CN214828021U

CN214828021U - Tension mechanism of yarn that blocks water rewinder

Info

Publication number: CN214828021U
Application number: CN202120346787.2U
Authority: CN
Inventors: 王耀; 周海涛
Original assignee: Wuxi Tenghua Cable Material Technology Co ltd
Current assignee: Wuxi Tenghua Cable Material Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-23
Anticipated expiration: 2031-02-05

Abstract

The utility model belongs to the technical field of the yarn production technique that blocks water and specifically relates to a tension mechanism of yarn rewinder blocks water, including the pulley holder, the pulley holder internal rotation is connected with the pulley, blocks water the yarn and walks around the pulley, and the pulley holder bottom is connected with automatic rising structure, and automatic rising structure includes the spring, still includes the stop gear of the straight motion of restriction spring, and the one end rigidity that the pulley holder was kept away from to the spring, and the pulley holder is connected to the spring other end. This application has the effect that can reduce the frictional force that the yarn that blocks water received.

Description

Tension mechanism of yarn that blocks water rewinder

Technical Field

The application relates to the field of water-blocking yarn production technology, in particular to a tension mechanism of a water-blocking yarn rewinding machine.

Background

When the cable is laid, the cable is inevitably in direct contact with water and even soaked in the water, so that the water slowly permeates into the cable. The general cable insulation material can generate a water tree phenomenon after the cable is used for a period of time, and when the water tree grows to a certain degree, the cable can be punctured, so that water blocking yarns are needed. In practical application, the water blocking yarn is often required to be coiled by a rewinding machine so as to be convenient to use, the basic working principle of the rewinding machine is that the yarn is uncoiled by a paying-off roller, the yarn is coiled by a winding roller, and a tension mechanism is further arranged on a workbench between the paying-off roller and the winding roller.

The water-blocking yarn rewinding machine has the defects that the tension mechanism is a plurality of vertical short rods, water-blocking yarns penetrate through the short rods in an S shape, the short rods are also coaxially connected with the pressing wheels, the pressing wheels press the water-blocking yarns (namely the water-blocking yarns pass through the lower surfaces of the pressing wheels in a sticking mode), the quality of the pressing wheels is adjustable, and when the rewinding machine works, the water-blocking yarns can be pressed by the pressing wheels, further bear large friction force and are not convenient for a winding roller to wind.

SUMMERY OF THE UTILITY MODEL

In order to reduce the frictional force that the yarn that blocks water received, this application provides a yarn rewinder's that blocks water tension mechanism.

The application provides a tension mechanism of yarn that blocks water rewinder adopts following technical scheme:

the utility model provides a tension mechanism of yarn that blocks water rewinder, includes the pulley holder, and the pulley holder internal rotation is connected with the pulley, and the yarn that blocks water walks around the pulley, and the pulley holder bottom is connected with automatic elevation structure, and automatic elevation structure includes the spring, still includes the stop gear of the straight motion of restriction spring, and the one end rigidity that the pulley holder was kept away from to the spring, and the pulley holder is connected to the spring other end.

Through adopting above-mentioned technical scheme, the yarn that blocks water walks around two pulleys, and the automatic rising structure of pulley bottom makes the pulley can reciprocate according to the atress condition of difference to the yarn tensioning that makes blocks water, in addition, stop gear's setting makes the spring be unlikely to the motion excessively and makes automatic rising structure damage.

Optionally, the limiting mechanism comprises a groove used for accommodating the spring and fixed in position, the inner wall of the groove is matched with the outer wall of the spring, and one end of the spring is connected with the bottom of the groove.

Through adopting above-mentioned technical scheme, the spring is tensile or compress in the recess, is difficult for producing positional deviation.

Optionally, the inner wall of the groove is provided with a sliding groove along the depth direction of the groove, a supporting rod is connected between the spring and the pulley seat and located in the groove, a limiting block is arranged on the side face and inserted into the sliding groove, and the limiting block can only slide along the depth direction of the groove in the sliding groove.

