Inclined shearing machine

Abstract

The utility model relates to an inclined shearing machine which comprises a machine frame, a feeding hopper is arranged on the middle rear portion of the machine frame, a shearing area is arranged at the front end of the feeding hopper, and a discharging area is arranged outside the front side of the shearing area. The bottom of the feeding hopper is inclined relative to the horizontal plane; the bottom of the feeding hopper extends upwards and outwards to form an open type inclined feeding hopper; a pressing mechanism and a shearing mechanism are arranged in the shearing area; and the pressing mechanism and the shearing mechanism are arranged in parallel and are vertically arranged relative to the bottom of the feeding hopper. According to the inclined shearing machine disclosed by the utility model, the inclined feeding hopper is adopted, so that the inclined shearing machine is provided with an open hopper bin and can be suitable for materials with various lengths to enter; meanwhile, the gravity of the materials can be utilized to realize feeding; by matching with a pushing mechanism, a side pressing mechanism, a stopping mechanism and a pressing mechanism with a step-shaped pressing head which are uniquely designed, the materials are controllably put in and continuously compressed, and finally the materials are cut off by the shearing mechanism, so that qualified sheared material blocks are obtained.

Description

Technical Field

[0001] This utility model relates to an inclined shearing machine, belonging to the field of shearing machinery and equipment. Background Technology

[0002] Shearing machines, especially gantry shearing machines, are a commonly used type of shearing equipment. They typically employ a horizontally positioned feeding / pushing hopper and a vertically positioned gantry shear working together to cut materials for easy recycling and reuse.

[0003] The length of the feed box often determines the length of the equipment and the length of materials it can handle. In order to meet the shearing requirements of some long materials, the feed box often needs to be designed to be longer, and the corresponding pushing device also needs to be designed to be longer. However, the longer equipment also means that transportation is difficult. It generally needs to be disassembled into parts for transportation, and then reassembled and debugged. It can only be installed and used in a fixed manner at the shearing site.

[0004] Chinese Patent Publication No. CN108602296A discloses a method for processing scrap metal at a scrap metal recycling yard and a shearing press or shearing machine for this method. This invention addresses large scrap metal recycling yards where the site is large and materials are often fed in and piled up. When the scrap needs to be sheared and crushed, a fixed shearing machine would require significant time for material handling. Therefore, a mobile shearing machine is needed. However, due to limitations in the length of existing shearing machines and their associated feed / push boxes, mobile operation is difficult. For example, the structure disclosed in CN108602296A can only process relatively short pieces of material.

[0005] In view of the above situation, it is necessary to redesign the structure of the shearing machine in order to accommodate as many long materials as possible within the limited equipment size, so as to adapt to the special waste shearing application requirements. Utility Model Content

[0006] The purpose of this invention is to provide an inclined shearing machine, which uses an inclined feed hopper to create an open hopper that can accommodate materials of various lengths; combined with other components, it can shear materials.

[0007] To achieve the above-mentioned utility model objectives, this utility model provides an inclined shearing machine, including a frame, a feeding hopper in the middle and rear part of the frame, a shearing zone at the front end of the feeding hopper, and a discharge zone outside the front side of the shearing zone.

[0008] The bottom of the feed hopper is inclined relative to the horizontal plane; the bottom of the feed hopper extends upward and outward to form an open inclined feed hopper;

[0009] A pressing mechanism and a shearing mechanism are arranged in the shearing area; the pressing mechanism and the shearing mechanism are arranged in parallel and are arranged vertically relative to the bottom of the feeding hopper;

[0010] The pressing mechanism comprises a pressing head and a pressing driving element; the pressing head has a pressing plane parallel to the bottom of the feeding hopper on the side close to the shearing area; the pressing driving element drives the pressing head to move up and down relative to the bottom of the feeding hopper;

[0011] The shearing mechanism comprises an upper knife holder, a shearing driving element, an upper shearing blade, a lower knife holder and a lower shearing blade;

[0012] The lower knife holder is arranged on the front part of the bottom of the feeding hopper, and the shearing side of the lower knife holder is provided with a detachable lower shearing blade;

[0013] An upper knife holder is arranged above the outer side of the lower knife holder and can move up and down relative to the lower knife holder; the shearing side of the upper knife holder is provided with a detachable upper shearing blade; the shearing driving element is connected to the upper knife holder and drives the upper knife holder to move up and down relative to the lower knife holder;

[0014] The upper shearing blade cooperates with the lower shearing blade, and the shearing edges of the upper shearing blade and the lower shearing blade are engaged.

