Flying shear capable of rapidly changing cutter

Abstract

The utility model discloses a flying shear capable of rapidly changing a cutter, and relates to the technical field of cutter changing of flying shears, and the flying shear comprises a flying shear, a blade, an abutting assembly and an adjusting assembly; the flying shear is provided with a guide groove for the blade to slide, the side portion and the bottom of the blade abut against the inner wall of the guide groove, the adjusting assembly is installed on the flying shear and used for adjusting the gap of the blade located in the guide groove, and the abutting assembly is installed on the flying shear and used for abutting against the two ends of the blade in the vertical direction. The flying shear has the advantages that potential safety hazards during blade replacement or blade disassembly are reduced, the safety of the flying shear in the blade replacement process is improved, the blade replacement time is shortened, and the blade can be more conveniently, easily and conveniently assembled or disassembled and maintained.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of flying shear tool changing, in particular to a flying shear capable of quickly changing tools. BACKGROUND

[0002] The flying shear is a kind of shearing machine, which is used for transversely shearing a moving rolled piece. The flying shear is mainly used for shearing medium and small steel billets, thin plate billets, small-sized steel bars (rods) and hot-rolled and cold-rolled strip steels (including plated strip steels). The flying shear is also used for cutting the plate edges cut by a flying shear.

[0003] When the flying shear cuts a workpiece, a blade needs to be used for cutting. The conventional blade is directly fixed in the equipment by bolts. When the blade needs to be replaced or disassembled, a worker needs to manually stretch into the equipment to disassemble the blade, which has certain safety hazards. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problem that the worker directly manually stretches into the equipment to replace or disassemble the blade, the application provides a flying shear capable of quickly changing tools.

[0005] The flying shear capable of quickly changing tools provided by the application adopts the following technical scheme:

[0006] On one hand, the application discloses a flying shear capable of quickly changing tools, which comprises a flying shear, a blade, a clamping assembly and an adjusting assembly. A guide groove for sliding the blade is formed in the flying shear. The side and bottom of the blade are in abutment with the inner wall of the guide groove. The adjusting assembly is installed on the flying shear and used for adjusting the gap of the blade in the guide groove. The clamping assembly is installed on the flying shear and used for clamping the two ends of the blade in the vertical direction.

[0007] Through the above technical scheme, the worker transmits the blade along the length direction of the blade through a tool along the guide groove on one side of the flying shear. After installation, the adjusting assembly can adjust the gap on both sides of the blade, so that the blade is in different shearing positions. Thus, the gap in the guide groove can be adjusted, the thickness of different blades can be installed and clamped, the end of the blade is clamped by the clamping assembly, so that the stability of the blade during use is maintained. When the blade is replaced or disassembled, the worker only needs to transport the blade through the guide groove, reduces the disassembly and installation of the worker by stretching into the interior, greatly improves the safety of the worker, and also improves the efficiency of the installation or disassembly of the blade.

[0008] Optionally, the abutting assembly comprises an abutting piece, a locking piece, a hydraulic cylinder, a piston rod and a disc spring, the hydraulic cylinder is installed on the flying shear, one end of the piston rod is connected with the output end of the hydraulic cylinder, the other end of the piston rod is connected with the abutting piece, the disc spring is installed on the piston rod, the abutting piece is installed on the flying shear abutting the side of the blade, and the locking piece is installed on the flying shear for locking the two ends of the blade.

[0009] By adopting the above technical scheme, the hydraulic cylinder is driven, the disc spring sleeved on the piston rod overcomes the elastic force, the blade is inserted from the side guide groove of the flying shear, after being installed in place, the hydraulic cylinder is unloaded, the locking piece moves downward under the pressure of the disc spring to abut the blade, after the blade is installed in place, the two ends of the blade are abutted by the abutting piece, thereby preventing the displacement of the blade, and the operation is reversed during disassembly.

[0010] Optionally, the adjusting assembly comprises a servo motor, a worm and gear structure, an adjusting screw rod and a sliding block, the servo motor is installed on the flying shear, the worm and gear structure is installed on the output end of the servo motor, the adjusting screw rod is installed on the end of the worm and gear structure away from the servo motor, the adjusting screw rod and the sliding block are in threaded cooperation, and the sliding block and the guide groove are in sliding cooperation.

