CN203579221U - Liquid plastic outer supporting self-centering clamping device for machining - Google Patents
Liquid plastic outer supporting self-centering clamping device for machining Download PDFInfo
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- CN203579221U CN203579221U CN201320621956.4U CN201320621956U CN203579221U CN 203579221 U CN203579221 U CN 203579221U CN 201320621956 U CN201320621956 U CN 201320621956U CN 203579221 U CN203579221 U CN 203579221U
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- Prior art keywords
- liquid plastics
- liquid plastic
- clamping device
- runner
- cylinder body
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- 229920003023 plastic Polymers 0.000 title claims abstract description 119
- 239000004033 plastic Substances 0.000 title claims abstract description 119
- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000003754 machining Methods 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000011159 matrix material Substances 0.000 claims description 32
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 208000008103 Amniotic Band Syndrome Diseases 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000012545 processing Methods 0.000 description 7
- 238000007514 turning Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a liquid plastic outer supporting self-centering clamping device for machining. The liquid plastic outer supporting self-centering clamping device comprises a base body and the like. A main liquid plastic runner and a liquid plastic injection runner are arranged in the base body, and the main liquid plastic runner is provided with four auxiliary liquid plastic runners; a thrust bolt is installed in an opening of the liquid plastic injection runner, and the two ends of the main liquid plastic runner are sealed respectively; a pressure sensor and a digital pressure display device are installed on the base body, and the pressure sensor makes contact with liquid plastic in the main liquid plastic runner. The base body and a double-annular-groove thin-wall sleeve are fixedly installed in a matched mode; a sealing ring is installed on the double-annular-groove thin-wall sleeve so as to prevent the liquid plastic from leaking in the pressurization process. The liquid plastic outer supporting self-centering clamping device for machining has certain universality, is particularly suitable for machining thin-wall cylinder parts and is high in centering accuracy and even in outer supporting force; deformation of workpieces after being clamped is small, clamping force is exerted accurately, the workpieces are rapid to assemble and disassemble, the production period is greatly shortened, and the production cost is lowered; the liquid plastic itself has no corrosive effect, and therefore the liquid plastic outer supporting self-centering clamping device cannot lose performance after being used for a long time.
Description
Technical field
The utility model relates to the Machining Technology field of hardware, relates in particular to a kind of machined liquid plastics and supports self-centering clamping device outward.
Background technology
In aviation and space industry, having many working surfaces is the precise thin-wall cylindrical element of endoporus or cylindrical, and requiring has higher dimensional accuracy and axiality, and other finished surfaces have technical requirement to it.Because the thin part of most of walls belongs to weak hard parts, relative rigidity is lower, intensity a little less than, processing technology is poor, particularly in the case of the dimensional accuracy to part and Geometrical Tolerance Principle higher, the processing conditions such as clamping, cutting force and cutting temperature to part are all very responsive, processing get up yielding and produce vibration, be difficult to controlled working precision, production efficiency is lower.Therefore the machining that realizes high accuracy, high efficiency and the high reliability of precision part is the important topic that military industrial manufacturing enterprise faces always.
Utility model content
The purpose of this utility model is to provide a kind of machined liquid plastics to support self-centering clamping device outward, to improve the centering degree of accuracy of thin cylinder class part to be processed, improves the working (machining) efficiency of part.
