CN104875111B - A kind of reciprocator of sleeve milling apparatus - Google Patents
A kind of reciprocator of sleeve milling apparatus Download PDFInfo
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- CN104875111B CN104875111B CN201510269849.3A CN201510269849A CN104875111B CN 104875111 B CN104875111 B CN 104875111B CN 201510269849 A CN201510269849 A CN 201510269849A CN 104875111 B CN104875111 B CN 104875111B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
Abstract
The invention belongs to mechanical transmission fields, are related to a kind of reciprocator of sleeve milling apparatus, it is linear reciprocating motion by convert rotational motion.It includes main shaft housing (1), main shaft (2) and the main shaft bearing component of sleeve milling apparatus, it is characterised in that：Described reciprocator is made up of guide assembly, sliding support component and movement conversion mechanism.The present invention proposes a kind of reciprocator of sleeve milling apparatus, can be by the convert rotational motion of axle for up and down reciprocatingly moving along a straight line, it is achieved that above set 29 and trap 30 mechanical lapping, alleviate the amount of labour of workman, improve grinding efficiency, it is ensured that the grinding precision of product.
Description
Technical field
The invention belongs to mechanical transmission fields, are related to a kind of reciprocator of sleeve milling apparatus, by rotary motion
It is converted into linear reciprocating motion.
Background technology
At present have two sleeves that works in coordination in certain type high temperature combination valve, referring to Fig. 7 in upper set 29 and trap 30, on
Set 29 is inserted in traps in 30, and both quality of fits require very high, and fit tolerance is in micron order.Outside current set 29 in grinding
Circle and trap 30 endoporus when, grind by manual, the hand-held upper set 29 of workman and trap 30 to carry out upper and lower linear reciprocation mutual
Grinding, the amount of labour of workman are big, and the grinding precision for deflection, grinding efficiency and product easily occur is low.
Content of the invention
The purpose of the present invention is：A kind of reciprocator of sleeve milling apparatus is proposed, so as to by the rotary motion of axle
Be converted into and up and down reciprocatingly move along a straight line, in realization set 29 and trap 30 mechanical lapping, mitigate workman the amount of labour, improve grinding
Efficiency, it is ensured that the grinding precision of product.
The technical scheme is that：A kind of reciprocator of sleeve milling apparatus, including sleeve milling apparatus
Main shaft housing 1, main shaft 2 and main shaft bearing component, the right flank of main shaft housing 1 are perpendicular to sleeve milling apparatus lower table
Rectangle plane, the lower table of sleeve milling apparatus are located at the lower section of main shaft housing 1, and the table top of lower table is put down with horizontal plane
OK, on the right flank of main shaft housing 1, there are the main shaft bearing installing hole 1a of a level, the left end of the main shaft bearing installing hole to have
Bearing outer ring mounting seat, main shaft bearing component are made up of main shaft bearing 3, bearing cap 4 and bearing cap trip bolt 5, main shaft bearing 3
Bearing outer ring be located in described bearing outer ring mounting seat and keep interference fits, right by being located at the main shaft bearing installing hole
The bearing outer ring of main shaft bearing 3 is compressed by the bearing cap 4 at end, and bearing cap 4 is fixed on main shaft housing by bearing cap trip bolt 5
On 1 right flank, main shaft 2 is right section of axle external diameter more than the Step Shaft of left section of axle external diameter, and the bearing inner race of main shaft bearing 3 is enclosed within master
On left section of axle of axle 2 and the right side of interference fits, 3 bearing inner race of main shaft bearing is kept to fit with the step end face of main shaft 2, main
Aperture of the right section of axle external diameter of axle 2 less than bearing outer ring mounting seat；It is characterized in that：Described reciprocator is by set of rails
Part, sliding support component and movement conversion mechanism composition；
Described guide assembly is by rear rail 25a, the fromer rail 25b and 26 groups of guide rail fixing screws that cross section is rectangle
Into；Rear rail 25a is identical with the structure of fromer rail 25b, has along guide rail on the left and right side of rear rail 25a and fromer rail 25b
Length direction is evenly distributed, the guide rail sunk screw via of insertion, on the right flank of main shaft housing 1 near leading edge with after
Respectively there are row guide rail fixing screwed hole 1b arranged vertically, the quantity of guide rail fixing screwed hole 1b and guide rail countersunk head in the position at edge
The quantity of screw via is identical and position is corresponding, and rear rail 25a is fixed on main shaft housing 1 by guide rail fixing screws 26
Near antemarginal position on right flank, fromer rail 25b is fixed on the right flank of main shaft housing 1 position near leading edge
Put, rear rail 25a and fromer rail 25b parallel to reciprocator vertical section and relative to reciprocator hang down
Straight section is symmetrical, and the vertical section of reciprocator is the vertical plane through 2 axis of main shaft；
Described sliding support component fixes spiral shell by guide pad 24a, 2 front guide pad 24b after travelling carriage, 2 and guide pad
Nail 23 is constituted；Travelling carriage is by bearing 17, scratch diskette 18, top board 19, back vertical plate 20a, front vertical plate 20b, rear guide pad installing plate 22a
It is welded to form with front guide pad installing plate 22b；Scratch diskette 18 is a plate for being shaped as rectangle or circle, and scratch diskette 18 is
The base plate of travelling carriage；Back vertical plate 20a and front vertical plate 20b are equivalently-sized rectangular slabs, under back vertical plate 20a and front vertical plate 20b
End face is overall, the plate face and reciprocator of back vertical plate 20a and front vertical plate 20b with the upper surface vertical welding of scratch diskette 18
Vertical section parallel and vertical section of relative to reciprocator is symmetrical；Top board 19 is a rectangular slab, top board 19
