CN107127590A - A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type - Google Patents
A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type Download PDFInfo
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- CN107127590A CN107127590A CN201710431952.2A CN201710431952A CN107127590A CN 107127590 A CN107127590 A CN 107127590A CN 201710431952 A CN201710431952 A CN 201710431952A CN 107127590 A CN107127590 A CN 107127590A
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- swallow
- bearing
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- fixture
- lever
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B24B41/065—Steady rests
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type, contacted by the spring bearing at two lever rear portions up and down with the profile of translation swallow appearance cam, the clamping jaw bearing of control lever front end remains position interaction relation of the centering with radius with the clamping jaw of swallow appearance cam mandrel front end, so as to carry out centering clamping to the axial workpiece of different radii.All contacts site of the fixture are completed by bearing, and operationally frictional resistance is small, live load is light, quick and graceful in the movements.Clamping and the release action of fixture are finally to automatically control cylinder reciprocating motion by a solenoid directional control valve and realized.When loading and unloading bar, the subtended angle of fixture is big, can be directly along the radial direction workpiece loading and unloading of axial workpiece, and whole fixture has compact conformation, automaticity height, low cost, reliability height, the features such as do not result in environmental pollution, is especially suitable for popularizing.
Description
Technical field
The present invention relates to a kind of profile of utilization translation swallow appearance cam, passed by the motion of upper and lower two levers supports point
Pass, control the end clamping jaw of upper and lower two levers to be in centering all the time, with the circle of radius with the clamping jaw of swallow appearance cam tip in real time
On, so as to clamp the automatically centering fixture of circular shaft-type parts, belong to Mechanical Manufacture and Automation field, applied to slender axles
The Precision Machining of class part.
Background technology
Thin and long shafts part is the class part most generally used in mechanized equipment, the bent axle of such as automobile, weaving loom, printing
Synchronizing shaft of machine etc..Thin and long shafts part greatest problem present in turning, grinding is that can have very big bending to become
Shape and self-excited vibration, cause slender axles to be turned round in space high speed swinging, this can not only badly influence the final size of slender axles
Precision and form accuracy, and serious accident can be caused, cause the personal injury of the producer.
For the flexural deformation for controlling slender axles to produce in process, it is necessary to install centralizer on slender axles,
So that slender axles are all the time around fixed center of circle revolution.Therefore, people invent manual heart-shaped fixture earliest, this fixture likeness in form is public
Chicken, the inside protrudent length that three bolts on fixture clamp pin is reconciled by manual wrench, to clamp circular shaft-type parts.It is this
Heart-shaped fixture once played great function in the processing of thin and long shafts part, still, and this kind of fixture has appearance and size greatly,
The radius variable for the axial workpiece that can be clamped is installed the bottom of than, dismantles the low problem of workpiece efficiency, and is eliminated gradually.
With the raising of production automation level, developed country starts automatically centering fixture occur in the world, this fixture
Maximum feature be adapt to axial workpiece radius change scope it is wide, dismounting workpiece is convenient, and can realize automated exchanged cutter.
But developed countries are strictly blocked to the designing technique of automatically centering fixture, by technical monopoly, and each centralizer is to me
The price of state is up to more than 200,000 yuan, this strange high cost so that lathe producer of China is when configuring machine tool functional component
It can only hang back.
National manufacturing industry is revitalized, the road of unique feasible is independent, develops the production with independent intellectual property right
Product, first take up from lathe key foundation parts.The dexterous three-jaw of translation swallow appearance cam mandrel type that the present invention is researched and developed is automatic
Centralizer, the one kind just belonged in lathe key foundation parts.Product of the present invention, it will in lifting China thin and long shafts zero
Huge efficiency has been given play in terms of the machining accuracy and production efficiency of part.
The content of the invention
It is an object of the invention to the problem on deformation produced for slender parts in processing, a kind of cavity three-jaw is proposed
With one heart with footpath linkage clamp, swallow appearance cam profile shape translation is driven by cylinder, end clamping jaw and the swallow of upper and lower two levers is controlled
Appearance cam tip clamping jaw keeps synchronous centripetal motion, and centering clamping is realized to the axial workpiece in the range of large scale so as to realize.
The dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type proposed by the present invention, takes cylinder to promote swallow appearance convex
Translation is taken turns, by the contour shape of swallow appearance cam, the characteristics of motion at upper and lower two levers support ends is controlled, so that indirect control
The clamping jaw of the jaw end of upper and lower two levers and tail end of camshaft keeps concentric same neck to link, and with compact contour structures, realizes
To the purpose of slender axles centering clamping.
Fig. 1 .1 and Fig. 1 .2 are the dexterous three-jaw automatic centring fixture assembling of translation swallow appearance cam mandrel type proposed by the present invention
Figure and perspective view.Fig. 2 is the dexterous three-jaw automatic centring fixture three-dimensional installation diagram of translation swallow appearance cam mandrel type proposed by the present invention.
A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type, the agent structure of three-jaw automatic centring fixture
It is arranged between preceding boxboard (17) and rearing-box plate (16), preceding boxboard (17) and rearing-box plate (16) are arranged symmetrically.Agent structure includes
Lever (4), lever floating bearing (3), lever trip bolt (19), preceding guide pad (5), preceding guide bearing (10), guiding fastening
Screw (18), guide rail (7), extension spring, which are hung, turns round (15), extension spring (6), swallow appearance camshaft (14), drive cylinder (11), cylinder alignment pin
(12), locking nut (13) is sequentially connected.
The top of swallow appearance camshaft (14) is yi word pattern straight guide structure, and the two ends of yi word pattern straight guide structure are connected respectively
Oblique arcuate structure, the bottom of swallow appearance camshaft (14) is provided with groove；The two bottom sides of swallow appearance camshaft (14) pass through the rear axis of guide
(8) are held to be engaged with guide rail (7), two guide rails (7) be parallel to each other and be arranged symmetrically in preceding boxboard (17) and rearing-box plate (16) it
Between；The center section of two levers (4) is fixed on preceding boxboard (17) and rearing-box plate by two lever floating bearings (3) respectively
(16) upper and lower ends, lever floating bearing (3) is solid by lever trip bolt (19) and preceding boxboard (17) and rearing-box plate (16)
It is fixed；The bottom of each lever (4) is equipped with spring bearing (9), two spring bearings (9) and two oblique arcs on swallow appearance camshaft (14)
Shape structure is engaged, and the end of each lever (4) is equipped with a clamping jaw bearing (2), and clamping jaw bearing (2) fixes spiral shell by bearing
Nail (1) is connected with lever (4).
The bottom inside of each lever (4), which is equipped with extension spring, hangs and turns round (15), extension spring hang turn round (15) by extension spring (6) with it is leading
Connected to block (5), extension spring (6) is connected by being oriented to trip bolt (18) with preceding guide pad (5)；The end of guide pad (5) before each
Portion is equipped with preceding guide bearing (10), and two preceding guide bearings (10) are engaged with the upper and lower surface of yi word pattern straight guide structure；
The top of drive cylinder (11) is in contact by locking nut (13) with the bottom groove of swallow appearance camshaft (14), is driven
Take offence cylinder (11) bottom be provided with cylinder alignment pin (12).
The end of yi word pattern straight guide structure is provided with bearing, and the end of two levers (4) is equipped with clamping jaw bearing (2), axle
Hold and two clamping jaw bearings (2) constitute the clamp structure of three-jaw automatic centring fixture.
Upper gripper jaw bearing (2) and spring bearing (9) are installed with bearing fixing screws (1) respectively in the front and back end of lever (4).Swallow
Appearance camshaft (14) then installs guide bearing (8) after upper gripper jaw bearing (2) and two with bearing fixing screws (1) respectively.Entirely
Translation swallow appearance cam mandrel type dexterity three-jaw automatic centring fixture is symmetrical above and below.