[0015] As a further improvement of the utility model, the upper surface of the lower knife holder and the lower shearing blade forms a material receiving platform for the material to be sheared;

[0016] The material receiving platform is flush with the bottom of the feeding hopper;

[0017] A pressing plane is arranged above the material receiving platform, and a pressing and fixing area for the material to be sheared is formed between the material receiving platform and the pressing plane.

[0018] As a further improvement of the utility model, the inclination angle of the bottom of the feeding hopper relative to the horizontal plane is α;

[0019] The inclination angle of the up-down movement direction of the pressing head and the up-down movement direction of the upper knife holder relative to the vertical plane is α;

[0020] 15°≤α≤35°.

[0021] As a further improvement of the utility model, a pushing mechanism is arranged in the feeding hopper;

[0022] The pushing mechanism is arranged at the bottom of the feeding hopper, and the pushing mechanism comprises a feeding frame and a pushing driving element;

[0023] The feeding frame is slidingly arranged at the bottom of the feeding hopper, and the pushing driving element is connected to the feeding frame and the frame;

[0024] The pushing driving element drives the feeding frame to perform telescopic movement along the bottom of the feeding hopper.

[0025] Further, the feeding frame is a stepped plate, and has a pushing surface facing the shearing area.

[0026] As a further improvement of the present application, a material blocking mechanism is arranged in the discharging area.

[0027] The material blocking mechanism comprises a blocking plate and a blocking driving element.

[0028] The blocking plate is driven by the blocking driving element to be blocked in front of the shearing area or away from the shearing area.

[0029] Further, an end of the blocking plate is provided with a material receiving plate.

[0030] The upper part of the blocking plate is hinged above the discharging area of the frame through a blocking hinge shaft.

[0031] The blocking driving element drives the blocking plate to swing around the blocking hinge shaft, so that the lower part of the blocking plate and the material receiving plate are close to or away from the shearing area.

[0032] As a further improvement of the present application, a side pressing mechanism is arranged at the lower part of the feeding hopper.

[0033] The side pressing mechanism is arranged at both sides of the lower part of the feeding hopper, and comprises a side pressing head and a side pressing driving element.

[0034] The side pressing driving element is connected with the side pressing head and the frame.

[0035] The side pressing head is driven by the side pressing driving element to move towards the inside of the feeding hopper.

[0036] Further, the side pressing head is a swing pressing head, and the front end of the side pressing head is hinged to the inside of the front part of the feeding hopper through a side pressing hinge shaft.

[0037] The side pressing head has a guide pressing surface and a material blocking arc surface; the guide pressing surface is located in the feeding hopper.

[0038] When the side pressing driving element drives the side pressing head to move outward and stabilize, the guide pressing surface is inclined outward to form a horn mouth in the front part of the feeding hopper for guiding the material inward.

[0039] When the side pressing driving element drives the side pressing head to move inward, the guide pressing surface swings inward to concentrate the material between the two guide pressing surfaces; the material blocking arc surface gradually enters the feeding hopper to block the material at the rear side.

[0040] As a further improvement of the present application, a stepped pressing head is arranged at the side away from the shearing area of the pressing head.

[0041] The stepped pressing head has a material blocking surface and a pre-pressing surface.

