Pay-off tension control device

Abstract

The utility model provides a pay-off tension control device which comprises a tension seat, a sliding rod, a lead screw, a spring pressing plate, a fixed guide wheel assembly, a movable guide wheel assembly, a first spring, a second spring and a limiting sleeve, the tension seat comprises a frame body, an upper fixing plate and a lower fixing plate, one end of the sliding rod is fixed on the upper fixing plate, and the other end of the sliding rod is fixed on the lower fixing plate. One end of the lead screw is fixed in the upper fixing plate, the other end of the lead screw penetrates through the spring pressing plate, the other end of the lead screw is further provided with two lead screw nuts, and the two lead screw nuts are arranged on the upper end face and the lower end face of the spring pressing plate respectively. The movable guide wheel assembly is arranged below the fixed guide wheel assembly in an up-down sliding mode, the first spring is arranged between the movable guide wheel assembly and the spring pressing plate in an abutting mode, and the second spring is arranged between the movable guide wheel assembly and the lower fixing plate in an abutting mode. The tension fluctuation and the speed change in the pay-off process can be reduced, the stability of equipment is enhanced, and the production efficiency of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the tension control technical field, especially a pay-off tension control device. BACKGROUND

[0002] At present, the steel wire needs to be sent to the water tank wire drawing machine for processing in the tension state at a constant speed during the pay-off process of the drawn copper-plated steel wire.

[0003] However, due to uneven arrangement of the steel wire, wire pressing and other reasons during the pay-off process, the steel wire will shake and fluctuate in speed, which easily causes unstable drawing quality and increases the possibility of drawing wire breakage. Therefore, how to reduce the tension fluctuation and speed change during the pay-off process and improve the equipment stability becomes a problem to be solved. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a pay-off tension control device to solve the problem of how to reduce the tension fluctuation and speed change during the pay-off process and improve the equipment stability.

[0005] The pay-off tension control device provided by the utility model comprises a tension seat, a sliding rod, a lead screw, a spring pressing plate, a fixed guide wheel assembly, a movable guide wheel assembly, a first spring, a second spring and a limiting sleeve. The tension seat comprises a frame body, an upper fixed plate and a lower fixed plate. The upper fixed plate and the lower fixed plate are respectively arranged in the frame body along a first direction. One end of the sliding rod is fixed to the upper fixed plate, and the other end of the sliding rod is fixed to the lower fixed plate after passing through the spring pressing plate along a second direction. The first direction is perpendicular to the second direction. One end of the lead screw is fixed to the upper fixed plate, and the other end of the lead screw passes through the spring pressing plate along the second direction. The other end of the lead screw is further provided with two lead screw nuts. The two lead screw nuts are respectively arranged on the upper and lower end faces of the spring pressing plate and are used for adjusting the height position of the spring pressing plate in the second direction. The fixed guide wheel assembly is fixedly arranged on the upper part of the tension seat. The fixed guide wheel assembly comprises a fixed shaft, a fixed guide wheel and a friction assembly. One end of the fixed shaft is inserted and fixed to the side of the frame body along the first direction. The fixed guide wheel is rotatably arranged on the other end of the fixed shaft. One end of the friction assembly is fixed to the side of the frame body, and the other end of the friction assembly is arranged on the inner side end face of the fixed guide wheel. The movable guide wheel assembly is slidably arranged below the fixed guide wheel assembly. The movable guide wheel assembly comprises a sliding counterweight, a movable shaft and a movable guide wheel. The sliding counterweight is slidably fixed to the sliding rod. The first spring is arranged between the sliding counterweight and the spring pressing plate. The second spring is arranged between the sliding counterweight and the lower fixed plate. The first spring and the second spring are sleeved on the sliding rod. One end of the movable shaft is inserted and fixed to the sliding counterweight along the first direction. The movable guide wheel is rotatably arranged on the other end of the movable shaft. The limiting sleeve is inserted into the side of the frame body along the first direction. The limiting sleeve is eccentrically rotatably arranged near the fixed guide wheel and is used for adjusting the gap between the limiting sleeve and the fixed guide wheel.

[0006] Optionally, the fixed guide wheels are provided in plurality, are sequentially sleeved on the fixed shaft, the number of the moving guide wheels is less than the number of the fixed guide wheels by one, and the moving guide wheels are sequentially sleeved on the moving shaft.

