CN217102364U

CN217102364U - A dislocation double-roll mechanism for aluminum product production

Info

Publication number: CN217102364U
Application number: CN202122004782.4U
Authority: CN
Inventors: 吴杰
Original assignee: Tianjin Huaaluminum Metal Technology Co ltd
Current assignee: Tianjin Huaaluminum Metal Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-08-02
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a dislocation pair roller mechanism for aluminum product production, which comprises a frame, wherein the frame is erected on the ground, and the dislocation pair roller mechanism also comprises a lifting mechanism, a movable roller mechanism, a movable shaft mechanism and a fixed roller mechanism, the lifting mechanism is positioned at the upper end of the frame, the movable roller mechanism is positioned at the upper part of the inner side of the frame and positioned at the lower part of the lifting mechanism, the movable shaft mechanism is positioned at one side of the frame and arranged side by side with the movable roller mechanism, and the fixed roller mechanism is positioned at the lower part of the inner side of the frame and arranged in a dislocation way with the movable roller mechanism, the utility model has the advantages of simple structure, the movable roller mechanism is matched with the fixed roller mechanism to form a dislocation pair roller form, the pair roller mechanism adopts the arrangement mode of dislocation pair rollers, the aluminum product can be effectively prevented from falling off in the processing process, the matching precision between the aluminum product and the equipment can be improved, and a split structure is adopted between the movable roller mechanism and the fixed roller mechanism, the spacing between the roll mechanism is convenient for adjust, and the applicable circumstances is diversified, can process the aluminum product of multiple specification.

Description

A dislocation double-roll mechanism for aluminum product production

Technical Field

The utility model belongs to the technical field of the aluminum product production technique and specifically relates to a dislocation is to roller mechanism for aluminum product production.

Background

In the prior art, the aluminum-plastic plate not only keeps the main characteristics of the original composition materials (metal aluminum and nonmetal polyethylene plastics), but also overcomes the defects of the original composition materials, thereby obtaining a plurality of excellent material properties, such as luxury, colorful decoration, weather resistance, corrosion resistance, wound resistance, fire resistance, moisture resistance, sound insulation, heat insulation and shock resistance; light weight, easy processing and forming, easy transportation and installation, etc. Therefore, the aluminum-plastic panel is widely used for various architectural decorations, such as ceilings, pillars, counters, furniture, telephone kiosks, elevators, storefronts, billboards, factory wall materials, etc., and is a representative of metal curtain walls (natural stone, glass curtain walls, metal curtain walls) among three curtain walls, and in developed countries, the aluminum-plastic panel is also used for manufacturing buses and train cars, sound insulation materials for airplanes and ships, design instrument cases, etc. The aluminum-plastic plate is formed by compounding multiple layers of materials, the upper layer and the lower layer are high-purity aluminum alloy plates, the middle layer is a non-toxic low-density Polyethylene (PE) core plate, and the front surface of the aluminum-plastic plate is also adhered with a protective film. For outdoor use, the front surface of the aluminum-plastic plate is coated with fluorocarbon resin (PVDF) coating, and for indoor use, the front surface of the aluminum-plastic plate can adopt non-fluorocarbon resin coating. The existing roll-to-roll mechanism adopted in the production process of the aluminum product is usually a parallel roll-to-roll arrangement mode, the aluminum product is easy to fall off from a gap between the roll-to-roll in the machining process due to the arrangement mode, the problem of low matching precision between the aluminum product and equipment occurs, the existing roll-to-roll mechanism is usually of an integrated structure, the distance between the roll-to-roll is not convenient to adjust, the application condition is single, and the equipment is not convenient to maintain when the equipment breaks down.

