CN110076655A - A kind of slide bar type metallographic experimental piece fine motion grinding device and its grinding method - Google Patents
A kind of slide bar type metallographic experimental piece fine motion grinding device and its grinding method Download PDFInfo
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- CN110076655A CN110076655A CN201910362018.9A CN201910362018A CN110076655A CN 110076655 A CN110076655 A CN 110076655A CN 201910362018 A CN201910362018 A CN 201910362018A CN 110076655 A CN110076655 A CN 110076655A
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- 238000000227 grinding Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 29
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 241000826860 Trapezium Species 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
Classifications
-
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of slide bar type metallographic experimental piece fine motion grinding device and its grinding method, including pedestal, two pieces of vertical plates, two slide bars, movable slider component, quiet collet, dynamic collet and sand paper；The pedestal is placed on horizontal plane；Two slide bars are parallel to be mounted between two pieces of vertical plates；The movable slider component includes slide body, upper end of slide block lid, spring base, compression spring, backhaul rectangular bracket and two supporting slider seats；Metallographic experimental piece is mounted in dynamic collet, and dynamic collet and quiet collet are connected and fixed on movable slider component by dovetail groove, and when grinding metallographic experimental piece, movable slider component under the effect of external force, is ground metallographic experimental piece along slide bar is reciprocating；The grinding quality of metallographic experimental piece can be effectively ensured in the present invention, and it is bad to lead to the problem of hand lapping flatness, and can multiple test specimen clamped one time simultaneous grindings, ensure that the consistency and stability of grinding quality, improve working efficiency, reduce working strength.
Description
Technical field
The invention belongs to mechanical device technical fields, and in particular to a kind of slide bar type metallographic experimental piece fine motion grinding device,
Assembly technology and grinding method.
Background technique
In production, the microscopic informations such as the metallographic structure development law of material and grain size grasp the matter of material to us
Amount and reliability are of great significance.Since the volume very little of experimental piece, workload hand-manipulated are very big, the quality of grinding depends on
In human factor, it is difficult to guarantee the grinding quality of metallographic experimental piece, and the grinding quality of each metallographic experimental piece cannot be unified,
To influence the observation effect of metallographic structure.
Therefore, a kind of grinding device that can overcome the above problem is needed in the prior art.
Summary of the invention
To realize the present invention purpose and the technical solution adopted is that such, a kind of slide bar type metallographic experimental piece fine motion grinding
Device, it is characterised in that: including pedestal, two pieces of vertical plates, two slide bars, movable slider component, quiet collet, dynamic collet and sand paper.
The pedestal is plate structure.The pedestal is placed on horizontal plane.
The vertical plate is mounted on the base, and two slide bar pedestals are installed in upper surface.Slide bar pedestal be equipped with circular hole I, two
Vertical plate described in block is symmetrically installed on the both ends of the pedestal.
Two slide bars are mounted between two pieces of vertical plates by the way that the circular hole I is parallel.
The movable slider component includes slide body, upper end of slide block lid, spring base, compression spring, backhaul rectangular bracket and two
A supporting slider seat.
The slide body is rectangular block, and internal is circular through hole I.Bar shaped is all had at left and right sides of the slide body
Slot.It is equipped with two parallel horizontal stripes at left and right sides of the slide body, is denoted as horizontal stripe and bottom crossband respectively.In same side
In, the through-hole is between upper horizontal stripe and bottom crossband.
The upper end of slide block lid is mounted on the upper end of the slide body.
The main member of the spring base is cylinder.
The cylinder upper end is provided with groove on end face.The cylinder lower end is equipped with cylinder boss.The cylinder boss outer circle
Several location holes are evenly equipped in circumferential direction.The cylinder boss is pierced by from the cylinder inner wall.There is spiral shell inside the cylinder boss
Line through-hole.
The cylinder wall surface is equipped with two dismountable support columns.Rolling bearing is respectively arranged on two support columns.
The rolling bearing is located at the cylindrical outer.