Through adopting above-mentioned technical scheme, branch links to each other spring and pulley holder, makes the pulley holder reciprocate when receiving the not equidimension power of yarn that blocks water, and in addition, the stopper makes branch can't rotate around self axis to make the pulley holder can not rotate by oneself.

Optionally, a stop block is arranged in the sliding groove and located above the limiting block, and the stop block is used for blocking the limiting block.

Through adopting above-mentioned technical scheme, the setting of dog can restrict the tensile distance of spring, prevents that the spring from receiving too big pulling force and being pulled badly.

Optionally, the stop block is provided with an insertion rod, the inner wall of the sliding groove is provided with an insertion hole, and the insertion rod is inserted into the insertion hole.

Through adopting above-mentioned technical scheme, when the stopper inserted the recess, the dog inserted from the recess, can fix in the recess through the inserted bar conveniently, also can conveniently take out simultaneously.

Optionally, the yarn blocking device further comprises a detector for detecting whether the water blocking yarn is broken.

Through adopting above-mentioned technical scheme, if the yarn that blocks water breaks off then the detector can not detect the existence of the yarn that blocks water to feedback signal gives the controller, and then control the winding roll stop work, prevent the idle running of winding roll.

Optionally, the number of the pulleys is at least two, and the bottom of each pulley is connected with an automatic lifting structure.

Through adopting above-mentioned technical scheme, two and above pulleys make the yarn that blocks water can abundant tensioning.

Optionally, the water-blocking yarns that are S-shaped around all the pulleys are located in the same plane.

By adopting the technical scheme, the water blocking yarns which are S-shaped and pass around all the pulleys are positioned in the same plane, so that the water blocking yarns can be smoothly wound while being tensioned.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water blocking yarn is paid off from the pay-off roller, wound around the two pulleys in an S shape and finally wound on the winding roller, and the water blocking yarn is subjected to smaller pressure of the pulleys because the two pulleys can automatically adjust the height of the water blocking yarn according to the tension of the water blocking yarn, so that the water blocking yarn is subjected to smaller friction force from the pulleys, and the winding roller is convenient to wind.

2. The setting of dog can restrict the tensile distance of spring, prevents that the spring from receiving too big pulling force and being pulled bad.

Drawings

FIG. 1 is a schematic structural diagram of a tension mechanism of a water-blocking yarn rewinding machine according to an embodiment of the present application;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a pulley; 2. a pay-off roller; 3. a winding roll; 4. a work table; 5. a support device; 6. a strut; 7. a pulley seat; 8. a groove; 9. a spring; 10. a limiting block; 11. a chute; 12. a stopper; 13. inserting a rod; 14. a jack; 15. a detector; 16. a water blocking yarn.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses tension mechanism of yarn that blocks water rewinder. Referring to fig. 1, the tension mechanism of the water-blocking yarn winding machine comprises two pulleys 1, wherein the two pulleys 1 are positioned on a workbench 4 between a pay-off roller 2 and a winding roller 3, and a water-blocking yarn 16 is S-shaped and sequentially bypasses the two pulleys 1 in the same vertical plane. In addition, a detector 15 is installed on the workbench 4, if the water blocking yarn 16 is broken, the detector 15 cannot detect the existence of the water blocking yarn 16, so that a signal is fed back to the controller, the controller controls the winding roller 3 to stop working, and the winding roller 3 is prevented from idling.

Referring to fig. 1, a pulley 1 is connected with a workbench 4 through a supporting device 5, the supporting device 5 is composed of a pulley seat 7 and a supporting rod 6, a rolling shaft of the pulley 1 is fixed in the pulley seat 7, a groove 8 for inserting the supporting rod 6 is further formed in the workbench 4, the groove 8 is a limiting mechanism, and one end, far away from the groove 8, of the supporting rod 6 is welded with the pulley seat 7.

