CN215625859U - Automatic uniform tension control device for support bar - Google Patents
Automatic uniform tension control device for support bar Download PDFInfo
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- CN215625859U CN215625859U CN202121898722.5U CN202121898722U CN215625859U CN 215625859 U CN215625859 U CN 215625859U CN 202121898722 U CN202121898722 U CN 202121898722U CN 215625859 U CN215625859 U CN 215625859U
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- support bar
- support
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- rotating shaft
- clutch
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Abstract
The utility model relates to an automatic uniform-speed tension control device for a support bar, which belongs to the technical field of synchronous conveying equipment and comprises a support bar unfolding mechanism, a support bar guiding mechanism and a tension synchronizing mechanism for tensioning the support bar, wherein the support bar unfolding mechanism comprises a base and a clutch rotating shaft rotatably installed on the base, a support bar unfolding frame is installed at the upper part of the clutch rotating shaft, and a magnetic powder clutch is arranged at the lower part of the clutch rotating shaft. The feeding speed of the support bar spreading frame can be kept synchronous with the rotating speed of the support bar winding pipe welding machine under the control of the magnetic powder clutch, and then the support bar can be tensioned by matching with the support bar guiding mechanism and the tension synchronizing mechanism for tensioning the support bar, so that the synchronization of the rotating speed of the support bar winding pipe welding machine and the feeding speed of the support bar spreading frame is better ensured. The guide rotating roller can control the supporting bars to keep radial consistency when the supporting bars enter the first guide wheel from the supporting bar spreading frame, so that the supporting bars are prevented from being twisted.
Description
Technical Field
The utility model relates to an automatic uniform-speed tension control device for a supporting strip, and belongs to the technical field of synchronous conveying equipment.
Background
With the wide use of the cold-shrink cable accessories in the field of cables, the production quality of the plastic spiral support tube which is an important component of the cold-shrink cable accessories directly influences the storage, transportation, construction and installation of the cold-shrink cable accessories. In the market, the cold-shrink plastic spiral support tube is manufactured by three processes including ultrasonic welding, hot air welding and compression joint. However, in any manufacturing process, if the speed of the support strip winding pipe welding machine and the feeding speed of the support strip feeding roller are asynchronous, the support strip is unbalanced in supporting tension in the feeding process, and factors such as the winding welding quality, the process standard and the defective proportion of the cold-shrinkage plastic spiral support pipe are directly influenced. Mainly characterized by the following points:
1. the speed of the support strip winding pipe and the feeding speed of the support strip are asynchronous, so that the support strip is too loose in the conveying process, the support strip is twisted due to the torsion of the support strip, the support strip is deformed due to distortion when entering a winding welding machine, and the pipe winding or welding is influenced.
2. The speed of the support strip around the pipe and the feeding speed of the support strip are asynchronous, so that the support strip is too tight in the conveying process, the support strip slips on a pipe-around mould, and dead spots are generated at welding points of the support strip around the pipe due to repeated welding, and the support strip cannot be normally drawn out.
3. The speed of the support strip around the pipe is asynchronous with the feeding speed of the support strip, so that the support strip is too loose or too tight in the conveying process, and the diameters of the support strip are different when the support strip is around the pipe.
4. The speed of the support strip winding pipe and the feeding speed of the support strip are asynchronous, so that the support strip is too loose or too tight in the conveying process, the coding counter of the pipe winding machine is used for counting by mistake, and the deviation of the length of the cutting support pipe and the required cutting length is caused.
The device is put in exhibition to support strip material roller mostly is put in the nature exhibition or mechanical brake exhibition in the existing market, can not guarantee that the support bar keeps feed rate and stay tube winding speed unanimous all the time at the feeding in-process.
Therefore, a device for synchronizing the speed of the support strip around the pipe and the feeding speed of the support strip and tightly supporting the tension in the feeding process is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic uniform-speed tension control device for a support bar, which solves the problems that the support bar is not balanced in tension during feeding due to the fact that the speed of a support bar winding pipe welding machine is asynchronous with the feeding speed of a support bar feeding roller at present, and the quality, the process standard and the defective proportion of the cold-shrinkage plastic spiral support pipe in the process of girdling are directly influenced.
The utility model relates to an automatic uniform-speed tension control device for a support bar, which comprises a support bar unfolding mechanism, a support bar guiding mechanism and a tension synchronizing mechanism for tensioning the support bar, wherein the support bar unfolding mechanism comprises a base and a clutch rotating shaft rotatably arranged on the base, the upper part of the clutch rotating shaft is provided with a support bar unfolding frame, and the lower part of the clutch rotating shaft is provided with a magnetic powder clutch.
The support bar guiding mechanism comprises a support frame fixed on the base, and a guide wheel is rotatably installed on the support frame. The guide conveying is convenient.
The guide pulley includes from upwards rotating second guide pulley, third guide pulley and the fourth guide pulley of installing on the support frame down. The guide conveying is convenient.
