Adjustable bending device for aluminum alloy sections

Abstract

The utility model discloses an adjustable bending device for aluminum alloy sections, which comprises a connecting support, a fixed base is connected to the end face of the connecting support, and a horizontal adjustable conveying structure is connected to the end face of the fixed base. A horizontal adjustable conveying structure is arranged on the end face of the fixed base, and a vertical clamping conveying structure is connected to the position, located on one side of the horizontal adjustable conveying structure, of the end face of the fixed base. By means of the design that an adjusting motor in the vertical clamping conveying structure enables the distance between a driving rotating roller and a driven rotating roller to be adjusted through a transmission structure, the distance between the driving rotating roller and the driven rotating roller can be adjusted according to the thickness of the aluminum alloy profile, and the device is more convenient to use and higher in practicability. Therefore, the problem of the distance between the driving roller and the driven roller is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy processing, in particular to an adjustable bending device for aluminum alloy profiles. Background Art

[0002] The bending device is a device for bending profiles. Aluminum alloy profiles are the most widely used type of non-ferrous metal structural materials in industry. They have been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding, construction, decoration and chemical industries. The wide application of aluminum alloys has promoted the development of aluminum alloy welding technology.

[0003] The existing aluminum alloy profile bending device cannot be adjusted accordingly according to the size of the aluminum alloy profile when in use, so that the device cannot be adjusted during use, making the device inconvenient to use. Utility Model Content

[0004] The utility model provides an adjustable bending device for aluminum alloy profiles to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An adjustable bending device for aluminum alloy profiles, comprising a connecting bracket, a fixed base connected to the end surface of the connecting bracket, a horizontally adjustable conveying structure connected to the end surface of the fixed base, a vertical clamping conveying structure connected to the end surface of the fixed base and located on one side of the horizontally adjustable conveying structure, a bending machine connected to the end surface of the fixed base and located on one side of the vertical clamping conveying structure, a cutting machine connected to the end surface of the fixed base and located on one side of the bending machine, and a controller connected to the side wall of the fixed base;

[0007] The horizontally adjustable conveying structure includes a driving motor, the driving end of the driving motor is connected to a driving rod through a coupling, the side wall of the driving rod is meshed with a driven gear through a driving gear, the center of the driven gear is connected to a rotating screw rod, the side wall of the rotating screw rod is symmetrically connected to a moving slide plate, the two sides of the rotating screw rod and the limiting sliding rods are connected on the moving slide plate, the two ends of the limiting sliding rod are connected to a fixed connecting plate, the fixed connecting plate is connected to the end surface of the fixed base, the two groups of the side walls of the moving slide plates are connected to the rotating motor, the driving end of the rotating motor is connected to a driving roller through a coupling, the driving roller is connected to a rotating gear, the side wall of the rotating gear is meshed with a transmission gear through a rack belt, the center of the transmission gear is connected to a driven roller, and the side walls of the driving roller and the driven roller are connected to a conveying belt.

[0008] The vertical clamping and conveying structure includes two groups of fixed connecting frames, the two groups of fixed connecting frames are connected to the end face of the fixed base, the side wall of the fixed connecting frame on the right side is connected with a servo motor through a connecting rod, the driving end of the servo motor is connected to a driving roller through a coupling, the end faces of the two groups of fixed connecting frames are connected with a fixed box body, the side wall of the fixed box body on the left side is connected with an adjusting motor, the driving end of the adjusting motor is connected with a rotating connecting rod through a coupling, two groups of driving worms are connected to the side walls of the rotating connecting rod, the side walls of the two groups of driving worms are meshed with driven worm wheels, the center of the driven worm wheel is connected with an adjusting screw, the side wall of the adjusting screw is connected with a moving slider, and a driven roller is arranged on the side wall of the moving slider and corresponds to the driving roller.

[0009] As a preferred solution of the utility model, the bending machine and the cutting machine are both connected to the controller via wires and the connection method is electrical connection, and the driving motor is connected to the controller via wires and the connection method is electrical connection.

[0010] As a preferred solution of the utility model, the driving rod is connected to the side wall of the fixed base through a bearing seat, wherein the driving rod and the bearing seat are connected in a rotating manner, and the rotating screw is connected to the side wall of the fixed connecting plate through the bearing seat, wherein the rotating screw and the bearing seat are connected in a rotating manner.