[0042] The inclined shearing machine of the utility model, during working, adopts the following steps of cyclic action:

[0043] Step 1, feeding; at this time, the pressing head of the pressing mechanism is raised, the upper cutter seat of the shearing mechanism is raised, the side pressing head of the side pressing mechanism swings outward, the front part of the feeding hopper forms a horn guide opening, the feeding frame of the pushing mechanism is preferably extended, and the blocking plate of the blocking mechanism is lowered and approaches the shearing area; the external grabbing mechanism puts the material to be sheared into the feeding hopper, the material slides downward under the action of gravity, part of the material is guided by the horn guide opening, passes through the shearing area and is blocked by the blocking plate;

[0044] Step 2, feeding; the pushing mechanism moves to make the feeding frame reciprocate and drive more material to pass through the shearing area downward; meanwhile, the side pressing head of the side pressing mechanism swings inward to gather the material in the middle to make more material pass through the shearing area;

[0045] Step 3, pressing and shearing; finally, the pressing mechanism and the shearing mechanism move, the pressing head is lowered first to press the material in the shearing area on the lower cutter seat, then the upper cutter seat is driven to shear downward, the upper shearing blade and the lower shearing blade are engaged to cut the material passing through the shearing area and beyond the lower shearing blade;

[0046] The blocking plate of the blocking mechanism can be raised after the pressing head is pressed downward or the material is cut by the lower cutter seat, so that the cut material is conveniently discharged into the discharge area.

[0047] After shearing, the upper cutter seat can be raised for resetting.

[0048] Step 4, continue feeding; after discharging, the blocking plate of the blocking mechanism is lowered to approach the shearing area and close the discharge area; then, the pressing head of the pressing mechanism is raised to release the pre-compressed material and slide into the shearing area;

[0049] The external grabbing mechanism continues to put the material to be sheared into the feeding hopper.

[0050] Then, steps 2 and 3 are repeated to complete feeding, pressing, shearing and discharging.

[0051] The inclined shearing machine has an inclined feeding hopper, so that an open hopper bin can be adapted to materials of various lengths; meanwhile, the gravity of the material can be utilized to realize feeding; in combination with the specially designed pushing mechanism, side pressing mechanism, blocking mechanism and the pressing mechanism with a stepped pressing head, the material can be controlled to be put in and compressed continuously, finally cut by the shearing mechanism to obtain qualified sheared material blocks, and the shearing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0052] Figure 1 It is the whole structure schematic diagram of the inclined shearing machine of the utility model;

[0053] Figure 2 It is the whole internal structure schematic diagram of the inclined shearing machine of the utility model;

[0054] Figure 3 It is Figure 2 The local amplification of Figure 1 ;

[0055] Figure 4 It is Figure 2 The local amplification of Figure 2 ;

[0056] Figure 5 It is the front view of the inclined shearing machine of the utility model;

[0057] Figure 6 It is the local side view of the inclined shearing machine of the utility model;

[0058] Figure 7 It is Figure 6 The sectional view of the cutting direction in

[0059] Figure 8 It is the plan view of the inclined shearing machine of the utility model;

[0060] Figure 9 It is the structure schematic diagram of the inclined shearing machine and tracked walking mechanism combination of the utility model. DETAILED DESCRIPTION

[0061] The specific embodiment of the utility model is further detailed in combination with the drawings.

[0062] As Figure 1 Indicated, it is the whole structure schematic diagram of the inclined shearing machine of the utility model, further can refer to Figure 2 , and Figure 3 , Figure 4 , Figure 5 The inclined shearing machine of the utility model, relative to the conventional gantry shearing machine, the improvement is in whole inclination setting, especially make the feed hopper upwardly inclined, so that the end of hopper can extend outward, it is convenient for long material to enter, and can utilize the gravity of material, make the material slide down, realize feeding.

[0063] The inclined shearing machine of the utility model, including body 1, the body 1 is formed by rack 11, the rack 11 is equipped with the inclined feed hopper 12, the front end of feed hopper 12 is equipped with shearing zone 13, and shearing zone 13 is equipped with discharge area 14 outside.

[0064] Preferably, a pushing mechanism 2 is provided in the feeding hopper 12; a pressing mechanism 3 is provided at the front of the feeding hopper 12 and at the rear of the shearing zone 13; a shearing mechanism 4 is provided in the shearing zone 13; and a blocking mechanism 6 is preferably provided in the discharge zone 14.

[0065] like Figure 4 As shown, the feeding mechanism 2 is located at the bottom of the feeding hopper 12 and can extend and retract along the inclined direction of the feeding hopper 12. The inclined angle of the feeding hopper 12 is α relative to the horizontal plane, 15°≤α≤35°. This angle setting can ensure that the feeding hopper 12 has a certain length and that the tail can tilt upwards, exceeding the height direction of the frame 11, thereby forming an open feeding space to facilitate the input of long materials.