The application numbers are: 201220022979.9 discloses a brush roller suitable for aluminum-plastic panel production, including rubber roll, motor reducer, the adjustable cylinder of stroke, support, guide rail and spherical outside surface ball bearing, wherein, motor reducer is connected at the both ends of rubber roll, and motor reducer's upper end is equipped with the adjustable cylinder of stroke, and the adjustable cylinder of stroke is connected on the support, and spherical outside surface ball bearing is connected to the lower extreme of the adjustable cylinder of stroke, and the inboard both ends of support are equipped with the guide rail. However, when the brush roller suitable for aluminum-plastic plate production is applied to the aluminum production process, the arrangement mode of the parallel rollers is needed, the aluminum material is easy to fall off from the gap between the rollers in the machining process due to the arrangement mode, the problem that the matching precision between the aluminum material and equipment is low is caused, and the brush roller is of an integrated structure, so that the distance between the rollers is inconvenient to adjust, the application condition is single, and the maintenance is inconvenient when the equipment breaks down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dislocation is to roller mechanism for aluminum product production.

In order to achieve the above object, the present invention provides a technical solution:

the utility model provides a dislocation is to roller mechanism for aluminum product production, includes the frame, the frame erects subaerial, still including be arranged in taking movable roll mechanism and moving axis mechanism to carry out the elevating system that goes up and down, be arranged in constituting the movable roll mechanism of movable roll part in the roller mechanism, be arranged in with movable roll mechanism complex movable axis mechanism and be arranged in constituting the fixed roll mechanism of fixed roll part in the roller mechanism, elevating system is located the frame upper end, movable roll mechanism are located inboard upper portion of frame just is located the elevating system lower part, and the movable axis mechanism is located frame one side just sets up side by side with movable roll mechanism, and fixed roll mechanism is located inboard lower part of frame just with movable roll mechanism dislocation set.

Elevating system includes lift cylinder, lift connecting plate and lifting support, the lift cylinder has two, two the lift cylinder symmetry sets up frame upper portion both ends and with frame fixed connection, the output of lift cylinder runs through the frame sets up downwards, the lift connecting plate corresponds two the lift cylinder has two, two the lift connecting plate sets up respectively two the output of lift cylinder and with correspond the output fixed connection of lift cylinder, the lifting support corresponds two the lift connecting plate has two, two the lifting support sets up respectively two the bottom of lift connecting plate and with correspond lift connecting plate fixed connection, two the lifting support all is located inside the frame.

The movable roll mechanism comprises a movable roll shaft and a movable roll sleeve, the movable roll shaft is arranged between two lifting supports, two ends of the movable roll shaft are respectively rotatably connected with the two lifting supports, two ends of the movable roll shaft are rotatably connected with the corresponding lifting supports through bearings, and the movable roll sleeve is arranged outside the middle of the movable roll shaft and fixedly connected with the movable roll shaft.

The movable shaft mechanism comprises two movable shaft supporting frames and two movable shafts, the two movable shaft supporting frames are respectively arranged on one side of two lifting supports and one end of each lifting support is fixedly connected with the corresponding lifting support, the two movable shafts are arranged on the two movable shaft supporting frames, one ends of the two movable shaft supporting frames are far away from the lifting supports, the two ends of the two movable shaft supporting frames are respectively fixedly connected with the two movable shaft supporting frames, the two movable shafts are arranged between the two movable shaft supporting frames, the movable shafts are arranged on the outer side of the rack, and the movable shafts are in transmission connection with the movable roller shafts through transmission belts.

Still include the lift slide rail, the lift slide rail corresponds two the moving axis support frame has two, two the lift slide rail sets up respectively the inboard both ends of frame and with frame fixed connection, the lift slide rail corresponds moving axis support frame sets up with the lifting support junction, two the moving axis support frame corresponds two lifting support's junction and two lifting slide rail sliding connection.

The speed reducer is characterized by further comprising two speed reducers, the two speed reducers correspond to the two movable shaft supporting frames, the two speed reducers are arranged on the outer sides of the two movable shaft supporting frames and are fixedly connected with the corresponding movable shaft supporting frames, and the output ends of the two speed reducers are in transmission connection with the two ends of the movable shaft respectively.

