Foil breaking device of aluminum alloy foil rolling mill

Abstract

The utility model relates to the technical field of foil rolling mills, in particular to a foil breaking device of an aluminum alloy foil rolling mill, a foil breaking mechanism comprises an air cylinder, a moving frame, a foil breaking knife and a sliding rail assembly, the air cylinder is arranged in the middle of the front side of a cross beam, a hinge seat is arranged on the lower portion of the rear side of the moving frame, and the end of a piston rod of the air cylinder is connected with the hinge seat. The foil breaking knife is arranged on the lower portion of the front side of the movable frame. The sliding rail assembly comprises a linear guide rail and a guide rail sliding block, the linear guide rail is arranged on the cross beam, and the guide rail sliding block is arranged on the movable frame and is in sliding connection with the linear guide rail; fixing frames are arranged on the inner sides of the two supporting columns, a protection plate located on the outer side of the foil breaking knife is arranged between the two fixing frames, and a safety assembly is arranged on the cross beam. According to the utility model, the aluminum foil can be cut off at the aluminum foil inlet of the aluminum foil mill, so that the broken aluminum foil is prevented from being extruded into the roll gap of the working roll under the action of inertia, and the phenomenon that aluminum foil wastes are heated and fired under high-speed friction is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of foil rolling mills, in particular to a foil breaking device for an aluminum alloy foil rolling mill. Background Art

[0002] The aluminum foil rolling mill produces aluminum foil coils of various thicknesses and widths after multiple rolling of aluminum foil blanks with a maximum thickness of 6 mm. The finished products can be used for further processing of aluminum foil, such as punching and forming containers, embossing, printing and coating, laminating, food and beverage packaging containers in daily life, packaging of medicines, cosmetics and certain special materials, as well as raw materials for the production of cables, heat exchangers, capacitors, building insulation and decorative materials.

[0003] When the aluminum foil rolling mill breaks the strip during production, the aluminum foil at the entrance of the aluminum foil rolling mill is not broken because there is no partition device between the uncoiler and the working rolls of the aluminum foil rolling mill. The subsequent aluminum foil will be squeezed into the gap between the working rolls under the action of inertia. After the working rolls rotate at a high speed, the temperature of the aluminum foil waste will rise sharply under high-speed friction, and the aluminum foil waste will heat up and catch fire under high-speed friction, posing a major safety hazard. Summary of the invention

[0004] The utility model aims to solve the problem that when the aluminum foil is broken in the production process of the existing aluminum foil rolling mill, the aluminum foil waste is easy to enter the roll gap of the working roll and heat and catch fire under high-speed friction. The utility model provides an aluminum alloy foil rolling mill foil breaking device, which can cut the aluminum foil at the aluminum foil entrance of the aluminum foil rolling mill to avoid the aluminum foil from being squeezed into the roll gap of the working roll under the action of inertia after the aluminum foil is broken, thereby avoiding the phenomenon that the aluminum foil waste is heated and caught fire under high-speed friction.

[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is: a foil breaking device for an aluminum alloy foil rolling mill, comprising two support columns and a crossbeam arranged between the two support columns, a foil breaking mechanism is arranged on the front side of the crossbeam, the foil breaking mechanism comprises a cylinder, a movable frame, a foil breaking knife and a slide rail assembly, the cylinder is arranged in the middle of the front side of the crossbeam, a hinge seat is arranged at the lower rear side of the movable frame, the piston rod end of the cylinder is connected to the hinge seat, and the foil breaking knife is arranged at the lower front side of the movable frame; the slide rail assembly comprises a linear guide rail and a guide rail slider, the linear guide rail is arranged on the crossbeam, the guide rail slider is arranged on the movable frame and is slidably connected to the linear guide rail, the cylinder drives the movable frame to perform lifting movement to drive the foil breaking knife to perform lifting movement, and the cooperation of the guide rail slider and the linear guide rail guide guides the movement of the movable frame.

[0006] A fixing frame is arranged on the inner side of the two support columns, a guard plate located on the outer side of the foil cutting knife is arranged between the two fixing frames, and a safety component is arranged on the crossbeam.

[0007] Furthermore, two cylinder seats are arranged on the crossbeam, a through hole is opened on the cylinder seat, a copper sleeve is sleeved on the cylinder, two copper sleeve shafts are symmetrically arranged on the copper sleeve, the copper sleeve shafts are inserted into the through hole on the cylinder seat, and the cylinder is fixed to the crossbeam by utilizing the cooperation between the cylinder seat and the copper sleeve shaft.

[0008] Furthermore, the number of the slide rail assemblies is two, a slider seat is symmetrically arranged on the rear side of the movable frame, the guide rail slider is bolted to the slider seat, a guide rail seat corresponding to the slider seat is symmetrically arranged on the front side of the crossbeam, and the linear guide rail is bolted to the guide rail seat.

