Aluminum alloy section bending structure

Abstract

The utility model discloses an aluminum alloy section bending structure, and relates to the technical field of aluminum alloy section processing. A clamping mechanism is arranged above the operation table, a bending driving mechanism is arranged at the lower end of the operation table, a bending push plate is arranged on the rear side of the clamping mechanism, a bending limiting sliding way is formed in the operation table, and a connecting rod at the lower end of the bending push plate penetrates through the bending limiting sliding way to be connected with the driving mechanism. And a bending angle limiting mechanism is arranged on the left side of the bending push plate. The bending position of an aluminum alloy profile groove is measured through cooperation of a bending scale line flashed by a bending push plate and an extension scale line on an extension plate, the position of the extension plate is fixed through a locking lead screw, the device is more suitable for machining of large-batch aluminum alloy profiles, and the bending angle limiting mechanism is arranged, so that the bending angle of the aluminum alloy profile is limited. According to the aluminum alloy profile bending device, bending operation of an aluminum alloy profile at a specified angle can be achieved, the adaptability of the device is greatly improved, use is more convenient, and the stability of the aluminum alloy profile in the bending process is guaranteed through the arrangement of the clamping mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy section bar processing technical field especially relates to a kind of aluminium alloy section bar bending structure. BACKGROUND

[0002] Aluminium alloy section bar has been applied in aeronautics, astronautics, automobile, machinery manufacturing, ship, building, decoration and chemical industry in large quantities, with the rapid development of science and technology and industrial economy in recent years, the demand for aluminium alloy welded structural member is increasing, so that the weldability of aluminium alloy is also in-depth, and the wide application of aluminium alloy promotes the development of aluminium alloy welding technology, and the development of welding technology also expands the application field of aluminium alloy.

[0003] The existing device does not have a corresponding measuring device, which makes it difficult to determine the bending position when bending the aluminium alloy section bar, and the existing bending device for aluminium alloy section bar processing is not flexible enough when bending, and can only be bent into the shape set at the beginning, and the bending angle cannot be adjusted.

[0004] Therefore, the present application provides an aluminium alloy section bar bending structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of aluminium alloy section bar bending structure, solve the technical problem proposed in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of aluminium alloy section bar bending structure, including operation platform, the clamping mechanism is arranged on the upper side of operation platform, the lower end of operation platform is provided with bending drive mechanism, the rear side of clamping mechanism is provided with bending push plate, the front side end of the lower surface of bending push plate is rotatably connected with the upper end of operation platform, the bending limit slide is opened in operation platform, the bending limit slide is arc-shaped, the connecting end of bending push plate and operation platform is located at the position of the center of bending limit slide, the lower end of bending push plate is fixedly connected with connecting rod, the lower end of connecting rod penetrates bending limit slide, and is connected with bending drive mechanism, the rear side end of bending push plate is provided with limit sliding slot, the rear side of bending push plate is provided with extension plate, the front side end of extension plate extends into limit sliding slot, and is slidably connected with limit sliding slot, the rear side end of extension plate is fixedly connected with abutment plate, the upper end of bending push plate is provided with bending scale line, the upper end of extension plate is provided with extension scale line, the left side of bending push plate is provided with bending angle limiting mechanism, the right side end of bending push plate is provided with installation groove one, the inboard of installation groove one is provided by several abutment rotary rods one, the upper and lower ends of abutment rotary rod one are rotatably connected with the upper and lower two side inner walls of installation groove one respectively.

[0007] Preferably, the bending angle limiting mechanism comprises a limiting plate, the limiting plate is arranged in an arc structure, the limiting plate is coincident with the center position of the bending limiting slide, an angle adjusting slide is formed in the limiting plate, a plurality of internal thread holes are formed in the operation table, the internal thread holes are located below the angle adjusting slide, an auxiliary knob is arranged above the limiting plate, an external thread stop rod is fixedly connected to the lower end of the auxiliary knob, the external thread stop rod penetrates through the angle adjusting slide and extends into the internal thread hole, and the external thread stop rod is threadedly connected with the internal thread hole.

[0008] Preferably, a plurality of bending angle scale lines are formed in the upper end of the limiting plate, and the plurality of bending angle scale lines correspond to the plurality of internal thread holes.

