CN220532661U

CN220532661U - Aluminium alloy straightening machine

Info

Publication number: CN220532661U
Application number: CN202321767721.6U
Authority: CN
Inventors: 石亮; 程时变
Original assignee: Hubei Xingyi New Material Technology Co ltd
Current assignee: Hubei Xingyi New Material Technology Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-27
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses an aluminum profile straightener, which belongs to the technical field of aluminum profiles and comprises a workbench, a fixing frame A, sliding grooves A, sliding frames, guide frames, supporting rods, straightening plates A, servo motors and rotating rods, wherein the fixing frame A is fixedly arranged above the workbench, the sliding grooves A are oppositely embedded in front of and behind two sides of the fixing frame A, the sliding frames are arranged on the inner sides of the sliding grooves A in a sliding manner, and the guide frames are arranged on the sides of the sliding frames and the two sides of the fixing frame A, which are close to the lower sides of the sliding grooves A, in a rotating manner through bearings. According to the utility model, the sliding frame drives the support rod above the H-shaped aluminum profile and the straightening plate A to contact with the web plate of the H-shaped aluminum profile, after the web plate of the H-shaped aluminum profile is clamped and limited by the straightening plate A which is opposite from top to bottom, a worker opens the servo motor to drive the corresponding support rod and the straightening plate A to rotate in the same direction through the outer ring chain of the rotating rod, so that the H-shaped aluminum profile is driven to be conveyed in the corresponding direction for straightening treatment, and the effect that the worker clamps the web plates of the H-shaped aluminum profile with different thicknesses for straightening treatment is facilitated.

Description

Aluminium alloy straightening machine

Technical Field

The utility model belongs to the technical field of aluminum profiles, and particularly relates to an aluminum profile straightener.

Background

Aluminum profiles are produced by hot-melting and extruding aluminum alloy materials or pure aluminum materials, and then the aluminum materials with different cross sections are called aluminum profiles, so that an aluminum profile is required.

The application number is CN202220016904.3, and the aluminum profile straightening device is provided with a mechanism for adjusting the distance between two second mounting brackets so as to adjust the distance between two second driving wheels to adapt to aluminum materials, so that the second driving wheels are in contact with the surfaces of the aluminum materials, the second driving wheels are driven to rotate by a third motor, and the aluminum materials are driven to move by the rotation of the second driving wheels; the disadvantages are as follows:

when the worker uses the aluminum profile straightening device to straighten the aluminum profile, the distance between the two second mounting brackets is adjusted, the distance between the two second driving wheels is driven to be adjusted, the aluminum profile is conveyed between the driving wheels and the straightening mechanism for straightening, and the distance between the driving wheels which are opposite left and right is adjusted by the mounting brackets, the distance between the first mounting plates is fixed and cannot be adjusted, so that free adjustment between the driving wheels which are opposite up and down cannot be performed, and the aluminum profile straightening device cannot be well adapted to straightening of aluminum profiles of various specifications.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the aluminum profile straightening device is slightly inconvenient when straightening aluminum profiles with different specifications, the aluminum profile straightening machine is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides an aluminium alloy straightener, includes workstation, mount A, spout A, carriage, leading truck, bracing piece, straightening board A, servo motor and dwang, workstation top fixed mounting has mount A, mount A both sides front and back embedding relatively is provided with spout A, the inboard slip of spout A is provided with the carriage, carriage side and mount A both sides are close to spout A below and all are provided with the leading truck through bearing rotation, mount A inner wall both sides are close to leading truck below fixed mounting and have servo motor, servo motor has the dwang through output shaft, and through chain drive setting between dwang and the relative leading truck, the inboard fit slip of leading truck is provided with the bracing piece, the equal fixed mounting of bracing piece side opposite face has straightening board A, and straightening board A is discoid setting, the carriage outside is provided with the centre gripping stop guide that makes things convenient for the staff to centre gripping H type aluminium alloy different thickness web to straighten and handles, the bracing piece outside is provided with the thickness adjustment mechanism that makes things convenient for the staff to straighten H type aluminium alloy different thickness edge plates.

