CN108044505A - A kind of high-precision grinder duplex tensioner makes concentric mechanism fixture and its grinding machine by oneself - Google Patents
A kind of high-precision grinder duplex tensioner makes concentric mechanism fixture and its grinding machine by oneself Download PDFInfo
- Publication number
- CN108044505A CN108044505A CN201711353675.4A CN201711353675A CN108044505A CN 108044505 A CN108044505 A CN 108044505A CN 201711353675 A CN201711353675 A CN 201711353675A CN 108044505 A CN108044505 A CN 108044505A
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- block group
- wedge shape
- oneself
- duplex
- chuck body
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Classifications
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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
- 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
- B24B27/00—Other grinding machines or devices
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a kind of high-precision grinder duplex tensioners to make concentric mechanism fixture and its grinding machine by oneself, it includes the chuck body with stepped hole, the first auxiliary wedging mechanism and the second auxiliary wedging mechanism are provided in stepped hole, outside of the second auxiliary wedging mechanism sliding sleeve loaded on the first auxiliary wedging mechanism, the second auxiliary wedging mechanism are slidably installed in stepped hole；Chuck body is provided with rise block group, the second wedge shape of the first wedge shape and rises block group and workpiece expansion sleeve, first wedge shape rises block group and the first auxiliary wedging mechanism wedge-like engagement, second wedge shape rises block group and the second auxiliary wedging mechanism wedge-like engagement, and the outer circumferential surface for block group that the first wedge shape rises by block group and the second wedge shape rises is engaged with the inner wall of workpiece expansion sleeve.Present invention efficiently solves grinding machine high accuracy positioning, high efficiency productions, effectively control the risk that tradition is powered off, died, disconnected hydraulic pressure destroys equipment and workpiece, play the role of self-protection to workpiece and equipment by fixture gas check.
Description
Technical field
The present invention relates to a kind of high-precision grinder Double-linkage tensioners to make concentric mechanism fixture by oneself, belongs to grinding machine high-precision grinding and adds
The application of work technical field more particularly to high-precision Double-linkage tensioner self-centering clamping mechanism.
Background technology
In brake system of car, the cooperation of wheel hub and bearing and brake disc, Position Design precision are higher, and wheel hub with
Bearing fit surface region has higher shaped position required precision again, is a big problem of wheel hub processing.Using emery wheel
Reconditioning forming grinding wheel ensures the shaped position precision of workpiece machining surface, this just needs workpiece that can be accurately positioned in grinding machine, and
Ensure stability and equipment, workpiece, the security of personnel of the workpiece in grinding process.
Although in the prior art with a variety of for the high-precision clamp for machining of grinding machine, these fixtures generally use bullet
Property ringfeder structure design, positioning accuracy is poor, efficiency is low, service life is short, and many one sided factors are easily generated to equipment
And the destruction of workpiece, greatly extend working time and the labor intensity of workers processing.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved in the present invention is to provide a kind of high-precision grinders
Double-linkage tensioner makes concentric mechanism fixture by oneself, and Double-linkage tensioner automatic centering clamping mechanism is realized on grinding machine, and positioning accuracy is high, folder
It is tight reliable and stable, it is ensured that the stability and accuracy of process, and Product Precision and efficiency is greatly improved.Effectively solve
Determined traditional power-off, die, the failure of disconnected hydraulic pressure generates the risk destroyed to equipment and workpiece, while passes through fixture gas check
Play the role of self-protection to workpiece and equipment.
