rods. The number of the wire tensioning devices can be one or more; preferably, as shown in fig. 1, three wire tensioning devices are arranged on the second support 9, and the ends of the rectangular enameled wire 3 are connected with the wire winding machine 8 after sequentially passing around the first wire tensioning wheel 7 and the three second wire tensioning wheels 10. The second wire tensioning wheel 10 is slidably mounted on the second support 9, specifically, a guide rod is arranged on the second support 9, a sliding block is fixed on a central shaft of the second wire tensioning wheel 10, the sliding block is slidably mounted on the guide rod, so that the second wire tensioning wheel 10 can reciprocate along the axial direction of the guide rod, the axial direction of the guide rod can be horizontally arranged or vertically arranged, and specific limitation is not required here. Preferably, as shown in fig. 1 and 2, the second wire wheel 10 is mounted on the second bracket 9 in a vertically sliding manner, and the guide rod is a vertical rod in the second bracket 9.
Wherein, the acting force of the rectangular enameled wire 3 on the second wire wheel 10 is matched with the second spring 11 to control each second wire wheelThe sliding direction of the tension roller 10 on the second bracket 9 refers to: taking the leftmost second wire reel 10 in fig. 1 as an example, the second spring 11 is an extension spring, the acting force of the extension spring on the second wire reel 10 is a pulling force, and the pulling force of the second spring 11 on the second wire reel 10 is set to be F3Setting the tension of the rectangular enameled wire 3 on the second wire wheel 10 to be F4(ii) a When F is present3>F4Then, the second spring 11 contracts, and the second wire wheel 10 slides upwards to store a section of rectangular enameled wire 3; when F is present3<F4Thereafter, the second spring 11 is extended and the second tension wheel 10 is slid downward, thereby releasing the stored rectangular enameled wire 3.
The working principle of the tension mechanism of the rectangular enameled wire according to the embodiment of the present invention is described below with reference to fig. 1 and 2:
fig. 1 is a schematic diagram of the brake block 6 contacting with the wire barrel 1 after the wire feeding machine 8 stops paying off, and a section of rectangular enameled wire 3 is stored in the wire tensioning device. Fig. 2 is a schematic diagram of the thread feeding machine 8 after the thread feeding machine starts to feed the thread and the brake block 6 is separated from the thread barrel 1.
As shown in fig. 1, after the paying-off machine 8 restarts paying-off, the paying-off machine 8 applies a pulling force to the rectangular enameled wire 3, and the pulling force is gradually increased, so that the tension wheel is sequentially applied with the gradually increased pulling force from right to left by the rectangular enameled wire 3;
according to the sequence, firstly, the tension of the rectangular enameled wire 3 on the second wire tensioning wheel 10 on the right side is larger than the tension of the second spring 11 on the right side on the second wire tensioning wheel 10 on the right side, the second spring 11 on the right side extends, the second wire tensioning wheel 10 on the right side slides downwards, and then the rectangular enameled wire 3 stored in the second wire tensioning wheel 10 on the right side is supplied to the wire feeding machine 8 firstly and is paid off through the wire feeding machine 8;
then, the tension of the rectangular enameled wire 3 on the middle second wire tensioning wheel 10 is greater than the tension of the middle second spring 11 on the middle second wire tensioning wheel 10, the middle second spring 11 extends, the middle second wire tensioning wheel 10 slides upwards, and then the rectangular enameled wire 3 stored in the middle second wire tensioning wheel 10 is supplied to the wire feeding machine 8 again and is paid off through the wire feeding machine 8;
then, the tension of the rectangular enameled wire 3 on the second wire tensioning wheel 10 on the left side is larger than the tension of the second spring 11 on the left side on the second wire tensioning wheel 10 on the left side, the second spring 11 on the left side extends, the second wire tensioning wheel 10 on the left side slides downwards, and then the rectangular enameled wire 3 stored in the second wire tensioning wheel 10 on the left side is supplied to the wire winding machine 8 again and is wound off through the wire winding machine 8;
after the pulling force of rectangle enameled wire 3 to second wire wheel 10 equals with the pulling force of second spring 11 to second wire wheel 10, rectangle enameled wire 3 of storing in the wire tensioning device has all been supplied for winding inserter 8 this moment, then winding inserter 8 continues to apply the pulling force to rectangle enameled wire 3, after rectangle enameled wire 3 is greater than the pulling force of first spring 5 to first wire wheel 7 to the pulling force of first spring 7, first spring 5 extension, lever 4 winds the pin joint anticlockwise rotation, and then make brake block 6 and wire barrel 1 separate, then rectangle enameled wire 3 drives wire barrel 1 synchronous rotation, and then just the continuous unwrapping wire that carries out of accessible winding inserter 8.