[0011] By adopting the above technical scheme, after the servo motor is driven, the extension shaft of the servo motor drives the worm and gear structure to transmit, the worm and gear structure drives the adjusting screw rod to rotate, and the screw rod drives the sliding block to slide in the guide groove, since the sliding block is in an inclined shape, the position of the sliding block in the guide groove is adjusted, the blade is located at different depths in the guide groove, and the gap of the blade in the guide groove is changed.

[0012] Optionally, the abutting piece comprises a wedge and a stop block, the stop blocks are arranged in a linear array on the flying shear, the wedge is fixed on the piston rod and slides on each stop block, and the side end face of the wedge away from the stop block is parallel to the side face of the blade.

[0013] By adopting the above technical scheme, the stop blocks are arranged and fixed at the groove positions of the guide groove of the flying shear, the shape of the wedge is that one side end face is inclined and the other side end face is flat, the inclined end face of the wedge is attached to the sliding end face of the stop block, and when the wedge and the stop block form a height difference in dislocation, the abutting degree of the blade in the guide groove is changed.

[0014] Optionally, the locking piece comprises an upper blade mounting seat, an upper blade locking pull rod, a lower blade mounting seat and a lower blade locking pull rod, the upper blade mounting seat is arranged on the flying shear at one end of the blade, the lower blade mounting seat is arranged on the flying shear at the other end of the blade, the upper blade locking pull rod is installed on the upper blade mounting seat, the lower blade locking pull rod is installed on the lower blade mounting seat, and the two ends of the blade are respectively abutted with the upper blade locking pull rod and the lower blade locking pull rod.

[0015] By adopting the technical scheme, the upper knife mounting seat and the lower knife mounting seat are integrally formed on the flying shear machine, and the upper knife locking pull rod and the lower knife locking pull rod are respectively loosened or tightly pressed on the abutting parts at both ends of the blade, so that the stability of the blade installed in the guide groove is improved.

[0016] Optionally, the flying shear machine is further provided with a gap adjusting mechanism, the gap adjusting mechanism comprises an adjusting baffle, an adjusting wedge, a sliding plate adjusting screw, a sliding block pressing plate and a driving wedge, the adjusting baffle is fixed on the flying shear machine, the driving wedge slides between the adjusting baffle and the adjusting wedge, the sliding block pressing plate and the adjusting wedge are fastened by bolts, and the sliding plate adjusting screw is threadedly matched through the adjusting baffle and the driving wedge.

[0017] By adopting the technical scheme, the adjusting baffle is fixed on the flying shear machine, the driving wedge slides on the adjusting wedge, the sliding block pressing plate is fastened with the adjusting wedge by bolts, the top of the sliding block pressing plate in the flying shear machine is provided with a transmission roller, after the driving wedge is adjusted to different positions of the adjusting wedge, the adjusting baffle and the driving wedge are locked, and the gap between the sliding block pressing plate and the transmission roller is adjusted and changed, so that the error during shearing is adjusted, and burrs on the blade are reduced.

[0018] Optionally, one side end surface of the wedge block is inclined, and the other side end surface of the wedge block is horizontal.

[0019] By adopting the technical scheme, the shape of the wedge block facilitates the abutting of the blade between the block and the wedge block, and the stability of the blade installation is improved.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. The abutting assembly on the flying shear machine is in a loosened state, the blade is conveyed from the guide groove on the side of the flying shear machine, after the blade is installed in place, the gap size on both sides of the blade is adjusted by the adjusting assembly, and the installation of the blade of different thicknesses in the flying shear machine is satisfied.

[0022] 2. The worker transmits the blade to the inside of the flying shear machine through the guide groove, which avoids manual installation or disassembly in the flying shear machine, and ensures the safety of the worker. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0024] Figure 1 is a schematic view of the overall structure of the present application showing a front view.

[0025] Figure 2 is a sectional view of the present application showing a gap adjusting mechanism.

