Multi-angle transposition mechanism for metal plate bending

Abstract

The invention discloses a multi-angle transposition mechanism for metal plate bending, and relates to the technical field of metal plate machining, the multi-angle transposition mechanism comprises a horizontal adjusting mechanism, a connecting mechanism, a lifting mechanism, a connecting block and a fine adjustment mechanism, the connecting mechanism is arranged at the top of the horizontal adjusting mechanism, and the lifting mechanism is installed at the top of the connecting mechanism; the second adjusting block is loosened by rotating a wrench on one side of the second adjusting block, so that the bottom surface of the second adjusting block can slide relative to the top of the first adjusting block; the sliding mechanism allows the second adjusting block to drive the lifting mechanism to incline front and back, and then front-back angle adjustment of the metal plate is achieved. Through the synergistic effect between the first adjusting block and the second adjusting block, the mechanism can achieve all-dimensional multi-angle transposition, and the flexibility and adaptability in the sheet metal machining process are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of sheet metal processing, and particularly to a multi-angle transposition mechanism for sheet metal bending. Background Art

[0002] In the field of sheet metal processing, the bending operation is one of the key steps to achieve sheet metal forming. In order to improve the bending accuracy and efficiency, the application of automated robotic arms has gradually increased. These robotic arms are usually equipped with suction cups to adsorb the sheet metal, thus replacing manual operation to achieve multi-angle transposition of the sheet metal.

[0003] After retrieval, a patent with the authorization number CN221695050U in China discloses a multi-angle transposition mechanism for sheet metal bending. By setting a turntable, a screw rod, a threaded groove, a rotating column and a rotating seat, rotating the screw rod to disengage it from the threaded groove, and rotating the turntable, the rotating column drives the rotating seat and the support to horizontally rotate to a certain angle, further realizing multi-angle transposition of the sheet metal bending. Only two kinetic energies of the second motor and the electric push rod are used to realize the distance adjustment and multi-angle adjustment between the two second brackets, reducing the use cost and improving the practicability;

[0004] However, the multi-angle transposition mechanisms in the existing technologies can often only achieve the rotation and lifting adjustment of the sheet metal in the vertical plane, and lack the ability to adjust the left and right inclination angles in the horizontal plane. This limits the adaptability of the sheet metal in complex bending operations. Especially when asymmetrical bending of the sheet metal is required, during the sheet metal processing, in addition to the need for precise positioning in the vertical and horizontal directions, sometimes fine adjustment in the horizontal direction is also required to adapt to different processing positions. The existing transposition mechanisms often neglect this requirement, resulting in additional adjustment steps in actual operation, increasing the complexity and time cost of the operation. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technologies, the present invention provides a multi-angle transposition mechanism for sheet metal bending, which solves the problems put forward in the background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions: A multi-angle transposition mechanism for sheet metal bending includes a horizontal adjustment mechanism, a connection mechanism, a lifting mechanism, a connection block and a fine adjustment mechanism. The connection mechanism is arranged on the top of the horizontal adjustment mechanism, the lifting mechanism is installed on the top of the connection mechanism. The connection mechanism is used for connecting the horizontal adjustment mechanism and the lifting mechanism to each other. The connection block is arranged outside the lifting mechanism. A hole groove for fixing is provided on one side surface of the connection block. A pin is inserted into the hole groove on one side of the connection block. A translation mechanism is installed on one side of the connection block. Two groups of fine adjustment mechanisms are installed on one side of the translation mechanism, and the two groups of fine adjustment mechanisms respectively correspond to two fixed blocks.

[0007] Preferably, the horizontal adjustment mechanism includes a mounting base. A mounting seat is provided on the top of the mounting base. A first adjustment block is provided above the mounting seat, and a second adjustment block is provided above the first adjustment block. Threaded bolts are rotatably connected to both sides of the second adjustment block and the first adjustment block. A wrench is externally threaded to one end of the threaded bolt. By rotating the wrench on one side of the second adjustment block, the second adjustment block can be loosened, enabling the bottom surface of the second adjustment block to slide relative to the top of the first adjustment block. Further, the second adjustment block can drive the lifting mechanism to tilt forward and backward, thereby driving the front and rear angle adjustment of the sheet metal. By loosening the wrench on one side of the first adjustment block, the bottom of the first adjustment block can slide relative to the top of the mounting base, enabling the first adjustment block to drive the lifting mechanism to tilt left and right, achieving the effect of adjusting the left and right angles of the sheet metal.