Fixed roll mechanism includes fixed bolster, fixed roller and fixed roller cover, the fixed bolster has two, two the fixed bolster corresponds with two lifting support respectively and sets up side by side, two the fixed bolster sets up respectively the inboard both ends lower part of frame and with frame fixed connection, fixed roller sets up two between the fixed bolster and its both ends rotate through bearing and two fixed bolsters respectively and be connected, fixed roller and removal roller dislocation set, the fixed roller cover sets up fixed roller middle part outside and with fixed roller fixed connection, fixed roller cover and removal roller cover dislocation set.

Still include complementary unit, complementary unit includes auxiliary stand and supplementary hydraulic stem, the auxiliary stand has two sets ofly, every group the auxiliary stand comprises two auxiliary stands that set up side by side, and is two sets of the auxiliary stand sets up respectively in lifting support and fixed bolster be close to one side of removal axle and with corresponding lifting support or fixed bolster fixed connection, supplementary hydraulic stem has two, two supplementary hydraulic stem symmetry sets up two sets of between the auxiliary stand, two the both ends of supplementary hydraulic stem respectively with set up the auxiliary stand fixed connection on lifting support and fixed bolster.

Still include the base, the base setting is in the frame bottom and with frame fixed connection, the frame passes through the base erects subaerial.

The base is provided with a plurality of mounting holes, the mounting holes penetrate through the base, and the base can be fixed through the mounting holes.

The utility model has the advantages that:

simple structure, be equipped with movable roll mechanism and fixed roll mechanism cooperation, constitute dislocation pair roller form, the arrangement mode of dislocation pair roller is adopted to pair roller mechanism, can effectively avoid the aluminum product to drop in the course of working, and can promote the cooperation precision between aluminum product and the equipment, equipment adopts split type structure, be convenient for adjust the interval between the pair roller mechanism, it is nimble to use, the application conditions is diversified, can process the aluminum product of multiple specification, split type structure is convenient for maintain, be equipped with complementary unit in addition, can effectively promote the lift stability in the aluminum product course of working, therefore, the clothes hanger is strong in practicability.

Drawings

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

FIG. 2 is a schematic view of the lifting mechanism of the present invention cooperating with the movable roller mechanism, the movable shaft mechanism and the fixed roller mechanism;

fig. 3 is a schematic view of the auxiliary mechanism and the frame of the present invention.

In the figure: 1. a frame; 2. a lifting cylinder; 3. lifting the connecting plate; 4. a lifting support; 5. moving the roll shaft; 6. moving the roller sleeve; 7. a moving shaft support frame; 8. a movable shaft; 9. lifting the slide rail; 10. a speed reducer; 11. Fixing a bracket; 12. fixing the roll shaft; 13. fixing the roller sleeve; 14. an auxiliary support; 15. an auxiliary hydraulic lever; 16. a base; 17. and (7) installing holes.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings,

the utility model provides a dislocation is to roller mechanism for aluminum product production, including frame 1, frame 1 erects subaerial, still including being used for taking movable roll mechanism and moving axis mechanism to carry out the elevating system that goes up and down, a movable roll mechanism for constituting the moving roll part in the roller mechanism, a fixed roll mechanism for constituting the fixed roll part in the roller mechanism with movable roll mechanism complex moving axis mechanism and being used for, elevating system is located 1 upper end of frame, the movable roll mechanism is located 1 inboard upper portions of frame and is located the elevating system lower part, the moving axis mechanism is located 1 one side of frame and sets up side by side with the movable roll mechanism, the fixed roll mechanism is located 1 inboard lower parts of frame and sets up with the dislocation of movable roll mechanism, the utility model discloses the overall structure schematic diagram is shown in fig. 1.