The upper right comer region vertical welding of rear end face and back vertical plate 20a front surfaces be overall, the front end face of top board 19 and front vertical plate 20b
The upper right comer region vertical welding on surface is overall afterwards；Guide pad installing plate 22a and front guide pad installing plate 22b are size phases afterwards
Same rectangular slab, the upper-lower height of rear guide pad installing plate 22a are equal with the upper-lower height of back vertical plate 20a, and rear guide pad is installed
The leading edge of plate 22a is entirety, the lower surface of rear guide pad installing plate 22a and work with the left hand edge vertical welding of back vertical plate 20a
The upper surface vertical welding for making disk 18 is overall, and the back edge of front guide pad installing plate 22b is vertical with the left hand edge of front vertical plate 20b
Entirety is welded as, the lower surface of front guide pad installing plate 22b is overall with the upper surface vertical welding of scratch diskette 18；Guide pad afterwards
24a is a cuboid, gathering sill that have up/down perforation on the left surface of rear guide pad 24a, that cross section is rectangle, 2
Guide pad 24a is fixed on the left surface of rear guide pad installing plate 22a one on the other by guide pad fixing screws 23 afterwards, 2
The gathering sill of guide pad 24a is enclosed within rear rail 25a afterwards, and the width gaps of the width of gathering sill and rear rail 25a cross sections are matched somebody with somebody
Close；The structure of front guide pad 24b is identical with rear guide pad 24a with size, and 2 front guide pad 24b pass through guide pad fixing screws
On 23 left surfaces for being fixed on front guide pad installing plate 22b one on the other, the gathering sill of 2 front guide pad 24b is enclosed within fromer rail
On 25b；Bearing 17 is a cuboid, and the lower surface of bearing 17 is overall, bearing with the upper surface vertical welding of scratch diskette 18
17 left surface is vertical with the axis of main shaft 2, and the vertical section of reciprocator is that face vertically divided equally by bearing 17, in bearing
The axis that the bearing axis hole of one 17 left and right surfaces of insertion bearing, bearing axis hole is arranged at 17 top is located at reciprocator
In vertical section and the diameter parallel with main shaft 2, there are at least 3 bearings being uniformly distributed along the circumference around the bearing axis hole
Screwed hole；
Described movement conversion mechanism is made up of crank assemblies, transmission shaft component and link assembly；Crank assemblies are by bias
Seat 6, eccentric shaft 7, eccentric shaft fixing screws 8, eccentric mounting fixing screws 13 and straight end-face key 14 are constituted；Have on the end face of main shaft 2
One oblong side keyway 2a, respectively has spindle thread blind hole 2b, side keyway in the both sides up and down of side keyway 2a
The bisector of 2a widths is orthogonal with the line of centres of 2 spindle thread blind holes 2b, and the orthogonal intersection point is located at the axle of main shaft 2
On line；Eccentric mounting 6 has cuboid profile, has 6 two broadsides of an insertion eccentric mounting, horizontal stroke on the right surface of eccentric mounting 6
The stopper slot 6f of rectangular cross-section, the distance on stopper slot 6f to 6 two long sides of eccentric mounting are equal, on the left surface of eccentric mounting 6,
Position near 6 one broadsides of eccentric mounting has between the external diameter of eccentric mounting blind hole 6a, the aperture of eccentric mounting blind hole 6a and main shaft 2
Gap coordinates, and the axis of eccentric mounting blind hole 6a is orthogonal with the center line of stopper slot 6f widths, in the bottom hole of eccentric mounting blind hole 6a
On have an oblong eccentric mounting keyway 6c, the center line of eccentric mounting keyway 6c widths and stopper slot 6f widths
Central axis, the axis of eccentric mounting keyway 6c and the axis coaxle of eccentric mounting blind hole 6a, the size of eccentric mounting keyway 6c and end
Face keyway 2a's is equivalently-sized, and the insertion portion of the bottom land of the bottom land and stopper slot 6f of eccentric mounting keyway 6c forms a rectangle
Phase perforation, the width of the length of eccentric mounting keyway 6c more than stopper slot 6f, on the bottom land of stopper slot 6f, eccentric mounting keyway 6c
Respectively there are an eccentric mounting sunk screw via 6b, the position of eccentric mounting sunk screw via 6b and spindle thread blind hole in both sides up and down
The position of 2b is corresponding, in the eccentric mounting screwed hole 6d for having 4 rectangular arrangements near the position of 6 another broadside of eccentric mounting, limit
Respectively there are 2 eccentric mounting screwed hole 6d the both sides of position groove 6f；The contour shape phase of the contour shape of straight end-face key 14 and side keyway 2a
With the axial width of straight end-face key 14 is less than or equal to the depth of side keyway 2a and the depth sum of eccentric mounting keyway 6c；Main shaft 2
In insertion eccentric mounting blind hole 6a, straight end-face key 14 is located in the straight end-face key keyway that side keyway 2a and eccentric mounting keyway 6c are collectively constituted
And keeping gap to coordinate, eccentric mounting fixing screws 13 are screwed into spindle thread blind hole 2b through after eccentric mounting sunk screw via 6b
Interior, eccentric mounting 6 is fixed on main shaft 2；Described eccentric shaft 7 is added through one by the locating piece 7a on the left side and the Step Shaft on the right
Work is molded, and locating piece 7a is constituted by block main body, rear convex shoulder 7b and front convex shoulder 7f is positioned, and positioning block main body is a cuboid,
The rear surface right-hand member of locating piece 7a has the rear convex shoulder 7b of a vertical stretching backward, has one in the front surface right-hand member of locating piece 7a
The front convex shoulder 7f of vertical stretching, makes locating piece 7a form T-shaped component forward, positions the width in front and back of block main body with stopper slot 6f's
Groove width gap coordinates, and in the embedded stopper slot 6f of positioning block main body, respectively has 2 locating piece screws on rear convex shoulder 7b and front convex shoulder 7f