The clamping limiting guide mechanism is composed of a thread groove A, an adjusting screw A, a fixing frame B, a pointer and a graduated scale, wherein the thread groove A is embedded in the upper portion of the sliding groove A on two sides of the upper portion of the fixing frame A, the adjusting screw A is rotatably arranged on the inner side of the thread groove A in a threaded engagement mode, the lower portion of the end portion of the adjusting screw A is rotatably arranged above the sliding frame through a bearing, the graduated scale is fixedly installed on two sides of the fixing frame A near the sides of the sliding frame, the fixing frame B is fixedly installed on the sides of the sliding frame near the sides of the graduated scale, the L-shaped fixing frame B is fixedly installed with the pointer, and one millimeter of interval is reserved between the pointer and the graduated scale.

The thickness adjusting straightening mechanism comprises a thread groove B, a guide plate, a slide groove B, an adjusting screw B, a slide groove C, teeth, a straightening plate B, a gear, a slide groove D, a limiting frame and a damping telescopic rod, wherein the guide plate is arranged in an embedded mode from top to bottom on the inner wall of the guide frame, the slide groove B is arranged in an embedded mode from top to bottom on the side of the support rod in an embedded mode, the adjusting screw B is arranged above the support rod in a rotating mode through a bearing, the guide frame side is close to the upper portion of the support rod in an embedded mode, the adjusting screw B is arranged on the inner side of the thread groove B in a threaded engaged mode, the straightening plate C is arranged on the upper portion and the lower portion of the support rod in an embedded mode, the outer ring of the support rod is arranged in a sliding mode, the straightening plate B is arranged in an embedded mode, the sliding mode is arranged on the inner side of the guide plate in an embedded mode through a sliding block, the lower portion of the inner wall of the straightening plate is arranged on the inner side of the support rod in an embedded mode, the guide plate is fixedly arranged on the bottom of the inner wall of the slide groove C, the guide plate through a bearing, the teeth are arranged on the inner side of the guide plate in a plurality of the inner wall of the guide plate in an embedded mode, the sliding tooth is arranged between the tooth is arranged on the side of the supporting tooth is arranged on the side, the side of the side, and the matched tooth is arranged between the side and the corresponding to the side, and the corresponding to the corresponding side.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. this kind of aluminium alloy straightener can make the staff cooperate between screw groove A, adjusting screw A, mount B, pointer and scale through being provided with centre gripping limit guide mechanism, makes things convenient for the staff to pass through to twist adjusting screw A, drives the carriage and slides in spout A inboard, drives the pointer and slides in the scale outside behind the suitable scale, makes the relative straightening plate A adjust suitable interval from top to bottom, makes things convenient for the effect that the different thickness webs of staff centre gripping H type aluminium alloy straightened the processing.

2. This kind of aluminium alloy straightening machine is through being provided with thickness control straightening mechanism, can make the staff pass through screw groove B, deflector, spout B, adjusting screw B, spout C, tooth, cooperation between straightening board B, gear, spout D, spacing and the damping telescopic link, twist adjusting screw B and freely adjust about the interval between the relative straightening board A, promote behind the spacing release gear, freely adjust straightening board B to suitable position, make things convenient for the staff to carry out the effect of straightening to the flange board of different thickness H type aluminium alloy.

Drawings

FIG. 1 is a schematic diagram showing a schematic perspective view of a leveler according to the present utility model;

FIG. 2 is a schematic diagram showing a schematic cross-sectional structure of a straightening machine according to the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2 at A in accordance with the present utility model;

fig. 4 is a schematic diagram of the enlarged structure at B in fig. 2 according to the present utility model.

FIG. 5 is a schematic diagram showing a second embodiment of the side sectional view of the straightening plate B of the present utility model.

