Automatic plate bending machine

Abstract

The utility model discloses an automatic plate bending machine, which belongs to the technical field of bending machines and comprises a supporting frame, a female die is arranged at the top end of the supporting frame, a top plate is fixed on the supporting frame through two stand columns, a supporting plate is connected onto the top plate through two hydraulic cylinders, and a male die is arranged at the bottom end of the supporting plate. The supporting frame is further provided with two sections of sliding groove openings, two movable plates are arranged in the supporting frame, bearings are fixed to the sliding groove openings, the two ends of the top faces of the two movable plates are connected with limiting plates through sliding blocks, first cylinders are fixed to the bottom ends of the two movable plates, and first round pipes are connected to the first cylinders; a rotating shaft is connected to the bearing, a rotating mechanism is arranged on the side face of the rotating shaft, a rotating disc is fixed to the other end of the rotating shaft, two second cylinders are fixed to the edge of the top end of the rotating disc, second circular pipes are connected to the second cylinders, and the two second circular pipes are connected with the two first circular pipes through driving rods correspondingly; by using the bending machine, the plate can be limited, so that the plate cannot be bent in an offset state, and the bending effect of the plate is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to an automatic plate bending machine. Background Art

[0002] A bending machine is a machine that can bend thin plates. It is mainly used in many fields such as automobile manufacturing, daily necessities processing, aviation manufacturing, shipbuilding, etc. It usually bends metal pipes and metal plates and is used to manufacture boxes, cabinets, sheet metal parts, metal pipes, etc.

[0003] The existing Chinese patent with announcement number CN205414006U discloses a portable sheet metal bending machine, including a long strip base and columns fixedly arranged at both ends of the base, the top of the column is fixedly connected by a crossbeam, and a rectangular groove is opened on the lower end surface of the crossbeam. An angular concave upper mold is embedded in the groove by bolts, and a flat workbench is arranged between the two columns. U-shaped slide grooves mounted on both sides of the columns are arranged at both ends of the workbench. An angular convex lower mold matching the angular concave upper mold is arranged on the workbench by bolts, and a lifting mechanism for driving the workbench and the angular convex lower mold to move up and down is arranged on the base.

[0004] In view of the above-mentioned related technology, the inventor believes that the following problems exist: the above-mentioned bending machine cannot limit the two sides of the plate when bending it, which makes it easy to bend in an offset state, thereby affecting the bending effect. Therefore, it is urgent to design a new type of automatic plate bending machine to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an automatic plate bending machine to solve the problem that the existing plate bending machine cannot limit the two sides of the plate, so that the plate is easily bent in an offset state, thereby affecting the bending effect.

[0006] In order to solve the above technical problems, the utility model provides an automatic plate bending machine, including a support frame, a concave die is provided on the support frame and a top plate is fixed by two columns, two hydraulic cylinders are installed on the top plate, the piston rods of the two hydraulic cylinders extend to the bottom end of the top plate and are connected to the support plate, and a convex die is provided at the bottom end of the support plate;

[0007] The support frame is also provided with two sections of sliding grooves and two movable plates are arranged inside and fixed with bearings. Both ends of the top surfaces of the two movable plates are fixed with sliders slidably connected to the sliding grooves, and the bottom ends are fixed with first cylinders, and the first cylinders are movably connected with the first round tube, and the slider is fixed with a limiting plate located at the top end of the support frame; a rotating shaft is connected to the bearing, and a rotating mechanism driving the rotating shaft to rotate is provided on the side surface of the rotating shaft and a turntable is fixed at the other end thereof, and two second cylinders in opposite positions are fixed on the top edge of the turntable, and the second cylinders are movably connected with the second round tube, and the two second round tubes are respectively connected to the two first round tubes through driving rods.

[0008] Optionally, the rotating mechanism includes a telescopic cylinder and a gear, the gear is fixed to the side of the rotating shaft, the telescopic cylinder is fixed to the side of the supporting frame, the telescopic rod thereof extends into the supporting frame and is connected to a first movable rod, and a plurality of racks meshing with the first movable rod are fixed to one side of the first movable rod close to the gear.

[0009] Optionally, two sliding rods are fixed on the punch, the other ends of the two sliding rods pass through the support plate and a slot is opened on the side of the other end; a straight rod is fixed on the support plate, both ends of the straight rod are provided with grooves, a clamping rod is connected to the groove through a spring and a straight slot is opened on the side wall; a second movable rod is fixed to the side of the clamping rod with a sliding connection to the straight slot and the other end of the second movable rod is located in the slot.