Referring to fig. 2 and 3, a spring 9 is arranged in the groove 8, the spring 9 is an automatic lifting structure, one end of the spring 9 is connected with the bottom wall of the groove 8, the other end of the spring is connected with the bottom of the supporting rod 6, and the two pulleys 1 can automatically adjust the height according to the tension of the water blocking yarn 16 through the arrangement of the spring 9, so that the water blocking yarn 16 always keeps a tensioning state. It should be noted that, during the operation of the rewinding machine, the spring 9 corresponding to the pulley 1 located below the water-blocking yarn 16 is in compression, while the other spring 9 is in tension, when the water-blocking yarn 16 is tightened, the compressed spring 9 is further compressed, while the stretched spring 9 is further stretched; when the water blocking yarn 16 is loosened, the pressure borne by the compressed spring 9 is reduced, the tension borne by the stretched spring 9 is also reduced, and the two springs 9 can recover to the original length state of the spring 9, so that the loosened water blocking yarn 16 is tensioned.

Referring to fig. 4, 6 lateral walls of branch have

stopper

10, and 8 inside walls of recess are opened there is spout 11, and spout 11 extends to 8 bottoms of recess from 8 openings of recess, and stopper 10 inserts in spout 11, still installs dog 12 in the spout 11 of stopper 10 top, and the welding has inserted bar 13 on dog 12, and it has jack 14 to supply inserted bar 13 to insert to open on the 11 inner walls of spout. Stopper 10 and spout 11's cooperation can prevent branch 6 rotatory to prevent that pulley 1 from rotatory, make the yarn 16 that blocks water can roll smoothly, the setting of dog 12 can limit the tensile distance of spring 9, prevents that spring 9 from receiving too big pulling force and being pulled badly.

The application embodiment of the tension mechanism of the water-blocking yarn rewinding machine adopts the following implementation principle: the water blocking yarn 16 is paid out from the pay-off roller 2, wound around the two pulleys 1 in an S shape and finally wound on the winding roller 3, and the two pulleys 1 can automatically adjust the height of the water blocking yarn 16 according to the tension of the water blocking yarn 16, so that the water blocking yarn 16 is subjected to smaller pressure of the pulleys 1, the water blocking yarn 16 is subjected to smaller friction force from the pulleys 1, and the winding roller 3 is convenient to wind.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tension mechanism of yarn that blocks water rewinder, includes pulley holder (7), and pulley holder (7) internal rotation is connected with pulley (1), blocks water yarn (16) and walks around pulley (1), its characterized in that: the bottom of the pulley seat (7) is connected with an automatic lifting structure, the automatic lifting structure comprises a spring (9) and a limiting mechanism for limiting the straight movement of the spring (9), one end of the spring (9) far away from the pulley seat (7) is fixed in position, and the other end of the spring (9) is connected with the pulley seat (7).

2. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 1, wherein: stop gear is including being used for holding spring (9) and fixed position's recess (8), and the bottom of recess (8) is connected to the one end cooperation of inner wall and spring (9) outer wall, spring (9).

3. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 2, wherein: the inner wall of recess (8) is equipped with spout (11) along the depth direction of recess (8), is connected with branch (6) between spring (9) and pulley seat (7), and branch (6) are located recess (8), and the side is equipped with stopper (10), inserts in spout (11), and stopper (10) only can slide along recess (8) depth direction in spout (11).

4. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 3, wherein: a stop block (12) is arranged in the sliding groove (11), the stop block (12) is located above the limiting block (10), and the stop block (12) is used for blocking the limiting block (10).

5. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 4, wherein: an inserting rod (13) is arranged on the stop block (12), an inserting hole (14) is formed in the inner wall of the sliding groove (11), and the inserting rod (13) is inserted into the inserting hole (14).

6. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 1, wherein: the water-blocking yarn cutting device further comprises a detector (15), wherein the detector (15) is used for detecting whether the water-blocking yarn (16) is broken or not.

7. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 1, wherein: the number of the pulleys (1) is at least two, and the bottom of each pulley (1) is connected with an automatic lifting structure.

8. The tension mechanism of a water-blocking yarn rewinding machine as claimed in claim 7, wherein: the water blocking yarns (16) which are S-shaped and wound around all the pulleys (1) are positioned in the same plane.