The compression spring is placed in the groove of the spring base, and during installation, the support column on the spring base is torn open
It unloads, the spring base with compression spring penetrates in the circular through hole I of the slide body, and the compression spring touches the cunning
Block upper end cover generates compression, and two support columns penetrate from the strip groove at left and right sides of slide body respectively and fix the spring base
On.The support column can move up and down in strip groove.
The backhaul rectangular bracket includes pallet body and connecting shaft.
The pallet body includes the first connecting column and two second connecting columns.
Second connecting column is rectangular column, and side is milled a right-angled trapezium block, on the second connecting column middle section
Form an inclined surface.The parallel both ends for being connected to first connecting column of two second connecting columns, make entire bracket
Body is in half-surrounded.
The pallet body is mounted on the slide body, and the second connecting column penetrates between bottom crossband and rolling bearing, and
It is in contact with bottom crossband and rolling bearing, wherein the inclined surface of the second connecting column is towards upper horizontal stripe direction.
The connecting shaft is connected to the end of two second connecting columns.The connecting shaft and the pallet body surround a square
Shape framework.
When thrust of the backhaul rectangular bracket by horizontal direction, the backhaul rectangular bracket is on the slide body
It moves reciprocatingly, when the rolling bearing slips over the inclined surface of second connecting column, pushes the rolling bearing, make described
Two support columns move up and down in the strip groove at left and right sides of slide body, drive the spring base upper and lower in the slide body
It is mobile.
Circular through hole II is equipped with inside the supporting slider seat.Two supporting slider seats are symmetrically distributed in the sliding block
The left and right sides of body, and be connected by screw on the upper horizontal stripe and bottom crossband of the slide body.
The movable slider component is mounted on two slide bars by the circular through hole II on the supporting slider seat, energy
It is enough to move reciprocatingly along slide bar.
The quiet collet is cylindrical, and end face is provided with circular groove thereon, and lower end surface is provided with dovetail groove.The circular groove
Bottom center have stud.Several round end positioning elastic pins are evenly equipped in the circumferential direction of the quiet collet upper end.It is described quiet
The circumferential direction of collet lower end is equipped with dovetail groove shop bolt.The dovetail groove shop bolt connects the dovetail groove.
The quiet collet is mounted on the inside of the slide body, wherein the Stud connection of the quiet collet is in the spring base
Tapped through hole in, the cylinder boss of the spring base is inserted into the circular groove of the quiet collet.The quiet collet can
It is rotated in the slide body, passes through the positioning of round end positioning elastic pin and the spring base on the quiet collet after rotation
Hole positioning.
The dynamic collet be it is cylindric, thereon end face be equipped with dovetail rabbet working, lower end surface be equipped with rectangular recess.The dynamic folder
Head circumferential direction is equipped with pinching screw.The pinching screw penetrates into the rectangular recess.
The dovetail rabbet working of the dynamic collet upper end cooperates in the dovetail groove of the quiet collet, and passes through quiet collet lower end
Dovetail groove shop bolt is fixedly clamped.
The sand paper is arranged on the base top surface.
In grinding, metallographic experimental piece surface to be ground is placed in downwards in the rectangular recess of the dynamic collet, and
It is fixed on by pinching screw on the wall surface of the rectangular recess.
It further, further include flexible clamping device.The flexible clamping device is mounted on the two sides of the pedestal.The bullet
Property clamping device grips the sand paper.
Further, the bottom of the pedestal is equipped with several supporting legs (generally four).The pedestal passes through supporting leg
Bearing is in the plane.
Further, the inner wall of the slide body, quiet collet and spring base external cylindrical surface are coated with lubricant.
Further, the width of the rolling bearing outer circumference surface is greater than the contact width with the backhaul rectangular bracket.
It further, is circular through hole III in the middle part of the upper end of slide block lid.
The invention also includes a kind of grinding method based on slide bar type metallographic experimental piece fine motion grinding device, feature exists
In including the following steps:
1) sand paper is clamped on the top surface of the pedestal by the flexible clamping device.