The marks in the figure: 1. a work table; 101. a fixing frame A; 102. a chute A; 103. a carriage; 104. a thread groove A; 105. adjusting the screw A; 106. a fixing frame B; 107. a pointer; 2. a guide frame; 201. a thread groove B; 202. a guide plate; 3. a support rod; 301. a chute B; 302. adjusting the screw B; 303. a chute C; 304. teeth; 305. straightening plate A; 4. straightening plate B; 401. a gear; 402. a chute D; 403. a limiting frame; 404. damping telescopic rod; 405. a thread groove; 406. adjusting a screw; 5. a graduated scale; 6. a servo motor; 601. a rotating lever; 7. a limiting frame; 701. and (3) pressing a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to fig. 1-5, an aluminum profile straightener, comprising a workbench 1, a fixing frame a101, a sliding groove a102, a sliding frame 103, a guide frame 2, a supporting rod 3, a straightening plate a305, a servo motor 6 and a rotating rod 601, wherein the fixing frame a101 is fixedly installed above the workbench 1, the sliding groove a102 is arranged in a front-back relative embedding manner on two sides of the fixing frame a101, the sliding frame 103 is arranged on the inner side of the sliding groove a102 in a sliding manner, the guide frame 2 is rotatably arranged on two sides of the sliding frame 103 and two sides of the fixing frame a101, which are close to the lower part of the sliding groove a102, through bearings, the servo motor 6 is fixedly installed on two sides of the inner wall of the fixing frame a101, which are close to the lower part of the guide frame 2, the rotating rod 601 is connected with the rotating rod 601 through an output shaft, the rotating rod is arranged with the opposite guide frame 2 through chain transmission, the supporting rod 3 is arranged on the inner side of the guide frame 2 in a fit sliding manner, the straightening plate a305 is fixedly installed on the opposite side of the supporting rod 3, the straightening plate a305 is in a disc-shaped arrangement, the outer side of the sliding frame 103 is provided with a limiting guide mechanism which is convenient for a worker to clamp webs with different thicknesses of H-shaped aluminum profiles to perform straightening treatment, and the supporting structures are arranged on the outer sides, and the supporting rods are convenient for the straightening H-shaped thickness adjusting mechanism.

Referring to fig. 1, 2 and 4, further, the clamping limit guide mechanism is composed of a thread groove a104, an adjusting screw a105, a fixing frame B106, a pointer 107 and a graduated scale 5;

the two sides above the fixed frame A101 are close to the upper part of the sliding groove A102 and are embedded with a thread groove A104, the inner side thread of the thread groove A104 is rotatably provided with an adjusting screw A105, the lower part of the end part of the adjusting screw A105 is rotatably arranged above the sliding frame 103 through a bearing, the two sides of the fixed frame A101 are close to the side of the sliding frame 103 and are fixedly provided with a graduated scale 5, the side of the sliding frame 103 is close to the side of the graduated scale 5 and is fixedly provided with a fixed frame B106, the shape of the fixed frame B106 is in L-shaped, the side of the fixed frame B106 is fixedly provided with a pointer 107, the pointer 107 is spaced with the graduated scale 5 by one millimeter, when a worker needs to straighten the produced H-shaped aluminum profile, the H-shaped aluminum profile is carried to a work site, and a web of the H-shaped aluminum profile is arranged between straightening plates A305, screwing the adjusting screw A105 to rotate in a threaded engagement mode on the inner side of the threaded groove A104, driving the sliding frame 103 to slide downwards on the inner side of the sliding groove A102, enabling the pointer 107 to slide downwards on the surface of the graduated scale 5, enabling a worker to observe that the pointer 107 points to a proper scale position, enabling the sliding frame 103 to drive the supporting rod 3 positioned above the H-shaped aluminum profile and the straightening plate A305 to contact webs of the H-shaped aluminum profile, enabling the vertically opposite straightening plates A305 to clamp and limit webs of the H-shaped aluminum profile, enabling the worker to open the servo motor 6, driving the corresponding supporting rod 3 and the straightening plate A305 to rotate in the same direction through an outer ring chain of the rotating rod 601, driving the H-shaped aluminum profile to be conveyed in the corresponding direction, and enabling the worker to clamp webs with different thicknesses of the H-shaped aluminum profile to conduct straightening treatment conveniently.

