Shearing machine convenient to disassemble, assemble and transport

Abstract

The shearing machine convenient to disassemble, assemble and transport is provided with 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. 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 vertically arranged relative to the bottom of the feeding hopper; liftable supporting legs are mounted on the rack; more than four liftable supporting legs are arranged on the periphery of the machine body of the shearing machine; and a left liftable supporting leg and a right liftable supporting leg are arranged on the rack on the two sides of the shearing mechanism. Four liftable supporting legs are arranged in a rack of the shearing machine; the shearing machine is lifted and kept in a suspended state through the lifting supporting legs, so that a transportation flat car or a crawler walking mechanism can conveniently enter and exit from the lower portion, hoisting equipment can be omitted, the shearing machine can be assembled and disassembled on the transportation flat car or assembled and disassembled from the crawler walking mechanism, the hoisting cost of the shearing machine is completely omitted, and the transferring and transporting cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shearing machine convenient to disassemble, assemble and transfer and transport, and belongs to the field of shearing mechanical equipment. BACKGROUND

[0002] The method for processing waste metals on a waste metal recycling site and the shearing press or press or shearing machine for the method disclosed in Chinese patent publication No. CN108602296A proposes that for large waste metal recycling yards, the site is large and may concentrate feeding and then stacking. When subsequent waste material needs to be sheared and crushed, if the shearing machine is fixed, a lot of time is needed for material handling. At this time, a movable shearing machine needs to be applied to cooperate with a steel grabbing machine to perform self-moving shearing operation on the site.

[0003] After the shearing machine is connected with the underlying tracked mobile platform, the weight is very large and is not convenient for transportation, resulting in difficult transfer and transportation. Therefore, the shearing machine and the tracked walking mechanism are generally produced, manufactured and transported separately, and then assembled at the waste metal recycling yard where they are needed. The tracked walking mechanism has a moving performance, so it can be independently driven onto a flatbed trailer or driven off the flatbed trailer and driven to a designated position. However, the shearing machine generally does not have an active moving ability, and needs to be located on the flatbed trailer during transportation and installed on the tracked walking mechanism during use, which requires the use of large lifting equipment for hoisting.

[0004] For example, the shearing machine and the tracked walking mechanism often need to be transferred and transported, and large lifting equipment needs to be rented during disassembly and assembly to pay hoisting fees, resulting in high transfer costs.

[0005] Therefore, in view of the above situation, it is necessary to improve the structure of such a shearing machine to facilitate disassembly and transportation and reduce the use cost. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a shearing machine convenient to disassemble and transport, which integrates liftable supporting legs in the rack of the shearing machine, so that the shearing machine can be lifted on site, the flatbed trailer can be conveniently driven in and out for loading and transportation, and the tracked walking mechanism can be conveniently driven in and out for disassembly, thereby reducing the use cost of the shearing machine.

[0007] To achieve the above utility model purposes, the utility model provides a shearing machine convenient to disassemble and transport, which is provided with a rack, the middle and rear part of the rack is a feeding hopper, the front end of the feeding hopper is provided with a shearing zone, the front side of the shearing zone is externally provided with a discharging zone;

[0008] A pressing mechanism and a shearing mechanism are arranged in the shearing zone; the pressing mechanism and the shearing mechanism are arranged side by side and vertically arranged relative to the bottom of the feeding hopper;

[0009] The lifting legs are installed on the frame.

[0010] As a further improvement of the present application, the lifting legs are more than four, and are located around the body of the shearing machine.

[0011] The frame on both sides of the shearing mechanism is provided with two lifting legs.

[0012] As a further improvement of the present application, the lifting legs are hinged to the frame.

[0013] The lifting leg comprises a fixed cylinder, a leg lifting driving element, a supporting leg, a swing arm, and a leg hinge joint.

[0014] The fixed cylinder is provided with the leg lifting driving element, and the output end of the leg lifting driving element is connected with the supporting leg.

[0015] The supporting leg can be hidden in the fixed cylinder or extended downward.

[0016] One side of the fixed cylinder is provided with the swing arm, and the end of the swing arm is connected with the frame through the leg hinge joint.