[0007] Preferably, the fixed guide wheels are provided in three, and the moving guide wheels are provided in two.

[0008] Optionally, the friction assembly comprises a fixed groove seat, an adjusting bolt, an adjusting piece, a tension spring and a friction block, the fixed groove seat is inserted and fixed on the side of the frame body along the first direction, the adjusting bolt, the adjusting piece, the tension spring and the friction block are sequentially inserted in the fixed groove seat, the friction block is arranged on the inner side end face of the fixed guide wheel along the first direction, and the adjusting bolt is threadedly connected in the fixed groove seat.

[0009] Optionally, the moving guide wheel assembly further comprises a linear bearing, the linear bearing is embedded and fixed in the sliding counterweight block, and the linear bearing is sleeved on the sliding rod.

[0010] Optionally, the moving guide wheel assembly further comprises a plurality of counterweight adding and reducing blocks which can be fixed on the side of the sliding counterweight block.

[0011] Optionally, the moving guide wheel assembly further comprises a baffle, the baffle is in a frame type, is fixed on the other end of the moving shaft, and the baffle is arranged on the lower part of the moving guide wheel.

[0012] Optionally, the sliding rod is provided in two, the first spring and the second spring are also provided in two respectively, and the two sliding rods are symmetrically arranged in the frame body.

[0013] Optionally, the fixed guide wheel assembly is arranged above the upper fixed plate.

[0014] Compared with the prior art, the pay-off tension control device can well reduce the tension fluctuation and speed change in the pay-off process, enhance the equipment stability, and improve the equipment production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the pay-off tension control device of the utility model from one visual angle;

[0016] Figure 2 It is a structure schematic view of the pay-off tension control device of the utility model from another visual angle;

[0017] Figure 3 It is a structure schematic view of the pay-off tension control device of the utility model from still another visual angle;

[0018] Figure 4 It is a structure schematic view of the pay-off tension control device of the utility model from still another visual angle. DETAILED DESCRIPTION

[0019] In order to make the purpose, structure, characteristics and functions of the utility model have further understanding, the following will be described in detail with examples.

[0020] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown based on the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, therefore, it cannot be understood as a limitation on the utility model.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a wire laying tension control device 100, comprising: a tension seat 1, a sliding rod 2, a lead screw 3, a spring pressing plate 4, a fixed guide wheel assembly 5, a movable guide wheel assembly 6, a first spring 7, a second spring 8 and a limiting sleeve 9.

[0022] The tension seat 1 comprises a frame body 11, an upper fixed plate 12 and a lower fixed plate 13, and the upper fixed plate 12 and the lower fixed plate 13 are respectively arranged in the frame body 11 along a first direction X.

[0023] One end of the sliding rod 2 is fixed in the upper fixed plate 12, and the other end is fixed in the lower fixed plate 13 after passing through the spring pressing plate 4 along a second direction Y, and the first direction X is perpendicular to the second direction Y.

[0024] One end of the lead screw 3 is fixed in the upper fixed plate 12, and the other end of the lead screw 3 passes through the spring pressing plate 4 along the second direction Y, and the other end of the lead screw 3 is also provided with two lead screw nuts 31.

[0025] The two lead screw nuts 31 are respectively arranged on the upper and lower end faces of the spring pressing plate 4, and are used for adjusting the height position of the spring pressing plate 4 in the second direction Y.

[0026] The fixed guide wheel assembly 5 is fixedly arranged on the upper part of the tension seat 1, and the fixed guide wheel assembly 5 comprises a fixed shaft 51, a fixed guide wheel 52 and a friction assembly 53, one end of the fixed shaft 51 is inserted and fixed on the side of the frame body 11 along the first direction X, the fixed guide wheel 52 is rotatably arranged on the other end of the fixed shaft 51, one end of the friction assembly 53 is fixed on the side of the frame body 11, and the other end is arranged on the inner side end face of the fixed guide wheel 52.

[0027] The movable guide wheel assembly 6 is slidably arranged below the fixed guide wheel assembly 5, and comprises a sliding counterweight 61, a movable shaft 62 and a movable guide wheel 63. The sliding counterweight 61 is slidably fixed on the slide rod 2, the first spring 7 is arranged between the sliding counterweight 61 and the spring pressing plate 4, the second spring 8 is arranged between the sliding counterweight 61 and the lower fixed plate 13, and the first spring 7 and the second spring 8 are sleeved on the slide rod 2. One end of the movable shaft 62 is inserted and fixed in the sliding counterweight 61 along the first direction X, and the movable guide wheel 63 is rotatably arranged at the other end of the movable shaft 62.