[0066] The feeding mechanism 2 includes a feeding frame 21 and a feeding drive element 22. The feeding frame 21 forms the bottom of the feeding hopper 12, so the tilt angle of the feeding frame 21 is angle α. The feeding drive element 22 is preferably a hydraulic cylinder, which is tilted at an angle α relative to the horizontal plane. The piston rod of the cylinder moves back and forth, which drives the feeding frame 21 to move back and forth.

[0067] Furthermore, the feeding rack 21 is a stepped plate with a pushing surface 211 facing the shearing zone 13. Preferably, there are multiple pushing surfaces 211, which are inclined downwards and form an acute angle with respect to the overall inclination direction of the feeding rack 21. Thus, when the weight of the material being sheared is insufficient to allow it to slide down automatically in the feed hopper 12, the telescopic movement of the feeding rack 21 will not only use the friction between the planes to push the material downwards, but also use the pushing surface 211 to catch the protrusion of the material and push it downwards to achieve feeding. When the feeding rack 21 moves upwards, because the pushing surface 211 is inclined downwards, it will not catch the material and bring it back.

[0068] The pressing mechanism 3 and the shearing mechanism 4 are preferably perpendicular to the pushing mechanism 2, and are therefore also inclined at an angle α relative to the vertical direction.

[0069] The pressing mechanism 3 comprises a pressing head 31 and a pressing driving element 32. The pressing head 31 has a pressing plane 311 parallel to the feeding frame 21 on the side close to the shearing area 13, which can reliably press the material to be sheared, so as to be sheared by the shearing mechanism 4. Meanwhile, the pressing head 31 is different from the conventional pressing head, and preferably has a stepped pressing head behind the pressing plane 311, which has a material blocking surface 312 perpendicular or approximately perpendicular to the feeding frame 21 and a pre-pressing surface 313 parallel or approximately parallel to the feeding frame 21. During the operation of the pressing mechanism 3, the pressing head 31 moves up and down as a whole, that is, the pressing plane 311 can reliably press the material to be sheared on the lower knife seat, which is convenient for shearing. Meanwhile, the material blocking surface 312 can block the subsequent material, and the pre-pressing surface 313 can gradually pre-compress the material, so that the volume of the material is continuously reduced and concentrated, and a smaller material section enters the shearing area 13. The pressing driving element 32 is preferably a hydraulic cylinder, which is arranged at an angle α relative to the vertical plane. The piston rod of the cylinder extends and retracts, thereby driving the pressing head 31 to move up and down and realize the pressing operation.

[0070] The end of the pre-pressing surface 313 is provided with a material blocking plate 314, which moves with the pressing head 31. When the material is added to the feeding hopper 12, the pressing head 31 is generally in the raised state, at which time the material blocking plate 314 is above the feeding hopper 12, and limits the end of the material entering the feeding hopper 12, so as to prevent the material from exceeding the horizontal plane of the feeding hopper 12 and causing the material to fail to smoothly enter the feeding hopper 12.

[0071] The shearing mechanism 4 is similar to the conventional gantry shears, and has an upper knife seat 41 and a shearing driving element 42. The shearing side of the upper knife seat 41 is provided with a detachable upper shearing blade 43. Correspondingly, the front part of the bottom of the feeding hopper 12 is provided with a lower knife seat 44, and the shearing side of the lower knife seat 44 is provided with a detachable lower shearing blade 45. The upper shearing blade 43 cooperates with the lower shearing blade 45, the shearing edges are engaged, and the shearing operation is realized. The shearing driving element 42 is preferably a hydraulic cylinder, which is arranged at an angle α relative to the vertical plane. The piston rod of the cylinder extends and retracts, thereby driving the upper knife seat 41 to move up and down, and the movement direction of the upper knife seat 41 is inclined at an angle α relative to the vertical plane.

[0072] The upper surface of the lower knife seat 44 and the lower shearing blade 45 is a material supporting platform for the material to be sheared, which is flush with the bottom of the feeding hopper 12, so as to facilitate the material to slide in. Meanwhile, the material supporting platform is preferably parallel to the pressing plane 311, and the space between them is the pressing and fixing area of the material to be sheared.