[0008] Preferably, the bottom surfaces of the first adjustment block and the second adjustment block are both arc-shaped, and arc-shaped grooves are provided on the tops of the mounting base and the first adjustment block. Arc-shaped holes are provided on both sides of the arc-shaped grooves. The arc-shaped holes on both sides of the mounting base and the first adjustment block are slidably connected to the outer wall of the threaded bolt, which is beneficial for rotating the wrench, and then the wrench can move at the outer end of the threaded bolt, enabling both the first adjustment block and the second adjustment block to fix the adjustment angle.

[0009] Preferably, the connection mechanism includes set screws inserted into the second adjustment block. There are two set screws, and the outer wall of the set screw is threadedly connected to the inside of the second adjustment block. One end of the set screw is in close contact with the outer wall of the limit block. A rotating seat is provided on the top of the limit block, and the limit block is welded to the bottom of the rotating seat. The two sides of the rotating seat are threadedly connected to the outer wall of the threaded pin. By loosening the set screw, the set screw is disengaged from contact with the limit block, enabling the rotating seat to rotate, thereby realizing the horizontal rotation and displacement of the sheet metal. By tightening the set screw, one end of the set screw can abut against the bottom outer wall of the limit block, further fixing the limit block, and thus fixing the angle of the displacement mechanism.

[0010] Preferably, a hole is provided on the top surface of the second adjustment block, and the outer wall of the limit block is in sliding contact with the inside of the hole on the top of the second adjustment block. The limit block has the same shape as the hole on the top of the second adjustment block, and the limit block is frustum-shaped, with the bottom diameter larger than the top diameter, which is beneficial for keeping the limit block connected to the top of the second adjustment block while enabling the limit block to rotate inside the second adjustment block.

[0011] Preferably, the lifting mechanism includes a support column that fits against the top of the rotating base. The interior of the support column is threadedly connected to one end of the bottom of the threaded column. The top of the threaded column is welded with a driven gear. The outer wall of the driven gear is rotatably connected to the interior of the lifting column, and the driven gear meshes with the driving gear. One end of the driving gear is rotatably connected to one side of the top of the lifting column. A handle is welded inside the driving gear. The outer wall of the support column is in sliding contact with the inner wall of the lifting column, and a rectangular column protruding structure is provided at the bottom of the support column. The bottom of the support column is threadedly connected to four threaded pins. By rotating the four threaded pins, the four threaded pins can move outward, so that one end of the threaded pin can be removed from the bottom of the support column, achieving the effect of quickly disassembling the support column, and thus facilitating the disassembly and repair of the lifting mechanism.

[0012] Preferably, the translation and transposition mechanism includes a connecting seat welded to one side of the connecting block. One side of the connecting seat is welded to the fixing frame. A second motor is installed at one end of the fixing frame through bolts. A second gear is sleeved outside the bottom output end of the second motor. The second gear meshes with the first gear, and the first gear is sleeved on one end of the second threaded rod. The other end of the second threaded rod is rotatably connected to the fixing frame. Sliding rods are welded to both the top end and the bottom end of the fixing frame. By driving the second gear to rotate through the second motor, the second gear can drive the first gear to rotate. The first gear will drive the second threaded rod to rotate, thereby realizing the horizontal displacement of the fixing plate, so that the mechanism can adjust and transpose the sheet metal horizontally after being fixed. The horizontal movement of the fine-tuning mechanism can be limited by the two sliding rods, preventing the fine-tuning structure from rotating along with the rotation of the second threaded rod.

