CN218145110U

CN218145110U - Constant tension device for winding steel cord

Info

Publication number: CN218145110U
Application number: CN202222258528.1U
Authority: CN
Inventors: 王智慧
Original assignee: Zhangjiagang City Junma Steel Cord Co ltd
Current assignee: Zhangjiagang City Junma Steel Cord Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-27
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a steel cord processing technology field particularly relates to a constant tension device for rolling a steel cord, which comprises a stand column, a swing arm, a tension wheel and a wire guide wheel, wherein, a counterweight is arranged at the second end of the swing arm, so that the counterweight, the swing arm and the tension wheel form a lever structure, and the tension wheel has constant tension of the steel cord resistance by changing the weight of the counterweight; through the weight piece, swing arm and the tension pulley combination that set up lever structure, through the weight of weight piece, give tension pulley reaction force, make the tension pulley give the steel cord with invariable tension, avoid unstable tension to cause the stability of wire jumper to can be according to the steel cord of different models, the weight of adjustment weight piece makes the tension pulley adapt to different tensile steel cord.

Description

Constant tension device for winding steel cord

Technical Field

The utility model relates to a steel cord processing technology field particularly relates to a permanent tension device for steel cord rolling.

Background

The steel cord is a thin steel wire strand or rope which is made of high-quality high-carbon steel, plated with brass on the surface and has special purposes, is mainly used for car tires, truck tires, airplane tires or other rubber product framework materials, and the subsequent steps of the production process of the steel cord comprise winding of the steel cord and winding of the steel cord into a plurality of I-shaped wheels in multiple times so as to facilitate transportation.

In the existing steel cord winding machine, a spring and a balance wheel are used to adjust tension change of the steel cord according to different types in the winding process of the steel cord in the conveying process of the steel cord, but because the elastic force of the spring is unstable, constant tension support cannot be provided for the steel cord, the condition of wire jumping easily occurs in the production process, the balance wheel is easy to block, and the continuity of production is influenced.

SUMMERY OF THE UTILITY MODEL

The defect and not enough to prior art exist, the utility model aims to provide a permanent tension device for steel cord rolling makes the steel cord have invariable effort at the rolling in-process, avoids unstable tension to cause the stability of wire jumper.

According to the utility model discloses a first aspect of purpose provides a permanent tension device for steel cord rolling, include:

the stand column is fixedly arranged on the winding machine;

the swing arm is rotatably arranged on the front side surface of the upright post;

the tension pulley is rotatably arranged at the first end of the swing arm;

the wire guide wheel is fixedly arranged on the front side surface of the upright post, can rotate around a shaft and is used for guiding the steel cord wound on the outer sides of the tension wheel and the wire guide wheel;

and a counterweight is arranged at the second end of the swing arm, so that the counterweight, the swing arm and the tension pulley form a lever structure, and the tension pulley has constant steel cord tension resistance by adjusting and configuring the weight of the counterweight.

Preferably, the swing arm includes integrated into one piece's first swing arm and second swing arm, be equipped with the round pin axle between first swing arm, the second swing arm, the round pin axle is fixed to the leading flank of stand makes first swing arm, second swing arm wind the round pin axle rotates.

Preferably, the counterweight is detachably mounted at the end part of the first swing arm, and the tension pulley is rotatably mounted at the end part of the second swing arm.

Preferably, the side wall of the upright column corresponds to the upper part and the lower part of one side of the second swing arm, and limit blocks are fixedly arranged on the upper part and the lower part of the side wall of the upright column and used for limiting the moving range of the second swing arm.

Preferably, the second swing arm is arranged in a Z shape, so that the second swing arm passes through the limiting block from a path of the pin in the direction of the tension pulley.

Preferably, the counterweight comprises a suspension rod and a plurality of counterweights capable of being sleeved on the suspension rod, and the upper end of the suspension rod is rotatably installed at the end part of the first swing arm.

Preferably, the hanger rod comprises a first shaft rod and a second shaft sleeve, a screw rod is fixedly arranged at the connecting end of the first shaft rod and the second shaft sleeve, a thread groove is formed in the second shaft sleeve, and the first shaft rod is fixed with the second shaft sleeve through the screw rod in a threaded connection mode.

Preferably, a second limiting plate for bearing the balancing weight is fixedly arranged at the bottom of the first shaft rod.

Preferably, the top of the second shaft sleeve is fixedly provided with a first limiting plate used for limiting the counterweight block, the side wall of the first limiting plate is fixedly provided with an inserting shaft, and the inserting shaft is inserted and fixed onto the first swing arm and is rotatably connected with the first swing arm.

Preferably, the tension pulley comprises more than two groups of wire grooves, and the wire guide pulley comprises more than three groups of wire grooves.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a set up lever structure's counterweight, swing arm and tension pulley combination, through the weight of counterweight, give tension pulley reaction force, make the tension pulley give the steel cord with invariable tension, avoid unstable tension to cause the stability of wire jumper to can be according to the steel cord of different models, the weight of adjustment counterweight makes the tension pulley adapt to different tensile steel cord.

