Punching device with safety protection mechanism

Abstract

The punching device with the safety protection mechanism comprises a base, a supporting plate is fixedly installed at the top of the base, a top plate is fixedly installed at the top of the supporting plate, a first air cylinder is fixedly installed at the bottom of the top plate, and a die punch is fixedly installed at the telescopic end of the first air cylinder. And a punching blade is mounted on the die punch. By the adoption of the structure, the second air cylinder can drive the support to descend, the pressing plate is pressed downwards, a punching piece can be fixed, meanwhile, the protection frame is fixed to the outer side of the pressing plate, the support descends and drives the protection frame to descend at the same time, and during descending, the door plate is blocked by the check block on the base to be closed under stress; the protective frame is arranged on the door plate, so that the protective frame and the door plate form a protective structure, the protective effect on hurting people due to the fact that a cutter is broken off can be achieved, the punched part can be pressed and fixed, and the punched part is prevented from moving in the punching process.

Description

Technical Field

[0001] The utility model relates to the technical field of punching and cutting devices, in particular to a punching and cutting device with a safety protection mechanism. Background Art

[0002] Punching is a commonly used technical means in the existing parts processing process. The materials that can be punched include non-metallic materials such as rubber and metal materials. Due to special reasons, the punch or tool and other molds may break during the operation of the punching device, which may easily fly out and injure people or cause other losses.

[0003] The existing Chinese patent with publication number CN212218702U discloses a punching device with a safety protection mechanism, which includes a base, a support plate fixedly connected to the upper end of the base, a top seat fixedly connected to the other end of the support plate, a cylinder fixedly connected to the lower end of the top seat, a die punch connected to the output end of the cylinder through a piston rod, a punch blade fixedly connected to the lower end of the die punch, a protective frame fixedly sleeved on the side wall of the die punch, a number of protective mechanisms evenly and equidistantly distributed on the lower end of the protective frame, a fixed block fixedly connected to the upper end of the base directly below the punch blade; the protective mechanism includes a protective groove, a spring and a protective plate, and the protective groove is provided at the lower end of the protective frame. Although the device can provide safety protection for the operator through the protective frame and the protective plate, the device does not have a structure to fix the punching piece, and the workpiece may move during punching, causing punching failure. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a punching device with a safety protection mechanism to solve the problem that the workpiece may move during punching.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A punching device with a safety protection mechanism comprises a base, a support plate is fixedly installed on the top of the base, a top plate is fixedly installed on the top of the support plate, a first cylinder is fixedly installed on the bottom of the top plate, a mold punch is fixedly installed on the telescopic end of the first cylinder, a punching blade is installed on the mold punch, a second cylinder is fixedly installed on the bottom of the base, a bracket is fixedly installed on the telescopic end of the second cylinder, the bracket passes through the base, pressure plates are fixedly installed on both sides of the bracket, a protection frame is fixedly installed on the pressure plate, a hinge is installed on the bottom of the front side of the protection frame, a door panel is hinged on the hinge, a lower die base is installed on the top of the base, and a punching hole is provided on the lower die base.

[0007] Preferably, a torsion spring is installed on the hinge shaft of the hinge, one end of the torsion spring is fixed to the door panel, and the other end of the torsion spring is fixed to the protective frame.

[0008] Preferably, first through grooves are opened on both sides of the top of the base, and both sides of the protection frame move in the first through grooves. A second through groove is opened laterally on the top of the base, and the door panel moves in the second through grooves.

[0009] Preferably, a stopper is fixedly mounted on the top front end of the base, and the stopper corresponds to and cooperates with the door panel.

[0010] In summary, the beneficial effects of the utility model are:

[0011] First, the utility model provides a punching device with a safety protection mechanism. The second cylinder can drive the bracket to descend, so that the pressure plate is pressed down, and the punching piece can be fixed. At the same time, the protection frame is fixed on the outside of the pressure plate. When the bracket descends, it drives the protection frame to descend. When descending, the door panel is blocked by the block on the base and closed by force, so that the protection frame and the door panel form a protection structure, which can protect against the phenomenon of the tool breaking and easily flying out to injure people, and can also suppress and fix the punching piece to prevent the punching piece from moving during the punching process.

[0012] Second, when the second cylinder drives the bracket to descend, the door panel descends, and the baffle blocks the door panel to close the door panel. When the second cylinder drives the bracket to rise, the torsion spring enables the door panel to open automatically when it is not blocked. The structure is sophisticated, making it easy to place and take the punching parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a basic structural schematic diagram of the utility model;

[0014] Figure 2 For the utility model Figure 1 Middle AA section;

[0015] Figure 3 It is a top view of the base part of the utility model.