Via, the position of above-mentioned 4 locating pieces screw via are corresponding for position with eccentric mounting screwed hole 6d respectively, by 4 bias
Axle fixing screws 8 are fixed on locating piece 7a on eccentric mounting 6, the Step Shaft on the right of eccentric shaft 7 by left section of big axle 7c of diameter and
The diameter parallel of right section of little axle 7d composition of diameter, the axis of the Step Shaft and eccentric mounting blind hole 6a, the axle of the Step Shaft
The distance between axis of line and eccentric mounting blind hole 6a is eccentric throw λ, and the position near right side on right section of axle 7d has one
First circlip for shaft mounting groove 7e of annular；
Described transmission shaft component is made up of power transmission shaft 15 and power transmission shaft fixing screws 16, and power transmission shaft 15 is a left section of axle
There is circular shoulder in footpath in the left end of power transmission shaft 15, in the circular shoulder near the position of circumference more than the Step Shaft of the right section of diameter of axle
The transmission axle screw via being uniformly distributed along the circumference is equipped with, the quantity of axle screw via and the quantity of 17 upper bracket screwed hole of bearing is driven
Identical and position is corresponding, and left section of axle of power transmission shaft 15 through the bearing axis hole on bearing 17 and keeps gap to match somebody with somebody from left to right
Close, the circular shoulder of power transmission shaft 15 is fixed on bearing 17 by power transmission shaft fixing screws 16, in right section of axle of power transmission shaft 15
There is a second annular circlip for shaft mounting groove position of upper, close right side；
Described link assembly is by connecting rod 12 and the clutch shaft bearing unit on connecting rod 12 and second bearing unit group
Into；Connecting rod 12 is a rectangular slab, has a clutch shaft bearing installing hole 12a on the plate face top of connecting rod 12, pacifies in clutch shaft bearing
Dress hole 12a has an inwardly protruded first annular boss on the inwall of right output port, and the first annular boss constitutes bearing
Outer ring mounting seat, has a first annular circlip for hole on the inwall of left port in clutch shaft bearing installing hole 12a
Mounting groove；There is a second bearing installing hole 12b in the plate face bottom of connecting rod 12, in second bearing installing hole 12b near right-hand member
Mouthful inwall on have inwardly protruded second annular boss, second annular boss constitutes bearing outer ring mounting seat, the
Two bearing mounting hole 12b have a second annular circlip for hole mounting groove on the inwall of left port；Clutch shaft bearing
Unit is made up of the first circlip for hole 9a, clutch shaft bearing 10a and the first circlip for shaft 11a, and clutch shaft bearing 10a's is outer
Circle is located in clutch shaft bearing installing hole 12a and keeps interference fit, the right side of clutch shaft bearing 10a outer rings and first annular boss
Left side laminating, the first circlip for hole 9a be located at the first circlip for hole mounting groove in define clutch shaft bearing 10a
The axial location of outer ring, right section of axle 7d of 7 Step Shaft of eccentric shaft pass through the inner ring centre bore of clutch shaft bearing 10a from left to right and protect
Interference fit is held, the left side of clutch shaft bearing 10a inner rings is fitted with the step end face on 7 Step Shaft of eccentric shaft, first axle bullet
First axle is defined in the first circlip for shaft mounting groove 7e that property back-up ring 11a is stuck on right section of axle 7d of 7 Step Shaft of eccentric shaft
Hold the axial location of 10a inner rings；Second bearing unit is by the second circlip for hole 9b, second bearing 10b and the second axle bullet
Property back-up ring 11b composition, the outer ring of second bearing 10b is located in second bearing installing hole 12b and keeps interference fit, second bearing
The right side of 10b outer rings is fitted with the left side of the second annular boss, and the second circlip for hole 9b is located at the second hole elasticity
Define in back-up ring mounting groove that the axial location of second bearing 10b outer ring, right section of axle of power transmission shaft 15 pass through second from left to right
The inner ring centre bore of bearing 10b simultaneously keeps interference fit, the step end face of the left side of second bearing 10b inner ring and power transmission shaft 15
Laminating, defines in the second circlip for shaft mounting groove that the second circlip for shaft 11b is stuck on 15 right sections of axles of power transmission shaft
The axial location of second bearing 10b inner ring；
When crank assemblies are in main shaft 2 when being rotated by, by transmission shaft component and link assembly by crank assemblies
Be converted to up and down reciprocatingly linear motion of the travelling carriage along rear rail 25a and fromer rail 25b, the distance of motion is 2 times inclined
The heart is away from λ.
It is an advantage of the invention that：A kind of reciprocator of sleeve milling apparatus is proposed, can be by the rotary motion of axle
Be converted into and up and down reciprocatingly move along a straight line, it is achieved that above set 29 and trap 30 mechanical lapping, alleviate the amount of labour of workman, improve
Grinding efficiency, it is ensured that the grinding precision of product.One embodiment of the present of invention, tests prove that, grinding efficiency is than artificial
Operation improves more than 20 times.
Description of the drawings
Fig. 1 is the structural representation of the present invention, and the figure is the vertical sectional view of the present invention, and direction of visual lines is direction in paper.
In paper, direction is rear, and the outer direction of paper is front, and direction is constant up and down.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the structural representation of eccentric mounting 6.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the structural representation of eccentric shaft 7.
Fig. 6 is Fig. 5 top views.
Fig. 7 be grinding on set 29 and trap 30 schematic diagram.
