CN113371499A

CN113371499A - Friction roller type tension device for aluminum strip processing

Info

Publication number: CN113371499A
Application number: CN202011619770.6A
Authority: CN
Inventors: 石磊; 胡志达; 蔡卫江; 于海飞; 杨建军
Original assignee: Jiangsu Yawei Machine Tool Co Ltd
Current assignee: Jiangsu Yawei Machine Tool Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2040-12-31
Also published as: CN113371499B

Abstract

The invention discloses a friction roller type tension device for processing an aluminum strip, which comprises a rack, wherein one side of the rack is hinged with a compression roller oil cylinder, a piston rod of the compression roller oil cylinder is hinged with a rotating plate, the rotating plate is rotatably connected with the side wall of the rack, one end of the rotating plate is fixedly provided with a compression roller, one side of the rack is rotatably connected with two friction rollers, the two friction rollers are both connected with a motor, one side of one friction roller is fixedly connected with a connecting plate, one side of the connecting plate is fixedly provided with a transition plate, one end of the transition plate is fixedly provided with a large swing gear, and one side of the rack is rotatably connected with a small swing gear meshed with the large swing gear. The speed difference of the aluminum strip after longitudinal cutting can be compensated, the coiling tension and taper control can be realized, and the good surface processing quality of the strip is ensured, so that the production efficiency and the yield can be improved; the surface scratch caused by sliding between the aluminum strip and the rubber-covered roller ring can be avoided.

Description

Friction roller type tension device for aluminum strip processing

Technical Field

The invention relates to a tension device, in particular to a friction roller type tension device for processing an aluminum strip, and belongs to the technical field of aluminum strip processing.

Background

In an aluminum strip slitting machine set, the slit strip needs to be coiled under a certain tension to obtain a neat and compact coil. The tape is usually tensioned by a tensioning device to complete the winding. Due to the convexity in the aluminum strip rolling process, the linear velocity of each strip is inconsistent when the strips after longitudinal cutting are coiled; more importantly, for thin aluminum strip processing, the coiling tension needs to be controlled by taper (the coiling tension is gradually reduced along with the increase of the coiling diameter, and the speed difference between a tension device and a coiling machine is changed) so as to prevent the inner layer of the strip material from being pressed too much and generating plastic deformation. The traditional felt type and belt type tension devices cannot meet the requirement on taper control, the surface of an aluminum strip is easily scratched, and the coiling speed is limited.

Disclosure of Invention

The invention aims to provide a friction roller type tension device for processing an aluminum strip, which aims to solve the problems that the linear speed of each strip is inconsistent and the speed difference between the tension device and a coiling machine is changed) so as to prevent the inner layer of the strip from being pressed too much and generating plastic deformation.

In order to achieve the purpose, the invention provides the following technical scheme: a friction roller type tension device for processing an aluminum strip comprises a rack, wherein a compression roller oil cylinder is hinged to one side of the rack, a piston rod of the compression roller oil cylinder is hinged to a rotating plate, the rotating plate is rotatably connected with the side wall of the rack, a compression roller is fixedly arranged at one end of the rotating plate, two friction rollers are rotatably connected to one side of the rack, the two friction rollers are both connected with a motor, a connecting plate is fixedly connected to one side of one friction roller, a transition plate is fixedly arranged at one side of the connecting plate, a large swing gear is fixedly arranged at one end of the transition plate, a small swing gear meshed with the large swing gear is rotatably connected to one side of the rack, the small swing gear is driven by a hydraulic motor, a linear guide rail is fixedly arranged at the top end of the rack, a moving seat is fixedly mounted on a sliding block of the linear guide rail, and a steering roller is fixedly arranged at one end of the moving seat, the bottom end of the moving seat is hinged with a piston rod of a moving oil cylinder, and one end of the moving oil cylinder is hinged with one side of the rack.

According to a preferable technical scheme of the invention, the two friction rollers respectively comprise a main shaft, a coupler, a rotary joint, a piston seat, a piston, a return spring, a connecting pin, an outer gear ring, friction plates, rolling bodies, separating rings, rubber covered roller rings and an air pipe, an air channel is arranged inside each of the two main shafts, one end of each of the two main shafts is fixedly connected with a transmission shaft of a motor through the coupler, the other end of each of the two main shafts is fixedly provided with the rotary joint, the bottom of the other end of each of the two main shafts is provided with the piston seat, one side of each of the two piston seats is elastically connected with the piston through the return spring, the rubber covered roller rings are arranged outside the two main shafts, the friction plates are embedded between the rubber covered roller rings, the inner rings of the rubber covered roller rings are of an internal tooth-shaped structure and matched with the outer gear rings, and the outer gear rings are connected with the main shafts through the connecting pin.

