阅读说明：本技术 用于切割海绵钛的斜切机 (Inclined cutting machine for cutting titanium sponge ) 是由 刘易 宋争艳 潘国辉 马影 刘静 李雪健 于 2020-04-10 设计创作，主要内容包括：本发明用于切割海绵钛的斜切机,涉及有色金属生产设备技术领域,尤其涉及海绵钛厚板切割设备。本发明传动装置的动力输出端与斜切机本体的动力输入端相连接；斜切机本体的侧面设置有制动器鼓风装置；溜槽的倾斜角为50°；溜槽装于斜切机本体上,用于向斜切机本体中输送待切割海绵钛；刀片更换小车设置于斜切机本体一侧；刀片更换小车上装有待更换刀片,用于快速更换斜切机本体的刀片。传动装置包括：主电机、独立机座、皮带轮和皮带；主电机通过独立机座装于地基上；主电机的输出端装有皮带轮并通过皮带与斜切机本体相连接。本发明的技术方案解决了现有技术中的由于传统剪切机都是直立剪切,无法实现不规则钛坨输送的问题。(The invention discloses a beveller for cutting titanium sponge, relates to the technical field of non-ferrous metal production equipment, and particularly relates to titanium sponge thick plate cutting equipment. The power output end of the transmission device is connected with the power input end of the miter saw body; a brake air blowing device is arranged on the side surface of the miter saw body; the inclination angle of the chute is 50 degrees; the chute is arranged on the oblique cutting machine body and used for conveying the titanium sponge to be cut into the oblique cutting machine body; the blade replacing trolley is arranged on one side of the miter saw body; the blade replacing trolley is provided with a blade to be replaced and used for rapidly replacing the blade of the miter saw body. The transmission device comprises: the device comprises a main motor, an independent machine base, a belt pulley and a belt; the main motor is arranged on the foundation through the independent machine base; the output end of the main motor is provided with a belt pulley and is connected with the inclined cutter body through a belt. The technical scheme of the invention solves the problem that the conveying of irregular titanium lumps cannot be realized because the traditional shearing machine is used for vertically shearing in the prior art.)

1. A miter saw for cutting titanium sponge, said miter saw comprising: the device comprises a transmission device (1.0), a miter cutter body (2.0), a brake air-blowing device (4.0), a chute (5.0) and a blade replacing trolley (6.0);

the power output end of the transmission device (1.0) is connected with the power input end of the miter saw body (2.0);

a brake air-blowing device (4.0) is arranged on the side surface of the miter cutter body (2.0) and is used for cooling a brake in the miter cutter body (2.0) in an air cooling mode;

the chute (5.0) is arranged on the oblique cutting machine body (2.0) and is used for conveying the titanium sponge to be cut into the oblique cutting machine body (2.0);

the blade replacing trolley (6.0) is arranged on one side of the inclined cutting machine body (2.0); the blade replacing trolley (6.0) is provided with a blade to be replaced and used for rapidly replacing the blade of the inclined cutting machine body (2.0).

2. Miter saw for cutting titanium sponge according to claim 1, wherein said transmission means (1.0) comprises: a main motor (1.1), an independent machine base (1.2), a belt pulley (1.3) and a belt (1.4);

the main motor (1.1) is arranged on the foundation through an independent machine base (1.2);

the output end of the main motor (1.1) is provided with a belt pulley (1.3) and is connected with the inclined cutter body (2.0) through a belt (1.4).

3. The miter saw for cutting titanium sponge according to claim 1, wherein said miter saw body (2.0) comprises: the device comprises a rack (2.1), an eccentric shaft assembly (2.2), a primary gear shaft (2.3), a secondary gear shaft (2.4), a hand wheel system (2.5), an outlet sliding plate A (2.6), an outlet sliding plate B (2.7), an outlet sliding plate C (2.8), a shear blade device (2.9), a hydraulic locking device (2.10) and a blade replacing oil cylinder (2.11);

the eccentric shaft assembly (2.2) is arranged in the rack (2.1), and the eccentric shaft assembly (2.2) is connected with the second-stage gear shaft (2.4);

the second-stage gear shaft (2.4) is meshed with the first-stage gear shaft (2.3);