[0026] Figure 3 is a sectional view of the present application showing a pressing assembly.

[0027] Figure 4 is a sectional view of the present application showing an adjusting assembly.

[0028] Figure 5 is an enlarged view of A of the present application. Figure 2

[0029] Reference signs: 1, flying shear machine; 2, blade; 4, adjusting assembly; 31, pressing piece; 32, locking piece; 42, worm and gear structure; 43, adjusting screw; 44, sliding block; 321, upper blade mounting seat; 322, upper blade locking pull rod; 323, lower blade mounting seat; 324, lower blade locking pull rod; 5, gap adjusting mechanism; 51, adjusting block; 52, adjusting inclined block; 53, sliding plate adjusting screw; 54, sliding block pressing plate; 55, driving inclined block. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below in combination with the accompanying drawings. Figure 1 to Figure 5 The present application will be further described in detail below in combination with the accompanying drawings.

[0031] The embodiments of the present application disclose a flying shear machine capable of quickly changing blades.

[0032] Reference Figure 1 ​The flying shear 1, the blade 2, the abutting assembly and the adjusting assembly 4 are composed; the flying shear 1 is provided with a guide groove for the blade 2 to slide, when the blade 2 is installed in the guide groove, the side and the bottom of the blade 2 abut against the inner wall of the guide groove, the adjusting assembly 4 is installed on the flying shear 1 for adjusting the gap of the blade 2 in the guide groove, the abutting assembly is installed on the flying shear 1 for abutting against the two ends of the blade 2 in the vertical direction, the blade 2 is installed or dismounted from the guide groove in the flying shear 1, on the one hand, the blade 2 is limited in transmission, on the other hand, the worker operates the transmission alone, the efficiency of the installation or dismounting process is improved, the worker is safer when the blade 2 is extracted and supplied, the worker enters the flying shear 1 to install or dismount is reduced, and the safety is improved.

[0033] The abutting assembly is composed of the abutting piece 31, the locking piece 32, the hydraulic cylinder, the piston rod and the disc spring, the hydraulic cylinder is installed on the flying shear 1, one end of the piston rod is connected with the output end of the hydraulic cylinder, the other end of the piston rod is connected with the abutting piece 31, the disc spring is installed on the piston rod, the abutting piece 31 is installed on the flying shear 1 close to one side of the blade 2, the locking piece 32 is installed on the flying shear 1 for locking the two ends of the blade 2, when the blade 2 is installed, the hydraulic cylinder drives the locking piece 32 to separate from the blade 2, and the elastic force of the disc spring is overcome, then the blade 2 is inserted from the guide groove in the flying shear 1, after the blade 2 is installed in place, the hydraulic cylinder is unloaded, the pressure of the disc spring moves downward to abut against the blade 2, the two ends of the blade 2 are locked on the body of the flying shear 1 through the locking piece 32, so that the movement of the blade 2 is prevented; when the blade 2 is dismounted, the locking piece 32 separates from the abutting effect of the end of the blade 2, the hydraulic cylinder is returned to overcome the force of the disc spring, the blade 2 can be smoothly extracted along the guide groove to the outside of the flying shear 1, great convenience is provided for the worker, and the safety of the customer in the installation or dismounting process is ensured.

[0034] Referring to Figure 1 As shown, the abutting piece 31 includes a wedge block and a stop block, the stop block is linearly arranged and fixed on the flying shear 1, the wedge block and the piston rod are fixed on each stop block, the end face of the wedge block away from the stop block is parallel to the side face of the blade 2, the cross section of the wedge block in the embodiment is a right trapezoidal shape, the side of the stop block close to the wedge block is provided with an inclined surface, as the plane of the wedge block abuts against the blade 2, the blade 2 is pressed on one side of the plane end of the wedge block, so that the wedge block is extruded from one side of the stop block, thereby abutting against the blade 2 with different thicknesses.

