CN104801754A - High-precision gate type plate shearing machine - Google Patents
High-precision gate type plate shearing machine Download PDFInfo
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- CN104801754A CN104801754A CN201510249642.XA CN201510249642A CN104801754A CN 104801754 A CN104801754 A CN 104801754A CN 201510249642 A CN201510249642 A CN 201510249642A CN 104801754 A CN104801754 A CN 104801754A
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- Prior art keywords
- knife rest
- plate
- splicing
- round roller
- level board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
- B21D43/22—Devices for piling sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/12—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor
- B23D15/14—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor actuated by fluid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a high-precision gate type plate shearing machine and belongs to the technical field of plate shearing machines. The high-precision gate type plate shearing machine comprises a main mechanism, a three-point supporting mechanism, a pre-pressing mechanism, a base bracket mechanism and a material receiving mechanism, wherein the main mechanism comprises a machine frame, a thrust oil cylinder, a knife rest, an upper knife and a lower knife; the thrust oil cylinder is fixed at the top of the machine frame; the knife rest is fixedly connected with a piston rod of the thrust oil cylinder; the three-point supporting mechanism is in contact with the knife rest; the upper knife is fixed at the lower end of the knife rest; a protective cover adopts a transparent plastic baffle and is mounted on the machine frame on the front side of the upper knife; the base bracket mechanism is arrange below the upper knife, the lower knife is fixed on the base bracket mechanism; the upper knife and the lower knife form a cutting edge; the pre-pressing mechanism is fixed on the front side of the machine frame and is used for pressing materials to be cut from the upper part; the material receiving mechanism is arranged behind the base bracket mechanism and used for carrying the cut materials. According to the high-precision gate type plate shearing machine disclosed by the invention, the goal of improving the shearing precision and the shearing quality of the gate type plate shearing machine is achieved.
Description
Technical field
The present invention relates to plate shearing machine technical field, more particularly, relate to a kind of high-precision lock formula plate shearing machine.
Background technology
Plate shearing machine does reciprocating linear motion with a blade another blade relative to shear the machine of sheet material, borrow in the cutter moved and fixing bottom knife, adopt rational gap blade, shearing force is applied to the sheet metal of various thickness, sheet material is separated by the fracture of required size.Plate shearing machine belongs to the one in metal forming machinery, and Main Function is exactly intermetallic composite coating, is widely used in aviation, light industry, metallurgy, chemical industry, building, boats and ships and automobile and other industries.Plate shearing machine is commonly used to the plate blank cutting out linear edge.Shearing technique should be able to ensure by the linearity of shear material shear surface and depth of parallelism requirement, and reduces sheet material distortion, to obtain high-quality workpiece as far as possible.
Technical scheme about lock formula plate shearing machine is existing open, such as Chinese Patent Application No. 2013102840625, the applying date is on July 8th, 2013, invention and created name is: hydraulic gate type guillotine shear, this application case relates to a kind of hydraulic gate type guillotine shear, comprises tool-setting mechanism, left oil cylinder, frame, right oil cylinder, rami posterior superior holds, front support, rami posterior inferior hold, guard grating, knife rest, sprocket wheel, support and back material stopping; Frame top two ends are fixedly connected with left oil cylinder and right oil cylinder, and tool-setting mechanism is fixedly equipped with in side, and hold from opposite side loading rami posterior superior and hold with rami posterior inferior, be provided with front support and guard grating before frame, knife rest entirety is socketed on sprocket wheel, is provided with back material stopping in the below of support.
And for example, Chinese Patent Application No. 2013204396884, the applying date is: on July 23rd, 2013, invention and created name is: a kind of efficient hydraulic lock formula plate shearing machine, this application case relates to a kind of efficient hydraulic lock formula plate shearing machine, comprise peripheral frame, upper tool post, lower slide, pressing system, main hydraulic cylinder, hydraulic part, tooling system, electric control system, shear guiding and gap regulating portion and back material stopping part, peripheral frame sidepiece arranges stiffener, on front side of upper tool post back and lower slide, crisscross gusset is set, the compression leg forward frame of pressing system arranges safety member, peripheral machine frame inside is arranged shears material collection transporter, peripheral frame arranges some groups of lighting devices.
But but there is following problems in existing lock formula plate shearing machine: (1) is although frame is provided with supported at three point mechanism cutter setting frame and carries out leading, supporting, but often due to various factors during actual use, knife rest can not keep in touch with three fulcrums simultaneously, upper slitter produces gap relative to lower cutter and floats, occur that shear effect difference even cannot cut off the consequence of sheet material, greatly reduce shear precision and the shearing quality of lock formula plate shearing machine; (2) effect of knife rest because of shearing force in shear history often produces amount of deflection, causes the shear gap between upper slitter and lower cutter unanimously uneven on frame length direction, greatly reduces shear precision and the shearing quality of lock formula plate shearing machine.
In sum, how to make further improvement to existing lock formula plate shearing machine, improving shear precision and the shearing quality of lock formula plate shearing machine, is the technical barrier needing solution in prior art badly.