[0017] Further, the swing arm of the lifting leg is a horizontally extendable swing arm, which comprises a swing arm cylinder and a swing arm extension body.

[0018] The swing arm cylinder is matched with the swing arm extension body, and the swing arm extension body can be horizontally extended relative to the swing arm cylinder.

[0019] As a further improvement of the present application, the pressing mechanism comprises a pressing head and a pressing driving element; the pressing head is close to the shearing area side and has a pressing plane parallel to the bottom of the feeding hopper; and the pressing driving element drives the pressing head to move up and down relative to the bottom of the feeding hopper.

[0020] 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.

[0021] The front part of the bottom of the feeding hopper is provided with the lower knife holder, and the shearing side of the lower knife holder is provided with a detachable lower shearing blade.

[0022] The upper side of the outer side of the lower knife holder is provided with an upper knife holder which can move up and down relative to the upper knife holder, and the upper knife holder is connected with the shearing driving element; and the shearing side of the upper knife holder is provided with a detachable upper shearing blade.

[0023] The upper shearing blade is matched with the lower shearing blade, and the shearing edges of the upper shearing blade and the lower shearing blade are engaged.

[0024] Further, the pressing head is provided with a stepped pressing head behind the pressing plane.

[0025] The stepped pressing head has a material blocking surface and a pre-pressing surface.

[0026] As a further improvement of the utility model, the bottom of the feeding hopper is inclined relative to the horizontal plane; the bottom of the feeding hopper extends upward and outward, forming an open inclined feeding hopper.

[0027] The inclination angle of the bottom of the feeding hopper relative to the horizontal plane is α;

[0028] The inclination angle of the up-down movement direction of the pressing head and the up-down movement direction of the upper knife seat relative to the vertical plane is α;

[0029] 15°≤α≤35°.

[0030] As a further improvement of the utility model, a pushing mechanism is arranged in the feeding hopper;

[0031] The pushing mechanism is located at the bottom of the feeding hopper, and comprises a feeding frame and a pushing driving element;

[0032] 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 rack;

[0033] The pushing driving element drives the feeding frame to perform telescopic movement along the bottom of the feeding hopper.

[0034] Further, the feeding frame is a stepped plate, and has a pushing surface facing the shearing zone.

[0035] As a further improvement of the utility model, a blocking mechanism is arranged in the discharging area;

[0036] The blocking mechanism comprises a blocking plate and a blocking driving element;

[0037] The blocking plate can be blocked in front of the shearing zone or away from the shearing zone under the driving of the blocking driving element.

[0038] Further, the end of the blocking plate is provided with a material receiving plate;

[0039] The upper part of the blocking plate is hingedly connected above the discharging area of the rack through a blocking hinge shaft;

[0040] 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 zone.

[0041] As a further improvement of the utility model, a side pressing mechanism is arranged at the lower part of the feeding hopper;

[0042] 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;

[0043] The side pressing driving element is connected with the side pressing head and the rack;

[0044] The side pressing head is driven by the side pressing driving element to move towards the inside of the feeding hopper.

[0045] 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 and is located at the middle part;

[0046] 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;

[0047] When the side pressing head is driven by the side pressing driving element to move outward and is stabilized, the guide pressing surface is outwardly inclined to form a horn mouth in the front part of the feeding hopper for guiding the material inwardly;

[0048] When the side pressing head is driven by the side pressing driving element to move inward, the guide pressing surface swings inwardly to concentrate the material between the two guide pressing surfaces; and the material blocking arc surface gradually enters the feeding hopper to block the material at the rear side.

[0049] The shearing machine convenient to disassemble and transport is characterized in that four lifting legs are arranged in the rack of the shearing machine and are located around the shearing machine; the shearing machine is lifted by the lifting legs and is kept in a suspended state, so that a transport flat car or a caterpillar walking mechanism can conveniently enter and exit from below, the hoisting equipment is avoided, the shearing machine is disassembled and assembled on the transport flat car or the caterpillar walking mechanism, the hoisting cost of the shearing machine is completely avoided, and the transfer and transportation cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0050] Figure 1 It is a schematic diagram of the overall structure of the shearing machine convenient to disassemble and transport of the utility model;

