Adjustable brake facing double-side chamfering machine
Technical field
The present invention relates to chamfering mechanical field, be specifically related to a kind of double-side chamfering machine for brake facing.
Background technology
The shape of brake facing is as semilune, as shown in Figure 7.When machining brake liner, first with bending machine, it is bent into semilune, then chamfering is carried out in the two ends of brake facing.When chamfering, gripped one end of shoe brake, then the other end is carried out to chamfering by operator in the past, the two ends of monolithic will be carried out at twice, and labour intensity is large and efficiency is low; When operation, controlled by operator self dynamics completely, easily cause that unfilled corner, outward appearance lines are large, the bad control of technical size, the defect such as big or small length is inhomogeneous, the homogeneity of product of producing is poor; Operator directly contacts work cutter, poor stability, slightly absent minded or lack a sense of responsibility and easily occur security incident.
In addition, because thickness, the width of brake facing are different, even same brake facing, due to the difference that chamfering requires, the installation site of emery wheel is also different.Current double-side chamfering machine, only can realize the adjusting of the depth of cut, cannot realize the adjusting of up-down adjustment and the emery wheel angle of emery wheel, and limitation is very large.Same equipment cannot meet the processing request of different workpieces, need to configure multiple emery wheel supporting mechanism, has not only increased equipment cost and management cost, due to the frequent emery wheel supporting mechanism of changing, also can affect and add job schedule.
Summary of the invention
The present invention aims to provide the high brake facing double-side chamfering machine of a kind of efficiency homogeneity of product high, safe, that produce, and can realize that the emery wheel depth of cut regulates, the adjusting of emery wheel up-down adjustment and emery wheel angle, to be applicable to the chamfering requirement of different braking device liner.
For this reason, adjustable brake facing double-side chamfering machine provided by the invention, comprise frame (20), liner drive motors (1) and reductor (2), key is: also comprise the liner main drive wheel (3) being arranged in frame (20), liner stacks gathering sill (4) and liner horizontal rail groove (12), described liner main drive wheel (3) and liner stack gathering sill (4) and are positioned at the front end of liner horizontal rail groove (12), described liner stacks gathering sill (4) and longitudinally arranges, lower end and main drive wheel (3) gear teeth that liner stacks gathering sill (4) join, the liner that every rotation one tooth of main drive wheel (3) just stacks liner in gathering sill (4) is sent in liner horizontal rail groove (12),
The anterior top of described liner horizontal rail groove (12) is provided with the upper turning cylinder (5) and the lower turning cylinder (6) that are parallel to each other, the middle part of described upper turning cylinder (5) is installed with and on liner, drives rubber wheel (7), one end of upper turning cylinder (5) is installed with pair and drives driven gear (8), the middle part of described lower turning cylinder (6) is installed with and under liner, drives rubber wheel (9), one end of lower turning cylinder (6) is installed with lower pair and drives driving gear (10), upper pair drives driven gear (8) and lower pair is driven driving gear (10) engaged transmission, described lower pair is driven between driving gear (10) and main drive wheel (3) and is provided with sprocket wheel link chain mechanism (11), on liner, driving under rubber wheel (7) and liner drives rubber wheel (9) jointly to drive liner to move backward, described liner drive motors (1) drives lower pair to drive driving gear (10) by reductor (2) and rotates,
The left and right sides of described liner horizontal rail groove (12) is symmetrically arranged with Carborundum wheel (13), grinding wheel drive mitor (14), emery wheel master carrier (21), emery wheel depth of cut adjusting screw(rod) (25), grinding wheel drive mitor up-down adjustment screw rod (26), grinding wheel drive mitor angular adjustment bow (27), grinding wheel drive mitor Level tune supporting plate (28) and grinding wheel drive mitor support plate (33), described emery wheel master carrier (21) comprises horizontal supporting plate (21a) and vertical supporting plate (21b), the medial extremity of the upper end of described vertical supporting plate (21b) and horizontal supporting plate (21a) is fixed together, vertically supporting plate (21b) is fixed on the sidewall of frame (20) by the first bolt (22), on the sidewall of described frame (20), be provided with first bar-shaped trough (20a) of the upper downward-extension corresponding with the first bolt (22), vertically the outside vertical of supporting plate (21b) is welded with the first nut (23), on the sidewall of described frame (20), be vertically welded with the second nut (24), and the second nut (24) be positioned at the first nut (23) under, described grinding wheel drive mitor up-down adjustment screw rod (26) is first screwed into the second nut (24) and is screwed in the first nut (23) again,
Described grinding wheel drive mitor Level tune supporting plate (28) is bolted on horizontal supporting plate (21a) by second, on described horizontal supporting plate (21a), be provided with the second bar-shaped trough that extend the left and right corresponding with the second bolt, on grinding wheel drive mitor Level tune supporting plate (28), be vertically welded with the 3rd nut (30), on horizontal supporting plate (21a), be vertically welded with the 4th nut (31), and the 4th nut (31) is positioned at the outside of the 3rd nut (30), described emery wheel depth of cut adjusting screw(rod) (25) is first screwed into the 4th nut (31) and is screwed in the 3rd nut (30) again,
The medial extremity of described grinding wheel drive mitor Level tune supporting plate (28) is connected with a connecting plate (32), the medial extremity of described grinding wheel drive mitor support plate (33) is connected on connecting plate (32), the lower end of described grinding wheel drive mitor angular adjustment bow (27) is fixed on the outboard end of horizontal supporting plate (21a), the upper end of grinding wheel drive mitor angular adjustment bow (27) has arc-shaped hole (27a), the outboard end of described grinding wheel drive mitor support plate (33) is fixed on grinding wheel drive mitor angular adjustment bow (27) by the 3rd bolt (29) being arranged in arc-shaped hole (27a).
