CN203494966U - Bidirectional sheet edge bending mechanism - Google Patents
Bidirectional sheet edge bending mechanism Download PDFInfo
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- CN203494966U CN203494966U CN201320541116.7U CN201320541116U CN203494966U CN 203494966 U CN203494966 U CN 203494966U CN 201320541116 U CN201320541116 U CN 201320541116U CN 203494966 U CN203494966 U CN 203494966U
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Abstract
The utility model belongs to the field of metal sheet production and processing equipment and mainly relates to a bidirectional sheet edge bending mechanism. The bidirectional sheet edge bending mechanism provided by the utility model is characterized in that an upper bending knife (29) and a lower bending knife (30) in a bending knife structure are respectively positioned above and below a sheet to be processed and are symmetrically arranged up and down; an arranged driving mechanism comprises a driving part and a lever mechanism; the lever mechanism which is connected with the driving part is connected with a bending knife beam to form a structure that the bending knife beam drives the bending knifes to make circular motion by taking the fulcrum of a lever mechanism as the circle center so as to downwards or upwards bend the sheet. The bidirectional sheet edge bending mechanism has the advantages that since the structure of the upper and lower bending knives is adopted to rotatably bend the sheet to be processed, the effect of bending the sheet to different angles from two directions of the sheet in a one-step feeding state is realized, the auxiliary time is effectively reduced and the working efficiency is improved; the sheet can be bent and folded to different angles, the operation flexibility is high and the dimensional accuracy can be guaranteed.
Description
Technical field
The utility model belongs to sheet metal component manufacturing and processing equipment field, relates generally to the two-way edge-folding mechanism of a kind of sheet material.
Background technology
That at sheet metal component production and processing field sheet material bending and molding, uses at present, has hydraulic bending press, Pneumatic reverse turning bed formula bender and a Manual turning plate type bender.
Figure 18 gives the signal that has hydraulic bending press, and General hydraulic bender is comprised of critical pieces such as frame 61, framework platform 62, jack knife beam 66, jack knife 65, counterdie 63, driving oil cylinders 67.Described jack knife beam 66 is simply supported beam forms.Two point is at place, simply supported beam both sides, and two driving cylinder piston rods are fulcrum, and cylinder block and frame connect firmly.Jack knife beam 66 is arranged in the slide of frame both sides setting.The framework platform 62 relatively arranging in frame under cylinder piston rod promotes moves up and down.Jack knife 65 is arranged on the bottom of jack knife beam 66 and connects firmly, and counterdie 63 is fixed on framework platform 62.65 of jack knives are V-arrangement cutter head, and counterdie 63 is with V-shaped groove.V-arrangement cutter head can coincide in counterdie V-shaped groove.Its course of work is: on counterdie V-shaped groove, place after sheet material 45, under the driving of cylinder piston rod, jack knife beam 66 moves down with V-arrangement cutter, and while jack knife being fallen in the V-shaped groove of counterdie 63, sheet material is by bending.Under cylinder piston rod pulls, jack knife beam 66 rises, and jack knife 65 shifts out counterdie V-shaped groove, and sheet material 45 is bent into type.This process is by hydraulic cylinder, to drive jack knife beam to move up and down to form unidirectional bending.Because the bending principle of this type of bender is to be entered downwards in the V-shaped groove of upper plane and carried out bending by the moving V-knife head of jack knife sill bolt.On another V-shaped groove mould bottom surface and framework platform, plane is fixed on above framework platform.Be that existing hydraulic bending press is by the moving up and down of jack knife beam 66, rely on the coordinating of V-shaped groove of V-arrangement cutter head and upper plane, realize the unidirectional bending of sheet material.
In conjunction with Figure 19, Figure 20, Figure 21, Figure 22,23, Pneumatic reverse turning bed bender is by frame, upper trave lling girder 92, forming cutter 93, framework platform 62, gear 97, tooth bar 98, rack guide rail 99, upper trave lling girder pull bar 100, slide 101, rotating shaft cover 102, rotating shaft 103, bending turnover panel 104, cylinder I 105, bearing pin I 106, gear rocking arm 107, cylinder II 108, bearing pin II 109 critical pieces such as grade form.Upper trave lling girder 92 is simply supported beam forms, and upper trave lling girder 92 is arranged in the slide 101 of frame both sides setting, on one side upper trave lling girder 92 upper ends are provided with trave lling girder pull bar 100, upper trave lling girder pull bar 100 upper ends and upper trave lling girder are hinged, and lower end and tooth bar 98 connect firmly.Gear 97 and tooth bar 98 engagements, connect firmly gear rocking arm 107 on gear, one end and gear rocking arm 107 other ends of cylinder II 108 piston rods are hinged.Cylinder body and bearing pin II 109 are hinged.Centered by the right-angle line intersection point at the B angle of framework platform 62, rotating shaft 103 is set, rotating shaft 103 centers overlap with right-angle line intersection point and connect firmly on framework platform 62.Centered by the right-angle line intersection point at the A angle of bending turnover panel 104, axle sleeve 102 is set, axle sleeve 102 centers overlap with right-angle line intersection point and connect firmly on bending turnover panel 104.Rotating shaft cover 102 is arranged in rotating shaft 103, rotating shaft cover 102 and rotating shaft 103 matched in clearance.Bending turnover panel 104 overlaps 102 103 rotations around the shaft by rotating shaft.Piston rod one end and the bending turnover panel 104 of cylinder I 105 are hinged, and cylinder body and bearing pin I 106 are hinged.