[0013] Preferably, the fine-tuning mechanism includes a fixing plate slidably connected to the sliding rod. The middle of the fixing plate is threadedly connected to the outer wall of the second threaded rod. Two first motors are installed on one side of the fixing plate through screws. A first threaded rod is sleeved outside the bottom output end of the first motor. The bottom of the first threaded rod is rotatably connected to the fixing plate. The outer part of the first threaded rod is threadedly connected to the lifting block. One side of the lifting block is in sliding contact with one side of the fixing plate. By driving the first threaded rod to rotate through the first motor, the first threaded rod can drive the lifting block to move up and down while rotating, so that the lifting block can drive the sheet metal to be further finely adjusted up and down.

[0014] Preferably, there are two lifting blocks, and a fixing block is provided on one side of the lifting block. The two lifting blocks respectively correspond to the two fixing blocks, and the lifting block and the fixing block are rotatably connected by a shaft. The shaft between the lifting block and the fixing block is vertically arranged. When the surface of the sheet metal is irregular, the fixing block will rotate along with the shape of the sheet metal surface, so that the fixing block can fix the surface of the irregular sheet metal.

[0015] The present invention provides a multi-angle transposition mechanism for sheet metal bending, with the following beneficial effects:

[0016] (1) For this multi-angle transposition mechanism for sheet metal bending, loosening the second adjusting block is achieved by rotating the wrench on one side of the second adjusting block, enabling the bottom surface thereof to slide relative to the top of the first adjusting block. This sliding mechanism allows the second adjusting block to drive the lifting mechanism to perform a front-back tilting action, thereby realizing the front-back angle adjustment of the sheet metal. Similarly, by loosening the wrench on one side of the first adjusting block, the bottom of the first adjusting block can slide relative to the top of the mounting base, driving the lifting mechanism to tilt left and right, achieving the purpose of adjusting the left-right angle of the mechanism. Through the synergistic effect between the first adjusting block and the second adjusting block, this mechanism can achieve all-round multi-angle transposition, greatly enhancing the flexibility and adaptability during the sheet metal processing.

[0017] (2) For this multi-angle transposition mechanism for sheet metal bending, the horizontal adjustment and transposition are powered by a second motor. The output end of the second motor is connected to a second gear, driving the second gear to rotate. The second gear meshes with the first gear, so the rotation of the second gear can drive the first gear to rotate synchronously. The first gear is connected to a threaded rod, and its rotational motion is converted into the linear motion of the threaded rod through the interaction between the gear and the thread, thereby realizing the horizontal displacement of the fixing plate along the direction of the threaded rod. This design enables the mechanism to perform fine horizontal adjustment even after being fixed to adapt to different processing requirements, significantly improving the adjustability and adaptability of the mechanism, and meeting the requirements of modern sheet metal processing for high precision and high efficiency.

[0018] (3) For this multi-angle transposition mechanism for sheet metal bending, by manually rotating the handle, the rotation of the handle transmits power through the transmission gear, driving the driven gear to rotate synchronously. This meshing transmission between the gears causes the threaded column to rotate, and the rotation of the threaded column, through the interaction between the thread and the nut, results in the up-and-down movement of its bottom end inside the support column. This internal movement further drives the lifting column to perform corresponding up-and-down adjustments outside the support column, thereby realizing the precise up-and-down movement and transposition of the sheet metal during the bending process. In addition, the introduction of the first motor provides the mechanism with additional fine-tuning capabilities. The first motor drives the first threaded rod to rotate, and the rotation of the first threaded rod also drives the lifting block to move up and down through the thread transmission mechanism. This movement enables the lifting block to drive the sheet metal to perform more precise up-and-down fine-tuning, further improving the accuracy of the transposition mechanism and meeting the requirements of high-precision sheet metal processing. Through this design combining manual adjustment and electric fine-tuning, this mechanism can achieve precise positioning and transposition of the sheet metal during the bending process, improving the processing efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic top view structure diagram of the present invention;

[0021] Figure 3 This is a schematic side view structure diagram of the present invention;

[0022] Figure 4 This is a schematic front view structure diagram of the present invention;

[0023] Figure 5 This is a schematic structure diagram of the horizontal adjustment mechanism of the present invention;

[0024] Figure 6 This is a schematic structure diagram of the connection mechanism of the present invention;

[0025] Figure 7 This is a schematic structure diagram of the lifting mechanism of the present invention;

[0026] Figure 8 This is a schematic structure diagram of the horizontal translation and positioning mechanism of the present invention;

[0027] Figure 9 This is a schematic structure diagram of the fine adjustment mechanism of the present invention.