[0009] Furthermore, a connecting frame is provided on the outer side of the guard plate, and two ends of the connecting frame are respectively connected to two fixing frames.

[0010] Furthermore, the movable frame and the guard plate are provided with latch holes, the safety component includes a small chain and a latch matching the latch hole, the upper end of the latch is provided with a lifting eye screw, one end of the small chain is connected to the lifting eye screw, and the other end is connected to the crossbeam, the latch is inserted into the latch holes on the movable frame and the guard plate to prevent the movable frame and the foil cutting knife from falling.

[0011] Furthermore, a lifting ring is symmetrically arranged on the top of the beam and a protective component is symmetrically arranged on the bottom. The protective component includes a vertical column connected to the beam, and a splash plate is arranged at the bottom of the vertical column. The lifting ring is used to facilitate the disassembly and installation of the beam.

[0012] Furthermore, a limiting assembly is symmetrically arranged on the crossbeam, the limiting assembly includes a limiting block connected to the crossbeam, a limiting stud is arranged on the limiting block, and a limiting stopper corresponding to the limiting stud is symmetrically arranged on the inner side of the mobile frame, and the position of the mobile frame is limited by the cooperation between the limiting stopper and the limiting assembly.

[0013] Through the above technical solution, the beneficial effects of the utility model are:

[0014] The utility model has a reasonable structure and good use effect. When the aluminum foil breaks, the aluminum foil can be cut off at the aluminum foil entrance of the aluminum foil rolling mill to avoid the subsequent aluminum foil from being squeezed into the roll gap of the working roll under the action of inertia after the aluminum foil breaks, thereby avoiding the phenomenon of aluminum foil waste being heated and ignited under high-speed friction.

[0015] The utility model drives a movable frame to perform lifting movement through an air cylinder, so that the movable frame drives a foil cutting knife to perform lifting movement, so as to achieve the effect of the foil cutting knife cutting aluminum foil; wherein the cooperation between the guide rail slider and the linear guide rail plays a guiding role in the movement of the movable frame; and at the same time, the guard plate plays a protective role on the foil cutting knife.

[0016] The utility model inserts the latch of the safety component into the latch holes on the movable frame and the guard plate, so as to prevent the movable frame and the foil cutting knife from falling downward when the aluminum foil rolling mill is in a shutdown state; and through the cooperation of the limit stopper and the limit component, the position of the movable frame is restricted, so that the movable frame stops rising after rising to a specified height. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a foil cutting device for an aluminum alloy foil rolling mill of the utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a foil cutting device for an aluminum alloy foil rolling mill of the utility model. Figure 2 ;

[0019] Figure 3 yes Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0020] Figure 4 yes Figure 1 Schematic diagram of the cross-sectional structure at the middle BB;

[0021] Figure 5 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 6 yes Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0023] The numbers in the accompanying drawings are: 1 is a supporting column, 2 is a crossbeam, 201 is a lifting ring, 3 is a small chain, 4 is a latch, 5 is a lifting eye screw, 6 is a limit block, 7 is a limit stud, 8 is a limit block, 9 is a cylinder seat, 901 is a through hole, 10 is a cylinder, 11 is a copper sleeve, 12 is a copper sleeve shaft, 13 is a guide rail seat, 1301 is a linear guide rail, 14 is a movable frame, 15 is a slider seat, 1501 is a guide rail slider, 16 is a hinged seat, 17 is a foil cutting knife, 18 is a fixed frame, 19 is a guard plate, 20 is a connecting frame, 21 is a vertical column, and 22 is a splash plate. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] like Figure 1 to Figure 6As shown, a foil breaking device for an aluminum alloy foil rolling mill comprises two support columns 1 and a crossbeam 2 arranged between the two support columns 1. The foil breaking device can be installed at the aluminum foil inlet of the aluminum foil rolling mill frame through the two support columns 1. The two ends of the crossbeam 2 are respectively bolted to the two support columns 1. A foil breaking mechanism is arranged on the front side of the crossbeam 2. The foil breaking mechanism comprises a cylinder 10, a moving frame 14, a foil breaking knife 17 and a slide rail assembly. The cylinder 10 is arranged in the middle of the front side of the crossbeam 2. A hinge seat 16 is arranged at the lower rear side of the moving frame 14. The hinge seat 16 is located in the middle of the inner side of the moving frame 14. The hinge seat 16 comprises a fixed seat in a "U" structure. A pin is installed in the fixed seat. The piston rod end of the cylinder 10 is connected to the hinge seat 16, wherein the cylinder 10 is provided with a hinge seat 16. A fisheye joint is installed at the end of the piston rod of the cylinder 10, and the fisheye joint is mounted on the pin shaft. The piston rod of the cylinder 10 is hinged to the hinge seat 16 through the cooperation of the fisheye joint and the pin shaft. The foil breaking knife 17 is arranged at the front lower part of the movable frame 14, and the bottom of the foil breaking knife 17 is an arc-shaped mechanism. The height of the bottom of the movable frame 14 is higher than the height of the bottom of the foil breaking knife 17; the slide rail assembly includes a linear guide rail 1301 and a guide rail slider 1501, the linear guide rail 1301 is arranged on the crossbeam 2, the guide rail slider 1501 is arranged on the movable frame 14 and is slidably connected to the linear guide rail 1301, and the cooperation between the guide rail slider 1501 and the linear guide rail 1301 guides the movement of the movable frame 14 and facilitates the lifting movement of the movable frame 14.