The course of work: framework platform 62 is placed after sheet material 45 above, stretch out forward the part that needs bending, under 108 effects of cylinder II, gear rocking arm 107 driven gear 97 rotation that moves up, gear 97 is stirred tooth bar and is moved down and drive trave lling girder pull bar 100 also to move down, and in drives, trave lling girder 92, forming cutter 93 move down compression sheet material 45.The plane of bending turnover panel 104 corresponding sheet materials is rotated around the shaft to sheet material 45 upwards bendings.Bending exhaust hood I 105, cylinder II 108 set back, the equal return of each assembly.The workpiece of bending is taken out.That is: Pneumatic reverse turning bed bender is the set of gears by being driven by cylinder II 108, the transmission mechanism of tooth bar, trave lling girder 92 is moved up and down, and make forming cutter on trave lling girder 92 compress sheet material, the be limited inclined plane of the maximum bending angle of panel of forming cutter 93 upper surfaces; By cylinder I 105, make plane 103 rotations around the shaft of turnover panel 104 corresponding sheet materials to sheet material 45 upwards bendings, realize the unidirectional bending of sheet material.
Existing manual turnover panel bender, its basic structure is with identical with above-mentioned Pneumatic reverse turning bed bender to the wrap direction of sheet material; The moving up and down of trave lling girder on it, the rotation around the shaft of the plane of the corresponding sheet material of turnover panel, all completes manually.
By the introduction of above three kinds of bender Forging Process, can recognize that equipment is all to direction bending of sheet material, and above three kinds of equipment are due to structural limitations, also cannot be by two cover bending structures be installed, dog leg is carried out in realization in the situation that not stirring sheet material, as Z-shaped in sheet material being converted in the situation that not stirring sheet material.
There is following problem in the said equipment and processing method:
If it is Z-shaped that 1 sheet material requires to be converted into, operator needs feeding repeatedly, the bending material returned, turn-over, feeding, then bending.When batch production, the more difficult control of uniformity of size.And labor strength is large, is unfavorable for physical and mental health.
2, because non-cutting time in production process is too much, cause production efficiency low, production cost increases.
While 3, producing in enormous quantities, equipment is many, and operating personnel are many, and floor space is large.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to propose the two-way edge-folding mechanism of a kind of sheet material.
The utility model adopts following technical scheme for realizing its goal of the invention:
The two-way edge-folding mechanism of sheet material, includes frame, in order to the jack knife structure of bending sheets, in order to support the lower support cutter beam of sheet material and in order to compress the top sword beam of sheet material; Described lower support cutter beam, top sword beam are setting up and down, and described top sword beam is the structure that lower support cutter beam rises or declines relatively, need processing work or rising to unclamp workpiece with the involutory compression of described lower support cutter beam; Described jack knife structure is two covers setting up and down, in order to the upper jack knife structure of downward bending sheet material with in order to the lower jack knife structure of bending sheets upwards; The above and below that upper jack knife in described upper jack knife structure and lower jack knife structure, lower jack knife lay respectively at institute's processing work, two described jack knives are symmetrical arranged up and down; Two described jack knives connect firmly respectively on corresponding jack knife beam, connect firmly respectively on upper jack knife cutter beam and lower jack knife cutter beam; It is driving mechanism II, driving mechanism III that corresponding described upper jack knife cutter beam and lower jack knife cutter beam are respectively arranged with driving mechanism, the structure of described driving mechanism II, driving mechanism III is identical, described driving mechanism II, driving mechanism III have included drive part and leverage, the described leverage being connected with drive part connects jack knife beam, forming the moving jack knife of jack knife sill bolt, to take the fulcrum of leverage be the center of circle, do circular motion, the structure to sheet material bending downward or upward; The direction of rotation of described upper jack knife and lower jack knife, upper jack knife and the lower jack knife under corresponding driving mechanism effect be to rotate in opposite directions;
The movement locus of described upper jack knife, lower jack knife is a circular arc, and the formed circle of prolongation of described upper jack knife, lower jack knife movement locus intersects with the sheet material of processing.
