A pneumatic-assisted foot-operated corner cutting machine

Abstract

The present invention discloses a pneumatic-assisted foot-operated angle shear, which includes a frame. A corner shearing table is installed on the right side of the top of the frame, and a body plate is installed on the left side of the top of the frame. A corner shearing box is installed on the right side of the top of the body plate. A cylinder is installed on the inner top wall of the corner shearing box. An installation plate is installed inside the corner shearing box. An upper cutter is installed at the bottom of the installation plate. A lower cutter is installed on the upper surface of the corner shearing table. A rotating shaft is fixedly connected to the inner wall of the corner shearing box. For this foot-operated angle shear, by stepping on the foot pedal, the vertical rod is driven to rise. By the vertical rod pushing the horizontal plate, the installation plate moves downward. At this time, the upper cutter moves downward and cooperates with the lower cutter to cut the angle of the plate. By setting a communicating air inlet pipe, compressed air can enter the inside of the connection box, and the connecting tooth is pushed to insert into the connection groove on the right side of the installation plate, so as to realize that when there is compressed air, the upper cutter is automatically driven by the cylinder, and it does not affect the manual angle shearing when there is no compressed air.

Description

Technical Field

[0001] The present invention relates to the technical field of angle shearing machines, and particularly relates to a pneumatic-assisted foot-operated angle shearing machine. Background Art

[0002] An angle shearing machine is a device for shearing metal plates. Angle shearing machines are divided into adjustable and non-adjustable types. The adjustable angle range is 40° to 135°. It can be adjusted arbitrarily within the angle range to achieve an ideal state. The main structure is integrally welded by steel plates, which is firm and durable. Only the tools equipped with the standard machine can meet the processing requirements of general sheet metal processing factories. Unlike ordinary punching presses, there is no need to make a set of dies for processing workpieces at a certain angle or a certain thickness, which reduces the use cost, reduces the trouble of frequent die change and clamping of ordinary punching presses, improves work efficiency, reduces the labor intensity of workers, reduces the danger coefficient of workers, and at the same time, low-noise processing creates a quiet working environment for the factory and workers.

[0003] A foot-operated angle shearing machine is a manual device that can use manpower to cut thinner plates. In order to make the foot-operated angle shearing machine suitable for cutting thicker plates, we propose a pneumatic-assisted foot-operated angle shearing machine, which can be switched between manpower and pneumatic power. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose a pneumatic-assisted foot-operated angle shearing machine.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A pneumatic-assisted foot-operated angle shearing machine includes a frame. A shearing table is installed on the right side of the top of the frame, and a body plate is installed on the left side of the top of the frame. A shearing box is installed on the right side of the top of the body plate. A cylinder is installed on the inner top wall of the shearing box. An installation plate is installed inside the shearing box. An upper tool is installed at the bottom of the installation plate. A lower tool is installed on the upper surface of the shearing table. A rotating shaft is fixedly connected to the inner wall of the shearing box. A horizontal plate is sleeved on the surface of the rotating shaft. Both ends of the horizontal plate are rotatably connected with connecting rods. The bottom end of the left connecting rod is rotatably connected with a vertical rod, and the bottom end of the right connecting rod is rotatably connected with the upper surface of the installation plate. A foot-operating mechanism for driving the vertical rod to rise is arranged at the bottom of the frame. The bottom movable end of the cylinder is fixedly connected with a connecting box. The connecting box is a box structure with an opening on the left side, and a communicating air inlet pipe communicated with its interior is installed on the right side. A connecting plate is slidably connected inside the connecting box. A connecting tooth is fixedly connected to the left side of the connecting plate. A tension spring is fixedly connected to the right side of the connecting plate. The other end of the tension spring is fixedly connected to the inner side wall of the connecting box. A plurality of connecting grooves adapted to the connecting teeth are opened on the right side of the installation plate.

[0007] Preferably, a base is installed at the bottom of the frame, mounting bolts are installed on the upper surface of the base, and the upper surface of the right end of the cross plate is connected to the inner top wall of the shearing angle box through a tensioning rope.

[0008] Preferably, two air chambers of the air cylinder are respectively connected with a first air pipe and a second air pipe. An electromagnetic valve is installed on the surface of the first air pipe, and an electromagnetic three-way valve is installed on the surface of the second air pipe. A control panel is installed on the left side of the fuselage plate, and the control panel is respectively coupled with the electromagnetic valve and the electromagnetic three-way valve.

[0009] Preferably, a protective telescopic rod is installed at the bottom of the connection box, and the protective telescopic rod is composed of an outer sleeve and an inner rod.

[0010] Preferably, the foot pedal mechanism includes a foot pedal rotatably connected to the bottom end of the frame, and rollers are installed at the bottom end of the vertical rod.

[0011] Preferably, an induction block is installed on the left side of the bottom end of the vertical rod, a proximity switch is installed on the left side of the frame, and the proximity switch is coupled to the control panel through a wire.

