CN201940676U

CN201940676U - Rolling cutting type transverse shears

Info

Publication number: CN201940676U
Application number: CN2010206210941U
Authority: CN
Inventors: 张恒昌; 张坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-20
Filing date: 2010-11-20
Publication date: 2011-08-24
Anticipated expiration: 2020-11-20

Abstract

Rolling cutting type transverse shears belong to the technical field of a metal sheet shearer. The rolling cutting type transverse shears comprise the following components: a closed frame which is composed of a left frame, a right frame, an upper crossbeam and a lower cutter rest; an upper shearing edge lifting mechanism; a cambered surface slide carriage type rolling cutting mechanism, a roller guide groove type guiding mechanism, a hydraulic cylinder balancing mechanism, a shear edge clearance adjusting mechanism, and a connecting mechanism between an upper cutter box and an upper cutter rest. The utility model is characterized in that: the lifting of the upper shear edge is realized through the movement of an upper inclined wedge and a lower inclined wedge which are below the upper crossbeam and the function of the balancing hydraulic cylinder; pure rolling shearing of the upper shear edge is realized through the transverse movement of a cambered surface slide carriage which is provided below the lower inclined wedge and the restriction of a roller guide groove mechanism; and the adjustment for the shear edge clearance is realized through the movement of the inclined wedges which are equipped in front of and behind the upper cutter rest. The utility model is advantageous in that a ball screw mechanism is adopted for driving the inclined wedge to move thereby greatly improving the bearing capability of the device. The cambered surface slide carriage type mechanism and the roller guide groove type guiding mechanism are adopted, and therefore the pure rolling shearing can be realized.

Description

A kind of roll-turning crosscut is cut

Technical field:

The utility model belongs to the metal sheet cutting machine technical field, is specifically related to a kind of roll-turning crosscut that is used to shear sheet metal and cuts.

Background technology:

At present, be used for both at home and abroad roll-turning crosscut that sheet metal shears cut adopt mechanically operated, being bent axle---connecting rod transmission and employing are hydraulicdriven, promptly pass through push rod---the connecting rod transmission, have twin shaft two eccentric and and single shaft double eccentric, all there is following shortcoming in they: 1. the rolling cut of two off-centre of twin shaft and single shaft double eccentric is cut, its cutting mechanism all belongs to toggle, analyze from motion principle, this type of belt drive can not be put into practice pure rolling and shear, and has roll error to exist.2. the main transmission of rolling cut directly bears shearing force, and square being directly proportional of shearing force and sheet metal thickness, will cause power energy parameter, power of motor, weight of equipment and the equipment investment of main transmission sharply to increase along with the increasing of thickness of slab, when thickness of slab is increased to a certain degree, equipment can't be realized the requirement of rolling cut, greatly limit the production capacity of cutter.3. because the rolling cut of upper scissor blade reaches lap and the opening degree of going up lower scissor blade, all realize by rolling and cutting mechanism, when the structural parameters of cutter are determined by the steel plate design of maximum specification, cutter just can only be sheared by fixing pattern, and can not rationally adjust the related process parameter, thereby limited the raising of cutter efficient according to the steel plate of different size.4. rolling cut is cut and all can be produced distinctive shearing force peak value, and this peak value is about more than 1.6 times of steady shear power, and is very unfavorable to equipment intensity.5. shearing edge gap adjusting device complex structure, the transmission accumulated error is big, and precision is adjusted in influence.6. the upper slitter box adopts the spring oil cylinder to fix, and the oil cylinder specification is big, and quantity is many, and the system pressure height is easy to generate the upper slitter box accident that drops.7. all-hydraulic rolling cut is cut, though make the cutter mechanical part obtain simplifying, high pressure and big flow make hydraulic system huge, and shear efficiency descends, and electric-control system is very complicated.

Summary of the invention:

The utility model purpose provides a kind of roll-turning crosscut of new construction and cuts, and can overcome the shortcoming that prior art exists effectively.