The movement locus of described upper jack knife, lower jack knife is a circular arc, in the face of the center of circle in the face of the jack knife face of the fulcrum of leverage be the interior knife face of jack knife after making sheet material bending, contact with the outer surface of sheet material bending part.
One end of described leverage is that application point is connected with drive part, and being applied a little between the two ends of leverage of leverage, is connected with jack knife beam; The other end of described leverage is that fulcrum and frame are hinged.
One end of described leverage is that application point is connected with drive part, and the fulcrum of leverage is between the two ends of leverage, hinged with frame; The other end of described leverage is also applied a little and is connected with jack knife beam.
Described drive part adopts oil cylinder or cylinder, and described leverage is rocking arm; Described rocking arm one end be that application point is connected with oil cylinder or cylinder, being applied a little between the two ends of rocking arm of rocking arm, is connected with jack knife beam; The described rocking arm other end is that fulcrum and frame are hinged.
Described drive part adopts oil cylinder or cylinder, and described leverage is rocking arm; One end of described rocking arm is that application point is connected with oil cylinder or cylinder, and the fulcrum of rocking arm is between the two ends of rocking arm, hinged with frame; The other end of described rocking arm is also applied a little and is connected with jack knife beam.
The cam structure that described drive part adopts power section to drive
,described leverage is rocking arm; One end of described rocking arm is that the cam in application point and cam structure joins, and the fulcrum of rocking arm is between the two ends of rocking arm, hinged with frame; The other end of described rocking arm is also applied a little and is connected with jack knife beam.
Wherein, one end of described rocking arm is application point, by the cam in circular wheel and cam structure, forms Elastic Contact; The other end of rocking arm as application point and described jack knife beam for connecting firmly.
Be provided with the flexible push type broach assembly of binder, be provided with described top sword beam and be used in conjunction with, the flexible push type broach assembly of binder that institute's machining sheet is compressed; The flexible push type broach assembly of described binder is arranged on described top sword beam, the flexible push type broach assembly of described binder be structure identical and on described top sword beam symmetrically arranged two covers in left and right; The flexible push type broach assembly of described binder includes flexible push type broach, Telescopic pressing tool rest and oil cylinder or cylinder; On described Telescopic pressing tool rest, have with so that Telescopic pressing cutter along its slip the chute that is obliquely installed; Described flexible push type broach is connected with oil cylinder or cylinder, described flexible push type broach is also protruding downwards along the described chute on Telescopic pressing tool rest under oil cylinder or cylinder action, coordinate with top sword beam and compress sheet material, or, the structure of upwards also inwardly retracting along the described chute on Telescopic pressing tool rest under oil cylinder or cylinder action; Described flexible push type broach is dropping to after certain position with top sword beam, under the effect of oil cylinder or cylinder, described flexible push type broach is also protruding downwards along the chute on Telescopic pressing tool rest, coordinate with top sword beam and compress sheet material, after sheet material bending under the effect of oil cylinder or cylinder, described flexible push type broach upwards and is inwardly retracted along the chute on Telescopic pressing tool rest, unclamps sheet material, then with described top sword beam, rises.
The two-way edge-folding mechanism of a kind of sheet material the utility model proposes, adopt vertical folding knife structure to be rotated bending to the sheet material of needs processing, realized carrying out different angles bending to sheet material both direction with under a feed state, effectively reduced non-cutting time, improved operating efficiency; Can carry out bending and the folded limit of different angles simultaneously, flexible operation, and can guarantee to demonstrate,prove dimensional accuracy.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the A-A cutaway view of Fig. 1.
Fig. 5 is the B-B cutaway view of Fig. 1.
Fig. 6 is the structural representation that in the utility model, left binder is stretched cutter assembly.
Fig. 7 is the right view of Fig. 6.
Fig. 8 is the second structural representation of driving mechanism in the utility model.
Fig. 9 is the structural representation of feed mechanism in the utility model.
Figure 10 be lower jack knife at A place bending schematic diagram upwards.
Figure 11 be lower jack knife at B place bending schematic diagram upwards.
Figure 12 is that upper jack knife is at C place downward bending schematic diagram.
Figure 13 be lower jack knife at D place bending schematic diagram upwards.
Figure 14 be lower jack knife at E place bending schematic diagram upwards.
Figure 15 is bending and molding workpiece schematic diagram.
Figure 16 be lower jack knife at F place bending schematic diagram upwards.
Figure 17 is bending and molding workpiece schematic diagram.
Figure 18 is existing hydraulic bending press schematic diagram.