[0010] Optionally, two connecting blocks are fixed to both ends of the concave mold, and the connecting blocks are connected to the supporting frame by screws.

[0011] Optionally, the two sections of the slide groove openings are respectively located on both sides of the die.

[0012] Optionally, the male mold is located directly above the female mold.

[0013] The utility model provides an automatic plate bending machine, which includes a support frame, a top end of which is provided with a concave mold and a top plate fixed by two columns, the top plate is connected to a support plate by two hydraulic cylinders, and a convex mold is provided at the bottom end of the support plate. The support frame is also provided with two sections of sliding grooves and two movable plates are provided inside and fixed with bearings. Both ends of the top surfaces of the two movable plates are connected to limiting plates by sliding blocks, and the bottom ends are fixed with first cylinders, and the first cylinders are connected to the first cylinders. The bearings are connected to a rotating shaft, a rotating mechanism is provided on the side of the rotating shaft and a turntable is fixed at the other end thereof, two second cylinders are fixed on the top edge of the turntable, and the second cylinders are connected to the second tubes, and the two second tubes are respectively connected to the two first tubes by driving rods; using the bending machine, the plate can be limited so that it will not be bent in an offset state, thereby ensuring its bending effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the automatic plate bending machine provided by the utility model;

[0015] Figure 2 This is a top view of the automatic plate bending machine provided by the utility model;

[0016] Figure 3 yes Figure 2 Middle AA section view;

[0017] Figure 4 yes Figure 3 Enlarged view of B. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] The utility model provides an automatic plate bending machine, the structure of which is as follows Figures 1 to 4As shown, it includes a support frame 1, a die 2 is provided on the support frame 1 and a top plate 4 is fixed by two columns 3, two hydraulic cylinders 5 are installed on the top plate 4, the piston rods of the two hydraulic cylinders 5 extend to the bottom end of the top plate 4 and are connected to a support plate 6, and a punch 7 is provided at the bottom end of the support plate 6; two sections of slide grooves 8 are also opened on the support frame 1 and two movable plates 9 are provided inside and fixed with bearings 14, sliders 11 slidably connected to the slide grooves 8 are fixed at both ends of the top surfaces of the two movable plates 9, and first cylinders 10 are fixed at the bottom ends, a first round tube 12 is movably connected to the first cylinder 10, and a limiter located at the top of the support frame 1 is fixed on the slider 11 The plate 13 and the bearing 14 are connected with a rotating shaft 15, a rotating mechanism for driving the rotating shaft 15 is arranged on the side thereof and a turntable 16 is fixed on the other end thereof, two second cylinders 18 in opposite positions are fixed on the top edge of the turntable 16, a second round tube 19 is movably connected to the second round tube 18, and the two second round tubes 19 are respectively connected with the two first round tubes 12 through a driving rod 20, and the rotating shaft 15 and the turntable 16 are driven to rotate by the rotating mechanism so that one end of the two driving rods 20 moves inward, and at this time, the other ends of the two driving rods 20 drive the moving plate 9 and the two limiting plates 13 to move inward to clamp and limit the plate. The plate automatic bending machine can be used to limit the plate so that it will not be bent in an offset state, thereby ensuring its bending effect.

[0022] Specifically, the rotating mechanism includes a telescopic cylinder 21 and a gear 17. The gear 17 is fixed to the side of the rotating shaft 15. The telescopic cylinder 21 is fixed to the side of the supporting frame 1. Its telescopic rod extends into the supporting frame 1 and is connected to a first moving rod 22. A plurality of racks 23 meshing with the first moving rod 22 are fixed to the side of the first moving rod 22 close to the gear 17. The telescopic rod of the telescopic cylinder 21 drives the first moving rod 22 to move so that the plurality of racks 23 mesh with the gear 17 for transmission. At this time, the rotating shaft 15 drives the turntable 16 to rotate so that one end of the two driving rods 20 moves inward. Finally, the other ends of the two driving rods 20 drive the moving plate 9 and the two limit plates 13 to move inward to clamp and limit the plate to prevent it from shifting.