[0011] As a preferred solution of the utility model, the rotating screw is composed of a left-handed screw and a right-handed screw, the rotating screw is connected to the movable slide by a threaded connection, and a connecting hole is provided on the movable slide corresponding to the limiting slide, wherein the connection between the limiting slide and the connecting hole is a sliding connection.

[0012] As a preferred solution of the utility model, the rotating motor is connected to the controller through a wire and the connection method is electrical connection, the driving roller is connected to the side wall of the movable skateboard through a bearing seat, wherein the connection method of the driving roller and the bearing seat is a rotational connection, and the driven roller is connected to the side wall of the movable skateboard through the bearing seat, wherein the connection method of the driven roller and the bearing seat is a rotational connection.

[0013] As a preferred solution of the utility model, the servo motor is connected to the controller through a wire and the connection method is electrical connection, and the driving roller is connected to the side wall of the fixed connecting frame through a bearing seat, wherein the connection method between the driving roller and the bearing seat is rotational connection.

[0014] As a preferred solution of the utility model, the adjusting motor is connected to the controller through a wire and the connection method is electrical connection, and the rotating connecting rod is connected to the side wall of the fixed box through a bearing seat, and the connection method between the rotating connecting rod and the bearing seat is rotational connection.

[0015] As a preferred solution of the utility model, the adjusting screw is connected to the fixed connecting frame through a bearing seat, wherein the adjusting screw and the bearing seat are connected in a rotating manner, and the adjusting screw and the movable slider are connected in a threaded manner.

[0016] As a preferred solution of the utility model, a slide groove is provided on the fixed connecting frame and corresponds to the movable slider, wherein the movable slider is connected to the slide groove by a sliding connection, and the driven roller is connected to the side wall of the movable slider through a bearing, wherein the driven roller is connected to the bearing by a rotating connection.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model is provided with a horizontally adjustable conveying structure, and the driving motor in the horizontally adjustable conveying structure is used to adjust the distance between the conveying belts through the transmission structure. Therefore, during the use of the adjustable bending device for the aluminum alloy profile, the distance between the conveying belts can be adjusted according to the width of the aluminum alloy profile. The device is more convenient during use, thereby solving the problem that the distance between the conveying belts cannot be adjusted.

[0019] The utility model is provided with a vertical clamping and conveying structure, and the distance between the driving roller and the driven roller is adjusted by utilizing the adjusting motor in the vertical clamping and conveying structure through the transmission structure. Therefore, during the use of the adjustable bending device for the aluminum alloy profile, the distance between the driving roller and the driven roller can be adjusted according to the thickness of the aluminum alloy profile. The device is more convenient in use, thereby solving the problem of the distance between the driving roller and the driven roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front and side structures of the utility model;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of some structures;

[0022] Figure 3 This is a schematic diagram of the structure of the horizontally adjustable conveying structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 Schematic diagram of some structures;

[0024] Figure 5 It is a structural schematic diagram of the vertical clamping and conveying structure of the utility model;

[0025] Figure 6 For this utility model Figure 5 Schematic diagram of part of the structure.

[0026] In the figure: 1, connecting bracket; 2, fixed base; 3, horizontal adjustable conveying structure; 4, vertical clamping conveying structure; 5, bending machine; 6, cutting machine; 7, controller; 301, driving motor; 302, driving rod; 303, driving gear; 304, driven gear; 305, rotating screw; 306, moving slide; 307, limiting slide; 308, fixed connecting plate; 309, rotating motor; 310, driving roller; 311, rotating gear; 312, rack belt; 313, transmission gear; 314, driven roller; 315, conveying belt; 401, fixed connecting frame; 402, servo motor; 403, driving roller; 404, fixed box; 405, adjusting motor; 406, rotating connecting rod; 407, driving worm; 408, driven worm gear; 409, adjusting screw; 410, moving slide; 411, driven roller. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] For example, please refer to Figure 1-6 , the utility model provides a technical solution:

[0029] An adjustable bending device for aluminum alloy profiles includes a connecting bracket 1, a fixed base 2 is connected to the end surface of the connecting bracket 1, a horizontally adjustable conveying structure 3 is connected to the end surface of the fixed base 2, a vertical clamping conveying structure 4 is connected to the end surface of the fixed base 2 and on one side of the horizontally adjustable conveying structure 3, a bender 5 is connected to the end surface of the fixed base 2 and on one side of the vertical clamping conveying structure 4, a cutting machine 6 is connected to the end surface of the fixed base 2 and on one side of the bender 5, and a controller 7 is connected to the side wall of the fixed base 2.