Referring to fig. 1 to 3, further, the thickness adjusting and straightening mechanism is composed of a thread groove B201, a guide plate 202, a chute B301, an adjusting screw B302, a chute C303, teeth 304, a straightening plate B4, a gear 401, a chute D402, a limiting frame 403 and a damping telescopic rod 404;

the guide frame 2 is provided with a guide plate 202 in an up-down opposite embedding way, the side of the support rod 3 is provided with a chute B301 in an up-down opposite embedding way, the chute B301 is matched with and slidingly arranged outside the guide plate 202, an adjusting screw rod B302 is rotatably arranged above the support rod 3 through a bearing, a thread groove B201 is arranged above the side of the guide frame 2 in an embedding way, the adjusting screw rod B302 is rotatably arranged inside the thread groove B201 in a thread way, a chute C303 is arranged above and below the support rod 3 in an embedding way near the side of a straightening plate A305, the outer ring of the support rod 3 is slidingly provided with a straightening plate B4, the straightening plate B4 is in a disc shape, the straightening plate B4 is matched and slidingly arranged inside the chute C303 through a sliding block, a gear 401 is rotatably arranged above and below the inner wall of the straightening plate B4 through a bearing, a plurality of teeth 304 are fixedly arranged at the bottom of the inner wall of the chute C303 in a fixed way, the teeth 304 are arranged in a trapezoid shape and are arranged in parallel at equal intervals, a plurality of teeth 304 and teeth matched with the outer ring of the gear 401 are in meshed transmission, a chute D402 is oppositely embedded in the upper side and the lower side of the straightening plate B4, a limit frame 403 is arranged on the inner side of the chute D402 in a sliding manner, a damping telescopic rod 404 is fixedly arranged between the upper side of the limit frame 403 and the lower side of the inner wall of the chute D402 and is matched with the teeth matched with the outer ring of the gear 401, springs are arranged on the outer side of the damping telescopic rod 404, the outer surfaces of the straightening plate A305 and the straightening plate B4 are made of isoprene rubber, when a worker controls the upper side and the lower side of the straightening plate A305 to a proper distance, the worker screws an adjusting screw B302 to drive through a bearing, and performs meshed rotation on the inner side of a thread groove B201, so that a supporting rod 3 slides on the inner side of the sliding frame 103, drives the left side and the right side of the straightening plate A305 to a proper distance, the worker pushes the side of the straightening plate B4 to slide on the inner side of the chute D402, after the damping telescopic rod 404 and the outer springs are driven to shrink, the straightening plate B4 is pushed to slide outside the supporting rods 3, the teeth matched with the outer ring of the gear 401 and the teeth 304 are driven to carry out meshing transmission, the gear 401 is driven to carry out bearing transmission, after the straightening plate B4 slides to a proper position, a worker releases the limiting frame 403, the damping telescopic rod 404 and the outer springs pop out the limiting frame 403 to slide between the teeth matched with the outer ring of the gear 401, after the gear 401 is limited and fixed, the fixing treatment of the straightening plate B4 is completed, H-shaped aluminum profiles needing to be straightened are placed between the straightening plates A305 by the worker, the servo motor 6 is opened, the corresponding supporting rods 3 and the straightening plates A305 are driven to rotate in the same direction through the outer ring chain of the rotating rod 601, the H-shaped aluminum profiles are driven to be conveyed in the corresponding directions, the flange plates on two sides are straightened, the flange plates of different thicknesses are conveniently straightened, meanwhile, the isopentane rubber plates A305 and B4 with good elasticity and wear resistance characteristics are provided, the outer surfaces of the straightening plates A and B4 are extruded and contacted with the H-shaped aluminum profiles in a large friction mode, and the abrasion of the straightening plates A and B4 can be avoided.

Further with reference to fig. 2, the servomotor 6 is electrically connected to the battery through a control panel.