Summary of the invention
1. invent the technical problem that will solve
Instant invention overcomes the deficiency that existing lock formula plate shearing machine shear precision is low, shearing quality is poor, provide a kind of high-precision lock formula plate shearing machine, achieve the target improving lock formula plate shearing machine shear precision and shearing quality.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
One of the present invention high-precision lock formula plate shearing machine, comprises main body mechanism, supported at three point mechanism, precompressed mechanism, base support mechanism and material receiving mechanism;
Described main body mechanism comprises frame, push action cylinder, knife rest, upper slitter and lower cutter, and described push action cylinder is fixed on the top of frame, and the piston rod of described knife rest and push action cylinder is connected; Described supported at three point mechanism contacts with knife rest; Described upper slitter is fixed on the lower end of knife rest, and the frame on front side of upper slitter is equipped with protective cover, and described protective cover is transparent plastic dam;
Described base support organization establishes is in the below of upper slitter;
Described lower cutter is fixed in base support mechanism, and this lower cutter and upper slitter form shearing edge;
Described precompressed mechanism is fixed on the front side of frame, and this precompressed mechanism is used for compressing material to be sheared from top;
Described material receiving mechanism is arranged at the rear of base support mechanism, and this material receiving mechanism is for accepting the material under shearing.
As further improvement of the present invention, described knife rest comprises knife rest side plate, knife rest riser, knife rest side plate, knife rest level board and knife rest intermediate plate, and described knife rest riser is fixed on the front side of knife rest side plate, and the piston rod of described knife rest riser and push action cylinder is connected; Described knife rest riser lower edge becomes left low right high skewed, and described upper slitter is fixed on knife rest riser lower edge; Described knife rest riser tilts to the rear side of frame, and the angle of knife rest riser and vertical direction is 4 ° ~ 5 °; Described knife rest side plate is fixed on the left and right sides of knife rest, and one end and the knife rest riser trailing flank of knife rest side plate are connected, and the other end and the knife rest level board upper surface of knife rest side plate are connected; Described knife rest level board is fixed on the rear side of knife rest riser, and knife rest level board and knife rest riser perpendicular; One end and the knife rest riser trailing flank of described knife rest intermediate plate are connected, and the other end and the knife rest level board upper surface of knife rest intermediate plate are connected, and this knife rest intermediate plate is positioned at the centre position of knife rest.
As further improvement of the present invention, described knife rest side plate comprises epirelief side plate and recessed side plate, epirelief side plate is the arc plate that Open Side Down, recessed side plate is the arc plate of opening upwards, the upper end of epirelief side plate and the upper end of recessed side plate are connected, the lower end of epirelief side plate and the lower end of recessed side plate are connected, and the opening direction of epirelief side plate is just to the opening direction of recessed side plate, and epirelief side plate is identical with the crooked radian of recessed side plate;
The contact surface of described knife rest and supported at three point mechanism is equipped with guide rail, wherein: the contact surface of knife rest and front fulcrum is provided with front fulcrum guide rail, the contact surface of knife rest and rami posterior superior point is provided with rami posterior superior point guide rail, and the contact surface of knife rest and rami posterior inferior point is provided with rami posterior inferior point guide rail.
As further improvement of the present invention, described supported at three point mechanism comprises front fulcrum, rami posterior superior point and rami posterior inferior point, described front fulcrum comprises front fulcrum disc spring and front fulcrum round roller, the outer cover of front fulcrum round roller has sleeve, the shaft parallel of front fulcrum round roller is in knife rest riser, front fulcrum guide rail contact on front side of front fulcrum round roller side and knife rest riser, the opposite side of front fulcrum round roller contacts with the pressure strip in sleeve, described pressure strip and front fulcrum disc spring are connected, front fulcrum disc spring compression pressure strip, thrust is delivered to front fulcrum round roller by pressure strip, the outer peripheral face of front fulcrum round roller is made to compress front fulcrum guide rail, described front fulcrum has three, three equally spaced front sides being arranged on frame of front fulcrum, and the line of three front fulcrums and frame fixing point is one section of circular arc, and Open Side Down for this section of circular arc,
Described rami posterior superior point comprises rear upper round roller, and rear upper round roller is rotated and is arranged on rear side of frame, the rami posterior superior point guide rail contact of upper end on rear side of the outer peripheral face of rear upper round roller and knife rest side plate, and the rotating shaft tie point going up round roller does not afterwards overlap with the center of circle of rear upper round roller; The rotating shaft of the rear upper round roller described rear upper round roller that is connected with transmission device has two, goes up round roller afterwards for two and is arranged on the biside plate of frame;
Described rami posterior inferior point comprises rear lower round roller, and rear lower round roller is rotated and is arranged on rear side of frame, the rami posterior inferior point guide rail contact of lower end on rear side of the outer peripheral face of rear lower round roller and knife rest side plate; Described rear lower round roller has two, and two are descended round roller to be arranged on the biside plate of frame afterwards.
As further improvement of the present invention, described precompressed mechanism comprises prefabricating oil cylinder and pre-compressed spring, described prefabricating oil cylinder is fixed on the front side of frame, and the piston rod of prefabricating oil cylinder and one end of pre-compressed spring are connected, and another of pre-compressed spring is rectified base support mechanism;
Described precompressed mechanism has more than eight or eight, and the precompressed mechanism of more than eight or eight equidistantly distributes along the length direction of base support mechanism.
