CN1060105C

CN1060105C - Plate pressing rolling plastic finish-forming machine

Info

Publication number: CN1060105C
Application number: CN95109500A
Authority: CN
Inventors: 宋玉泉; 郝滨海
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-09-08
Filing date: 1995-09-08
Publication date: 2001-01-03
Anticipated expiration: 2015-09-08
Also published as: CN1144724A

Abstract

The present invention discloses a plastic precision forming machine through plate pressing and rolling, which relates to a special device for forming symmetrical cylindrical step workpieces through roll pressing. The present invention is characterized in that an upper press roller and a lower press roller rotate in the same direction through a transmission mechanism, an upper slide press plate and a lower slide press plate are arranged between the upper press roller and the lower press roller, and an upper mold plate and a lower mold plate are respectively clamped on the upper slide press plate and the lower slide press plate; the rotation of the press rollers in the same direction is converted to the slide in a different direction between the press plates through gear rings and gear racks at the side of the press rollers and the side of the press plates, and thus, the workpieces in the mold cavity between the upper mold plate and the lower mold plate are formed by roll pressing. The plastic precision forming machine changes the processing modes of existing roll forging machines, and can realize the plastic precision formation of cylindrical step shaft workpieces.

Description

The plate pressing rolling plastic finish forming machine

The plate pressing rolling plastic finish forming machine relates to the special equipment of the stairstepping workpiece of rolling formation cylinder symmetric.

Existing roll forging equipment is made up of top roll, lower roll and mould.Through the incorgruous rotation of upper and lower roll, workpiece is contained between the mould of top roll and lower roll by nipping, and produces local continuous modification, finishes the deformation processing of workpiece.Because adopting the forging roll processing work is the local continuous modification of static pressure,, therefore, be widely used in production so low, the no impact of equipment tonnage and noise, production efficiency height are arranged and easily realize the advantage of automation.But existing forging roll only is suitable for the base of planar axes symmetry major axis class part, is not suitable for the base of cylindrical work (as multidiameter), more can not smartly be shaped.

The objective of the invention is provides a kind of special equipment of ladder class workpiece of plastic precision forming cylinder symmetric on the basis that keeps the existing above-mentioned advantage of forging roll.

Realize that the concrete technical scheme accompanying drawings of above-mentioned purpose is as follows: Fig. 1 is the structural front view of double-acting plate pressing rolling plastic finish forming machine, Fig. 2 is the side view of Fig. 1, Fig. 3 is the structural front view of double-acting plate pressing rolling plastic finish forming machine except that running part, Fig. 4 is the side view of Fig. 3, Fig. 5 is the pressure roller of double-acting plate pressing rolling plastic finish forming machine, gear ring, the structural front view of tooth bar and sliding clamp, Fig. 6 is the A-A cutaway view of Fig. 5, Fig. 7 is the B-B cutaway view of Fig. 5, Fig. 8 is the sliding clamp of double-acting plate pressing rolling plastic finish forming machine and the structural front view of template, Fig. 9 is the side view of Fig. 8, Figure 10 is the structural front view of single-lift plate pressing rolling plastic finish forming machine, and Figure 11 is the side view of Figure 10.Consult Fig. 1-4, the plate pressing rolling plastic finish forming machine mainly is by transmission mechanism, pressure roller and template three parts are formed, its transmission mechanism is to be power source with motor 3, adorn a small belt pulley 2 on the axle of motor 3, between big belt pulley 1 and the small belt pulley 2 belt is housed, on 1 of the big belt pulley gear pair 4 and brake 6 are housed, gear pair 5 is housed on the driven gear shaft of gear pair 4, the driven gear shaft of gear pair 5 is coaxial with the driving gear 9 that is contained on 24 of the lower compression rollers, driving gear 9 and the driven gear 7 that is contained on 16 of the pressure rollers are meshed with tumbler gear 8 between them, on, lower compression roller 16,24 be pressed in respectively between them on, lower slider pressing plate 17, on 20, intermeshing gear ring rackwork is equipped with in its both sides, on, lower

slider pressing plate

17,20 by its left side, right, before, after

spacing card

11,21,27,28 is spacing, on, when lower compression roller rotates in the same way, slide up and down the incorgruous thereupon relative slip of pressing plate, on,

lower bolster

18,19 clamp respectively, lower slider pressing plate 17, in 20, on, constitute die cavity between the lower bolster.