[0030] In this embodiment, reference Figure 1 , Figure 2 , Figure 3 and Figure 4The horizontally adjustable conveying structure 3 includes a driving motor 301, a driving end of the driving motor 301 is connected to a driving rod 302 through a coupling, a driven gear 304 is meshed and connected to the side wall of the driving rod 302 through a driving gear 303, a rotating screw 305 is connected to the center of the driven gear 304, a moving slide 306 is symmetrically connected to the side wall of the rotating screw 305, and a limiting slide 307 is connected to both sides of the rotating screw 305 and located on the moving slide 306, and fixed connecting plates are connected to both ends of the limiting slide 307 308, the fixed connecting plate 308 is connected to the end face of the fixed base 2, and the side walls of the two sets of movable slides 306 are connected with rotating motors 309, and the driving end of the rotating motor 309 is connected with a driving roller 310 through a coupling, and the driving roller 310 is connected with a rotating gear 311, and the side wall of the rotating gear 311 is meshed with a transmission gear 313 through a rack belt 312, and the center of the transmission gear 313 is connected with a driven roller 314, and the side walls of the driving roller 310 and the driven roller 314 are connected with a conveying belt 315.

[0031] Based on the above structure and the connection relationship of the above structure, the operation of the driving motor 301 is controlled by the controller 7. When the driving end of the driving motor 301 rotates, it drives the driving rod 302, the driving gear 303, the driven gear 304, and the rotating screw 305 to rotate in sequence. When the rotating screw 305 rotates, the two sets of moving slides 306 move in relative directions, so that the conveying belt 315 clamps the aluminum alloy profile. Then, the rotating motor 309 is started by the controller 7. When the driving end of the rotating motor 309 rotates, it drives the driving roller 310, the rotating gear 311, the rack belt 312, the transmission gear 313, the driven roller 314 and the conveying belt 315 to rotate in sequence, thereby automatically conveying the aluminum alloy profile forward.

[0032] The bending machine 5 and the cutting machine 6 are both connected to the controller 7 via wires and the connection method is electrical connection. The driving motor 301 is connected to the controller 7 via wires and the connection method is electrical connection. The rotating motor 309 is connected to the controller 7 via wires and the connection method is electrical connection. The operation of the bending machine 5, the cutting machine 6, the driving motor 301 and the rotating motor 309 is controlled by the controller 7. The driving rod 302 is connected to the side wall of the fixed base 2 through a bearing seat, wherein the driving rod 302 is connected to the bearing seat in a rotating manner, and the rotating screw rod 305 is connected to the side wall of the fixed connecting plate 308 through the bearing seat, wherein the rotating screw rod 305 is connected to the bearing seat in a rotating manner, and the rotating screw rod 305 is spliced ​​with a section of left-handed screw rod and a section of right-handed screw rod, and the rotating screw rod 305 is connected to the movable slide plate 306 in a threaded manner, and a connecting hole is provided on the movable slide plate 306 corresponding to the limiting slide rod 307, wherein the connection mode of the limiting slide rod 307 and the connecting hole is a sliding connection, and the driving roller 310 is connected to the side wall of the movable slide plate 306 through the bearing seat, wherein the driving roller 310 is connected to the bearing seat in a rotating manner, and the driven roller 314 is connected to the side wall of the movable slide plate 306 through the bearing seat, wherein the connection mode of the driven roller 314 and the bearing seat is a rotating connection, so that the device is smoother during use.