[0051] Figure 2 It is a schematic diagram of the installation of the shearing machine convenient to disassemble and transport of the utility model on the caterpillar walking mechanism;

[0052] Figure 3 It is a schematic diagram of the overall internal structure of the shearing machine convenient to disassemble and transport of the utility model;

[0053] Figure 4 It is Figure 3 a local enlargement Figure 1 ;

[0054] Figure 5 It is Figure 3 a local enlargement Figure 2 ;

[0055] Figure 6 It is a front view of the shearing machine convenient to disassemble and transport of the utility model;

[0056] Figure 7 It is a local side view of the shearing machine convenient to disassemble and transport of the utility model;

[0057] Figure 8 for Figure 7 A sectional view along the cutting direction in the image;

[0058] Figure 9 This is a schematic diagram of the installation of the adjustable outriggers;

[0059] Figure 10 This is a schematic diagram of the internal structure of the liftable outrigger.

[0060] Figure 11 This is a top view of the shearing machine of this utility model, which is easy to disassemble and transport.

[0061] Figure 12 for Figure 11 A magnified view of a portion of the image;

[0062] Figure 13 For ease of disassembly, assembly, and transportation, the shearing machine is positioned on the tracked walking mechanism. Figure 1 ;

[0063] Figure 14 For ease of disassembly, assembly, and transportation, the shearing machine is positioned on the tracked walking mechanism. Figure 2 ;

[0064] Figure 15 A side view of the shearing machine on the tracked walking mechanism for easy disassembly and transportation. Detailed Implementation

[0065] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0066] The overall structure of this utility model of a shearing machine that is easy to disassemble and transport, such as... Figure 1 As shown, the shearing machine includes a body 1; furthermore, as Figure 2 As shown, the shearing machine body 1 can be detachably combined with the crawler walking mechanism 8 to form a self-propelled shearing machine, which can move autonomously within the scrap metal recycling yard to perform material shearing. When it is necessary to transfer and transport, the shearing machine body 1 can be removed from the crawler walking mechanism 8 to form two independent parts for easy separate transportation.

[0067] The important improvement of this utility model is that liftable support legs 7 are installed on the frame 11. There are at least four liftable support legs 7, located around the body 1 of the shearing machine. In particular, two liftable support legs 7 are provided at the front end of the shearing machine (where the shearing mechanism 4 is located, and the hydraulic cylinder and other mechanisms are more concentrated and heavier).

[0068] Therefore, when the shearing machine of this utility model needs to be transported or disassembled from the tracked walking mechanism 8, the liftable outrigger 7 can be extended to raise the shearing machine and keep it suspended in the air, so as to facilitate the transport flatbed truck or the tracked walking mechanism 8 to enter and exit from below.

[0069] Because the shearing machine of this utility model needs to be easy to transfer and transport, its overall structure has been miniaturized and lightweighted; for example... Figure 3 , Figure 4 , Figure 5 As shown, the shearing machine body 1 is composed of a frame 11. An inclined feed hopper 12 is provided inside the frame 11. A shearing zone 13 is provided at the front end of the feed hopper 12, and a discharge zone 14 is provided outside the shearing zone 13. An electrical control cavity 15 is also provided at the rear of the frame 11 for installing components such as the power system, lubrication system, and control system.

[0070] The bottom of the feed hopper 12 of the shearing host of this utility model is inclined, so that the rear end of the feed hopper 12 is inclined upward and outward to form an open hopper, which can accommodate materials of various lengths; thus, the feeding needs of long materials can be met by using the machine body 1 with limited length.

[0071] like Figure 3 As shown, a pushing mechanism 2 is preferably 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.

[0072] like Figure 5 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.

[0073] 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.

[0074] 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.

[0075] 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.