As further improvement of the present invention, described base support mechanism comprises rear carrier plate, front upper supporting plate, front lower carrier plate, level board, retainer plate and ball, described rear carrier plate both sides are connected with frame biside plate respectively, and the upper end of rear carrier plate and the rear end of level board bottom surface are connected; One end of described front lower carrier plate is connected on rear carrier plate, and the junction of front lower carrier plate and rear carrier plate is positioned at 1/3 ~ 1/2 At The Height of rear carrier plate; The other end and front upper supporting plate one end of front lower carrier plate are connected, and the other end of front upper supporting plate and the front end of level board bottom surface are connected; Retainer plate is fixed in the top of described level board, and the upper surface of retainer plate is provided with some balls.
As further improvement of the present invention, described material receiving mechanism comprises splicing swash plate, splicing level board, splicing baffle plate, splicing oil cylinder and splicing column, described splicing column is vertically arranged, one end of described splicing swash plate and the upper end thereof of splicing column, the other end of splicing swash plate and one end of splicing level board are connected, and the other end of splicing level board and one end of splicing baffle plate are connected;
Bottom surface and the frame bottom surface of described splicing oil cylinder are hinged, and the piston rod of splicing oil cylinder is fixed on the bottom surface of splicing swash plate;
The upper surface of described splicing swash plate and splicing level board is equipped with ball.
As further improvement of the present invention, the angle of described splicing swash plate and splicing level board is 135 ° ~ 150 °, and the junction of splicing swash plate and splicing level board is provided with arc transition section, and the angle of splicing level board and splicing baffle plate is 90 °; The height of described splicing column is identical with the height of retainer plate.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, there is following remarkable result:
(1) one of the present invention high-precision lock formula plate shearing machine, through the base support mechanism of the uniqueness of finite element optimum design, make the amount of deflection produced in lock formula plate shearing machine shear history, can the amount of deflection that produces because of the effect of shearing force of compensating cutting tool carriage, make the cutting edge radius of this lock formula plate shearing machine on total length direction remain uniformity, thus improve shear precision and the quality of lock formula plate shearing machine.
(2) one of the present invention high-precision lock formula plate shearing machine, knife rest side plate, knife rest riser, knife rest side plate, to cooperatively interact between knife rest level board and knife rest intermediate plate, by the structural design of its uniqueness, under the prerequisite reducing knife rest deadweight, substantially increase the strength and stiffness of knife rest self, thus simplify the overall structure of front fulcrum, reduce manufacturing cost, and prevent to a certain extent and to occur that because of blade holder turns shear effect difference even cannot cut off the generation of sheet material situation.
(3) one of the present invention high-precision lock formula plate shearing machine; the plate of completion of processing can be collected easily and efficiently by material receiving mechanism; avoid the danger of manually direct feeding in base support mechanism, protect the safety of staff, improve efficiency.
(4) one of the present invention high-precision lock formula plate shearing machine; the safety of operating personnel is protected in the process can not only sheared at lock formula plate shearing machine by transparent protective cover; and can position plate more accurately, process; the overall process that lock formula plate shearing machine is sheared can be observed intuitively simultaneously; strengthen the monitoring to shear history; once any exception in discovery shear history; shear history can be stopped in time; improve shear precision and shearing quality, improve the yield rate of sheet material.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of a kind of high-precision lock formula plate shearing machine of the present invention;
Fig. 2 is the left TV structure schematic diagram of a kind of high-precision lock formula plate shearing machine of the present invention;
Fig. 3 is the plan structure schematic diagram of a kind of high-precision lock formula plate shearing machine of the present invention.
Label declaration in schematic diagram: 1, frame; 2, push action cylinder; 3, knife rest; 301, knife rest riser; 302, epirelief side plate; 303, recessed side plate; 304, knife rest level board; 305, knife rest intermediate plate; 3051, circular port; 306, guide rail; 4, upper slitter; 5, lower cutter; 6, front fulcrum: 601, front fulcrum disc spring; 602, front fulcrum round roller; 7, rami posterior superior point; 8, rami posterior inferior point; 9, prefabricating oil cylinder; 10, pre-compressed spring; 11, splicing swash plate; 12, splicing level board; 13, splicing baffle plate; 14, splicing oil cylinder; 15, splicing column; 16, retainer plate; 17, ball; 18, rear carrier plate; 19, front upper supporting plate; 20, front lower carrier plate; 21, level board.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the one high-precision lock formula plate shearing machine of the present embodiment, comprises main body mechanism, supported at three point mechanism, precompressed mechanism, base support mechanism and material receiving mechanism.