The structure of gear ring rackwork is consulted Fig. 5, Fig. 6, Fig. 7.Last, lower compression roller 16, have the annular groove that the cross section is a rectangle on the outer rim of 24 both sides,

gear ring

12,15,25,23 are contained in the annular groove respectively, by flat key limit itself and last, lower compression roller 16,24 rotation, on the sidewall of the side in the annular groove is concave conical surface,

gear ring

12,15,25,23 two ends are the convex conical surface, concave conical surface interference fits on the one side convex conical surface and the pressure roller, the opposite side convex conical surface overlaps 30 interference fits with the concave conical surface that is contained in the annular groove, concave conical surface cover 30 is pressed by the compact heap card of symmetric arrangement, tooth bar is fixed on the tooth bar guide rail 37, tooth bar guide rail 37 is fixed on the sliding clamp, and is slidingly matched with the square-section annular groove of pressure roller.

Sliding clamp 17 on the basis of such scheme if adopt fixation clip 17 ', its structure is consulted Figure 10 and Figure 11.With fixation clip 17 ' be fixed on the lathe bed 26, and can remove driving gear 9 and the tumbler gear of going up on pressure roller 16 and driven gear 7 thereof, gear pair 5, the lower compression roller 24 8, the driven gear shaft of gear pair 4 is coaxial with lower compression roller 24, and installs shaft coupling 42 on axle additional.Because it is fixed that top board adopts, just formed the more simple a kind of organization plan of structure, be that the plate pressing rolling plastic finish forming machine is by transmission mechanism, pressure roller and template are formed, transmission mechanism is a power source with motor 3, adorn a small belt pulley 2 on its axle, between big belt pulley 1 and the small belt pulley 2 belt is housed, on 1 of the big belt pulley gear pair 4 and brake 6 are housed, the driven gear shaft of gear pair 4 is coaxial with lower compression roller 24, and on axle, install shaft coupling 42 additional, top board be fixation clip 17 ', it is fixed on the lathe bed 26, and lower platen is a sliding clamp 20, and lower compression roller 24 is pressed on the sliding clamp 20, intermeshing gear ring rackwork is equipped with in its both sides, lower slider pressing plate 20 is by its left side, right, before, after spacing card 11 ', 21 "; 27; 28 is spacing, when lower compression roller rotated, the lower slider pressing plate slided thereupon relatively; on; lower bolster 18; 19 respectively pincers go into fixation clip 17 ', in the lower slider pressing plate 20, on, constitute die cavity between the lower bolster.

In above two kinds of structures, the template that pincers are gone in the sliding clamp is to be fixed on the sliding clamp by alignment pin 39, briquetting 38 and screw 40.

The existing feature that makes the local continuous modification of workpiece of the present invention, can solve the multidiameter spare of shaping cylinder symmetric again, its core is to make the incorgruous rotation of the forging roller in the existing forging roll and workpiece movement be converted into rotating in the same way and the slip of pressing plate and the rolling of workpiece of pressure roller, thereby realizes the plastic precision forming of multidiameter.When it rotates pressure roller 16 and lower compression roller 24 by Fig. 1, transmission mechanism shown in Figure 2 in the same way,, make upper and lower sliding clamp incorgruous mobile by gear ring that is fixed on upper and lower pressure roller and the tooth bar gear motion that is fixed on the upper and lower sliding clamp.Because upper and lower template is separately fixed on the upper and lower sliding clamp, therefore upper and lower template is also done incorgruous moving thereupon, then place the local continuous rolling plastic distortion of the do of the workpiece in the die cavity between two templates, thus realize that cylinder blank is rolled into shape.