As a preferable technical scheme of the invention, a rolling body is filled between the rubber-covered roller ring and the main shaft, and the rubber-covered roller ring and the main shaft are separated by a separating ring.

As a preferred technical scheme of the invention, a limiting block is fixedly arranged on one side of the rack.

In a preferred embodiment of the present invention, a guide roller is fixedly provided on one side of the frame.

Compared with the prior art, the invention has the beneficial effects that: the friction roller type tension device for processing the aluminum strip can make up the speed difference of the strip after the aluminum strip is longitudinally cut, can realize the control of the coiling tension and taper, and ensures the good surface processing quality of the strip, thereby improving the production efficiency and the yield; the surface scratch caused by sliding between the aluminum strip and the rubber-covered roller ring can be avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the rubbing roll of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

In the figure: 1. a frame; 2. a guide roller; 3. a compression roller oil cylinder; 4. a rotating plate; 5. a compression roller; 6. a rubbing roller; 61. a main shaft; 62. a coupling; 63. a rotary joint; 64. a piston seat; 65. a return spring; 66. a piston; 67. a connecting pin; 68. an outer ring gear; 69. a friction plate; 610. a rolling body; 611. a separating ring; 612. wrapping a roller ring; 613. an air tube; 7. a limiting block; 8. a connecting plate; 9. a large oscillating gear; 10. a small oscillating gear; 11. a transition plate; 12. a linear guide rail; 13. a movable seat; 14. a turning roll; 15. and moving the oil cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention provides a friction roller type tension device for aluminum strip processing, comprising a frame 1, a compression roller cylinder 3 hinged on one side of the frame 1, a rotating plate 4 hinged on a piston rod of the compression roller cylinder 3, the rotating plate 4 rotatably connected with a side wall of the frame 1, a compression roller 5 fixed on one end of the rotating plate 4, two friction rollers 6 rotatably connected on one side of the frame 1, both the two friction rollers 6 connected with a motor, a connecting plate 8 fixedly connected on one side of one friction roller 6, a transition plate 11 fixedly arranged on one side of the connecting plate 8, a large swing gear 9 fixedly arranged on one end of the transition plate 11, a small swing gear 10 rotatably connected with one side of the frame 1 and engaged with the large swing gear 9, the small swing gear 10 driven by a hydraulic motor, a linear guide rail 12 fixed on the top end of the frame 1, a moving seat 13 fixedly arranged on a slide block of the linear guide rail 12, one end of the moving seat 13 is fixedly provided with a steering roller 14, the bottom end of the moving seat 13 is hinged with a piston rod of a moving oil cylinder 15, and one end of the moving oil cylinder 15 is hinged with one side of the frame 1.

Preferably, the two friction rollers 6 each include a spindle 61, a coupling 62, a rotary joint 63, a piston seat 64, a piston 66, a return spring 65, a connecting pin 67, an outer ring gear 68, a friction plate 69, a rolling body 610, a separating ring 611, a rubber-covered roller ring 612 and an air pipe 613, air passages are provided inside the two spindles 61, one ends of the two spindles 61 are fixedly connected with a transmission shaft of a motor through the coupling 62, the other ends of the two spindles 61 are fixedly provided with the rotary joint 63, the bottom of the other ends of the two spindles 61 are provided with the piston seats 64, one sides of the two piston seats 64 are elastically connected with the pistons 66 through the return spring 65, the rubber-covered roller ring 612 is provided outside the two spindles 61, the friction plate 69 is embedded between the rubber-covered roller rings 612, the inner ring of the friction plate 69 is in an internal tooth shape and is matched with the outer ring gear 68, the outer ring gear 68 is connected with the spindles 61 through the connecting pin 67, the rotary, when the strip is ideally not convex, the speed of each strip is equal, the friction force Ff between the rubber covered roller ring 612 and the friction plate 69 is equal to the friction force Fr between the strip and the roller surface, that is: ff = Fr; when there is a convexity, in which a certain strip speed becomes high, the tension becomes high, i.e.: if Ff is less than Fr, the rubber coating roller ring 612 and the friction plate 69 slide relatively to make up for the speed difference of the strip, and the relative sliding occurs between the rubber coating roller ring 612 and the friction plate 69, so that the surface is prevented from being scratched due to the sliding between the aluminum strip and the rubber coating roller ring 612; the rolling bodies 610 are filled between the rubber-covered roller ring 612 and the main shaft 61 and are separated by the separating ring 611, so that the rubber-covered roller ring 612 can move axially and circumferentially relative to the main shaft 61; a limiting block 7 is fixedly arranged on one side of the frame 1 and plays a limiting role in limiting the position of the transition plate 11; a guide roller 2 is fixedly arranged on one side of the frame 1 and plays a role in guiding the aluminum strip to enter the tension device.

