CN201792230U - Fixture for draw bar - Google Patents

Fixture for draw bar Download PDF

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Publication number
CN201792230U
CN201792230U CN2010205295726U CN201020529572U CN201792230U CN 201792230 U CN201792230 U CN 201792230U CN 2010205295726 U CN2010205295726 U CN 2010205295726U CN 201020529572 U CN201020529572 U CN 201020529572U CN 201792230 U CN201792230 U CN 201792230U
Authority
CN
China
Prior art keywords
draw bar
cylindrical shape
shape support
anchor clamps
pedestal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205295726U
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Chinese (zh)
Inventor
孙玉军
高卫东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNR Datong Electric Locomotive Co Ltd
Original Assignee
CNR Datong Electric Locomotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNR Datong Electric Locomotive Co Ltd filed Critical CNR Datong Electric Locomotive Co Ltd
Priority to CN2010205295726U priority Critical patent/CN201792230U/en
Application granted granted Critical
Publication of CN201792230U publication Critical patent/CN201792230U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a fixture for a draw bar. The fixture comprises a bottom plate, two cylindrical supports, a detachable first compression structure and circle center clamping structures, wherein the two cylindrical supports are arranged on the bottom plate, and two inner holes of the two cylindrical supports are in one-to-one correspondence with two inner holes of an end socket of the draw bar; the detachable first compression structure is arranged on the bottom plate, is positioned between the two cylindrical supports and forms a clamping space for clamping a bar body of the draw bar with the two cylindrical supports; and the circle center clamping structures are detachably connected with the bottom plate and are arranged at the circle center position of each cylindrical support. The fixture for the draw bar can meet various clamping requirements in draw bar machining and is convenient and rapid to align, so that the machining efficiency of the draw bar is greatly improved and the manufacturing cost is reduced.