[0076] like Figure 4 As shown, the pressing mechanism 3 includes a pressing head 31 and a pressing drive element 32. The pressing head 31, near the shearing zone 13, has a pressing plane 311 parallel to the feeding frame 21, which reliably presses the material to be sheared for shearing by the shearing mechanism 4. Unlike conventional pressing heads, the pressing head 31 preferably has a stepped pressing head behind the pressing plane 311. This stepped pressing head has a stop surface 312 perpendicular or approximately perpendicular to the feeding frame 21, and a pre-compression surface 313 parallel or approximately parallel to the feeding frame 21. During operation, the pressing head 31 moves up and down, reliably pressing the material to be sheared onto the lower blade holder using the pressing plane 311 for easy shearing. Simultaneously, the stop surface 312 blocks subsequent material, and the pre-compression surface 313 performs step-by-step pre-compression, continuously reducing and concentrating the material's volume to form a smaller cross-section that enters the shearing zone 13. The pressing drive element 32 is preferably a hydraulic cylinder. The cylinder is inclined at an angle α relative to the vertical plane. The piston rod of the cylinder moves back and forth, which drives the pressing head 31 to move up and down to realize the pressing operation.

[0077] like Figure 4 As shown, the shearing mechanism 4, similar to a conventional gantry shear, has an upper blade holder 41 and a shearing drive element 42. The shearing side of the upper blade holder 41 is equipped with a detachable upper shearing blade 43. Correspondingly, a lower blade holder 44 is located at the front of the bottom of the feed hopper 12, and the shearing side of the lower blade holder 44 is equipped with a detachable lower shearing blade 45. The upper shearing blade 43 and the lower shearing blade 45 cooperate, with their shearing blades meshing to achieve the shearing operation. The shearing drive element 42 is preferably a hydraulic cylinder, which is inclined at an angle α relative to the vertical plane. The piston rod of the cylinder extends and retracts, thus driving the upper blade holder 41 to move up and down. The direction of movement of the upper blade holder 41 is inclined at an angle α relative to the vertical plane.

[0078] The upper surfaces of the lower blade holder 44 and the lower shearing blade 45 serve as a material receiving platform for the material to be sheared, and are flush with the bottom of the feed hopper 12 to facilitate material sliding in. At the same time, the material receiving platform is preferably parallel to the pressing plane 311, and the area between the two is the pressing and fixing area for the material to be sheared.

[0079] Because the shearing machine of this utility model is easy to disassemble and transport, the feeding hopper 12 is tilted as a whole. Therefore, during the shearing process of the shearing mechanism 4, the cut material will also fall automatically. After the shearing is completed, the shearing mechanism 4 resets. That is, after the upper blade holder 41 is raised, the pressing mechanism 3 also needs to be reset. Once the pressing head 31 is raised, the subsequent material to be sheared in the feeding hopper 12 will slide down automatically under the action of gravity. Therefore, it is preferable to also set a blocking mechanism 6 to control the sliding distance of the subsequent material to be sheared, thereby controlling the length of the material to be cut, so that the size of the cut material meets the requirements. If the blocking mechanism 6 is not set, the subsequent material to be sheared will slide down automatically under the action of gravity, and the size will be out of control, resulting in the inability to perform effective shearing.

[0080] like Figure 4 As shown, the material blocking mechanism 6 includes a material blocking plate 61 and a material blocking drive element 62. Under the drive of the material blocking drive element 62, the material blocking plate 61 can block in front of the shearing zone 13 or away from the shearing zone 13 to facilitate the material falling. The end of the material blocking plate 61 is provided with a material supporting plate 611. When the material supporting plate 61 moves with the material blocking plate 61 to the vicinity of the shearing zone 13, it can block or support the material to be sheared.

[0081] In this embodiment, the upper part of the baffle plate 61 is hinged to the upper part of the discharge area 14 of the frame 11 via the baffle hinge shaft 63; the baffle drive element 62 is preferably a hydraulic cylinder. The extension and retraction movement of the piston rod of the cylinder will drive the baffle plate 61 to swing around the baffle hinge shaft 63, so that the lower part of the baffle plate 61 and the material receiving plate 611 are close to the shearing area 13 to receive and block the material, or move away from the shearing area 13, so that the discharge area 14 and the shearing area 13 are connected, which facilitates the material to fall.

[0082] As a further improvement to this utility model, such as Figure 7 , Figure 8 As shown, a side pressing mechanism 5 is also provided at the lower part of the feed hopper 12. The side pressing mechanism 5 is located on both sides of the lower part of the feed hopper 12, including a side pressing head 51 and a side pressing drive element 52. Under the drive of the side pressing drive element 52, the side pressing head 51 can move into the interior of the feed hopper 12 to gather the material located at the lower part of the feed hopper 12 from both sides to the middle, which is convenient for shearing.