[0009] Preferably, the clamping mechanism comprises a fixed clamping plate and a movable clamping plate, the fixed clamping plate is fixed to the upper end of the operation table, the fixed clamping plate is located in front of the bending push plate, the movable clamping plate is located on the right side of the fixed clamping plate, the movable clamping plate is slidably connected with the upper end of the operation table through a limiting sliding groove, a protective baffle is fixedly connected to the upper end of the fixed clamping plate, the right side end of the protective baffle extends to the right side of the fixed clamping plate, the upper end surface height of the movable clamping plate is lower than the lower end surface height of the protective baffle, a traction frame is arranged above the operation table, the traction frame is in a U shape, the right side inner wall of the traction frame is fixedly connected with the right side end of the movable clamping plate, the left side wall of the traction frame is located on the left side of the fixed clamping plate, an auxiliary plate is fixedly connected to the operation table, a clamping motor is arranged on the left side of the auxiliary plate, the clamping motor is fixedly connected with the upper surface of the operation table, a clamping lead screw is fixedly connected to the output end of the clamping motor, the right side end of the clamping lead screw penetrates through the left side wall of the traction frame and the auxiliary plate in sequence and is rotatably connected with the left side end of the fixed clamping plate, and the clamping lead screw is threadedly connected with the left side wall of the traction frame.

[0010] Preferably, a mounting groove two is formed in the rear side end of the movable clamping plate, an abutting rotating rod two is arranged on the inner side of the mounting groove two, the upper and lower ends of the abutting rotating rod two are rotatably connected with the upper and lower inner walls of the mounting groove two respectively, and the rear side end of the circumferential surface of the abutting rotating rod two is located in the same plane as the rear side end of the fixed clamping plate.

[0011] Preferably, the bending driving mechanism comprises a rotating ring, the rotating ring is rotationally connected with the lower end of the operation table, the center of the circle where the rotating ring is located coincides with the center of the circle where the bending limiting slide is located, a driving gear slot is formed in the inner side wall of the rotating ring, the lower end of the operation table is fixedly connected with a fixed frame, the upper inner side wall of the fixed frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving gear, the output end of the driving motor is fixedly connected with a driving gear, the upper end of the driving gear is rotationally connected with the lower end of the operation table, the driving gear is engaged with the driving gear slot, and the upper end of the rotating ring is fixedly connected with the lower end of the connecting rod.

[0012] Preferably, the front side end of the extension plate is provided with a connecting groove, the rear side inner wall of the connecting groove is fixedly connected with a return spring, the front side end of the return spring is fixedly connected with the front side inner wall of the limiting sliding groove, the left side of the bending push plate is provided with a locking lead screw, the right side end of the locking lead screw penetrates through the left side wall of the limiting sliding groove and abuts against the left side end of the extension plate, and the locking lead screw and the left side wall of the limiting sliding groove are threadedly connected.

[0013] Compared with the related art, the aluminum alloy profile bending structure has the following beneficial effects:

[0014] 1. The extension scale line is provided to ensure that the device can adapt to more size bending requirements, improve the practicability of the device, the return spring is arranged between the extension plate and the bending push plate, automatic resetting can be realized after the aluminum alloy profile is bent, manual extension plate storage is not required, operation is convenient, when a large amount of aluminum alloy profile bending operation is required, one end of the aluminum alloy profile can be inserted through the fixed clamping plate and the movable clamping plate and abut against the front side end of the abutting plate, repeated observation of the scale line during bending operation is not required, and the machining efficiency is greatly improved.

[0015] 2. During the bending operation, the clamping mechanism is used for position fixing of the aluminum alloy profile, the bending push plate is driven to rotate under the action of the bending driving mechanism to bend the aluminum alloy profile, when the aluminum alloy profile is bent to a specified angle, the inner wall of the angle adjusting slide away from the side of the bending push plate abuts against the outer side wall of the external thread stop rod, and thus the specified angle bending operation of the aluminum alloy profile is completed, the device can realize multi-angle aluminum alloy profile bending operation and has strong applicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a whole structure schematic view of the utility model; Figure 1 It is an enlarged view of A in the utility model;

[0018] Figure 3Another angle three-dimensional structure schematic view of the utility model;

[0019] Figure 4 The utility model discloses a Figure 3 Enlarged view of B;

[0020] Figure 5 The utility model discloses a bending push plate position three-dimensional structure schematic view;

[0021] Figure 6 The utility model discloses a bending push plate position disassembly schematic view;

[0022] Figure 7 The utility model discloses a bottom angle display schematic view.