[0012] The present invention has the following beneficial effects:

[0013] 1. For a pneumatic-assisted foot-operated angle shearing machine proposed by the present invention, by stepping on the foot pedal, the vertical rod is driven to rise, the cross plate is pushed by the vertical rod, the mounting plate moves downward, at this time the upper cutter moves downward, and cooperates with the lower cutter to shear the angle of the plate. By setting a communicating air inlet pipe, compressed air can enter the interior of the connection box, and the connecting teeth are pushed to insert into the connection groove on the right side of the mounting plate, so as to realize that when there is compressed air, the upper cutter is automatically driven by the air cylinder, and it does not affect the manual angle shearing when there is no compressed air.

[0014] 2. For a pneumatic-assisted foot-operated angle shearing machine proposed by the present invention, when manually shearing the angle, the height of the protective telescopic rod will not decrease, because during manual operation, one's hands and feet are both controlled by the brain, and it is very difficult for the phenomenon that the upper cutter cuts the hand to occur. When driven by an air cylinder, the protective telescopic rod drops together with the upper cutter. First, when it touches the hand, the protective telescopic rod contracts, thus reminding the staff and preventing the hand from being sheared, greatly improving the safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front cross-sectional structure schematic diagram of a pneumatic-assisted foot-operated angle shearing machine proposed by the present invention;

[0016] Figure 2 is Figure 1 the enlarged structure schematic diagram at A in

[0017] Figure 3Schematic diagram of the internal structure of the angle shearing box of a pneumatic-assisted pedal angle shearing machine proposed by the present invention;

[0018] Figure 4 Partial enlarged structural schematic diagram of the pedal of a pneumatic-assisted pedal angle shearing machine proposed by the present invention;

[0019] Figure 5 Positive sectional enlarged structural schematic diagram of the connection box of a pneumatic-assisted pedal angle shearing machine proposed by the present invention;

[0020] Figure 6 Positive sectional structural schematic diagram of the protective telescopic rod of a pneumatic-assisted pedal angle shearing machine proposed by the present invention.

[0021] In the figure: 1 frame, 2 angle shearing table, 3 body plate, 4 angle shearing box, 5 cylinder, 6 mounting plate, 7 upper cutting tool, 8 lower cutting tool, 9 cross plate, 10 connecting rod, 11 vertical rod, 12 connection box, 13 communicating intake pipe, 14 connecting plate, 15 connecting teeth, 16 tension spring, 17 connection groove, 18 base, 19 first air pipe, 20 second air pipe, 21 solenoid valve, 22 electromagnetic three-way valve, 23 control panel, 24 protective telescopic rod, 25 pedal, 26 roller, 27 induction block, 28 proximity switch. Detailed implementation manners

[0022] 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 of the embodiments.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0024] Refer to Figures 1-6, A pneumatic-assisted foot-operated angle shear, comprising a frame 1. A corner cutting table 2 is installed on the right side of the top of the frame 1. A body plate 3 is installed on the left side of the top of the frame 1. A corner cutting box 4 is installed on the right side of the top of the body plate 3. A cylinder 5 is installed on the inner top wall of the corner cutting box 4. An installation plate 6 is installed inside the corner cutting box 4. An upper cutter 7 is installed at the bottom of the installation plate 6. A lower cutter 8 is installed on the upper surface of the corner cutting table 2. A rotating shaft is fixedly connected to the inner wall of the corner cutting box 4. A cross plate 9 is sleeved on the surface of the rotating shaft. Connecting rods 10 are rotatably connected to both ends of the cross plate 9. The bottom end of the left connecting rod 10 is rotatably connected to a vertical rod 11. The bottom end of the right connecting rod 10 is rotatably connected to the upper surface of the installation plate 6. A foot-operated mechanism for driving the vertical rod 11 to rise is provided at the bottom of the frame 1. The foot-operated mechanism includes a foot pedal 25 rotatably connected to the bottom end of the frame 1. A roller 26 is installed at the bottom end of the vertical rod 11. An induction block 27 is installed on the left side of the bottom end of the vertical rod 11. A proximity switch 28 is installed on the left side of the frame 1. The proximity switch 28 is coupled to a control panel 23 through a wire.

[0025] The bottom movable end of the cylinder 5 is fixedly connected to a connection box 12. The connection box 12 is a box structure with an open left side, and a communicating intake pipe 13 communicating with its interior is installed on the right side. A connecting plate 14 is slidably connected inside the connection box 12. A connecting tooth 15 is fixedly connected to the left side of the connecting plate 14. A tension spring 16 is fixedly connected to the right side of the connecting plate 14. The other end of the tension spring 16 is fixedly connected to the inner side wall of the connection box 12. A plurality of connection grooves 17 adapted to the connecting teeth 15 are opened on the right side of the installation plate 6.