[0073] The inclined shearing machine has the feeding hopper 12 which is integrally arranged in an inclined mode, so that the sheared material will automatically fall down during the shearing process of the shearing mechanism 4; after the shearing is completed, the shearing mechanism 4 is reset, that is, the upper tool holder 41 is lifted, and the material pressing mechanism 3 also needs to be reset; once the material pressing head 31 is lifted, the subsequent material to be sheared in the feeding hopper 12 will automatically slide down under the action of gravity, so that the blocking mechanism 6 is further arranged to control the sliding distance of the subsequent material to be sheared, thereby controlling the length of the material to be sheared, so that the size of the sheared material meets the requirements; if the blocking mechanism 6 is not arranged, the subsequent material to be sheared will automatically slide down under the action of gravity, the size is not controlled, and effective shearing cannot be performed.

[0074] The blocking mechanism 6 comprises a blocking plate 61 and a blocking driving element 62; the blocking plate 61 can be blocked in front of the shearing area 13 or away from the shearing area 13 under the driving of the blocking driving element 62, so as to facilitate the falling of the material; the end of the blocking plate 61 is provided with a material bearing plate 611, which can block or support the material to be sheared when the blocking plate 61 moves to be close to the shearing area 13.

[0075] In the embodiment, the upper portion of the blocking plate 61 is hinged above the discharging area 14 of the rack 11 through a blocking hinge shaft 63; the blocking driving element 62 is preferably a hydraulic cylinder, and the extension and retraction movement of the piston rod of the hydraulic cylinder will drive the blocking plate 61 to swing around the blocking hinge shaft 63, so that the lower portion of the blocking plate 61 and the material bearing plate 611 are close to the shearing area 13 to support and block the material, or are away from the shearing area 13 to make the discharging area 14 and the shearing area 13 communicate with each other, thereby facilitating the falling of the material.

[0076] As a further improvement of the utility model, as shown in Figure 6 、 Figure 7 The lower portion of the feeding hopper 12 is further provided with a side pressing mechanism 5, the side pressing mechanism 5 is arranged on both sides of the lower portion of the feeding hopper 12, and comprises a side pressing head 51 and a side pressing driving element 52; the side pressing head 51 can move towards the inside of the feeding hopper 12 under the driving of the side pressing driving element 52, so as to gather the material at the lower portion of the feeding hopper 12 from both sides to the middle, thereby facilitating shearing.

[0077] Further, the side pressing head 51 is a swing pressing head, the front end of the side pressing head 51 is hinged to the front inner side of the feeding hopper 12 through a side pressing hinge shaft 53 at a position close to the middle; the side pressing head 51 has a guide pressing surface 511 and a material blocking arc surface 512, and the guide pressing surface 511 is located in the feeding hopper 12; the side pressing driving element 52 is preferably a hydraulic cylinder, and the extension and retraction movement of the piston rod of the hydraulic cylinder will drive the side pressing head 51 to swing around the side pressing hinge shaft 53; when the side pressing driving element 52 drives the side pressing head 51 to move outward and is stabilized, the guide pressing surface 511 is arranged in an inclined manner outward Figure 7When the side pressure driving element 52 drives the side pressure head 51 to move inward, the guide pressure surface 511 swings inward to further concentrate the material between the guide pressure surfaces 511 on both sides to the middle, and at this time, the material blocking arc surface 512 gradually enters the feeding hopper 12 to block the material on the rear side.

[0078] The inclined shearing machine of the utility model, when working, basically adopts the following steps of cyclic action:

[0079] Step 1, feeding; at this time, the pressure head 31 of the material pressing mechanism 3 is raised, the upper cutter seat 41 of the shearing mechanism 4 is raised, the side pressure head 51 of the side pressure mechanism 5 swings outward, the front part of the feeding hopper 12 forms a horn guide material opening, the feeding frame 21 of the pushing mechanism 2 is preferably extended, and the material blocking plate 61 of the material blocking mechanism 6 is lowered to be close to the shearing area 13; the external material grabbing mechanism throws the material to be sheared into the feeding hopper 12, the material slides downward under the action of gravity, part of the material is guided by the horn guide material opening, passes through the shearing area 13 and is blocked by the material blocking plate 61;