Main body mechanism comprises frame 1, push action cylinder 2, knife rest 3, upper slitter 4 and lower cutter 5, and push action cylinder 2 is fixed on the top of frame 1, and knife rest 3 is connected with the piston rod of push action cylinder 2.Supported at three point mechanism contacts with knife rest 3.Push action cylinder 2 drives knife rest 3 to move up and down.Upper slitter 4 is fixed on the lower end of knife rest 3, protective cover (not shown) frame 1 on front side of upper slitter 4 is equipped with, protective cover is transparent plastic dam, in the present embodiment, the material of protective cover is PMMA, the safety of operating personnel is protected in the process can not only sheared at lock formula plate shearing machine by transparent protective cover, and can position plate more accurately, processing, the overall process that lock formula plate shearing machine is sheared can be observed intuitively simultaneously, strengthen the monitoring to shear history, once any exception in discovery shear history, shear history can be stopped in time, improve shear precision and shearing quality, improve the yield rate of sheet material.Base support organization establishes is in the below of upper slitter 4.Lower cutter 5 is fixed in base support mechanism, and this lower cutter 5 and upper slitter 4 form shearing edge.Precompressed mechanism is fixed on the front side of frame 1, and this precompressed mechanism is used for compressing material to be sheared from top.Material receiving mechanism is arranged at the rear of base support mechanism, and this material receiving mechanism is for accepting the plate under shearing.
Particularly, knife rest 3 comprises knife rest side plate (non-label), knife rest riser 301, knife rest side plate, knife rest level board 304 and knife rest intermediate plate 305, knife rest riser 301 is fixed on the front side of knife rest side plate, and knife rest riser 301 is connected with the piston rod of push action cylinder 2.Knife rest riser 301 lower edge becomes left low right high skewed (as shown in Figure 1), and upper slitter 4 is fixed on knife rest riser 301 lower edge; Knife rest riser 301 tilts to the rear side of frame 1, knife rest riser 301 is 4 ° with the angle of vertical direction, the inclination of knife rest riser 301 adds the shearing inclination skew in man-hour at lock formula plate shearing machine in order to compensating cutting tool carriage 3, make front fulcrum 6 more effectively compress knife rest 3, thus improve the machining accuracy of lock formula plate shearing machine.Knife rest side plate is fixed on the left and right sides of knife rest 3, and one end and knife rest riser 301 trailing flank of knife rest side plate are connected, and the other end and knife rest level board 304 upper surface of knife rest side plate are connected.Knife rest level board 304 is fixed on the rear side of knife rest riser 301, and knife rest level board 304 is perpendicular with knife rest riser 301.One end and knife rest riser 301 trailing flank of knife rest intermediate plate 305 are connected, and the other end and knife rest level board 304 upper surface of knife rest intermediate plate 305 are connected, and this knife rest intermediate plate 305 is positioned at the centre position of knife rest 3.Knife rest side plate comprises epirelief side plate 302 and recessed side plate 303, epirelief side plate 302 is the arc plate that Open Side Down, recessed side plate 303 is the arc plate of opening upwards, the upper end of epirelief side plate 302 and the upper end of recessed side plate 303 are connected, the lower end of epirelief side plate 302 and the lower end of recessed side plate 303 are connected, and the opening direction of epirelief side plate 302 is just to the opening direction of recessed side plate 303, epirelief side plate 302 is identical with the crooked radian of recessed side plate 303.It should be noted that, one group of knife rest side plate comprises an epirelief side plate 302 and a recessed side plate 303, and one group of knife rest side plate each side fixed by knife rest 3.Wherein: the plane of symmetry of epirelief side plate 302 and recessed side plate 303 and the angle of knife rest riser 301 are the scope of A, A is 25 ° ~ 30 °, A=25 ° in this enforcement; The included angle B of knife rest intermediate plate 305 and knife rest riser 301, wherein B=1.05*A=26.25 °.Knife rest intermediate plate 305 is equidistantly provided with some circular ports 3051 along its length, the line in these circular port 3051 centers of circle is the circular arc of one section of opening upwards, the central angle scope of this section of circular arc is 35 ° ~ 45 °, and in the present embodiment, the central angle of this section of circular arc gets 35 °.
The present embodiment intermediate slide side plate, knife rest riser 301, knife rest side plate, to cooperatively interact between knife rest level board 304 and knife rest intermediate plate 305, by the structural design of its uniqueness, substantially increase the strength and stiffness of knife rest 3 self, thus improve the machining accuracy of lock formula plate shearing machine.The lock formula plate shearing machine of existing structure is when shearing, and the upper slitter 4 on knife rest 3 is subject to a power backward, and this power is horizontal component when shearing plate.According to lever principle, rami posterior inferior point 8 is balance pivot, knife rest 3 upper end can deflect forward, the moment acted on knife rest 3 that now front fulcrum 6 elastic support produces must be greater than the moment of level of shear component generation and the moment sum of knife rest 3 gravity generation, otherwise, just there will be knife rest 3 and rotate, knife rest 3 can not keep in touch with three fulcrums simultaneously, upper slitter 4 can produce gap relative to lower cutter 5 and float, and occurs that shear effect difference even cannot cut off the consequence of sheet material.In order to prevent this situation, the enough large active force that front fulcrum 6 elastic support must produce, so the overall structure of this front fulcrum 6 must be very large.If front fulcrum 6 overall structure is too small, just there will be front fulcrum round roller 602 cracked, be difficult to a series of phenomenons such as shearing.Especially for large-scale gate type plate shearing machine, the integrally-built design of this front fulcrum 6 can be extremely difficult because large-scale plate shearing machine not only horizontal shear component is very big, and in order to ensure that rigid blade holder 3 is conducted oneself with dignity also very big.Applicant finds through a large amount of field experiment, adopt the knife rest 3 of said structure greatly can not only reduce the deadweight of knife rest 3, and can ensure that knife rest 3 self has certain strength and stiffness, thus simplify the overall structure of front fulcrum 6, reduce manufacturing cost, and prevent to a certain extent and to occur that because knife rest 3 rotates shear effect difference even cannot cut off the generation of sheet material situation.