Brief description of the drawings
Fig. 1 .1 are the dexterous three-jaw automatic centring fixture installation diagram of translation swallow appearance cam mandrel type proposed by the present invention.
Fig. 1 .2 are the dexterous three-jaw automatic centring fixture assembling perspective view of translation swallow appearance cam mandrel type proposed by the present invention.
The dexterous three-jaw automatic centring fixture three-dimensional installation diagram of Fig. 2 translation swallow appearance cam mandrel types proposed by the present invention.
1 in figure, bearing fixing screws 2, upper gripper jaw bearing 3, lever floating bearing 4, lever 5, preceding guide pad are installed
6th, extension spring 7, guide rail 8, rear guide bearing 9, spring bearing 10, preceding guide bearing 11, drive cylinder 12, cylinder alignment pin
13rd, locking nut 14, swallow appearance camshaft 15, extension spring hang turn round 16, rearing-box plate 17, preceding boxboard 18, be oriented to trip bolt 19,
Lever trip bolt.
Embodiment
According to shown in Fig. 1 .1-1.2, translation swallow appearance cam mandrel type dexterity three-jaw automatic centring fixture assembles perspective view, according to
It is secondary that lever (4), bearing fixing screws (1), clamping jaw bearing (2), spring bearing (9), extension spring are hung torsion (15) and be installed in place, constitute
Lever assembly.Swallow appearance camshaft (14), bearing fixing screws (1), clamping jaw bearing (2), rear guide bearing (8) are installed to successively
Position, constitutes swallow appearance cam assembly.Preceding guide pad (5), preceding guide bearing (10), bearing fixing screws (1), extension spring are hung successively
Turn round (15) to be installed in place, constitute front support component.Finally again successively by lever assembly, front support establishment, swallow appearance cam pack, preceding
Boxboard (17), lever floating bearing (3), lever trip bolt (19), guiding trip bolt (18), guide rail (7), extension spring (6), drive
Take offence cylinder (11), cylinder alignment pin (12), locking nut (13), rearing-box plate (16) is installed in place, and constitutes translation swallow appearance cam core
Shaft type dexterity three-jaw automatic centring fixture.
The dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type proposed by the present invention uses structure symmetrical above and below,
Lever assembly, front support component, extension spring (6), guide rail (7) respectively install a set of at up and down two.Swallow appearance camshaft (14) rear portion
Guide bearing (8) after two are installed, by being positioned above and below guide rail (7) realization, that is installed on anterior forward guide pad (5) is leading
Supported to bearing (10), so as to ensure that swallow appearance camshaft (14) can only be in horizontal movement.Under the driving of drive cylinder (11),
Swallow appearance camshaft (14) realizes automatic left and right translation.Cam profile shape curve on swallow appearance camshaft (14) and the branch on lever (4)
Support bearing (9) to be in close contact, promote lever to surround the axis rotation of lever floating bearing (3), drive the clamping jaw axle on lever (4)
Hold the radial direction of (2) along a fixed center of circle and do stretching motion.Because the cam profile shape on swallow appearance camshaft (14) is bent
Line is by tight calculating, it is ensured that the clamping jaw bearing (2) on lever (4) begins with the clamping jaw bearing (2) on swallow appearance camshaft (14)
Be maintained at eventually the center of circle fix, radius identical position, it is achieved thereby that the circular shaft of pawl card different radii and keeping the circular shaft center of circle
The constant function in position.
Three clamping jaws of the dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type proposed by the present invention use bearing
Realize, it is ensured that axial workpiece remained in the case of clamped it is light and handy surround axis rotation, this is Machining of Shaft-type Parts work
The exclusive requirement that skill is proposed to support fixture.
