CN204583936U - A kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate - Google Patents

Abstract

The invention discloses a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate, comprise platform before frame, bending oil cylinder, band liner plate mold, band liner plate bed die, upper demoulding oil jar, bottom knockout oil cylinder, hydraulic system, screw blank centering device, assist device and machine, described bending oil cylinder couples together frame and band liner plate mold; Described upper demoulding oil jar piston rod can be worn from band liner plate mold inside and solve modulus problem folder; Described band liner plate bed die is connected on frame sill; Described bottom knockout oil cylinder couples together stripper plate through band liner plate bed die; Described assist device is connected on band liner plate bed die; Under described screw blank centering device connection frame on box-girder; Described hydraulic system connects each operating cylinder by oil circuit; Before described machine, platform is arranged on before frame charging aperture; Advantage of the present invention is the liner plate by more mold exchange different-thickness, can produce the U-shaped beam of different in width.

Description

A kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate

Technical field

The invention belongs to machining manufacturing equipment field, refer more particularly to the special equipment of a kind of weighing apparatus production and a kind of U-shaped beam forming machine.

Background technology

As shown in Figure 1, a kind of U-lag girder steel (being called for short U-shaped beam), being important component part during existing automobile weighing scale platform manufactures, is main spandrel girder in weighing platform structure, and the automobile load of tens tons, up to a hundred tons is welded to form weighing platform to bear primarily of the U-shaped beam of these varying numbers and intensity; Different according to magnitude of load, these U-shaped depths of beam, length are different, and some thicknesss of slab are different, and some width are different; Current weighing apparatus manufacturer mainly conventional U-shaped trammel lattice is the U-shaped beams according to the supporting differing heights of different tonnage and length, highly general at 250mm to 500mm, length is generally at 4m to 9m, the each producer of width differs, general at 200mm to 300mm, it is generally identical that each producer commonly uses U-shaped beam width, also has individual product to use different in width U-shaped beam; It is all fold at the upper a lot of of bender (a kind of standard machine tool) by manually lifting band steel (blank is band steel) that existing weighing apparatus producer processes these U-shaped beams, needs multiple tracks bending to be repeatedly shaped; In conventional U-shaped beam, longer Yi Tiaoliang weighs about 400kg, and need five to six people able-bodied laborers to operate, general U-shaped beam also wants 3 ~ 4 operative, and labour intensity is large; A lot of producer has to that long beam is changed into more piece short beam and respells weldering and form, and efficiency is low, poor quality.

Summary of the invention

The object of the invention is to overcome above-mentioned prior art weak point and a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate is provided, it is a kind of special equipment, want technical solution problem to be: the U-shaped beam that described shaping function mould is once suppressed, and can many specification products such as different in width be produced, the demoulding is wanted easily, reach that yield rate is high, good product quality, production efficiency are high, labour intensity is little, use labour less, save production cost.

For achieving the above object, the present invention is achieved through the following technical solutions:

A kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate, comprise platform 10 before frame 1, bending oil cylinder 2, band liner plate mold 4, band liner plate bed die 7, upper demoulding oil jar 3, bottom knockout oil cylinder 5, hydraulic system 30, screw blank centering device 8, assist device 9 and machine, described multiple bending oil cylinder 2 cylinder body is connected on described frame 1 entablature 12, described bending oil cylinder 2 piston rod is connected with described band liner plate mold 4 by piston Connection Block 26, described upper demoulding oil jar 3 cylinder body by Flange joint on the cylinder flange seat 13 of the entablature of frame 1, can wear from band liner plate mold 4 port 41 during described upper demoulding oil jar 3 piston rod telescopic movable, when after the molding of band liner plate mold 4, if U-shaped beam can clamp mold, now start upper demoulding oil jar 3, upper demoulding oil jar piston rod stretches out and U-shaped beam will be pushed, and solves the upper modulus problem of folder, described band liner plate bed die 7 is connected with frame 1 with bolt 77 by L shape pressing plate 75, such permission frame upper/lower die fixing threaded hole 16 position relatively large deviation, band liner plate bed die 7 can be fixed on tram, and utilize the elastic reaction of L shape pressing plate 75, band liner plate bed die is connected more firm, described multiple bottom knockout oil cylinder 5 back seat is connected in the lower box-girder 14 of frame 1, described multiple bottom knockout oil cylinder 5 piston rod is connected with stripper plate 6 by bolt through band liner plate bed die 7, U-shaped beam is after band liner plate bed die 7 internal shaping, tightly can be stuck in band liner plate bed die groove, need bottom knockout oil cylinder 5 to head on stripper plate 6 U-shaped back out, described assist device 9 is connected on band liner plate bed die 7, when blank advances time, is pressed on the bearing 92 on assist device 9, and by the rolling of bearing 92, such travelling stock is just very easy and convenient, described two cover screw blank centering devices 8 are connected on the centralising device installing port 18 of frame, and make the swing arm 81 that moves to left in screw blank centering device 8 be positioned at band liner plate bed die 7 both sides close to symmetric position with the swing arm 82 that moves to right, to be made it by fine setting regulating arm 814 and the swing arm 82 of moving to right keeps symmetry distance with the center line of band liner plate bed die 7, like this when blank advances, as long as the handwheel 87 in shake screw blank centering device, now move to left swing arm 81 and the synchronous past interior movement of the swing arm 82 that moves to right, just blank can be moved to the center of band liner plate bed die 7, complete the work of blank centering, described hydraulic system 30 is arranged on frame 1 top or can is independently arranged near frame, is connected to bending oil cylinder 2, bottom knockout oil cylinder 5, upper demoulding oil jar 3, controls corresponding cylinder efficient by hydraulic oil pipe system by oil circuit, before described machine, platform 10 is arranged on before frame 1 charging aperture, and blank is come by crane for hoisting, is placed on before machine above platform 10, more manually push carry out above band liner plate bed die 7 compressing, when U-shaped beam is after the demoulding of band liner plate bed die 7, now operating personnel by small tool (as homalocephalus crowbar, or Flathead screwdriver), U-shaped beam is pried open from stripper plate 6, then bottom U-shaped beam, plug several pre-prepd little round steel (little round steel is also reused as instrument) use as roller, such operating personnel just easily can release the U-shaped beam be shaped before machine platform 10 above stripper plate 6, then hang away with crane, complete a working cycles, by the different-thickness of abrasion-proof backing block 78 in the liner plate 44 in belt replacement liner plate mold 4 and band liner plate bed die 7, just can suppress the U-shaped beam of different in width, make this U-shaped beam shaping function produce the product of the many specifications of multi items, better meet Production requirement.

Wherein, described frame 1 comprises multiple closed memorial archway 11, described closed memorial archway 11 is welded by steel plate or shaped steel, between described closed memorial archway 11, top is coupled together by the entablature 12 of Plate Welding, is welded with cylinder flange dish 13 for connecting bending oil cylinder 2 and upper demoulding oil jar 3 below described entablature 12; Between described closed memorial archway 11, bottom is coupled together by the lower box-girder 14 of Plate Welding, and described lower box-girder 14 is provided with bottom knockout oil har opening 15 and bed die fixing threaded hole 16 above; Described lower box-girder 14 inside is provided with bottom knockout oil cylinder and connects bearing for fixing bottom knockout oil cylinder 5; Described lower box-girder 14 is provided with centralising device installing port 18 for installing standing screw formula blank centering device 8; Be provided with lower margin hole 17 bottom described closed memorial archway 11 to can be used for being connected with foot bolt fundamentally, ensure that frame is more stable.

Wherein, described bending oil cylinder 2 cylinder body is provided with flange connecting hole 21, and piston rod is provided with spill circle 22; Described bending oil cylinder 2 piston is coupled together with bolt 27 by piston Connection Block 26 and two panels inserted sheet pin 25; Described piston Connection Block 26 is provided with piston hole 261 and cotter way 263 and screw 262; Described inserted sheet pin 25 is provided with arc groove 251 and through hole 252, the spill circle 22 on the arc groove 251 seized piston bar on inserted sheet pin, and such bending oil cylinder 2 has connected with piston Connection Block 26.