[0026] A fixing frame 18 is provided on the inner side of the two support columns 1, and the fixing frame 18 is bolted to the support column 1. A guard plate 19 located on the outside of the foil breaking knife 17 is provided between the two fixing frames 18. The guard plate 19 protects the foil breaking knife 17. The end of the guard plate 19 is bolted to the fixing frame 18. A safety component is provided on the crossbeam 2.

[0027] Two cylinder seats 9 are arranged on the crossbeam 2, and the cylinder seats 9 are bolted to the crossbeam 2. A through hole 901 is opened on the cylinder seat 9. A copper sleeve 11 is sleeved on the cylinder 10, and two copper sleeve shafts 12 are symmetrically arranged on the copper sleeve 11. The copper sleeve shaft 12 is inserted into the through hole 901 on the cylinder seat 9. The copper sleeve shaft 12 cooperates with the cylinder seat 9 to fix the cylinder 10.

[0028] The number of the slide rail assemblies is two. A slider seat 15 is symmetrically arranged on the rear side of the movable frame 14. The guide rail slider 1501 is bolted to the slider seat 15. A guide rail seat 13 corresponding to the slider seat 15 is symmetrically arranged on the front side of the crossbeam 2. The linear guide rail 1301 is bolted to the guide rail seat 13.

[0029] A connecting frame 20 is disposed on the outer side of the guard plate 19 . The width of the connecting frame 20 is smaller than that of the guard plate 19 . Both ends of the connecting frame 20 are connected to two fixing frames 18 respectively.

[0030] The movable frame 14 and the guard plate 19 are both provided with latch holes, the safety component comprises a small chain 3 and a latch 4 matching the latch hole, the upper end of the latch 4 is provided with a lifting eye screw 5, one end of the small chain 3 is connected to the lifting eye screw 5, and the other end is connected to the crossbeam 2, the small chain 3 is welded and fixed on the crossbeam 2, when the movable frame 14 rises to the highest point, the through hole on the movable frame 14 corresponds to the through hole on the guard plate 19, at this time, the latch 4 is inserted into the through hole, which can prevent the movable frame 14 and the foil cutting knife 17 from falling downward.

[0031] The top of the crossbeam 2 is symmetrically provided with a lifting ring 201, and the bottom is symmetrically provided with a protective component, the protective component includes a vertical column 21 connected to the crossbeam 2, and the bottom of the vertical column 21 is provided with a splash plate 22. In this embodiment, the number of the lifting ring 201 and the protective component are both two, and the lifting ring 201 is convenient for installing and disassembling the crossbeam 2, wherein both ends of the splash plate 22 are inclined downward in the direction of aluminum foil transmission to facilitate the threading operation of the aluminum foil, and at the same time, the aluminum foil can be cut when the foil cutting knife 17 falls.

[0032] A limiting assembly is also symmetrically arranged on the crossbeam 2, and the limiting assembly includes a limiting block 6 connected to the crossbeam 2, a limiting stud 7 is arranged on the limiting block 6, nuts are installed on the upper and lower parts of the limiting stud 7, and the limiting stud 7 is fixed to the limiting block 6 by the nuts, and a limiting stopper 8 corresponding to the limiting stud 7 is symmetrically arranged on the inner side of the moving frame 14. When the limiting stopper 8 contacts the bottom of the limiting stud 7, the moving frame 14 moves to the highest position.

[0033] It should be noted that the utility model controls the cylinder 10 through the cooperation of the PLC controller and the DC speed regulating device, and adopts the SIMPREG DC speed regulating device of Siemens Electric Drive Co., Ltd. The DC speed regulating device controls the DC motor for unwinding the aluminum foil and feeds back a current signal to the PLC controller. The PLC controller converts the absolute value of the tension of the aluminum foil sheet according to the current size, and converts the unit tension of the aluminum foil sheet by dividing the absolute value of the tension of the aluminum foil sheet by the cross-sectional area of ​​the aluminum foil sheet. When the unit tension of the aluminum foil sheet is less than 1.0Kg / mm2 and the line speed is less than 180m / min, the PLC controller controls the cylinder 10 to start so that the foil cutting knife 17 can quickly cut the aluminum foil.