2) the movable slider component is moved along the slide bar towards the vertical plate, when backhaul rectangular bracket touch it is described
When vertical plate, the backhaul rectangular bracket is produced relative sliding with the slide body, promotes the vertical height of spring base.
3) the dynamic collet to be removed, one or more metallographic test parts are placed, rotation pinching screw changes its stroke, from
And realize the clamping of metallographic experimental piece.
4) the dynamic collet is mounted in the quiet collet, and locks dovetail groove shop bolt, rotate the dynamic collet
Angle is adjusted with quiet collet, is positioned by round end positioning elastic pin.
5) it pushes the movable slider component to move it along the slide bar, and pushes backhaul rectangular bracket, make institute
It states backhaul rectangular bracket to produce relative sliding with the slide body, the rolling bearing is transported from the low spot of the backhaul rectangular bracket
High point is moved, so that spring base be made to be elevated.When counter motion, under being acted on by top pressure spring pressure, the rolling
Bearing moves to low spot from the high point of the backhaul rectangular bracket, so that spring seat, quiet collet and dynamic collet be made to fall after rise together
To low spot, and then metallographic test part is made to contact and grind with bottom sand paper, realizes one-stroke grinding and polishing.
6) continuing to press on the movable slider component makes it move back and forth along the slide bar, carries out metallographic experimental piece and grinds
Mill.
7) lapped face is observed, the sand paper of different model is successively replaced, is required until reaching grinding.Technology effect of the invention
Fruit be it is unquestionable, have the following advantages that；
1) grinding quality of metallographic experimental piece can be effectively ensured in grinding device of the invention, and being capable of multiple test specimens one
Secondary clamping simultaneous grinding ensure that the consistency and stability of grinding quality, improve working efficiency, reduce working strength, reduce
Influence of the human factor to grinding quality.
2) grinding device of the invention has good intensity, rigidity and stability, greatly improves making for the device
With the service life, the components in device have good interchangeability and adjustability.
3) grinding device of the invention changes the grinding thinking of traditional single direction, can index in terms of grinding technics
Metallographic experimental piece circumferential position (carrying out 90 ° of adjustment metallographic test part grinding and polishing directions) is adjusted, clamped one time can be achieved with not Tongfang
To the process of lapping of texture.
4) present invention can satisfy the grinding of small size and thin plate test specimen, and the grinding of small size and thin plate test specimen is not required to
It inlays and reprocesses, directly grind, dusty material and process time are inlayed in saving, have the environment protecting of green section material.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of movable slider component of the present invention；
Fig. 3 is backhaul rectangular bracket assembling structure schematic diagram of the present invention；
Fig. 4 is the assembling structure schematic diagram of the present invention dynamic collet and quiet collet；
Fig. 5 is a quarter cross-sectional view of Fig. 4；
Fig. 6 is the clamping schematic diagram of metallographic experimental piece of the present invention；
Fig. 7 is metallographic experimental piece effect contrast figure.
In figure: pedestal 1, supporting leg 101, vertical plate 2, circular hole I201, slide bar 3, movable slider component 4, slide body 41, circle are logical
Hole I411, through-hole 412, upper horizontal stripe 413, bottom crossband 414, upper end of slide block lid 42, circular through hole III421, spring base 43, cylinder
431, groove 4311, support column 4312, rolling bearing 4313, cylinder boss 432, location hole 4321, tapped through hole 4322, pressure
Spring 44, backhaul rectangular bracket 45, pallet body 451, the first connecting column 4511, the second connecting column 4512, connecting shaft 452, support
Slider block 46, circular through hole II461, quiet collet 5, circular groove 51, dovetail groove 52, stud 53, round end positioning elastic pin 54,
Dovetail groove shop bolt 55, dynamic collet 6, dovetail rabbet working 61, rectangular recess 62, pinching screw 63, sand paper 7, metallographic experimental piece 8,
Flexible clamping device 9, slide bar pedestal 11.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Referring to Fig. 1 to Fig. 6, a kind of slide bar type metallographic experimental piece fine motion grinding device and assembly technology, it is characterised in that: packet
Include 1, two piece of pedestal vertical plate 2, two slide bar 3, movable slider component 4, quiet collet 5, dynamic collet 6 and sand paper 7.