Example two

As shown in fig. 5, in the embodiment of the utility model, a chute D402 is embedded in the side of a straightening plate B4 in an up-down opposite manner, a limit frame 403 is arranged on the inner side of the chute D402 in a sliding manner, a damping telescopic rod 404 is fixedly arranged between the upper side of the limit frame 403 and the lower side of the inner wall of the chute D402 in a matching manner, a spring is arranged on the outer side of the damping telescopic rod 404 in a matching manner, in addition to the embodiment, a limit frame 7 is arranged on the inner side of the chute D402 in a sliding manner, a pressure plate is fixedly arranged in front of the limit frame 7, the pressure plate 701 is arranged in a disc-shaped manner, the outer surface of the pressure plate 701 is made of natural rubber, a threaded groove 405 is embedded in the side of the straightening plate B4 in an up-down opposite manner, an inner thread-engaging manner, an adjusting screw 406 is arranged on the end of the adjusting screw in a rotating manner through a bearing, when a worker needs to adjust the position of the straightening plate B4, the adjusting screw 406 is screwed in the threaded-engaging manner in the threaded groove 405, the inner side of the pressure plate 406 is enabled to rotate in the threaded groove 405, the inner side of the pressure plate 7 is enabled to push the end of the pressure plate to move to the position of the gear 401 to be in a proper manner, and the gear 401 is enabled to be in a certain position opposite to be in contact with the threaded groove 401, and the threaded groove 401 is pushed by the threaded groove 401, and the threaded groove 401 is pushed to rotate, compared with the gear 401, and the gear 401 is pushed to the position of the gear 401 to rotate, and the gear 401 is pushed to rotate, and the position is pushed to the position of the gear 401 to rotate, and the gear 401 is pushed to the gear is pushed to rotate and the gear is in the position and the gear is screwed to and the gear is screwed.

Working principle: firstly, when a worker needs to straighten the produced H-shaped aluminum profile, carrying the H-shaped aluminum profile to a working site, placing a web plate of the H-shaped aluminum profile between straightening plates A305, screwing an adjusting screw A105 into threaded engagement and rotation at the inner side of a threaded groove A104, driving a sliding frame 103 to slide downwards at the inner side of a sliding groove A102, when a pointer 107 slides downwards on the surface of a graduated scale 5, observing that the pointer 107 points to a proper scale position by the worker, after the sliding frame 103 drives a supporting rod 3 positioned above and the straightening plates A305 to adjust to a proper position, and enables the upper and lower opposite straightening plates A305 to reach a proper distance, then, screwing an adjusting screw B302 by a bearing, screwing in and rotating at the inner side of the threaded groove B201, enabling the supporting rod 3 to slide at the inner side of the sliding frame 103, driving a right and left opposite straightening plates A305 to reach a proper distance, the staff pushes the side limit frame 403 of the straightening plate B4 to slide inside the chute D402, drives the damping telescopic rod 404 and the outer spring to shrink, pushes the straightening plate B4 to slide outside the supporting rod 3, drives teeth matched with the outer ring of the gear 401 and a plurality of teeth 304 to be meshed and driven, drives the gear 401 to drive through a bearing, enables the straightening plate B4 to slide to a proper position, then, the staff releases the limit frame 403, enables the damping telescopic rod 404 and the outer spring to pop up the limit frame 403 to slide between the teeth matched with the outer ring of the gear 401, completes the fixing treatment of the straightening plate B4 after limiting and fixing the gear 401, finally, the staff places the H-shaped aluminum profile to be straightened between the straightening plate A305, opens the servo motor 6, drives the corresponding supporting rod 3 and the straightening plate A305 to rotate in the same direction through the outer ring chain of the rotating rod 601, drives the H-shaped aluminum profile to be conveyed in the corresponding direction, the flange plates on two sides are straightened, so that workers can conveniently straighten the flange plates of H-shaped aluminum profiles with different thicknesses, and meanwhile, the outer surfaces of the straightening plates A305 and B4 made of isoprene rubber with good elasticity, wear resistance and ageing resistance are extruded and contacted with the H-shaped aluminum profiles, and when larger friction is generated, the outer surfaces of the straightening plates A305 and B4 cannot be easily worn, and meanwhile, scratches on the surfaces of the H-shaped aluminum profiles can be avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an aluminium alloy straightener, includes workstation (1), mount A (101), spout A (102), carriage (103), leading truck (2), bracing piece (3), straightening board A (305), servo motor (6) and dwang (601), workstation (1) top fixed mounting has mount A (101), the relative embedding in mount A (101) both sides is provided with spout A (102), spout A (102) inboard slip is provided with carriage (103), carriage (103) side and mount A (101) both sides are close to spout A (102) below and all are provided with leading truck (2) through the bearing rotation, leading truck (2) below fixed mounting is close to leading truck (2) both sides in mount A (101) inner wall both sides, servo motor (6) have dwang (601) through output shaft, and pass through the chain drive setting between dwang (601) and the relative leading truck (2), the inboard agreeing slip of leading truck (2) is provided with bracing piece (3), bracing piece (3) side is fixed mounting opposite side and is straightening board A (305), and its characterized in that straightening board A (305) are all installed. The clamping limiting guide mechanism is arranged on the outer side of the sliding frame (103) and is convenient for workers to clamp webs with different thicknesses of the H-shaped aluminum profile to conduct straightening treatment, and the thickness adjusting straightening mechanism is arranged on the outer side of the supporting rod (3) and is convenient for workers to conduct straightening treatment on flanges with different thicknesses of the H-shaped aluminum profile.