The present invention program's good effect is by reasonable structural design, has changed the processing mode of routine in the prior art, makes smart shaping of cylinder symmetric stairstepping class workpiece roll extrusion in this machine.Technology and equipment are simple.Adopt the forming machine (being the double-acting structure) of two rollers to be suitable for existing forging roll is transform as new product, because the displacement scale of its sliding clamp is big, be suitable for the Plastic Forming of the bigger cylinder blank of diameter, it is simple in structure to adopt single roller forming machine (being single-lift structure), cost is low, is suitable for the Plastic Forming to the less cylindrical blank of diameter.

Further specify content of the present invention and embodiment thereof below in conjunction with the accompanying drawing illustrated embodiment.

Embodiment 1 double-acting structure (consulting Fig. 1-9): 2 is small belt pulleys among the figure, and it is contained on the axle of motor 3, the 1st, and big belt pulley, double as flywheel and clutch, and coaxial with brake 6.On small belt pulley 2 and the big belt pulley 1 belt is housed.4 and 5 is gear pairs, and the driving gear of gear pair 4 is contained on 1 of the big belt pulley, and the driving gear of gear pair 5 is contained on the driven gear shaft of gear pair 4.The driven gear of gear pair 5 is coaxial with lower compression roller 24, and driving gear 9 is housed on this axle, and it and the driven gear 7 that is contained on 16 of the pressure rollers are meshed with tumbler gear 8 between them.Big belt pulley 1 in the accompanying drawing, small belt pulley 2, motor 3, gear pair 4,5 and brake 6 have constituted transmission mechanism of the present invention, and through tumbler gear 8, pressure roller 16 and lower compression roller 24 are rotated in the same way.Two sliding clamps are housed between upper and lower pressure roller, the 17th, last sliding clamp, the 20th, the lower slider pressing plate, pressure roller is pressed on the sliding clamp.Sliding clamp is left and right spacing by left limit card 11 and right limit card 21 respectively.Left and right spacing card divides two parts, 21 ' be the right limit card of going up pressure roller 16,21 " is the right limit card of lower compression roller 24.The 12nd, the left gear ring of last pressure roller 16, the 15th, the right gear ring of last pressure roller 16, the 25th, lower compression roller 24 left gear rings, the 23rd, the right gear ring of lower compression roller 24, the cross section that they are contained in upper and lower pressure roller both sides respectively is in the annular groove of rectangle, and compress locating piece 29,32 axial location by concave conical surface cover 30 and gear ring, by the flat key radial location.Each gear ring can adopt four flat keys 36 and four gear rings of symmetric arrangement to compress locating piece 29, and gear ring compresses locating piece 29 and is screwed on pressure roller.13,14 is respectively the left and right tooth bar of going up on the sliding

clamp

17,10,22 is respectively left and right tooth bar on the lower slider pressing plate 24, the fixed form of they and sliding clamp is that tooth bar is contained on the tooth bar guide rail 37, and with screw 41,41 ' be fastened on the sliding clamp.18, the 19th, upper and lower template, they clamp respectively and are contained on the upper and lower sliding

clamp

17,20, and are fastened on the sliding clamp with alignment pin 39, briquetting 38 and the screw 40 of sliding clamp side.Tooth bar is meshed with gear ring, and two lavatory faces of the two sides of tooth bar guide rail 37 and the rectangle annular groove on the pressure roller are slidingly matched.The 26th, fuselage, 27 and 28 is spacing cards of front limit card and back of upper and lower sliding

clamp

17,20, the 31st, the adjusting pad between the spacing card in the left and right sides, the 33rd, the template die cavity, 34, the 35th, the adjusting pad between spacing card in the front and back of upper and lower sliding clamp and fuselage, the 42nd, the driven gear shaft of gear pair 4 is the shaft coupling on 24 of the lower compression rollers.

Embodiment 2 single-lift structures (consulting Figure 10, Figure 11): be fixed on the lathe bed 26 if will go up sliding clamp 17, make its become fixation clip 17 ', like this can be with the driving gear 24 on the last pressure roller 16 of this machine and driven gear 7 thereof, tumbler gear 8, the lower compression roller 24, and gear pair 5 removes.Other structure is constant.Driven gear shaft by gear pair 4 connects with the axle of lower compression roller 24 by the shaft coupling 42 that installs additional.Can drive lower compression roller 24 rotations like this and move, make workpiece in the die cavity of template, be rolled into shape to drive lower slider pressing plate and lower bolster.43 is that last sliding clamp is fixed on screw on the fuselage 26 among the figure, and going up sliding clamp like this becomes fixation clip.