[0033] In this embodiment, reference Figure 1 , Figure 2 , Figure 5 and Figure 6 The vertical clamping conveying structure 4 includes two sets of fixed connecting frames 401, which are connected to the end surface of the fixed base 2. The side wall of the right fixed connecting frame 401 is connected to a servo motor 402 through a connecting rod. The driving end of the servo motor 402 is connected to a driving roller 403 through a coupling. The end surfaces of the two sets of fixed connecting frames 401 are connected to fixed boxes 404. The side wall of the left fixed box 404 is connected to an adjusting motor 405. The driving end of the adjusting motor 405 is connected to a rotating connecting rod 406 through a coupling, and two sets of driving worms 407 are connected to the side walls of the rotating connecting rod 406, and driven worm wheels 408 are meshed and connected to the side walls of the two sets of driving worms 407, and an adjusting screw 409 is connected to the center of the driven worm wheel 408, and a moving slider 410 is connected to the side wall of the adjusting screw 409, and a driven roller 411 is arranged on the side wall of the moving slider 410 and corresponds to the driving roller 403;

[0034] Based on the above structure and the connection relationship of the above structure, the operation of the adjusting motor 405 is controlled by the controller 7. When the driving end of the adjusting motor 405 rotates, it drives the rotating connecting rod 406, the driving worm 407, the driven worm gear 408, and the adjusting screw 409 to rotate in sequence. When the adjusting screw 409 rotates, it drives the moving slider 410 to move downward, so that the aluminum alloy profile is clamped by the driving roller 403 and the driven roller 411. At the same time, the operation of the servo motor 402 is controlled by the controller 7. When the driving end of the servo motor 402 rotates, the aluminum alloy profile is transported forward. The servo motor 402 is connected to the controller 7 through a wire and the connection method is electrical connection. The adjusting motor 405 is connected to the controller 7 through a wire and the connection method is electrical connection. The operation of the servo motor 402 and the adjusting motor 405 is controlled by the controller 7.

[0035] The driving roller 403 is connected to the side wall of the fixed connecting frame 401 through a bearing seat, wherein the driving roller 403 is connected to the bearing seat in a rotational connection, the rotating connecting rod 406 is connected to the side wall of the fixed box 404 through the bearing seat, wherein the rotating connecting rod 406 is connected to the bearing seat in a rotational connection, the adjusting screw 409 is connected to the fixed connecting frame 401 through the bearing seat, wherein the adjusting screw 409 is connected to the bearing seat in a rotational connection, the adjusting screw 409 is connected to the movable slider 410 in a threaded connection, a slide groove is provided on the fixed connecting frame 401 and corresponding to the movable slider 410, wherein the movable slider 410 is connected to the slide groove in a sliding connection, the driven roller 411 is connected to the side wall of the movable slider 410 through a bearing, wherein the driven roller 411 is connected to the bearing in a rotational connection, so that the device is smoother during use.

[0036] When using the adjustable bending device for aluminum alloy profiles, firstly connect the device to the power supply so that the device is in a working state, and then start the drive motor 301 according to the width of the aluminum alloy profile under the condition that the drive motor 301 is connected to the controller 7 through a wire and the connection method is an electrical connection, so that the driving end of the drive motor 301 rotates, and the drive rod 302 is connected to the side wall of the fixed base 2 through a bearing seat, and the connection method between the drive rod 302 and the bearing seat is a rotational connection, so as to drive the drive rod 302 to rotate, and the driven gear 304 is driven to rotate under the condition that the driven gear 304 is meshed and connected to the side wall of the drive rod 302 through the drive gear 303, and the rotating screw rod 305 is connected to the side wall of the fixed connecting plate 308 through the bearing seat, and the connection method between the rotating screw rod 305 and the bearing seat is a rotational connection, so as to drive the rotating screw rod 305 to rotate, and the rotating screw rod 305 is composed of a section of left-handed screw rod and a section of right-handed screw rod, and the rotating screw rod 305 is connected to the movable slide plate 306 in a screw manner. The movable slide plate 306 is connected with a groove, and a connecting hole is opened on the movable slide plate 306 and corresponds to the limit slide bar 307, wherein the connection mode of the limit slide bar 307 and the connecting hole is a sliding connection, so that the two groups of movable slide plates 306 move in relative directions, so that the conveying belt 315 clamps the aluminum alloy profile, and the rotating motor 309 is started under the condition that the rotating motor 309 is connected to the controller 7 through a wire and the connection mode is an electrical connection, so that the driving end of the rotating motor 309 rotates, and the driving roller 310 is connected to the side wall of the movable slide plate 306 through a bearing seat, wherein the connection mode of the driving roller 310 and the bearing seat is a rotational connection, and the driven roller 314 is connected to the side wall of the movable slide plate 306 through the bearing seat, wherein the connection mode of the driven roller 314 and the bearing seat is a rotational connection, and the driving roller 310 is connected to the rotating gear 311, and the side wall of the rotating gear 311 is meshed with a transmission gear 313 through a rack belt 312 to drive the conveying belt 315 to rotate, thereby automatically conveying the aluminum alloy profile forward;