According to an aspect of the present utility model, provide a kind of machined liquid plastics to support self-centering clamping device outward, comprise: the first sealing screw 1, matrix 2, thrust bolt 3, the first sealing ring 4, liquid plastics 5, dicyclo groove thin walled cylinder body 6, the second sealing ring 7, trip bolt 8, the second sealing screw 9, pressure sensor and pressure on the number display unit 10, in described matrix 2, be provided with the liquid plastics sprue and the liquid plastics that are connected and inject runner, liquid plastics sprue includes four liquid plastics runners, liquid plastics runner is communicated in the conduit of dicyclo groove thin walled cylinder body 6, the inner surface of described dicyclo groove thin walled cylinder body 6 coordinates installation with the outer surface of described matrix 2, and position and fix by described trip bolt 8, there is seal groove at the two ends of described dicyclo groove thin walled cylinder body 6, and described the first sealing ring 4 and the second sealing ring 7 be housed respectively, one side opening of liquid plastics sprue seals with described the first sealing screw 1, the opposite side opening of liquid plastics sprue seals with described the second sealing screw 9, the opening that liquid plastics injects on runner is equipped with described thrust bolt 3, liquid plastics sprue, liquid plastics injects runner, and be filled with liquid plastics 5 in the cavity that forms of the conduit of annular groove thin walled cylinder body 6, pressure sensor and pressure on the number display unit 10 are housed on matrix 2, pressure sensor contacts with the liquid plastics in liquid plastics sprue.
Preferably, also comprise thin-wall sleeve barrier part 12 to be processed, wherein, thin-wall sleeve barrier part 12 to be processed is arranged on the external cylindrical surface of described dicyclo groove thin walled cylinder body 6.
Preferably, it is the addendum cone hole of 60 degree that there is angle one end of described matrix, makes the addendum cone of lathe can withstand described machined liquid plastics and supports self-centering fixture outward, the stability while improving turning.
According to another aspect of the present utility model, also provide a kind of above-mentioned machined liquid plastics to support the using method of self-centering clamping device outward, comprise the steps:
Step 1: before clamping, according to the internal diameter size of thin-wall sleeve barrier part to be processed and version, design and manufacture dicyclo groove thin walled cylinder body 6 and dowel hole, guarantee that the inwall of dicyclo groove thin walled cylinder body 6 and thin-wall sleeve barrier part 12 to be processed can matched in clearance; The first sealing ring 4 and the second sealing ring 7 are installed respectively in two seal grooves of dicyclo groove thin walled cylinder body 6, are then coordinated installation with matrix 2, and be fixed and locate with trip bolt 8;
Step 2: with the first sealing screw 1 by a side opening sealing of liquid plastics sprue, then with the second sealing screw 9, the opposite side opening of liquid plastics sprue is sealed, the liquid plastics inlet that injects runner from liquid plastics is injected into liquid plastics sprue by liquid plastics, standing 7-8 hour, is screwed into and promotes bolt 2-3 circle, allows gas slowly get rid of, be screwed into again and promote bolt 2-3 circle, allow gas slowly get rid of, with this, circulate, until the gas in liquid plastics sprue is discharged;
Step 3: utilize crane gear that described machined liquid plastics is supportted to self-centering clamping device outward and lift to lathe, with lathe chuck 11 by the face of cylinder, one end clamping of matrix 2, and play table and raise flatly, make described machined liquid plastics support the dead in line of axis and the lathe chuck 11 of self-centering clamping device outward;
Step 4: withstand the addendum cone hole of matrix 2 other ends with addendum cone 13, assurance the utility model can be stablized turning after clamping thin-walled sleeve part on lathe;
Step 5: thin-wall sleeve barrier part 12 to be processed is installed to described machined liquid plastics and support outward on self-centering clamping device, first with alignment pin, simply locate, then with spanner, twist thrust bolt 3, according to the pressure value in pressure on the number display unit, dicyclo groove thin walled cylinder body 6 is applied to suitable pressure, make dicyclo groove thin walled cylinder body 6 stressed, and outwards form annular projection in the 6 thin-walled places distortion of dicyclo groove thin walled cylinder body, support the inwall of thin-wall sleeve barrier part 12 to be processed.
Application the utility model can be according to the architectural feature of workpiece, and thin cylinder part dowel hole processed or other elements of fix on described matrix, guarantee that workpiece supports the accurate location on self-centering clamping device outward at machined liquid plastics.