Figure 19 is the left view of existing Pneumatic reverse turning bed bender.
Figure 20 is the right view of existing Pneumatic reverse turning bed bender.
Figure 21 is the partial enlarged drawing of F part in Figure 19.
Figure 22 is framework platform in existing Pneumatic reverse turning bed bender and the schematic diagram of sheet material.
Figure 23 is the schematic diagram of the turnover panel in existing Pneumatic reverse turning bed bender.
In figure: 1, machine seat board, 2, side plate, 3, spacing axle, 4, underbeam, 5, lower push type broach, 6, top sword, 7, upper beam, 8, the right pressed seat of underbeam, 9, the right binder push type broach assembly that stretches, 10, upper beam front right slide block assembly, 11, oil cylinder I bearing pin, 12, oil cylinder I, 13, left slider assembly before upper beam, 14, the left binder push type broach assembly that stretches, 15, upper rocker arm axle, 16, encoder, 17, bottom rocker shaft, 18, the left pressed seat of underbeam, 19, cylinder bracket I, 20, oil cylinder hinge ear bearing pin, 21, oil cylinder II, 22, oil cylinder homalocephalus pin, 23, rocking arm I, 24, rocking arm II, 25, oil cylinder III, 26, cylinder bracket II, 27, left slider assembly after upper beam, 28, upper jack knife beam, 29, upper jack knife, 30, lower jack knife, 31, lower jack knife beam, 32, upper beam rear right slide block assembly, 33, upper slitter pressing plate, 34, left Telescopic pressing tool rest, 35, left flexible push type broach, 36, left flexible push type broach pressing plate, 37, left flexible push type broach pin, 38, cylinder flat head sleeve, 39, back-up ring I, 40, cylinder homalocephalus, 41, cylinder, 42, back-up ring II, 43, cylinder steady pin, 44, left flexible push type broach air cylinder fixed plate, 45, sheet material, 46, magnetic suction disc, 47, cylinder, 48, motor, 49, longitudinal movement rail, 50, transverse shifting guide rail, 51, drive sprocket, 52, by movable sprocket, 53, cam, 54, rocking arm, 61, frame, 62, framework platform, 63, counterdie, 65, jack knife, 66, jack knife beam, 67, drive oil cylinder, 92, upper trave lling girder, 93, forming cutter, 97, gear, 98, tooth bar, 99, rack guide rail, 100, upper trave lling girder pull bar, 101, slide, 102, rotating shaft cover, 103, rotating shaft, 104, bending turnover panel, 105, cylinder I, 106, bearing pin I, 107, gear rocking arm, 108, cylinder II, 109, bearing pin II.
The specific embodiment
The embodiment providing by reference to the accompanying drawings, is further illustrated the utility model:
As shown in Figure 1, the two-way edge-folding mechanism of a kind of sheet material, includes frame, in order to the jack knife structure to sheet material flanging, in order to support the lower support cutter beam of sheet material and in order to compress the top sword beam of sheet material; Described frame is tower structure, described frame includes machine seat board 1, side plate 2 and spacing axle 3, described side plate 2 is two, and the lower end of the side plate 2 described in two is fixed on machine seat board 1, between the side plate 2 described in two, by six roots of sensation spacing axle 3 setting up and down, is connected as a single entity; Described side plate 2 has to place the groove of lower support cutter beam; Described top sword beam, lower support cutter beam are setting up and down in frame, and described top sword beam includes top sword 6(and the involutory binder of lower push type broach) and upper beam 7; Described top sword 6 is fixed on the bottom of upper beam 7; Described lower support cutter beam includes lower push type broach 5(and the involutory binder of top sword) and underbeam 4; Described lower push type broach 5 is fixed on the top of underbeam 4; The two ends of described underbeam 4 lay respectively in the groove of two blocks of described side plates 2, and described underbeam 4 is fixing by the right pressed seat 8 of the underbeam that is fixed on side plate 2 inner sides and the left pressed seat 18 of underbeam; Corresponding described upper beam is provided with thinking that upper beam provides the oil cylinder I 12 of power on the side plate of the both sides of frame, described oil cylinder I 12 is two, oil cylinder I 12 described in two is separately fixed on the side plate 2 of frame both sides, in two oil cylinder I 12, have an oil cylinder at least for band cylinder displacement, make upper beam increase under the effect of oil cylinder I 12 and unclamp sheet material or decline compression sheet material.Described jack knife structure includes jack knife, jack knife beam and sheet material is carried out to the driving mechanism of flanging in order to drive jack knife to do circular motion; Described jack knife structure is two covers setting up and down, in order to the upper jack knife structure of downward bending sheet material with in order to the lower jack knife structure of bending sheets upwards, the above and below that upper jack knife 29 in described upper jack knife structure and lower jack knife structure, lower jack knife 30 lay respectively at added sheet material, upper jack knife 29, lower jack knife 30 are symmetrical arranged up and down; Upper jack knife 29, lower jack knife 30 connect firmly respectively on corresponding jack knife beam, connect firmly respectively on upper jack knife beam 28 and lower jack knife beam 31; It is driving mechanism II, driving mechanism III that corresponding described upper jack knife beam 28 and lower jack knife beam 31 are respectively arranged with driving mechanism, the structure of described driving mechanism II, driving mechanism III is identical, described driving mechanism II, driving mechanism III have included drive part and leverage, the described leverage being connected with drive part acts on jack knife beam, making the moving jack knife of jack knife sill bolt take the fulcrum of leverage is the center of circle, do circular motion, to sheet material bending downward or upward.