Specific embodiment
Below the present invention is described in further details.Referring to Fig. 1 to Fig. 7, a kind of reciprocating motion of sleeve milling apparatus
Device, the main shaft housing 1, main shaft 2 and main shaft bearing component including sleeve milling apparatus, the right flank of main shaft housing 1 is vertical
In the rectangle plane of sleeve milling apparatus lower table, the lower table of sleeve milling apparatus is located at the lower section of main shaft housing 1, under
The table top and plane-parallel of workbench, the main shaft bearing installing hole 1a for having a level on the right flank of main shaft housing 1 should
The left end of main shaft bearing installing hole has bearing outer ring mounting seat, and main shaft bearing component is by main shaft bearing 3, bearing cap 4 and bearing cap
Trip bolt 5 is constituted, and the bearing outer ring of main shaft bearing 3 is located in described bearing outer ring mounting seat and keeps interference fits, leads to
Cross the bearing outer ring compression for the bearing cap 4 of the main shaft bearing installing hole right-hand member being located at by main shaft bearing 3, bearing cap 4 passes through bearing
Lid trip bolt 5 is fixed on the right flank of main shaft housing 1, and main shaft 2 is Step Shaft of the right section of axle external diameter more than left section of axle external diameter,
The bearing inner race of main shaft bearing 3 is enclosed within left section of axle of main shaft 2 and keeps interference fits, the right-hand member of 3 bearing inner race of main shaft bearing
Face is fitted with the step end face of main shaft 2, and right section of axle external diameter of main shaft 2 is less than the aperture of bearing outer ring mounting seat；It is characterized in that：
Described reciprocator is made up of guide assembly, sliding support component and movement conversion mechanism；
Described guide assembly is by rear rail 25a, the fromer rail 25b and 26 groups of guide rail fixing screws that cross section is rectangle
Into；Rear rail 25a is identical with the structure of fromer rail 25b, has along guide rail on the left and right side of rear rail 25a and fromer rail 25b
Length direction is evenly distributed, the guide rail sunk screw via of insertion, on the right flank of main shaft housing 1 near leading edge with after
Respectively there are row guide rail fixing screwed hole 1b arranged vertically, the quantity of guide rail fixing screwed hole 1b and guide rail countersunk head in the position at edge
The quantity of screw via is identical and position is corresponding, and rear rail 25a is fixed on main shaft housing 1 by guide rail fixing screws 26
Near antemarginal position on right flank, fromer rail 25b is fixed on the right flank of main shaft housing 1 position near leading edge
Put, rear rail 25a and fromer rail 25b parallel to reciprocator vertical section and relative to reciprocator hang down
Straight section is symmetrical, and the vertical section of reciprocator is the vertical plane through 2 axis of main shaft；
Described sliding support component fixes spiral shell by guide pad 24a, 2 front guide pad 24b after travelling carriage, 2 and guide pad
Nail 23 is constituted；Travelling carriage is by bearing 17, scratch diskette 18, top board 19, back vertical plate 20a, front vertical plate 20b, rear guide pad installing plate 22a
It is welded to form with front guide pad installing plate 22b；Scratch diskette 18 is a plate for being shaped as rectangle or circle, and scratch diskette 18 is
The base plate of travelling carriage；Back vertical plate 20a and front vertical plate 20b are equivalently-sized rectangular slabs, under back vertical plate 20a and front vertical plate 20b
End face is overall, the plate face and reciprocator of back vertical plate 20a and front vertical plate 20b with the upper surface vertical welding of scratch diskette 18
Vertical section parallel and vertical section of relative to reciprocator is symmetrical；Top board 19 is a rectangular slab, top board 19
The upper right comer region vertical welding of rear end face and back vertical plate 20a front surfaces be overall, the front end face of top board 19 and front vertical plate 20b
The upper right comer region vertical welding on surface is overall afterwards；Guide pad installing plate 22a and front guide pad installing plate 22b are size phases afterwards
Same rectangular slab, the upper-lower height of rear guide pad installing plate 22a are equal with the upper-lower height of back vertical plate 20a, and rear guide pad is installed
The leading edge of plate 22a is entirety, the lower surface of rear guide pad installing plate 22a and work with the left hand edge vertical welding of back vertical plate 20a
The upper surface vertical welding for making disk 18 is overall, and the back edge of front guide pad installing plate 22b is vertical with the left hand edge of front vertical plate 20b
Entirety is welded as, the lower surface of front guide pad installing plate 22b is overall with the upper surface vertical welding of scratch diskette 18；Guide pad afterwards
24a is a cuboid, gathering sill that have up/down perforation on the left surface of rear guide pad 24a, that cross section is rectangle, 2
Guide pad 24a is fixed on the left surface of rear guide pad installing plate 22a one on the other by guide pad fixing screws 23 afterwards, 2
The gathering sill of guide pad 24a is enclosed within rear rail 25a afterwards, and the width gaps of the width of gathering sill and rear rail 25a cross sections are matched somebody with somebody
Close；The structure of front guide pad 24b is identical with rear guide pad 24a with size, and 2 front guide pad 24b pass through guide pad fixing screws
On 23 left surfaces for being fixed on front guide pad installing plate 22b one on the other, the gathering sill of 2 front guide pad 24b is enclosed within fromer rail
On 25b；Bearing 17 is a cuboid, and the lower surface of bearing 17 is overall, bearing with the upper surface vertical welding of scratch diskette 18
17 left surface is vertical with the axis of main shaft 2, and the vertical section of reciprocator is that face vertically divided equally by bearing 17, in bearing
The axis that the bearing axis hole of one 17 left and right surfaces of insertion bearing, bearing axis hole is arranged at 17 top is located at reciprocator
In vertical section and the diameter parallel with main shaft 2, there are at least 3 bearings being uniformly distributed along the circumference around the bearing axis hole
Screwed hole；
Described movement conversion mechanism is made up of crank assemblies, transmission shaft component and link assembly；Crank assemblies are by bias
Seat 6, eccentric shaft 7, eccentric shaft fixing screws 8, eccentric mounting fixing screws 13 and straight end-face key 14 are constituted；Have on the end face of main shaft 2
One oblong side keyway 2a, respectively has spindle thread blind hole 2b, side keyway in the both sides up and down of side keyway 2a
The bisector of 2a widths is orthogonal with the line of centres of 2 spindle thread blind holes 2b, and the orthogonal intersection point is located at the axle of main shaft 2
On line；Eccentric mounting 6 has cuboid profile, has 6 two broadsides of an insertion eccentric mounting, horizontal stroke on the right surface of eccentric mounting 6
The stopper slot 6f of rectangular cross-section, the distance on stopper slot 6f to 6 two long sides of eccentric mounting are equal, on the left surface of eccentric mounting 6,
Position near 6 one broadsides of eccentric mounting has between the external diameter of eccentric mounting blind hole 6a, the aperture of eccentric mounting blind hole 6a and main shaft 2
Gap coordinates, and the axis of eccentric mounting blind hole 6a is orthogonal with the center line of stopper slot 6f widths, in the bottom hole of eccentric mounting blind hole 6a