The pedestal 1 is plate structure.In the present embodiment, the outer dimension of pedestal 1 are as follows: 350mm × 245mm × 10mm.
The bottom of the pedestal 1 is set there are four supporting leg 101.The pedestal 1 is supported in the plane by supporting leg 101,
And pedestal is leveled.
The vertical plate 2 is boss structure, is mounted on pedestal 1, and upper surface is equipped with four threaded holes, for installing two
Slide bar pedestal 11.Slide bar pedestal 11 is equipped with circular hole I201, and two pieces of vertical plates 2 are symmetrically installed on the both ends of the pedestal 1.
Four circular hole I201 are in the quadrangle of a rectangle.
Two slide bars 3 are mounted between two pieces of vertical plates 2 by the way that the circular hole I201 is parallel.
In the present embodiment, the stroke of slide bar 3 are as follows: 320mm, the distance of two slide bars 3 are as follows: 90mm, apart from 1 top surface of bottom plate
Distance are as follows: 450mm.
The movable slider component 4 includes slide body 41, upper end of slide block lid 42, spring base 43, compression spring 44, backhaul rectangle
Bracket 45 and two supporting slider seats 46.
The slide body 41 is rectangular block, and internal is circular through hole I411.The left and right sides of the slide body 41 has
There is through-hole 412.The left and right sides of the slide body 41 is equipped with two parallel horizontal stripes, is denoted as horizontal stripe 413 and lower cross respectively
Item 414.In same side, the through-hole 412 is between upper horizontal stripe 413 and bottom crossband 414.
It is circular through hole III421 in the middle part of the upper end of slide block lid 42, the upper end of slide block lid 42 is fixed by screws in institute
State the upper end of slide body 41.The effect of circular through hole is: screw adjusts channel, can not have to unload upper end cover, directly pass through circle
Through-hole pre-tightens the screw on cylinder boss 432.
The main member of the spring base 43 is cylinder 431.
Groove 4311 is provided on the 431 upper end end face of cylinder.431 lower end of cylinder is equipped with cylinder boss 432.It is described
432 excircle of cylinder boss is evenly equipped with location hole 4321 at interval of 90 ° upwards.The cylinder boss 432 is out of described cylinder 431
Wall is pierced by.There is tapped through hole 4322 inside the cylinder boss 432.
431 wall surface of cylinder is equipped with two dismountable support columns 4312.It is filled on two support columns 4312
There is rolling bearing 4313.The rolling bearing 4313 is located at outside the cylinder 431.
The compression spring 44 is placed in the groove 4311 of the spring base 43, during installation, will be on the spring base 43
Support column 4312 dismantle, the spring base 43 with compression spring 44 penetrates in the circular through hole I411 of the slide body 41,
The compression spring 44 touches the upper end of slide block lid 42 and generates compression, and two support columns 4312 are respectively from slide body 41 or so
The through-hole 412 of two sides is penetrated and is fixed on the spring base 43.The support column 4312 can move up and down in through-hole 412.
The backhaul rectangular bracket 45 includes pallet body 451 and connecting shaft 452.
The pallet body 451 includes the first connecting column 4511 and two second connecting columns 4512.
Second connecting column 4512 is rectangular column, and side is milled a right-angled trapezium block, in the second connecting column
An inclined surface is formed on 4512 middle sections.Two second connecting columns 4512 it is parallel be connected to first connecting column 4511
Both ends, make entire pallet body 451 in half-surrounded.
The pallet body 451 is mounted on the slide body 41, and the second connecting column 4512 penetrates bottom crossband 414 and rolls
It between bearing 4313, and is in contact with bottom crossband 414 and rolling bearing 4313, wherein the inclined surface direction of the second connecting column 4512
Upper 413 direction of horizontal stripe, the width of 4313 outer circumference surface of rolling bearing are greater than the contact width with backhaul rectangular bracket 45.