[0035] Referring to Figure 3As shown, the locking member 32 includes an upper blade mounting seat 321, an upper blade locking pull rod 322, a lower blade mounting seat 323 and a lower blade locking pull rod 324, the upper blade mounting seat 321 is arranged on the flying shear 1 at one end of the blade 2, the lower blade mounting seat 323 is arranged on the flying shear 1 at the other end of the blade 2, the upper blade locking pull rod 322 slides on the upper blade mounting seat 321, the lower blade locking pull rod 324 slides on the lower blade mounting seat 323, the upper blade locking pull rod 322 and the lower blade locking pull rod 324 are respectively fixedly provided with a pressing plate close to one end of the blade 2, the pressing plates on both sides are respectively abutted with the end portions of the blade 2, so that the blade 2 has abutting forces on both sides when being installed or dismounted in the guide groove.

[0036] Referring to Figure 4 As shown, the adjusting assembly 4 includes a servo motor (not shown), a worm gear structure 42, an adjusting screw 43 and a sliding block 44, the servo motor is installed on the flying shear 1, the worm gear structure 42 is installed on the output end of the servo motor, the adjusting screw 43 is installed on the end of the worm gear structure 42 away from the servo, the adjusting screw 43 and the sliding block 44 are threadedly matched, the sliding block 44 and the guide groove are slidingly matched, after the servo motor is turned on, the output end of the servo motor drives the worm gear structure 42 to transmit, the worm gear structure 42 drives the adjusting screw 43 to rotate, the screw drives the sliding block 44 to slide in the guide groove, since the sliding block 44 is inclined, when the position of the sliding block 44 in the guide groove is adjusted, the blade 2 is located at different depths in the guide groove, thereby changing the gap of the blade 2 in the guide groove.

[0037] Referring to Figure 2 and Figure 5 As shown, the flying shear 1 is further provided with a gap adjusting mechanism 5, the gap adjusting mechanism 5 includes an adjusting baffle, an adjusting inclined block 52, a sliding plate adjusting screw 53, a sliding block 44 pressing plate and a driving inclined block 55, the adjusting baffle is fixed on the flying shear 1, the driving inclined block 55 slides between the adjusting baffle and the adjusting inclined block 52, the sliding block 44 pressing plate and the adjusting inclined block 52 are fastened by bolts, the sliding plate adjusting screw 53 is threadedly matched with the adjusting baffle and the driving inclined block 55. The adjusting baffle is fixed on the flying shear 1, the driving inclined block 55 slides on the adjusting baffle 51, the sliding block 44 pressing plate is fastened with the adjusting inclined block 52 by bolts, the top of the sliding block 44 pressing plate inside the flying shear 1 is provided with a transmission roller, when the steel billet, sheet billet or small section steel to be cut is transmitted inside the flying shear 1, after the driving inclined block 55 is adjusted to be located at different positions of the adjusting inclined block 52, and the adjusting baffle and the driving inclined block 55 are locked, the gap between the sliding block 44 pressing plate and the transmission roller is adjusted and changed, so that when the steel billet, sheet billet or small section steel transmitted by the transmission roller is cut, the burrs on the blade 2 are reduced, the error range during cutting is adjusted, and the cutting precision is improved.

[0038] The implementation principle of the flying shear machine 1 of the embodiment of the application is as follows: the blade 2 is inserted into the guide groove of the flying shear machine 1, after the hydraulic cylinder is opened, the piston rod and the wedge block move upward, the elastic force of the disc spring is overcome, so that sufficient space is provided for inserting the blade 2 into the guide groove, after the blade 2 is installed in place, the hydraulic cylinder is unloaded, the wedge block moves downward under the pressure of the disc spring and abuts against the blade 2, the adjusting assembly 4 is driven by the servo motor through the transmission of the worm and gear structure 42, the adjusting screw rod 43 is rotated, the adjusting screw rod 43 drives the sliding block 44 to abut against the side surface of the blade 2 in the guide groove, so that the gap between the blades 2 is adjusted, the blades 2 are abutted against in different degrees in the guide groove of the flying shear machine 1, at the same time, the end part of the blade 2 is abutted against by the locking part 32, the stability during installation is improved, during the whole installation or dismounting process, the worker only needs to send and take out the blade 2 from the guide groove on the side of the flying shear machine 1, without entering the inside of the flying shear machine 1 for installation, the safety performance is improved, at the same time, the output of manual labor is reduced, great convenience is provided for manual installation, dismounting and maintenance of the blade 2, and the time for installing or dismounting the blade 2 is shortened.