[0037] Afterwards, according to the thickness of the aluminum alloy profile, the adjusting motor 405 is started under the condition that the adjusting motor 405 is connected to the controller 7 through a wire and the connection method is an electrical connection, so that the driving end of the adjusting motor 405 rotates, and the rotating connecting rod 406 is connected to the side wall of the fixed box body 404 through a bearing seat, and the rotating connecting rod 406 is connected to the bearing seat under the condition of a rotational connection, and the rotating connecting rod 406 is driven to rotate. Two groups of driving worms 407 are connected to the side wall of the rotating connecting rod 406, and the driven worm gear 408 is driven to rotate under the condition that the side walls of the two groups of driving worms 407 are meshed and connected. The adjusting screw rod 409 is connected to the fixed connecting frame 401 through the bearing seat, and the adjusting screw rod 409 is connected to the bearing seat under the condition of a rotational connection, and the adjusting screw rod 409 is driven to rotate. The connection mode of the block 410 is threaded connection, and a slide groove is provided on the fixed connection frame 401 and corresponds to the movable slider 410, wherein the connection mode of the movable slider 410 and the slide groove is a sliding connection, which drives the movable slider 410 to move downward, so that the aluminum alloy profile is clamped by the driving roller 403 and the driven roller 411, and the driven roller 411 is connected to the side wall of the movable slider 410 through a bearing, wherein the connection mode of the driven roller 411 and the bearing is a rotational connection, the servo motor 402 is connected to the controller 7 through a wire and the connection mode is an electrical connection, and the driving roller 403 is connected to the side wall of the fixed connection frame 401 through a bearing seat, wherein the connection mode of the driving roller 403 and the bearing seat is a rotational connection, and the servo motor 402 is started under the condition that the driving end of the servo motor 402 rotates, thereby conveying the aluminum alloy profile forward;

[0038] The bending machine 5 and the cutting machine 6 are started under the condition that they are both connected to the controller 7 through wires and the connection mode is electrical connection, so as to perform the bending and cutting work of the aluminum alloy profile.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable bending device for an aluminum alloy profile, comprising a connecting bracket (1), characterized in that: A fixed base (2) is connected to the end surface of the connecting bracket (1), a horizontally adjustable conveying structure (3) is connected to the end surface of the fixed base (2), a vertical clamping conveying structure (4) is connected to the end surface of the fixed base (2) and located on one side of the horizontally adjustable conveying structure (3), a bending machine (5) is connected to the end surface of the fixed base (2) and located on one side of the vertical clamping conveying structure (4), a cutting machine (6) is connected to the end surface of the fixed base (2) and located on one side of the bending machine (5), and a controller (7) is connected to the side wall of the fixed base (2); The horizontally adjustable conveying structure (3) comprises a driving motor (301), the driving end of the driving motor (301) is connected to a driving rod (302) via a coupling, a driven gear (304) is meshedly connected to the side wall of the driving rod (302) via a driving gear (303), a rotating screw rod (305) is connected at the center of the driven gear (304), a moving slide plate (306) is symmetrically connected to the side wall of the rotating screw rod (305), limiting slide rods (307) are connected to both sides of the rotating screw rod (305) and are located on the moving slide plate (306), and both ends of the limiting slide rod (307) are connected to fixed connecting plates (306). 08), the fixed connecting plate (308) is connected to the end surface of the fixed base (2), the side walls of the two groups of movable slide plates (306) are connected to a rotating motor (309), the driving end of the rotating motor (309) is connected to a driving roller (310) via a coupling, the driving roller (310) is connected to a rotating gear (311), the side wall of the rotating gear (311) is meshedly connected to a transmission gear (313) via a rack belt (312), the center of the transmission gear (313) is connected to a driven roller (314), and the side walls of the driving roller (310) and the driven roller (314) are connected to a conveying belt (315).

