Blade protection structure of plate shearing machine

Abstract

The utility model discloses a blade protection structure of a plate shearing machine, and belongs to the technical field of plate shearing machines. The blade protection structure of the plate shearing machine comprises a blade body, a blade body shaft frame is arranged above the blade body, a plurality of protection elastic frames are arranged on one side of the blade body, each protection elastic frame comprises a reset rotating sleeve, a metal elastic piece and an elastic frame lock shaft, a blade edge is arranged at the bottom of the blade body, and a lock hole is formed in the outer surface of the blade body. In order to solve the problems that the cutting edge area of an existing plate shearing machine blade is thin, a plate can bounce under the action of impact stress when a metal plate is punched, the bounced plate face can abrade the cutting edge, and therefore the cutting surface quality of the plate and the service life of the blade are affected, protection elastic frames are distributed at the two ends of a blade body, and the protection elastic frames are arranged on the blade body. After the blade completes punching and shearing operation, the blade ascends and resets, and the metal elastic piece overturns outwards and resets in the process, so that the situation that the plate bounces at the moment of punching and shearing operation can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of shearing machines, in particular to a blade protection structure of a shearing machine. Background Art

[0002] Shearing machine is a machine that uses one blade to make a reciprocating linear motion relative to another blade to shear the plate. It uses the moving upper blade and the fixed lower blade, and adopts a reasonable blade gap to apply shear force to metal plates of various thicknesses, so that the plates are broken and separated according to the required size.

[0003] The blade edge of the existing shearing machine is relatively thin. When punching metal plates, the plates will bounce up under the action of impact stress. The bounced plate surface will cause wear on the blade edge, thereby affecting the cut surface quality of the plate and the service life of the blade. Utility Model Content

[0004] The utility model aims to provide a shearing machine blade protection structure, wherein the protective spring frames are distributed at both ends of the blade body. When the blade completes the punching and shearing operation, the blade rises and resets, and during the process, the metal spring sheet flips outward and resets, thereby avoiding the situation where the plate bounces up at the moment of the punching and shearing operation, and can solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shearing machine blade protection structure, including a blade body, a blade shaft frame is arranged above the blade body, a plurality of protective spring frames are arranged on one side of the blade body, the protective spring frames include a reset sleeve, a metal spring sheet and a spring frame lock shaft, a cutting edge is arranged at the bottom of the blade body, a locking hole is arranged on the outer surface of the blade body, the locking hole extends through and to the two side surfaces of the blade body, and the locking hole is arranged as a special-shaped hole groove.

[0006] Preferably, the tool body shaft frame comprises a front tool shaft and a rear tool shaft, a perforated locking shaft is arranged between the front tool shaft and the rear tool shaft, and the perforated locking shaft and the rear tool shaft are arranged as an integrated structure.

[0007] Preferably, the rear blade shaft is connected to the locking hole via a perforated locking shaft, the perforated locking shaft is connected to the front blade shaft via a slot, and the front blade shaft and the rear blade shaft are fitted and connected to the blade body.

[0008] Preferably, the spring holder lock shaft is connected to the blade body through a lock hole, and the metal spring piece is connected to the reset sleeve through a slot.

[0009] Preferably, a hollow central axis is arranged inside the spring rack lock shaft, the hollow central axis is assembled and connected with the spring rack lock shaft, and an inner core spring is arranged inside the hollow central axis.

[0010] Preferably, the reset sleeve is rotatably connected to the hollow central shaft via an inner core spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the protective spring racks are distributed at both ends of the blade body, and the blade is connected to the hydraulic drive structure of the shearing machine through the blade body shaft rack. When the blade is pressed down to perform punching and shearing operations on the plate, the metal spring pieces on the outside of the protective spring rack will first contact the plate, and then fold inward under the action of pressure. During the process, the metal spring pieces will fit the surface of the plate, so that it can be pressed and fixed. When the blade completes the punching and shearing operation, the blade rises and resets, and the metal spring pieces flip outward and reset during the process, so that the plate can be prevented from bouncing up at the moment of punching and shearing operation;

[0013] 2. In the utility model, the metal spring is rotated by the reset sleeve and the hollow central shaft, and the inner core spring inside the hollow central shaft can generate resistance when twisting, so that the metal spring can be prevented from being bounced up by external force during the process of pressing the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is an overall side view of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall expanded structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the protective bomb rack of the utility model.

[0018] In the figure: 1. blade body; 2. blade shaft frame; 3. protective spring frame; 101. blade edge; 102. lock hole; 201. front blade shaft; 202. rear blade shaft; 203. perforated lock shaft; 301. reset sleeve; 302. metal spring; 303. spring frame lock shaft; 3031. hollow center shaft; 3032. inner core spring. DETAILED DESCRIPTION

[0019] 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.