[0039] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the common meaning understood by one of ordinary skill in the art to which the present application pertains. The terms "first", "second", "third" and similar terms used in the specification and claims of the present application do not denote any order, quantity or importance, but are used to distinguish different components. The terms "one" or "a" and similar terms do not denote a quantity limitation, but mean that at least one exists. The terms "include" or "contain" and similar terms mean that the elements or objects appearing before the "include" or "contain" are encompassed, and do not exclude other elements or objects. The terms "upper", "lower", "left", "right" and the like are used to represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships may also be changed accordingly.

[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be encompassed within the protection scope of the present application.

Claims

1. A flying shear machine with quick tool change, characterized in that: The utility model provides a flying shear (1), blade (2), abutting assembly and adjusting assembly (4), the flying shear (1) is opened with the guide groove of sliding of blade (2) on, the side of blade (2), bottom and guide groove inner wall are abutted, adjusting assembly (4) is installed on flying shear (1) for adjusting the gap of blade (2) in guide groove, abutting assembly is installed on flying shear (1) for abutting the both ends of blade (2) along vertical direction, the abutting assembly includes abutting piece (31), locking piece (32), hydraulic cylinder, piston rod and disc spring, the hydraulic cylinder is installed on flying shear (1), one end of piston rod is connected with the output end of hydraulic cylinder, the other end of piston rod is connected in abutting piece (31), disc spring is installed on piston rod, abutting piece (31) is installed on the flying shear (1) of sticking to one side of blade (2), locking piece (32) is installed on flying shear (1) for locking the both ends of blade (2), the adjusting assembly (4) includes servo motor, worm and gear structure (42), adjusting screw rod (43) and sliding block (44), the servo motor is installed on flying shear (1), worm and gear structure (42) is installed on the output end of servo motor, adjusting screw rod (43) is installed on the one end of worm and gear structure (42) away from servo, adjusting screw rod (43) and sliding block (44) are threadedly connected, and sliding block (44) and guide groove slip fit.

2. The quick-change flying shear of claim 1, wherein: The abutting piece (31) includes a wedge and a stop block, the stop block is linearly arranged on the flying shear (1), the wedge is fixed on the piston rod and slides on each stop block, and the side end face of the wedge away from the stop block is parallel to the side surface of the blade (2).

3. The quick-change flying shear of claim 1, wherein: The locking piece (32) includes an upper blade mounting seat (321), an upper blade locking pull rod (322), a lower blade mounting seat (323), and a lower blade locking pull rod (324), the upper blade mounting seat (321) is arranged on the flying shear (1) at one end of the blade (2), the lower blade mounting seat (323) is arranged on the flying shear (1) at the other end of the blade (2), the upper blade locking pull rod (322) is installed on the upper blade mounting seat (321), the lower blade locking pull rod (324) is installed on the lower blade mounting seat (323), and the two ends of the blade (2) are respectively abutted against the upper blade locking pull rod (322) and the lower blade locking pull rod (324).

4. The quick-change flying shear of claim 1, wherein: The flying shear (1) is further provided with a gap adjusting mechanism (5), the gap adjusting mechanism (5) includes an adjusting stop block (51), an adjusting inclined block (52), a sliding plate adjusting screw (53), a sliding block (44) pressing plate, and a driving inclined block (55), the adjusting stop block (51) is fixed on the flying shear (1), the driving inclined block (55) slides between the adjusting stop block (51) and the adjusting inclined block (52), the sliding block (44) pressing plate and the adjusting inclined block (52) are fastened by bolts, and the sliding plate adjusting screw (53) is threadedly connected through the adjusting stop block (51) and the driving inclined block (55).

5. The quick-change flying shear of claim 2, wherein: The side end face of the wedge is inclined, and the other side end face of the wedge and the blade (2) are kept horizontal.

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