[0034] The working principle of the utility model is as follows: when the aluminum foil rolling mill is in a shutdown state, the cylinder 10 lifts the movable frame 1 to the highest point, the through hole on the movable frame 14 corresponds to the through hole on the guard plate 19, and then the latch 4 is inserted into the through hole on the movable frame 14 and the guard plate 19. When the aluminum foil rolling mill is in the start-up state, the latch 4 is pulled out from the through hole on the movable frame 14 and the guard plate 19; when the aluminum foil rolling mill is in normal production and rolling, the movable frame 14 and the foil cutting knife 17 are raised.

[0035] When the aluminum foil breaks during the production process of the aluminum foil rolling mill, the piston rod of the cylinder 10 drives the movable frame 14 to move downward, the guide rail slider 1501 slides downward on the linear guide rail 1301, and the movable frame 14 drives the foil breaking knife 17 to move downward. The foil breaking knife 17 falls quickly to cut the aluminum foil. After stopping for a period of time, the piston rod of the cylinder 10 drives the movable frame 14 and the foil breaking knife 17 to move upward. When the limit block 8 contacts the limit stud 7, the movable frame 14 stops moving upward, and the foil breaking work is completed.

[0036] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A foil cutting device for an aluminum alloy foil rolling mill, comprising two support columns (1) and a crossbeam (2) arranged between the two support columns (1), characterized in that: A foil breaking mechanism is arranged at the front side of the crossbeam (2), the foil breaking mechanism comprising a cylinder (10), a movable frame (14), a foil breaking knife (17) and a slide rail assembly, the cylinder (10) being arranged at the middle of the front side of the crossbeam (2), a hinge seat (16) being arranged at the lower rear side of the movable frame (14), the piston rod end of the cylinder (10) being connected to the hinge seat (16), and the foil breaking knife (17) being arranged at the lower front side of the movable frame (14); the slide rail assembly comprising a linear guide rail (1301) and a guide rail slider (1501), the linear guide rail (1301) being arranged on the crossbeam (2), and the guide rail slider (1501) being arranged on the movable frame (14) and being slidably connected to the linear guide rail (1301); A fixing frame (18) is arranged on the inner side of the two support columns (1), a guard plate (19) is arranged between the two fixing frames (18) and is located outside the foil cutting knife (17), a latch hole is provided on the movable frame (14) and the guard plate (19), a safety component is arranged on the crossbeam (2), the safety component comprises a small chain (3) and a latch (4) matching the latch hole, an eye screw (5) is arranged on the upper end of the latch (4), one end of the small chain (3) is connected to the eye screw (5), and the other end is connected to the crossbeam (2); A protective component is symmetrically arranged at the bottom of the crossbeam (2), the protective component comprising a vertical column (21) connected to the crossbeam (2), a splash plate (22) is arranged at the bottom of the vertical column (21), and both ends of the splash plate (22) are arranged to be inclined downward in the direction of aluminum foil transmission; A limit assembly is also symmetrically arranged on the crossbeam (2), the limit assembly comprising a limit block (6) connected to the crossbeam (2), a limit stud (7) being arranged on the limit block (6), and a limit stopper (8) corresponding to the limit stud (7) being symmetrically arranged on the inner side of the movable frame (14).

2. The aluminum alloy foil rolling mill foil cutting device according to claim 1, characterized in that: Two cylinder seats (9) are arranged on the crossbeam (2), a through hole (901) is opened on the cylinder seat (9), a copper sleeve (11) is sleeved on the cylinder (10), two copper sleeve shafts (12) are symmetrically arranged on the copper sleeve (11), and the copper sleeve shafts (12) are inserted into the through hole (901) on the cylinder seat (9).

3. The aluminum alloy foil rolling mill foil cutting device according to claim 1, characterized in that: The number of the slide rail assemblies is two, a slider seat (15) is symmetrically arranged on the rear side of the movable frame (14), the guide rail slider (1501) is bolted to the slider seat (15), a guide rail seat (13) corresponding to the slider seat (15) is symmetrically arranged on the front side of the crossbeam (2), and the linear guide rail (1301) is bolted to the guide rail seat (13).

4. The aluminum alloy foil rolling mill foil cutting device according to claim 1, characterized in that: A connecting frame (20) is provided on the outer side of the guard plate (19), and two ends of the connecting frame (20) are respectively connected to two fixing frames (18).

5. The aluminum alloy foil rolling mill foil cutting device according to claim 1, characterized in that: A lifting ring (201) is symmetrically arranged on the top of the crossbeam (2).

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