The dexterous three-jaw automatic centring fixture compact overall structure of translation swallow appearance cam mandrel type proposed by the present invention, can be clamped
Axle journal scope it is big, from 3 millimeters to 100 millimeters, maximum subtended angle can be presented in feeding for three clamping jaws, directly can be put into from transverse direction
Long shaft part, workpiece loading and unloading is convenient, and position of the centering with radius is remained in clamping, and under the driving of cylinder, it is real
Now automatic clamping, the need for being especially suitable for thin and long shafts part Auxiliary support and the need for the production automation.Whole device has
The characteristics of cost is low, durability is good, by the dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type proposed by the present invention,
Thin and long shafts part work in-process can be resisted and produce flexural deformation and self-excited vibration, thus can significantly improve thin and long shafts part
Machining accuracy, with great popularization and application value.
Claims (4)
1. a kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type, it is characterised in that：Three-jaw automatic centring fixture
Agent structure be arranged between preceding boxboard (17) and rearing-box plate (16), preceding boxboard (17) and rearing-box plate (16) are arranged symmetrically；It is main
Body structure includes lever (4), lever floating bearing (3), lever trip bolt (19), preceding guide pad (5), preceding guide bearing
(10) trip bolt (18), guide rail (7), extension spring extension, are oriented to and turns round (15), extension spring (6), swallow appearance camshaft (14), drive cylinder
(11), cylinder alignment pin (12), locking nut (13) are sequentially connected；
The top of swallow appearance camshaft (14) is yi word pattern straight guide structure, and the two ends of yi word pattern straight guide structure connect oblique arc respectively
Shape structure, the bottom of swallow appearance camshaft (14) is provided with groove；The two bottom sides of swallow appearance camshaft (14) pass through rear guide bearing (8)
It is engaged with guide rail (7), two guide rails (7) are parallel to each other and are arranged symmetrically between preceding boxboard (17) and rearing-box plate (16)；Two
The center section of individual lever (4) is fixed on preceding boxboard (17) and rearing-box plate (16) by two lever floating bearings (3) respectively
Upper and lower ends, lever floating bearing (3) is fixed by lever trip bolt (19) and preceding boxboard (17) and rearing-box plate (16)；Each
The bottom of lever (4) is equipped with spring bearing (9), two spring bearings (9) and two oblique arcuate structures on swallow appearance camshaft (14)
It is engaged, the end of each lever (4) is equipped with a clamping jaw bearing (2), and clamping jaw bearing (2) passes through bearing fixing screws (1)
It is connected with lever (4)；
The bottom inside of each lever (4) is equipped with extension spring and hangs torsion (15), and extension spring hangs torsion (15) and passes through extension spring (6) and preceding guide pad
(5) connect, extension spring (6) is connected by being oriented to trip bolt (18) with preceding guide pad (5)；The end of guide pad (5) is equal before each
Provided with preceding guide bearing (10), two preceding guide bearings (10) are engaged with the upper and lower surface of yi word pattern straight guide structure；
The top of drive cylinder (11) is in contact by locking nut (13) with the bottom groove of swallow appearance camshaft (14), driving gas
The bottom of cylinder (11) is provided with cylinder alignment pin (12)；
The end of yi word pattern straight guide structure is provided with bearing, and the ends of two levers (4) is equipped with clamping jaw bearing (2), bearing and
Two clamping jaw bearings (2) constitute the clamp structure of three-jaw automatic centring fixture.
2. a kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type according to claim 1, its feature exists
In：The athletic posture of swallow appearance cam mandrel is constrained by preceding guide pad and back track so that it can only produce horizontal movement.
3. a kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type according to claim 1, its feature exists
In：The fixture is by the spring bearing of two connecting rods up and down and swallow appearance cam profile shape exact contact, so that by swallow appearance cam contour
Shape curve strictly control above and below two connecting rods angle of revolution, it is ensured that the clamping jaw bearing of two connecting rod front ends and swallow appearance up and down
The clamping jaw bearing of cam mandrel front end keeps centering, with the interaction relation of radius.
