Sheet metal bending machine capable of conveniently adjusting bending angle

Abstract

The invention relates to the technical field of metal plate bending machines, in particular to a metal plate bending machine convenient to adjust the bending angle, a workbench is fixedly arranged on a base, a bending mechanism is arranged on the base and is arranged on the side of the workbench, a driving mechanism is arranged on the base and is matched with the bending mechanism, and an adjusting mechanism is arranged on the base. The adjusting mechanism is matched with the driving mechanism; by arranging the clamping structure for the plate and installing the clamping structure on the rotating structure with the adjustable angle, the bending angle of the plate is adjusted by controlling the rotating angle of the rotating structure, and the control structure for adjusting the rotating angle is linearly adjusted, so that controllable adjustment of any angle is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of sheet metal bending machines, and in particular to a sheet metal bending machine which is convenient for adjusting a bending angle. Background Art

[0002] The production of metal chassis involves bending the entire plate, that is, sheet metal processing of the plate. For non-standard shaped chassis, different bending angles are required when bending the plate. Conventional sheet metal bending equipment only has a few conventional angle processing gears according to the mold shape during processing, so conventional equipment cannot perform non-standard sheet metal processing. For this, it is necessary to improve the design of sheet metal bending machines. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a sheet metal bending machine that is easy to adjust the bending angle. It provides a clamping structure for the sheet and installs the clamping structure on a rotating structure with adjustable angle, so that the bending angle of the sheet can be adjusted by controlling the rotation angle of the rotating structure. The control structure for adjusting the rotation angle is a linear adjustment, so that controllable adjustment of any angle can be achieved.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] It comprises a base and a workbench, wherein the workbench is fixedly arranged on the base, and it also comprises:

[0006] A bending mechanism, wherein the bending mechanism is arranged on the base and the bending mechanism is arranged on the side of the workbench;

[0007] A driving mechanism, wherein the driving mechanism is arranged on the base, and the driving mechanism is arranged in cooperation with the bending mechanism;

[0008] The adjusting mechanism is arranged on the base, and the adjusting mechanism is arranged in cooperation with the driving mechanism.

[0009] Preferably, the bending mechanism comprises:

[0010] A frame, wherein the frame is fixedly arranged on the upper surface of the base and arranged on the left side of the workbench;

[0011] A mounting frame, wherein the mounting frame is arranged inside the frame;

[0012] Support shafts, two of which form a group and are respectively fixedly arranged on the front and rear side walls of the mounting frame, and the support shafts are rotatably connected and inserted into the mounting frame;

[0013] A support seat, wherein the support seat is fixedly arranged on the mounting frame;

[0014] A clamping seat, wherein the clamping seat is rotatably mounted on the mounting frame via a rotating shaft, and the clamping seat is movably covered on the upper surface of the supporting seat;

[0015] The rotary oil cylinder is fixedly arranged on the mounting frame, and the output shaft of the rotary oil cylinder is transmission-connected with the rotating shaft of the clamping seat.

[0016] Preferably, the lower end of the side wall of the support seat facing the workbench is inclined toward the side away from the workbench, the upper end of the side wall of the clamping seat facing the workbench is inclined toward the side away from the workbench, and the acute-angled side edge of the support seat and the acute-angled side edge of the clamping seat are against each other.

[0017] Preferably, the driving mechanism comprises:

[0018] A transmission shaft, wherein the transmission shaft is screwed through the frame via a bearing, and the axis of the transmission shaft and the axis of the support shaft are arranged parallel to each other;

[0019] Driving gears, two of which are in a group and are fixedly arranged at the front and rear ends of the transmission shaft respectively;

[0020] A driven gear, wherein two driven gears are formed in a group and are fixedly arranged on the support shafts at the front and rear sides, respectively, and the driving gears at the front and rear sides are respectively meshed with the driven gears at the front and rear sides;

[0021] An installation shaft, wherein the installation shaft is fixedly arranged at the front end of the transmission shaft;

[0022] The swing arm is fixedly arranged on the mounting shaft.