The lifting mechanism comprises two lifting cylinders 2, two lifting connecting plates 3 and two lifting supports 4, wherein the two lifting cylinders 2 are symmetrically arranged at two ends of the upper part of a frame 1 and are fixedly connected with the frame 1, the output ends of the lifting cylinders 2 penetrate through the frame 1 and are downwards arranged, the two lifting connecting plates 3 correspond to the two lifting cylinders 2, the two lifting connecting plates 3 are respectively arranged at the output ends of the two lifting cylinders 2 and are fixedly connected with the output ends of the corresponding lifting cylinders 2, the two lifting supports 4 correspond to the two lifting connecting plates 3, the two lifting supports 4 are respectively arranged at the bottoms of the two lifting connecting plates 3 and are fixedly connected with the corresponding lifting connecting plates 3, the two lifting supports 4 are positioned in the frame 1, and the lifting mechanism drives a movable roller mechanism and a movable shaft mechanism to lift through the cooperation of the lifting cylinders 2, the lifting connecting plates 3 and the lifting supports 4, wherein, lift cylinder 2 is used for driving lift connecting plate 3 through its output and goes up and down the action, and lift connecting plate 3 is used for being connected lift support 4 and lift cylinder 2's output when providing erection bracing for lift support 4, and lift support 4 is used for driving roller mechanism and moving axis mechanism and is going up and down the action with moving axis mechanism under lift cylinder 2's effect when providing erection bracing for moving roll mechanism and moving axis mechanism, the utility model discloses lift mechanism and moving roll mechanism, moving axis mechanism and fixed roll mechanism cooperation sketch map are shown in fig. 2.

The movable roll mechanism comprises a movable roll shaft 5 and a movable roll sleeve 6, the movable roll shaft 5 is arranged between two lifting supports 4, two ends of the movable roll shaft 5 are respectively rotatably connected with the two lifting supports 4, two ends of the movable roll shaft 5 are rotatably connected with the corresponding lifting supports 4 through bearings, the movable roll sleeve 6 is arranged on the outer side of the middle of the movable roll shaft 5 and is fixedly connected with the movable roll shaft 5, the movable roll mechanism is matched with the movable roll sleeve 6 through the movable roll shaft 5, the movable roll sleeve moves under the action of the lifting mechanisms, and therefore the distance between the movable roll sleeve and the fixed roll mechanism is adjusted, wherein the movable roll shaft 5 is used for providing mounting support for the movable roll sleeve 6, the movable roll sleeve 6 is used for being rotatably connected with the lifting supports 4 through the movable roll shaft 5, and accordingly a movable roll part in the roll mechanism is formed.

The moving axis mechanism includes moving axis support frame 7 and removal axle 8, moving axis support frame 7 has two, two moving axis support frames 7 set up respectively in two lifting support 4 one sides and its one end and the lifting support 4 fixed connection who corresponds, remove axle 8 and set up and keep away from lifting support 4's one end and its both ends respectively with two moving axis support frame 7 fixed connection at two moving axis support frames 7, it is located between two moving axis support frames 7 to remove axle 8, it is located the 1 outside of frame to remove axle 8, it is connected with removal roller 5 transmission through the drive belt to remove axle 8, moving axis mechanism passes through moving axis support frame 7 and removes the cooperation of axle 8, the drive moves roller mechanism and rotates, wherein, moving axis support frame 7 is used for providing the erection bracing for removing axle 8, it is used for driving roller mechanism to rotate to remove axle 8.

Still include lift slide rail 9, lift slide rail 9 corresponds two moving axis support frames 7 has two, two lift slide rail 9 set up respectively at 1 inboard both ends in the frame and with frame 1 fixed connection, lift slide rail 9 sets up with the moving axis support frame 7 and lifting support 4 junction, two moving axis support frames 7 correspond the junction and two lift slide rail 9 sliding connection of two lifting support frames 4, wherein, lift slide rail 9 is used for providing the lift orbit for moving axis support frame 7 at the lift in-process, prevent that moving axis support frame 7 from appearing the skew at the lift in-process.