Knife rest 3 is equipped with guide rail 306 with the contact surface of supported at three point mechanism, wherein: knife rest 3 is provided with front fulcrum guide rail with the contact surface of front fulcrum 6, knife rest 3 is provided with rami posterior superior point guide rail with the contact surface of rami posterior superior point 7, and knife rest 3 is provided with rami posterior inferior point guide rail with the contact surface of rami posterior inferior point 8.Particularly, supported at three point mechanism comprises front fulcrum 6, rami posterior superior point 7 and rami posterior inferior point 8, front fulcrum 6 comprises front fulcrum disc spring 601 and front fulcrum round roller 602, the outer cover of front fulcrum round roller 602 has sleeve, the shaft parallel of front fulcrum round roller 602 is in knife rest riser 301, front fulcrum guide rail contact on front side of front fulcrum round roller 602 side and knife rest riser 301, the opposite side of front fulcrum round roller 602 contacts with the pressure strip in sleeve, pressure strip and front fulcrum disc spring 601 are connected, front fulcrum disc spring 601 compresses pressure strip, thrust is delivered to front fulcrum round roller 602 by pressure strip, the outer peripheral face of front fulcrum round roller 602 is made to compress front fulcrum guide rail.Front fulcrum 6 has three, three equally spaced front sides being arranged on frame 1 of front fulcrum 6, and three front fulcrums 6 are one section of circular arc with the line of frame 1 fixing point, and Open Side Down for this section of circular arc.Rami posterior superior point 7 comprises rear upper round roller, rear upper round roller is rotated and is arranged on rear side of frame 1, the rami posterior superior point guide rail contact of upper end on rear side of the outer peripheral face of rear upper round roller and knife rest side plate, and the rotating shaft tie point of rear upper round roller does not overlap with the center of circle of rear upper round roller (namely, upper round roller is eccentric round roller, produces eccentric rotary).The rotating shaft of rear upper round roller is connected with transmission device, after transmission device drives, the rotating shaft of upper circle rotates, thus upper round roller does eccentric rotary after driving, knife rest 3 is tightly pressed on rami posterior superior point 7 and rami posterior inferior point 8 by front fulcrum 6 all the time, knife rest 3 for balance pivot swings, can change upper slitter 4 distance (i.e. gap blade) relative to lower cutter 5 on anterior-posterior horizontal direction with regard to later lower fulcrum 8 thus.Rear upper round roller has two, goes up round roller afterwards for two and is arranged on the biside plate of frame 1.Rami posterior inferior point 8 comprises rear lower round roller, and rear lower round roller is rotated and is arranged on rear side of frame 1, and the rami posterior inferior point guide rail contact of lower end on rear side of the outer peripheral face of rear lower round roller and knife rest side plate, rear lower round roller has two, on two biside plates descending round roller to be arranged on frame 1 afterwards.
In the present embodiment, front fulcrum 6 is generally disc spring precompressed fulcrum for elastic support, knife rest 3 is under the effect of elastic support, and rear upper round roller is adjacent to and contacts with rami posterior superior point guide rail (being equivalent to knife rest), rami posterior inferior point guide rail (being equivalent to knife rest) with the outer peripheral face of rear lower round roller respectively.In the present embodiment, what knife rest 3 slided up and down by three front fulcrums, 6, two rami posterior superior points, 7, two rami posterior inferior points 8 jointly is arranged in frame 1, thus makes the stability of knife rest 3 higher, improves the shear precision of lock formula plate shearing machine.
Precompressed mechanism comprises prefabricating oil cylinder 9 and pre-compressed spring 10, and prefabricating oil cylinder 9 is fixed on the front side of frame 1, and the piston rod of prefabricating oil cylinder 9 and one end of pre-compressed spring 10 are connected, and another of pre-compressed spring 10 is rectified base support mechanism.In the present embodiment, precompressed mechanism has eight, and eight precompressed mechanisms equidistantly distribute along the length direction of base support mechanism.