2. The adjustable bending device for aluminum alloy profile according to claim 1, characterized in that: The vertical clamping and conveying structure (4) comprises two groups of fixed connecting frames (401), the two groups of fixed connecting frames (401) are connected to the end faces of the fixed base (2), the side wall of the fixed connecting frame (401) on the right side is connected to a servo motor (402) via a connecting rod, the driving end of the servo motor (402) is connected to a driving roller (403) via a coupling, the end faces of the two groups of fixed connecting frames (401) are connected to fixed boxes (404), and the side wall of the fixed box (404) on the left side is connected to an adjusting motor (405). The driving end of the regulating motor (405) is connected to a rotating connecting rod (406) via a coupling, and two groups of driving worms (407) are connected to the side walls of the rotating connecting rod (406), and driven worm wheels (408) are meshingly connected to the side walls of the two groups of driving worms (407), and an adjusting screw (409) is connected to the center of the driven worm wheel (408), and a moving slider (410) is connected to the side wall of the adjusting screw (409), and a driven roller (411) is arranged on the side wall of the moving slider (410) and corresponds to the driving roller (403).

3. The adjustable bending device for aluminum alloy profile according to claim 1, characterized in that: The bending machine (5) and the cutting machine (6) are both connected to the controller (7) via wires and the connection method is electrical connection, and the driving motor (301) is connected to the controller (7) via wires and the connection method is electrical connection.

4. The adjustable bending device for aluminum alloy profile according to claim 1, characterized in that: The driving rod (302) is connected to the side wall of the fixed base (2) via a bearing seat, wherein the driving rod (302) and the bearing seat are connected in a rotational manner, and the rotating screw rod (305) is connected to the side wall of the fixed connecting plate (308) via the bearing seat, wherein the rotating screw rod (305) and the bearing seat are connected in a rotational manner.

5. The adjustable bending device for aluminum alloy profile according to claim 1, characterized in that: The rotating screw rod (305) is formed by splicing a section of left-handed screw rod and a section of right-handed screw rod, and the rotating screw rod (305) is connected to the movable slide plate (306) by threaded connection. The movable slide plate (306) is provided with connecting holes corresponding to the limiting slide rod (307), and the limiting slide rod (307) is connected to the connecting holes by sliding connection.

6. The adjustable bending device for aluminum alloy profiles according to claim 1, characterized in that: The rotating motor (309) is connected to the controller (7) via a wire and the connection method is electrical connection. The driving roller (310) is connected to the side wall of the moving slide (306) via a bearing seat, wherein the driving roller (310) and the bearing seat are connected in a rotational manner. The driven roller (314) is connected to the side wall of the moving slide (306) via a bearing seat, wherein the driven roller (314) and the bearing seat are connected in a rotational manner.

7. The adjustable bending device for aluminum alloy profiles according to claim 2, characterized in that: The servo motor (402) is connected to the controller (7) via a wire and the connection method is an electrical connection. The driving roller (403) is connected to the side wall of the fixed connection frame (401) via a bearing seat, wherein the connection method between the driving roller (403) and the bearing seat is a rotational connection.

8. The adjustable bending device for aluminum alloy profiles according to claim 2, characterized in that: The regulating motor (405) is connected to the controller (7) via a wire and the connection method is an electrical connection. The rotating connecting rod (406) is connected to the side wall of the fixed box (404) via a bearing seat, wherein the connection method between the rotating connecting rod (406) and the bearing seat is a rotational connection.

9. The adjustable bending device for aluminum alloy profiles according to claim 2, characterized in that: The adjusting screw rod (409) is connected to the fixed connecting frame (401) via a bearing seat, wherein the adjusting screw rod (409) and the bearing seat are connected in a rotational manner, and the adjusting screw rod (409) and the movable slider (410) are connected in a threaded manner.

10. The adjustable bending device for aluminum alloy profiles according to claim 2, characterized in that: A slide groove is provided on the fixed connection frame (401) and corresponds to the movable slider (410), wherein the movable slider (410) is connected to the slide groove in a sliding manner, and the driven roller (411) is connected to the side wall of the movable slider (410) via a bearing, wherein the driven roller (411) is connected to the bearing in a rotational manner.

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