Operation principle: liner is stacked in to liner and stacks in gathering sill, drive liner to move forward through liner main drive wheel constant speed directional-rotation, cloth distance by a tooth when mobile completes tooth of the every rotation of liner main drive wheel, liner stacks in gathering sill and send into a liner in liner horizontal rail groove, and liner continues to move forward to Carborundum wheel place and carries out grinding under the driving of the upper and lower driving rubber wheel of liner.
Grinding wheel drive mitor is bolted on grinding wheel drive mitor support plate, and emery wheel is fixed on the turning cylinder of grinding wheel drive mitor.When up-down adjustment, first unscrew the first bolt, because the second nut is fixed in frame, the first nut is fixed on vertical supporting plate, turn grinding wheel drive mitor up-down adjustment screw rod, frame is motionless, and the first nut drives emery wheel master carrier to move up and down along the first bar-shaped trough, tighten again the first bolt, thereby realized the up-down adjustment of emery wheel; When the emery wheel depth of cut regulates, first unscrew the second bolt, because the 4th nut is fixed on horizontal supporting plate, the 3rd nut is fixed on grinding wheel drive mitor Level tune supporting plate, turn emery wheel depth of cut adjusting screw(rod), emery wheel master carrier is motionless, and the 3rd nut drives grinding wheel drive mitor Level tune supporting plate to move left and right along the second bar-shaped trough, tighten again the second bolt, thereby realized the adjusting of the emery wheel depth of cut; When emery wheel angular adjustment, first unscrew the 3rd bolt, grinding wheel drive mitor support plate, the grinding wheel drive mitor angular adjustment bow tie point around connecting plate and grinding wheel drive mitor Level tune supporting plate together with connecting plate is rotated, when turning to after the angle needing, tighten again the 3rd bolt, thereby realized the angular adjustment of grinding wheel drive mitor.
Be preferably, the top of described liner horizontal rail groove (12) is provided with anti-folding limited block (15), described anti-folding limited block (15) is positioned between lower turning cylinder (6) and liner main drive wheel (3), and the spacing between anti-folding limited block (15) and liner horizontal rail groove (12) is determined by the thickness of liner.When work, anti-folding limited block is pressed on liner, to prevent that liner from overlaping.
The top at described liner horizontal rail groove (12) rear portion is provided with powder dedusting outlet (16), described powder dedusting outlet (16) is connected with air station by pulsed dedusting tracheae (17), increase powder dust arrester, carry out timing dusting by autompulse, make the liner surface after grinding cleaner, after grinding chamfering, part is carried out to dedusting one by one without operator, avoid piece surface unholiness and affect follow-up coating process, cause serious quality accident.
In addition, between described horizontal supporting plate (21a) and vertical supporting plate (21b), be provided with leg-of-mutton stiffener (21c).
Totally two, described first bolt (22) of vertical connecting supporting plate (21b) and frame (20), be symmetricly set on the left and right sides of grinding wheel drive mitor up-down adjustment screw rod (26), correspondingly, described the first bar-shaped trough (20a) is also provided with two.