In order to solve the above technical problems, present invention employs such a cavity blending agent resonance knots for wave filter
Structure, including chuck body, the chuck body is ladder shaft-like, and one end of the chuck body is connected with flange, the other end
It is connected with stop nut, the centre of the chuck body is provided with along its axial arranged stepped hole, coaxial in the stepped hole
It is provided with the first auxiliary wedging mechanism and the second auxiliary wedging mechanism, the second auxiliary wedging mechanism sliding sleeve is loaded on described the
The outside of one auxiliary wedging mechanism, the second auxiliary wedging mechanism are slidably installed in the stepped hole；The fixture
Body is coaxially arranged with rise block group, the second wedge shape of the first wedge shape close to one end of stop nut and rises block group and workpiece expansion sleeve, institute
State the first wedge shape rise by block group and second wedge shape rise block group along chuck body circumferentially and can be along the footpath of chuck body
To movement, first wedge shape rises block group and the described first auxiliary wedging mechanism wedge-like engagement, second wedge shape rise block group with
The second auxiliary wedging mechanism wedge-like engagement, the workpiece expansion sleeve are set in the chuck body end, the first wedge
The outer circumferential surface for block group that shape rises by block group and second wedge shape rises is engaged with the inner wall of the workpiece expansion sleeve.
In a kind of preferred embodiment of the present invention, the first auxiliary wedging mechanism includes adjustment locking nut, double
Head screw rod, the first pull rod and the first disk spring, the adjustment locking nut is hollow ladder shaft-like, is set on first pull rod
It is equipped with the wedge surface that the block that can rise with first wedge shape assembles conjunction；Described double threaded screw one end connects with the adjustment locking nut screw thread
It connects, the other end is connected with first pull rod screw, and the adjustment locking nut is slidably connected with the flange；Described
One dish-shaped spring pocket is loaded on the adjustment locking nut and one end is bonded with the end face of the stepped hole, the other end and the tune
The end face fitting of whole locking nut.
In a kind of preferred embodiment of the present invention, it is provided with to adjust described first in the adjustment locking nut
The interior hexagonal tapered end holding screw of pull rod installation site.
In a kind of preferred embodiment of the present invention, the second auxiliary wedging mechanism includes the second pull rod and the second dish
Shape spring, second pull rod are hollow ladder shaft-like, and the end set of second pull rod has and can rise with second wedge shape
Block assembles the wedge surface of conjunction；Second pull rod, which is slidably matched, to be sleeved on the double threaded screw of the first auxiliary wedging mechanism, institute
State that the second disk spring is set on second pull rod and one end is bonded with the end face of the stepped hole, the other end and described the
The end face fitting of two pull rods.
In a kind of preferred embodiment of the present invention, the stepped hole includes leading to for the first of the installation of the first disk spring
Hole, the second through hole for the installation of the second disk spring and the third through-hole for the installation of the second pull rod；The diameter of the first through hole
Diameter more than second through hole is more than the diameter of the third through-hole.
In a kind of preferred embodiment of the present invention, first wedge shape rises by block group and second wedge shape rises, and block group is equal
Including 5 voussoirs in a rotationally symmetrical arrangement；First wedge shape block group and second wedge shape block group that rises that rises misplaces 36 degree and arranges.
In a kind of preferred embodiment of the present invention, the chuck body is set on the outside of stop nut one end
It is useful for whether detection workpiece positions correct workpiece alignment mechanism.
In a kind of preferred embodiment of the present invention, the workpiece alignment mechanism includes compression spring, straight pin, positioning
Set and connecting seat；The positioning sleeve sliding sleeve is set loaded in the chuck body between the positioning sleeve and the chuck body
The compression spring and the straight pin are equipped with, the connecting seat is set on the outside of the positioning sleeve and consolidates with the chuck body
It connects.
In a kind of preferred embodiment of the present invention, the workpiece expansion sleeve includes two.
The invention also discloses a kind of high-precision grinder for being equipped with duplex tensioner and making concentric mechanism fixture by oneself, including grinding machine sheet
Body is provided with tailstock briquetting and main axle hydraulic pressure oil cylinder mandril on the grinding machine body, it is characterised in that：It further includes such as claim
Duplex tensioner described in 1-9 any one claims makes concentric mechanism fixture by oneself, and the duplex tensioner makes concentric mechanism fixture by oneself
One end is connected by flange with the main axle hydraulic pressure oil cylinder mandril, and the other end is connected by stop nut with the tailstock briquetting.