In above-mentioned two embodiment, template is consulted Fig. 8, Fig. 9 with being connected of pressing plate: the template that pincers are gone in the sliding clamp can be fixed on the sliding clamp by alignment pin 39, briquetting 38 and screw 40.

Claims

1. the plate pressing rolling plastic finish forming machine is by transmission mechanism, pressure roller and template are formed, it is characterized in that transmission mechanism is a power source with motor (3), adorn a small belt pulley (2) on its axle, between big belt pulley (1) and the small belt pulley (2) belt is housed, on big belt pulley (1) axle gear pair (4) and brake (6) are housed, gear pair (5) is housed on the driven gear shaft of gear pair (4), the driven gear shaft of gear pair (5) is coaxial with the driving gear (9) that is contained on lower compression roller (24) axle, driving gear (9) and the driven gear (7) that is contained on pressure roller (16) axle are meshed with tumbler gear (8) between them, on, lower compression roller (16), (24) be pressed in respectively between them on, lower slider pressing plate (17), (20) on, intermeshing gear ring rackwork is equipped with in its both sides, on, lower slider pressing plate (17), (20) by its left side, right, before, after spacing card (11), (21), (27), (28) spacing, on, when lower compression roller rotates in the same way, on, the incorgruous thereupon relative slip of lower slider pressing plate, on, lower bolster (18), (19) on pincers are gone into respectively, lower slider pressing plate (17), (20) in, on, constitute die cavity between the lower bolster.

2. plate pressing rolling plastic finish forming machine according to claim 1, it is characterized in that said gear ring rackwork is last, lower compression roller (16), (24) have the annular groove that the cross section is a rectangle on the outer rim of both sides, gear ring (12), (15), (25), (23) be contained in the annular groove respectively, by flat key limit itself and last, lower compression roller (16), (24) rotation between, on the sidewall of the side in the annular groove is concave conical surface, gear ring (12), (15), (25), (23) the convex conical surface is arranged on the both ends of the surface, concave conical surface interference fits on the one side convex conical surface and the pressure roller, the opposite side convex conical surface and concave conical surface cover (30) interference fits that is contained in the annular groove, concave conical surface cover (30) is pressed by the compact heap card of symmetric arrangement, tooth bar is fixed on the tooth bar guide rail (37), tooth bar guide rail (37) is fixed on the sliding clamp, and is slidingly matched with the square-section annular groove of pressure roller.

3. the plate pressing rolling plastic finish forming machine is by transmission mechanism, pressure roller and template are formed, it is characterized in that transmission mechanism is a power source with motor (3), adorn a small belt pulley (2) on its axle, between big belt pulley (1) and the small belt pulley (2) belt is housed, on big belt pulley (1) axle gear pair (4) and brake (6) are housed, the driven gear shaft of gear pair (4) is coaxial with lower compression roller (24), and on axle, install shaft coupling (42) additional, top board is fixation clip (17 '), it is fixed on the lathe bed (26), lower platen is sliding clamp (20), lower compression roller (24) is pressed on the sliding clamp (20), intermeshing gear ring rackwork is equipped with in its both sides, lower slider pressing plate (20) is by its left side, right, before, after spacing card (11 '), (21 "); (27); (28) spacing, when lower compression roller rotated, the lower slider pressing plate slided thereupon relatively; on; lower bolster (18); (19) pincers are gone into fixation clip (17 ') respectively, in the lower slider pressing plate (20), on, constitute die cavity between the lower bolster.

4. according to claim 1 or 3 described plate pressing rolling plastic finish forming machines, it is characterized in that the template that clamps in the sliding clamp is to be fixed on the sliding clamp by alignment pin (39), briquetting (38) and screw (40).