[0023] Furthermore, two sliding rods 24 are fixed on the punch 7, and the other ends of the two sliding rods 24 pass through the support plate 6 and a groove 25 is opened on the side of the other end. A straight rod 26 is fixed on the support plate 6, and grooves 27 are opened at both ends of the straight rod 26. A clamping rod 29 is connected to the groove 27 through a spring 28 and a straight slot 30 is opened on the side wall of the clamping rod 29. A second moving rod 31 slidably connected to the straight slot 30 is fixed on the side of the clamping rod 29 and the other end is located in the groove 25. When the punch 7 needs to be removed, the two second moving rods 31 are moved inward so that the two clamping rods 29 are respectively disengaged from the two slots 25, thereby removing the punch 7. When the punch 7 needs to be installed, the two sliding rods 24 are passed through the support plate 6. At this time, the two clamping rods 29 move outward into the two slots 25 under the elastic action of the two springs 28, respectively, to complete the installation of the punch 7.

[0024] Furthermore, two connecting blocks 32 are fixed at both ends of the die 2, and the connecting blocks 32 are connected to the support frame 1 via screws 33, so that the die 2 can be easily replaced to produce plates with different bending degrees.

[0025] Furthermore, the two sections of the slide groove openings 8 are respectively located on both sides of the die 2, so that a plurality of limiting plates 13 are evenly distributed to ensure a good limiting effect.

[0026] Furthermore, the punch 7 is located directly above the die 2 .

[0027] The working principle of the utility model is as follows: first, place the plate to be bent on the die 2, then start the telescopic cylinder 21, and its telescopic rod drives the first moving rod 22 to move so that a plurality of racks 23 are meshed with the gear 17 for transmission, and the rotating shaft 15 drives the turntable 16 to rotate so that one end of the two driving rods 20 moves inward. At this time, the other ends of the two driving rods 20 drive the moving plate 9 and the two limit plates 13 to move inward to clamp and limit the plate, and then start the two hydraulic cylinders 5, and their piston rods drive the punch 7 to move downward to cooperate with the die 2 to bend the plate.

[0028] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. An automatic plate bending machine, comprising a support frame (1), characterized in that: The support frame (1) is provided with a die (2) and is fixed with a top plate (4) via two columns (3); two hydraulic cylinders (5) are installed on the top plate (4); piston rods of the two hydraulic cylinders (5) extend to the bottom end of the top plate (4) and are connected with a support plate (6); a convex die (7) is provided at the bottom end of the support plate (6); The support frame (1) is also provided with two sections of sliding groove openings (8) and two movable plates (9) are arranged inside the two movable plates and fixed with bearings (14). Both ends of the top surfaces of the two movable plates (9) are fixed with sliders (11) slidably connected to the sliding groove openings (8), and the bottom ends are fixed with first cylinders (10). The first cylinder (10) is movably connected with a first circular tube (12). The slider (11) is fixed with a limiting plate (13) located at the top end of the support frame (1); the bearing (14) is connected with a rotating shaft (15). A rotating mechanism for driving the rotating shaft (15) is arranged on the side surface and a rotating disk (16) is fixed at the other end. Two second cylinders (18) in opposite positions are fixed on the top edge of the rotating disk (16). The second cylinder (18) is movably connected with a second circular tube (19). The two second circular tubes (19) are respectively connected with the two first circular tubes (12) through driving rods (20).

2. The automatic plate bending machine according to claim 1, characterized in that: The rotating mechanism comprises a telescopic cylinder (21) and a gear (17), wherein the gear (17) is fixed to the side of the rotating shaft (15), and the telescopic cylinder (21) is fixed to the side of the supporting frame (1), wherein the telescopic rod of the telescopic cylinder (21) extends into the supporting frame (1) and is connected to a first moving rod (22), and a plurality of racks (23) meshing with the first moving rod (22) are fixed on a side close to the gear (17).

3. The automatic plate bending machine according to claim 1, characterized in that: Two sliding rods (24) are also fixed on the male mold (7), the other ends of the two sliding rods (24) pass through the support plate (6) and the other ends of the two sliding rods (24) are provided with a slot (25) on the side surface, a straight rod (26) is fixed on the support plate (6), both ends of the straight rod (26) are provided with a groove (27), a clamping rod (29) is connected to the groove (27) through a spring (28) and a straight notch (30) is provided on the side wall, a second moving rod (31) slidably connected to the straight notch (30) is fixed on the side of the clamping rod (29) and the other end of the second moving rod (31) is located in the slot (25).

4. The automatic plate bending machine according to claim 1, characterized in that: Two connecting blocks (32) are fixed to both ends of the female mold (2), and the connecting blocks (32) are connected to the supporting frame (1) via screws (33).

5. The automatic plate bending machine according to claim 1, characterized in that: The two sections of the slide groove openings (8) are respectively located on both sides of the die (2).

6. The automatic plate bending machine according to claim 1, characterized in that: The male die (7) is located directly above the female die (2).

Images