The beneficial effects of the invention are as follows：Present invention efficiently solves grinding machine high accuracy positioning, high efficiency productions, effectively control
It made traditional power-off, died, the risk that disconnected hydraulic pressure destroys equipment and workpiece, workpiece and equipment have been risen by fixture gas check
Self-protection effect is arrived.The present invention is using Double-linkage tensioner self-centering clamping mechanism, under the control of pre-set programs, it is ensured that add
The stability and accuracy of work process improve the machining accuracy and surface quality of workpiece grinding, drastically increase processing effect
Rate reduces processing cost and labor strength, ensure that product quality requirement；The present invention is by designing double auxiliary wedging machines
Structure cooperation double-wedge rises by block group so as to be effectively improved the tensioner stability for making concentric mechanism fixture by oneself；Simultaneously the present invention by
Clamp ends design workpiece alignment mechanism plays the effect for judging whether fixture is accurately positioned.
Description of the drawings
Fig. 1 is that a kind of high-precision grinder Double-linkage tensioner of the present invention makes concentric mechanism fixture by oneself
Structure diagram；
Fig. 2 is that a kind of high-precision grinder Double-linkage tensioner of the present invention makes concentric mechanism fixture by oneself
First rises core cross-sectional view；
Fig. 3 is that a kind of high-precision grinder Double-linkage tensioner of the present invention makes concentric mechanism fixture by oneself
Second rises core cross-sectional view；
Fig. 4 is that a kind of high-precision grinder Double-linkage tensioner of the present invention makes concentric mechanism fixture by oneself
Working condition and process schematic diagram；
In figure：1- adjusts locking nut；2- flanges；The first O-ring seals of 3-；The 2nd O of 4-
Type sealing ring；The 3rd O-ring seals of 5-；6- socket cap screws；The first dish of 7-
Shape spring；The second pull rods of 8-；The second disk springs of 9-；10- socket cap screws；
11- positioning sleeves；12- expansion sleeves；The first wedge shapes of 13- rise block group；14- round nuts；15- is pushed up
Sharp block；16- straight pins；17- workpiece；The first pull rods of 18-；The second wedge shapes of 19- rise block group；
20- double threaded screws；The 4th O-ring seals of 21-；22- connecting seats；23-, which floats, to be sold；24-
Compress spring；25- chuck bodies；26- spacers；27- plugs；The 5th O-shaped sealings of 28-
Circle；29- socket cap screws；Hexagonal tapered end holding screw in 30-；31- main shaft liquid
Compressing cylinder mandril；32- tailstock briquettings.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
A kind of high-precision grinder duplex tensioner of the present invention, which makes concentric mechanism fixture by oneself, mainly includes chuck body 25, chuck body
25 be ladder shaft-like, and one end of chuck body 25 is connected with flange 2, and the other end is connected with stop nut 14, chuck body 25
Centre is provided with along its axial arranged stepped hole, it is characterised in that：The first auxiliary wedging mechanism is coaxially arranged in stepped hole
With the second auxiliary wedging mechanism, outside of the second auxiliary wedging mechanism sliding sleeve loaded on the first auxiliary wedging mechanism, the second auxiliary
Wedging mechanism is slidably installed in stepped hole；Chuck body 25 is coaxially arranged with first wedge close to one end of stop nut 14
Rise block group 13, the second wedge shape of shape rises block group 19 and workpiece expansion sleeve 12, and the first wedge shape 13 and second wedge shape of block group that rises rises block group 19