The connecting shaft 452 is connected to the end of two second connecting columns 4512.The connecting shaft 452 and the pallet body
451 surround a rectangular box.
When thrust of the backhaul rectangular bracket 45 by horizontal direction, the backhaul rectangular bracket 45 is in the sliding block
It moves reciprocatingly on body 41, when the rolling bearing 4313 slips over the inclined surface of second connecting column 4512, described in promotion
Rolling bearing 4313 moves up and down two support columns 4312 in the through-hole 412 of 41 left and right sides of slide body, drives institute
Spring base 43 is stated to move up and down in the slide body 41.Backhaul rectangular bracket 45 and rolling bearing 4313 are kept in whole process
It is in close contact, and is moved in the form of rolling, reduce frictional force, and the backhaul rectangular bracket 45 has structure simple, manually
Easy to operate effect.
Circular through hole II461 is equipped with inside the supporting slider seat 46.Two supporting slider seats 46 are symmetrically distributed in
The left and right sides of the slide body 41, and be threadedly attached on the upper horizontal stripe 413 and bottom crossband 414 of the slide body 41.
The movable slider component 4 is mounted on two cunnings by the circular through hole II461 on the supporting slider seat 46
On bar 3, it can move reciprocatingly along slide bar 3.
In the present embodiment, the outer dimension of movable slider component 4 are as follows: 100mm × 60mm × 50mm.
The quiet collet 5 is cylindrical, and end face is provided with circular groove 51 thereon, and lower end surface is provided with dovetail groove 52.The circle
The bottom center of connected in star 51 has stud 53.Round end positioning bullet is evenly equipped at interval of 90 ° in the circumferential direction of 5 upper end of quiet collet
Property pin 54.The circumferential direction of 5 lower end of quiet collet is equipped with dovetail groove shop bolt 55.The dovetail groove shop bolt 55 is connected
The dovetail groove 52.
In the present embodiment, the outer dimension of quiet collet 5 are as follows: radius 16mm, cylinder height 15mm.
The quiet collet 5 is mounted on the inside of the slide body 41, wherein the stud 53 of the quiet collet 5 be connected to it is described
In the tapped through hole 4322 of spring base 43, the cylinder boss 432 of the spring base 43 is inserted into the circular groove of the quiet collet 5
In 51.The quiet collet 5 can rotate in the slide body 41, position bullet by the round end on the quiet collet 5 after rotation
Property pin 54 and the spring base 43 location hole 4321 cooperate position, fast implement indexing positioning effect.
The dynamic collet 6 be it is cylindric, thereon end face be equipped with dovetail rabbet working 61, lower end surface be equipped with rectangular recess 62.Institute
6 circumferential direction of collet is stated equipped with pinching screw 63.The pinching screw 63 penetrates into the rectangular recess 62.
In the present embodiment, the outer dimension of collet 6 is moved are as follows: radius 16mm, cylinder height 15mm, rectangular recess 62
Size are as follows: 20mm × 15mm × 10mm.
The dovetail rabbet working 61 of 6 upper end of dynamic collet cooperates in the dovetail groove 52 of the quiet collet 5, and passes through quiet collet
The dovetail groove shop bolt 55 of 5 lower ends is fixedly clamped.
The sand paper 7 is arranged on 1 top surface of pedestal.
It further, further include flexible clamping device 9.
The flexible clamping device 9 is mounted on the two sides of the pedestal 1.The flexible clamping device 9 presss from both sides the sand paper 7
Fixation is held, guarantees the smooth of sand paper 7.
In grinding, the surface to be ground of metallographic experimental piece 8 is placed in the rectangular recess 62 of the dynamic collet 6 downwards
It is interior, and be fixed on the wall surface of the rectangular recess 62 by pinching screw 63.
Further, the inner wall of the slide body 41, quiet collet and spring base are coated with lubricant.It is worth explanation
It is since the surface contact of part can generate friction, to need 41 inner wall of intermittent oiling slide body, guarantee that the position of clearance fit is closed
System.