[0020] In order to solve the problem that the blade edge area of ​​the existing shearing machine is relatively thin, the plate will bounce up under the action of impact stress when punching the metal plate, and the bounced plate surface will cause wear on the blade edge, thereby affecting the cutting quality of the plate and the service life of the blade; please refer to Figure 1-4 , the utility model provides the following solutions:

[0021] A shearing machine blade protection structure comprises a blade body 1, a blade body shaft frame 2 is arranged above the blade body 1, a plurality of protective spring frames 3 are arranged on one side of the blade body 1, the protective spring frames 3 include a reset sleeve 301, a metal spring sheet 302 and a spring frame lock shaft 303, a blade edge 101 is arranged at the bottom of the blade body 1, a locking hole 102 is arranged on the outer surface of the blade body 1, the locking hole 102 penetrates and extends to the two side surfaces of the blade body 1, and the locking hole 102 is arranged as a special-shaped hole groove;

[0022] In this embodiment, the protective spring racks 3 are distributed at both ends of the blade body 1, and the blade is connected to the hydraulic drive structure of the shearing machine through the blade shaft rack 2. When the blade is pressed down to perform punching and shearing operations on the plate, the metal spring pieces 302 on the outside of the protective spring rack 3 will first contact the plate, and then be folded inwards under the action of pressure. During the process, the metal spring pieces 302 will fit the surface of the plate, so that it can be pressed and fixed. When the blade completes the punching and shearing operations, the blade rises and resets. During the process, the metal spring pieces 302 flip outward and reset, so that the plate can be prevented from bouncing up at the moment of the punching and shearing operation.

[0023] The blade shaft frame 2 includes a front blade shaft 201 and a rear blade shaft 202, a perforated locking shaft 203 is arranged between the front blade shaft 201 and the rear blade shaft 202, the perforated locking shaft 203 and the rear blade shaft 202 are arranged as an integrated structure, the rear blade shaft 202 is connected to the locking hole 102 through the perforated locking shaft 203, the perforated locking shaft 203 and the front blade shaft 201 are connected through a card slot, and the front blade shaft 201 and the rear blade shaft 202 are closely connected to the blade body 1;

[0024] In this embodiment, the perforated lock shaft 203 and the protective bullet frame 3 are installed in an interlaced manner inside the lock hole 102, and the blade can be installed and fixed with the help of the blade shaft frame 2;

[0025] The spring frame lock shaft 303 is connected to the blade body 1 through the lock hole 102, the metal spring 302 is connected to the reset sleeve 301 through the slot, a hollow central axis 3031 is arranged inside the spring frame lock shaft 303, the hollow central axis 3031 is combined and connected with the spring frame lock shaft 303, an inner core spring 3032 is arranged inside the hollow central axis 3031, and the reset sleeve 301 is rotatably connected with the hollow central axis 3031 through the inner core spring 3032;

[0026] In this embodiment, the metal spring 302 is rotated by the reset sleeve 301 and the hollow central shaft 303. The inner core spring 3032 inside the hollow central shaft 303 can generate resistance when twisting, so as to prevent the metal spring 302 from bouncing up due to external force during the process of pressing the plate.

[0027] Working principle: the protective spring frame 3 is distributed at both ends of the blade body 1, and the blade is connected to the hydraulic drive structure of the shearing machine through the blade shaft frame 2. When the blade is pressed down to perform punching and shearing operations on the plate, the metal spring piece 302 on the outside of the protective spring frame 3 will first contact the plate, and then fold inward under the action of pressure. During the process, the metal spring piece 302 will fit the surface of the plate, so that it can be pressed and fixed. When the blade completes the punching and shearing operation, the blade rises and resets. During the process, the metal spring piece 302 flips outward and resets, which can avoid the plate from bouncing up at the moment of the punching and shearing operation.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shearing machine blade protection structure, comprising a blade body (1), characterized in that: A blade shaft frame (2) is arranged above the blade body (1); a plurality of protective spring frames (3) are arranged on one side of the blade body (1); the protective spring frames (3) include a reset sleeve (301), a metal spring sheet (302) and a spring frame locking shaft (303); a blade edge (101) is arranged at the bottom of the blade body (1); a locking hole (102) is arranged on the outer surface of the blade body (1); the locking hole (102) extends through and extends to both side surfaces of the blade body (1); and the locking hole (102) is arranged as a special-shaped hole groove.

2. A shearing machine blade protection structure according to claim 1, characterized in that: The knife body shaft frame (2) comprises a front knife shaft (201) and a rear knife shaft (202), a perforated locking shaft (203) is arranged between the front knife shaft (201) and the rear knife shaft (202), and the perforated locking shaft (203) and the rear knife shaft (202) are arranged as an integrated structure.

3. A shearing machine blade protection structure according to claim 2, characterized in that: The rear blade shaft (202) is connected to the lock hole (102) via a perforated lock shaft (203), the perforated lock shaft (203) is connected to the front blade shaft (201) via a slot, and the front blade shaft (201) and the rear blade shaft (202) are fitted and connected to the blade body (1).

4. A shearing machine blade protection structure according to claim 1, characterized in that: The spring frame lock shaft (303) is connected to the blade body (1) via a lock hole (102), and the metal spring sheet (302) is connected to the reset rotating sleeve (301) via a slot.

5. A shearing machine blade protection structure according to claim 4, characterized in that: A hollow central axis (3031) is arranged inside the spring frame lock shaft (303), the hollow central axis (3031) is assembled and connected with the spring frame lock shaft (303), and an inner core spring (3032) is arranged inside the hollow central axis (3031).

6. A shearing machine blade protection structure according to claim 5, characterized in that: The reset rotating sleeve (301) is rotationally connected to the hollow central shaft (3031) via an inner core spring (3032).

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