Along chuck body 25 circumferentially and can moving radially along chuck body 25, the first wedge shape rise block group 13 and first auxiliary
Wedging mechanism wedge-like engagement, the second wedge shape block group 19 and second that rises aid in wedging mechanism wedge-like engagement, and workpiece expansion sleeve 12 is set with
In 25 end of chuck body, the first wedge shape rise 13 and second wedge shape of block group rise block group 19 outer circumferential surface and workpiece expansion sleeve 12 it is interior
Wall is engaged.First auxiliary wedging mechanism includes adjustment locking nut 1, double threaded screw 20, the first pull rod 18 and the first dish-shaped bullet
Spring 7, adjustment locking nut 1 are hollow ladder shaft-like, and the cooperation of block group 13 that can rise with the first wedge shape is provided on the first pull rod 18
Wedge surface；20 one end of double threaded screw is threadedly coupled with adjustment locking nut 1, and the other end is threadedly coupled with the first pull rod 18, adjustment lock
Tight nut 1 is slidably connected with flange 2；First disk spring 7 is set on adjustment locking nut 1 and one end and stepped hole
End face is bonded, and the other end is bonded with adjusting the end face of locking nut 1.It is provided with to adjust the first drawing in adjustment locking nut 1
The interior hexagonal tapered end holding screw 30 of 18 installation site of bar.Second auxiliary wedging mechanism includes the second pull rod 8 and the second dish-shaped bullet
Spring 9, the second pull rod 8 are hollow ladder shaft-like, and the end set of the second pull rod 8 has the wedge for the cooperation of block group 19 that can rise with the second wedge shape
Face；Second pull rod 8, which is slidably matched, to be sleeved on the double threaded screw 20 of the first auxiliary wedging mechanism, and the second disk spring 9 is set in
On second pull rod 8 and one end is bonded with the end face of stepped hole, and the other end is bonded with the end face of the second pull rod 8.Stepped hole includes supplying
The first through hole of first disk spring 7 installation, the second through hole and the second pull rod 8 of confession for the installation of the second disk spring 9 are installed
Third through-hole；The diameter of first through hole is more than diameter of the diameter more than third through-hole of the second through hole.First wedge shape rises block group 13
Rise by block group 19 including 5 voussoirs in a rotationally symmetrical arrangement with the second wedge shape；First wedge shape, 13 and second wedge shape of block group that rises rises block
Group 19 dislocation, 36 degree of arrangements.Chuck body 25 is set with whether detect workpiece on the outside of 14 one end of stop nut
Position correct workpiece alignment mechanism.Workpiece alignment mechanism includes compression spring 24, straight pin 23, positioning sleeve 11 and connecting seat
22；11 sliding sleeve of positioning sleeve loaded in chuck body 25, be provided between positioning sleeve 11 and chuck body 25 compression spring 24 and
Straight pin 23, connecting seat 22 are set on the outside of positioning sleeve 11 and affixed with chuck body 25.Workpiece expansion sleeve 12 includes two.
The invention also discloses a kind of high-precision grinder for being equipped with duplex tensioner and making concentric mechanism fixture by oneself, including grinding machine
Body is provided with tailstock briquetting 32 and main axle hydraulic pressure oil cylinder mandril 31 on grinding machine body, further includes as claim 1-9 is any one
The duplex tensioner of item claim makes concentric mechanism fixture by oneself, and one end that duplex tensioner makes concentric mechanism fixture by oneself passes through flange 2 and master
Axis hydraulic cylinder mandril 31 connects, and the other end is connected by stop nut 14 with tailstock briquetting 32.