The machined that the utility model provides is supportted self-centering clamping device outward owing to having above technical scheme with liquid plastics, makes it compared with prior art have following advantage and good effect:
1) machined that the utility model provides is supportted self-centering clamping device outward by turning thrust bolt with liquid plastics, and pressure is passed to dicyclo groove thin walled cylinder body, and clamp speeds is fast, and clamping efficiency is high;
2) machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics, can, by changing the dicyclo groove thin walled cylinder body of different-diameter, adapt to the processing of the thin wall cylinder class part to be processed of different-diameter;
3) machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics, and the thin walled cylinder body adopting is dicyclo groove thin walled cylinder body, makes part to be processed in installation process, be difficult for deflection occurs, and centering precision is high;
4) machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics, the pressure sensor of installing and pressure on the number display unit can Measurement accuracy liquid plastics interior force value, can the application of force when being conducive to operating personnel and turning spanner accurate;
5) machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics, adopts liquid plastics to transmit pressure, is difficult for leaking, and corrosion-free effect own, can be used nonvolatile energy for a long time;
6) machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics, and the matrix right-hand member adopting has addendum cone hole, while being convenient to install on lathe, can withstand with addendum cone, has strengthened stability and reliability that turning adds man-hour.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is the structural representation that machined liquid plastics that the utility model provides supports self-centering clamping device outward;
Fig. 2 is machined liquid plastics that the utility model the provides structure chart while supportting self-centering clamping device clamping part to be processed outward.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
Core concept of the present utility model is, provide a kind of machined liquid plastics to support self-centering clamping device outward, comprise matrix, sealing screw, sealing ring, liquid plastics, thrust bolt, trip bolt, dicyclo groove thin walled cylinder body and pressure sensor and pressure on the number display unit; Described matrix coordinates installation with described dicyclo groove thin walled cylinder body, and positions and be connected with described hold-down screw.In described matrix, there are a liquid plastics sprue and a liquid plastics to inject runner, on liquid plastics sprue, are useful on four liquid plastics branch flow passages that are communicated with annular groove.The liquid plastics of described matrix injects the perforate of runner described thrust bolt is installed, and two of the left and right perforate of liquid plastics sprue seals with described sealing screw respectively.Pressure sensor and pressure on the number display unit are installed on described matrix, are convenient to measure force value and the accurate application of force in liquid plastics, described sealing ring is installed on described dicyclo groove thin walled cylinder body, the liquid plastics described in preventing is revealed in the process of pressurization.Solved in thin cylinder class parts fixation process centering precision low, the problem that clamping efficiency is not high.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation that machined liquid plastics that the utility model provides supports self-centering clamping device outward, Fig. 2 is machined liquid plastics self-centering that the utility model the provides structure chart while supportting clamping device clamping part to be processed outward, as shown in Figure 1, the machined that the utility model embodiment provides is supportted self-centering clamping device outward with liquid plastics, comprise: the first sealing screw 1, matrix 2, thrust bolt 3, the first sealing ring 4, liquid plastics 5, dicyclo groove thin walled cylinder body 6, the second sealing ring 7, trip bolt 8, the second sealing screw 9, pressure sensor and pressure on the number display unit 10, in described matrix 2, there are liquid plastics sprue and liquid plastics to inject runner, on liquid plastics sprue, there are four liquid plastics runners, liquid plastics sprue left side seals with described the first sealing screw 1, liquid plastics sprue right side seals with described the second sealing screw 9, and liquid plastics injects runner upper shed described thrust bolt 3 is housed.
Pressure sensor and pressure on the number display unit 10 are installed on described matrix, and pressure sensor contacts with the liquid plastics in liquid plastics sprue.
The inner surface of described dicyclo groove thin walled cylinder body 6 coordinates installation with the outer surface of described matrix 2, and positions and fix with described trip bolt 8.
There is seal groove at the two ends of described dicyclo groove thin walled cylinder body 6, and described the first sealing ring 4 and the second sealing ring 7 are housed respectively, to prevent that liquid plastics from leaking after pressurization.