[0023] In the drawing: 1, operation platform, 2, fixed clamping plate, 3, protection baffle, 4, movable clamping plate, 5, traction frame, 6, auxiliary plate, 7, clamping motor, 8, clamping screw rod, 9, bending push plate, 10, bending limiting slide, 11, limiting plate, 12, angle adjusting slide, 13, bending angle scale line, 14, internal thread hole, 15, external thread stop rod, 16, auxiliary knob, 17, mounting groove one, 18, abutment rotating rod one, 19, bending scale line, 20, limiting sliding groove, 21, extension plate, 22, extension scale line, 23, abutment plate, 24, connecting groove, 25, return spring, 26, rotating ring, 27, drive gear slot, 28, fixed frame, 29, drive motor, 30, drive gear, 31, mounting groove two, 32, abutment rotating rod two, 33, connecting rod, 34, locking screw rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0025] Embodiment:

[0026] Please refer to Figures 1-7The utility model provides a technical scheme: an aluminium alloy profile bending structure, the utility model discloses a clamping mechanism is provided with on the operating platform 1, the lower extreme of operating platform 1 is provided with bending drive mechanism, the rear side of clamping mechanism is provided with bending push plate 9, and the front side end of bending push plate 9 lower surface is rotationally connected with the upper end of operating platform 1, and the bending limiting slide 10 is seted up on operating platform 1, and the bending limiting slide 10 is arc-shaped, and the connecting end of bending push plate 9 and operating platform 1 is located at the position of the center of bending limiting slide 10, and the lower extreme of bending push plate 9 is fixedly connected with connecting rod 33, and the lower extreme of connecting rod 33 passes through bending limiting slide 10 and is connected with bending drive mechanism, and the rear side end of bending push plate 9 is provided with limiting sliding slot 20, and the rear side of bending push plate 9 is provided with extension plate 21, and the front side end of extension plate 21 extends to limiting sliding slot 20 and is slidably connected with limiting sliding slot 20, and the rear side end of extension plate 21 is fixedly connected with abutting plate 23, and the upper end of bending push plate 9 is provided with bending scale line 19, and the upper end of extension plate 21 is provided with extension scale line 22, and the left side of bending push plate 9 is provided with bending angle limiting mechanism, and the right side end of bending push plate 9 is provided with mounting groove one 17, and the inboard of mounting groove one 17 is provided with a plurality of abutting rotary rod one 18, and the upper and lower ends of abutting rotary rod one 18 are rotationally connected with the upper and lower two side inner walls of mounting groove one 17 respectively;

[0027] The bending angle limiting mechanism includes a limiting plate 11, which is arranged in an arc shape and coincides with the center of the bending limiting slide 10. An angle adjusting slide 12 is formed on the limiting plate 11. A plurality of internally threaded holes 14 are formed on the operating platform 1 and are located below the angle adjusting slide 12. An auxiliary knob 16 is arranged above the limiting plate 11. An externally threaded stop rod 15 is fixedly connected to the lower end of the auxiliary knob 16. The lower end of the externally threaded stop rod 15 penetrates the angle adjusting slide 12 and extends into the internally threaded hole 14. The externally threaded stop rod 15 is threadedly connected with the internally threaded hole 14. A plurality of bending angle scale lines 13 are formed on the upper end of the limiting plate 11. The plurality of bending angle scale lines 13 correspond to the plurality of internally threaded holes 14. During use, the externally threaded stop rod 15 is matched with the internally threaded hole 14 corresponding to the bending angle scale line 13 according to the required bending angle. During the bending operation, when the bending angle reaches the specified angle, the inner wall of the angle adjusting slide 12 away from the bending push plate 9 abuts against the outer wall of the externally threaded stop rod 15.