On have an oblong eccentric mounting keyway 6c, the center line of eccentric mounting keyway 6c widths and stopper slot 6f widths
Central axis, the axis of eccentric mounting keyway 6c and the axis coaxle of eccentric mounting blind hole 6a, the size of eccentric mounting keyway 6c and end
Face keyway 2a's is equivalently-sized, and the insertion portion of the bottom land of the bottom land and stopper slot 6f of eccentric mounting keyway 6c forms a rectangle
Phase perforation, the width of the length of eccentric mounting keyway 6c more than stopper slot 6f, on the bottom land of stopper slot 6f, eccentric mounting keyway 6c
Respectively there are an eccentric mounting sunk screw via 6b, the position of eccentric mounting sunk screw via 6b and spindle thread blind hole in both sides up and down
The position of 2b is corresponding, in the eccentric mounting screwed hole 6d for having 4 rectangular arrangements near the position of 6 another broadside of eccentric mounting, limit
Respectively there are 2 eccentric mounting screwed hole 6d the both sides of position groove 6f；The contour shape phase of the contour shape of straight end-face key 14 and side keyway 2a
With the axial width of straight end-face key 14 is less than or equal to the depth of side keyway 2a and the depth sum of eccentric mounting keyway 6c；Main shaft 2
In insertion eccentric mounting blind hole 6a, straight end-face key 14 is located in the straight end-face key keyway that side keyway 2a and eccentric mounting keyway 6c are collectively constituted
And keeping gap to coordinate, eccentric mounting fixing screws 13 are screwed into spindle thread blind hole 2b through after eccentric mounting sunk screw via 6b
Interior, eccentric mounting 6 is fixed on main shaft 2；Described eccentric shaft 7 is added through one by the locating piece 7a on the left side and the Step Shaft on the right
Work is molded, and locating piece 7a is constituted by block main body, rear convex shoulder 7b and front convex shoulder 7f is positioned, and positioning block main body is a cuboid,
The rear surface right-hand member of locating piece 7a has the rear convex shoulder 7b of a vertical stretching backward, has one in the front surface right-hand member of locating piece 7a
The front convex shoulder 7f of vertical stretching, makes locating piece 7a form T-shaped component forward, positions the width in front and back of block main body with stopper slot 6f's
Groove width gap coordinates, and in the embedded stopper slot 6f of positioning block main body, respectively has 2 locating piece screws on rear convex shoulder 7b and front convex shoulder 7f
Via, the position of above-mentioned 4 locating pieces screw via are corresponding for position with eccentric mounting screwed hole 6d respectively, by 4 bias
Axle fixing screws 8 are fixed on locating piece 7a on eccentric mounting 6, the Step Shaft on the right of eccentric shaft 7 by left section of big axle 7c of diameter and
The diameter parallel of right section of little axle 7d composition of diameter, the axis of the Step Shaft and eccentric mounting blind hole 6a, the axle of the Step Shaft
The distance between axis of line and eccentric mounting blind hole 6a is eccentric throw λ, and the position near right side on right section of axle 7d has one
First circlip for shaft mounting groove 7e of annular；
Described transmission shaft component is made up of power transmission shaft 15 and power transmission shaft fixing screws 16, and power transmission shaft 15 is a left section of axle
There is circular shoulder in footpath in the left end of power transmission shaft 15, in the circular shoulder near the position of circumference more than the Step Shaft of the right section of diameter of axle
The transmission axle screw via being uniformly distributed along the circumference is equipped with, the quantity of axle screw via and the quantity of 17 upper bracket screwed hole of bearing is driven
Identical and position is corresponding, and left section of axle of power transmission shaft 15 through the bearing axis hole on bearing 17 and keeps gap to match somebody with somebody from left to right
Close, the circular shoulder of power transmission shaft 15 is fixed on bearing 17 by power transmission shaft fixing screws 16, in right section of axle of power transmission shaft 15
There is a second annular circlip for shaft mounting groove position of upper, close right side；
Described link assembly is by connecting rod 12 and the clutch shaft bearing unit on connecting rod 12 and second bearing unit group
Into；Connecting rod 12 is a rectangular slab, has a clutch shaft bearing installing hole 12a on the plate face top of connecting rod 12, pacifies in clutch shaft bearing
Dress hole 12a has an inwardly protruded first annular boss on the inwall of right output port, and the first annular boss constitutes bearing
Outer ring mounting seat, has a first annular circlip for hole on the inwall of left port in clutch shaft bearing installing hole 12a
Mounting groove；There is a second bearing installing hole 12b in the plate face bottom of connecting rod 12, in second bearing installing hole 12b near right-hand member
Mouthful inwall on have inwardly protruded second annular boss, second annular boss constitutes bearing outer ring mounting seat, the
Two bearing mounting hole 12b have a second annular circlip for hole mounting groove on the inwall of left port；Clutch shaft bearing
Unit is made up of the first circlip for hole 9a, clutch shaft bearing 10a and the first circlip for shaft 11a, and clutch shaft bearing 10a's is outer
Circle is located in clutch shaft bearing installing hole 12a and keeps interference fit, the right side of clutch shaft bearing 10a outer rings and first annular boss
Left side laminating, the first circlip for hole 9a be located at the first circlip for hole mounting groove in define clutch shaft bearing 10a
The axial location of outer ring, right section of axle 7d of 7 Step Shaft of eccentric shaft pass through the inner ring centre bore of clutch shaft bearing 10a from left to right and protect
Interference fit is held, the left side of clutch shaft bearing 10a inner rings is fitted with the step end face on 7 Step Shaft of eccentric shaft, first axle bullet
First axle is defined in the first circlip for shaft mounting groove 7e that property back-up ring 11a is stuck on right section of axle 7d of 7 Step Shaft of eccentric shaft
Hold the axial location of 10a inner rings；Second bearing unit is by the second circlip for hole 9b, second bearing 10b and the second axle bullet
Property back-up ring 11b composition, the outer ring of second bearing 10b is located in second bearing installing hole 12b and keeps interference fit, second bearing
The right side of 10b outer rings is fitted with the left side of the second annular boss, and the second circlip for hole 9b is located at the second hole elasticity
Define in back-up ring mounting groove that the axial location of second bearing 10b outer ring, right section of axle of power transmission shaft 15 pass through second from left to right
The inner ring centre bore of bearing 10b simultaneously keeps interference fit, the step end face of the left side of second bearing 10b inner ring and power transmission shaft 15
Laminating, defines in the second circlip for shaft mounting groove that the second circlip for shaft 11b is stuck on 15 right sections of axles of power transmission shaft
The axial location of second bearing 10b inner ring；
When crank assemblies are in main shaft 2 when being rotated by, by transmission shaft component and link assembly by crank assemblies
Be converted to up and down reciprocatingly linear motion of the travelling carriage along rear rail 25a and fromer rail 25b, the distance of motion is 2 times inclined
The heart is away from λ.