As shown in fig. 2, after the paying-off machine 8 stops paying off, the wire barrel 1 can continue to rotate under the action of inertia, and the tension of the rectangular enameled wire 3 on the tension wheel is gradually reduced from right to left in sequence;
according to the sequence, firstly, the tension of the rectangular enameled wire 3 on the second wire tensioning wheel 10 on the right side is smaller than the tension of the second spring 11 on the right side on the second wire tensioning wheel 10 on the right side, the second spring 11 on the right side contracts, the second wire tensioning wheel 10 on the right side slides upwards, and then a section of rectangular enameled wire 3 is stored through the second wire tensioning wheel 10 on the right side;
then, the tension of the rectangular enameled wire 3 on the middle second wire tensioning wheel 10 is smaller than the tension of the middle second spring 11 on the middle second wire tensioning wheel 10, the middle second spring 11 contracts, the middle second wire tensioning wheel 10 slides downwards, and then a section of rectangular enameled wire 3 is stored through the middle second wire tensioning wheel 10;
then, the pulling force of the rectangular enameled wire 3 on the second wire tensioning wheel 10 on the left side is smaller than the pulling force of the second spring 11 on the left side on the second wire tensioning wheel 10 on the left side, the second spring 11 on the left side contracts, the second wire tensioning wheel 10 on the left side slides upwards, and then a section of rectangular enameled wire 3 is stored through the second wire tensioning wheel 10 on the left side;
after the pulling force of the rectangular enameled wire 3 to the second wire tensioning wheel 10 equals to the pulling force of the second spring 11 to the second wire tensioning wheel 10, the wire tensioning device finishes the work of storing the rectangular enameled wire 3 at the moment, then the wire barrel 1 continues to rotate, after the pulling force of the rectangular enameled wire 3 to the first wire tensioning wheel 7 is smaller than the pulling force of the first spring 5 to the first wire tensioning wheel 7, the first spring 5 contracts, the lever 4 rotates clockwise around the hinge point, and then the brake block 6 is in contact with the wire barrel 1, and through the friction force between the brake block 6 and the wire barrel 1, the wire barrel 1 is prevented from continuing to rotate, so that the rectangular enameled wire 3 is always in a tensioning state.
The utility model discloses tension mechanism of rectangle enameled wire, through setting up a traditional thread binding putting, after lower winding machine 8 stops the unwrapping wire, the accessible is opened traditional thread binding putting and is stored one section rectangle enameled wire 3, when lower winding machine begins the unwrapping wire, can export rectangle enameled wire 3 supply for lower winding machine 8 very fast through opening a traditional thread binding putting, avoids rectangle enameled wire 3 because the supply is not enough and the phenomenon that rectangle enameled wire 3 damage, card line or unwrapping wire length are not enough that leads to.
The embodiment of the utility model provides an in first wire wheel 7 include all can adopt ordinary pulley with second wire wheel 10, and ordinary pulley is a round wheel around the center pin is rotatory, is equipped with the pulley groove at the periphery of round wheel, during the use, twines rectangle enameled wire 3 in the pulley groove, and arbitrary end at 3 both ends of tractive rectangle enameled wire hard, then frictional force between rectangle enameled wire 3 and the round wheel can make the round wheel rotatory round the center pin. However, since the common pulleys are open-type pulleys, once the rectangular enameled wire 3 is subjected to unexpected external force, the rectangular enameled wire 3 may bounce instantly, so that the rectangular enameled wire 3 bounces out of the pulley groove, and the whole device cannot be used normally.
