CN204686065U - Large thin-wall ring end face founds Vehicle Processing positioning fixture - Google Patents

Large thin-wall ring end face founds Vehicle Processing positioning fixture Download PDF

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Publication number
CN204686065U
CN204686065U CN201520197429.4U CN201520197429U CN204686065U CN 204686065 U CN204686065 U CN 204686065U CN 201520197429 U CN201520197429 U CN 201520197429U CN 204686065 U CN204686065 U CN 204686065U
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CN
China
Prior art keywords
chuck
suction disc
magnetic suction
thin
wall
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Expired - Fee Related
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CN201520197429.4U
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Chinese (zh)
Inventor
徐金相
李利
徐天育
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Hoerbiger Valve Industry (changzhou) Co Ltd
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Hoerbiger Valve Industry (changzhou) Co Ltd
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Priority to CN201520197429.4U priority Critical patent/CN204686065U/en
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Abstract

The utility model discloses a kind of large thin-wall ring end face and found Vehicle Processing positioning fixture, belong to frock clamp field.A kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, comprises free style chuck, magnetic suction disc and scroll chuck, and described magnetic suction disc is clamped on free style chuck, for the baseplane of strong adsorption thin-wall circular ring; Described scroll chuck is installed on the top of magnetic suction disc, for the inner circle of Set and Positioning thin-wall circular ring; The axes coincide of described free style chuck, magnetic suction disc and scroll chuck.The utility model is by strong magnetic sucker and three-jaw centering chuck organic assembling, realize the self-centering of large thin-wall annulus part, positioning precision is high, and solve the support issue of the baseplane of large thin-wall annulus part, eliminate the cutter phenomenon of shaking in processing, make part clamping and positioning fast and reliable, can high-rate cutting processing be carried out.