[0026] A base 18 is installed at the bottom of the frame 1. Installation bolts are installed on the upper surface of the base 18. The upper surface of the right end of the cross plate 9 is connected to the inner top wall of the corner cutting box 4 through a tension rope. The two air chambers of the cylinder 5 are respectively connected to a first air pipe 19 and a second air pipe 20. An electromagnetic valve 21 is installed on the surface of the first air pipe 19. An electromagnetic three-way valve 22 is installed on the surface of the second air pipe 20. A control panel 23 is installed on the left side of the body plate 3. The control panel 23 is respectively coupled to the electromagnetic valve 21 and the electromagnetic three-way valve 22.

[0027] For the pneumatic-assisted foot-operated angle shear proposed by the present invention, by stepping on the foot pedal 25, the vertical rod 11 is driven to rise. By the vertical rod 11 pushing the cross plate 9, the installation plate 6 is moved downward. At this time, the upper cutter 7 moves downward and cooperates with the lower cutter 8 to cut the angle of the plate. By providing the communicating intake pipe 13, compressed air can enter the interior of the connection box 12, pushing the connecting tooth 15 to insert leftward into the connection groove 17 on the right side of the installation plate 6, so as to realize automatically driving the upper cutter 7 by using the cylinder 5 when there is compressed air, without affecting manual angle cutting when there is no compressed air.

[0028] A protective telescopic rod 24 is installed at the bottom of the connection box 12. The protective telescopic rod 24 is composed of an outer sleeve and an inner rod. When manually cutting the corner, the height of the protective telescopic rod 24 will not decrease because during manual operation, one's hands and feet are both controlled by the brain, and it is very difficult for the upper cutter 7 to cut the hand. When driven by the cylinder 5, the protective telescopic rod 24 falls together with the upper cutter 7. When it first touches the hand, the protective telescopic rod 24 contracts, thus reminding the staff and preventing the hand from being cut, greatly improving the safety.

[0029] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A pneumatic-assisted pedal corner cutting machine, comprising a frame (1), characterized in that: On the right side of the top of the frame (1), a corner cutting table (2) is installed. On the left side of the top of the frame (1), a body plate (3) is installed. On the right side of the top of the body plate (3), a corner cutting box (4) is installed. On the inner top wall of the corner cutting box (4), a cylinder (5) is installed. Inside the corner cutting box (4), a mounting plate (6) is installed. At the bottom of the mounting plate (6), an upper cutter (7) is installed. On the upper surface of the corner cutting table (2), a lower cutter (8) is installed. A rotating shaft is fixedly connected to the inner wall of the corner cutting box (4). A cross plate (9) is sleeved on the surface of the rotating shaft. Connecting rods (10) are rotatably connected to both ends of the cross plate (9). The bottom end of the left connecting rod (10) is rotatably connected to a vertical rod (11). The bottom end of the right connecting rod (10) is rotatably connected to the upper surface of the mounting plate (6). At the bottom of the frame (1), a foot-operated mechanism for driving the vertical rod (11) to rise is provided. The bottom movable end of the cylinder (5) is fixedly connected to a connecting box (12). The connecting box (12) is a box structure with an opening on the left side, and a communicating intake pipe (13) connected to its interior is installed on the right side. A connecting plate (14) is slidably connected inside the connecting box (12). A connecting tooth (15) is fixedly connected to the left side of the connecting plate (14). A tension spring (16) is fixedly connected to the right side of the connecting plate (14). The other end of the tension spring (16) is fixedly connected to the inner side wall of the connecting box (12). A plurality of connecting grooves (17) adapted to the connecting teeth (15) are formed on the right side of the mounting plate (6).

2. The pneumatic-assisted pedal corner cutting machine according to claim 1, characterized in that: A base (18) is installed at the bottom of the frame (1). Mounting bolts are installed on the upper surface of the base (18). The upper surface of the right end of the cross plate (9) is connected to the inner top wall of the corner cutting box (4) through a flexible rope.

3. The pneumatic-assisted pedal corner cutter according to claim 1, characterized in that: The two air chambers of the cylinder (5) are respectively connected to a first air pipe (19) and a second air pipe (20). An electromagnetic valve (21) is installed on the surface of the first air pipe (19). An electromagnetic three-way valve (22) is installed on the surface of the second air pipe (20). A control panel (23) is installed on the left side of the body plate (3). The control panel (23) is coupled to the electromagnetic valve (21) and the electromagnetic three-way valve (22) respectively.

4. The pneumatic-assisted pedal corner cutter according to claim 1, characterized in that: A protective telescopic rod (24) is installed at the bottom of the connecting box (12). The protective telescopic rod (24) is composed of an outer sleeve and an inner rod.

5. The pneumatic-assisted pedal corner cutting machine according to claim 1, wherein: The foot-operated mechanism includes a foot pedal (25) rotatably connected to the bottom end of the frame (1). A roller (26) is installed at the bottom end of the vertical rod (11).

6. The pneumatic-assisted pedal corner cutter according to claim 1, wherein: An induction block (27) is installed on the left side of the bottom end of the vertical rod (11). A proximity switch (28) is installed on the left side of the frame (1). The proximity switch (28) is coupled to the control panel (23) through a wire.

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