In order to ensure that the rectangular enameled wire 3 is always in the pulley groove of the pulley, preferably, the first and second wire wheels 7 and 10 each include a central shaft 12, two first baffle plates 13 mounted on the central shaft 12, a pulley 14 disposed between the two first baffle plates 13 and rotatably mounted on the central shaft 12, and two second baffle plates 15 mounted between the two first baffle plates 13 and located at two sides of the pulley 14. As shown in fig. 3, a pulley groove 17 is provided on the circumferential surface of the pulley 14, and the pulley 14 is rotatably attached to the central shaft 12, and preferably, the pulley 14 is attached to the central shaft 12 via a bearing 16 so that the pulley 14 can rotate around the central shaft 12.
Through setting up first baffle 13 and second baffle 15, carry on spacingly to the rectangle enameled wire 3 of winding in pulley groove 17, consequently, no matter rectangle enameled wire 3 receives arbitrary ascending exogenic action of side in the motion process, can both guarantee that rectangle enameled wire 3 is located pulley groove 17 all the time, can not take place the condition that rectangle enameled wire 3 popped out pulley groove 17, has guaranteed the stability and the continuation of whole device.
Claims (6)
1. The tension mechanism of the rectangular enameled wire comprises a first bracket (2) provided with a wire barrel (1) and the rectangular enameled wire (3) wound on the wire barrel (1);
the device is characterized by further comprising a lever (4) hinged on the first support (2), a first spring (5) installed between the lever (4) and the first support (2), a brake block (6) installed on the lever (4) and a first wire drawing wheel (7);
the end of the rectangular enameled wire (3) is connected with a wire inserting machine (8) after bypassing the first wire drawing wheel (7); the separation and the contact between the brake block (6) and the wire barrel (1) are controlled by the cooperation of the acting force of the rectangular enameled wire (3) on the first wire reel (7) and the first spring (5).
2. The tension mechanism for rectangular enameled wires according to claim 1, further comprising a second bracket (9) arranged between the first bracket (2) and the offline machine (8), at least one wire tensioning device arranged on the second bracket (9);
the wire tensioning device comprises a second wire tensioning wheel (10) which is slidably mounted on the second support (9), and a second spring (11) which is mounted between the second support (9) and the second wire tensioning wheel (10);
the end of the rectangular enameled wire (3) is connected with a wire winding machine (8) after sequentially winding around the first wire winding wheel (7) and the at least one second wire winding wheel (10); the sliding direction of each second wire wheel (10) on the second support (9) is controlled through the cooperation of the acting force of the rectangular enameled wire (3) on the second wire wheel (10) and the second spring (11).
3. The tension mechanism for rectangular enameled wires according to claim 2, wherein three wire tensioning devices are arranged on the second bracket (9).
4. The tension mechanism for rectangular enameled wires according to claim 2 or 3, wherein the second wire wheel (10) is slidably mounted on the second bracket (9) up and down.
5. The tension mechanism for rectangular enameled wires according to claim 1, wherein the upper end of the lever (4) is hinged on the first bracket (2), and the lower end of the lever (4) is connected with the first bracket (2) through a first spring (5).
6. The tension mechanism for rectangular enameled wires according to claim 2, wherein the first and second wire tensioning wheels (7, 10) each comprise a central shaft (12), two first baffle plates (13) mounted on the central shaft (12), a pulley (14) disposed between the two first baffle plates (13) and rotatably mounted on the central shaft (12), and two second baffle plates (15) mounted between the two first baffle plates (13) and located on both sides of the pulley (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408745.6U CN210438202U (en) | 2019-08-27 | 2019-08-27 | Tension mechanism of rectangular enameled wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408745.6U CN210438202U (en) | 2019-08-27 | 2019-08-27 | Tension mechanism of rectangular enameled wire |
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| Publication Number | Publication Date |
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| CN210438202U true CN210438202U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921408745.6U Active CN210438202U (en) | 2019-08-27 | 2019-08-27 | Tension mechanism of rectangular enameled wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776862A (en) * | 2020-07-10 | 2020-10-16 | 青海方瑞工程咨询有限公司 | Cable cabling device and using method thereof |
-
2019
- 2019-08-27 CN CN201921408745.6U patent/CN210438202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776862A (en) * | 2020-07-10 | 2020-10-16 | 青海方瑞工程咨询有限公司 | Cable cabling device and using method thereof |
| CN111776862B (en) * | 2020-07-10 | 2021-12-28 | 江苏科信光电科技有限公司 | Cable cabling device and using method thereof |
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