[0016] Figure numerals: 1. base; 2. support plate; 3. top plate; 4. first cylinder; 5. die punch; 6. punching blade; 7. second cylinder; 8. bracket; 9. pressure plate; 10. protective frame; 11. door panel; 12. lower die base; 13. punching hole; 14. torsion spring; 15. first through groove; 16. second through groove; 17. stopper; 18. hinge. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] like Figure 1 - Figure 3 As shown, the utility model provides a punching device with a safety protection mechanism, including a base 1, a support plate 2 is fixedly installed on the top of the base 1, a top plate 3 is fixedly installed on the top of the support plate 2, a first cylinder 4 is fixedly installed on the bottom of the top plate 3, a mold punch 5 is fixedly installed on the telescopic end of the first cylinder 4, a punching blade 6 is installed on the mold punch 5, a second cylinder 7 is fixedly installed on the bottom of the base 1, a bracket 8 is fixedly installed on the telescopic end of the second cylinder 7, the bracket 8 runs through the base 1, pressing plates 9 are fixedly installed on both sides of the bracket 8, a protective frame 10 is fixedly installed on the pressing plate 9, a hinge 18 is installed on the bottom of the front side of the protective frame 10, a door panel 11 is hinged on the hinge 18, a lower die base 12 is installed on the top of the base 1, and a punching hole 13 is provided on the lower die base 12.

[0020] When in use, the door panel 11 is in an open state, and the punching piece is placed on the lower die seat 12. After manually adjusting the position, the second cylinder 7 can be used to drive the bracket 8 to descend, and the top two sides of the bracket 8 are fixedly connected to the pressure plate 9, so that the pressure plate 9 presses the punching piece and plays a fixing role. At the same time, the protective frame 10 is fixed on the outside of the pressure plate 9. When the bracket 8 descends, it drives the protective frame 10 to descend. When descending, the door panel 11 is blocked by the block 17 on the base 1 and forced to close, so that the protective frame 10 and the door panel 11 form a protective structure to play a protective role. When punching, the first cylinder 4 is used to drive the punching blade 6 to punch the punching piece placed on the lower die seat 12.

[0021] A torsion spring 14 is installed on the hinge shaft of the hinge 18, one end of the torsion spring 14 is fixed to the door panel 11, and the other end of the torsion spring 14 is fixed to the protection frame 10. The torsion spring 14 enables the door panel 11 to be opened automatically when it is not blocked, so as to facilitate the removal of the punching parts.

[0022] The top sides of the base 1 are provided with first through slots 15, and the two sides of the protection frame 10 are movable in the first through slots 15. The top of the base 1 is provided with second through slots 16, and the door panel 11 is movable in the second through slots 16. The first through slots 15 reserve space for the lifting and lowering of the two sides of the protection frame 10 and the bracket 8, and the second through slots 16 reserve space for the lifting and lowering of the door panel 11.

[0023] A stopper 17 is fixedly mounted on the top front end of the base 1, and the stopper 17 is matched with the door panel 11. When the door panel 11 descends, the stopper blocks the door panel 11, so that the door panel 11 is closed.

[0024] Working principle: when in use, the door panel 11 is in an open state, and the punching piece is placed on the lower die seat 12. After manually adjusting the position, the second cylinder 7 can be used to drive the bracket 8 to descend, and the top two sides of the bracket 8 are fixedly connected to the pressing plate 9, so that the pressing plate 9 presses the punching piece and plays a fixing role. At the same time, the protective frame 10 is fixed on the outside of the pressing plate 9. When the bracket 8 descends, the protective frame 10 is driven to descend. When descending, the door panel 11 is blocked by the block 17 on the base 1 and closed by force, so that the protective frame 10 and the door panel 11 form a protective structure to play a protective role. When punching, the first cylinder 4 is used to drive the punching blade 6 to punch the punching piece placed on the lower die seat 12. After the punching is completed, the second cylinder 7 drives the bracket 8 to rise, thereby driving the pressing plate 9 and the protective frame 10 to rise. The pressing plate 9 does not press the punching piece, and the door panel 11 is automatically opened under the action of the torsion spring 14 after it is not blocked by the block 17. At this time, the punching piece can be directly taken.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A punching device with a safety protection mechanism, comprising a base (1), characterized in that: A support plate (2) is fixedly mounted on the top of the base (1), a top plate (3) is fixedly mounted on the top of the support plate (2), a first cylinder (4) is fixedly mounted on the bottom of the top plate (3), a die punch (5) is fixedly mounted on the telescopic end of the first cylinder (4), a punching blade (6) is mounted on the die punch (5), a second cylinder (7) is fixedly mounted on the bottom of the base (1), a bracket (8) is fixedly mounted on the telescopic end of the second cylinder (7), the bracket (8) passes through the base (1), pressing plates (9) are fixedly mounted on both sides of the bracket (8), a protective frame (10) is fixedly mounted on the top of the pressing plate (9), a hinge (18) is mounted on the bottom of the front face of the protective frame (10), a door panel (11) is hingedly mounted on the hinge (18), a lower die seat (12) is mounted on the top of the base (1), a punching hole (13) is provided on the lower die seat (12).

2. A punching device with a safety protection mechanism according to claim 1, characterized in that: A torsion spring (14) is installed on the hinge shaft of the hinged member (18); one end of the torsion spring (14) is fixed to the door panel (11), and the other end of the torsion spring (14) is fixed to the protective frame (10).

3. A punching device with a safety protection mechanism according to claim 1, characterized in that: The top of the base (1) is provided with first through slots (15) on both sides, and the two sides of the protection frame (10) move in the first through slots (15). The top of the base (1) is provided with second through slots (16) in a horizontal direction, and the door panel (11) moves in the second through slots (16).

4. The punching device with a safety protection mechanism according to claim 1, characterized in that: A stopper (17) is fixedly mounted on the top front end of the base (1), and the stopper (17) corresponds to and cooperates with the door panel (11).

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