[0083] Furthermore, the side pressure head 51 is a swinging pressure head. The front end of the side pressure head 51 is hinged to the inner front part of the feed hopper 12, near the middle, via the side pressure hinge shaft 53. The side pressure head 51 has a guide pressing surface 511 and a retaining arc surface 512. The guide pressing surface 511 is located inside the feed hopper 12. The side pressure driving element 52 is preferably a hydraulic cylinder. The extension and retraction of the piston rod of the cylinder will drive the side pressure head 51 to swing around the side pressure hinge shaft 53. When the side pressure driving element 52 drives the side pressure head 51 outward and stabilizes it, the guide pressing surface 511 is tilted outward. Figure 8 As shown by the dashed line, a funnel-shaped opening is formed at the front of the feed hopper 12 to guide the material in the feed hopper 12 towards the center and into the shearing zone 13. At this time, the baffle arc surface 512 is located on the outside of the feed hopper 12. When the side pressure drive element 52 drives the side pressure head 51 inward, the guide pressure surface 511 swings inward, further concentrating the material between the guide pressure surfaces 511 on both sides towards the center. At this time, the baffle arc surface 512 gradually enters the feed hopper 12 and blocks the material on the rear side.

[0084] This utility model discloses a shearing machine that is easy to disassemble and transport. During shearing operations, it generally adopts the following cyclical actions:

[0085] Step 1, feeding; at this time, the pressing head 31 of the pressing mechanism 3 rises, the upper knife seat 41 of the shearing mechanism 4 rises, and the side pressing head 51 of the side pressing mechanism 5 swings outward, forming a horn-shaped guide port at the front of the feeding hopper 12; the feeding frame 21 of the pushing mechanism 2 also preferably extends out; while the baffle plate 61 of the blocking mechanism 6 lowers down, approaching the shearing zone 13; the external gripping mechanism puts the material to be sheared into the feeding hopper 12, and the material slides downward under the action of gravity, and some of the material is guided by the horn-shaped guide port, passes through the shearing zone 13, and is blocked by the baffle plate 61;

[0086] Step 2, feeding; the pushing mechanism 2 moves, causing the feeding frame 21 to reciprocate, driving more material downwards and through the shearing zone 13; at the same time, in coordination with the action of the pushing mechanism 2, the side pressure head 51 of the side pressure mechanism 5 swings inwards, gathering the material towards the center, so that more material can pass through the shearing zone 13.

[0087] Step 3, pressing and shearing; finally, the pressing mechanism 3 and the shearing mechanism 4 are activated. The pressing head 31 descends first to press the material in the shearing zone 13 onto the lower blade holder 44. Then the upper blade holder 41 is driven to shear downwards. The upper shearing blade 43 and the lower shearing blade 45 engage with each other to cut off the material that has passed through the shearing zone 13 and exceeded the lower shearing blade 45.

[0088] The baffle plate 61 of the baffle mechanism 6 can be raised after the pressing head 31 is lowered and pressed, or after the upper knife holder 41 is lowered and the material is cut, so as to facilitate the discharge of the cut material into the discharge area 14.

[0089] After shearing, the upper knife holder 41 can be raised for resetting.

[0090] Step 4, continue feeding; after the discharge is completed, the baffle plate 61 of the baffle mechanism 6 is lowered to approach the shearing area 13 and close the discharge area 14; then, the pressing head 31 of the pressing mechanism 3 is raised to release the pre-compressed material into the shearing area 13.

[0091] The external grabbing mechanism continues to feed the material to be sheared into the feeding hopper 12.

[0092] Then, steps 2 and 3 are repeated, i.e., feeding, pressing, shearing, and discharging are completed.