In order to increase the rigidity of travelling carriage, between back vertical plate 20a and rear guide pad installing plate 22a, at least it is welded with one
Strengthen gusset 21a afterwards, strengthen gusset 21b before one being at least welded between front vertical plate 20b and front guide pad installing plate 22b,
The quantity of reinforcement gusset 21a is identical with the quantity of front reinforcement gusset 21b and position is corresponding afterwards.
The present invention operation principle be：Main shaft 2 drives eccentric mounting 6 to rotate, by eccentric shaft 7, link assembly and power transmission shaft
Component drives travelling carriage to be pumped along rear rail 25a and fromer rail 25b, so as to being upper and lower by convert rotational motion
Linear reciprocating motion.
One embodiment of the present of invention, main shaft 2 are driven by motor, and top cylinder 29 is fixed on scratch diskette 18 by top cylinder fixture 27
Lower surface on, lower cylinder 30 28 is fixed on the lower table of sleeve milling apparatus by lower collet chuck tool, sleeve milling apparatus
Lower table is maintained static, and scratch diskette 18 is moved up and down and drives top cylinder to be ground with lower cylinder.
Claims (2)
1. a kind of reciprocator of sleeve milling apparatus, main shaft housing (1), main shaft (2) including sleeve milling apparatus and
Main shaft bearing component, the right flank of main shaft housing (1) are perpendicular to the rectangle plane of sleeve milling apparatus lower table, and sleeve grinds
The lower table of mill equipment is located at the lower section of main shaft housing (1), and the table top and plane-parallel of lower table, in main shaft housing
(1) the main shaft bearing installing hole (1a) of a level, the left end of the main shaft bearing installing hole have bearing outer ring on right flank
Mounting seat, main shaft bearing component are made up of main shaft bearing (3), bearing cap (4) and bearing cap trip bolt (5), main shaft bearing (3)
Bearing outer ring be located in described bearing outer ring mounting seat and keep interference fits, right by being located at the main shaft bearing installing hole
The bearing outer ring of main shaft bearing (3) is compressed by the bearing cap (4) at end, and bearing cap (4) is fixed on by bearing cap trip bolt (5)
On the right flank of main shaft housing (1), main shaft (2) is Step Shaft of the right section of axle external diameter more than left section of axle external diameter, main shaft bearing (3)
Bearing inner race is enclosed within left section of axle of main shaft (2) and keeps interference fits, the right side of main shaft bearing (3) bearing inner race and main shaft
(2) step end face laminating, right section of axle external diameter of main shaft (2) are less than the aperture of bearing outer ring mounting seat；It is characterized in that：Described
Reciprocator be made up of guide assembly, sliding support component and movement conversion mechanism；
Described guide assembly is by the rear rail (25a), fromer rail (25b) and guide rail fixing screws (26) group that cross section is rectangle
Into；Rear rail (25a) is identical with the structure of fromer rail (25b), on the left and right side of rear rail (25a) and fromer rail (25b)
Have along rail length direction is evenly distributed, insertion guide rail sunk screw via, close on the right flank of main shaft housing (1)
Respectively there is row guide rail fixing screwed hole (1b) arranged vertically leading edge and antemarginal position, guide rail fixing screwed hole (1b)
Quantity is identical with the quantity of guide rail sunk screw via and position is corresponding, by guide rail fixing screws (26) by rear rail
(25a) it is fixed on the right flank of main shaft housing (1) near antemarginal position, fromer rail (25b) is fixed on main shaft housing
(1) near the position of leading edge on right flank, rear rail (25a) and fromer rail (25b) hanging down parallel to reciprocator
Straight section and symmetrical relative to the vertical section of reciprocator, the vertical section of reciprocator is through main shaft
(2) vertical plane of axis；
Described sliding support component fixes spiral shell by guide pad (24a), 2 front guide pad (24b) and guide pad after travelling carriage, 2
Nail (23) composition；Travelling carriage by bearing (17), scratch diskette (18), top board (19), back vertical plate (20a), front vertical plate (20b), after lead
It is welded to form to block installing plate (22a) and front guide pad installing plate (22b)；Scratch diskette (18) is one and is shaped as rectangle or circle
The plate of shape, scratch diskette (18) are the base plates of travelling carriage；Back vertical plate (20a) and front vertical plate (20b) are equivalently-sized rectangular slabs,
The lower surface of back vertical plate (20a) and front vertical plate (20b) is overall, back vertical plate with the upper surface vertical welding of scratch diskette (18)
(20a) parallel with the vertical section of reciprocator with the plate face of front vertical plate (20b) and relative to reciprocator
Vertical section is symmetrical；Top board (19) is the upper right corner of a rectangular slab, the rear end face of top board (19) and back vertical plate (20a) front surface
Region vertical welding is overall, and the upper right comer region vertical welding on the front end face of top board (19) and front vertical plate (20b) surface afterwards is
Overall；Guide pad installing plate (22a) and front guide pad installing plate (22b) are equivalently-sized rectangular slabs afterwards, and rear guide pad is installed
The upper-lower height of plate (22a) is equal with the upper-lower height of back vertical plate (20a), the leading edge of rear guide pad installing plate (22a) with rear
The left hand edge vertical welding of riser (20a) is overall, the upper table of the lower surface of rear guide pad installing plate (22a) and scratch diskette (18)
Face vertical welding is overall, and the back edge of front guide pad installing plate (22b) is whole with the left hand edge vertical welding of front vertical plate (20b)
Body, the lower surface of front guide pad installing plate (22b) are overall with the upper surface vertical welding of scratch diskette (18)；Guide pad afterwards
(24a) it is a cuboid, gathering sill that have up/down perforation on the left surface of rear guide pad (24a), that cross section is rectangle,