[0023] Preferably, the adjustment mechanism comprises:

[0024] A support frame, wherein the support frame is fixedly arranged on the base;

[0025] A supporting slide rail, wherein the supporting slide rail is fixedly arranged on the inner wall of the supporting frame;

[0026] A lifting frame, wherein the lifting frame is arranged inside the supporting frame;

[0027] A lifting slider, wherein the lifting slider is fixedly arranged on the lifting frame, and the lifting slider is slidably mounted on the supporting slide rail;

[0028] A lifting hydraulic rod, wherein the lifting hydraulic rod is fixedly arranged on the base, and an output shaft of the lifting hydraulic rod is fixedly arranged on the lifting frame;

[0029] A stepping hydraulic rod is fixedly arranged on the lifting frame, and the output shaft of the stepping hydraulic rod is arranged in transmission with the swing arm.

[0030] Preferably, a guide sleeve is provided on the movable sleeve of the swing arm, a connecting frame is rotatably provided on the guide sleeve via a rotating shaft, and the output shaft of the stepping hydraulic rod is fixedly arranged on the connecting frame.

[0031] Preferably, a support rod is fixedly provided on the lifting frame, and the axis of the support rod is arranged parallel to the axis of the stepping hydraulic rod. A support sleeve is rotatably provided on the connecting frame through a rotating shaft, and the support sleeve is movably sleeved on the support rod.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] 1. The device is provided with a rotatable mounting frame, a fixed support seat and a clamping seat that can be opened and closed and rotated, so that the plate is clamped and fixed by the support seat and the clamping seat, and the plate is driven to be bent by the rotation of the mounting frame;

[0034] 2. The device is provided with a transmission shaft, and a swing arm is provided on the transmission shaft through the mounting shaft, and a driving gear and a driven gear are provided to connect the transmission shaft with the supporting shaft, so that the mounting frame is driven to rotate by pushing the swing arm to realize the bending processing of the plate;

[0035] 3. The device sets a stepping hydraulic rod through a lifting frame, and is connected to the swing arm through a connecting frame and a guide sleeve. Thus, by adjusting the height of the lifting frame, that is, adjusting the distance between the guide sleeve and the mounting axis, the rotation angle of the swing arm can be adjusted while the stroke of the stepping hydraulic rod remains unchanged, that is, adjusting the rotation angle of the mounting frame, thereby achieving different bending angles of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the present invention.

[0037] Figure 2 yes Figure 1 Right front side view.

[0038] Figure 3 yes Figure 1 Rear right side view.

[0039] Figure 4 It is a structural schematic diagram of the mecha and the mounting frame in the present invention.

[0040] Figure 5 It is a structural schematic diagram of the mounting frame, the transmission shaft and the swing arm in the present invention.

[0041] Figure 6 It is a structural schematic diagram of the support seat and the clamping seat in the present invention.

[0042] Figure 7 It is a structural schematic diagram of the lifting frame, the connecting frame and the supporting rod in the present invention.

[0043] Description of reference numerals:

[0044] Base 1, workbench 2, bending mechanism 3, frame 3-1, mounting frame 3-2, support shaft 3-3, support seat 3-4, clamping seat 3-5, rotary cylinder 3-6, driving mechanism 4, transmission shaft 4-1, driving gear 4-2, driven gear 4-3, mounting shaft 4-4, swing arm 4-5, adjusting mechanism 5, support frame 5-1, supporting slide rail 5-2, lifting frame 5-3, lifting slide block 5-4, lifting hydraulic rod 5-5, stepping hydraulic rod 5-6, guide sleeve 6, connecting frame 7, support rod 8, support sleeve 9. DETAILED DESCRIPTION

[0045] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0046] Embodiment 1:

[0047] like Figure 1-7 As shown, this embodiment comprises a base 1 and a workbench 2, wherein the workbench 2 is fixedly arranged on the base 1, and further comprises:

[0048] A bending mechanism 3, wherein the bending mechanism 3 is arranged on the base 1, and the bending mechanism 3 is arranged on the side of the workbench 2;

[0049] A driving mechanism 4, wherein the driving mechanism 4 is disposed on the base 1, and the driving mechanism 4 is cooperatively disposed with the bending mechanism 3;

[0050] An adjusting mechanism 5, wherein the adjusting mechanism 5 is arranged on the base 1, and the adjusting mechanism 5 is arranged in cooperation with the driving mechanism 4;

[0051] The bending mechanism 3 comprises:

[0052] A frame 3-1, wherein the frame 3-1 is fixedly arranged on the upper surface of the base 1, and the frame 3-1 is arranged on the left side of the workbench 2;

[0053] A mounting frame 3-2, wherein the mounting frame 3-2 is arranged inside the frame 3-1;