[0093] Due to the length and width limitations of road transport flat cars, the width and length of the frame 11 are designed to be comparable to the length and width of ordinary flat cars, so as to obtain the largest possible size for the design and installation of functional equipment; however, when the liftable legs 7 support the frame 11 of the shearing machine of the present application for easy disassembly and transportation, the flat car needs to pass between the liftable legs 7 and pass under the frame 11 without obstacles, so the liftable legs 7 need to be foldable within the frame 11. When the liftable legs 7 are needed, they are extended from the frame 11 and lifted on the outside of the frame 11. When road transportation is needed, the liftable legs 7 need to be stored in the frame 11, especially to reduce the width size and not form an ultra-wide structure, which meets the requirements of road transportation.

[0094] As shown in Figure 9 , the liftable legs 7 of the shearing machine of the present application for easy disassembly and transportation are hinged to the frame 11; the liftable legs 7 include a fixed cylinder 71, a leg lifting driving element 72, a support leg 73, a swing arm 74, and a leg hinge joint 75; as further shown in Figure 10 , the fixed cylinder 71 is provided with the leg lifting driving element 72, which is preferably a hydraulic cylinder. The cylinder body of the oil cylinder is preferentially hinged and installed in the fixed cylinder 71 through a hinge shaft 721, and the piston rod 722 of the oil cylinder is connected to the support leg 73. Preferably, the upper part of the support leg 73 is provided with a telescopic cylinder 732, which is telescopically installed in the fixed cylinder 71 to shield and protect the extended part of the piston rod 722 of the oil cylinder; the telescopic movement of the piston rod 722 of the oil cylinder drives the support leg 73 to move up and down, and the support leg 73 can be hidden in the fixed cylinder 71 or extended downward to rest on the ground, supporting the shearing machine of the present application for easy disassembly and transportation at a certain height.

[0095] One side of the fixed cylinder 71 is provided with a swing arm 74, and the end of the swing arm 74 is connected with the rack 11 through a support leg hinged joint 75, so that the fixed cylinder 71 can be swung relative to the rack 11 under the drive of the swing arm 74.

[0096] As shown in Figure 11 , Figure 12 , when the shearing host of the utility model is transported or used, the lifting legs 7 can be rotated and stored in the rack 11, so as to reduce the volume and not produce exposed objects, which affects the transportation and use safety; when the shearing host of the utility model needs to be disassembled, the lifting legs 7 can be rotated out of the rack 11, so that the lifting legs 7 are located on both sides of the rack 11, leaving the space in the length direction of the rack, and then the telescopic part of the lifting legs 7 is extended downward, the body of the shearing host is lifted and kept in a suspended state, so that the transport flat car or the crawler walking mechanism 8 can be conveniently in and out from below.

[0097] Due to the limited width size of the shearing host, when the lifting legs 7 are extended, the distance between the two lifting legs 7 on the sides may not be sufficient for the crawler walking mechanism 8 to directly drive in, as shown in Figure 13 , the crawler belts on both sides of the crawler walking mechanism 8 generally exceed the width of the shearing host, so that a more stable chassis can be obtained to drive the shearing host to move; the crawler walking mechanism 8 is fixed along the length direction of the shearing host.

[0098] At this time, as shown in Figure 14 , the swing arm 74 of the lifting leg 7 is preferably a horizontally telescopic swing arm, which comprises a swing arm cylinder 741 and a swing arm telescopic body 742, and the swing arm cylinder 741 is matched with the swing arm telescopic body 742, so that the swing arm 74 can be extended outward, and then a larger space is obtained between the support legs 73 of the two lifting legs 7 in the width direction, which facilitates the driving in / out of the crawler walking mechanism 8 to the lower side of the shearing machine.

[0099] Alternatively, as shown in Figure 3 , a rotating platform 9 is arranged between the crawler walking mechanism 8 and the shearing host; in this way, when the lifting legs 7 are extended, as shown in Figure 14 , the crawler walking mechanism 8 can be driven into the bottom of the shearing host between the two lifting legs 7 in the length direction, and then the lifting legs 7 are lowered to lower the shearing host on the rotating platform 9, the rotating platform 9 drives the shearing host to rotate 90°, so that the shearing host is aligned with the length direction of the crawler walking mechanism 8, and finally the shearing host is further lowered or cushioned into the cushion block, so that the bottom of the rack 11 of the shearing host is fixed with the rack body of the crawler walking mechanism 8, which facilitates the movement of the crawler walking mechanism 8 to drive the shearing host, and after moving to the position, the shearing operation can be carried out.