Base support mechanism comprises rear carrier plate 18, front upper supporting plate 19, front lower carrier plate 20, level board 21, retainer plate 16 and ball 17, and rear carrier plate 18 both sides are connected with frame 1 biside plate respectively, and the upper end of rear carrier plate 18 and the rear end of level board 21 bottom surface are connected.One end of front lower carrier plate 20 is connected on rear carrier plate 18, and front lower carrier plate 20 is positioned at 1/3 At The Height of rear carrier plate 18 with the junction of rear carrier plate 18.The other end and front upper supporting plate 19 one end of front lower carrier plate 20 are connected, and the other end of front upper supporting plate 19 and the front end of level board 21 bottom surface are connected.Retainer plate 16 is fixed in the top of level board 21, the upper surface of retainer plate 16 is provided with some balls 17, and this some ball 17, along the distribution of retainer plate 16 upper surface length direction undulate shape, facilitates plate to move on retainer plate 16, reduce plate to scratch, and can frictional force be reduced.Rear carrier plate 18 lateral section is the arc section that Open Side Down, front lower carrier plate 20 lateral section is the arc section that Open Side Down, front upper supporting plate 19 lateral section is the arc section of opening upwards, and the line in rear carrier plate 18, front lower carrier plate 20 and front upper supporting plate 19 three arc section centers of circle on same cross section forms equilateral triangle.
In the present embodiment, through the base support mechanism of the uniqueness of finite element optimum design, make the amount of deflection S produced in lock formula plate shearing machine shear history
x(horizontal direction on rear side of frame 1), can the amount of deflection that produces because of the effect of shearing force of compensating cutting tool carriage 3, makes the cutting edge radius of this lock formula plate shearing machine on total length direction remain uniformity, thus improves shear precision and the quality of lock formula plate shearing machine.
Material receiving mechanism comprises splicing swash plate 11, splicing level board 12, splicing baffle plate 13, splicing oil cylinder 14 and splicing column 15, splicing column 15 is vertically arranged, one end of splicing swash plate 11 and the upper end thereof of splicing column 15, the other end of splicing swash plate 11 and one end of splicing level board 12 are connected, and the other end of splicing level board 12 and one end of splicing baffle plate 13 are connected; Bottom surface and frame 1 bottom surface of splicing oil cylinder 14 are hinged, and the piston rod of splicing oil cylinder 14 is fixed on the bottom surface of splicing swash plate 11.The upper surface of splicing swash plate 11 and splicing level board 12 is equipped with ball 17, and the plate conveniently completing processing moves on splicing swash plate 11 and splicing level board 12, reduces plate and scratches, and can reduce frictional force.Splicing swash plate 11 is 135 ° with the angle of splicing level board 12, splicing swash plate 11 is provided with arc transition section with the junction of splicing level board 12, splicing level board 12 is 90 ° with the angle of splicing baffle plate 13, and the height of splicing column 15 is identical with the height of retainer plate 16.
In the present embodiment, plate is before shearing, splicing swash plate 11 and retainer plate 16 are at grade, plate slides into position to be processed on retainer plate 16, by rear stock stop (not shown), plate is positioned, prefabricating oil cylinder 9 behind location in precompressed mechanism promotes pre-compressed spring 10 and props up plate, is fixed by plate; Knife rest riser 301 is connected with the piston rod of push action cylinder 2, and knife rest 3 does upper and lower shearing motion under the guiding, supporting role of supported at three point mechanism, thus is sheared by plate; Plate after shearing arrives on splicing swash plate 11, now shrink the piston rod of splicing oil cylinder 14, whole material receiving mechanism with the upper end of splicing column 15 for pivot starts to rotate counterclockwise, in rotation process, what plate was level and smooth slide on splicing level board 12 and stopped by splicing baffle plate 13, when splicing level board 12 turns to horizontal level, stop the piston rod shrinking splicing oil cylinder 14, the plate on splicing level board 12 is taken away; Finally stretch out the piston rod of splicing oil cylinder 14, make whole material receiving mechanism with the upper end of splicing column 15 for pivot starts to rotate clockwise, until splicing swash plate 11 turns to horizontal level, thus complete splicing process.The plate of completion of processing can be collected by material receiving mechanism easily and efficiently, avoid the danger of manually direct feeding in base support mechanism, protect the safety of staff, improve efficiency.
The high-precision lock formula plate shearing machine of the present embodiment adopts all steel Welding Structure, and precision stability is good, adopts advanced integrated hydraulic system, good reliability, adopts supported at three point rolling guide, eliminates supporting gap, improve shearing quality, gap blade adjustment is accurately, convenient.
Embodiment 2
The one high-precision lock formula plate shearing machine of the present embodiment, its basic structure is identical with embodiment 1, and its difference is: knife rest riser 301 is 5 ° with the angle of vertical direction; The plane of symmetry of chimb plate 302 and recessed side plate 303 and the angle of knife rest riser 301 are A, wherein A=30 °; The included angle B of knife rest intermediate plate 305 and knife rest riser 301, wherein B=1.05*A=31.5 °; Knife rest intermediate plate 305 is equidistantly provided with some circular ports 3051 along its length, and the line in these circular port 3051 centers of circle is the circular arc of one section of opening upwards, and the central angle of this section of circular arc is 45 °; In the present embodiment, precompressed mechanism has ten, and ten precompressed mechanisms equidistantly distribute along the length direction of base support mechanism; Splicing swash plate 11 is 150 ° with the angle of splicing level board 12.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (8)
1. a high-precision lock formula plate shearing machine, is characterized in that: comprise main body mechanism, supported at three point mechanism, precompressed mechanism, base support mechanism and material receiving mechanism;
Described main body mechanism comprises frame (1), push action cylinder (2), knife rest (3), upper slitter (4) and lower cutter (5), described push action cylinder (2) is fixed on the top of frame (1), and described knife rest (3) is connected with the piston rod of push action cylinder (2); Described supported at three point mechanism contacts with knife rest (3); Described upper slitter (4) is fixed on the lower end of knife rest (3), and the frame (1) of upper slitter (4) front side is equipped with protective cover, and described protective cover is transparent plastic dam;
Described base support organization establishes is in the below of upper slitter (4);
Described lower cutter (5) is fixed in base support mechanism, and this lower cutter (5) and upper slitter (14) form shearing edge;
Described precompressed mechanism is fixed on the front side of frame (1), and this precompressed mechanism is used for compressing material to be sheared from top;
Described material receiving mechanism is arranged at the rear of base support mechanism, and this material receiving mechanism is for accepting the material under shearing.