[0080] Step 2, feeding; the pushing mechanism 2 moves to make the feeding frame 21 reciprocate to drive more material downward to pass through the shearing area 13 and finally be blocked by the material blocking plate 61; at the same time, the side pressure head 51 of the side pressure mechanism 5 swings inward to gather the material to the middle to make more material pass through the shearing area 13;

[0081] Step 3, material pressing and shearing; finally, the material pressing mechanism 3 and the shearing mechanism 4 move, the pressure head 31 first descends to press the material in the shearing area 13 on the lower cutter seat 44, then the upper cutter seat 41 is driven downward to shear, the upper shearing blade 43 is engaged with the shearing edge of the lower shearing blade 45 to shear the material passing through the shearing area 13 and beyond the lower shearing blade 45;

[0082] The material blocking plate 61 of the material blocking mechanism 6 is raised after the pressure head 31 is pressed to press the sheared material into the discharging area 14.

[0083] After shearing, the upper cutter seat 41 can be raised to reset.

[0084] Step 4, continue feeding; after discharging, the material blocking plate 61 of the material blocking mechanism 6 is lowered to be close to the shearing area 13 to close the discharging area 14; then, the pressure head 31 of the material pressing mechanism 3 is raised to release the pre-compressed material into the shearing area 13;

[0085] Then, steps 2 and 3 are repeated to complete feeding, material pressing, shearing and discharging.

[0086] The external material grabbing mechanism adds material in time according to the material amount in the feeding hopper 12, so that the shearing can be continuously carried out.

[0087] The inclined shearing machine of the utility model, as shown in the drawings, can also be combined with the crawler walking mechanism 8 to form a self-walking shearing machine, which can move independently in a waste metal recycling yard and carry out material shearing treatment. Figure 9

[0088] When the self-walking shearing machine is formed, the driving and control components of each driving component in the inclined shearing machine need to move together, so the chamber of the rack 11 behind the feeding hopper 12 can be used to form an electric control cavity 15 for installing power system, lubrication system, control system and other components.

[0089] The inclined shearing machine of the utility model is preferably detachable with the crawler walking mechanism 8, that is, the two can be connected together to form a self-walking shearing machine for material shearing operation, and can also be easily separated for transportation and transfer operation.

[0090] Although the inclined shearing machine of the utility model has been designed to be lightweight for convenient transportation, the overall weight is still heavy, and when placed on a transport flat car or a crawler walking mechanism 8, a heavy crane may be needed, which undoubtedly increases the hoisting cost; therefore, at least four liftable legs 7 are arranged in the inclined shearing machine of the utility model for occasions that need to be frequently disassembled and hoisted.

[0091] Preferably, the liftable legs 7 are hinged to the rack 11; when the inclined shearing machine of the utility model is transported or used, the liftable legs 7 are rotated and stored in the rack 11, thereby reducing the volume and not producing exposed objects that affect transportation and use safety; when the inclined shearing machine of the utility model needs to be disassembled, the liftable legs 7 are rotated out of the rack 11, and then the telescopic part of the liftable legs 7 is extended downward to lift the body of the inclined shearing machine of the utility model to a suspended state, thereby facilitating the transport flat car or the crawler walking mechanism 8 to enter and exit from below.

[0092] Of course, if there is no crawler walking mechanism 8, the inclined shearing machine of the utility model can also be lifted and fixed at a working site by the liftable legs 7, or the inclined shearing machine is independently lifted and fixed, and then material shearing operation is carried out.