A group of guiding rotary rollers is rotatably arranged on the supporting frame. The guide rotating roller can control the supporting bars to keep radial consistency when the supporting bars enter the first guide wheel from the supporting bar spreading frame, so that the supporting bars are prevented from being twisted.
The tension synchronizing mechanism comprises a support fixed on the support frame, a swinging rotating shaft is rotatably mounted on the support, a swinging rod is fixed at one end of the swinging rotating shaft, a torsion spring is sleeved at the other end of the swinging rotating shaft, and a first guide wheel is rotatably mounted at the other end of the swinging rod.
The outer end of the bracket is fixed with a limiter.
An angle sensor is fixed at the rear end of the swing rotating shaft and connected with a magnetic powder clutch and a controller of a support bar winding pipe welding machine. The torsional spring is connected with the swinging rod through the swinging rotating shaft, the tensioning force of the supporting bar is controlled by the torsional spring, and the supporting bar is always kept in tension balance in the conveying process.
When the torsional spring control support bar tensioning dynamics reaches certain range, when the swinging arms horizontal angle reached set angle 140 degrees promptly, the stopper was spacing to the swinging arms, and angle sensor passes spacing signal to support bar and winds the pipe welding machine controller simultaneously, and control boxing motor and magnetic clutch shut down play the effect that prevents the stay tube wastrel.
The utility model has the following beneficial effects:
1. the feed rate that the frame was put in the exhibition of support bar can keep in step around the pipe welder rotational speed with the support bar under magnetic clutch control, then cooperates the support bar guiding mechanism and is used for the tension lazytongs of tensioning support bar, can the tensioning support bar, and the better assurance support bar is put the feed rate of frame in the exhibition of support bar around pipe welder rotational speed and support bar and is synchronous.
2. The guide rotating roller can control the supporting bars to keep radial consistency when the supporting bars enter the first guide wheel from the supporting bar spreading frame, so that the supporting bars are prevented from being twisted.
3. The torsional spring is connected with the swinging rod through the swinging rotating shaft, and the torsional spring is used for controlling the tensioning force of the supporting bar, so that the supporting bar is always kept in tension balance in the conveying process;
4. when the torsional spring control support bar tensioning dynamics reaches certain range, when the swinging arms horizontal angle reached set angle 140 degrees promptly, the stopper was spacing to the swinging arms, and angle sensor passes spacing signal to support bar and winds the pipe welding machine controller simultaneously, and control boxing motor and magnetic clutch shut down play the effect that prevents the stay tube wastrel.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side view of the support frame and the support bar unfolding frame;
in the figure: 1. the device comprises a base, 2, a clutch power supply, 3, a magnetic powder clutch, 4, a clutch rotating shaft, 5, a fixer, 6, a support strip unfolding frame, 7, a guide rotating roller, 8, a first guide wheel, 9, a second guide wheel, 10, a third guide wheel, 11, a fourth guide wheel, 12, a support frame, 13, a support, 14, a swinging rod, 15, a limiter, 16, a torsion spring, 17, an angle sensor, 18, a swinging rotating shaft, 19 and a support strip.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 to 2, the present invention is an automatic uniform tension control device for a support bar, comprising a support bar spreading mechanism, a support bar guiding mechanism and a tension synchronizing mechanism for tensioning a support bar 19, wherein the support bar spreading mechanism comprises a base 1 and a clutch rotating shaft 4 rotatably mounted on the base 1, a support bar spreading frame 6 is mounted on the upper portion of the clutch rotating shaft 4, and a magnetic powder clutch 3 is arranged on the lower portion of the clutch rotating shaft 4.
The support bar guiding mechanism comprises a support frame 12 fixed on the base 1, and a guide wheel is rotatably installed on the support frame 12.
The guide pulley includes from upwards rotating second guide pulley 9, third guide pulley 10 and the fourth guide pulley 11 of installing on support frame 12 down.
A group of guiding rotary rollers 7 is rotatably arranged on the support frame 12.
The tension synchronizing mechanism comprises a support 13 fixed on the support frame 12, a swing rotating shaft 18 is rotatably mounted on the support 13, a swing rod 14 is fixed at one end of the swing rotating shaft 18, a torsion spring 16 is sleeved at the other end of the swing rotating shaft 18, and a first guide wheel 8 is rotatably mounted at the other end of the swing rod 14.
A stopper 15 is fixed to the outer end of the bracket 13.
An angle sensor 17 is fixed at the rear end of the swing rotating shaft 18, and the angle sensor 17 is connected with the magnetic powder clutch 3 and a controller of the support strip winding pipe welding machine.
The support strip placing rack 6 can use the structure of the support strip rolling device with the patent application number of 2011200881078 applied by the company, the support strip 19 in a roll can be conveniently placed, and the top of the support strip is limited and fixed through the fixer 5. The magnetic powder clutch 3 is connected with the clutch power supply 2.