the first-stage gear shaft (2.3) is connected with the transmission device (1.0);

the shear blade device (2.9) is arranged on an upper shear seat (2.2.3) at the lower part of the eccentric shaft assembly (2.2), and is driven by the eccentric shaft assembly (2.2) to perform shearing work;

the upper shear seat (2.2.3) is arranged in a sliding plate combination consisting of an outlet sliding plate A (2.6), an outlet sliding plate B (2.7) and an outlet sliding plate C (2.8), and is guided and limited by the sliding plate combination;

the shear blade device (2.9) is provided with a locking device (2.10), the locking device (2.10) is controlled by hydraulic pressure, the shear blade device (2.9) is clamped by the tension of a disc spring, and the hydraulic pressure is opened after oil is introduced;

the hand wheel system (2.5) is arranged on the frame (2.1), and the side gap of the shear blade device (2.9) is adjusted by sliding two wedge-shaped surfaces;

the blade replacing oil cylinder (2.11) is arranged on the rack (2.1) and is positioned at the side part of the cutting edge device (2.9), a lever of the blade replacing oil cylinder (2.11) extends out to push a blade on the cutting edge device (2.9) out to the blade replacing trolley (6.0), and then a prepared new blade is pulled into the rack (2.1).

4. The beveller for cutting titanium sponges according to claim 3, characterized in that the primary gear shaft (2.3) is mounted on a frame (7.0); one end of the first-stage gear shaft (2.3) is provided with a flywheel (2.3.1) and a pneumatic clutch (2.3.2), and the other end is provided with a pneumatic brake (2.3.3); the flywheel (2.3.1) is connected with the belt pulley (1.3) through a belt (1.4), rotates under the driving of the belt pulley (1.3), and simultaneously drives the primary gear shaft (2.3) to rotate.

5. A miter saw for cutting titanium sponge according to claim 3, wherein said eccentric shaft assembly (2.2) comprises: an eccentric shaft (2.2.1), a connecting rod (2.2.2), an upper shear seat (2.2.3), a proximity switch (2.2.4), a front panel (2.2.5) and a bull gear (2.2.6);

the front panels (2.2.5) are matched and installed with the two sides of the rack (2.1) through pin shafts, the coaxiality of bearing holes in the middle parts of the two front panels (2.2.5) is ensured, and eccentric shafts (2.2.1) are assembled in the bearing holes;

one end of the eccentric shaft (2.2.1) is provided with a big gear (2.2.6) in a conical keyless connection mode; the big gear (2.2.6) is meshed with a small gear disc of the second-stage gear shaft (2.4);

the eccentric shaft (2.2.1) is connected with two connecting rods (2.2.2), and the connecting rods (2.2.2) drive the upper shearing seat (2.2.3) to slide up and down in the rack (2.1) to realize the shearing function;

the tail end of the eccentric shaft (2.2.1) is provided with a proximity switch (2.2.4) which is positioned outside the bull gear (2.2.6) and used for controlling the shearing starting position.

6. A miter saw for cutting titanium sponge according to claim 4, wherein said shear blade means (2.9) comprises: an upper knife seat (2.9.1), an upper blade (2.9.2), a lower blade (2.9.3) and a lower knife seat (2.9.4);

the upper cutter holder (2.9.1) is arranged on the upper shearing holder (2.2.3), and the lower cutter holder (2.9.4) is arranged at the bottom of the rack (2.1); the upper tool apron (2.9.1) is arranged opposite to the lower tool apron (2.9.4);

the upper blade (2.9.2) and the lower blade (2.9.3) are respectively arranged on the upper tool apron (2.9.1) and the lower tool apron (2.9.4), and the cutting edges are respectively positioned at an outlet at the bottom of the chute (5.0);

the lower part of the upper cutter holder (2.9.4) is also provided with a stock stop (3.0) which is positioned right opposite to the outlet of the chute (5.0) and used for stopping the material to be cut falling from the chute (5.0).

7. A miter saw for cutting titanium sponge according to claim 6, wherein said chute (5.0) has an angle of inclination of 50 °.

Technical Field

The invention discloses a beveller for cutting titanium sponge, relates to the technical field of non-ferrous metal production equipment, and particularly relates to titanium sponge thick plate cutting equipment.