The utility model is to realize like this, it includes closed frame, the upper scissor blade elevating mechanism, cambered surface slide-like rolling and cutting mechanism, running roller-guide type guiding mechanism, the hydraulic cylinder balanced controls, the blade clearance guiding mechanism, the upper slitter box is fixedlyed connected mechanism with upper tool post, its concrete structural feature is as Fig. 1～shown in Figure 7, left and right sides frame 1,18 with entablature 4 and lower slide 21 and front and back panel 27,27 ' be connected to form a closed frame, the feature of described upper scissor blade elevating mechanism is, being shaped on dovetail groove below the entablature 4 matches with dovetail groove that last wedge 2 is shaped on above and is connected, the right-hand member of last wedge 2 is connected with ball-screw 9, ball screw 9 be installed on the right frame 18, and the ball nut 10 that drives rotation by the transmission case 11 that is installed on the right frame 18 matches, be shaped on dovetail groove below the last wedge 2 and match with dovetail groove that following wedge 3 is shaped on above and be connected, two ends, following wedge 3 left and right sides respectively with left and right sides frame 1, the slideway of 18 installed inside matches to merge and moves up and down along slideway.Can realize the lift adjustment of upper scissor blade according to this again by cambered surface slide 6 and upper tool post 5.For wedge 2 up and down, 3 type of belt drive can also have another kind of structure, as Fig. 4, shown in 5, following wedge 3 ' two ends, the left and right sides be do not have the supporting free end, promptly be not provided with the slideway supporting, wedge 2 up and down ', 3 ' two ends, the left and right sides place of binding site be shaped on the open slot of rectangle, on the top and bottom of rectangular aperture groove, promptly last wedge 2 ' and following wedge 3 ' on be separately installed with upper rack 33 and following tooth bar 38, the gear 34 that can be simultaneously be meshed with two tooth bars up and down is being installed between the tooth bar up and down, gear 34 kinks are on the axle 35 of square body in the end, axle 35 is installed in the riser groove 31 on the riser 32 by square body, and front and back riser 32 can be moved up and down along riser groove side, 32 ' be separately fixed on the entablature 4.Described cambered surface slide-like rolling and cutting mechanism, it is characterized in that following wedge 3 below be that a smooth plane contacts with the last plane of cambered surface slide 6, on cambered surface slide 6, be shaped on a rectangular slit opening on the middle part, being equipped with one in slit opening can move up and down and the ball nut 7 that can not rotate, the two ends of the ball-screw 8 that matches with ball nut 7 are bearing on the left and right sides frame 1,18 by bearing, its right-hand member be installed in transmission case 12 on the right frame, that can drive its rotation and link.Be an arcuate surface below the cambered surface slide 6, contact that the together circle center of this two arcuate surface is the same center of circle with the circular arc upper scissor blade 17 that is installed in below the upper tool post 5 with arcuate surface above the upper tool post 5.Described balance hydraulic cylinder mechanism be the top of upper tool post 5 four pin joint E, F, H, J are arranged and be installed in four balance hydraulic cylinder G1, G2 above the entablature 4, the piston-rod lower end of G, G4 is hinged, four balance hydraulic cylinders are symmetric arrangement.Described running roller-guide type guiding mechanism, it is characterized in that right-hand member at upper tool post 5 is equipped with guide roller 15 can slippage in the gathering sill 14 on the guide groove bearing 13 on being installed on right frame 18, and the shape of gathering sill 14 is the track manufacturings that drive the central point motion of guide roller 15 when making pure rolling according to upper scissor blade 17.The structure of described blade clearance guiding mechanism is as shown in Figure 1, 2, put on the shelf 5 front-back and be installed in front and

back panel

27,27 on the frame of the left and right sides ' between be equipped with initiatively wedge 25,25 ' and passive wedge 26,26 ', now be that example is described with the left side, end at active wedge 25 is equipped with ball nut 22, the ball-screw 23 that matches with ball nut 22 connects (seeing broken section among Fig. 1) with transmission case 24 on being installed in left frame 1.It is as shown in Figure 6 that upper slitter box 17 was constructed with being connected of upper tool post 5, the blind hole 45 that is shaped on a stepped bore that tilts 39 and the upper slitter box 16 in the bottom of upper tool post 5 is same axial line, the hydraulic cylinder 41 that cylinder body flange 40 is fixed is installed in stepped bore 39, be equipped with in the end of piston rod 42 and push away post 44, the top bevel 47 of end that pushes away post 44 is inconsistent with the roller 46 that is installed in the blind hole 45.Figure 7 shows that lower right-hand corner (shearing initial position) at upper tool post 5 is equipped with a straight cutting edge 48 and connects with circle fox shape upper scissor blade 17.

The utility model advantage and good effect are:

(1) adopts cambered surface slide-like rolling and cutting mechanism and running roller-guide type guider, can realize the pure rolling shearing.

(2) in the rolling cut process, the resistance that mobile cambered surface slide overcomes only is that shearing force acts on slide up and down contact-making surface and the frictional force that produces, and frictional force is little more tens of and even more than hundreds of times than shearing force.Adopt the ball screw transmission in addition, driving force is dwindled again a lot, can obviously reduce equipment cost and energy consumption, and cut to large scale development and middle-size and small-size popularization for rolling cut advantage is provided.

(3) adopt two independently mechanisms, realizing respectively rolls shears and elevating movement, therefore can rationally adjust the opening degree of rolling cut stroke, cutting edge and lap etc. according to the steel plate (as thickness and width etc.) of different size, can fully improve shear efficiency.

(4) adopt the two-part upper scissor blade, the equivalent that the shearing inclination angle (or equivalent shearing inclination angle) on the beginning shear stage is not less than when stablizing rolling cut is all the time sheared the inclination angle, so can eliminate the shearing force peak value.