When making concentric mechanism fixture by oneself using a kind of high-precision grinder Double-linkage tensioner of the present invention, by diagram direction by workpiece
17 are packed on two expansion sleeves 12 of chuck body 25, apply the pressing force of 1000N to 17 surface of workpiece by tailstock briquetting 32, make
Positioning sleeve 11 is moved to the left along 25 axial line of chuck body, and 11 flange outer end face of positioning sleeve is fitted closely with chuck body 25, is blocked up
Firmly 25 3 gas of chuck body inspection holes, compressed air can not be by, show that workpiece positioning is correct, otherwise equipment alarm, Wu Fajin
Enter to be ground operating mode, play the role of self-protection；The return of 31 pressure of main axle hydraulic pressure oil cylinder mandril release at this time, the first disk spring 7
It discharges itself flexible deformation, promotes adjustment locking nut 1, double threaded screw 20, the first pull rod 18 to moving to left, the first wedge shape rises block group
13 make the first wedge shape block group 13 that rises be moved radially along 25 center line of workpiece by the rubbing action on 18 inclined-plane of the first pull rod, and spreading rises
Fixed 12 make Workpiece clamping；Meanwhile second disk spring 9 discharge itself flexible deformation, promote spacer 26, the second pull rod 8 to the left
It moves, the second wedge shape block group 19 that rises makes the second wedge shape rise by block group 19 along 25 center of workpiece by the rubbing action on 8 inclined-plane of the second pull rod
Line moves radially, and spreading expansion sleeve 12 makes Workpiece clamping, into grinding operating mode；After the completion of workpiece grinding, tailstock briquetting 32 is in oil
Return under the action of cylinder, while main axle hydraulic pressure oil cylinder mandril 31 applies the pressing force compression adjustment locking nut 1 of 7000N, makes tune
Whole locking nut 1 and spacer 26 compress the first disk spring 7 and the second disk spring 9 respectively, and the second pull rod 8, first is drawn at this time
Bar 18 moves right, the first wedge shape rise 13 and second wedge shape of block group rise block group 19 expansion sleeve 12 elastic shrinkage effect under it is extensive
Position is returned, workpiece unclamps；Under the elastic compression effect of cylindroid helical-coil compression spring 24, floating pin 23, positioning sleeve 11 is promoted to return
Position, open-top workpiece, 25 gas of chuck body inspection hole is opened, while chucking surface dust is cleared up, a grinding operating mode job
It completes.The Double-linkage tensioner of the present invention makes concentric mechanism by oneself, and the first wedge shape 13 and second wedge shape of block group block group 19 that rises that rises is respectively 5
Be uniformly distributed, two groups of blocks that rise misplace 36 degree arranged crosswises, and positioning accuracy is high, and clamping is reliable and stable, it is ensured that process it is steady
Qualitative and accuracy improves the machining accuracy and surface quality of workpiece end face.
Concentric mechanism fixture is made by oneself using the numerical control grinding equipment of the present invention to high-precision grinder Double-linkage tensioner to be ground
The process of workpiece is made of following five specific run modes：
Embodiment 1：
Adjustment locking nut 1, double threaded screw 20, the first pull rod 18, the first wedge shape rise block group 13, expansion sleeve 12, first
Disk spring 7 moves back and forth under acting on along 25 axial line of chuck body；
Embodiment 2：
First wedge shape rises block group 13 and 25 precision-fit of chuck body, along 25 axis of chuck body under the effect of the first pull rod 18
Heart line moves radially；
Embodiment 3：
Rise block group 19, the support of expansion sleeve 12 and body 25 of second pull rod 8, the second wedge shape coordinates, and makees in the second disk spring 9
It is moved back and forth with lower along 25 axial line of chuck body；
Embodiment 4：
Second wedge shape rises block group 19 and 25 precision-fit of chuck body, along 25 axis of chuck body under the effect of the second pull rod 8
Heart line moves radially；
Embodiment 5：
Positioning sleeve 11 is made reciprocal under the action of workpiece 17 compresses and compress 24 return of spring along 25 axial line of chuck body
It is mobile.