When the friction roller type tension device is used specifically, an aluminum strip enters the tension device through the guide roller 2, in a strip threading stage, the piston rod of the press roller oil cylinder 3 contracts to drive the rotating plate 4 to rotate, the press roller 5 is lifted, the piston rod of the moving oil cylinder 15 contracts to move the steering roller 14 to the rightmost end, the motor drives the friction roller 6 and the transition plate 11 at the bottom to lift, and the strip passes through the coiler smoothly to complete strip threading operation; when the device normally operates, a piston rod of a press roller oil cylinder 3 extends to press down a press roller 5, a motor drives a friction roller 6 and a transition plate 11 at the bottom to fall to a lower limiting block 7, compressed air is introduced into the two friction rollers 6 to tightly press a rubber coating roller ring 612 and a friction plate 69, a moving oil cylinder 15 drives a steering roller 14 to move leftwards to the friction roller 6 and fix the friction roller 6, a strip passes through an omega roller set, inlet tension is gradually amplified according to the Euler effect, and the tension at the steering roller 14 meets the requirement of the required tension for coiling; during coiling, the braking motor is adjusted in real time through electric closed-loop control, the rotating speed of the two friction rollers 6 is controlled, the coiling tension and taper control is realized, compressed air is introduced from the rotary joint 63 to drive the piston 66 to press the rubber coating roller ring 612 and the friction plate 69 to be relatively static, when an ideal belt material has no convexity, the speeds of the belt materials are equal, the friction force Ff between the rubber coating roller ring 612 and the friction plate 69 is equal to the friction force Fr between the belt material and the roller surface, namely: ff = Fr; when there is a convexity, in which a certain strip speed becomes high, the tension becomes high, i.e.: ff < Fr, the rubber-covered roller ring 612 and the friction plate 69 slide relatively at the moment to make up for the speed difference of the strip, and the relative sliding occurs between the rubber-covered roller ring 612 and the friction plate 69, so that the surface is prevented from being scratched due to the sliding between the aluminum strip and the rubber-covered roller ring 612.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The friction roller type tension device for processing the aluminum strip comprises a rack (1) and is characterized in that one side of the rack (1) is hinged with a compression roller oil cylinder (3), a piston rod of the compression roller oil cylinder (3) is hinged with a rotating plate (4), the rotating plate (4) is rotatably connected with the side wall of the rack (1), one end of the rotating plate (4) is fixedly provided with a compression roller (5), one side of the rack (1) is rotatably connected with two friction rollers (6), the two friction rollers (6) are both connected with a motor, one side of one friction roller (6) is fixedly connected with a connecting plate (8), one side of the connecting plate (8) is fixedly provided with a transition plate (11), one end of the transition plate (11) is fixedly provided with a large swing gear (9), one side of the rack (1) is rotatably connected with a small swing gear (10) meshed with the large swing gear (9), little swing gear (10) are through hydraulic motor drive, the fixed linear guide (12) that are equipped with in top of frame (1), the slider fixed mounting of linear guide (12) has removal seat (13), the fixed steering roll (14) that are equipped with of one end that removes seat (13), the bottom that removes seat (13) is articulated with the piston rod that removes hydro-cylinder (15), the one end that removes hydro-cylinder (15) with one side of frame (1) is articulated, one side of frame (1) is fixed and is equipped with stopper (7), one side of frame (1) is fixed and is equipped with guide roll (2).

2. The friction roller type tension device for processing aluminum strip as set forth in claim 1, wherein: the two friction rollers (6) respectively comprise a main shaft (61), a coupler (62), rotary joints (63), piston seats (64), pistons (66), a return spring (65), a connecting pin (67), an outer gear ring (68), friction plates (69), rolling bodies (610), separating rings (611), rubber-covered roller rings (612) and air pipes (613), air channels are respectively arranged inside the two main shafts (61), one ends of the two main shafts (61) are respectively and fixedly connected with a transmission shaft of a motor through the coupler (62), the other ends of the two main shafts (61) are respectively and fixedly provided with the rotary joints (63), the piston seats (64) are respectively arranged at the bottoms of the other ends of the two main shafts (61), one sides of the two piston seats (64) are respectively and elastically connected with the pistons (66) through the return spring (65), the rubber-covered roller rings (612) are respectively arranged outside the two main shafts (61), friction plates (69) are embedded between the rubber-covered roller rings (612), inner rings of the rubber-covered roller rings are of internal tooth-shaped structures and are matched with the outer gear ring (68), and the outer gear ring (68) is connected with the main shaft (61) through a connecting pin (67).

3. The friction roller type tension device for processing aluminum strip as set forth in claim 2, wherein: the rolling bodies (610) are filled between the rubber-covered roller ring (612) and the main shaft (61), and are separated by a separating ring (611).