Background

In recent years, titanium and titanium alloy have great application and development in the fields of aerospace, ships, chemical engineering, biomedicine, automobiles and the like, but titanium has very high chemical activity in a liquefied state, the smelting technology of titanium and titanium alloy is difficult, in order to improve the utilization rate of titanium sponge, improve the production quality of titanium alloy and optimize the production process flow of titanium and titanium alloy, titanium sponge lumps can be cut into thick plates by a large gate cutter, and the thick plates of titanium sponge are supplied to a beveling machine processing line through a conveyor and a feeder, so that the titanium sponge can be successfully cut to the specified product size. Finally, the size of the final product is achieved by rotating the cutting machine

The titanium sponge lumps are cellular, the metal crystals in the titanium sponge lumps are irregular, the porous titanium sponge lumps cannot be directly used, the titanium sponge lumps can be cast into titanium ingots only by melting the titanium sponge lumps into liquid in an electric furnace, the titanium sponge lumps need to be crushed before entering a smelting furnace, at present, the titanium sponge lumps can only be crushed through a rotary cutter, but the yield is too low and is greatly restricted, the crushing size is not ideal, in order to increase the crushing yield and improve the crushing fineness, a shearing machine needs to be designed to directly shear the titanium sponge lumps, and the conveying of the irregular titanium lumps cannot be realized because the traditional shearing machine is vertical in shearing.

In view of the above problems in the prior art, it is necessary to develop a novel miter saw for cutting titanium sponge, so as to overcome the problems in the prior art.

Disclosure of Invention

According to the technical problem that the conventional shearing machine is used for vertically shearing and cannot convey irregular titanium lumps, the prior art provides the beveling machine for cutting the titanium sponge. The chute is matched with the gantry type cutting machine body mainly by adopting inclination, so that the aim of cutting materials by sliding to the cutting edge by means of self weight is fulfilled.

The technical means adopted by the invention are as follows:

a miter saw for cutting titanium sponge, comprising: the device comprises a transmission device, a miter saw body, a brake air-blowing device, a chute and a blade replacing trolley;

furthermore, the power output end of the transmission device is connected with the power input end of the miter saw body;

furthermore, a brake air blowing device is arranged on the side face of the miter saw body and used for cooling a brake in the miter saw body in an air cooling mode;

furthermore, the chute has an inclination angle of 50 degrees, is arranged on the oblique cutting machine body and is used for conveying the titanium sponge to be cut into the oblique cutting machine body;

further, the blade replacing trolley is arranged on one side of the miter saw body; the blade replacing trolley is provided with a blade to be replaced and used for rapidly replacing the blade of the miter saw body.

Further, the transmission device includes: the device comprises a main motor, an independent machine base, a belt pulley and a belt;

furthermore, the main motor is arranged on the foundation through an independent machine base;

furthermore, the output end of the main motor is provided with a belt pulley and is connected with the miter saw body through a belt.

Further, the miter saw body includes: the device comprises a frame, an eccentric shaft assembly, a primary gear shaft, a secondary gear shaft, a hand wheel system, an outlet sliding plate A, an outlet sliding plate B, an outlet sliding plate C, a shear blade device, a hydraulic locking device and a blade replacing oil cylinder;

furthermore, the first-stage gear shaft is connected with a transmission device;

further, the second-stage gear shaft is meshed with the first-stage gear shaft;

furthermore, the eccentric shaft is assembled in the frame, and the eccentric shaft is assembled and connected with the second-stage gear shaft;

furthermore, the shearing blade device is arranged on an upper shearing seat at the lower part of the eccentric shaft assembly and is driven by the eccentric shaft assembly to carry out shearing work;

furthermore, the upper shear seat is arranged in a sliding plate combination consisting of an outlet sliding plate A, an outlet sliding plate B and an outlet sliding plate C, and is guided and limited by the sliding plate combination;

furthermore, a locking device is arranged on the shear blade device, the locking device is hydraulically controlled, the shear blade device is clamped by the tension of a disc spring, and the shear blade device is opened after hydraulic oil is introduced;

furthermore, the hand wheel system is arranged on the frame, and the side gap of the shear blade device is adjusted by sliding the two wedge-shaped surfaces;

furthermore, the blade replacing oil cylinder is arranged on the rack and positioned at the side part of the cutting edge device, and a lever of the blade replacing oil cylinder extends out to push the blade on the cutting edge device out to the blade replacing trolley and pull the prepared new blade into the rack.