The speed reducer is characterized by further comprising two speed reducers 10, the two speed reducers 10 correspond to the two movable shaft supporting frames 7, the two speed reducers 10 are respectively arranged on the outer sides of the two movable shaft supporting frames 7 and fixedly connected with the corresponding movable shaft supporting frames 7, the output ends of the two speed reducers 10 are respectively in transmission connection with the two ends of the movable shaft 8, the speed reducers 10 are used for being connected with the movable shaft 8, and rotating speed between the motor and the speed reducers 10 is adjusted.

The fixed roll mechanism comprises fixed supports 11, fixed roll shafts 12 and fixed roll sleeves 13, the number of the fixed supports 11 is two, the two fixed supports 11 are respectively arranged in parallel corresponding to the two lifting supports 4, the two fixed supports 11 are respectively arranged at the lower parts of the two ends of the inner side of the frame 1 and fixedly connected with the frame 1, the fixed roll shafts 12 are arranged between the two fixed supports 11, the two ends of the fixed roll shafts are respectively rotatably connected with the two fixed supports 11 through bearings, the fixed roll shafts are arranged in a staggered mode with the movable roll shaft 5, the fixed roll sleeves 13 are arranged at the outer side of the middle part of the fixed roll shafts 12 and fixedly connected with the fixed roll shafts 12, the fixed roll sleeves 13 are arranged in a staggered mode with the movable roll sleeves 6, the fixed roll mechanism is matched with the fixed supports 11, the fixed roll shafts 12 and the fixed roll sleeves 13 to form a fixed roll part in the roll mechanism, wherein the fixed supports 11 are used for providing mounting support for the fixed roll shafts 12, the fixed roll shafts 12 are used for providing mounting support for the fixed roll sleeves 13, the fixed roller sleeve 13 is used for being rotatably connected with the fixed bracket 11 under the action of the fixed roller shaft 12, so as to form a fixed roller part in the roller mechanism.

The lifting device also comprises an auxiliary mechanism, the auxiliary mechanism comprises an auxiliary support 14 and auxiliary hydraulic rods 15, two groups of auxiliary supports 14 are provided, each group of auxiliary supports 14 consists of two auxiliary supports 14 which are arranged side by side, the two groups of auxiliary supports 14 are respectively arranged at one side of the lifting support 4 and one side of the fixed support 11 which are close to the moving shaft 8 and are fixedly connected with the corresponding lifting support 4 or the fixed support 11, two groups of auxiliary hydraulic rods 15 are provided, the two groups of auxiliary hydraulic rods 15 are symmetrically arranged between the two groups of auxiliary supports 14, two ends of the two auxiliary hydraulic rods 15 are respectively and fixedly connected with the auxiliary supports 14 arranged on the lifting support 4 and the fixed support 11, the auxiliary mechanism is matched with the auxiliary supports 14 and the auxiliary hydraulic rods 15 to carry out auxiliary limiting on the lifting path in the lifting process, wherein the auxiliary supports 14 are used for providing mounting support for the auxiliary hydraulic rods 15 and simultaneously connecting two ends of the auxiliary hydraulic rods 15 with the lifting support 4 and the fixed support 11, the supplementary hydraulic stem 15 is used for assisting spacingly to the lift route of lift in-process, the utility model discloses complementary unit and frame cooperation sketch map are shown in fig. 3.

The rack is characterized by further comprising a base 16, wherein the base 16 is arranged at the bottom of the rack 1 and fixedly connected with the rack 1, the rack 1 is erected on the ground through the base 16, and the base 16 is used for providing mounting support for the rack 1.

The base 16 is provided with a plurality of mounting holes 17, the mounting holes 17 penetrate through the base 16, and the base 16 can be fixed through the mounting holes 17, wherein the mounting holes 17 are used for fixing the base 16 at a specified position, so that the equipment is fixed at the specified position.