[0054] Support shafts 3-3, two of the support shafts 3-3 form a group and are respectively fixedly arranged on the front and rear side walls of the mounting frame 3-2, and the support shafts 3-3 are screwed and inserted into the mounting frame 3-2;

[0055] A support seat 3-4, wherein the support seat 3-4 is fixedly arranged on the mounting frame 3-2;

[0056] A clamping seat 3-5, wherein the clamping seat 3-5 is rotatably mounted on the mounting frame 3-2 via a rotating shaft, and the clamping seat 3-5 is movably covered on the upper surface of the supporting seat 3-4;

[0057] A rotary cylinder 3-6, wherein the rotary cylinder 3-6 is fixedly arranged on the mounting frame 3-2, and the output shaft of the rotary cylinder 3-6 is transmission-connected to the rotating shaft of the clamping seat 3-5;

[0058] The lower end of the side wall of the support seat 3-4 facing the workbench 2 is tilted toward the side away from the workbench 2, and the upper end of the side wall of the clamping seat 3-5 facing the workbench 2 is tilted toward the side away from the workbench 2, and the acute angle side of the support seat 3-4 and the acute angle side of the clamping seat 3-5 are mutually abutted;

[0059] The driving mechanism 4 comprises:

[0060] A transmission shaft 4-1, wherein the transmission shaft 4-1 is screwed through the frame 3-1 via a bearing, and the axis of the transmission shaft 4-1 and the axis of the support shaft 3-3 are arranged parallel to each other;

[0061] Driving gears 4-2, wherein two driving gears 4-2 are formed in a group and are fixedly arranged at the front and rear ends of the transmission shaft 4-1 respectively;

[0062] Driven gears 4-3, wherein two driven gears 4-3 are formed in a group and are fixedly arranged on the support shafts 3-3 at the front and rear sides, respectively, and the driving gears 4-2 at the front and rear sides are respectively meshed with the driven gears 4-3 at the front and rear sides;

[0063] An installation shaft 4-4, wherein the installation shaft 4-4 is fixedly arranged at the front end of the transmission shaft 4-1;

[0064] A swing arm 4-5, wherein the swing arm 4-5 is fixedly arranged on the mounting shaft 4-4;

[0065] The adjustment mechanism 5 comprises:

[0066] Support frame 5-1, the support frame 5-1 is fixedly arranged on the base 1;

[0067] A support rail 5-2, wherein the support rail 5-2 is fixedly arranged on the inner wall of the support frame 5-1;

[0068] A lifting frame 5-3, wherein the lifting frame 5-3 is arranged inside the supporting frame 5-1;

[0069] A lifting slider 5-4, wherein the lifting slider 5-4 is fixedly arranged on the lifting frame 5-3, and the lifting slider 5-4 is slidably mounted on the supporting slide rail;

[0070] A lifting hydraulic rod 5-5, wherein the lifting hydraulic rod 5-5 is fixedly arranged on the base 1, and an output shaft of the lifting hydraulic rod 5-5 is fixedly arranged on the lifting frame 5-3;

[0071] A stepping hydraulic rod 5-6, wherein the stepping hydraulic rod 5-6 is fixedly arranged on the lifting frame 5-3, and the output shaft of the stepping hydraulic rod 5-6 is arranged in transmission with the swing arm 4-5;

[0072] A guide sleeve 6, wherein the guide sleeve 6 is movably mounted on the rotary arm 4-5;

[0073] A connecting frame 7, wherein the connecting frame 7 is rotatably mounted on the guide sleeve 6 via a rotating shaft, and the output shaft of the stepping hydraulic rod 5-6 is fixedly mounted on the connecting frame 7;

[0074] A support rod 8, wherein the support rod 8 is fixedly arranged on the lifting frame 5-3, and the axis of the support rod 8 is arranged parallel to the axis of the stepping hydraulic rod 5-6;

[0075] The support sleeve 9 is rotatably mounted on the connecting frame 7 via a rotating shaft, and the support sleeve 9 is movably mounted on the support rod 8.