Wherein, described band liner plate mold 4 becomes box girder structure by Plate Welding; Base plate 42 both sides of described band liner plate mold 4 are provided with multiple connecting screw hole 421; Described base plate 42 both sides are coupled together liner plate 44 by screw 43; Described liner plate 44 is provided with counter sink 441; Described band liner plate mold 4 near middle arranges one or two ports 41 and therefrom wears for allowing upper demoulding oil jar piston rod, plays upper demoulding effect; Piston Connection Block 26 is welded with above described band liner plate mold 4.

Wherein, described band liner plate bed die 7 is welded by two pieces of risers 71 and one piece of base plate 72 and some gussets 73; Described base plate 72 centre position arranges several large round mouths 74; Abrasion-proof backing block 78 is provided with inside described two pieces of risers 71, described abrasion-proof backing block 78 is provided with counter sink 79, described abrasion-proof backing block 78 is connected with riser 71 by screw 781, when equipment Reusability time, abrasion-proof backing block 78 more can stand use, can change after abrasion-proof backing block 78 damages, avoid whole bed die to scrap; Described base plate 72 both sides are provided with fixing assist device connecting hole 76; Described band liner plate bed die 7 both sides are connected with frame 1 with bolt 77 with multiple L shape pressing plate 75; Described L shape pressing plate 75 is provided with through hole 751.

Wherein, described bottom knockout oil cylinder 5 back seat is provided with connecting hole 51 and is connected with the bottom knockout cylinder support of box-girder under frame 14 inside, and bottom knockout cylinder piston rod is provided with connecting screw hole 52 and is connected with stripper plate 6.

Wherein, described stripper plate 6 is provided with counter sink 61 be connected with bottom knockout oil cylinder 5, under head of screw sinks to stripper plate flush by screw.

Wherein, described screw blank centering device 8 comprises the swing arm 81 that moves to left, the swing arm 82 that moves to right, the axis of guide 83, screw rod 84 and mounting 85, the described swing arm 81 that moves to left is provided with left pilot hole 811 and left-hand thread hole 812, described swing arm 81 top that moves to left is provided with arm aperture 813, and described arm aperture 813 is connected with regulating arm 814 by nut 815; The described swing arm 82 that moves to right is provided with right pilot hole 821 and right-hand thread hole 822; Described screw rod 84 two ends are respectively equipped with left stud 841 and right stud 842, the described upper left stud of screw rod 84 841 and right stud 842 are connected with the right-hand thread hole 822 moved to right on swing arm with the above-mentioned left-hand thread hole 812 moved to left on swing arm respectively, described screw rod 84 two ends are connected to mounting 85 both sides respectively by two bearing blocks 86, and described screw rod 84 one end connects handwheel 87; The above-mentioned axis of guide 83 connects the left pilot hole 811 moved to left on swing arm and the right pilot hole 821 moved to right on swing arm respectively, and the described axis of guide 83 two ends are connected to mounting 85 both sides respectively by two blind flanges 88; In the lower box-girder that described mounting 85 is fixedly connected on frame 1 and make to move to left swing arm 81 and the swing arm 82 that moves to right lay respectively at band liner plate bed die 7 both sides close to symmetric position; By the position of fine setting regulating arm 814, keep move to left swing arm 81 and move to right swing arm 82 and band liner plate bed die 7 position of center line symmetry.

Wherein, described assist device 9 comprises supporting seat 91, bearing 92, and described supporting seat 91 is provided with connecting hole 911, and described supporting seat 91 is bolted on band liner plate bed die 7; Described bearing 92 is connected with bearing pin 93; Described bearing pin 93 is coupled together with supporting seat 91 by connecting hole 911 and nut 94; When blank advances time, be pressed on the bearing 92 on assist device 9, by the rolling of bearing 92, such travelling stock is just very easy and convenient.

