CN1057946C

CN1057946C - Rib-rolling mill

Info

Publication number: CN1057946C
Application number: CN94117861A
Authority: CN
Inventors: 陆燮明
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-16
Filing date: 1994-11-16
Publication date: 2000-11-01
Anticipated expiration: 2014-11-16
Also published as: CN1106718A

Abstract

The present invention belongs to a metallurgical device. A mode of the present invention for adjusting rolling gaps is a screw-bevel gear disc mode, and the problems of complex structure, inconvenient adjustment, etc. existing in the existing rolling mills. The rib making of the present invention through one-step active rolling solves the problems that the existing devices need drawing by wire drawing machines for drawing and rolling in many times, and cold-rolling ribbed steel bars can not conform to the Chinese Standard technical requirements and can not be supplied with fixed dimensions. The present invention uses a screw-bevel gear disc structure with radial synchronous displacement for a rolling device to adjust gaps formed by three rolling wheels; when power is transmitted to one pair of bevel gears, two rolling wheels on the rolling device are driven, and the other roller follows to move. Ribs can be formed on steel bars with different nominal diameters by changing rolling wheels with different specifications and dimensions.

Description

Rib-rolling mill

The invention belongs to metallurgical machinery equipment, used for producing cold rolled reinforcing bar system rib or making muscle.

What the system rib equipment of existing production cold rolled reinforcing steel bar with ribs was representative is: the KH-2 type cold-rolled thread steel milling train and the patent No. are 88205525.9, the Dg1-V type cold drawing and rolling spiral machine of 89219619.X.The former draws coil rod by wire drawing machine, and three rollers that are mutually 120 ° of Y-shaped arrangements by two covers are formed stitching, realize servo-actuated roll extrusion system rib; The latter forms Y type cold continuous rolling with 4-6 frame, by a wire drawing machine traction coil rod, is mutually 120 ° of three rollers that are the arrangement of Y type by the number cover, implements cold company and pulls out and roll and make rib.Existing two class system rib equipment weak points are: 1, complex structure, and volume is big, and the former only for adjusting gap between two covers, three rolls, just is provided with parts such as two cover handwheels, worm screw, worm gear, worm-wheel shaft, main shaft leading screw.For the rib position that makes two covers, three rollers pull out the rolling rib coincide, other establishes the mechanism that adjusts the rib position; The latter needs number cover three-roller structure, and the adjusting play is more complicated.2,, make the percentage elongation of Ribbed Bar of production and the specification requirement that cold bending test can not meet national standard because continuous several times cold-drawn, roll extrusion or cold company pull out rolls.3, owing to all be power with the wire drawing machine, the axial traction drawing is so one can not produce the Ribbed Bar of scale; Two cause reinforcing bar core and the dislocation of top layer metal lattice, and the comprehensive mechanical property of reinforcing bar is reduced.

The purpose of this invention is to provide a kind of rib-rolling mill, realize once radially active rolling system rib or system muscle.

The object of the present invention is achieved like this: establish the stitching of spiral one umbrella fluted disc assembly install one on the rib-rolling mill frame in, cover at stitching and offer three chutes that are mutually 120 ° of Y-shaped arrangements, respectively adorn a rolling wheel assembly in three chutes; The rolling wheel assembly is made up of roll extrusion wheel seat, roll extrusion wheel shaft and rolling wheel.On the rib-rolling mill frame, be provided with motor, speed changer and belt pulley, with the V-belt with one initiatively the belt pulley on the roll extrusion wheel shaft connects, mesh through being contained in bevel gear on this other end and the bevel gear on another active roll extrusion wheel shaft.The 3rd rolling wheel is supporting roller.With keyboard hand rotating parachute tooth adjusting rod, drive spiral-umbrella fluted disc rotation, three rolling wheel assemblies are moved radially along three chutes, realize adjusting the required gap of rolling; Power is by motor, speed changer, by belt pulley, V-belt, spindle pulley, a pair of bevel gear of transmission; Make the commentaries on classics of rolling spin of opposing of two rolling wheels, the another rolling wheel is the servo-actuated rotation when coil rod is arranged, and realizes rolling system rib.Change the rolling wheel assembly of different size specification, get final product the Ribbed Bar of the different nominal diameters of rolling.