[0028] In the figure, 1 is the horizontal adjustment mechanism; 101 is the mounting base; 102 is the first adjustment block; 103 is the threaded bolt; 104 is the wrench; 105 is the second adjustment block; 2 is the connection mechanism; 201 is the rotating seat; 202 is the threaded pin; 203 is the limit block; 204 is the set bolt; 3 is the lifting mechanism; 301 is the support column; 302 is the handle; 303 is the threaded column; 304 is the lifting column; 305 is the driven gear; 306 is the driving gear; 4 is the connection block; 5 is the pin; 6 is the translation and positioning mechanism; 601 is the connection seat; 602 is the first gear; 603 is the second gear; 604 is the fixed frame; 605 is the second motor; 606 is the slide bar; 607 is the second threaded rod; 7 is the fine adjustment mechanism; 701 is the lifting block; 702 is the first threaded rod; 703 is the fixed plate; 704 is the first motor; 8 is the fixed block. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Embodiment 1:

[0031] Please refer to Figures 1-9, an embodiment of the present invention provides a technical solution: a multi-angle transposition mechanism for sheet metal bending, including a horizontal adjustment mechanism 1, a connection mechanism 2, a lifting mechanism 3, a connection block 4, and a fine adjustment mechanism 7. The connection mechanism 2 is arranged on the top of the horizontal adjustment mechanism 1, and the lifting mechanism 3 is installed on the top of the connection mechanism 2. The connection mechanism 2 is used for connecting the horizontal adjustment mechanism 1 and the lifting mechanism 3 to each other. A connection block 4 is arranged outside the lifting mechanism 3. A hole groove for fixing is opened on one side surface of the connection block 4. A pin 5 is inserted into the hole groove on one side of the connection block 4. A translation mechanism is installed on one side of the connection block 4. Two groups of fine adjustment mechanisms 7 are installed on one side of the translation mechanism, and the two groups of fine adjustment mechanisms 7 respectively correspond to two fixed blocks 8. The horizontal adjustment mechanism 1 includes a mounting base 101. A mounting base 101 is arranged on the top of the mounting base 101. A first adjustment block 102 is arranged above the mounting base 101. A second adjustment block 105 is arranged above the first adjustment block 102. Threaded bolts 103 are rotatably connected to both sides of the second adjustment block 105 and the first adjustment block 102. A wrench 104 is externally threaded to one end of the threaded bolt 103. The bottom surfaces of the first adjustment block 102 and the second adjustment block 105 are both arc-shaped surfaces, and arc-shaped grooves are opened on the tops of the mounting base 101 and the first adjustment block 102. Arc-shaped hole grooves are opened on both sides of the arc-shaped grooves. The arc-shaped hole grooves on both sides of the mounting base 101 and the first adjustment block 102 are slidably connected to the outer wall of the threaded bolt 103. By rotating the wrench 104 on one side of the second adjustment block 105, the second adjustment block 105 can be loosened, so that the bottom surface of the second adjustment block 105 can slide relative to the top of the first adjustment block 102. Then the second adjustment block 105 can drive the lifting mechanism 3 to tilt forward and backward, and further drive the sheet metal to adjust the front and back angles. By loosening the wrench 104 on one side of the first adjustment block 102, the bottom of the first adjustment block 102 can slide relative to the top of the mounting base 101. Then the first adjustment block 102 can drive the lifting mechanism 3 to tilt left and right, achieving the effect of adjusting the left and right angles of the mechanism. Through the mutual cooperation between the first adjustment block 102 and the second adjustment block 105, the mechanism can achieve all-round multi-angle transposition.