[0076] By adopting the technical solution disclosed in the present invention, it is possible to achieve:

[0077] When using this device, firstly, the clamping seat 3-5 is driven to open by the rotary cylinder 3-6, then the sheet to be bent is placed on the workbench 2, and the sheet is pushed to extend the bent side of the sheet into between the support seat 3-4 and the clamping seat 3-5, then the clamping seat 3-5 is driven to reset by the rotary cylinder 3-6, so that the side of the sheet is clamped by the clamping seat 3-5 and the support seat 3-4, then the connecting frame 7 is driven by the stepping hydraulic rod 5-6 to move in a straight line, and the connecting frame 7 drives the guide sleeve 6 to move, thereby driving the swing arm 4-5 to rotate through the guide sleeve 6, and the swing arm 4-5 drives the transmission shaft 4-1 to rotate through the mounting shaft 4-4, and the transmission shaft 4-1 drives the support shaft 3-3 to rotate through the mutually meshing driving gear 4-2 and the driven gear 4-3, and the support shaft 3-3 drives the mounting frame 3-2 to rotate, so that the mounting frame 3-2 drives the support seat 3-4 and the clamping seat 3-5 to rotate to achieve bending of the sheet; when the sheet needs When the bending angle is different, that is, the rotation angle of the mounting frame 3-2 is different, the travel distance of the connecting frame 7 pushed by the stepping hydraulic rod 5-6 remains unchanged, so that by adjusting the distance between the guide sleeve 6 and the connecting frame 7 and the mounting shaft 4-4, the guide sleeve 6 pushes the swing arm 4-5 to rotate at a different angle, that is, the swing arm 4-5 drives the transmission shaft 4-1 to rotate at a different angle, that is, the mounting frame 3-2 rotates at a different angle, that is, the bending angle of the plate is different, and the lifting frame 5-3 is pushed upward by the lifting hydraulic rod 5-5, thereby driving the guide sleeve 6 to move upward, so that the guide sleeve 6 moves to the side away from the mounting shaft 4-4, that is, the guide sleeve 6 pushes the swing arm 4-5 to rotate at a reduced angle, and the lifting frame 5-3 moves downward, and the guide sleeve 6 moves to the side close to the mounting shaft 4-4, that is, the angle of the swing arm 4-5 to rotate is increased; when the stepping hydraulic rod 5-6 pushes the connecting frame 7 and the guide sleeve 6 to move, the connecting frame 7 slides on the support rod 8 through the support sleeve 9.

[0078] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0079] 1. The device is provided with a rotatable mounting frame 3-2, and a fixed support seat 3-4 and a rotatable clamping seat 3-5 are provided on the mounting frame 3-2, so that the plate is clamped and fixed by the support seat 3-4 and the clamping seat 3-5, and the plate is driven to be bent by the rotation of the mounting frame 3-2;

[0080] 2. The device is provided with a transmission shaft 4-1, and a swing arm 4-5 is provided on the transmission shaft 4-1 through a mounting shaft 4-4, and a driving gear 4-2 and a driven gear 4-3 are provided to drive and connect the transmission shaft 4-1 with a supporting shaft 3-3, so that the swing arm 4-5 is driven to rotate to drive the mounting frame 3-2 to rotate, thereby realizing the bending processing of the plate;

[0081] 3. The device is provided with a stepping hydraulic rod 5-6 through a lifting frame 5-3, and is connected to the swing arm 4-5 through a connecting frame 7 and a guide sleeve 6. Thus, by adjusting the height of the lifting frame 5-3, that is, adjusting the distance between the guide sleeve 6 and the mounting shaft 4-4, the rotation angle of the swing arm 4-5 can be adjusted while the stroke of the stepping hydraulic rod 5-6 remains unchanged, that is, adjusting the rotation angle of the mounting frame 3-2, and thus achieving different bending angles of the plate.

[0082] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sheet metal bending machine that is convenient for adjusting the bending angle, comprising a base (1) and a workbench (2), wherein the workbench (2) is fixedly arranged on the base (1); characterized in that: It also contains: A bending mechanism (3), wherein the bending mechanism (3) is arranged on the base (1), and the bending mechanism (3) is arranged on the side of the workbench (2); A driving mechanism (4), wherein the driving mechanism (4) is arranged on the base (1), and the driving mechanism (4) is arranged in coordination with the bending mechanism (3); An adjusting mechanism (5), wherein the adjusting mechanism (5) is arranged on the base (1), and the adjusting mechanism (5) is arranged in coordination with the driving mechanism (4).