Wherein, before described machine, platform 10 comprises platform support 101, and described platform support 101 arranges multiple boosting cylinder 102, and described boosting cylinder 102 inside is provided with bearing and can rotates around cylinder mandrel flexibly; When blank hangs after on boosting cylinder 102, just can promote easily.

Beneficial effect of the present invention is: novel structure, and hydraulic control is easy to operate; The U-shaped beam once suppressed by the upper and lower mould of band liner plate can ensure that dimensionally stable, quality are good, forming speed is fast; Due to the high-abrasive material plate of the replaceable different-thickness of the liner plate on upper and lower mould, therefore the gap of different in width can be formed between upper and lower mould, so just can process the blank of different-thickness, produce the U-shaped beam of varying strength, the U-shaped beam of different in width can also be processed; Namely many specifications U-shaped beam product can just be produced by the different-thickness of the upper and lower mould liner plate of adjustment; Also beneficial is when after mould excessive wear, as long as change liner plate just can recover normal use, avoids whole set of die to scrap, saves use cost; Bending cylinder piston rod is connected with band liner plate mold by piston Connection Block, and such anatomical connectivity bolt is few, dismounting quick, maintain and replace mould is convenient; Band liner plate bed die is connected with frame by L shape pressing plate, even if fixing threaded hole position exists relatively large deviation in such syndeton frame, band liner plate bed die can be fixed on tram, Joining Technology is ingenious; Upper and lower demoulding oil jar can ensure the demoulding of finished product fast and easy, solves finished product and is stuck in the problem of can not getting out on mould; Multiple bottom knockout oil cylinder is connected to stripper plate, and bottom U-shaped beam the U-shaped corbel be stuck in groove out by stripper plate holder, such whole piece U-shaped beam stress uniform shape does not change, and ensures that finished appearance quality is good; Likely first bottom knockout oil cylinder is started during stripping operation, the U-shaped beam of finished product is ejected together with band liner plate mold from band liner plate bed die, when such band liner plate mold continues to rise, some U-shaped beam likely can clamp band liner plate mold, as long as now start upper demoulding oil jar, its piston rod stretches out and U-shaped beam will be pushed from band liner plate mold, solves the upper modulus problem of folder easily; Before assist device, machine, platform can keep travelling stock or mobile finished product to operate easy and convenient; Blank be pressed in the bearing in assist device rolls light very flexibly; Screw blank centering device controls blank and enters after above band liner plate bed die, and the center line that must control blank before compacting is identical with the center line of mould, and the product size symmetry that this makes it possible to ensure to suppress out is qualified, yield rate is high; The regulating arm that the swing arm that moves to left in screw blank centering device is arranged can be used for inching, correct due to installation deviation between centralising device and frame, ensure blank center line to be moved to by the control of screw blank centering device to overlap with mold center line; The present invention support the use screw blank centering device can ensure mechanism allow in the blank of various width can accurate centering, work as long as shake handwheel just can complete centering, being particularly suitable for blank is not that very heavy manufacturer configures, and cost is also inexpensive; Finished product U-shaped beam can be inserted in bottom U-shaped beam by several little round steel and use as roller, releases frame, then hang away with crane above stripper plate; As long as this equipment one people can complete production operation under having crane to assist; Therefore equipment of the present invention can produce the U-shaped beam product of many specifications of different in width and different thickness of slab, can reach that quality is good, yield rate is high, production efficiency is high, labour intensity is little, less with labour, the effect such as save production cost.

Accompanying drawing explanation

Fig. 1 existing U-lag steel beam structure schematic diagram;

Fig. 2 structural front view of the present invention;

Fig. 3 structure side view of the present invention (not containing platform before machine);

Fig. 4 mid frame structural upright of the present invention schematic diagram;

Bending oil cylinder syndeton schematic diagram in Fig. 5 the present invention;

Fig. 6 is the piston connecting base structure schematic diagram in Fig. 5;

Fig. 7 is the inserted sheet latch structure schematic diagram in Fig. 5;

Liner plate upper die structure schematic diagram is with in Fig. 8 the present invention;

Be with liner plate lower die structure in Fig. 9 the present invention and be fixedly connected with schematic diagram;

Bottom knockout oil cylinder syndeton schematic diagram in Figure 10 the present invention;

Stripper plate structural representation in Figure 11 the present invention;

Screw blank centering device structural representation in Figure 12 the present invention;

Assist device structural representation in Figure 13 the present invention.