During the use, place the support bar 19 of lapping on support bar exhibition puts frame 6, the size adjustment support bar exhibition of rolling up according to support bar 19 is put frame 6 elasticity, it is fixed with fixer 5, then take out support bar 19 head, get into between two rotatory rollers 7 of direction, carry out the adjustment of 19 width direction of support bar, reach the unified radial direction of 19 width direction of output support bar, support bar 19 gets into first guide pulley 8 through rotatory roller 7 of direction, carry out horizontal adjustment through first guide pulley 8 to 19 width direction of support bar, then cross second guide pulley 9 on the support bar guiding mechanism, third guide pulley 10, it goes into the support bar around the pipe welding machine to advance behind fourth guide pulley 11.
In summary, the supporting bars enter the supporting tube winding and welding device after being adjusted radially or transversely through the guide rotating roller, the movable first guide wheel, the second guide wheel, the third guide wheel and the fourth guide wheel, so that the supporting bars can be kept consistent radially or transversely in the conveying process, and the supporting bars are prevented from being distorted and deformed to influence the winding or welding. Secondly, the feeding speed of the support bar can be kept synchronous with the rotating speed of the support tube welding machine under the control of the magnetic powder clutch, the clutch rotating shaft cannot rotate when the support bar has no traction force, and the phenomenon that the support bar slips on a tube winding mould due to over looseness or over tightness in the conveying process to cause the phenomenon that the welding point of the support bar welding tube is incapable of being normally drawn out due to dead points generated by repeated welding is avoided; the diameters of the supporting bars are different when the supporting bars are wound, the counting accuracy of a coding counter of the pipe winding machine is influenced, and the length of the cutting supporting tube deviates from the required cutting length. The torsional spring is connected with the swinging rod through the swinging rotating shaft, the tensioning force of the supporting bar is controlled by the torsional spring, and the supporting bar is always kept in tension balance in the conveying process; when the torsional spring control support bar tensioning dynamics reaches certain range, when the swinging arms horizontal angle reached set angle 140 degrees promptly, the stopper was spacing to the swinging arms, and angle sensor passes spacing signal to support bar and winds the pipe welding machine controller simultaneously, and control boxing motor and magnetic clutch shut down play the effect that prevents the stay tube wastrel.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (7)
1. The utility model provides an automatic tension control device at uniform velocity of support bar which characterized in that: mechanism, support bar guiding mechanism and the tension lazytongs that is used for tensioning support bar (19) are put including the support bar exhibition, and the support bar exhibition is put the mechanism and is included base (1) and rotate clutch rotation axis (4) of installing on base (1), and support bar exhibition is installed on the upper portion of clutch rotation axis (4) and is put frame (6), and the lower part of clutch rotation axis (4) is equipped with magnetic clutch (3).
2. The automatic uniform tension control device for the supporting bars according to claim 1, characterized in that: the supporting bar guide mechanism comprises a supporting frame (12) fixed on the base (1), and a guide wheel is rotatably installed on the supporting frame (12).
3. The automatic uniform tension control device for the supporting bars according to claim 2, characterized in that: the guide pulley includes from upwards rotating second guide pulley (9), third guide pulley (10) and fourth guide pulley (11) of installing on support frame (12) down.
4. The automatic uniform tension control device for the supporting bars according to claim 3, characterized in that: a group of guiding rotary rollers (7) is rotatably arranged on the supporting frame (12).
5. A support bar automatic uniform tension control device according to any one of claims 2-4, characterized in that: the tension synchronizing mechanism comprises a support (13) fixed on a support frame (12), a swinging rotating shaft (18) is rotatably mounted on the support (13), a swinging rod (14) is fixed at one end of the swinging rotating shaft (18), a torsion spring (16) is sleeved at the other end of the swinging rotating shaft (18), and a first guide wheel (8) is rotatably mounted at the other end of the swinging rod (14).
6. The automatic uniform tension control device for the supporting bars according to claim 5, characterized in that: the outer end of the bracket (13) is fixed with a limiter (15).
7. The automatic uniform tension control device for the supporting bars according to claim 6, characterized in that: an angle sensor (17) is fixed at the rear end of the swing rotating shaft (18), and the angle sensor (17) is connected with the magnetic powder clutch (3) and a controller of a support bar winding pipe welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121898722.5U CN215625859U (en) | 2021-08-13 | 2021-08-13 | Automatic uniform tension control device for support bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121898722.5U CN215625859U (en) | 2021-08-13 | 2021-08-13 | Automatic uniform tension control device for support bar |
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| Publication Number | Publication Date |
|---|---|
| CN215625859U true CN215625859U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121898722.5U Active CN215625859U (en) | 2021-08-13 | 2021-08-13 | Automatic uniform tension control device for support bar |
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| CN (1) | CN215625859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772391A (en) * | 2022-05-30 | 2022-07-22 | 江苏兴达智能制造有限公司 | Electroplating take-up tension adjusting device and adjusting method thereof |
-
2021
- 2021-08-13 CN CN202121898722.5U patent/CN215625859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772391A (en) * | 2022-05-30 | 2022-07-22 | 江苏兴达智能制造有限公司 | Electroplating take-up tension adjusting device and adjusting method thereof |
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