Description

Large thin-wall ring end face founds Vehicle Processing positioning fixture
Technical field
The utility model relates to a kind of fixture, more particularly, relates to a kind of large thin-wall ring end face and founds Vehicle Processing positioning fixture.
Background technology
When machining, in order to ensure the precision that part is processed and crudy, all by fixture, part can be fixed on platen.Diameter is greater than to the thin wall circular part of 500mm, as depicted in figs. 1 and 2, if need to carry out end face processing and grooving processing in thin-wall circular ring 1, then generally need to use vertical lathe, and on the workbench of vertical lathe, adopt four paws to install fixing by this thin-wall circular ring 1.Adopt the mode of four paws clamping, part outer need be adjusted to locate clamping by school, the centering trouble of thin-wall circular ring 1, with duration; In addition, because the wall thickness of thin-wall circular ring 1 is all less, easily produce distortion when clamping, thus after causing processing part flatness and the depth of parallelism very poor, be difficult to ensure the machining accuracy of this type of part.The more important thing is, adopt four paws clamping thin wall circular part 1; bottom end face of thin-wall circular ring 1 cannot be fixed; generally need auxiliary polylith supplemental support in feature bottom; adaptation end face is processed, but in turnery processing, still there will be part vibration, produce at part finished surface cutter phenomenon of shaking; not only can cause part finished surface low precision, also can reduce cutting-tool's used life.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome existing large thin-wall ring end face locating and machining trouble, poor reliability, the deficiency that machining accuracy is low, a kind of large thin-wall ring end face is provided to found Vehicle Processing positioning fixture, adopt the technical solution of the utility model, by strong magnetic sucker and three-jaw centering chuck organic assembling, realize the self-centering of large thin-wall annulus part, positioning precision is high, and solve the support issue of the baseplane of large thin-wall annulus part, eliminate the cutter phenomenon of shaking in processing, make part clamping and positioning fast and reliable, high-rate cutting processing can be carried out.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, comprises free style chuck, magnetic suction disc and scroll chuck, and described magnetic suction disc is clamped on free style chuck, for the baseplane of strong adsorption thin-wall circular ring; Described scroll chuck is installed on the top of magnetic suction disc, for the inner circle of Set and Positioning thin-wall circular ring; The axes coincide of described free style chuck, magnetic suction disc and scroll chuck.
Further, described magnetic suction disc is also provided with contour pad, for making up the difference in height between magnetic suction disc and scroll chuck jaw.
Further, described contour pad is the fan-shaped cushion block be distributed on magnetic suction disc, and described contour pad adjustable ground is anchored on magnetic suction disc.
Further, described scroll chuck comprises standard scroll chuck body and nonstandard movable jaw, described nonstandard movable jaw comprises " L " clevis pawl and " L " shape contiguous block, and described " L " clevis pawl is connected with standard scroll chuck body by " L " shape contiguous block.
Further, described free style chuck is free style four paws centering chuck.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, and its magnetic suction disc is clamped on free style chuck, for the baseplane of strong adsorption thin-wall circular ring; Scroll chuck is installed on the top of magnetic suction disc, for the inner circle of Set and Positioning thin-wall circular ring; The axes coincide of free style chuck, magnetic suction disc and scroll chuck; By strong magnetic sucker and three-jaw centering chuck organic assembling, realize the self-centering of large thin-wall annulus part, positioning precision is high, and solve the support issue of the baseplane of large thin-wall annulus part, eliminate the cutter phenomenon of shaking in processing, make part clamping and positioning fast and reliable, can high-rate cutting processing be carried out;
(2) a kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, its magnetic suction disc is also provided with contour pad, for making up the difference in height between magnetic suction disc and scroll chuck jaw, and contour pad is the fan-shaped cushion block be distributed on magnetic suction disc, contour pad adjustable ground is anchored on magnetic suction disc, utilize contour pad that thin-wall circular ring and scroll chuck are located better, parts fixation is convenient; Contour pad is fan-shaped cushion block, conveniently installs adjustment, makes contour pad coaxial with magnetic suction disc, guarantees lathe stable operation;
(3) a kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, its scroll chuck comprises standard scroll chuck body and nonstandard movable jaw, nonstandard movable jaw comprises " L " clevis pawl and " L " shape contiguous block, " L " clevis pawl is connected with standard scroll chuck body by " L " shape contiguous block, standard scroll chuck improves, without the need to chuck special, simplify clamp structure, reduce the manufacturing cost of fixture; In addition, the thin-wall circular ring of clamping different inner diameters, only needing to change corresponding " L " clevis pawl can realize, and changes the outfit simple and convenient;
(4) a kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, adopt magnetic suction disc to realize strong adsorption to fix, the clamping power of scroll chuck can be reduced, thus avoid the distortion of thin-wall circular ring and decrease the damage of thin-wall circular ring inner circle, improve machining accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of large thin-wall annulus part of clamping in the utility model;
Fig. 2 is the I place close-up schematic view in Fig. 1;