Detailed description of the invention

Now by reference to the accompanying drawings, the specific embodiment of the invention is described in detail in detail:

As shown in Figure 2 and Figure 3, a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate, comprise platform 10 before frame 1, bending oil cylinder 2, band liner plate mold 4, band liner plate bed die 7, upper demoulding oil jar 3, bottom knockout oil cylinder 5, hydraulic system 30, screw blank centering device 8, assist device 9 and machine, described multiple bending oil cylinder 2 cylinder body is connected on described frame 1 entablature, described bending oil cylinder 2 piston rod is connected with described band liner plate mold 4 by piston Connection Block 26, inserted sheet pin 25, bolt 27, described upper demoulding oil jar 3 cylinder body by Flange joint on the entablature of frame 1, can pass through from band liner plate mold 4 inside during described upper demoulding oil jar 3 piston rod telescopic movable, when after the molding of band liner plate mold 4, if U-shaped beam can clamp band liner plate mold 4, now start upper demoulding oil jar 3, upper demoulding oil jar piston rod stretches out and U-shaped beam will be pushed, and solves the upper modulus problem of folder, described band liner plate bed die 7 is connected with frame 1 with bolt by L shape pressing plate 75, allows frame upper/lower die fixing threaded hole position relatively large deviation like this, and utilizes the elastic reaction of L shape pressing plate 75, make band liner plate bed die 7 be connected more firm with frame 1, described multiple bottom knockout oil cylinder 5 back seat is connected in the lower box-girder of frame 1, and described multiple bottom knockout oil cylinder 5 piston rod is connected with stripper plate 6 by bolt through band liner plate bed die 7, U-shaped beam, after band liner plate bed die 7 internal shaping, tightly can be stuck in band liner plate bed die groove, need bottom knockout oil cylinder 5 to head on stripper plate 6 U-shaped back out, described assist device 9 is connected on band liner plate bed die 7, when blank advances time, is pressed on the bearing of assist device 9, and by the rolling of bearing, such travelling stock is just very easy and convenient, described two cover screw blank centering devices 8 are connected on the centralising device installing port in frame, and make the swing arm that moves to left in screw blank centering device 8 lay respectively at band liner plate bed die 7 both sides close to symmetric position with the swing arm that moves to right, to be made it by fine setting regulating arm and the swing arm that moves to right keeps symmetry distance with the center line of band liner plate bed die 7, like this when different in width blank advances, as long as the handwheel in shake screw blank centering device, now move to left swing arm and the synchronous past interior movement of the swing arm that moves to right, just blank can be moved to the center of band liner plate bed die 7, complete the work of blank centering, described hydraulic system 30 is arranged on frame 1 top or can is independently arranged near frame, is connected to bending oil cylinder 2, bottom knockout oil cylinder 5, upper demoulding oil jar 3, controls corresponding cylinder efficient by hydraulic oil pipe system by oil circuit, before described machine, platform 10 comprises platform support 101, and described platform support 101 arranges multiple boosting cylinder 102, and described boosting cylinder 102 inside is provided with bearing and can rotates around cylinder mandrel flexibly, before described machine, platform 10 is arranged on before frame 1 charging aperture, and blank is come by crane for hoisting, be placed on boosting cylinder 102 above after, just can promote easily, blank push be with carry out above liner plate bed die 7 compressing, when U-shaped beam is after the demoulding of band liner plate bed die 7, now operating personnel by small tool (as homalocephalus crowbar, or Flathead screwdriver), U-shaped beam from stripper plate 6 prize from, then bottom U-shaped beam, plug several pre-prepd little round steel (little round steel is also reused as instrument) use as roller, such operating personnel just can easily to release the U-shaped beam be shaped before machine platform 10 above stripper plate 6, hang away with crane again, complete the manufacturing process of a U-lag girder steel, by the different-thickness of abrasion-proof backing block in the liner plate in belt replacement liner plate mold 4 and band liner plate bed die 7, just can suppress the U-shaped beam of different in width, make this U-shaped beam shaping function produce the product of the many specifications of multi items, better meet Production requirement.