Embodiment 2:
A kind of grinding method based on slide bar type metallographic experimental piece fine motion grinding device, which is characterized in that including walking as follows
It is rapid:
1) sand paper 7 is clamped on the top surface of the pedestal 1 by the flexible clamping device 9, and guarantees sand
Paper is smooth, without fold.
2) the movable slider component 4 is moved along the slide bar 3 towards the vertical plate 2, when backhaul rectangular bracket 45 contacts
When to the vertical plate 2, the backhaul rectangular bracket 45 is produced relative sliding with the slide body 41, promotes the vertical of spring base 43
Highly, and then convenient for unscrewing dovetail groove shop bolt 55, dynamic collet 6 is unloaded.
3) the dynamic collet 6 is removed, one or more metallographic test parts 8 are placed, rotation pinching screw 63 adjusts metallographic examination
The stroke for testing part 8 is realized its clamping process, and is clamped.
4) the dynamic collet 6 is mounted in the quiet collet 5, and locks dovetail groove shop bolt 55, rotated described dynamic
Collet 6 and quiet collet 5 adjust angle, so that the dynamic collet 6 and quiet collet 5 are whole along 41 inner wall of slide body rotation, lead to
Cross the positioning of round end positioning elastic pin 54.
5) it pushes the movable slider component 4 to move it along the slide bar 3, and pushes backhaul rectangular bracket 45,
Produce relative sliding the backhaul rectangular bracket 45 with the slide body 41, the rolling bearing 4313 is from the backhaul rectangle
The low spot of bracket 45 moves to high point, so that spring base 43 be made to be elevated.When counter motion, pressed by top pressure spring 44
Under power effect, the rolling bearing 4313 moves to low spot from the high point of the backhaul rectangular bracket 45, to make spring seat
43, quiet collet 5 and dynamic collet 6 are fallen after rise to low spot together, and then metallographic test part 8 is made to contact and grind with bottom sand paper 7, are realized
One-stroke grinding and polishing.
6) continuing to press on the movable slider component 4 makes it move back and forth along the slide bar 3, carries out metallographic experimental piece
Grinding.
7) lapped face is observed, the sand paper 7 of different model is successively replaced, is required until reaching grinding.
The technical effect of the present embodiment is as shown in Figure 7.The arrangement achieves imitative manual grinding and polishing processes.H1 as illustrated in the drawing
Greater than H2, i.e. the present apparatus solves the problems, such as that green hand's work ground flat degree is bad.
Claims (7)
1. a kind of slide bar type metallographic experimental piece fine motion grinding device, it is characterised in that: including the pedestal (1), two pieces of vertical plates
(2), two slide bars (3), movable slider component (4), quiet collet (5), dynamic collet (6) and sand paper (7)；
The pedestal (1) is plate structure；The pedestal (1) is placed on horizontal plane；
The vertical plate (2) is mounted on pedestal (1), and two slide bar pedestals (11) are installed in upper surface.Slide bar pedestal is set on (11)
Have circular hole I (201), two pieces of vertical plates (2) are symmetrically installed on the both ends of the pedestal (1).