Fig. 3 is the plan structure schematic diagram that large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture;
Fig. 4 is the A-A direction sectional structure schematic diagram in Fig. 3;
Fig. 5 is the structural representation of the scroll chuck in the utility model.
Label declaration in schematic diagram:
1, thin-wall circular ring; 2, scroll chuck; 21, standard scroll chuck body; 22, " L " shape contiguous block; 23, " L " clevis pawl; 3, contour pad; 4, magnetic suction disc; 5, free style chuck.
Detailed description of the invention
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
Shown in composition graphs 3 and Fig. 4, a kind of large thin-wall ring end face of the present embodiment founds Vehicle Processing positioning fixture, it is a kind of special fixture being greater than the thin-wall circular ring 1 of 500mm for vertical lathe processing diameter, it mainly comprises free style chuck 5, magnetic suction disc 4 and scroll chuck 2, magnetic suction disc 4 passes through the movable jaw Set and Positioning of free style chuck 5 on free style chuck 5, for the baseplane of strong adsorption thin-wall circular ring 1; Free style chuck 5 in the present embodiment is free style four paws centering chuck, and its school adjusts cylindrical to carry out the method for positioned magnetic sucker 4 similarly to the prior art, just repeats no more at this; Free style chuck 5 is installed on the rotary table of vertical lathe, owing to adding man-hour, magnetic suction disc 4, while absorption thin-wall circular ring 1, is also firmly adsorbed on the chuck body of free style chuck 5, therefore after magnetic suction disc 4 has been located, the movable jaw of dismountable free style chuck 5.Calutron is provided with in the middle part of magnetic suction disc 4, scroll chuck 2 is installed on the top of magnetic suction disc 4, for the inner circle of Set and Positioning thin-wall circular ring 1, scroll chuck 2 is adopted to locate the inner circle of thin-wall circular ring 1, realize the self-centering of thin-wall circular ring 1, avoid the troublesome operation of traditional four paws external centring, specifically in the present embodiment, due to the claw of standard scroll chuck and the distant of magnetic suction disc 4, therefore the inner circle clamping of thin-wall circular ring 1 cannot be realized, for this reason, only need to improve simply existing standard scroll chuck, specifically as shown in Figure 5, scroll chuck 2 comprises standard scroll chuck body 21 and nonstandard movable jaw, nonstandard movable jaw comprises " L " clevis pawl 23 and " L " shape contiguous block 22, " L " clevis pawl 23 is connected with standard scroll chuck body 21 by " L " shape contiguous block 22, wherein, between " L " clevis pawl 23 and " L " shape contiguous block 22, all with bolts between " L " shape contiguous block 22 and standard scroll chuck body 21, scroll chuck 2 in the present embodiment improves on standard scroll chuck, without the need to chuck special, simplify clamp structure, reduce the manufacturing cost of fixture, in addition, the thin-wall circular ring 1 of clamping different inner diameters, only needing to change corresponding " L " clevis pawl 23 can realize, and changes the outfit simple and convenient.The axes coincide of above-mentioned free style chuck 5, magnetic suction disc 4 and scroll chuck 2, guarantees that thin-wall circular ring 1 processes smooth running reliable.
In addition, as shown in Figure 3 and Figure 4, the magnetic suction disc 4 of the present embodiment is also provided with contour pad 3, for making up the difference in height between magnetic suction disc 4 and scroll chuck 2 jaw; And contour pad 3 is for being distributed in the fan-shaped cushion block on magnetic suction disc 4, contour pad 3 adjustable ground is anchored on magnetic suction disc 4.Particularly, the upper surface of magnetic suction disc 4 is provided with chute along on its radial direction, slide block is provided with in chute, contour pad 3 is connected with slide block by bolt, therefore, unscrewed by bolt, contour pad 3 can radially sliding along magnetic suction disc 4 on magnetic suction disc 4, when being adjusted to desired location, tighting a bolt and can realize the fixing of contour pad 3.Utilize contour pad 3 that thin-wall circular ring 1 and scroll chuck 2 are located better, parts fixation is convenient; Contour pad 3 is installed adjustment and is put just, makes contour pad 3 coaxial with magnetic suction disc 4, guarantees lathe stable operation.
A kind of large thin-wall ring end face of the present embodiment founds Vehicle Processing positioning fixture, during use, thin-wall circular ring 1 is lifted on contour pad 3, makes the jaw of scroll chuck 2 be arranged in the endoporus of thin-wall circular ring 1; Regulate the jaw of scroll chuck 2 to open, be stuck in the inner circle of thin-wall circular ring 1, realize the self-centering of thin-wall circular ring 1; Then start magnetic suction disc 4, the baseplane of thin-wall circular ring 1 is firmly fixed, end face processing and the fluting processing of thin-wall circular ring 1 can be carried out.
A kind of large thin-wall ring end face of the present utility model founds Vehicle Processing positioning fixture, by strong magnetic sucker and three-jaw centering chuck organic assembling, realize the self-centering of large thin-wall annulus part, positioning precision is high, and solve the support issue of the baseplane of large thin-wall annulus part, eliminate the cutter phenomenon of shaking in processing, make part clamping and positioning fast and reliable, can high-rate cutting processing be carried out; Further, adopt magnetic suction disc to realize strong adsorption and fix, the clamping power of scroll chuck can be reduced, thus avoid the distortion of thin-wall circular ring, decrease the damage of thin-wall circular ring inner circle, improve machining accuracy.
Below be schematically described the utility model and embodiment thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, without creatively designing the frame mode similar to this technical scheme and embodiment, protection domain of the present utility model all should be belonged to.