[0028] The limiting sleeve 9 is inserted in the side of the frame body 11 along the first direction X, and is arranged eccentrically and rotatably near the fixed guide wheel 52, for adjusting the gap between the limiting sleeve 9 and the fixed guide wheel 52. The eccentric rotation for adjusting the gap can facilitate the threading of the steel wire while limiting the jumping of the steel wire out of the fixed guide wheel 52.

[0029] Optionally, the fixed guide wheel 52 is provided with a plurality of fixed guide wheels, which are sequentially sleeved on the fixed shaft 51, and the number of the movable guide wheels 63 is one less than the number of the fixed guide wheels 52, which are sequentially sleeved on the movable shaft 62. In this way, the wire can be conveniently fed out from the fixed guide wheel assembly 5, and the stability of the wire feeding can be improved.

[0030] Preferably, the fixed guide wheel 52 is provided with three fixed guide wheels, and the movable guide wheel 63 is provided with two movable guide wheels. Such a number not only saves costs, but also ensures the stability of the wire collection.

[0031] Optionally, as shown in Figure 3 The friction assembly 53 comprises a fixed groove seat 531, an adjusting bolt 532, an adjusting piece 533, a tension spring 534 and a friction block 535. The fixed groove seat 531 is inserted and fixed in the side of the frame body 11 along the first direction X, the adjusting bolt 532, the adjusting piece 533, the tension spring 534 and the friction block 535 are sequentially inserted in the fixed groove seat 531, the friction block 535 is arranged on the inner side of the fixed guide wheel 52 along the first direction X, and the adjusting bolt 532 is threadedly connected in the fixed groove seat 531. In this way, the pressure of the friction block 535 on the fixed guide wheel 52 can be conveniently adjusted.

[0032] Optionally, as shown in Figure 4 The movable guide wheel assembly 6 further comprises a linear bearing 64, which is embedded and fixed in the sliding counterweight 61 and sleeved on the slide rod 2. In this way, the sliding counterweight 61 can smoothly slide up and down on the slide rod 2.

[0033] Optionally, the movable guide wheel assembly 6 further comprises a plurality of counterweight adding and subtracting blocks 65, which can be added and fixed on the side of the sliding counterweight 61. In this way, the counterweight can be adjusted according to the actual situation to ensure the stability of the wire collection tension.

[0034] Optionally, the mobile guide wheel assembly 6 further comprises a baffle 66, which is in a frame type and is fixed to the other end of the mobile shaft 62, and the baffle 66 is arranged at the lower part of the mobile guide wheel 63. In this way, the steel wire can be prevented from jumping out of the mobile guide wheel 63, and the safety is improved.

[0035] Optionally, the slide rod 2 is provided with two, and the first spring 7 and the second spring 8 are also provided with two respectively, and the two slide rods 2 are symmetrically arranged in the frame body 11. In this way, the up-and-down sliding of the mobile guide wheel assembly 6 is more stable.

[0036] Optionally, the fixed guide wheel assembly 5 is arranged above the upper fixed plate 12. In this way, the layout is more reasonable, and the installation and fixation of the fixed guide wheel assembly 5 are facilitated.

[0037] The use principle of the wire laying tension control device 100 in an embodiment of the utility model is as follows:

[0038] When the steel wire 100 is loaded, the limiting sleeve 9 is first rotated to increase the gap between the limiting sleeve 9 and the fixed guide wheel 52, the steel wire 100 is wound on the fixed guide wheel 52 and the mobile guide wheel 63, and then the limiting sleeve 9 is rotated again to reduce the gap between the limiting sleeve 9 and the fixed guide wheel 52. Then, the wire laying is started, and during the wire laying, the number of the counterweight adding and reducing blocks 65 can be adjusted according to the thickness of the steel wire and the drawing speed, and after drawing, the positions of the spring pressing plates 4 are adjusted up and down according to the actual tension fluctuation to further affect the elastic force of the first spring 7 and the second spring 8, so that the up-and-down fluctuation of the mobile guide wheel 63 is controlled within the allowable range, and the up-and-down fluctuation of the mobile guide wheel 63 can offset the fluctuation of the wire outlet end of the steel wire.