Furthermore, the first-stage gear shaft is arranged on the frame body; one end of the first-stage gear shaft is provided with a flywheel and a pneumatic clutch, and the other end of the first-stage gear shaft is provided with a pneumatic brake; the flywheel is connected with the belt pulley through a belt, rotates under the driving of the belt pulley and simultaneously drives the first-stage gear shaft to rotate.

Further, the eccentric shaft assembly comprises: the eccentric shaft, the connecting rod, the upper shear seat, the proximity switch, the front panel and the bull gear;

furthermore, the front panels are matched and installed with the two sides of the rack through pin shafts, the coaxiality of bearing holes in the middle parts of the two front panels is ensured, and eccentric shafts are assembled in the bearing holes;

furthermore, one end of the eccentric shaft is provided with a large gear in a conical keyless connection mode; the large gear is meshed with a small fluted disc of the second-stage gear shaft;

furthermore, the eccentric shaft is connected with two connecting rods, and the connecting rods drive the upper shearing seat to slide up and down in the rack to realize the shearing function;

furthermore, the tail end of the eccentric shaft is provided with a proximity switch which is positioned outside the bull gear and used for controlling the shearing starting position;

further, the cutting edge device comprises: the upper cutter seat, the upper blade, the lower blade and the lower cutter seat;

furthermore, the upper tool apron is arranged on the upper shearing seat, and the lower tool apron is arranged at the bottom of the rack; the upper tool apron and the lower tool apron are arranged oppositely;

furthermore, the upper blade and the lower blade are respectively arranged on the upper blade holder and the lower blade holder, and the cutting edges are respectively positioned at the outlet of the bottom of the chute;

furthermore, the lower part of the upper cutter holder is also provided with a material blocking mechanism which is positioned right opposite to the outlet of the chute and used for blocking the material to be cut which falls from the chute.

The use mode of the invention is as follows:

shearing the titanium lump:

the power supply is started, the main motor is started to drive the first-stage gear shaft to rotate through the belt pulley and the belt and the flywheel, the first-stage gear shaft drives the eccentric shaft to rotate through the second-stage gear shaft, the eccentric shaft drives the connecting rod connected with the eccentric shaft and the upper shearing seat to move up and down, the upper shearing seat drives the upper blade arranged on the upper shearing seat to move up and down to do shearing action, the stop mechanism is arranged on the upper blade, the size of the sheared material is controlled during shearing, the material is placed to splash, the sheared material enters the conveyor through the outlet chute, and shearing work is completed. The titanium lump slides down to the lower part outlet by the chute and is blocked by the stock stop, and the upper blade moves down to cooperate with the lower blade to shear the titanium lump into a small block with standard thickness.

Replacement of the blade:

the blade replacing trolley is provided with four upper and lower tool holders, a new blade is placed on the upper and lower tool holders, and the trolley is pushed to a blade replacing position;

when the blade is replaced, pressure oil is injected into the locking devices of the upper blade seat and the lower blade seat of the oblique cutting machine body, so that the locking devices of the upper blade seat and the lower blade seat are loosened, the blade replacing oil cylinder on the oblique cutting machine body is started to push the old blade seat out of the shearing body to the proper position of the blade replacing trolley, the prepared new upper blade seat and the prepared new lower blade seat are pulled into the oblique cutting machine body by the blade replacing oil cylinder, the pressure of the hydraulic locking device is cancelled, and the replaced blade is installed in place.