[0028] The clamping mechanism comprises a fixed clamping plate 2 and a movable clamping plate 4, the fixed clamping plate 2 is fixed at the upper end of the operation table 1, the fixed clamping plate 2 is located at the front side of the bending push plate 9, the movable clamping plate 4 is located at the right side of the fixed clamping plate 2, the movable clamping plate 4 is slidably connected with the upper end of the operation table 1 through a limiting sliding groove 20, the upper end of the fixed clamping plate 2 is fixedly connected with a protective baffle 3, the right side end of the protective baffle 3 extends to the right side of the fixed clamping plate 2, the upper end surface of the movable clamping plate 4 is lower than the lower end surface of the protective baffle 3, a traction frame 5 is arranged above the operation table 1, the traction frame 5 is in a U shape, the right side inner wall of the traction frame 5 is fixedly connected with the right side end of the movable clamping plate 4, the left side wall of the traction frame 5 is located at the left side of the fixed clamping plate 2, a auxiliary plate 6 is fixedly connected on the operation table 1, a clamping motor 7 is arranged on the left side of the auxiliary plate 6, the clamping motor 7 is fixedly connected with the upper surface of the operation table 1, a clamping lead screw 8 is fixedly connected with the output end of the clamping motor 7, the right side end of the clamping lead screw 8 penetrates the left side wall of the traction frame 5 and the auxiliary plate 6 in sequence and is rotatably connected with the left side end of the fixed clamping plate 2, the clamping lead screw 8 is threadedly connected with the left side wall of the traction frame 5, the upper end of the protective baffle 3 is slidably connected with the upper side inner wall of the traction frame 5 through a limiting sliding groove 20, in use, the aluminum alloy profile to be bent is inserted between the fixed clamping plate 2 and the movable clamping plate 4, when the rear end of the aluminum alloy profile moves to the specified position, the clamping motor 7 is started, the clamping motor 7 drives the clamping lead screw 8 to rotate, and then drives the traction frame 5 and the movable clamping plate 4 to move towards the fixed clamping plate 2, and then the position of the aluminum alloy profile is fixed by the cooperation of the movable clamping plate 4 and the fixed clamping plate 2, and the aluminum alloy profile is limited by the cooperation of the protective baffle 3 and the upper side wall of the traction frame 5, so as to avoid the problem that the aluminum alloy profile slips off during the bending process, and the safety of the device in use is improved;

[0029] The rear end of the movable clamping plate 4 is provided with a mounting groove two 31, the inner side of the mounting groove two 31 is provided with an abutting rotating rod two 32, the upper and lower ends of the abutting rotating rod two 32 are rotatably connected with the upper and lower inner walls of the mounting groove two 31 respectively, the rear side surface of the abutting rotating rod two 32 is located in the same plane as the rear side end of the fixed clamping plate 2, and the outer side wall of the abutting rotating rod two 32 abuts against the side wall of the position of the aluminum alloy profile during the bending operation, and the influence of the deformation of the aluminum alloy on the device during the bending operation is ensured by the rotating structure of the abutting rotating rod two 32;

[0030] The bending driving mechanism comprises a rotating ring 26, which is rotationally connected to the lower end of the operation table 1, the center of the circle where the rotating ring 26 is located coincides with the center of the circle where the bending limiting slide 10 is located, a driving gear slot 27 is formed in the inner side wall of the rotating ring 26, the lower end of the operation table 1 is fixedly connected with a fixed frame 28, the upper inner wall of the fixed frame 28 is fixedly connected with a driving motor 29, the output end of the driving motor 29 is fixedly connected with a driving gear 30, the output end of the driving motor 29 is fixedly connected with the driving gear 30, the upper end of the driving gear 30 is rotationally connected to the lower end of the operation table 1, the driving gear 30 is engaged with the driving gear slot 27, the upper end of the rotating ring 26 is fixedly connected to the lower end of the connecting rod 33, and the rotation of the bending push plate 9 can be driven by the cooperation of the driving motor 29, the driving gear 30 and the driving gear slot 27 in the rotating ring 26.

[0031] The front end of the extension plate 21 is provided with a connecting groove 24, the rear inner wall of the connecting groove 24 is fixedly connected with a return spring 25, the front end of the return spring 25 is fixedly connected with the front inner wall of the limiting sliding groove 20, the left side of the bending push plate 9 is provided with a locking lead screw 34, the right end of the locking lead screw 34 penetrates through the left side wall of the limiting sliding groove 20 and abuts against the left end of the extension plate 21, the locking lead screw 34 is threadedly connected with the left side wall of the limiting sliding groove 20, in use, the position of the extension plate 21 is adjusted according to the required bending size, and the position of the extension plate 21 is fixed by the locking lead screw 34, so that the device can be used without repeatedly watching the scale line when a large number of aluminum alloy profiles are bent, the processing efficiency is greatly improved, and the automatic storage of the extension plate 21 after use is realized by the setting of the return spring 25.

