Metal plate bending device

Abstract

The utility model belongs to the technical field of metal plate bending, and particularly relates to a metal plate bending device which comprises a base, a lower die is installed on the base, two sets of sliding grooves are symmetrically formed in the lower die, two fixing frames are symmetrically welded to the positions, located on the two sides of the sliding grooves, of the lower die, and a lead screw is rotatably installed between the fixing frames. Two sliding blocks are symmetrically assembled in the sliding groove, a fixing plate is welded to the sliding blocks, a connecting plate is welded to the fixing plate, a connecting rod penetrates through the rod barrel, one end of the connecting rod is rotationally connected with clamping bases, the two sliding blocks drive the two clamping bases on the connecting rod to synchronously and relatively move, and the two clamping bases are attached to the side wall of the metal plate. The front and back of the metal plate are limited, the four sets of clamping bases are fixedly connected with the four clamping points on the metal plate correspondingly, in the bending process of the metal plate, the metal plate is limited front and back all the time through the four sets of clamping bases, the stability of the metal plate is improved, and the bending precision of the metal plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal plate bending, in particular to a metal plate bending device. Background Art

[0002] A metal plate is a sheet of metal. During the shipbuilding process, the metal plate is often bent. After the metal plate is bent, it can be formed into a sheet of a specific shape. In the process of bending the metal plate, a bending device is required.

[0003] A Chinese patent with publication number CN107597906A discloses a device for bending metal plates, which is characterized in that the inner surface of the angle groove is two symmetrical angle surfaces that intersect at an angle line, and guide grooves with upper openings are provided on the left and right sides of the angle groove, and sliders are respectively provided in the two guide grooves, and springs are provided at the bottom of the guide groove to push the sliders upward, and the upper ends of the two sliders are respectively connected with inclined surfaces, each inclined surface is parallel to and protrudes from the angle surface on the same side, and each inclined surface can be coplanar with the angle surface on the same side along the downward direction of the guide groove; the upper pressure block is provided with an angle extrusion surface that cooperates with the two angle surfaces, the upper pressure block is connected to a vertical driving mechanism for vertical drive, and two side pressure blocks are provided corresponding to the two inclined surfaces, the side pressure blocks are provided with inclined extrusion surfaces corresponding to the inclined surfaces, and the pressure blocks on both sides are respectively connected to lateral driving mechanisms that apply force along the guide groove direction; it can provide extrusion of both sides of the metal plate in the angle direction, reduce stress deformation at the bending point, reduce crack phenomenon, and improve appearance and structural performance.

[0004] When a metal plate is bent by an existing bending device, the metal plate has poor stability and is prone to sliding, resulting in low bending precision. Therefore, a metal plate bending device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a metal plate bending device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a metal plate bending device described in the utility model includes a base, a lower mold is installed on the base, a placement groove is provided in the lower mold, a mold cavity is provided in the lower mold, two groups of slide grooves are symmetrically provided in the lower mold, two fixing frames are symmetrically welded on both sides of the slide groove on the lower mold, a screw rod is rotatably installed between the fixing frames, the screw rod passes through the slide groove, a first knob is welded at one end of the screw rod, the thread directions on the screw rod are symmetrically opposite, two sliders are symmetrically equipped in the slide groove, the slider is sleeved on the outer periphery of the screw rod and slides with the screw rod through a thread, a fixing plate is welded on the slider, a connecting plate is welded on the fixing plate, a rod barrel is rotatably installed on the connecting plate, and a The locking mechanism is fixedly mounted on the locking cam, and the locking mechanism is fixedly secured on the locking cam, wherein the locking cam is secured on a pivotal position within the locking cam, and the locking cam is adapted to engage the locking cam of the locking cam.

[0007] Preferably, a support frame is welded on the base, a lifting slot is provided on the support frame, a lifting block is installed in the lifting slot, a pressure block is installed on the lifting block, a hydraulic cylinder is installed on the support frame, a hydraulic rod is installed on the hydraulic cylinder, the hydraulic rod is fixedly connected to the pressure block, and the hydraulic cylinder is operated to drive the pressure block to move vertically downward, and the pressure block presses the metal plate downward, and the pressure block is pressed into the mold cavity, thereby realizing the bending processing of the metal plate, which is beneficial to improving the bending efficiency.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model uses two sliders to drive the two clamping seats thereon to move synchronously relative to each other. The two clamping seats are in contact with the side walls of the metal plate to limit the front and back of the metal plate. The four groups of clamping seats are fixedly connected to the four clamping points on the metal plate respectively. During the bending process of the metal plate, the metal plate is always limited front and back by the four groups of clamping seats, which improves the stability of the metal plate and is beneficial to improving the bending accuracy of the metal plate.