Its specific implementation machined parameters of the present invention are as shown in the table：
It should be appreciated that these are only the specific embodiment of the present invention, but protection scope of the present invention is not limited to
In this, any those skilled in the art disclosed herein technical scope in, the variation that can readily occur in or replace
It changes, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of high-precision grinder duplex tensioner makes concentric mechanism fixture by oneself, including chuck body (25), the chuck body (25)
For ladder shaft-like, one end of the chuck body (25) is connected with flange (2), and the other end is connected with stop nut (14), described
The centre of chuck body (25) is provided with along its axial arranged stepped hole, it is characterised in that：Coaxial arrangement in the stepped hole
There are the first auxiliary wedging mechanism and the second auxiliary wedging mechanism, the second auxiliary wedging mechanism sliding sleeve is auxiliary loaded on described first
The outside of wedging mechanism is helped, the second auxiliary wedging mechanism is slidably installed in the stepped hole；The chuck body
(25) rise block group (13), the second wedge shape of the first wedge shape is coaxially arranged with close to one end of stop nut (14) to rise block group (19) and work
Part expansion sleeve (12), first wedge shape rises by block group (13) and second wedge shape rises by block group (19) along chuck body (25)
Circumferentially and can moving radially along chuck body (25), first wedge shape rise block group (13) with described first auxiliary wedging
Mechanism wedge-like engagement, second wedge shape rise by block group (19) with the described second auxiliary wedging mechanism wedge-like engagement, and the workpiece rises
Fixed (12) are set in the chuck body (25) end, block group that first wedge shape rises by block group (13) and second wedge shape rises
(19) outer circumferential surface is engaged with the inner wall of the workpiece expansion sleeve (12).
2. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
First auxiliary wedging mechanism includes adjustment locking nut (1), double threaded screw (20), the first pull rod (18) and the first disk spring
(7), the adjustment locking nut (1) is hollow ladder shaft-like, and being provided on first pull rod (18) can be with the first wedge
Shape rise block group (13) cooperation wedge surface；Described double threaded screw (20) one end is threadedly coupled with the adjustment locking nut (1), another
End is threadedly coupled with first pull rod (18), and the adjustment locking nut (1) is slidably connected with the flange (2)；Institute
State that the first disk spring (7) is set on adjustment locking nut (1) and one end is bonded with the end face of the stepped hole, it is another
The end face with the adjustment locking nut (1) is held to be bonded.
3. a kind of high-precision grinder duplex tensioner according to claim 2 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
It is provided with to adjust the interior hexagonal tapered end holding screw of the first pull rod (18) installation site in adjustment locking nut (1)
(30)。
4. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
Second auxiliary wedging mechanism includes the second pull rod (8) and the second disk spring (9), and second pull rod (8) is hollow multi-diameter shaft
Shape, the end set of second pull rod (8) have the wedge surface for block group (19) cooperation that can rise with second wedge shape；Described second draws
Bar (8), which is slidably matched, to be sleeved on the double threaded screw (20) of the first auxiliary wedging mechanism, the second disk spring (9) set
Loaded on second pull rod (8) and one end is bonded with the end face of the stepped hole, the other end and the end of second pull rod (8)
Face paste is closed.
5. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
Stepped hole includes the first through hole for the first disk spring (7) installation, the second through hole for the second disk spring (9) installation and confession
The third through-hole of second pull rod (8) installation；The diameter that the diameter of the first through hole is more than second through hole is more than described the
The diameter of three through holes.
6. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
First wedge shape rises by block group (13) and second wedge shape rises, and block group (19) includes 5 voussoirs in a rotationally symmetrical arrangement；Described
One wedge shape block group (13) and second wedge shape block group (19) that rises that rises misplaces 36 degree and arranges.
7. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
Chuck body (25) is set with to detect whether workpiece positions correct workpiece on the outside of stop nut (14) one end
Correcting mechanism.
8. a kind of high-precision grinder duplex tensioner according to claim 7 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
Workpiece alignment mechanism includes compression spring (24), straight pin (23), positioning sleeve (11) and connecting seat (22)；The positioning sleeve (11)
Sliding sleeve is provided with the pressure loaded in the chuck body (25) between the positioning sleeve (11) and the chuck body (25)
Contracting spring (24) and the straight pin (23), the connecting seat (22) be set on the outside of the positioning sleeve (11) and with the fixture
Body (25) is affixed.