[0032] Principle: in use, according to the bending requirements, the position and the angle of the aluminum alloy bending are determined, the driving motor 29 drives the driving gear 30 to rotate, the bending push plate 9 is moved to the vertical direction by the cooperation of the driving gear 30 and the rotating ring 26 inside driving tooth groove 27, at this time, the outside end of the abutting rotating rod 18 on the bending push plate 9 is located in the same plane with the right side wall of the fixed clamping plate 2, according to the angle of the required bending, the outer thread stop rod 15 is matched with the corresponding inner thread hole 14 of the bending angle scale line 13, when the bending position size is located in the range of the bending scale line 19, the bending scale line 19 is used for measurement, when the bending position size exceeds the range of the bending scale line 19, the position of the extension plate 21 is adjusted according to the required bending size, and the position of the extension plate 21 is fixed by the locking screw rod 34, and the position of one end of the aluminum alloy profile is determined by the abutting plate 23; the aluminum alloy profile to be bent is inserted from the middle of the fixed clamping plate 2 and the movable clamping plate 4, when the rear end of the aluminum alloy profile moves to the specified position, the clamping motor 7 is started, the clamping motor 7 drives the clamping screw rod 8 to rotate, and then drives the traction frame 5 and the movable clamping plate 4 to move towards the fixed clamping plate 2, and then the position of the aluminum alloy profile is fixed by the cooperation of the movable clamping plate 4 and the fixed clamping plate 2, the driving motor 29 drives the driving gear 30 to rotate, the bending push plate 9 is driven to rotate by the cooperation of the driving gear 30 and the driving tooth groove 27, and then the aluminum alloy profile is bent, when the angle is bent to the specified angle, the inner wall of the angle adjusting slide 12 away from the side of the bending push plate 9 abuts against the outer wall of the outer thread stop rod 15, thereby completing the specified angle bending operation of the aluminum alloy profile.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, replacements and variations of the embodiments can be made by those skilled in the art without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An aluminum alloy profile bending structure comprising an operation table (1), characterized in that: The operating table (1) is provided with a clamping mechanism above, the lower end of the operating table (1) is provided with a bending driving mechanism, the rear side of the clamping mechanism is provided with a bending push plate (9), the front side end of the lower surface of the bending push plate (9) is rotatably connected with the upper end of the operating table (1), the operating table (1) is provided with a bending limiting slide (10) above, the bending limiting slide (10) is arc-shaped, the connecting end of the bending push plate (9) and the operating table (1) is located at the center position of the bending limiting slide (10), the lower end of the bending push plate (9) is fixedly connected with a connecting rod (33), the lower end of the connecting rod (33) penetrates through the bending limiting slide (10) and is connected with the bending driving mechanism, the rear side end of the bending push plate (9) is provided with a limiting sliding groove (20), the rear side of the bending push plate (9) is provided with an extension plate (21), the front side end of the extension plate (21) extends into the limiting sliding groove (20) and is slidably connected with the limiting sliding groove (20), the rear side end of the extension plate (21) is fixedly connected with an abutting plate (23), the upper end of the bending push plate (9) is provided with a bending scale line (19), the upper end of the extension plate (21) is provided with an extension scale line (22), the left side of the bending push plate (9) is provided with a bending angle limiting mechanism, the right side end of the bending push plate (9) is provided with a mounting groove (17), the inner side of the mounting groove (17) is provided with a plurality of abutting rotating rods (18), the upper and lower ends of the abutting rotating rods (18) are rotatably connected with the upper and lower inner walls of the mounting groove (17) respectively.

2. The bent structure of an aluminum alloy extrusion according to claim 1, characterized in that: The bending angle limiting mechanism comprises a limiting plate (11), the limiting plate (11) is provided in an arc-shaped structure, the limiting plate (11) coincides with the center position of the bending limiting slide (10), the limiting plate (11) is provided with an angle adjusting slide (12) above, the operating table (1) is provided with a plurality of internal thread holes (14) above, the internal thread holes (14) are located below the angle adjusting slide (12), the upper side of the limiting plate (11) is provided with an auxiliary knob (16), the lower end of the auxiliary knob (16) is fixedly connected with an external thread stop rod (15), the lower end of the external thread stop rod (15) penetrates through the angle adjusting slide (12) and extends into the internal thread hole (14), and the external thread stop rod (15) is threadedly connected with the internal thread hole (14).