After 2, guide pad (24a) is fixed on the left-handed watch of rear guide pad installing plate (22a) one on the other by guide pad fixing screws (23)
On face, after 2, the gathering sill of guide pad (24a) is enclosed within rear rail (25a), and the width of gathering sill is transversal with rear rail (25a)
The width gaps in face coordinate；The structure of front guide pad (24b) is identical with rear guide pad (24a) with size, 2 front guide pads
(24b) it is fixed on the left surface of front guide pad installing plate (22b), before 2 one on the other by guide pad fixing screws (23)
The gathering sill of guide pad (24b) is enclosed within fromer rail (25b)；Bearing (17) is a cuboid, the lower surface of bearing (17) with
The upper surface vertical welding of scratch diskette (18) is overall, and the left surface of bearing (17) is vertical with the axis of main shaft (2), moves back and forth
The vertical section of device is that face vertically divided equally by bearing (17), has an insertion bearing (17) left and right on the top of bearing (17)
The bearing axis hole on surface, the axis of bearing axis hole are located in the vertical section of reciprocator and the axis with main shaft (2)
Parallel, there are at least 3 bearing screwed holes being uniformly distributed along the circumference around the bearing axis hole；
Described movement conversion mechanism is made up of crank assemblies, transmission shaft component and link assembly；Crank assemblies are by eccentric mounting
(6), eccentric shaft (7), eccentric shaft fixing screws (8), eccentric mounting fixing screws (13) and straight end-face key (14) composition；In main shaft (2)
End face on have one oblong side keyway (2a), respectively have a spindle thread blind in the both sides up and down of side keyway (2a)
Hole (2b), side keyway (2a) width divide that face is orthogonal with the line of centres of 2 spindle thread blind holes (2b) equally, and this is orthogonal
Intersection point be located at main shaft (2) axis on；Eccentric mounting (6) has cuboid profile, on the right surface of eccentric mounting (6) has one
(6) two broadsides of insertion eccentric mounting, the stopper slot (6f) that cross section is rectangle, stopper slot (6f) are long to eccentric mounting (6) two
The distance on side is equal, on the left surface of eccentric mounting (6), near the position of (6) broadsides of eccentric mounting has an eccentric mounting blind
Hole (6a), the crest clearance of the aperture of eccentric mounting blind hole (6a) and main shaft (2) coordinate, the axis of eccentric mounting blind hole (6a) with spacing
The center line of groove (6f) width is orthogonal, has an oblong eccentric mounting keyway in the bottom hole of eccentric mounting blind hole (6a)
(6c), the central axis of the center line of eccentric mounting keyway (6c) width and stopper slot (6f) width, eccentric mounting key
The axis of groove (6c) and the chi of the axis coaxle of eccentric mounting blind hole (6a), the size of eccentric mounting keyway (6c) and side keyway (2a)
Very little identical, the insertion portion of the bottom land of the bottom land of eccentric mounting keyway (6c) and stopper slot (6f) forms the phase perforation of a rectangle,
Width of the length of eccentric mounting keyway (6c) more than stopper slot (6f), on the bottom land of stopper slot (6f), eccentric mounting keyway (6c)
Both sides up and down respectively have eccentric mounting sunk screw via (6b), the position of eccentric mounting sunk screw via (6b) and main shaft spiral shell
The position of line blind hole (2b) is corresponding, in the eccentric mounting spiral shell for having 4 rectangular arrangements near the position of eccentric mounting (6) another broadside
Pit (6d), the both sides of stopper slot (6f) respectively have 2 eccentric mounting screwed holes (6d)；The contour shape and straight end-face key of straight end-face key (14)
The contour shape of groove (2a) is identical, and the axial width of straight end-face key (14) is less than or equal to depth and the eccentric mounting of side keyway (2a)
The depth sum of keyway (6c)；In main shaft (2) insertion eccentric mounting blind hole (6a), straight end-face key (14) is positioned at side keyway (2a) and partially
In straight end-face key keyway that heart seat keyway (6c) is collectively constituted and gap is kept to coordinate, eccentric mounting fixing screws (13) pass through eccentric mounting
It is screwed into after sunk screw via (6b) in spindle thread blind hole (2b), eccentric mounting (6) is fixed on main shaft (2)；Described is inclined
Heart axle (7) by the locating piece (7a) on the left side and the Step Shaft on the right through being integrally machined shaping, locating piece (7a) by positioning block main body,
Convex shoulder (7b) and front convex shoulder (7f) are constituted afterwards, and positioning block main body is a cuboid, has in the rear surface right-hand member of locating piece (7a)
The rear convex shoulder (7b) of one vertical stretching backward, in the lordosis that the front surface right-hand member of locating piece (7a) has a vertical stretching forward
Shoulder (7f), makes locating piece (7a) form T-shaped component, and the groove width gap of the width in front and back and stopper slot (6f) that position block main body is matched somebody with somebody
Close, in the embedded stopper slot (6f) of positioning block main body, respectively there are 2 locating piece screw mistakes on rear convex shoulder (7b) and front convex shoulder (7f)
Hole, the position of above-mentioned 4 locating pieces screw via are corresponding for position with eccentric mounting screwed hole (6d) respectively, by 4 bias
Axle fixing screws (8) are fixed on locating piece (7a) on eccentric mounting (6), and the Step Shaft on the right of eccentric shaft (7) is by the big left side of diameter
The diameter parallel of right section of little axle (7d) composition of section axle (7c) and diameter, the axis of the Step Shaft and eccentric mounting blind hole (6a),
The distance between axis of the axis of the Step Shaft and eccentric mounting blind hole (6a) is eccentric throw λ, upper close in right section of axle (7d)
There is a first annular circlip for shaft mounting groove (7e) position of right side；