Be provided with the slide block assembly in order to upper beam rise and fall; Described slide block assembly is four: left slider assembly 27 after left slider assembly 13, upper beam rear right slide block assembly 32, upper beam before upper beam front right slide block assembly 10, upper beam; Before described upper beam front right slide block assembly 10, upper beam, after left slider assembly 13, upper beam rear right slide block assembly 32, upper beam, left slider assembly 27 structures are identical; Described slide block assembly comprises slide track seat, slide rail and slide block; Described slide track seat is fixed on side plate 2, and described slide rail is fixed on slide track seat; Described slide block is fixed on upper beam, and coordinates with described slide rail.
In conjunction with Fig. 2, Fig. 3, Fig. 4, Fig. 5, described upper jack knife structure includes jack knife 29, upper jack knife beam 28 and driving mechanism II; Described lower jack knife structure includes lower jack knife 30, lower jack knife beam 31 and driving mechanism III; The structure of described driving mechanism II, driving mechanism III is identical; Described driving mechanism II, driving mechanism III have included drive part and leverage, the described leverage being connected with drive part acts on jack knife beam, making the moving jack knife of jack knife sill bolt take the fulcrum of leverage is the center of circle, does circular motion, to sheet material bending downward or upward.In this embodiment, the drive part in driving mechanism adopts oil cylinder, and the leverage in driving mechanism is rocking arm; The driving mechanism II of corresponding described upper jack knife beam setting includes oil cylinder II 21, rocking arm I 23; One end of described rocking arm I 23 is that application point is connected with oil cylinder II 21; being applied a little between the two ends of rocking arm I 23 of rocking arm I 23; connect firmly with upper jack knife beam 28; other end of described rocking arm I 23 is fulcrum; be hinged in frame, and the other end of rocking arm I 23 is hinged on the side plate 2 of frame by upper rocker arm axle 15; Described driving mechanism II is two covers, and the described driving mechanism II structure of two covers is identical and be symmetricly set on the two ends of described upper jack knife beam 28, drives described upper jack knife beam to make circular arc and rotates; The driving mechanism III that corresponding described lower jack knife beam 31 arranges includes oil cylinder III 25, rocking arm II 24; One end of described rocking arm II 24 is that application point is connected with oil cylinder III 25, and the fulcrum of rocking arm II 24 is between the two ends of rocking arm II 24, hinged with frame, and rocking arm II 24 is hinged on the side plate 2 of frame by bottom rocker shaft 17; The other end of described rocking arm II 24 is also applied a little and connects firmly with lower jack knife beam 31.Described driving mechanism III is two covers, and the described driving mechanism III structure of two covers is identical and be symmetricly set on the two ends of described lower jack knife beam 31, drives described lower jack knife beam to make circular arc and rotates.The movement locus of described upper jack knife 29, lower jack knife 30 is a circular arc, in the face of the center of circle in the face of the jack knife face of the fulcrum of leverage be the interior knife face of jack knife after making sheet material bending, contact with the outer surface of sheet material bending part.Upper jack knife 29, lower jack knife 30 are faced the jack knife face in the center of circle, are the interior knife face of jack knife; Also the interior knife face that the knife face that is nearly leverage and frame pin joint is jack knife.The cutter head of described upper jack knife is gone up the lower surface that jack knife is corresponding with workpiece is plane or inclined-plane, and the cutter head of lower jack knife descends the upper surface that jack knife is corresponding with workpiece is plane or inclined-plane.
Encoder 16(STE high accuracy 18000 lines are set on rocking arm), in order to angle of revolution, measure.