The outer surface of the inner surface of described thin-wall sleeve barrier part 12 to be processed and described dicyclo groove thin walled cylinder body 6 does matched in clearance and installs.
According to the architectural feature of described thin-wall sleeve barrier part 12 to be processed, workpiece dowel hole processed or other elements of fix on described thin walled cylinder body 6, guarantee that thin-wall sleeve barrier part 12 to be processed supports the accurate location on clamping device outward in the self-centering of machined liquid plastics.
Because the utility model adopts above technical scheme, make it be specially adapted to the processing of thin-walled cylindrical workpiece.
Please continue to refer to Fig. 2, Fig. 2 is machined liquid plastics self-centering that the utility model the provides structure chart while supportting clamping device clamping part to be processed outward, and the machined that the utility model provides by the concrete occupation mode that clamping device is supportted in liquid plastics self-centering is outward:
(1) before clamping, according to internal diameter size and the version of processing thin-walled cylinder part of generation, design and manufacture dicyclo groove thin walled cylinder body 6 and dowel hole, guarantee that the inwall of dicyclo groove thin walled cylinder body 6 and thin-wall sleeve barrier part 12 to be processed can matched in clearance; In two seal grooves of dicyclo groove thin walled cylinder body 6, the first sealing ring 4 is installed, is then coordinated installation with matrix 2, and be fixed and locate with trip bolt 8.
(2) with the first sealing screw 1, the left side opening of liquid plastics sprue is sealed, then with the second sealing screw 9, the right openings of liquid plastics sprue is sealed, from liquid plastics inlet, liquid plastics is injected into liquid plastics runner, standing 7-8 hour, is screwed into and promotes bolt 2-3 circle, allows gas slowly get rid of, be screwed into again and promote bolt 2-3 circle, allow gas slowly get rid of, with this, circulate, until the gas in liquid plastics runner is discharged;
(3) utilize crane gear that the utility model device is lifted to lathe, with lathe chuck 11, by the left end face of cylinder clamping of matrix 2, and beat and show to raise flat, make the dead in line of axis of the present utility model and lathe chuck 11;
(4) with addendum cone 13, withstand the addendum cone hole of matrix 2 right-hand members, guarantee that the utility model can stablize turning after clamping thin-walled sleeve part on lathe.
(5) thin-wall sleeve barrier part 12 to be processed is installed on the utility model, first with alignment pin, simply locate, then with spanner, twist thrust bolt 3, according to the pressure value in pressure on the number display unit, dicyclo groove thin walled cylinder body 6 is applied to suitable pressure, make dicyclo groove thin walled cylinder body 6 stressed, and outwards form annular projection in the 6 thin-walled places distortion of dicyclo groove thin walled cylinder body, support the inwall of thin-wall sleeve barrier part 12 to be processed.