Described transmission shaft component is made up of power transmission shaft (15) and power transmission shaft fixing screws (16), and power transmission shaft (15) is one left section
The diameter of axle has circular shoulder in the left end of power transmission shaft (15), in the circular shoulder near circumference more than the Step Shaft of the right section of diameter of axle
Position have a transmission axle screw via being uniformly distributed along the circumference, be driven quantity and bearing (17) the upper bracket screwed hole of axle screw via
Quantity is identical and position corresponding, left section of axle of power transmission shaft (15) through the bearing axis hole on bearing (17) and is protected from left to right
Gap cooperation is held, the circular shoulder of power transmission shaft (15) is fixed on bearing (17) by power transmission shaft fixing screws (16), passed
There is a second annular circlip for shaft mounting groove on right section of axle of moving axis (15), near the position of right side；
Described link assembly is by connecting rod (12) and the clutch shaft bearing unit on connecting rod (12) and second bearing unit group
Into；Connecting rod (12) is a rectangular slab, has a clutch shaft bearing installing hole (12a) on the plate face top of connecting rod (12), first
Bearing mounting hole (12a) has an inwardly protruded first annular boss, the first annular boss on the inwall of right output port
Bearing outer ring mounting seat is constituted, has a first annular hole in clutch shaft bearing installing hole (12a) on the inwall of left port
Use circlip mounting groove；There is a second bearing installing hole (12b) in the plate face bottom of connecting rod (12), install in second bearing
There is inwardly protruded second annular boss in hole (12b) on the inwall of right output port, and second annular boss constitutes bearing
Outer ring mounting seat, has annular the second hole elasticity gear on the inwall of left port in second bearing installing hole (12b)
Circle mounting groove；Clutch shaft bearing unit is by the first circlip for hole (9a), clutch shaft bearing (10a) and the first circlip for shaft
(11a) constitute, the outer ring of clutch shaft bearing (10a) is located in clutch shaft bearing installing hole (12a) and keeps interference fit, clutch shaft bearing
(10a) right side of outer ring is fitted with the left side of first annular boss, and the first circlip for hole (9a) is used positioned at the first hole
The axial location of clutch shaft bearing (10a) outer ring, right section of axle (7d) of eccentric shaft (7) Step Shaft is defined in circlip mounting groove
Pass through the inner ring centre bore of clutch shaft bearing (10a) from left to right and keep interference fit, the left side of clutch shaft bearing (10a) inner ring
Fit with the step end face on eccentric shaft (7) Step Shaft, it is right that the first circlip for shaft (11a) is stuck in eccentric shaft (7) Step Shaft
The axial location of clutch shaft bearing (10a) inner ring is defined in the first circlip for shaft mounting groove (7e) in section axle (7d)；The
Two bearing units are made up of the second circlip for hole (9b), second bearing (10b) and the second circlip for shaft (11b), the
The outer ring of two bearings (10b) is located in second bearing installing hole (12b) and keeps interference fit, second bearing (10b) outer ring
Right side is fitted with the left side of the second annular boss, and the second circlip for hole (9b) is installed positioned at the second circlip for hole
Define in groove that the axial location of second bearing (10b) outer ring, right section of axle of power transmission shaft (15) pass through second bearing from left to right
(10b) inner ring centre bore simultaneously keeps interference fit, the step end of the left side of second bearing (10b) inner ring and power transmission shaft (15)
Face is fitted, and the second circlip for shaft (11b) is stuck in the second circlip for shaft mounting groove on right section of axle of power transmission shaft (15)
Define the axial location of second bearing (10b) inner ring；
When crank assemblies are in main shaft (2) when being rotated by, the turning crank assemblies by transmission shaft component and link assembly
Moving and travelling carriage being converted to along rear rail (25a) and the up and down reciprocatingly linear motion of fromer rail (25b), the distance of motion is 2 times
Eccentric throw λ.
2. reciprocator according to claim 1, it is characterised in that：Install in back vertical plate (20a) and rear guide pad
At least be welded with one between plate (22a) and strengthen gusset (21a) afterwards, front vertical plate (20b) and front guide pad installing plate (22b) it
Between be at least welded with one before strengthen gusset (21b), afterwards strengthen gusset (21a) quantity and front strengthen gusset (21b) quantity
Identical and position is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269849.3A CN104875111B (en) | 2015-05-25 | 2015-05-25 | A kind of reciprocator of sleeve milling apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269849.3A CN104875111B (en) | 2015-05-25 | 2015-05-25 | A kind of reciprocator of sleeve milling apparatus |
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| CN104875111A CN104875111A (en) | 2015-09-02 |
| CN104875111B true CN104875111B (en) | 2017-03-15 |
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| CN105841905B (en) * | 2016-05-23 | 2018-07-06 | 中国工程物理研究院总体工程研究所 | It is a kind of can automatic aligning linear motion compensation device |
| DE102018216615A1 (en) * | 2018-09-17 | 2020-03-19 | Aktiebolaget Skf | Process for processing a surface of a metal object |
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| CN201183213Y (en) * | 2008-04-07 | 2009-01-21 | 浙江名媛工艺饰品有限公司 | Drum grinding and polishing wheel reciprocating translation mechanism for drum-type water drill inclined surface grinding-polishing machine |
| EP2138256B1 (en) * | 2008-06-25 | 2011-06-22 | Supfina Grieshaber GmbH & Co. KG | Adjustable excentric drive for a machine tool, in particular for superfinishing or honing |
| CN201329532Y (en) * | 2008-12-29 | 2009-10-21 | 浙江名媛工艺饰品有限公司 | Reciprocating movement structure for grinding and polishing roll |
| CN201907062U (en) * | 2010-09-29 | 2011-07-27 | 河南工业大学 | Adjustable-stroke two-position eccentric reciprocating mechanism |
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