(5) cambered surface slide-like rolling and cutting mechanism is obviously simplified rolling and cutting mechanism, has alleviated the design work amount greatly, and very easily realizes accurately design.

(6) clearance adjustment mechanism of two groups of horizontal Wedge types before and after the employing is simplified structure, and improves and adjust precision.

(7) adopt hydraulic balance device, can eliminate the gap between each part on the shearing force action direction all the time, produce when avoiding shearing and impact.

(8) adopt hydraulic pressure to push away fixedly upper slitter box of pillar mechanism, simple in structure, few, the reliable operation of quantity.The fixing problems that exist of spring oil cylinder have been overcome fully.

Description of drawings:

Fig. 1 is structure diagram of the present invention (being B-B cutaway view among Fig. 2)

Fig. 2 is the A--A profile of Fig. 1

Fig. 3 is that the K of Fig. 1 is to view

Fig. 4 is another program structure chart of upper scissor blade elevating mechanism

Fig. 5 left side half is that M is to view among Fig. 4, and the right side partly is C in 4---C portion view

Fig. 6 is upper slitter box fixed connection structure figure

Fig. 7 is a two-part cutting edge structure chart.

Among the figure

1-left frame 2,2 '-last wedge 3,3 '-following wedge

4-entablature 5-upper tool post 6-cambered surface slide

7-ball nut 8-ball-screw 9-ball-screw

10-ball nut 11-transmission case 12-transmission case

13-guide groove bearing 14-gathering sill 15-running roller

The right frame of 16-upper slitter box 17-upper scissor blade 18-

19,19 '-taper key 20,20 '-positioning key 21-lower slide

22-ball nut 23-ball-screw 24,24 '-transmission case

25,25 '-initiatively wedge 26,26 '-passive wedge 27,27 '-panel beams

28,28 '-the upright cutter box of positioning key 29-lower scissor blade 30-

31-riser groove 32,32 '-riser 33,33 '-upper rack

34,34 '-gear 35-axle 36-shelves lid

37-bearing 38,38 '-following tooth bar 39-stepped bore

40-cylinder body flange 41-hydraulic cylinder 42-piston rod

43-feather key 44-pushes away post 45-blind hole

The straight cutting edge of 46-roller 47-tapered plane 48-

G1, G2, G3, G4-hydraulic cylinder E, F, H, J-pin joint

The specific embodiment:

(1) upper scissor blade is done the pure rolling shearing: as shown in Figure 1, when transmission case 12 drives ball-screw 8 rotations, drive cambered surface slide 6 by ball nut 7 and move to the left or to the right, cambered surface slide 6 contacts by the cambered surface with upper tool post 5 again and forces upper tool post 5 to do the pure rolling shearing together with upper scissor blade 17 under the constraint of running roller 15 and gathering sill 14.

(2) lift adjustment of upper scissor blade: as shown in Figure 1, when transmission case 11 drives ball nut 10 rotations, ball-screw 9 with matching drives upward, and wedge 2 moves horizontally, effect by two wedges contact inclined-plane and balance hydraulic cylinder, force down wedge 3 to move up or down, the adjustment of lower scissor blade lap and opening degree in the realization together with cambered surface slide 6, upper tool post 5 and upper scissor blade 17 thereof.

Another kind of adjustment scheme is shown in Fig. 4,5, transmission case 11 is by ball nut 10 and ball-screw 9, wedge 2 in the drive ' together with upper rack 33,33 ' when moving horizontally, upper rack 33,33 ' driven gear 34,34 ' rotation,

tooth bar

38,38 under driving again ' together with wedge 3 ' constant speed translation in the opposite direction down, contact the effect of inclined-plane and balance hydraulic cylinder simultaneously by two wedges, force down wedge 3 ' together with cambered surface slide 6, upper tool post 5 and upper scissor blade 17 fast liftings, realize the adjustment of cutting edge lap and opening degree, its efficient doubles.

(3) adjustment of blade clearance: with upper tool post shown in Figure 15 left side adjusting devices is that example describes, when transmission case 24 drives ball-screw 23 rotations, driving initiatively by ball nut 22, wedge 25 moves horizontally, effect by two wedges contact inclined-plane promotes passive wedge 26 and upper tool post 5 and moves forward and backward.The right side adjusting device also carries out simultaneously, but transmission direction in contrast, realizes the adjustment in gap jointly.

(4) the upper slitter box is fixing: as shown in Figure 6, primer fluid cylinder pressure 41, piston rod 42 pushes away post 44 and moves forward along feather key 43, by the tapered plane 47 roof pressure rollers 46 that push away post 44 front ends, upper slitter box 16 is formed hectare obliquely active force, the top of upper slitter box 16 and upper tool post 5 are again for tapered plane contacts, so upper slitter box 16 is fixed in addition.