Two slide bars (3) are mounted between two pieces of vertical plates (2) by the way that the circular hole I (201) is parallel；
The movable slider component (4) includes slide body (41), upper end of slide block lid (42), spring base (43), compression spring (44), returns
Journey rectangular bracket (45) and two supporting slider seats (46)；
The slide body (41) is rectangular block, and internal is circular through hole I (411)；The left and right sides of the slide body (41) is equal
With through-hole (412)；Two parallel horizontal stripes are equipped at left and right sides of the slide body (41), are denoted as horizontal stripe respectively
(413) and bottom crossband (414)；In same side, the through-hole (412) be located at upper horizontal stripe (413) and bottom crossband (414) it
Between；
The upper end of slide block lid (42) is mounted on the upper end of the slide body (41)；
The main member of the spring base (43) is cylinder (431)；
Groove (4311) are provided on cylinder (431) the upper end end face；Cylinder (431) lower end is equipped with cylinder boss (432)；
Cylinder boss (432) excircle is evenly equipped with several location holes (4321) upwards；The cylinder boss (432) is from the cylinder
(431) inner wall is pierced by；There are tapped through hole (4322) inside the cylinder boss (432)；
Cylinder (431) wall surface is equipped with two dismountable support columns (4312)；On two support columns (4312)
Equipped with rolling bearing (4313)；It is external that the rolling bearing (4313) is located at the cylinder (431)；
The compression spring (44) is placed in the groove (4311) of the spring base (43), during installation, by the spring base
(43) support column (4312) disassembly on, the spring base (43) with compression spring (44) penetrate the circle in the slide body (41)
In shape through-hole I (411), the compression spring (44) touches the upper end of slide block lid (42) and generates compression, two support columns
(4312) it penetrates and is fixed on the spring base (43) from the strip groove (412) at left and right sides of slide body (41) respectively；It is described
Support column (4312) can move up and down in through-hole (412)；
The backhaul rectangular bracket (45) includes pallet body (451) and connecting shaft (452)；
The pallet body (451) includes the first connecting column (4511) second connecting column of He Lianggen (4512)；
The parallel both ends for being connected to first connecting column (4511) of two second connecting columns (4512), make entire bracket
Body (451) is in half-surrounded；
The pallet body (451) is mounted on the slide body (41), the second connecting column (4512) penetrate bottom crossband (414) and
It between rolling bearing (4313), and is in contact with bottom crossband (414) and rolling bearing (4313), wherein the second connecting column (4512)
Inclined surface towards upper horizontal stripe (413) direction；
The connecting shaft (452) is connected to the end of two second connecting columns (4512)；The connecting shaft (452) and the bracket
Body (451) surrounds a rectangular box；
When thrust of the backhaul rectangular bracket (45) by horizontal direction, the backhaul rectangular bracket (45) is in the sliding block
Body moves reciprocatingly on (41), when the rolling bearing (4313) slips over the inclined surface of second connecting column (4512), pushes away
The rolling bearing (4313) are moved, strip groove (412) of two support columns (4312) at left and right sides of slide body (41) is made
It inside moves up and down, the spring base (43) is driven to move up and down in the slide body (41)；
Circular through hole II (461) are equipped with inside the supporting slider seat (46)；Two supporting slider seats (46) are symmetrical
In the left and right sides of the slide body (41), and it is connected by screw to upper horizontal stripe (413) and lower cross in the slide body (41)
On item (414)；
The movable slider component (4) is mounted on described in two by the circular through hole II (461) on the supporting slider seat (46)
On slide bar (3), it can move reciprocatingly along slide bar (3)；
The quiet collet (5) is cylindrical, and end face is provided with circular groove (51) thereon, and lower end surface is provided with dovetail groove (52)；It is described
The circumferential direction of quiet collet (5) lower end is equipped with dovetail groove shop bolt (55)；The dovetail groove shop bolt (55) connects the swallow
Stern notch (52)；
The quiet collet (5) is mounted on the inside of the slide body (41), wherein the stud (53) of the quiet collet (5) is connected to
In the tapped through hole (4322) of the spring base (43), the cylinder boss (432) of the spring base (43) is inserted into the quiet folder
In the circular groove (51) of head (5)；The quiet collet (5) can rotate in the slide body (41), by described after rotation
The location hole (4321) of round end positioning elastic pin (54) and the spring base (43) on quiet collet (5) positions；
The dynamic collet (6) be it is cylindric, thereon end face be equipped with dovetail rabbet working (61), lower end surface be equipped with rectangular recess (62)；
Dynamic collet (6) circumferential direction is equipped with pinching screw (63)；The pinching screw (63) penetrates into the rectangular recess (62)；
The dovetail rabbet working (61) of dynamic collet (6) upper end cooperates in the dovetail groove (52) of the quiet collet (5), and by quiet
The dovetail groove shop bolt (55) of collet (5) lower end is fixedly clamped；
The sand paper (7) is arranged on the pedestal (1) top surface；
In grinding, metallographic experimental piece (8) surface to be ground is placed in the rectangular recess (62) of the dynamic collet (6) downwards
It is interior, and be fixed on the wall surface of the rectangular recess (62) by pinching screw (63).