The working principle is as follows:

the moving roller mechanism and the fixed roller mechanism are arranged in a staggered mode, the aluminum product can be effectively prevented from falling off in the machining process, the moving roller mechanism is driven by the lifting mechanism to move up and down, the distance between the moving roller mechanism and the fixed roller mechanism can be adjusted, the aluminum products of different specifications are machined, the moving shaft mechanism and the moving roller mechanism are arranged side by side, the driving mechanism can be used as a transmission mechanism between the moving roller mechanism and a motor, the auxiliary mechanism can assist and limit the lifting path, the lifting precision is improved, the matching precision between the mechanisms is high, and the overall stability of the device is good.

The beneficial effects of the utility model are that simple structure, be equipped with movable roll mechanism and the cooperation of fixed roll mechanism, constitute dislocation pair roller form, the arrangement mode of dislocation pair roller is adopted to pair roller mechanism, can effectively avoid the aluminum product to drop in the course of working, and can promote the cooperation precision between aluminum product and the equipment, equipment adopts split type structure, be convenient for adjust the interval between the pair roller mechanism, it is nimble to use, the application condition is diversified, can process the aluminum product of multiple specification, split type structure is convenient for maintain, be equipped with complementary unit in addition, can effectively promote the lift stability in the aluminum product course of working, therefore, the clothes hanger is strong in practicability.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a dislocation is to roller mechanism for aluminum product production, includes frame (1), frame (1) erects subaerial, its characterized in that, still including be arranged in driving roller mechanism and moving axis mechanism carry out the elevating system that goes up and down, be arranged in constituting the moving roll mechanism of moving roll part in the roller mechanism, be arranged in with moving roll mechanism complex moving axis mechanism and be arranged in constituting the fixed roll mechanism of fixed roll part in the roller mechanism, elevating system is located frame (1) upper end, moving roll mechanism is located frame (1) inboard upper portion just is located the elevating system lower part, moving axis mechanism is located frame (1) one side just sets up side by side with moving roll mechanism, fixed roll mechanism is located frame (1) inboard lower part just with moving roll mechanism dislocation set.

2. The staggered roll-aligning mechanism for aluminum production as recited in claim 1, wherein the lifting mechanism comprises two lifting cylinders (2), two lifting connecting plates (3) and two lifting brackets (4), the two lifting cylinders (2) are symmetrically arranged at two ends of the upper part of the frame (1) and are fixedly connected with the frame (1), the output ends of the lifting cylinders (2) penetrate through the frame (1) to be arranged downwards, the two lifting connecting plates (3) correspond to the two lifting cylinders (2), the two lifting connecting plates (3) are respectively arranged at the output ends of the two lifting cylinders (2) and are fixedly connected with the output ends of the corresponding lifting cylinders (2), the two lifting brackets (4) correspond to the two lifting connecting plates (3), and the two lifting brackets (4) are respectively arranged at the bottoms of the two lifting connecting plates (3) and are fixedly connected with the opposing pair of the lifting connecting plates (3) The lifting connecting plate (3) is fixedly connected, and the two lifting supports (4) are located inside the rack (1).

3. The staggered roll pair mechanism for aluminum production as set forth in claim 1, characterized in that the roll mechanism comprises a moving roll shaft (5) and a moving roll sleeve (6), the moving roll shaft (5) is arranged between the two lifting brackets (4) and both ends of the moving roll shaft are respectively rotatably connected with the two lifting brackets (4), both ends of the moving roll shaft (5) are rotatably connected with the corresponding lifting brackets (4) through bearings, and the moving roll sleeve (6) is arranged outside the middle part of the moving roll shaft (5) and is fixedly connected with the moving roll shaft (5).