Drawings

The figures are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a constant tension device for rolling a steel cord according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another state of the constant tension device for rolling the steel cord according to the embodiment of the present invention;

FIG. 3 is a schematic top view of a constant tension device for rolling a steel cord according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structural view of a weight member in a constant tension device for rolling a steel cord according to an embodiment of the present invention.

Detailed Description

For a better understanding of the technical aspects of the present invention, specific embodiments are described below in conjunction with the appended drawings.

The tension device applied to the steel cord winding process at present generally adopts a combination of a spring and a balance wheel, and utilizes the elasticity of the spring to adjust the tension when the steel cords of different types are wound, but in the steel cord winding process, the spring cannot give stable elasticity to the balance wheel, and the balance wheel can swing under the condition of tension change, so that the steel cord can generate the condition of wire jumping, is separated from the balance wheel, causes the steel cord to be stuck, and affects the production continuity.

Combine figure 1 and 2 to show, the utility model provides a permanent tension device for steel cord rolling, including stand 1, swing arm 2, tension pulley 3, wire wheel 4 and counterweight 5.

Wherein, stand 1 is fixed to be set up on the rolling machine, and stand 1 adopts the hollow cylinder of rectangle stainless steel to fix the surface of coiling machine with spiro union or welding mode, swing arm 2 rotates and installs the leading flank at stand 1, and tension pulley 3 rotates and installs the first end at swing arm 2, and wire wheel 4 is fixed to be set up at the leading flank of stand 1, and can wind the axle rotation, is used for leading around establishing the steel cord in tension pulley 3, the wire wheel 4 outside.

In a specific embodiment, the swing arm 2 is made of flat steel, the swing arm 2 includes a first swing arm 21 and a second swing arm 22 which are integrally formed, a pin 23 is rotatably installed between the first swing arm 21 and the second swing arm 22, and the pin 23 is matched with a hole on the upright 1 and fixed to the front side surface of the upright 1, so that the first swing arm 21 and the second swing arm 22 rotate around the pin 23.

Further, a counterweight 5 is installed at the second end of the swing arm 2, the counterweight 5, the swing arm 2 and the tension pulley 3 form a lever structure, the tension pulley 3 has constant steel cord tension resistance by changing the weight of the counterweight 5, the counterweight 5 is detachably installed at the end of the first swing arm 21, and the tension pulley 3 is rotatably installed at the end of the second swing arm 22.

Specifically, according to the tension strength of different types of steel cords, the weight of the weight part is adjusted and configured, for example, the weight of the weight part 5 is selected and exchanged in a targeted manner, a certain force is applied to the tension wheel 3 by utilizing the lever action, and meanwhile, the tension wheel 3 applies a reaction force to the steel cord to offset the force generated when the steel cord is wound, so that the steel cord has a constant acting force in the winding process, and the stability of a jumper wire caused by unstable tension is avoided.

In the specific embodiment shown in fig. 4, the weight member 5 comprises a suspension rod and a plurality of weights 53 capable of being sleeved on the suspension rod, the upper end of the suspension rod is rotatably mounted at the end of the first swing arm 21, wherein the weights 53 are disk-shaped or rectangular steel blocks with holes in the middle, and can be mounted on the suspension rod and prevented from falling off the suspension rod, and the weight of the weights 53 can be selected according to the steel cord to give stable tension to the steel cord.

The hanger rod comprises a first shaft rod 51 and a second shaft sleeve 52, a screw 511 is fixedly arranged at the connecting end of the first shaft rod 51 and the second shaft sleeve 52, a thread groove 521 is formed in the second shaft sleeve 52, and the first shaft rod 51 is fixed with the second shaft sleeve 52 through the screw 511 in a threaded manner.

So, can adjust the installation distance between first axostylus axostyle 51 and the second axle sleeve 52 according to the difference of balancing weight 53 installation quantity to change the length of hanging rod, with the different condition of adaptation balancing weight 53 quantity.

Further, the fixed second limiting plate 55 that is used for bearing the weight piece 53 that is equipped with in first shaft 51's bottom, second limiting plate 55 set up to the stainless steel sheet plate of rectangle to the welded mode is fixed in first shaft 51's bottom, and the area of second limiting plate 55 sets up to more than 2/3 of weight piece 53, can play stable bearing effect to weight piece 53.

Further, the fixed first limiting plate 54 that is used for spacing to balancing weight 53 that is equipped with in top of second shaft sleeve 52, the fixed inserting shaft 541 that is equipped with of lateral wall of first limiting plate 54, insert shaft 541 and insert fixedly to first swing arm 21 on, and rotate with first swing arm 21 and be connected, first limiting plate 54 adopts hollow stainless steel piece, 55 thickness of relative second limiting plate will be high, the fixed inserting shaft 541 of welding mode is used to the side table wall, first limiting plate 54 can carry on spacingly to the upper end of balancing weight 53 with the side, insert shaft 541 and can insert in the hole site on first swing arm 21, make whole counterweight 5 be in the state of dangling.