As shown in Figure 4, described frame 1 comprises multiple closed memorial archway 11, described closed memorial archway 11 is welded by steel plate or shaped steel, between described closed memorial archway 11, top is coupled together by the entablature 12 of Plate Welding, is welded with cylinder flange dish 13 for connecting bending oil cylinder and upper demoulding oil jar below described entablature 12; Between described closed memorial archway 11, bottom is coupled together by the lower box-girder 14 of Plate Welding, and described lower box-girder 14 is provided with bottom knockout oil har opening 15 and bed die fixing threaded hole 16 above; Described lower box-girder 14 inside is provided with bottom knockout oil cylinder and connects bearing for fixing bottom knockout oil cylinder; Described lower box-girder 14 is provided with centralising device installing port 18 for installing standing screw formula blank centering device; Be provided with lower margin hole 17 bottom described closed memorial archway 11 to can be used for being connected with foot bolt fundamentally, ensure that frame is more stable.

As shown in Fig. 5, Fig. 6, Fig. 7, described bending oil cylinder 2 cylinder body is provided with flange connecting hole 21, and piston rod is provided with spill circle 22; Described bending oil cylinder 2 piston is coupled together with bolt 27 by piston Connection Block 26 and two panels inserted sheet pin 25; Described piston Connection Block 26 is provided with piston hole 261 and cotter way 263 and screw 262; Described inserted sheet pin 25 is provided with arc groove 251 and through hole 252, the spill circle 22 on the arc groove 251 seized piston bar on inserted sheet pin, and such bending oil cylinder 2 has connected with piston Connection Block 26.

As shown in Figure 8, described band liner plate mold 4 becomes box girder structure by Plate Welding; Base plate 42 both sides of described band liner plate mold 4 are provided with multiple connecting screw hole 421; Described base plate 42 both sides are coupled together liner plate 44 by screw 43; Described liner plate 44 is provided with counter sink 441; Described band liner plate mold 4 near middle arranges one or two ports 41 and therefrom wears for allowing upper demoulding oil jar piston rod, plays upper demoulding effect; Piston Connection Block 26 is welded with above described band liner plate mold 4.

As shown in Figure 9, described band liner plate bed die 7 is welded by two pieces of risers 71 and one piece of base plate 72 and some gussets 73; Described base plate 72 centre position arranges several large round mouths 74; Abrasion-proof backing block 78 is provided with inside described two pieces of risers 71, described abrasion-proof backing block 78 is provided with counter sink 79, described abrasion-proof backing block 78 is connected with riser 71 by screw 781, when equipment Reusability time, abrasion-proof backing block 78 more can stand use, can change after abrasion-proof backing block 78 damages, avoid whole bed die to scrap; Described base plate 72 both sides are provided with fixing assist device connecting hole 76; Described band liner plate bed die 7 both sides are connected with frame with bolt 77 with multiple L shape pressing plate 75; Described L shape pressing plate 75 is provided with through hole 751.

As shown in Figure 10, described bottom knockout oil cylinder 5 back seat is provided with connecting hole 51 and is connected with the bottom knockout cylinder support of box-girder inside under frame, and bottom knockout cylinder piston rod is provided with connecting screw hole 52 for being connected with stripper plate.

As shown in figure 11, described stripper plate 6 is provided with counter sink 61 and is connected with bottom knockout oil cylinder by screw, under the head of screw for connecting sinks to stripper plate flush.