[0032] Embodiment 2:

[0033] An embodiment of the present invention provides a technical solution: a multi-angle transposition mechanism for sheet metal bending. The connecting mechanism 2 includes a set screw 204 inserted into the second adjusting block 105. There are two set screws 204, and the outer wall of the set screw 204 is threadedly connected to the inside of the second adjusting block 105. One end of the set screw 204 is in close contact with the outer wall of the limiting block 203. A rotating seat 201 is arranged on the top of the limiting block 203, and the limiting block 203 is welded to the bottom of the rotating seat 201. Both sides of the rotating seat 201 are threadedly connected to the outer wall of the threaded pin 202. A hole groove is formed on the top surface of the second adjusting block 105, and the outer wall of the limiting block 203 is in sliding contact with the inside of the hole groove on the top of the second adjusting block 105. The limiting block 203 has the same shape as the hole groove on the top of the second adjusting block 105, and the limiting block 203 is frustum-shaped, and the bottom diameter of the limiting block 203 is larger than the top diameter. By loosening the set screw 204, the set screw 204 is disengaged from the contact with the limiting block 203, so that the rotating seat 201 can rotate, thereby realizing the horizontal rotation and transposition of the sheet metal. By tightening the set screw 204, one end of the set screw 204 can abut against the bottom outer wall of the limiting block 203, so that the limiting block 203 can be fixed, and thus the angle of the transposition mechanism can be fixed.

[0034] Embodiment 3:

[0035] An embodiment of the present invention provides a technical solution: a multi-angle transposition mechanism for sheet metal bending. The lifting mechanism 3 includes a support column 301 that fits against the top of the rotating seat 201. The inside of the support column 301 is threadedly connected to one end of the bottom of the threaded column 303. The top of the threaded column 303 is welded with a driven gear 305. The outer wall of the driven gear 305 is rotatably connected to the inside of the lifting column 304, and the driven gear 305 meshes with the driving gear 306. One end of the driving gear 306 is rotatably connected to one side of the top of the lifting column 304. A handle 302 is welded inside the driving gear 306. The outer wall of the support column 301 is in sliding contact with the inner wall of the lifting column 304. The bottom of the support column 301 is provided with a rectangular column protruding structure, and the bottom of the support column 301 is threadedly connected to the four threaded pins 202. By rotating the handle 302, the handle 302 can drive the driving gear 306 to rotate. While the driving gear 306 rotates, it can drive the driven gear 305 to rotate, so that the threaded column 303 can rotate. By rotating, the bottom end of the threaded column 303 moves up and down inside the support column 301, and then drives the lifting column 304 to move up and down outside the support column 301, thereby realizing the up and down movement and transposition of the sheet metal during the bending process. Furthermore, the first motor 704 drives the first threaded rod 702 to rotate. While the first threaded rod 702 rotates, it can drive the lifting block 701 to move up and down, so that the lifting block 701 can drive the sheet metal to perform further up and down fine adjustment, thereby improving the accuracy of the transposition mechanism.

[0036] Embodiment 4:

[0037] An embodiment of the present invention provides a technical solution: a multi-angle transposition mechanism for sheet metal bending. The translation transposition mechanism 6 includes a connecting seat 601 welded to one side of the connecting block 4. One side of the connecting seat 601 is welded to the fixing frame 604. One end of the fixing frame 604 is installed with a second motor 605 through bolts. A second gear 603 is sleeved outside the bottom output end of the second motor 605. The second gear 603 meshes with the first gear 602. And the first gear 602 is sleeved on one end of the second threaded rod 607. The other end of the second threaded rod 607 is rotatably connected to the fixing frame 604. One end of the top and one end of the bottom of the fixing frame 604 are both welded with slide bars 606. The fine-tuning mechanism 7 includes a fixing plate 703 slidably connected to the slide bars 606. The middle of the fixing plate 703 is threadedly connected to the outer wall of the second threaded rod 607. One side of the fixing plate 703 is installed with two first motors 704 through screws. A first threaded rod 702 is sleeved outside the bottom output end of the first motor 704. The bottom of the first threaded rod 702 is rotatably connected to the fixing plate 703. The outside of the first threaded rod 702 is threadedly connected to the lifting block 701. One side of the lifting block 701 is in sliding contact with one side of the fixing plate 703. There are two lifting blocks 701. And a fixing block 8 is provided on one side of the lifting block 701. The two lifting blocks 701 respectively correspond to the two fixing blocks 8. And the lifting block 701 and the fixing block 8 are rotatably connected by a shaft. The shaft between the lifting block 701 and the fixing block 8 is vertically arranged. By driving the second gear 603 to rotate through the second motor 605, the second gear 603 can drive the first gear 602 to rotate. The first gear 602 will drive the threaded rod to rotate. Thus, the horizontal displacement of the fixing plate 703 is realized. So that the mechanism can perform horizontal adjustment and transposition after being fixed. Greatly improving the adjustability of the mechanism. When the surface of the sheet metal is irregular, the fixing block 8 will rotate along with the shape of the sheet metal surface. So that the fixing block 8 can fix the irregular sheet metal surface.