Compared with the prior art, the invention has the following advantages:

1. according to the beveling machine for cutting the titanium sponge, the body of the beveling machine is of a gantry type, the structure is reasonable in stress and strong in impact resistance, and the reliability and stability of the operation are far higher than those of a conventional cantilever type structure;

2. according to the beveller for cutting the titanium sponge, the power transmission of the beveller is realized by driving a belt to transmit to a high-precision hard tooth surface gear by a motor. The main motor is a long-term working system, and energy during shearing is mainly released by a flywheel, so that the power of the main motor can be greatly reduced;

3. according to the beveller for cutting the titanium sponge, the control of the shearing work of the beveller is realized by the pneumatic friction clutch and the pneumatic friction brake, the operation is convenient, the noise is low, and the reliable safety protection is provided for the shearing work;

4. according to the beveller for cutting the titanium sponge, the eccentric shaft of the beveller is connected with the large gear in a conical keyless connection mode, so that the precision of the central position of the gear can be ensured, the large gear can fully exert the function of each tooth, and the infinite service life of the large gear can be ensured;

5. according to the beveller for cutting the titanium sponge, the shear blade is quickly and conveniently replaced by adopting the hydraulic locking shear blade replacing mechanism;

6. according to the beveling machine for cutting the titanium sponge, the inlet chute is at an inclination angle of 50 degrees, and materials fall to the shear blade under the self weight after being conveyed to the chute by the conveyor and automatically enter into shearing;

7. according to the beveling machine for cutting the titanium sponge, when the blade of the beveling machine is replaced, the blade replacing trolley transports the new blade to the designated position for waiting, the old blade is withdrawn firstly, and then the new blade is installed, so that the operation is convenient and rapid.

In conclusion, the technical scheme of the invention solves the problem that the conveying of irregular titanium lumps cannot be realized because the traditional shearing machine is used for vertically shearing in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is an isometric view of the present invention;

FIG. 5 is a schematic view of the construction of the miter saw body with the frame and front panel removed;

fig. 6 is a schematic view of a cutting device according to the present invention.

In the figure: 1.0, a transmission device 1.1, a main motor 1.2, an independent base 1.3, a belt pulley 1.4, a belt 2.0, a miter saw body 2.1, a frame 2.2, an eccentric shaft assembly 2.2.1, an eccentric shaft 2.2.2, a connecting rod 2.2.3, an upper shear seat 2.2.4, a proximity switch 2.2.5, a front panel 2.2.6, a bull gear 2.3, a first stage gear shaft 2.3.1, a flywheel 2.3.2, a pneumatic clutch 2.3, a pneumatic brake 2.4, a second stage gear shaft 2.5, a hand wheel system 2.6, an outlet sliding plate A2.7, an outlet sliding plate B2.8, an outlet sliding plate C2.9, a shear edge device 2.9.1, an upper cutter seat 2.9.2, an upper cutter 2.9.3, a lower cutter 2.9.4, a lower cutter seat 2.10, a hydraulic locking device 2.11, a cutter replacing oil cylinder 3.0, a blowing device 4.0, a blowing device, a chute blade replacing trolley 0.6 and a rack body.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the drawings, the present invention provides a miter saw for cutting titanium sponge, including: the device comprises a transmission device 1.0, a miter saw body 2.0, a brake air blowing device 4.0, a chute 5.0 and a blade replacing trolley 6.0; the power output end of the transmission device 1.0 is connected with the power input end of the miter saw body 2.0; a brake air-blowing device 4.0 is arranged on the side surface of the miter saw body 2.0 and used for cooling the brake in the miter saw body 2.0 by air cooling; the chute 5.0 has an inclination angle of 50 degrees, is arranged on the miter saw body 2.0 and is used for conveying the titanium sponge to be cut into the miter saw body 2.0; the blade replacing trolley 6.0 is arranged on one side of the miter saw body 2.0; the blade replacing trolley 6.0 is provided with a blade to be replaced and used for rapidly replacing the blade of the miter saw body 2.0.

The transmission 1.0 comprises: the device comprises a main motor 1.1, an independent machine base 1.2, a belt pulley 1.3 and a belt 1.4; the main motor 1.1 is arranged on the foundation through the independent machine base 1.2; the output end of the main motor 1.1 is provided with a belt pulley 1.3 and is connected with the inclined cutter body 2.0 through a belt 1.4.