2. An aluminum profile straightener as in claim 1, wherein: the clamping limit guide mechanism consists of a thread groove A (104), an adjusting screw A (105), a fixing frame B (106), a pointer (107) and a graduated scale (5);

the utility model discloses a sliding chute, including mount A (101), slide rule (5) and mount B (106), mount A (103) both sides are close to slide rule A (102) top and all imbed and are provided with screw thread groove A (104), screw thread groove A (104) inboard screw thread interlock rotates and is provided with adjusting screw A (105), and adjusting screw A (105) tip below passes through the bearing rotation setting in slide bracket (103) top, mount A (101) both sides are close to slide bracket (103) side and all fixedly mounted with scale (5), slide bracket (103) side is close to scale (5) side fixed mounting has mount B (106), mount B (106) side fixed mounting has pointer (107).

3. An aluminum profile straightener as in claim 1, wherein: the thickness adjusting and straightening mechanism consists of a thread groove B (201), a guide plate (202), a chute B (301), an adjusting screw B (302), a chute C (303), teeth (304), a straightening plate B (4), a gear (401), a chute D (402), a limiting frame (403) and a damping telescopic rod (404);

guide plates (202) are oppositely embedded up and down on the inner wall of the guide frame (2), sliding grooves B (301) are oppositely embedded up and down on the side of the support rod (3), the sliding grooves B (301) are arranged on the outer side of the guide plates (202) in a fit sliding mode, adjusting screw rods B (302) are rotatably arranged above the support rod (3) through bearings, threaded grooves B (201) are embedded and arranged above the side, close to the support rod (3), of the guide frame (2), the adjusting screw rods B (302) are rotatably arranged on the inner side of the threaded grooves B (201) in a threaded engagement mode, sliding grooves C (303) are embedded and arranged on the side, close to the straightening plate A (305), of the upper side and the lower side of the support rod (3), the outer ring of the supporting rod (3) is provided with a straightening plate B (4) in a sliding manner, the straightening plate B (4) is arranged on the inner side of a chute C (303) in a sliding manner through a sliding block, a gear (401) is rotatably arranged on the upper and lower sides of the inner wall of the straightening plate B (4) through a bearing, a tooth (304) is fixedly arranged on the bottom of the inner wall of the chute C (303), a chute D (402) is oppositely embedded on the upper and lower sides of the side of the straightening plate B (4), a limiting frame (403) is arranged on the inner side of the chute D (402) in a sliding manner, the lower part of the limiting frame (403) is arranged between the teeth matched with the outer ring of the gear (401) in a sliding manner, damping telescopic rods (404) are fixedly arranged between the upper parts of the limiting frames (403) and the lower parts of the inner walls of the sliding grooves D (402), springs are arranged on the outer sides of the damping telescopic rods (404) in a matched mode, and the outer surfaces of the straightening plates A (305) and the straightening plates B (4) are made of isoprene rubber.

4. An aluminum profile straightener as in claim 2, wherein: the fixing frame B (106) is arranged in an L shape, and a distance between the pointer (107) and the graduated scale (5) is one millimeter.

5. An aluminum profile straightener as in claim 3, wherein: the straightening plate B (4) is arranged in a disc shape.

6. An aluminum profile straightener as in claim 3, wherein: the number of the teeth (304) is a plurality, the teeth are arranged in parallel at equal intervals in a trapezoid shape, and the teeth matched with the outer ring of the gear (401) are arranged in a meshed transmission manner.