Be provided with the flexible push type broach assembly of binder, be provided with described upper beam 7 and be used in conjunction with, the flexible push type broach assembly of binder that institute's machining sheet is compressed; The flexible push type broach assembly of described binder is arranged on described upper beam 7, the flexible push type broach assembly of described binder be structure identical and on described upper beam symmetrically arranged two covers in left and right; The flexible push type broach assembly of the described binder of every cover includes flexible push type broach, Telescopic pressing tool rest and oil cylinder or cylinder; On described Telescopic pressing tool rest, have with so that Telescopic pressing cutter along its slip the chute that is obliquely installed; Described flexible push type broach is connected with oil cylinder or cylinder, in this embodiment, adopts cylinder; Described flexible push type broach is also protruding downwards along the described chute on Telescopic pressing tool rest under cylinder action, and coordinate with upper beam and compress sheet material, or, under cylinder action, along the described chute on Telescopic pressing tool rest, make progress and inwardly retraction.Described flexible push type broach is dropping to after certain position with upper beam, under the effect of cylinder, also protruding downwards along the chute on Telescopic pressing tool rest, coordinate with upper beam and compress sheet material, after sheet material bending under the effect of cylinder, described flexible push type broach upwards and is inwardly retracted along the chute on Telescopic pressing tool rest, unclamps sheet material, then with described upper beam, rises.As shown in Figure 1, the two ends of described upper beam are respectively arranged with the flexible push type broach assembly of binder, i.e. the flexible push type broach assembly 9 of the flexible push type broach assembly 14 of left binder and right binder, and the flexible push type broach assembly 14 of described left binder is identical with flexible push type broach assembly 9 structures of right binder; With reference to Fig. 6, Fig. 7, the structure of the flexible push type broach assembly of left binder is illustrated; The flexible push type broach assembly 14 of described left binder comprises left flexible push type broach 35, left Telescopic pressing tool rest 34 and cylinder 41; The flexible push type broach assembly 14 of described left binder is fixed on upper beam 7 by upper slitter pressing plate 33, and described upper slitter pressing plate 33 is pressed in the groove arranging on left Telescopic pressing tool rest 34; The flexible push type broach assembly 14 of described left binder can be moved up and down with upper beam; On described left Telescopic pressing tool rest 34, have the chute along its slip in order to the flexible push type broach 35 in a left side, described chute is the skewed slot being obliquely installed; The flexible push type broach 35 in a described left side is positioned at the chute of left Telescopic pressing tool rest 34, and the flexible push type broach 35 in a described left side is threaded with left flexible push type broach pin 37, and the other end of left flexible push type broach pin 37 is connected with cylinder homalocephalus 40; Described cylinder homalocephalus 40 is connected with the piston rod thread of cylinder 41; The cylinder body of described cylinder 41 is fixed in left flexible push type broach air cylinder fixed plate 44 by cylinder steady pin 43, the flexible push type broach air cylinder fixed plate 44 in a described left side connects firmly with left Telescopic pressing tool rest 34, the flexible push type broach 35 in a described left side is being dropped to after certain position with upper beam, under the effect of cylinder, the flexible push type broach 35 in a described left side downwards, outwards moves and compresses sheet material 45 or under the effect of cylinder along the chute on left Telescopic pressing tool rest 34, the flexible push type broach 35 in a described left side makes progress, inwardly moves and unclamp sheet material 45 along the chute on left Telescopic pressing tool rest 34, then with described upper beam, rises.
As shown in Figure 8, the drive part in described driving mechanism II, driving mechanism III adopts the cam structure that power section drives
,power section in described drive part adopts motor, reductor and sprocket wheel, chain structure; The drive sprocket 51 being driven by motor, reductor drive on cam structures by movable sprocket 52, cam 53 is rotated, the leverage in described driving mechanism is Rocker arm 54; One end of described Rocker arm 54 is that application point and cam 53 structures are joined, and the fulcrum of Rocker arm 54 is between the two ends of rocking arm, hinged with frame; The other end of described rocking arm is also applied a little and is connected with jack knife beam.Wherein, one end of described Rocker arm 54 is application point, by circular wheel and cam structure, forms Elastic Contact; As described rocking arm one end of rocking arm application point and described jack knife beam for connecting firmly.
Feeding can adopt finger feed mechanism or artificial feeding; The structure of finger feed mechanism is mature technology and at present structure just is in use more.In this embodiment, the finger feed mechanism that adopts accompanying drawing 9 to provide; Include the magnetic suction disc 46 in order to adsorbent 45, in order to promote sheet material to the cylinder 47 of operating position by magnetic suction disc 46, in order to the motor 48 that drives magnetic suction disc to rotate, motor 48 can adopt servomotor; Longitudinal movement rail 49, transverse shifting guide rail 50 that magnetic suction disc (comprising cylinder 47, motor 48) is moved as vertical and horizontal along it; Described transverse shifting guide rail 50 is connected on the support of described finger feed mechanism; Described cylinder 47, motor 48 and magnetic suction disc are connected on described longitudinal movement rail 49, and cylinder 47, motor 48 and magnetic suction disc are along the longitudinal movement servomotor, tooth bar, gear structure that guide rail 49 moves is set; Described servomotor, tooth bar, gear structure also can be servomotor, ball screw arrangement; Described longitudinal movement rail 49 is arranged on transverse shifting guide rail 50, and servomotor, tooth bar, gear structure that longitudinal movement rail 49 is moved along transverse shifting guide rail 50 are set; And can be with dynamic air cylinder 47, motor 48 and magnetic suction disc move along transverse shifting guide rail 50; Described servomotor, tooth bar, gear structure also can be servomotor, ball screw arrangement; Described magnetic suction disc also can be vacuum cup.