Claims (5)

1. a large thin-wall ring end face founds Vehicle Processing positioning fixture, it is characterized in that: comprise free style chuck (5), magnetic suction disc (4) and scroll chuck (2), described magnetic suction disc (4) is clamped on free style chuck (5), for the baseplane of strong adsorption thin-wall circular ring (1); Described scroll chuck (2) is installed on the top of magnetic suction disc (4), for the inner circle of Set and Positioning thin-wall circular ring (1); The axes coincide of described free style chuck (5), magnetic suction disc (4) and scroll chuck (2).
2. large thin-wall ring end face according to claim 1 founds Vehicle Processing positioning fixture, it is characterized in that: described magnetic suction disc (4) is also provided with contour pad (3), for making up the difference in height between magnetic suction disc (4) and scroll chuck (2) jaw.
3. large thin-wall ring end face according to claim 2 founds Vehicle Processing positioning fixture, it is characterized in that: described contour pad (3) is for being distributed in the fan-shaped cushion block on magnetic suction disc (4), and described contour pad (3) adjustable ground is anchored on magnetic suction disc (4).
4. the large thin-wall ring end face according to claim 1 or 2 or 3 founds Vehicle Processing positioning fixture, it is characterized in that: described scroll chuck (2) comprises standard scroll chuck body (21) and nonstandard movable jaw, described nonstandard movable jaw comprises " L " clevis pawl (23) and " L " shape contiguous block (22), and described " L " clevis pawl (23) is connected with standard scroll chuck body (21) by " L " shape contiguous block (22).
5. large thin-wall ring end face according to claim 4 founds Vehicle Processing positioning fixture, it is characterized in that: described free style chuck (5) is free style four paws centering chuck.
CN201520197429.4U 2015-04-02 2015-04-02 Large thin-wall ring end face founds Vehicle Processing positioning fixture Expired - Fee Related CN204686065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520197429.4U CN204686065U (en) 2015-04-02 2015-04-02 Large thin-wall ring end face founds Vehicle Processing positioning fixture

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105583411A (en) * 2016-03-11 2016-05-18 苏州苏氢制氢设备有限公司 New processing method for vertical lathe to process large-sized thin pieces
CN109129186A (en) * 2018-10-24 2019-01-04 武汉理工大学 A kind of positioning fixture and clamping method for annular titanium alloy casting
CN110193707A (en) * 2019-07-05 2019-09-03 无锡易通精密机械股份有限公司 A kind of large-scale welding circular cone holder processing unit (plant) and processing technology
CN112338212A (en) * 2020-11-17 2021-02-09 中车资阳机车有限公司 Anti-deformation method and device for turning thin-wall plate
CN113305596A (en) * 2021-05-28 2021-08-27 深圳大学 Ultra-precision machining centering mechanism
CN117549116A (en) * 2024-01-12 2024-02-13 三众精密机械南京有限公司 Self-centering electromagnetic chuck for machining rotary parts

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105583411A (en) * 2016-03-11 2016-05-18 苏州苏氢制氢设备有限公司 New processing method for vertical lathe to process large-sized thin pieces
CN109129186A (en) * 2018-10-24 2019-01-04 武汉理工大学 A kind of positioning fixture and clamping method for annular titanium alloy casting
CN109129186B (en) * 2018-10-24 2020-06-09 武汉理工大学 Positioning fixture and clamping method for titanium alloy annular casting
CN110193707A (en) * 2019-07-05 2019-09-03 无锡易通精密机械股份有限公司 A kind of large-scale welding circular cone holder processing unit (plant) and processing technology
CN112338212A (en) * 2020-11-17 2021-02-09 中车资阳机车有限公司 Anti-deformation method and device for turning thin-wall plate
CN113305596A (en) * 2021-05-28 2021-08-27 深圳大学 Ultra-precision machining centering mechanism
CN117549116A (en) * 2024-01-12 2024-02-13 三众精密机械南京有限公司 Self-centering electromagnetic chuck for machining rotary parts

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151007

Termination date: 20210402