[0039] The wire laying tension control device can well reduce the tension fluctuation and speed change in the wire laying process, enhance the equipment stability, and improve the equipment production efficiency.

[0040] The utility model has been described by the above related embodiments, however, the above embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the changes and decorations made without departing from the spirit and scope of the utility model are all within the patent protection scope of the utility model.

Claims

1. A spooling tension control device characterized by, The tension seat, the slide bar, the screw rod, the spring pressing plate, the fixed guide wheel assembly, the movable guide wheel assembly, the first spring, the second spring and the limiting sleeve are included. The tension seat comprises a frame body, an upper fixed plate and a lower fixed plate, and the upper fixed plate and the lower fixed plate are respectively arranged in the frame body along a first direction. One end of the slide bar is fixed to the upper fixed plate, and the other end of the slide bar is fixed to the lower fixed plate after passing through the spring pressing plate along a second direction. One end of the screw rod is fixed to the upper fixed plate, and the other end of the screw rod passes through the spring pressing plate along the second direction. The two screw nuts are arranged on the upper and lower end faces of the spring pressing plate respectively, and are used for adjusting the height position of the spring pressing plate in the second direction. The fixed guide wheel assembly is fixedly arranged on the upper part of the tension seat, and the fixed guide wheel assembly comprises a fixed shaft, a fixed guide wheel and a friction assembly. One end of the fixed shaft is inserted and fixed to the side of the frame body along the first direction, the fixed guide wheel is rotatably arranged on the other end of the fixed shaft, and one end of the friction assembly is fixed to the side of the frame body. The other end of the friction assembly is arranged on the inner side end face of the fixed guide wheel. The movable guide wheel assembly is slidably arranged below the fixed guide wheel assembly, and the movable guide wheel assembly comprises a sliding counterweight, a movable shaft and a movable guide wheel.

2. The line pay-off tension control apparatus of claim 1, wherein The sliding counterweight is slidably fixed to the slide bar, the first spring is arranged between the sliding counterweight and the spring pressing plate, the second spring is arranged between the sliding counterweight and the lower fixed plate, and the first spring and the second spring are sleeved on the slide bar.

3. The line pay-off tension control apparatus of claim 2, wherein One end of the movable shaft is inserted and fixed to the sliding counterweight along the first direction, and the movable guide wheel is rotatably arranged on the other end of the movable shaft.

4. The wireline tension control apparatus of claim 1, wherein, The limiting sleeve is inserted into the side of the frame body along the first direction, and the limiting sleeve is eccentrically rotatable around the fixed guide wheel.

5. The wireline tension control apparatus of claim 1, wherein, The fixed guide wheel is provided with a plurality of fixed guide wheels which are sequentially sleeved on the fixed shaft.

6. The wireline tension control apparatus of claim 1, wherein, The number of the movable guide wheels is one less than the number of the fixed guide wheels, and the movable guide wheels are sequentially sleeved on the movable shaft.

7. The wireline tension control device of claim 1, wherein, The fixed guide wheel is provided with three fixed guide wheels, and the movable guide wheel is provided with two movable guide wheels.

8. The wireline tension control device of claim 1, wherein, The friction assembly comprises a fixed groove seat, an adjusting bolt, an adjusting piece, a tension spring and a friction block. The fixed groove seat is inserted and fixed to the side of the frame body along the first direction, and the adjusting bolt, the adjusting piece, the tension spring and the friction block are sequentially inserted into the fixed groove seat. The friction block is arranged on the inner side end face of the fixed guide wheel along the first direction, and the adjusting bolt is threadedly connected in the fixed groove seat. The movable guide wheel assembly further comprises a linear bearing which is embedded and fixed in the sliding counterweight and sleeved on the slide bar. The movable guide wheel assembly further comprises a plurality of counterweight adding and subtracting blocks which can be fixed to the side of the sliding counterweight. The movable guide wheel assembly further comprises a baffle which is in a frame type and fixed to the other end of the movable shaft. The baffle is arranged on the lower part of the movable guide wheel. The slide bar is provided with two slide bars, and the first spring and the second spring are also respectively provided with two first springs and two second springs. The two slide bars are symmetrically arranged in the frame body.

9. The wireline tension control device of claim 1, wherein, The fixed guide wheel assembly is disposed above the upper fixed plate.

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