Beneficial effect: (1) has alleviated operator's labour intensity, operator only need be stacked in liner liner and stack in gathering sill, and operating efficiency has improved 5 times of left and right;
(2) product quality has obtained double lifting, be mainly manifested in grinding angle evenly, surfacing, can not cause lines and unfilled corner phenomenon, the homogeneity of product of producing is very good;
(3) processing safety is high, and operator can directly not contact work cutter, avoids occurring security incident:
(4) can realize the comprehensive adjusting of the upper and lower and emery wheel angle of the emery wheel depth of cut, emery wheel, to meet the chamfering work piece requirement of all size, greatly reduce equipment cost and management cost, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the governor motion of the present invention China grinding wheel drive mitor.
Fig. 6 is left view or the right view of Fig. 5.
Fig. 7 is the structural representation of brake facing.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the present invention is described in further detail:
As Fig. 1---the adjustable brake facing double-side chamfering machine as shown in the of 5, by liner drive motors 1, reductor 2, liner main drive wheel 3, liner stacks gathering sill 4, upper turning cylinder 5, lower turning cylinder 6, on liner, drive rubber wheel 7, upper pair is driven driven gear 8, under liner, drive rubber wheel 9, lower pair is driven driving gear 10, sprocket wheel link chain mechanism 11, liner horizontal rail groove 12, two Carborundum wheels 13, two grinding wheel drive mitors 14, anti-folding limited block 15, powder dedusting outlet 16, powder dedusting outlet 17, frame 20, emery wheel master carrier 21, the first bolt 22, the first nut 23, the second nut 24, emery wheel depth of cut adjusting screw(rod) 25, grinding wheel drive mitor up-down adjustment screw rod 26, grinding wheel drive mitor angular adjustment bow 27, grinding wheel drive mitor Level tune supporting plate 28, the 3rd bolt 29, the 3rd nut 30, the 4th nut 31, the compositions such as connecting plate 32 and grinding wheel drive mitor support plate 33.
In conjunction with Fig. 1---shown in Fig. 4, liner horizontal rail groove 12 is arranged in frame 20, liner main drive wheel 3 and liner stack gathering sill 4 and are positioned at the front end of liner horizontal rail groove 12, and liner stacks gathering sill 4 and longitudinally arranges, and liner 18 overlays liner and stacks in gathering sill 4.Liner stacks the lower end of gathering sill 4 and the gear teeth of main drive wheel 3 join, and the liner that every rotation one tooth of main drive wheel 3 just stacks liner in gathering sill 4 is sent in liner horizontal rail groove 12.
The top of liner horizontal rail groove 12 front portions is provided with the upper turning cylinder 5 and the lower turning cylinder 6 that are parallel to each other, the middle part of upper turning cylinder 5 is installed with and on liner, drives rubber wheel 7, one end of upper turning cylinder 5 is installed with pair and drives driven gear 8, the middle part of lower turning cylinder 6 is installed with and under liner, drives rubber wheel 9, one end of lower turning cylinder 6 is installed with lower pair and drives driving gear 10, on liner, drive under rubber wheel 7 and liner and drive the corresponding setting of rubber wheel 9, upper pair drives driven gear 8 and lower pair is driven driving gear 10 engaged transmission.Lower pair is driven between driving gear 10 and main drive wheel 3 and is provided with sprocket wheel link chain mechanism 11, on liner, driving under rubber wheel 7 and liner drives the common liner 18 that drives of rubber wheel 9 to move backward, liner drive motors 1 drives lower pair to drive driving gear 10 by reductor 2 and rotates, and lower pair is driven driving gear 10 and driven upper pair to drive driven gear 8 to rotate.Between liner drive motors 1 and reductor 2, be provided with V-belt 19.
The left and right sides of liner horizontal rail groove 12 is symmetrically arranged with Carborundum wheel 13, and Carborundum wheel 13 is driven by each self-corresponding grinding wheel drive mitor 14.Two Carborundum wheels 13, two chamfers to liner 18.
The top of liner horizontal rail groove 12 is provided with anti-folding limited block 15, and anti-folding limited block 15 is between lower turning cylinder 6 and liner main drive wheel 3, and the spacing between anti-folding limited block 15 and liner horizontal rail groove 12 is determined by the thickness of liner 18.Anti-folding limited block 15 is bolted on liner and stacks the rear side of gathering sill 4.
The top at liner horizontal rail groove 12 rear portions is provided with powder dedusting outlet 16, and powder dedusting outlet 16 is connected with air station by pulsed dedusting tracheae 17.
Wherein, liner main drive wheel 3, upper pair are driven the direction of rotation that driven gear 8, lower pair drive driving gear 10, and the moving direction of liner 18 as shown by arrows in FIG..