Because adopt such scheme, its advantage is: 1, complete machine structure is simple, compact, volume is little, cost is low; 2, the complete machine drive is established one's own system, a rolling system rib; 3, the Ribbed Bar with this machine production meets the requirement of GB13788-92 standard techniques; And both but rolling was bundled, but the also scale supply of material; 4, change rolling wheel, switching stitching one angle does not drive, and can produce the profiled bar twist machine; Be replaced with the two chute stitchings of " 1 " shape, switching stitching one angle does not drive, and twist machine 5, operation, the adjustment that can produce cold-rolled torsion steel bar are easy.

Describe embodiments of the invention in detail below in conjunction with accompanying drawing.

Accompanying drawing 1 is the left side view of rib-rolling mill; Accompanying drawing 2 is the front view of rib-rolling mill.

1. motor, 2. speed changers, 3. belt pulleys, 4. V-belts, 5. spindle pulleys, 6. first active roll extrusion wheel shafts, 7. stitchings cover 8. servo-actuated roll extrusion wheel shafts, 9. servo-actuated rolling wheels, 10. roll extrusion wheel seats, 11. stitching bases, 12. umbrella tooth adjusting rods, 13. spirals-umbrella fluted disc assembly 14. second initiatively roll extrusion wheel shaft 15.16. bevel gears 17. connecting bolts, nut 18. active rolling wheels 19. connecting bolts, nut 20. rib-rolling mill framves among the figure

In accompanying drawing 2, motor (1) and flexible connection of speed changer (2) are contained on the rib-rolling mill frame 20 jointly.In stitching base (11), device spiral-umbrella fluted disc assembly 13, umbrella tooth adjusting rod 12; The 1. on the roll extrusion wheel seat 10, pack into initiatively rolling wheel 18, the first initiatively roll extrusion wheel shafts 6, respectively load onto spindle pulley 5 and bevel gear 16 at its two ends; The 2. on the roll extrusion wheel seat, the initiatively roll extrusion wheel shaft 14 of rolling wheel, second of packing into is initiatively loaded onto bevel gear 15 at the one end; 3. on the roll extrusion wheel seat, the servo-actuated rolling wheel 9 servo-actuated roll extrusion wheel shafts 8 of packing into, these three rolling wheel assemblies are embedded in the chute of three 120 ° of Y-shaped distributions each other on the stitching lid 7, be combined on the stitching base (11), twist synthetic stitching with connecting bolt, nut 17, this stitching is fixed on the rib-rolling mill frame 20 with connecting bolt, nut 19.On transmission belts wheel 3 and spindle pulley 5, be inserted in V-belt 4.

1, adjusts the rolling wheel gap: be contained in umbrella tooth adjusting rod 12 in the stitching base 11 with the Key jaw type spanner switching, drive spiral-umbrella fluted disc 13 rotations, make three rolling wheel assemblies in the chute of stitching lid 7, make radially same moved further, adjust the formation gap of three rolling wheels by roll extrusion wheel seat 10.As the reinforcing rib of rolling nominal diameter d5mm, promptly load onto desired three the rolling wheel assemblies of this nominal diameter, the formation gap with said method adjustment three makes the rib of reinforcing bar after rolling meet shape, the dimensional requirement of national Specification to rib.After the Ribbed Bar of rolling some, the roll extrusion wheel wear, row adjustment three constitutes the gap again.The reinforcing bar of other nominal diameters of rolling or rolling profiled bar, its corresponding three the rolling wheel assemblies that change the outfit are used with the quadrat method adjustment to constitute the gap.