9. a kind of high-precision grinder duplex tensioner according to claim 1 makes concentric mechanism fixture by oneself, it is characterised in that：It is described
It is fixed that workpiece expansion sleeve (12) includes two elastic expandings.
10. a kind of high-precision grinder for being equipped with duplex tensioner and making concentric mechanism fixture by oneself, including grinding machine body, the grinding machine body
On be provided with tailstock briquetting (32) and main axle hydraulic pressure oil cylinder mandril (31), it is characterised in that：It further includes as claim 1-9 is arbitrary
Duplex tensioner described in one claim makes concentric mechanism fixture by oneself, and one end that the duplex tensioner makes concentric mechanism fixture by oneself passes through
Flange (2) is connected with the main axle hydraulic pressure oil cylinder mandril (31), and the other end passes through stop nut (14) and the tailstock briquetting
(32) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353675.4A CN108044505B (en) | 2017-12-15 | 2017-12-15 | A kind of high-precision grinder duplex tensioner makes concentric mechanism fixture and its grinding machine by oneself |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353675.4A CN108044505B (en) | 2017-12-15 | 2017-12-15 | A kind of high-precision grinder duplex tensioner makes concentric mechanism fixture and its grinding machine by oneself |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108044505A true CN108044505A (en) | 2018-05-18 |
| CN108044505B CN108044505B (en) | 2019-09-24 |
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| CN201711353675.4A Active CN108044505B (en) | 2017-12-15 | 2017-12-15 | A kind of high-precision grinder duplex tensioner makes concentric mechanism fixture and its grinding machine by oneself |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633558A (en) * | 2020-07-05 | 2020-09-08 | 厦门兴鸿基业机械制造有限公司 | Bar processing working head |
| CN112475345A (en) * | 2020-11-19 | 2021-03-12 | 青岛涵锐精密机械有限公司 | Double-tensioning centering fixture |
| CN115446710A (en) * | 2022-08-15 | 2022-12-09 | 无锡市明鑫数控磨床有限公司 | Intelligent vertical grinding machine with vertical interlocking protection function |
| CN111633558B (en) * | 2020-07-05 | 2024-07-09 | 厦门金鹭特种合金有限公司 | Bar processing working head |
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| CN203751927U (en) * | 2014-04-04 | 2014-08-06 | 江西铜业股份有限公司 | Automatic centring clamp for honing of sleeve type part |
| CN104338953A (en) * | 2014-09-29 | 2015-02-11 | 江西江铃底盘股份有限公司 | Tensioning mandrel clamp with automatic scrap removal function and scrap removal method |
| CN105856032A (en) * | 2016-06-07 | 2016-08-17 | 无锡市昌亿机床制造有限公司 | Multifunctional full-automatic compound grinding machine |
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| CN111633558A (en) * | 2020-07-05 | 2020-09-08 | 厦门兴鸿基业机械制造有限公司 | Bar processing working head |
| CN111633558B (en) * | 2020-07-05 | 2024-07-09 | 厦门金鹭特种合金有限公司 | Bar processing working head |
| CN112475345A (en) * | 2020-11-19 | 2021-03-12 | 青岛涵锐精密机械有限公司 | Double-tensioning centering fixture |
| CN112475345B (en) * | 2020-11-19 | 2022-02-11 | 青岛涵锐精密机械有限公司 | Double-tensioning centering fixture |
| CN115446710A (en) * | 2022-08-15 | 2022-12-09 | 无锡市明鑫数控磨床有限公司 | Intelligent vertical grinding machine with vertical interlocking protection function |
| CN115446710B (en) * | 2022-08-15 | 2023-07-18 | 无锡市明鑫数控磨床有限公司 | Intelligent vertical grinding machine with vertical interlocking protection function |
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Effective date of registration: 20220217 Address after: 442024 No. 9, Sichuan Road, Zhangwan District, Shiyan City, Hubei Province Patentee after: Dongfeng Automobile Power Parts Co.,Ltd. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: DONGFENG MOTOR Corp. |