[0093] ​The preferred embodiments of the utility model have been specifically explained above, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A slanting shearing machine, comprising a frame, a feeding hopper at the middle rear part of the frame, a shearing area at the front end of the feeding hopper, and a discharging area outside the front side of the shearing area. characterized in that The bottom of the feeding hopper is slanted relative to the horizontal plane; the bottom of the feeding hopper extends upward and outward, forming an open slanting feeding hopper. The shearing area is provided with a pressing mechanism and a shearing mechanism; the pressing mechanism and the shearing mechanism are arranged side by side and vertically relative to the bottom of the feeding hopper. The pressing mechanism comprises a pressing head and a pressing driving element; the pressing head has a pressing plane parallel to the bottom of the feeding hopper at the side close to the shearing area. The pressing driving element drives the pressing head to move up and down relative to the bottom of the feeding hopper. The shearing mechanism comprises an upper knife holder, a shearing driving element, an upper shearing blade, a lower knife holder, and a lower shearing blade. The lower knife holder is arranged at the front part of the bottom of the feeding hopper, and the shearing side of the lower knife holder is provided with a detachable lower shearing blade. The upper knife holder is arranged above the outside of the lower knife holder and can move up and down relative to the lower knife holder; the upper knife holder is connected with the shearing driving element, which drives the upper knife holder to move up and down relative to the lower knife holder; the shearing side of the upper knife holder is provided with a detachable upper shearing blade. The upper shearing blade cooperates with the lower shearing blade, and the shearing edges of the upper shearing blade and the lower shearing blade are engaged.

2. The tilt shearing machine according to claim 1, wherein The upper surface of the lower knife holder and the lower shearing blade forms a material receiving platform for materials to be sheared. The material receiving platform is flush with the bottom of the feeding hopper. The upper surface of the material receiving platform is provided with a pressing plane, and the material receiving platform and the pressing plane form a pressing and fixing area for materials to be sheared.

3. The tilt shearing machine according to claim 1, wherein The slanting angle of the bottom of the feeding hopper relative to the horizontal plane is α. The up-and-down movement direction of the pressing head and the up-and-down movement direction of the upper knife holder relative to the vertical plane are slanted at an angle of α. 15°≤α≤35°。 4. The tilt shearing machine of claim 1, wherein, A pushing mechanism is arranged in the feeding hopper. The pushing mechanism is arranged at the bottom of the feeding hopper and comprises a feeding frame and a pushing driving element. The feeding frame is slidingly arranged at the bottom of the feeding hopper, and the pushing driving element is connected with the feeding frame and the frame. The pushing driving element drives the feeding frame to extend and retract along the bottom of the feeding hopper.

5. The tilt shearing machine of claim 4, wherein, The feeding frame is a stepped plate and has a pushing surface facing the shearing area.

6. The tilt shearing machine of claim 1, wherein, A material blocking mechanism is arranged in the discharging area. The material blocking mechanism comprises a blocking plate and a blocking driving element. The blocking plate can be blocked in front of the shearing area or away from the shearing area under the drive of the blocking driving element.

7. The tilt shearing machine according to claim 6, wherein The end of the blocking plate is provided with a material receiving plate. The upper part of the blocking plate is hinged above the discharging area of the frame through a blocking hinge shaft. The blocking driving element drives the blocking plate to swing around the blocking hinge shaft, so that the lower part of the blocking plate and the material receiving plate are close to or away from the shearing area.

8. The tilt shearing machine of claim 1, wherein, A side pressing mechanism is arranged at the lower part of the feeding hopper. The side pressing mechanism is arranged at both sides of the lower part of the feeding hopper and comprises a side pressing head and a side pressing driving element. The side pressing driving element is connected with the side pressing head and the frame. The side pressing head can move into the feeding hopper under the drive of the side pressing driving element.

9. The tilt shearing machine of claim 8, wherein, The side pressing head is a swing pressing head, and the front end of the side pressing head is hinged to the inside of the front part of the feeding hopper through a side pressing hinge shaft at a position close to the middle. The side pressing head has a guide pressing surface and a material blocking arc surface; the guide pressing surface is located in the feeding hopper. When the side pressure driving element drives the side pressure head to move outward and stabilize, the guide pressure surface is arranged outwardly inclined, and a horn is formed at the front of the feeding hopper to guide the material inwardly concentrated; When the side pressure driving element drives the side pressure head to move inward, the guide pressure surface swings inwardly to concentrate the material between the two guide pressure surfaces; the material blocking arc surface gradually enters the feeding hopper to block the material at the rear side.

10. The tilt shearing machine of claim 1, wherein, The pressure head is provided with a stepped pressure head away from the shearing area; The stepped pressure head has a material blocking surface and a pre-pressing surface.

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