2, rolling system rib: transmit power through speed changer 2 by motor 1, reach spindle pulley 5 by belt pulley 3, V-belt 4, make first initiatively roll extrusion wheel shaft 6, initiatively rolling wheel 18 rotations, through a pair of

bevel gear

16,15 engaged transmission, make the second active roll extrusion wheel shaft 14 and active rolling wheel to rolling, the 3rd servo-actuated rolling wheel 9 drives when leaning on the rolling reinforcing bar.As with second initiatively roll extrusion wheel shaft 14 other ends load onto bevel gear, also adorn the bevel gear and the second initiatively engagement on the roll extrusion wheel shaft 14 at servo-actuated roll extrusion wheel shaft 8 abutting ends, then the servo-actuated rolling wheel also becomes the active rolling wheel.The active of two rolling wheels, a rolling wheel servo-actuated or three rolling wheels all initiatively all make reinforcing bar advance under the effect of radially roll extrusion power, rolling system rib or system muscle.

3, make twist machine: without motor 1, speed changer 2, unload V-belt 4, as produce profiled bar and will be twisted into twisted shape at last, change three

rolling wheels

18,9, change and the corresponding to rolling wheel of profiled bar shape, unscrew connecting bolt, nut 19, stitching base (11) is tuned to turning round the required angle of this rod iron of system, screw connecting bolt, nut 19, adjust gap between three rolling wheels with the same method, twist machine.As produce cold-rolled torsion steel bar and will be twisted into twisted shape at last, change stitching lid 7, change and be provided with the stitchings lid that 180 ° of two one-tenth are the upper and lower symmetrical distribution chute of " l " font, in stitching lid chute, respectively adorn a cylindric rolling wheel and assembly thereof, unscrewing connecting bolt, nut (19) tunes stitching base 11 to turning round refrigeration and rolls the required angle of torsion steel bar, screw connecting bolt, nut 19, adjust gap between two rolling wheels with the same method, twist machine.

Claims

1, rib-rolling mill, be that the stitching of establishing spiral one umbrella fluted disc assembly in one is housed on this frame, this stitching covers to be offered three and is mutually 120 ° and is the chutes that the Y type is arranged, in three chutes, respectively adorn a rolling wheel assembly, the rolling wheel assembly is by the roll extrusion wheel seat, and roll extrusion wheel shaft and rolling wheel are formed; Motor, speed changer and belt pulley also are housed on the rib-rolling mill frame, with the V-belt with one initiatively the spindle pulley on the rolling wheel connect, bevel gear engagement on bevel gear through being contained in this other end and another active rolling wheel main shaft, it is characterized in that turn spiral one umbrella fluted disc assembly makes three rolling wheel assemblies move radially along three chutes, realizes gap between adjusted in concert three rolling wheels; Power reaches a pair of bevel gear by belt pulley, V-belt, spindle pulley, drives two rolling wheels on the stitching, and the another servo-actuated realizes radially initiatively rolling system rib or system muscle.

2, rib-rolling mill according to claim 1, the removal V-belt, cover at stitching and to offer three and be mutually 120 ° and be in the chute that the Y type arranges, respectively adorn one and the corresponding to rolling wheel assembly of profiled bar profile, the stitching base tunes to turning round system this rod iron required angle, produce the twist machine of profiled bar; The removal V-belt, cover at stitching and to offer two and become in 180 ° of chutes that are the upper and lower symmetrical distribution of " 1 " font, respectively adorn a cylindric rolling wheel assembly, the stitching base tunes to turning round refrigeration and rolls the required angle of torsion steel bar, just the twist machine that becomes to produce torsion steel bar.

3, rib-rolling mill according to claim 1, second initiatively the roll extrusion wheel shaft other end with load onto a pair of bevel gear at servo-actuated roll extrusion wheel shaft abutting end, the servo-actuated rolling wheel also becomes initiatively rolling wheel.