(5) elimination of shearing force peak value: as shown in Figure 7,, a straight cutting edge 48 is installed, is connected, can eliminate the shearing force peak value during shearing with circular arc upper scissor blade 17 at the initial position (being the left end of upper slitter box 16) that upper tool post 5 is sheared.

Claims

1. a roll-turning crosscut is cut, include the closed frame that is connected to form by left and right sides frame and entablature and lower slide, the upper scissor blade elevating mechanism, cambered surface slide-like rolling and cutting mechanism, running roller-guide type guiding mechanism, the hydraulic cylinder balanced controls, the blade clearance guiding mechanism, the upper slitter box is fixedlyed connected mechanism with upper tool post, its structural feature is that described upper scissor blade elevating mechanism is shaped on dovetail groove and matches with the dovetail groove that is shaped on above the last wedge (2) and be connected below entablature (4), the right-hand member of last wedge (2) is connected with ball-screw (9), ball-screw (9) be installed on the right frame (18), and match with the ball nut (10) that rotates by transmission case (11) drive that is installed on the right frame (18), being shaped on dovetail groove above dovetail groove and the following wedge (3) below the last wedge (2) matches and is connected, following wedge (3) two ends, the left and right sides match with the slideway of left and right sides frame (1,18) installed inside respectively and merge and can move up or down along slideway.

2. roll-turning crosscut as claimed in claim 1 is cut, the another kind structure that it is characterized in that described upper scissor blade elevating mechanism is that the two ends, the left and right sides of wedge (3) down are the free ends that does not have supporting, promptly in left and right sides frame (1,18) inboard is not provided with the slideway supporting, but wedge up and down (2 ', 3 ') the open slot that is shaped on rectangle at place, the two ends, the left and right sides of binding site, on the rectangular aperture groove, below on, promptly on last wedge (2 ') and following wedge (3 '), be separately installed with upper rack (33) and following tooth bar (38), the gear (34) that can be simultaneously be meshed with two tooth bars up and down is being installed between the tooth bar up and down, gear (34) kink is on the axle (35) of square body in the end, axle (35) is installed in the mainboard groove (31) on the riser (32) by square body, front and back riser (32 can be moved up and down along riser groove side, 32 ') be separately fixed on the entablature (4).

3. roll-turning crosscut as claimed in claim 1 is cut, it is characterized in that under the described cambered surface slide-like rolling and cutting mechanism being that a smooth plane contacts with the last plane of cambered surface slide (6) below the wedge (3), on cambered surface slide (6), be shaped on a rectangular slit opening on the middle part, being equipped with one in slit opening can move up and down and the ball nut (7) that can not rotate, the two ends of the ball-screw (8) that matches with ball nut (7) are bearing in left and right sides frame (1 by bearing, 18) on, its right-hand member be installed on the right frame, the transmission case (12) that can drive its rotation links, being an arcuate surface below the cambered surface slide (6) contacts with arcuate surface above the upper tool post (5), and the together circle center of this two arcuate surface is the same center of circle with the circular arc upper scissor blade (17) that is installed in below the upper tool post (5).

4. roll-turning crosscut as claimed in claim 1 is cut, it is characterized in that described running roller-guide type guiding mechanism be right-hand member at upper tool post (5) guide roller (15) is installed can slippage in the gathering sill (14) on the guide type shoe (13) that is installed on frame (18), the shape of gathering sill (14) is to make according to the central point movement locus of upper scissor blade (17) guide roller (15) when making pure rolling.

5. roll-turning crosscut as claimed in claim 1 is cut, it is characterized in that described blade clearance guiding mechanism is in the front and back of upper tool post (5) and is installed between the front and back panel (27,27 ') on the left and right sides frame (1,18) initiatively wedge (25,25 ') and passive wedge (26,26 ') are installed, with the left side is that example is equipped with ball nut (22) in the right part of active wedge (25), and the ball-screw that matches with it (23) connects with transmission case (24) on being installed in left frame.

6. roll-turning crosscut as claimed in claim 1 is cut, the bindiny mechanism that it is characterized in that described upper slitter box and upper tool post is that the stepped bore (39) and the blind hole (39) on the upper slitter box (16) that are shaped on an inclination in the bottom of upper tool post (5) are same axis, in stepped bore, install one the fixing hydraulic cylinder (41) of cylinder body flange (40) is arranged, the end of piston rod (42) is installed and is pushed away post (44), push away the top bevel (47) of the end of post (44), inconsistent with the roller (46) that is installed in the blind hole (45).

7. roll-turning crosscut as claimed in claim 1 is cut, and it is characterized in that described upper scissor blade structure is at the initial position of upper tool post (5) shearing one straight cutting edge (48) to be installed to connect with circular arc upper scissor blade (17).