2. one according to claim 1 and 2 high-precision lock formula plate shearing machine, it is characterized in that: described knife rest (3) comprises knife rest side plate, knife rest riser (301), knife rest side plate, knife rest level board (304) and knife rest intermediate plate (305), described knife rest riser (301) is fixed on the front side of knife rest side plate, and described knife rest riser (301) is connected with the piston rod of push action cylinder (2); Described knife rest riser (301) lower edge becomes left low right high skewed, and described upper slitter (4) is fixed on knife rest riser (301) lower edge; Described knife rest riser (301) is tilted to the rear side of frame (1), and knife rest riser (301) is 4 ° ~ 5 ° with the angle of vertical direction; Described knife rest side plate is fixed on the left and right sides of knife rest (3), and one end and knife rest riser (301) trailing flank of knife rest side plate are connected, and the other end and knife rest level board (304) upper surface of knife rest side plate are connected; Described knife rest level board (304) is fixed on the rear side of knife rest riser (301), and knife rest level board (304) is perpendicular with knife rest riser (301); One end and knife rest riser (301) trailing flank of described knife rest intermediate plate (305) are connected, the other end and knife rest level board (304) upper surface of knife rest intermediate plate (305) are connected, and this knife rest intermediate plate (305) is positioned at the centre position of knife rest (3).
3. one according to claim 1 and 2 high-precision lock formula plate shearing machine, it is characterized in that: described knife rest side plate comprises epirelief side plate (302) and recessed side plate (303), epirelief side plate (302) is the arc plate that Open Side Down, the arc plate that recessed side plate (303) is opening upwards, the upper end of epirelief side plate (302) and the upper end of recessed side plate (303) are connected, the lower end of epirelief side plate (302) and the lower end of recessed side plate (303) are connected, and the opening direction of epirelief side plate (302) is just to the opening direction of recessed side plate (303), epirelief side plate (302) is identical with the crooked radian of recessed side plate (303),
Described knife rest (3) is equipped with guide rail (306) with the contact surface of supported at three point mechanism, wherein: knife rest (3) is provided with front fulcrum guide rail with the contact surface of front fulcrum (6), knife rest (3) is provided with rami posterior superior point guide rail with the contact surface of rami posterior superior point (7), and knife rest (3) is provided with rami posterior inferior point guide rail with the contact surface of rami posterior inferior point (8).
4. one according to claim 3 high-precision lock formula plate shearing machine, it is characterized in that: described supported at three point mechanism comprises front fulcrum (6), rami posterior superior point (7) and rami posterior inferior point (8), described front fulcrum (6) comprises front fulcrum disc spring (601) and front fulcrum round roller (602), the outer cover of front fulcrum round roller (602) has sleeve, the shaft parallel of front fulcrum round roller (602) is in knife rest riser (301), the front fulcrum guide rail contact of front fulcrum round roller (602) side and knife rest riser (301) front side, the opposite side of front fulcrum round roller (602) contacts with the pressure strip in sleeve, described pressure strip and front fulcrum disc spring (601) are connected, front fulcrum disc spring (601) compression pressure strip, thrust is delivered to front fulcrum round roller (602) by pressure strip, the outer peripheral face of front fulcrum round roller (602) is made to compress front fulcrum guide rail, described front fulcrum (6) has three, three equally spaced front sides being arranged on frame (1) of front fulcrum (6), and three front fulcrums (6) are one section of circular arc with the line of frame (1) fixing point, Open Side Down for this section of circular arc,
Described rami posterior superior point (7) comprises rear upper round roller, rear upper round roller is rotated and is arranged on frame (1) rear side, the rami posterior superior point guide rail contact of upper end on rear side of the outer peripheral face of rear upper round roller and knife rest side plate, and the rotating shaft tie point going up round roller does not afterwards overlap with the center of circle of rear upper round roller; The rotating shaft of the rear upper round roller described rear upper round roller that is connected with transmission device has two, goes up round roller afterwards for two and is arranged on the biside plate of frame (1);
Described rami posterior inferior point (8) comprises rear lower round roller, and rear lower round roller is rotated and is arranged on frame (1) rear side, the rami posterior inferior point guide rail contact of lower end on rear side of the outer peripheral face of rear lower round roller and knife rest side plate; Described rear lower round roller has two, on two biside plates descending round roller to be arranged on frame (1) afterwards.