The miter saw body 2.0 includes: the device comprises a frame 2.1, an eccentric shaft assembly 2.2, a first-stage gear shaft 2.3, a second-stage gear shaft 2.4, a hand wheel system 2.5, an outlet sliding plate A2.6, an outlet sliding plate B2.7, an outlet sliding plate C2.8, a shear edge device 2.9, a hydraulic locking device 2.10 and a blade replacing oil cylinder 2.11; an eccentric shaft assembly 2.2 is arranged in the frame 2.1, and the eccentric shaft assembly 2.2 is connected with a second-stage gear shaft 2.4; the second-stage gear shaft 2.4 is meshed with the first-stage gear shaft 2.3; the first-stage gear shaft 2.3 is connected with the transmission device 1.0; the shear blade device 2.9 is arranged on an upper shear seat 2.2.3 at the lower part of the eccentric shaft assembly 2.2 and is driven by the eccentric shaft assembly 2.2 to carry out shearing work; the upper shear seat 2.2.3 is arranged in a sliding plate combination consisting of an outlet sliding plate A2.6, an outlet sliding plate B2.7 and an outlet sliding plate C2.8, and is guided and limited by the sliding plate combination; the shear blade device 2.9 is provided with a locking device 2.10, the locking device 2.10 is controlled by hydraulic pressure, the shear blade device 2.9 is clamped by the tension of a disc spring, and the hydraulic pressure is opened after oil is introduced; the hand wheel system 2.5 is arranged on the frame 2.1, and the side gap of the shear blade device 2.9 is adjusted by sliding two wedge-shaped surfaces; the blade replacing oil cylinder 2.11 is arranged on the frame 2.1 and is positioned at the side part of the cutting edge device 2.9, and the lever of the blade replacing oil cylinder 2.11 extends out to push the blade on the cutting edge device 2.9 out to the blade replacing trolley 6.0 and pull the prepared new blade into the frame 2.1.

The first-stage gear shaft 2.3 is arranged on the frame body 7.0; one end of the first-stage gear shaft 2.3 is provided with a flywheel 2.3.1 and a pneumatic clutch 2.3.2, and the other end is provided with a pneumatic brake 2.3.3; the flywheel 2.3.1 is connected with the belt pulley 1.3 through the belt 1.4, rotates under the driving of the belt pulley 1.3, and drives the first-stage gear shaft 2.3 to rotate at the same time.

The eccentric shaft assembly 2.2 comprises: an eccentric shaft 2.2.1, a connecting rod 2.2.2, an upper shear seat 2.2.3, a proximity switch 2.2.4, a front panel 2.2.5 and a bull gear 2.2.6; the front panels 2.2.5 are matched and installed with the two sides of the frame 2.1 through pin shafts, the coaxiality of bearing holes in the middle parts of the two front panels 2.2.5 is ensured, and eccentric shafts 2.2.1 are assembled in the bearing holes; one end of the eccentric shaft 2.2.1 is provided with a bull gear 2.2.6 in a conical keyless connection mode; the big gear 2.2.6 is meshed with a small fluted disc of the second-stage gear shaft 2.4; the eccentric shaft 2.2.1 is connected with two connecting rods 2.2.2, and the connecting rods 2.2.2 drive the upper shearing seat 2.2.3 to slide up and down in the frame 2.1 to realize the shearing function; the tail end of the eccentric shaft 2.2.1 is provided with a proximity switch 2.2.4 which is positioned outside the bull gear 2.2.6 and used for controlling the shearing starting position;

the cutting edge arrangement 2.9 comprises: an upper tool apron 2.9.1, an upper blade 2.9.2, a lower blade 2.9.3 and a lower tool apron 2.9.4; the upper tool apron 2.9.1 is arranged on the upper shearing seat 2.2.3, and the lower tool apron 2.9.4 is arranged at the bottom of the frame 2.1; the upper tool apron 2.9.1 is arranged opposite to the lower tool apron 2.9.4; the upper blade 2.9.2 and the lower blade 2.9.3 are respectively arranged on the upper tool apron 2.9.1 and the lower tool apron 2.9.4, and the cutting edges are respectively positioned at an outlet at the bottom of the chute 5.0; the lower part of the upper knife holder 2.9.4 is also provided with a material blocking mechanism 3.0 which is positioned right opposite to the outlet of the chute 5.0 and is used for blocking the material to be cut which falls from the chute 5.0.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.