3. The bent structure of an aluminum alloy profile according to claim 2, characterized in that: The upper end of the limiting plate (11) is provided with a plurality of bending angle scale lines (13), and the plurality of bending angle scale lines (13) correspond to the plurality of internal thread holes (14).

4. The aluminum alloy extrusion bend structure of claim 1, wherein: The clamping mechanism comprises a fixed clamping plate (2) and a movable clamping plate (4), the fixed clamping plate (2) is fixed at the upper end of the operating table (1), the fixed clamping plate (2) is located at the front side of the bending push plate (9), the movable clamping plate (4) is located at the right side of the fixed clamping plate (2), the movable clamping plate (4) is slidably connected with the upper end of the operating table (1) through a limiting sliding groove (20), the upper end of the fixed clamping plate (2) is fixedly connected with a protective baffle (3), the right side end of the protective baffle (3) extends to the right side of the fixed clamping plate (2), the upper end face of the movable clamping plate (4) is lower than the lower end face of the protective baffle (3), a traction frame (5) is arranged above the operating table (1), the traction frame (5) is in a U shape, the right side inner wall of the traction frame (5) is fixedly connected with the right side end of the movable clamping plate (4), the left side wall of the traction frame (5) is located at the left side of the fixed clamping plate (2), a auxiliary plate (6) is fixedly connected on the operating table (1), a clamping motor (7) is arranged on the left side of the auxiliary plate (6), the clamping motor (7) is fixedly connected with the upper surface of the operating table (1), the output end of the clamping motor (7) is fixedly connected with a clamping lead screw (8), the right side end of the clamping lead screw (8) penetrates the left side wall of the traction frame (5) and the auxiliary plate (6) in sequence and is rotatably connected with the left side end of the fixed clamping plate (2), the clamping lead screw (8) is threadedly connected with the left side wall of the traction frame (5), the upper end of the protective baffle (3) is slidably connected with the upper side inner wall of the traction frame (5) through a limiting sliding groove (20).

5. An aluminium alloy profiled bend structure according to claim 4, characterised in that: The rear end of the movable clamping plate (4) is provided with a mounting groove (31), the inner side of the mounting groove (31) is provided with an abutting rotating rod (32), the upper and lower ends of the abutting rotating rod (32) are rotatably connected with the upper and lower inner walls of the mounting groove (31), respectively, and the rear surface of the rotating rod (32) is located in the same plane as the rear end of the fixed clamping plate (2).

6. The aluminum alloy extrusion bend structure of claim 1, wherein: The bending driving mechanism comprises a rotating ring (26), the rotating ring (26) is rotatably connected with the lower end of the operating table (1), the center of the circle where the rotating ring (26) is located coincides with the center of the circle where the bending limiting sliding groove (10) is located, a driving gear slot (27) is formed in the inner side wall of the rotating ring (26), the lower end of the operating table (1) is fixedly connected with a fixed frame (28), the upper side inner wall of the fixed frame (28) is fixedly connected with a driving motor (29), the output end of the driving motor (29) is fixedly connected with a driving gear (30), the upper end of the driving gear (30) is rotatably connected with the lower end of the operating table (1), the driving gear (30) is engaged with the driving gear slot (27), and the upper end of the rotating ring (26) is fixedly connected with the lower end of a connecting rod (33).

7. The aluminum alloy extrusion bend structure of claim 1, wherein: The front side end of the extension plate (21) is provided with a connecting groove (24), the rear side inner wall of the connecting groove (24) is fixedly connected with a reset spring (25), the front side end of the reset spring (25) is fixedly connected with the front side inner wall of the limiting sliding groove (20), the left side of the bending push plate (9) is provided with a locking lead screw (34), the right side end of the locking lead screw (34) penetrates through the left side wall of the limiting sliding groove (20) and abuts against the left side end of the extension plate (21), and the locking lead screw (34) and the left side wall of the limiting sliding groove (20) are threadedly connected.

Images