As shown in figure 12, described screw blank centering device 8 comprises the swing arm 81 that moves to left, the swing arm 82 that moves to right, the axis of guide 83, screw rod 84 and mounting 85, the described swing arm 81 that moves to left is provided with left pilot hole 811 and left-hand thread hole 812, described swing arm 81 top that moves to left is provided with arm aperture 813, and described arm aperture 813 is connected with regulating arm 814 by nut 815; The described swing arm 82 that moves to right is provided with right pilot hole 821 and right-hand thread hole 822; Described screw rod 84 two ends are respectively equipped with left stud 841 and right stud 842, the described upper left stud of screw rod 84 841 and right stud 842 are connected with the right-hand thread hole 822 moved to right on swing arm with the above-mentioned left-hand thread hole 812 moved to left on swing arm respectively, described screw rod 84 two ends are connected to mounting 85 both sides respectively by two bearing blocks 86, and described screw rod 84 one end connects handwheel 87; The above-mentioned axis of guide 83 connects the left pilot hole 811 moved to left on swing arm and the right pilot hole 821 moved to right on swing arm respectively, and the described axis of guide 83 two ends are connected to mounting 85 both sides respectively by two blind flanges 88; In the lower box-girder that described mounting 85 is fixedly connected on frame 1 and make to move to left swing arm 81 and the swing arm 82 that moves to right are positioned at band liner plate bed die 7 both sides close to symmetric position; By the position of fine setting regulating arm 814, keep move to left swing arm 81 and move to right swing arm 82 and band liner plate bed die 7 position of center line symmetry.

As shown in figure 13, described assist device 9 comprises supporting seat 91, bearing 92, and described supporting seat 91 is provided with connecting hole 911, and described supporting seat 91 is bolted on band liner plate bed die 7; Described bearing 92 is connected with bearing pin 93; Described bearing pin 93 is coupled together with supporting seat 91 by connecting hole 911 and nut 94; When blank advances time, be pressed on the bearing 92 on assist device 9, by the rolling of bearing 92, such travelling stock is just very easy and convenient.

Claims (10)

1. the U-shaped beam forming machine with screw centralising device and mould fitted lining plate, it is characterized in that: comprise platform (10) before frame (1), bending oil cylinder (2), band liner plate mold (4), band liner plate bed die (7), upper demoulding oil jar (3), bottom knockout oil cylinder (5), hydraulic system (30), screw blank centering device (8), assist device (9) and machine, described at least two bending oil cylinder (2) cylinder bodies are connected on described frame (1) entablature (12); Described bending oil cylinder (2) piston rod is connected with band liner plate mold (4) by piston Connection Block (26); Described upper demoulding oil jar (3) is connected on the entablature (12) of frame (1), can wear when described upper demoulding oil jar (3) piston rod is movable from band liner plate mold (4) inside; Described band liner plate bed die (7) is fixed in frame (1) by L shape pressing plate (75) and bolt (77); Described multiple bottom knockout oil cylinder (5) back seat is connected in the lower box-girder (14) of frame, and described bottom knockout oil cylinder (5) piston rod is connected with stripper plate (6) by bolt through large round mouth (74) on band liner plate bed die (7) base plate; Described assist device (9) is connected on band liner plate bed die (7); Described two covers screw blank centering device (8) are connected on the centralising device installing port (18) in frame; Described hydraulic system (30) is arranged on frame (1) top or can is independently arranged near frame, connects bending oil cylinder (2), bottom knockout oil cylinder (5), upper demoulding oil jar (3) by oil circuit; Before described machine, platform (10) is arranged on before frame (1) charging aperture.

2. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: described frame (1) comprises multiple closed memorial archway (11), described closed memorial archway (11) is welded by steel plate or shaped steel, between described closed memorial archway (11), top is coupled together by the entablature (12) of Plate Welding, and described entablature (12) below is welded with cylinder flange dish (13); Between described closed memorial archway (11), bottom is coupled together by the lower box-girder (14) of Plate Welding, and described lower box-girder (14) is provided with bottom knockout oil har opening (15) and bed die fixing threaded hole (16) above; Described lower box-girder (14) inside is provided with bottom knockout oil cylinder and connects bearing, and described lower box-girder (14) is also provided with centralising device installing port (18); Described closed memorial archway (11) bottom is provided with lower margin hole (17).

3. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: described bending oil cylinder (2) cylinder body is provided with flange connecting hole (21), and piston rod is provided with spill circle (22); Described bending oil cylinder (2) piston rod is coupled together with bolt (27) by piston Connection Block (26) and two panels inserted sheet pin (25); Described piston Connection Block (26) is provided with piston hole (261) and cotter way (263) and screw (262); Described inserted sheet pin (25) is provided with arc groove (251) and through hole (252).

4. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, is characterized in that: described band liner plate mold (4) becomes box girder structure by Plate Welding; Base plate (42) both sides of described band liner plate mold (4) are provided with multiple connecting screw hole (421); Described base plate (42) both sides are coupled together liner plate (44) by screw (43); Described liner plate (44) is provided with counter sink (441); Described band liner plate mold (4) near middle arranges one or two ports (41); Described band liner plate mold (4) top is welded with piston Connection Block (26).

5. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, is characterized in that: described band liner plate bed die (7) is welded by two pieces of risers (71) and one piece of base plate (72) and some gussets (73); Described base plate (72) centre position arranges several large round mouths (74); Described two pieces of risers (71) inner side is provided with abrasion-proof backing block (78), described abrasion-proof backing block (78) is provided with counter sink (79), and described abrasion-proof backing block (78) is connected with riser (71) by screw (781); Described base plate (72) both sides are provided with fixing assist device connecting hole (76); Described band liner plate bed die (7) both sides are connected with frame with bolt (77) with multiple L shape pressing plate (75); Described L shape pressing plate (75) is provided with through hole (751).

6. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: described bottom knockout oil cylinder (5) back seat is provided with connecting hole (51), and piston rod is provided with connecting screw hole (52).

7. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, is characterized in that: described stripper plate (6) is provided with counter sink (61).

8. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: described screw blank centering device (8) comprises the swing arm that moves to left (81), move to right swing arm (82), the axis of guide (83), screw rod (84) and mounting (85), the described swing arm that moves to left (81) is provided with left pilot hole (811) and left-hand thread hole (812), the described swing arm that moves to left (81) top is provided with arm aperture (813), described arm aperture (813) is connected with regulating arm (814) by nut (815), the described swing arm that moves to right (82) is provided with right pilot hole (821) and right-hand thread hole (822), described screw rod (84) two ends are respectively equipped with left stud (841) and right stud (842), described screw rod (84) upper left stud (841) and right stud (842) are connected with the above-mentioned left-hand thread hole (812) on swing arm and the right-hand thread hole (822) moved to right on swing arm of moving to left respectively, described screw rod (84) two ends are connected to mounting (85) both sides respectively by two bearing blocks (86), and described screw rod (84) one end connects handwheel (87), the above-mentioned axis of guide (83) connects the left pilot hole (811) moved to left on swing arm and the right pilot hole (821) moved to right on swing arm respectively, and the described axis of guide (83) two ends are connected to mounting (85) both sides respectively by two blind flanges (88), in the lower box-girder that described mounting (85) is fixedly connected on frame (1) and make to move to left swing arm (81) and the swing arm that moves to right (82) lay respectively at and be with liner plate bed die (7) both sides close to symmetric position.

9. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: described assist device (9) comprises supporting seat (91), bearing (92), described supporting seat (91) is provided with connecting hole (911), and described supporting seat (91) is bolted on band liner plate bed die (7); Described bearing (92) is connected with bearing pin (93); Described bearing pin (93) is coupled together with supporting seat (91) by connecting hole (911) and nut (94).

10. a kind of U-shaped beam forming machine with screw centralising device and mould fitted lining plate according to claim 1, it is characterized in that: before described machine, platform (10) comprises platform support (101), described platform support (101) arranges multiple boosting cylinder (102), and described boosting cylinder (102) inside is provided with bearing and can rotates around cylinder mandrel flexibly.