[0100] The liftable supporting legs 7, although having multiple movable structures, are generally only the supporting leg 73 driven by the supporting leg lifting driving element 72; the swing of the swing arm 74, or the horizontal expansion / contraction, is basically not subject to force, so it can be manually operated, that is, preferably, as shown in Figure 11 A handle 715 is preferably arranged outside the fixed cylinder 71, so as to facilitate the pushing and pulling of the fixed cylinder 71, and the swing or horizontal expansion / contraction operation.

[0101] The above has specifically described the preferred embodiments of the present application, but the present application is not limited to the described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A shearing machine which is easy to disassemble and transport, characterized in that, The rack is provided with a feeding hopper in the middle rear part, and a shearing zone is arranged at the front end of the feeding hopper, and a discharging zone is arranged outside the front side of the shearing zone. A pressing mechanism and a shearing mechanism are arranged in the shearing zone; the pressing mechanism and the shearing mechanism are arranged side by side and vertically relative to the bottom of the feeding hopper; Liftable supporting legs are arranged on the rack.

2. The shear for easy assembly and disassembly for transport according to claim 1, characterized in that, The liftable supporting legs are more than four and are arranged around the body of the shearing machine. Liftable supporting legs are arranged on the rack.

3. The shear of claim 1 or 2, wherein, The liftable supporting legs are hinged to the rack. The liftable supporting legs comprise a fixed cylinder, a supporting leg lifting driving element, a supporting leg, a swing arm, and a supporting leg hinged joint. The supporting leg lifting driving element is arranged in the fixed cylinder, and the output end of the supporting leg lifting driving element is connected with the supporting leg. The supporting leg can be hidden in the fixed cylinder or extended downward. One side of the fixed cylinder is provided with a swing arm, and the end of the swing arm is connected with the rack through the supporting leg hinged joint.

4. The shear of claim 3, wherein, The swing arm of the liftable supporting leg is a horizontally extendable swing arm, which comprises a swing arm cylinder and a swing arm extension body. The swing arm cylinder is matched with the swing arm extension body, and the swing arm extension body can be horizontally extended relative to the swing arm cylinder.

5. The shear for easy assembly and disassembly for transport according to claim 1, characterized in that, The pressing mechanism comprises a pressing head and a pressing driving element; the pressing head is provided with a pressing plane parallel to the bottom of the feeding hopper at the side close to the shearing zone. 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 outer side of the lower knife holder and can move up and down relative to the upper knife holder; the upper knife holder is connected with the shearing driving element; the shearing side of the upper knife holder is provided with a detachable upper shearing blade. The upper shearing blade is matched with the lower shearing blade, and the shearing edges of the upper shearing blade and the lower shearing blade are engaged.

6. The shear for easy transport of claim 1, wherein, The bottom of the feeding hopper is arranged to be inclined relative to the horizontal plane; the bottom of the feeding hopper extends upward and outward to form an open inclined feeding hopper. The inclination 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 are inclined relative to the vertical plane by an angle of α. 15°≤α≤35°。 7. The shear for easy transport 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 the pushing mechanism 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 rack. The pushing driving element drives the feeding frame to extend and retract along the bottom of the feeding hopper.

8. The shear for easy transport of claim 1, wherein, A material blocking mechanism is arranged in the discharging zone. The material blocking mechanism comprises a blocking plate and a blocking driving element. The blocking plate can be blocked in front of the shearing zone or away from the shearing zone under the driving of the blocking driving element.

9. The shear for easy transport 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 rack. The side pressing head can move into the feeding hopper under the driving of the side pressing driving element.

10. The shear for easy transport of claim 9, wherein, The side pressing head is a swing pressing head, and the front end of the side pressing head is hinged to the inner side of the front part of the feeding hopper through a side pressing hinged shaft at a middle position. The side pressing head has a guiding pressing surface and a material blocking curved surface; the guiding pressing surface is arranged 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 and forms a horn mouth at the front of the feeding hopper to guide the material inwardly; 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.

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