5. one according to claim 4 high-precision lock formula plate shearing machine, it is characterized in that: described precompressed mechanism comprises prefabricating oil cylinder (9) and pre-compressed spring (10), described prefabricating oil cylinder (9) is fixed on the front side of frame (1), the piston rod of prefabricating oil cylinder (9) and one end of pre-compressed spring (10) are connected, and another of pre-compressed spring (10) is rectified base support mechanism;
Described precompressed mechanism has more than eight or eight, and the precompressed mechanism of more than eight or eight equidistantly distributes along the length direction of base support mechanism.
6. one according to claim 5 high-precision lock formula plate shearing machine, it is characterized in that: described base support mechanism comprises rear carrier plate (18), front upper supporting plate (19), front lower carrier plate (20), level board (21), retainer plate (16) and ball (17), described rear carrier plate (18) both sides are connected with frame (1) biside plate respectively, and the upper end of rear carrier plate (18) and the rear end of level board (21) bottom surface are connected; One end of described front lower carrier plate (20) is connected on rear carrier plate (18), and front lower carrier plate (20) is positioned at 1/3 ~ 1/2 At The Height of rear carrier plate (18) with the junction of rear carrier plate (18); The other end and front upper supporting plate (19) one end of front lower carrier plate (20) are connected, and the other end of front upper supporting plate (19) and the front end of level board (21) bottom surface are connected; Retainer plate (16) is fixed in the top of described level board (21), and the upper surface of retainer plate (16) is provided with some balls (17).
7. one according to claim 6 high-precision lock formula plate shearing machine, it is characterized in that: described material receiving mechanism comprises splicing swash plate (11), splicing level board (12), splicing baffle plate (13), splicing oil cylinder (14) and splicing column (15), described splicing column (15) is vertically arranged, one end of described splicing swash plate (11) and the upper end thereof of splicing column (15), the other end of splicing swash plate (11) and one end of splicing level board (12) are connected, the other end of splicing level board (12) and one end of splicing baffle plate (13) are connected,
Bottom surface and frame (1) bottom surface of described splicing oil cylinder (14) are hinged, and the piston rod of splicing oil cylinder (14) is fixed on the bottom surface of splicing swash plate (11);
The upper surface of described splicing swash plate (11) and splicing level board (12) is equipped with ball (17).
8. one according to claim 7 high-precision lock formula plate shearing machine, it is characterized in that: described splicing swash plate (11) is 135 ° ~ 150 ° with the angle of splicing level board (12), splicing swash plate (11) is provided with arc transition section with the junction of splicing level board (12), and splicing level board (12) is 90 ° with the angle of splicing baffle plate (13); The height of described splicing column (15) is identical with the height of retainer plate (16).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249642.XA CN104801754B (en) | 2015-05-17 | 2015-05-17 | High-precision gate type plate shearing machine |
| CN201610643391.8A CN106180855B (en) | 2015-05-17 | 2015-05-17 | A kind of lock formula plate shearing machine |
| CN201610643378.2A CN106180858B (en) | 2015-05-17 | 2015-05-17 | A kind of application method of high-precision lock formula plate shearing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510249642.XA CN104801754B (en) | 2015-05-17 | 2015-05-17 | High-precision gate type plate shearing machine |
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| CN201610643378.2A Division CN106180858B (en) | 2015-05-17 | 2015-05-17 | A kind of application method of high-precision lock formula plate shearing machine |
| CN201610643391.8A Division CN106180855B (en) | 2015-05-17 | 2015-05-17 | A kind of lock formula plate shearing machine |
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| CN104801754A true CN104801754A (en) | 2015-07-29 |
| CN104801754B CN104801754B (en) | 2017-02-01 |
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| CN201610643391.8A Active CN106180855B (en) | 2015-05-17 | 2015-05-17 | A kind of lock formula plate shearing machine |
| CN201510249642.XA Active CN104801754B (en) | 2015-05-17 | 2015-05-17 | High-precision gate type plate shearing machine |
| CN201610643378.2A Active CN106180858B (en) | 2015-05-17 | 2015-05-17 | A kind of application method of high-precision lock formula plate shearing machine |
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| CN106112107A (en) * | 2016-07-27 | 2016-11-16 | 刘著界 | Automatization's plate shearing machine |
| CN106166627A (en) * | 2016-07-27 | 2016-11-30 | 刘著界 | Multifunctional guillotine shear |
| CN106216763A (en) * | 2016-07-27 | 2016-12-14 | 刘著界 | The plate shearing machine of the more flat function of band |
| CN106670559A (en) * | 2017-02-23 | 2017-05-17 | 山东易川新材料科技股份有限公司 | Movable type plate shearing machine free of tracking power |
| CN114669792A (en) * | 2022-02-23 | 2022-06-28 | 烟台南山学院 | High-precision heavy plate shearing machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106180858A (en) | 2016-12-07 |
| CN106180858B (en) | 2018-01-09 |
| CN106180855B (en) | 2018-01-09 |
| CN106180855A (en) | 2016-12-07 |
| CN104801754B (en) | 2017-02-01 |
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