Shown in Fig. 5, Fig. 6, emery wheel master carrier 21 comprises horizontal supporting plate 21a and vertical supporting plate 21b, and both are mutually vertical, and vertically the upper end of supporting plate 21b and the medial extremity of horizontal supporting plate 21a are fixed together.Vertically supporting plate 21b is fixed on the sidewall of frame 20 by the first bolt 22, and vertically the height of supporting plate 21b is less than the height of frame 20, is provided with the first bar-shaped trough 20a of the upper downward-extension corresponding with the first bolt 22 on the sidewall of frame 20.Vertically the outside vertical of supporting plate 21b is welded with the first nut 23, on the sidewall of frame 20, be vertically welded with the second nut 24, the second nut 24 be positioned at the first nut 23 under, the first nut 23 and the second nut 24 coaxially arrange, and the diameter of screwed hole and pitch are mated with grinding wheel drive mitor up-down adjustment screw rod 26.Grinding wheel drive mitor up-down adjustment screw rod 26 is first screwed into the second nut 24 and is screwed in the first nut 23 again.When up-down adjustment, first unscrew the first bolt 22, because the second nut 24 is fixed in frame 20, the first nut 23 is fixed on vertical supporting plate 21b, turn grinding wheel drive mitor up-down adjustment screw rod 26, frame 20 is motionless, and the first nut 23 drives emery wheel master carrier 21 to move up and down along the first bar-shaped trough 20a, tighten again the first bolt 22, thereby realized the up-down adjustment of emery wheel.
Grinding wheel drive mitor Level tune supporting plate 28 is bolted on horizontal supporting plate 21a by second, on horizontal supporting plate 21a, be provided with the second bar-shaped trough that extend the left and right corresponding with the second bolt, on grinding wheel drive mitor Level tune supporting plate 28, be vertically welded with the 3rd nut 30, on horizontal supporting plate 21a, be vertically welded with the 4th nut 31, and the 4th nut 31 is positioned at the outside of the 3rd nut 30, the 3rd nut 30 and the 4th nut 31 coaxially arrange, and the diameter of screwed hole and pitch are mated with emery wheel depth of cut adjusting screw(rod) 25.Emery wheel depth of cut adjusting screw(rod) 25 is first screwed into the 4th nut 31 and is screwed in the 3rd nut 30 again.When the emery wheel depth of cut regulates, first unscrew the second bolt, because the 4th nut 31 is fixed on horizontal supporting plate 21a, the 3rd nut 30 is fixed on grinding wheel drive mitor Level tune supporting plate 28, turn emery wheel depth of cut adjusting screw(rod) 25, emery wheel master carrier 21 is motionless, and the 3rd nut 30 drives grinding wheel drive mitor Level tune supporting plate 28 to move left and right along the second bar-shaped trough, tighten again the second bolt, thereby realized the adjusting of the emery wheel depth of cut.The Principles of Regulation that the emery wheel depth of cut regulates are identical with the principle of the up-down adjustment of emery wheel.
The medial extremity of grinding wheel drive mitor Level tune supporting plate 28 is connected with a connecting plate 32, and the medial extremity of grinding wheel drive mitor support plate 33 is connected on connecting plate 32.The lower end of grinding wheel drive mitor angular adjustment bow 27 is fixed on the outboard end of horizontal supporting plate 21a, the upper end of grinding wheel drive mitor angular adjustment bow 27 has arc-shaped hole 27a, and the outboard end of grinding wheel drive mitor support plate 33 is fixed on grinding wheel drive mitor angular adjustment bow 27 by the 3rd bolt 29 being arranged in arc-shaped hole 27a.When emery wheel angular adjustment, first unscrew the 3rd bolt 29, grinding wheel drive mitor support plate 33, grinding wheel drive mitor angular adjustment bow 27 are rotated around connecting plate 32 and the tie point of grinding wheel drive mitor Level tune supporting plate 28 together with connecting plate 32, when turning to after the angle needing, tighten again the 3rd bolt 29, thereby realized the angular adjustment of grinding wheel drive mitor.
Preferably, between horizontal supporting plate 21a and vertical supporting plate 21b, be provided with leg-of-mutton stiffener 21c.
In addition, preferably totally two, the first bolt 22 of vertical connecting supporting plate 21b and frame 20, is symmetricly set on the left and right sides of grinding wheel drive mitor up-down adjustment screw rod 26, and correspondingly, the first bar-shaped trough 20a is also provided with two.
Known in conjunction with Fig. 1, two Carborundum wheels 16, two chamfers to liner 18.Grinding wheel drive mitor 17 is bolted on grinding wheel drive mitor support plate 33, and Carborundum wheel 16 is fixed on the turning cylinder of grinding wheel drive mitor 17.