The utility model provides the self-centering of a kind of machined liquid plastics to support clamping device outward, comprises matrix, sealing screw, sealing ring, liquid plastics, thrust bolt, trip bolt, dicyclo groove thin walled cylinder body and pressure sensor and pressure on the number display unit; In described matrix, there are two liquid plastics main channels, on each liquid plastics main channel, have two liquid plastics subchannels; Described thrust bolt is installed in the right-hand member of described matrix upper end liquid plastics passage or left end perforate, and four perforates of all the other fluidity plastic of conduit seal with described sealing screw respectively; Pressure sensor and pressure on the number display unit are installed on described matrix, and pressure sensor contacts with the liquid plastics in liquid plastics sprue.Described matrix inwall is installed and is coordinated with described dicyclo groove thin walled cylinder body, and positions and be connected with described hold-down screw; Described sealing ring is installed on described dicyclo groove thin walled cylinder body, and the liquid plastics described in preventing is revealed in the process of pressurization.The machined that the utility model provides is supportted self-centering clamping device outward with liquid plastics certain versatility, be applicable to the processing of thin-wall circular tube kind part, the centering degree of accuracy is high, work-handling is rapid, significantly shortened the production cycle, reduce production costs, and the corrosion-free effect of liquid plastics itself, nonvolatile energy therefore can be used for a long time.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (3)
1. a machined is supportted self-centering clamping device outward with liquid plastics, it is characterized in that, comprise: the first sealing screw (1), matrix (2), thrust bolt (3), the first sealing ring (4), liquid plastics (5), dicyclo groove thin walled cylinder body (6), the second sealing ring (7), trip bolt (8), the second sealing screw (9), pressure sensor and pressure on the number display unit (10), in described matrix (2), be provided with the liquid plastics sprue and the liquid plastics that are connected and inject runner, liquid plastics sprue includes four liquid plastics runners, liquid plastics runner is communicated in the conduit of dicyclo groove thin walled cylinder body (6), the inner surface of described dicyclo groove thin walled cylinder body (6) coordinates installation with the outer surface of described matrix (2), and position and fix by described trip bolt (8), there is seal groove at the two ends of described dicyclo groove thin walled cylinder body (6), and described the first sealing ring (4) and the second sealing ring (7) be housed respectively, one side opening of liquid plastics sprue seals with described the first sealing screw (1), the opposite side opening of liquid plastics sprue seals with described the second sealing screw (9), the opening that liquid plastics injects on runner is equipped with described thrust bolt (3), liquid plastics sprue, liquid plastics injects runner, and be filled with liquid plastics (5) in the cavity that forms of the conduit of annular groove thin walled cylinder body (6), pressure sensor and pressure on the number display unit (10) are housed on matrix (2), pressure sensor contacts with the liquid plastics in liquid plastics sprue.
2. machined according to claim 1 is supportted self-centering clamping device outward with liquid plastics, it is characterized in that, also comprise thin-wall sleeve barrier part to be processed (12), wherein, thin-wall sleeve barrier part to be processed (12) is arranged on the external cylindrical surface of described dicyclo groove thin walled cylinder body (6).
3. machined according to claim 1 is supportted self-centering clamping device outward with liquid plastics, it is characterized in that, it is the addendum cone hole of 60 degree that there is angle one end of described matrix.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320621956.4U CN203579221U (en) | 2013-10-09 | 2013-10-09 | Liquid plastic outer supporting self-centering clamping device for machining |
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CN201320621956.4U CN203579221U (en) | 2013-10-09 | 2013-10-09 | Liquid plastic outer supporting self-centering clamping device for machining |
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CN201320621956.4U Expired - Lifetime CN203579221U (en) | 2013-10-09 | 2013-10-09 | Liquid plastic outer supporting self-centering clamping device for machining |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109333409A (en) * | 2018-11-28 | 2019-02-15 | 惠阳航空螺旋桨有限责任公司 | A kind of positioning tool of housing part |
CN109372875A (en) * | 2018-11-20 | 2019-02-22 | 中国航发贵州黎阳航空动力有限公司 | A kind of big pressure nut of micro- torque |
CN115971928A (en) * | 2023-03-16 | 2023-04-18 | 秦皇岛科泰工业有限公司 | Workpiece clamping device of numerical control lathe |
-
2013
- 2013-10-09 CN CN201320621956.4U patent/CN203579221U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109372875A (en) * | 2018-11-20 | 2019-02-22 | 中国航发贵州黎阳航空动力有限公司 | A kind of big pressure nut of micro- torque |
CN109333409A (en) * | 2018-11-28 | 2019-02-15 | 惠阳航空螺旋桨有限责任公司 | A kind of positioning tool of housing part |
CN115971928A (en) * | 2023-03-16 | 2023-04-18 | 秦皇岛科泰工业有限公司 | Workpiece clamping device of numerical control lathe |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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CX01 | Expiry of patent term |