2. A sheet metal bending machine that is easy to adjust the bending angle according to claim 1, characterized in that: The bending mechanism (3) comprises: A frame (3-1), wherein the frame (3-1) is fixedly arranged on the upper surface of the base (1), and the frame (3-1) is arranged on the left side of the workbench (2); A mounting frame (3-2), wherein the mounting frame (3-2) is arranged inside the frame (3-1); Support shafts (3-3), two of the support shafts (3-3) form a group and are respectively fixedly arranged on the front and rear side walls of the mounting frame (3-2), and the support shafts (3-3) are screwed and inserted into the mounting frame (3-2); A support seat (3-4), wherein the support seat (3-4) is fixedly arranged on the mounting frame (3-2); A clamping seat (3-5), wherein the clamping seat (3-5) is rotatably mounted on the mounting frame (3-2) via a rotating shaft, and the clamping seat (3-5) is movably covered on the upper surface of the supporting seat (3-4); The rotary oil cylinder (3-6) is fixedly arranged on the mounting frame (3-2), and the output shaft of the rotary oil cylinder (3-6) is drivingly connected to the rotating shaft of the clamping seat (3-5).

3. A sheet metal bending machine that is easy to adjust the bending angle according to claim 2, characterized in that: The lower end of the side wall of the support seat (3-4) facing the workbench (2) is inclined toward the side away from the workbench (2), and the upper end of the side wall of the clamping seat (3-5) facing the workbench (2) is inclined toward the side away from the workbench (2), and the acute angle side edge of the support seat (3-4) and the acute angle side edge of the clamping seat (3-5) are mutually abutted.

4. A sheet metal bending machine that is easy to adjust the bending angle according to claim 3, characterized in that: The driving mechanism (4) comprises: A transmission shaft (4-1), wherein the transmission shaft (4-1) is screwed onto the frame (3-1) via a bearing, and the axis of the transmission shaft (4-1) and the axis of the support shaft (3-3) are arranged parallel to each other; Driving gears (4-2), wherein two driving gears (4-2) form a group and are respectively fixedly arranged at the front and rear ends of the transmission shaft (4-1); Driven gears (4-3), wherein two driven gears (4-3) form a group and are respectively fixedly arranged on the support shafts (3-3) at the front and rear sides, and the driving gears (4-2) at the front and rear sides are respectively meshed with the driven gears (4-3) at the front and rear sides; An installation shaft (4-4), wherein the installation shaft (4-4) is fixedly arranged at the front end of the transmission shaft (4-1); A rotary arm (4-5), wherein the rotary arm (4-5) is fixedly arranged on the mounting shaft (4-4).

5. A sheet metal bending machine that is convenient for adjusting the bending angle according to claim 4, characterized in that: The regulating mechanism (5) comprises: A support frame (5-1), wherein the support frame (5-1) is fixedly arranged on the base (1); A supporting slide rail (5-2), wherein the supporting slide rail (5-2) is fixedly arranged on the inner wall of the supporting frame (5-1); A lifting frame (5-3), wherein the lifting frame (5-3) is arranged inside the supporting frame (5-1); A lifting slider (5-4), wherein the lifting slider (5-4) is fixedly arranged on the lifting frame (5-3), and the lifting slider (5-4) is slidably mounted on the supporting slide rail (5-2); A lifting hydraulic rod (5-5), wherein the lifting hydraulic rod (5-5) is fixedly arranged on the base (1), and an output shaft of the lifting hydraulic rod (5-5) is fixedly arranged on the lifting frame (5-3); A stepping hydraulic rod (5-6), wherein the stepping hydraulic rod (5-6) is fixedly arranged on the lifting frame (5-3), and an output shaft of the stepping hydraulic rod (5-6) is arranged in transmission with the swing arm (4-5).

6. A sheet metal bending machine that is convenient for adjusting the bending angle according to claim 5, characterized in that: A guide sleeve (6) is movably sleeved on the swing arm (4-5), a connecting frame (7) is rotatably mounted on the guide sleeve (6) via a rotating shaft, and an output shaft of the stepping hydraulic rod (5-6) is fixedly mounted on the connecting frame (7).

7. A sheet metal bending machine that is convenient for adjusting the bending angle according to claim 6, characterized in that: A support rod (8) is fixedly arranged on the lifting frame (5-3), and the axis of the support rod (8) is arranged parallel to the axis of the stepping hydraulic rod (5-6); a support sleeve (9) is rotatably arranged on the connecting frame (7) through a rotating shaft, and the support sleeve (9) is movably sleeved on the support rod (8).

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