[0010] 2. The utility model operates through a hydraulic cylinder. The hydraulic rod drives the pressing block to move vertically downward. The pressing block presses the metal plate downward. The pressing block is pressed into the mold cavity, thereby realizing the bending process of the metal plate, which is beneficial to improving the bending efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 It is a schematic diagram of a first-person perspective three-dimensional structure;

[0013] Figure 2 Schematic diagram of the three-dimensional structure of the lower mold;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the chute;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping seat.

[0016] In the figure: 1. Base; 2. Lower mold; 3. Placement groove; 4. Mold cavity; 5. Slide groove; 6. Fixed frame; 7. Screw; 8. First knob; 9. Slider; 10. Fixed plate; 11. Connecting plate; 12. Rod barrel; 13. Connecting rod; 14. Clamping seat; 15. First clamping plate; 16. Screw; 17. Second knob; 18. Moving block; 19. Second clamping plate; 20. Support frame; 21. Lifting groove; 22. Lifting block; 23. Pressing block; 24. Hydraulic cylinder; 25. Hydraulic rod; 26. Moving groove; 27. Metal plate. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-4As shown, a metal plate bending device includes a base 1, a lower mold 2 is installed on the base 1, a placement groove 3 is opened in the lower mold 2, a mold cavity 4 is opened in the lower mold 2, two sets of slide grooves 5 are symmetrically opened in the lower mold 2, two fixing frames 6 are symmetrically welded on both sides of the slide groove 5 on the lower mold 2, a screw rod 7 is rotatably installed between the fixing frames 6, the screw rod 7 passes through the slide groove 5, a first knob 8 is welded at one end of the screw rod 7, the thread directions on the screw rod 7 are symmetrically opposite, two sliders 9 are symmetrically assembled in the slide groove 5, and the sliders 9 are sleeved on the screw rod The rod 7 is arranged on the periphery and slides with the screw rod 7 through a thread. A fixed plate 10 is welded on the slider 9, and a connecting plate 11 is welded on the fixed plate 10. A rod barrel 12 is rotatably installed on the connecting plate 11. A connecting rod 13 is passed through the rod barrel 12. The connecting rod 13 slides with the rod barrel 12. One end of the connecting rod 13 is rotatably connected to the clamping seat 14. A metal plate 27 is placed in the placement groove 3. A first clamping plate 15 is welded on the side wall of the clamping seat 14. A moving groove 26 is opened in the clamping seat 14. A screw 16 is rotatably installed on the inner wall of the moving groove 26. A second knob 17 is welded to one end of the screw 16, a moving block 18 is assembled in the moving groove 26, a second clamping plate 19 is installed on the side wall of the moving block 18, a support frame 20 is welded to the base 1, a lifting groove 21 is opened on the support frame 20, a lifting block 22 is assembled in the lifting groove 21, a pressure block 23 is installed on the lifting block 22, a hydraulic cylinder 24 is installed on the support frame 20, a hydraulic rod 25 is installed on the hydraulic cylinder 24, and the hydraulic rod 25 is fixedly connected to the pressure block 23; when working, the existing bending device is bending the metal plate 27 During the bending process, the metal plate 27 has poor stability and is prone to sliding, resulting in low bending accuracy. By placing the metal plate 27 on the placement slot 3, four clamping seats 14 are placed on both sides of the metal plate 27, and by rotating the two sets of first knobs 8, the first knobs 8 drive the screw rod 7 to rotate, and the screw rod 7 drives the two sliders 9 thereon to move synchronously relative to each other. The two sliders 9 drive the two clamping seats 14 thereon to move synchronously relative to each other. The two clamping seats 14 are in contact with the side walls of the metal plate 27, limiting the front and rear positions of the metal plate 27.

[0019] After the four groups of clamping seats 14 are in contact with the side walls of the metal plate 27, by turning the second knob 17, the screw 16 is driven to rotate, and the screw 16 drives the movable block 18 thereon to move vertically downward, and the movable block 18 drives the second clamping plate 19 to move vertically downward, and the second clamping plate 19 and the first clamping plate 15 clamp the metal plate 27, thereby achieving the four groups of clamping seats 14 clamping and fixing the metal plate 27, and the four groups of clamping seats 14 are respectively fixedly connected to the four clamping points on the metal plate 27;

[0020] During the bending process of the metal plate 27, the hydraulic cylinder 24 is operated, and the hydraulic rod 25 drives the pressure block 23 to move vertically downward. The pressure block 23 presses the metal plate 27 downward, and the pressure block 23 is pressed into the mold cavity 4, thereby realizing the bending processing of the metal plate 27. During this process, the clamping seat 14 moves with the metal plate 27, that is, the clamping seat 14 rotates on the connecting rod 13, and the connecting rod 13 drives the rod tube 12 to rotate on the connecting plate 11. At the same time, the clamping seat 14 can drive the connecting rod 13 to slide on the rod tube 12, thereby realizing that the metal plate 27 is always limited forward and backward by the four groups of clamping seats 14, and the metal plate 27 will not move in the forward and backward directions, thereby improving the stability of the metal plate 27 and helping to improve the bending accuracy of the metal plate 27.