2. a kind of slide bar type metallographic experimental piece fine motion grinding device according to claim 1 and assembly technology, feature exist
In: it further include flexible clamping device (9)；
The flexible clamping device (9) is mounted on the two sides of the pedestal (1)；The flexible clamping device (9) is by the sand paper
(7) it grips.
3. a kind of slide bar type metallographic experimental piece fine motion grinding device according to claim 1 or 2 and assembly technology, feature
Be: the bottom of the pedestal (1) is set there are four supporting leg (101).
4. a kind of slide bar type metallographic experimental piece fine motion grinding device according to claim 1 or 3 and assembly technology, feature
Be: inner wall, quiet collet (5) and spring base (43) external cylindrical surface of the slide body (41) are coated with lubricant.
5. a kind of slide bar type metallographic experimental piece fine motion grinding device according to claim 1 or 3 and assembly technology, feature
Be: the width of rolling bearing (4313) outer circumference surface is less than the contact width with the backhaul rectangular bracket (45).
6. a kind of slide bar type metallographic experimental piece fine motion grinding device according to claim 1 or 3 and assembly technology, feature
It is: is in the middle part of the upper end of slide block lid (42) circular through hole III (421).
7. a kind of grinding method based on slide bar type metallographic experimental piece fine motion grinding device, which comprises the steps of:
1) sand paper (7) is clamped on the top surface of the pedestal (1) by the flexible clamping device (9)；
2) the movable slider component (4) is mobile along the slide bar (3) Xiang Suoshu vertical plate (2), when backhaul rectangular bracket (45)
When touching the vertical plate (2), the backhaul rectangular bracket (45) produces relative sliding with the slide body (41), promotes spring
The vertical height of seat (43)；
3) the dynamic collet (6) is removed, one or more metallographic test parts (8) are placed, rotation pinching screw (63) changes it and stretches
Contracting amount, to realize the clamping of metallographic experimental piece (8)；
4) the dynamic collet (6) is mounted in the quiet collet (5), and locks dovetail groove shop bolt (55), described in rotation
Dynamic collet (6) and quiet collet (5) adjust angle, are positioned by round end positioning elastic pin (54)；
5) it pushes the movable slider component (4) to move it along the slide bar (3), and pushes backhaul rectangular bracket
(45), produce relative sliding the backhaul rectangular bracket (45) with the slide body (41), the rolling bearing (4313) from
The low spot of the backhaul rectangular bracket (45) moves to high point, so that spring base (43) be made to be elevated；When counter motion, pass through
Under the effect of top pressure spring (44) pressure, the rolling bearing (4313) moves from the high point of the backhaul rectangular bracket (45)
To low spot, so that spring seat (43), quiet collet (5) and dynamic collet (6) be made to fall after rise together to low spot, and then make metallographic test part
(8) it contacts and grinds with bottom sand paper (7), realize one-stroke grinding and polishing；
6) continuing to press on the movable slider component (4) makes it move back and forth along the slide bar (3), carries out metallographic experimental piece
Grinding；
7) lapped face is observed, the sand paper (7) of different model is successively replaced, is required until reaching grinding.
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| CN201910362018.9A CN110076655B (en) | 2019-04-30 | 2019-04-30 | Micro-motion grinding device and grinding method for slide bar type metallographic experimental part |
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| CN201910362018.9A CN110076655B (en) | 2019-04-30 | 2019-04-30 | Micro-motion grinding device and grinding method for slide bar type metallographic experimental part |
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| CN110076655B CN110076655B (en) | 2024-01-23 |
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| CN111716246A (en) * | 2020-06-28 | 2020-09-29 | 苏州大学 | Grinding and polishing fixing clamp |
| CN111922866A (en) * | 2020-05-25 | 2020-11-13 | 西安航天精密机电研究所 | Polishing mechanism |
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|---|---|
| CN110076655B (en) | 2024-01-23 |
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