Take accompanying drawing 15 as example explanation workpiece flanging operation:
Magnetic suction disc sorption sheet material rises to behind operating position under the piston rod of cylinder drives, and magnetic suction disc transverse shifting, makes sheet material center overlap with equipment center, and magnetic suction disc is along moving guide rail to device orientation feeding.
1) when sheet material bending part A is sent to top sword, lower push type broach knife-edge part, top sword declines and compresses sheet material, and lower jack knife rotation makes sheet material by upwards bending (seeing accompanying drawing 10), and lower jack knife resets, and top sword rises and unclamps sheet material.
2) magnetic suction disc needs bending part B to deliver to top sword, lower push type broach knife-edge part sheet material, and top sword declines and compresses sheet material, and lower jack knife rotation makes sheet material by upwards bending (seeing accompanying drawing 11), and lower jack knife resets, and top sword rises and unclamps sheet material.
3) magnetic suction disc needs bending part C to deliver to sheet material and presses up and down knife-edge part, and top sword declines and compresses sheet material, and upper jack knife rotation makes sheet material by downward bending (seeing accompanying drawing 12), and upper jack knife resets, and top sword rises and unclamps sheet material.
4) magnetic suction disc needs bending part D to deliver to sheet material and presses up and down knife-edge part, and top sword declines and compresses sheet material, and lower jack knife rotation makes sheet material by upwards bending (seeing accompanying drawing 13), and upper jack knife resets, and top sword rises and unclamps sheet material.
5) magnetic suction disc makes sheet material from pressing up and down knife-edge part all to exit, and resets.Motor 48 makes magnetic suction disc start feeding with sheet material Rotate 180 °.
6) magnetic suction disc is delivered to sheet material bending part E to press up and down knife-edge part, and top sword declines and compresses sheet material, lower jack knife rotation, and sheet material is by upwards bending (seeing accompanying drawing 14), and lower jack knife resets, and top sword rises and unclamps sheet material.
Accompanying drawing 15 is plate forming figure.
The bending operation that the accompanying drawing 16,17 of take stretches push type broach as example explanation band; Wherein, accompanying drawing 16 is for to carry out the schematic diagram after bending to sheet material rear and front end.Bending need to make progress at F place.
Magnetic suction disc half-twist, need bending part F to deliver to sheet material and press up and down knife-edge part, top sword decline to compress sheet material, is positioned at the flexible push type broach assembly in a left side of the upper beam left and right sides, the flexible push type broach on right flexible push type broach assembly extend into bending part, sheet material rear and front end along chute, and compresses simultaneously; Lower jack knife rotation, sheet material is by upwards bending (seeing accompanying drawing 17), and lower jack knife resets, and flexible push type broach is regained along chute, and top sword rises and unclamps sheet material.Magnetic suction disc makes sheet material from pressing up and down knife-edge part all to exit, and resets.
Accompanying drawing 17 is the schematic diagram after plate forming.
Claims (9)
1. the two-way edge-folding mechanism of sheet material, includes frame, in order to the jack knife structure of bending sheets, in order to support the lower support cutter beam of sheet material and in order to compress the top sword beam of sheet material; Described lower support cutter beam, top sword beam are setting up and down, and described top sword beam is the structure that lower support cutter beam rises or declines relatively, need machining sheet or rising to unclamp sheet material with the involutory compression of described lower support cutter beam; It is characterized in that: described jack knife structure is two covers setting up and down, in order to the upper jack knife structure of downward bending sheet material with in order to the lower jack knife structure of bending sheets upwards; Upper jack knife (29) in described upper jack knife structure and lower jack knife structure, lower jack knife (30) lay respectively at the above and below of institute's machining sheet, and two described jack knives are symmetrical arranged up and down; Two described jack knives connect firmly respectively on corresponding jack knife beam, connect firmly respectively on upper jack knife beam (28) and lower jack knife beam (31); It is driving mechanism II, driving mechanism III that corresponding described upper jack knife beam (28) and lower jack knife beam (31) are respectively arranged with driving mechanism, the structure of described driving mechanism II, driving mechanism III is identical, and described driving mechanism II, driving mechanism III have included drive part and leverage; The described leverage being connected with drive part connects jack knife beam, and forming the moving jack knife of jack knife sill bolt, to take the fulcrum of leverage be the center of circle, does circular motion, the structure to sheet material bending downward or upward; The direction of rotation of described upper jack knife (29) and lower jack knife (30), the upper jack knife under the corresponding driving mechanism effect of institute and lower jack knife are rotation in opposite directions.
2. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: the movement locus of described upper jack knife (29), lower jack knife (30) is a circular arc, the formed circle of prolongation of described upper jack knife (29), lower jack knife (30) movement locus intersects with the sheet material of processing.
3. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: the movement locus of described upper jack knife (29), lower jack knife (30) is a circular arc, in the face of the center of circle in the face of the jack knife face of the fulcrum of leverage be the interior knife face of jack knife after making sheet material bending, contact with the outer surface of sheet material bending part.
4. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: one end of described leverage is that application point is connected with drive part, being applied a little between the two ends of leverage of leverage, is connected with jack knife beam; The other end of described leverage is that fulcrum and frame are hinged.
5. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: one end of described leverage is that application point is connected with drive part, and the fulcrum of leverage is between the two ends of leverage, hinged with frame; The other end of described leverage is also applied a little and is connected with jack knife beam.
6. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: described drive part adopts oil cylinder or cylinder, and described leverage is rocking arm; Described rocking arm one end be that application point is connected with oil cylinder or cylinder, being applied a little between the two ends of rocking arm of rocking arm, is connected with jack knife beam; The described rocking arm other end is that fulcrum and frame are hinged.
7. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: described drive part adopts oil cylinder or cylinder, and described leverage is rocking arm; One end of described rocking arm is that application point is connected with oil cylinder or cylinder, and the fulcrum of rocking arm is between the two ends of rocking arm, hinged with frame; The other end of described rocking arm is also applied a little and is connected with jack knife beam.
8. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: the cam structure that described drive part adopts power section to drive, described leverage is rocking arm (54); One end of described rocking arm is that the cam (53) in application point and cam structure joins, and the fulcrum of rocking arm is between the two ends of rocking arm, hinged with frame; The other end of described rocking arm (54) is also applied a little and is connected with jack knife beam; Wherein, one end of described rocking arm (54) is application point, by the cam in circular wheel and cam structure (53), forms Elastic Contact; The other end of rocking arm is as being applied a little with described jack knife beam as connecting firmly.
9. according to the two-way edge-folding mechanism of sheet material claimed in claim 1, it is characterized in that: on described top sword beam, be provided with the flexible push type broach assembly of binder, be provided with described top sword beam and be used in conjunction with, the flexible push type broach assembly of binder that institute's machining sheet is compressed; The flexible push type broach assembly of described binder be structure identical and on described top sword beam symmetrically arranged two covers in left and right; The flexible push type broach assembly of described binder includes flexible push type broach, Telescopic pressing tool rest and oil cylinder or cylinder; On described Telescopic pressing tool rest, have with so that Telescopic pressing cutter along its slip the chute that is obliquely installed; Described flexible push type broach is connected with oil cylinder or cylinder, described flexible push type broach is also protruding downwards along the described chute on Telescopic pressing tool rest under oil cylinder or cylinder action, coordinate with top sword beam and compress sheet material, or, the structure of upwards also inwardly retracting along the described chute on Telescopic pressing tool rest under oil cylinder or cylinder action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541116.7U CN203494966U (en) | 2013-09-02 | 2013-09-02 | Bidirectional sheet edge bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541116.7U CN203494966U (en) | 2013-09-02 | 2013-09-02 | Bidirectional sheet edge bending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203494966U true CN203494966U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541116.7U Withdrawn - After Issue CN203494966U (en) | 2013-09-02 | 2013-09-02 | Bidirectional sheet edge bending mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN203494966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433342A (en) * | 2013-09-02 | 2013-12-11 | 洛阳市宇龙办公机具有限公司 | Bidirectional edge folding mechanism for sheet material |
| CN109047398A (en) * | 2018-08-15 | 2018-12-21 | 姜云峰 | A kind of sheet fabrication center |
-
2013
- 2013-09-02 CN CN201320541116.7U patent/CN203494966U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433342A (en) * | 2013-09-02 | 2013-12-11 | 洛阳市宇龙办公机具有限公司 | Bidirectional edge folding mechanism for sheet material |
| CN109047398A (en) * | 2018-08-15 | 2018-12-21 | 姜云峰 | A kind of sheet fabrication center |
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