[0021] Working principle: in the process of bending the metal plate 27 with the existing bending device, the stability of the metal plate 27 is poor and it is easy to slide, resulting in low bending accuracy. By placing the metal plate 27 on the placement slot 3, the four clamping seats 14 are placed on both sides of the metal plate 27, and by rotating the two groups of first knobs 8, the first knob 8 drives the screw rod 7 to rotate, and the screw rod 7 drives the two sliders 9 thereon to move synchronously relative to each other, and the two sliders 9 drive the two clamping seats 14 thereon to move synchronously relative to each other, and the two clamping seats 14 are in contact with the side walls of the metal plate 27 to limit the front and back of the metal plate 27; after the four groups of clamping seats 14 are in contact with the side walls of the metal plate 27, the second knob 17 is rotated to drive the screw rod 16 to rotate, and the screw rod 16 drives the moving block 18 thereon to move vertically downward, and the moving block 18 drives the second clamping plate 19 to move vertically downward, and the second clamping plate 19 and the first clamping plate 15 are pressed against the metal plate 27 The clamping is performed to achieve the four groups of clamping seats 14 clamping and fixing the metal plate 27, and the four groups of clamping seats 14 are respectively fixedly connected to the four clamping points on the metal plate 27; in the process of bending the metal plate 27, the hydraulic cylinder 24 is operated, and the hydraulic rod 25 drives the pressure block 23 to move vertically downward, and the pressure block 23 presses the metal plate 27 downward, and the pressure block 23 is pressed into the mold cavity 4, thereby achieving the bending processing of the metal plate 27. During this process, the clamping seat 14 moves with the metal plate 27, that is, the clamping seat 14 rotates on the connecting rod 13, and the connecting rod 13 drives the rod tube 12 to rotate on the connecting plate 11. At the same time, the clamping seat 14 can drive the connecting rod 13 to slide on the rod tube 12, thereby achieving the metal plate 27 always being limited front and rear by the four groups of clamping seats 14, and the metal plate 27 will not move in the front and rear directions, thereby improving the stability of the metal plate 27 and helping to improve the bending accuracy of the metal plate 27.

[0022] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A metal plate bending device, characterized in that: The invention comprises a base (1), a lower mold (2) is installed on the base (1), a placement groove (3) is provided in the lower mold (2), a mold cavity (4) is provided in the lower mold (2), two sets of slide grooves (5) are symmetrically provided in the lower mold (2), two fixing frames (6) are symmetrically welded on both sides of the slide groove (5) on the lower mold (2), a screw rod (7) is rotatably installed between the fixing frames (6), the screw rod (7) passes through the slide groove (5), a first knob (8) is welded at one end of the screw rod (7), the thread directions on the screw rod (7) are symmetrically opposite, and the slide grooves (5) are symmetrically welded to the two fixing frames (6). Two sliders (9) are symmetrically assembled in the groove (5). The sliders (9) are sleeved on the outer periphery of the screw rod (7) and slide in cooperation with the screw rod (7) through threads. A fixing plate (10) is welded on the slider (9). A connecting plate (11) is welded on the fixing plate (10). A rod barrel (12) is rotatably mounted on the connecting plate (11). A connecting rod (13) passes through the rod barrel (12). The connecting rod (13) slides in cooperation with the rod barrel (12). One end of the connecting rod (13) is rotatably connected to a clamping seat (14). A metal plate (27) is placed in the placement groove (3).

2. The metal plate bending device according to claim 1, characterized in that: A first clamping plate (15) is welded to the side wall of the clamping seat (14), and a movable groove (26) is provided in the clamping seat (14).

3. The metal plate bending device according to claim 2, characterized in that: A screw rod (16) is rotatably mounted on the inner wall of the movable groove (26), and a second knob (17) is welded to one end of the screw rod (16).

4. The metal plate bending device according to claim 2, characterized in that: A moving block (18) is assembled in the moving groove (26), and a second clamping plate (19) is installed on the side wall of the moving block (18).

5. The metal plate bending device according to claim 1, characterized in that: A support frame (20) is welded on the base (1), a lifting slot (21) is provided on the support frame (20), a lifting block (22) is assembled in the lifting slot (21), and a pressing block (23) is installed on the lifting block (22).

6. The metal plate bending device according to claim 5, characterized in that: A hydraulic cylinder (24) is installed on the support frame (20), a hydraulic rod (25) is installed on the hydraulic cylinder (24), and the hydraulic rod (25) is fixedly connected to the pressing block (23).

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