4. The offset roll pair mechanism for aluminum product production as claimed in claim 1, wherein the movable shaft mechanism comprises two movable shaft support frames (7) and two movable shafts (8), the two movable shaft support frames (7) are respectively arranged at one side of the two lifting brackets (4) and one end of each movable shaft support frame is fixedly connected with the corresponding lifting bracket (4), the movable shaft (8) is arranged at one end of each movable shaft support frame (7) far away from the lifting brackets (4) and two ends of each movable shaft support frame are respectively fixedly connected with the two movable shaft support frames (7), the movable shaft (8) is arranged between the two movable shaft support frames (7), the movable shaft (8) is arranged at the outer side of the frame (1), and the movable shaft (8) is in transmission connection with the movable roller shaft (5) through a transmission belt.

5. The staggered roll-aligning mechanism for aluminum production as claimed in claim 4, further comprising two lifting slide rails (9), wherein the two lifting slide rails (9) correspond to the two movable shaft support frames (7), the two lifting slide rails (9) are respectively disposed at two ends of the inner side of the frame (1) and are fixedly connected with the frame (1), the lifting slide rails (9) correspond to the joints of the movable shaft support frames (7) and the lifting brackets (4), and the two movable shaft support frames (7) correspond to the joints of the two lifting brackets (4) and are slidably connected with the two lifting slide rails (9).

6. The offset roll aligning mechanism for aluminum product production according to claim 4, further comprising two speed reducers (10), wherein the two speed reducers (10) correspond to the two movable shaft support frames (7), the two speed reducers (10) are respectively arranged at the outer sides of the two movable shaft support frames (7) and are fixedly connected with the corresponding movable shaft support frames (7), and the output ends of the two speed reducers (10) are respectively in transmission connection with the two ends of the movable shaft (8).

7. The staggered roll-aligning mechanism for aluminum production according to claim 1, wherein the fixed roll mechanism comprises two fixed supports (11), two fixed roll shafts (12) and two fixed roll sleeves (13), the two fixed supports (11) are respectively arranged in parallel corresponding to the two lifting supports (4), the two fixed supports (11) are respectively arranged at the lower parts of the two ends of the inner side of the frame (1) and fixedly connected with the frame (1), the fixed roll shafts (12) are arranged between the two fixed supports (11) and are respectively rotatably connected with the two fixed supports (11) through bearings, the fixed roll shafts are staggered with the movable roll shaft (5), the fixed roll sleeves (13) are arranged at the outer side of the middle part of the fixed roll shafts (12) and are fixedly connected with the fixed roll shafts (12), the fixed roller sleeve (13) and the movable roller sleeve (6) are arranged in a staggered mode.

8. The offset roll pair mechanism for aluminum production as recited in claim 1, further comprising an auxiliary mechanism including an auxiliary bracket (14) and an auxiliary hydraulic lever (15), the auxiliary supports (14) are divided into two groups, each group of auxiliary supports (14) consists of two auxiliary supports (14) arranged side by side, the two groups of auxiliary supports (14) are respectively arranged on one sides of the lifting support (4) and the fixed support (11) close to the moving shaft (8) and are fixedly connected with the corresponding lifting support (4) or the fixed support (11), the two auxiliary hydraulic rods (15) are symmetrically arranged between the two sets of auxiliary supports (14), and two ends of the two auxiliary hydraulic rods (15) are fixedly connected with the auxiliary supports (14) arranged on the lifting support (4) and the fixed support (11) respectively.

9. The offset roll-aligning mechanism for aluminum production as recited in claim 1 further comprising a base (16), wherein the base (16) is disposed at the bottom of the frame (1) and is fixedly connected with the frame (1), and the frame (1) is erected on the ground through the base (16).

10. The offset roll pair mechanism for aluminum product production as recited in claim 9, wherein a plurality of mounting holes (17) are formed on the base (16), the mounting holes (17) penetrate through the base (16), and the base (16) can be fixed through the mounting holes (17).