Further, as shown in fig. 2 and fig. 3, the side wall of the upright post 1 is fixed with the limiting blocks 6 on the upper and lower sides of the side corresponding to the second swing arm 22, the two limiting blocks 6 are used for limiting the moving range of the second swing arm 22, the limiting blocks 6 are circular or rectangular rubber blocks, the upper and lower limiting positions of the pitch angle of the second swing arm 22 are set, the pitch angle of the second swing arm 22 is kept within 60 degrees, and therefore the swing arm 2 can swing greatly to avoid the steel cord breakage.

Referring to fig. 3, in a specific embodiment, the second swing arm 22 is Z-shaped, so that a path of the second swing arm 22 from the pin 23 to the direction of the tension pulley 3 passes through the limiting block 6, and the limiting block 6 can limit the second swing arm 22.

Further, tension pulley 3 includes more than two sets of wire casings, and wire wheel 4 includes more than three sets of wire casings, and the steel cord of winding on tension pulley 3 and wire wheel 4 like this has stable winding motion state, and wire wheel 4 plays the guide effect to the direction of steel cord, and tension pulley 3 provides invariable tension for the steel cord.

With the combination of the above embodiments, the counterweight 5, the swing arm 2 and the tension wheel 3 which are provided with the lever structure are combined, and the reaction force is given to the tension wheel 3 by the weight of the counterweight 5, so that the tension wheel 3 gives the steel cord with constant tension, the stability of wire jumping caused by unstable tension is avoided, and the weight of the counterweight 5 can be adjusted according to the steel cords of different models, so that the tension wheel 3 adapts to the steel cords of different tensions.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The present invention is well known in the art and can be modified and decorated without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. A constant tension device for rolling a steel cord is characterized by comprising:

the upright post (1) is fixedly arranged on the winding machine;

the swing arm (2) is rotatably arranged on the front side surface of the upright post (1);

the tension wheel (3) is rotatably arranged at the first end of the swing arm (2);

the wire guide wheel (4) is fixedly arranged on the front side surface of the upright post (1), can rotate around a shaft and is used for guiding the steel cord wound on the outer sides of the tension wheel (3) and the wire guide wheel (4);

the second end counterweight (5) of the swing arm (2), the counterweight (5), the swing arm (2) and the tension pulley (3) form a lever structure, and the weight of the counterweight (5) is adjusted and configured to enable the tension pulley (3) to have constant steel cord tension.

2. The constant tension device for steel cord rolling according to claim 1, wherein the swing arm (2) comprises a first swing arm (21) and a second swing arm (22) which are integrally formed, a pin shaft (23) is arranged between the first swing arm (21) and the second swing arm (22), and the pin shaft (23) is fixed on the front side surface of the upright post (1) so that the first swing arm (21) and the second swing arm (22) rotate around the pin shaft (23).

3. Constant tension device for the take-up of steel cords according to claim 2, characterized in that the counterweight (5) is removably mounted at the end of the first swing arm (21) and the tension pulley (3) is rotatably mounted at the end of the second swing arm (22).

4. The constant tension device for rolling the steel cord according to claim 3, wherein the side wall of the upright post (1) is fixedly provided with a limiting block (6) at the upper part and the lower part of one side corresponding to the second swing arm (22), and the two limiting blocks (6) are used for limiting the movable range of the second swing arm (22).

5. A constant tension device for steel cord rolling according to claim 4, characterized in that the second swing arm (22) is arranged in a Z shape, so that the path of the second swing arm (22) from the pin (23) to the direction of the tension pulley (3) passes through the limit block (6).

6. A constant tension device for the winding of steel cords according to claim 3, characterized in that said counterweight (5) comprises a boom, the upper end of which is rotatably mounted at the end of said first oscillating arm (21), and a plurality of counterweights (53) able to be fitted on the boom.

7. The constant tension device for rolling the steel cord as claimed in claim 6, wherein the suspension rod comprises a first shaft rod (51) and a second shaft sleeve (52), a screw (511) is fixedly arranged at the connecting end of the first shaft rod (51) and the second shaft sleeve (52), a thread groove (521) is formed in the second shaft sleeve (52), and the first shaft rod (51) is fixed with the second shaft sleeve (52) in a threaded manner through the screw (511).

8. Constant tension device for the rolling of steel cords according to claim 7, characterized in that the bottom of the first shaft (51) is fixedly provided with a second limit plate (55) for bearing the weight block (53).

9. The constant tension device for steel cord rolling according to claim 7, wherein a first limit plate (54) for limiting the weight block (53) is fixedly arranged at the top of the second shaft sleeve (52), an insertion shaft (541) is fixedly arranged on the side wall of the first limit plate (54), and the insertion shaft (541) is inserted and fixed onto the first swing arm (21) and is rotatably connected with the first swing arm (21).

10. Constant tension device for the take-up of steel cords according to claim 1, characterized in that the tension pulley (3) comprises more than two groups of wire grooves and the wire guide pulley (4) comprises more than three groups of wire grooves.