4. a kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type according to claim 1, its feature exists
In：All contacts site of the fixture, including the contact with preceding guide pad and back track of swallow appearance cam mandrel, connecting rod rear portion branch
Support end contact with swallow appearance cam profile shape, three clamping jaws and the contact of clamped workpiece spindle, connecting rod and the revolution heart axle of its own
Contact, completed by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431952.2A CN107127590A (en) | 2017-06-09 | 2017-06-09 | A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431952.2A CN107127590A (en) | 2017-06-09 | 2017-06-09 | A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type |
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| Publication Number | Publication Date |
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| CN107127590A true CN107127590A (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710431952.2A Pending CN107127590A (en) | 2017-06-09 | 2017-06-09 | A kind of dexterous three-jaw automatic centring fixture of translation swallow appearance cam mandrel type |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649854A (en) * | 2017-11-14 | 2018-02-02 | 合肥工业大学 | It is a kind of to encircle arm fixture for the processing of ITER vacuum chambers |
| CN108326778A (en) * | 2018-03-12 | 2018-07-27 | 成都德立诚机械设备有限公司 | A kind of reducing automatic fixture |
| CN108500652A (en) * | 2018-03-28 | 2018-09-07 | 常州信息职业技术学院 | Centre frame |
| CN109202111A (en) * | 2018-11-26 | 2019-01-15 | 安徽全柴动力股份有限公司 | A kind of camshaft processing clamping device and working method |
| CN109506873A (en) * | 2018-11-22 | 2019-03-22 | 中国核电工程有限公司 | It is a kind of can fast automatic release test part suspender |
| CN109719527A (en) * | 2019-03-06 | 2019-05-07 | 苏州哈工易科机器人有限公司 | Pusher self-centering clamping jaw |
| CN109823093A (en) * | 2019-02-27 | 2019-05-31 | 张慧利 | A kind of multi-action computer educational facilities and its application method |
| CN110000723A (en) * | 2019-03-27 | 2019-07-12 | 巨力自动化设备（浙江）有限公司 | Armature high-frequency heating oil removing fixture |
| CN110253334A (en) * | 2019-07-23 | 2019-09-20 | 哈尔滨理工大学 | A kind of nozzle of cutting fluid special fixture |
| CN110640422A (en) * | 2019-09-24 | 2020-01-03 | 河南欣柯奕舟重工科技有限公司 | Disassembly honing device of hydraulic cylinder |
| CN110744327A (en) * | 2019-10-24 | 2020-02-04 | 黄浩瑞 | Machining clamp for cavity type casting parts |
| CN112337927A (en) * | 2020-10-14 | 2021-02-09 | 杨小礼 | Bearing fixing device for bearing cleaning machine |
| CN112452873A (en) * | 2020-10-28 | 2021-03-09 | 杨小礼 | Bearing cleaning machine |
| CN113587841A (en) * | 2021-08-11 | 2021-11-02 | 东北大学 | Quick centering type blast hole measuring device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649854A (en) * | 2017-11-14 | 2018-02-02 | 合肥工业大学 | It is a kind of to encircle arm fixture for the processing of ITER vacuum chambers |
| CN108326778A (en) * | 2018-03-12 | 2018-07-27 | 成都德立诚机械设备有限公司 | A kind of reducing automatic fixture |
| CN108500652A (en) * | 2018-03-28 | 2018-09-07 | 常州信息职业技术学院 | Centre frame |
| CN109506873A (en) * | 2018-11-22 | 2019-03-22 | 中国核电工程有限公司 | It is a kind of can fast automatic release test part suspender |
| CN109202111A (en) * | 2018-11-26 | 2019-01-15 | 安徽全柴动力股份有限公司 | A kind of camshaft processing clamping device and working method |
| CN109823093A (en) * | 2019-02-27 | 2019-05-31 | 张慧利 | A kind of multi-action computer educational facilities and its application method |
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| CN110253334A (en) * | 2019-07-23 | 2019-09-20 | 哈尔滨理工大学 | A kind of nozzle of cutting fluid special fixture |
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| CN110744327A (en) * | 2019-10-24 | 2020-02-04 | 黄浩瑞 | Machining clamp for cavity type casting parts |
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Application publication date: 20170905 |
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