[0038] Working principle: The mechanism realizes the loosening of the second adjusting block 105 by rotating the wrench 104 on one side of the second adjusting block 105. So that the bottom surface of the second adjusting block 105 can slide relative to the top of the first adjusting block 102. Thereby driving the lifting mechanism 3 to tilt forward and backward. Realizing the front and back angle adjustment of the sheet metal. At the same time, by loosening the wrench 104 on one side of the first adjusting block 102, the bottom of the first adjusting block 102 and the top of the mounting seat 101 can slide. So that the first adjusting block 102 can drive the lifting mechanism 3 to tilt left and right. Realizing the effect of adjusting the left and right angles of the mechanism. The mutual cooperation of the first adjusting block 102 and the second adjusting block 105 enables the mechanism to realize all-round multi-angle transposition.

[0039] In addition, the mechanism also drives the second gear 603 to rotate through the second motor 605, thereby driving the first gear 602 to rotate. The first gear 602 then drives the threaded rod to rotate through a threaded transmission mechanism, realizing the displacement of the fixing plate 703 in the horizontal direction, enabling the mechanism to perform horizontal adjustment and transposition after being fixed, and significantly improving the adjustability of the mechanism;

[0040] Furthermore, the mechanism drives the transmission gear 306 to rotate by manually rotating the handle 302. The transmission gear 306 then drives the driven gear 305 to rotate, thereby causing the threaded column 303 to rotate, resulting in the up and down movement of the bottom end of the threaded column 303 inside the support column 301, driving the lifting column 304 to perform up and down adjustment outside the support column 301, and realizing the up and down movement and transposition of the sheet metal during the bending process; At the same time, the first motor 704 drives the first threaded rod 702 to rotate, driving the lifting block 701 to perform up and down movement, realizing further up and down fine adjustment of the sheet metal, thereby improving the accuracy of the transposition mechanism.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be construed as limiting the claimed rights.

[0042] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-angle transposition mechanism for sheet metal bending, characterized in that: It includes a horizontal adjustment mechanism (1), a connection mechanism (2), a lifting mechanism (3), a connection block (4), and a fine adjustment mechanism (7). The top of the horizontal adjustment mechanism (1) is provided with a connection mechanism (2). The top of the connection mechanism (2) is installed with a lifting mechanism (3). The connection mechanism (2) is used to connect the horizontal adjustment mechanism (1) and the lifting mechanism (3) to each other. The outside of the lifting mechanism (3) is provided with a connection block (4). One side surface of the connection block (4) is provided with a hole groove for fixing. A pin (5) is inserted into the hole groove on one side of the connection block (4). A translation mechanism is installed on one side of the connection block (4). Two fine adjustment mechanisms (7) are installed on one side of the translation mechanism, and the two fine adjustment mechanisms (7) respectively correspond to two fixing blocks (8).

2. The multi-angle transposition mechanism for sheet metal bending according to claim 1, wherein: The horizontal adjustment mechanism (1) includes a mounting base (101). The top of the mounting base (101) is provided with a mounting base (101). Above the mounting base (101) is provided with a first adjustment block (102). Above the first adjustment block (102) is provided with a second adjustment block (105). Threaded bolts (103) are rotatably connected to both sides of the second adjustment block (105) and the first adjustment block (102). One end of the threaded bolt (103) is externally threaded with a wrench (104).

3. The multi-angle transposition mechanism for sheet metal bending according to claim 2, wherein: The bottom surfaces of the first adjustment block (102) and the second adjustment block (105) are both arc-shaped surfaces. Arc-shaped grooves are opened on the tops of the mounting base (101) and the first adjustment block (102). Arc-shaped hole grooves are opened on both sides of the arc-shaped grooves. The arc-shaped hole grooves on both sides of the mounting base (101) and the first adjustment block (102) are slidably connected to the outer wall of the threaded bolt (103).

4. The multi-angle transposition mechanism for sheet metal bending according to claim 1, wherein: The connection mechanism (2) includes a set screw (204) inserted into the second adjustment block (105). There are two set screws (204). The outer wall of the set screw (204) is threadedly connected to the inside of the second adjustment block (105). One end of the set screw (204) is in close contact with the outer wall of the limit block (203). A rotating seat (201) is provided on the top of the limit block (203). The limit block (203) is welded to the bottom of the rotating seat (201). The two sides of the rotating seat (201) are threadedly connected to the outer wall of the threaded pin (202).

5. The multi-angle transposition mechanism for sheet metal bending according to claim 4, characterized in that: A hole groove is opened on the top surface of the second adjustment block (105). The outer wall of the limit block (203) is in sliding contact with the inside of the hole groove on the top of the second adjustment block (105). The limit block (203) has the same shape as the hole groove on the top of the second adjustment block (105). The limit block (203) is frustum-shaped, and the bottom diameter of the limit block (203) is larger than the top diameter.

6. The multi-angle transposition mechanism for sheet metal bending according to claim 1, wherein: The lifting mechanism (3) includes a support column (301) that fits against the top of the rotating base (201). The inside of the support column (301) is threadedly connected to one end of the bottom of a threaded column (303). A driven gear (305) is welded to the top of the threaded column (303). The outer wall of the driven gear (305) is rotatably connected to the inside of the lifting column (304), and the driven gear (305) meshes with a driving gear (306). One end of the driving gear (306) is rotatably connected to one side of the top of the lifting column (304). A handle (302) is welded inside the driving gear (306). The outer wall of the support column (301) is in sliding contact with the inner wall of the lifting column (304). The bottom of the support column (301) has a rectangular column protruding structure, and the bottom of the support column (301) is threadedly connected to four threaded pins (202).

7. The multi-angle transposition mechanism for sheet metal bending according to claim 1, wherein: The translation and replacement mechanism (6) includes a connecting seat (601) welded to one side of the connecting block (4). One side of the connecting seat (601) is welded to a fixed frame (604). A second motor (605) is installed at one end of the fixed frame (604) by bolts. A second gear (603) is sleeved outside the bottom output end of the second motor (605). The second gear (603) meshes with a first gear (602), and the first gear (602) is sleeved on one end of a second threaded rod (607). The other end of the second threaded rod (607) is rotatably connected to the fixed frame (604). A slide bar (606) is welded to both the top end and the bottom end of the fixed frame (604).

8. The multi-angle transposition mechanism for sheet metal bending according to claim 1, characterized in that: The fine-tuning mechanism (7) includes a fixing plate (703) slidably connected to the slide bar (606). The middle of the fixing plate (703) is threadedly connected to the outer wall of the second threaded rod (607). Two first motors (704) are installed on one side of the fixing plate (703) by screws. A first threaded rod (702) is sleeved outside the bottom output end of the first motor (704). The bottom of the first threaded rod (702) is rotatably connected to the fixing plate (703). The outside of the first threaded rod (702) is threadedly connected to a lifting block (701). One side of the lifting block (701) is in sliding contact with one side of the fixing plate (703).

9. The multi-angle transposition mechanism for sheet metal bending according to claim 8, wherein: There are two lifting blocks (701), and a fixing block (8) is provided on one side of the lifting block (701). The two lifting blocks (701) respectively correspond to the two fixing blocks (8), and the lifting block (701) and the fixing block (8) are rotatably connected by a shaft. The shaft between the lifting block (701) and the fixing block (8) is vertically arranged.

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