Description

The draw bar anchor clamps
Technical field
The utility model relates to field of machining, more specifically, relates to a kind of draw bar anchor clamps.
Background technology
Along with socioeconomic continuous development and progress, quantitative requirement to electric locomotive is increasing, the draw bar of locomotive as the electric locomotive traction device vitals, play a part to connect car body and bogie, the shape of draw bar 9 is referring to shown in Figure 5, comprise the termination 90 at two ends and the shaft 92 that is connected two ends, wherein each termination is provided with endoporus 91.
The draw bar of prior art is generally at first by the panel beating moulding, also need to mill then each termination of draw bar the upper and lower end face, mill the profile of whole draw bar and the endoporus of termination carried out processing such as bore hole and chamfering.Traditional draw bar processing technology is rule-mill upper and lower plane-line-bore hole and chamfering-mill profile, in this process engineering, needs to drop into many lathes of realizing different machining functions, and needs the multiple clamping centering, and working (machining) efficiency is low, takes time and effort.Along with Digit Control Machine Tool is widely used in the machining factory building, utilizing Digit Control Machine Tool that draw bar is processed can reduce effectively in the conversion time of draw bar between individual different lathes, but be not fit to be applied to the draw bar anchor clamps on the Digit Control Machine Tool in the prior art, the clamping complexity of draw bar, still exist clamping speed slow, influence the working (machining) efficiency of draw bar, make that the manufacturing cost of draw bar is higher.
The utility model content
The utility model aims to provide a kind of draw bar anchor clamps, makes the convenient mounting and clamping of draw bar, saves the clamping time of draw bar.
According to an aspect of the present utility model, a kind of draw bar anchor clamps are provided, comprising: base plate; Two cylindrical shape support members are arranged on the base plate, and two endoporus of two cylindrical shape support members are corresponding one by one with two endoporus of draw bar termination; Dismountable first compressing structure is installed on the base plate and between two cylindrical shape support members, forms the grasping part of clamping draw bar shafts with two cylindrical shape support members; And, with the center of circle clamping structure that base plate removably connects, be arranged on the home position of each cylindrical shape support member.
Further, first compressing structure comprises: first pedestal of spill, be fixed on the base plate; Two first pressing plates are overlapped on respectively on the openend of first pedestal, and the end that compresses of two first pressing plates is oppositely arranged; With corresponding first connecting bolt of each first pressing plate and first clamp nut, wherein, the bolt head of first connecting bolt is the T type, is connected in the T type locating slot of concave bottom of first pedestal, and its end of thread is spirally connected with first clamp nut after passing through hole on first pressing plate.
Further, center of circle clamping structure comprises: two ends all have the threaded rod of thread segment, and one end and base plate are spirally connected; Be the center pressure arm of center radiation shape, be set on the threaded rod, form the grasping part that is fit to clamping draw bar termination with the cylindrical shape support member; Locking nut is screwed onto the other end of threaded rod.
Further, the outside of each cylindrical shape support member is provided with dismountable second compressing structure, and second compressing structure comprises: be second pedestal of bending shape, its first bending part is fixed on the base plate; Second pressing plate is overlapped on second bending part of second pedestal, and it compresses end and has the structure that is fit to chucking outer, draw bar termination; Second connecting bolt, its bolt head is the T type, is connected in the T type locating slot of first bending part of second pedestal, and its end of thread is spirally connected with second clamp nut after passing through hole on second pressing plate.
Further, the outside of each cylindrical shape support member all is provided with one second compressing structure, and two second compressing structures all are arranged on the circle center line connecting of two cylindrical shape support members.
Further, the bearing of trend of the concave bottom of first pedestal is perpendicular to the circle center line connecting of two cylindrical shape support members; The position of corresponding draw bar shaft also is provided with Height Adjustable supporting construction on the concave bottom of first pedestal.
Further, supporting construction is a carrying bolt, is spirally connected with the concave bottom of first pedestal.
Further, each cylindrical shape support member all offers chip-removal hole.
Further, the diameter of bore of two cylindrical shape support members is all greater than the diameter of bore of draw bar termination.
Further, base plate is provided with the location structure that matches with the workbench of Digit Control Machine Tool, and the lifting screwed hole that is used to lift.
According to the technical solution of the utility model, because adopted base plate; Base plate is provided with and two endoporus of draw bar termination, two cylindrical shape support members one to one; Be arranged on dismountable first compressing structure on the floor, be used for clamping draw bar shaft; And, the center of circle clamping structure that removably connects with base plate, be arranged on the home position of each cylindrical shape support member, when draw bar is added man-hour, by in base plate installation or removal first compressing structure or center of circle clamp mechanism, the clamping demand in the time of can realizing the different processing technology of draw bar, simplified the clamping flow process of draw bar, can improve the clamping efficient of draw bar effectively, reach and shorten the draw bar manufacturing procedure, reduce the effect of the manufacturing cost of draw bar.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structure of first kind of user mode of draw bar anchor clamps of the present utility model;
Fig. 2 has schematically shown the structure of second kind of user mode of draw bar anchor clamps of the present utility model;
Fig. 3 has schematically shown the structure of the third user mode of draw bar anchor clamps of the present utility model;
Fig. 4 has schematically shown the overall structure of draw bar anchor clamps of the present utility model;
Fig. 5 has schematically shown the draw bar structure of prior art.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Referring to Fig. 1 to Fig. 4, show structure according to draw bar anchor clamps of the present utility model, as shown in the figure, these draw bar anchor clamps comprise: base plate 1, two cylindrical shape support members 2, first compressing structure 3 and center of circle clamping structures 4.
Wherein, base plate 1 is fixed on the Digit Control Machine Tool (for example being numerical control vertical milling lathe) by clamping.Preferably, the bottom surface that base plate 1 matches with the workbench of Digit Control Machine Tool is provided with location structure 7, so that base plate 1 is in place rapidly on workbench, this location structure 7 for example is locating slot or positioning key.In addition, change anchor clamps, on base plate, also be provided with two screwed holes 8 further and be used for the lifting use for ease of Digit Control Machine Tool.
Two cylindrical shape support members 2 are fixedly installed on the base plate 1, and two endoporus 21 of two cylindrical shape support members 2 are corresponding one by one with two endoporus 91 of draw bar 1 termination.The distance of center circle of the i.e. big or small basically identical of the endoporus 21 of two cylindrical shape support members 2 and two endoporus 91 of draw bar termination 90, and the endoporus 21 of two cylindrical shape support members 2 on base plate 1 and the distance of center circle basically identical of two endoporus 91 of draw bar termination 90.This cylindrical shape support member 2 plays the effect of support on the one hand to draw bar 9, make draw bar only contact with the support end face of cylindrical shape support member, guarantee machining accuracy easily, on the other hand, the endoporus 21 of cylindrical shape support member 2 is corresponding with the endoporus 91 of draw bar termination 90, when draw bar 9 is installed, draw bar 9 is placed on the support end face of cylindrical shape support member 2, only the endoporus of need assurance draw bar 9 and cylindrical shape support member 2 aligns one by one and can realize the accurate location of draw bar, convenient to the draw bar centering, to guarantee the machining accuracy of draw bar 9.Preferably, all offering chip-removal hole 22 at each cylindrical shape support member 2, is the square opening shown in the figure for example, is used to add clear up steel man-hour and cut, and avoiding scrap to pile with influences crudies in the cylindrical shape support member 2.
Dismountable first compressing structure 3 is installed on the base plate 1 and between two cylindrical shape support members 2, forms the grasping part of clamping draw bar shafts 92 with two cylindrical shape support members 2.Because the thickness of the termination, two ends 90 of draw bar 9 is greater than the thickness at middle shaft 92 positions, when draw bar 9 is positioned on the cylindrical shape support member 2, clamp draw bar shaft 92 with first compressing structure 3, just can on 90 bases, termination that do not influence draw bar 9, clamp, thereby can mill the upper and lower end face of draw bar termination draw bar.
A kind of preferred implementation of first compressing structure 3 has been shown among Fig. 1, as shown in the figure, has comprised: first pedestal 31 of spill, its concave bottom for example are fixed on the base plate 1 by the mode of welding; Two first pressing plates 32 are overlapped on respectively on the openend of first pedestal 31, and the end that compresses of two first pressing plates 32 is oppositely arranged, and have the structure that is fit to chucking draw bar shaft 92 respectively; With each first pressing plate, 32 corresponding first connecting bolt 33 and first clamp nut 34, wherein, the bolt head of first connecting bolt 33 is the T type, be connected in the T type locating slot 311 of concave bottom of first pedestal, its end of thread is spirally connected with first clamp nut 34 after passing through hole on first pressing plate 32.When draw bar 9 was supported on the cylindrical shape support member 2, the end that compresses of two first pressing plates 32 was pressed together on the not ipsilateral of draw bar shaft 92, and draw bar 9 is realized clamping action.As can be seen from Figure, preferably, the bearing of trend of the concave bottom of first pedestal 31 is perpendicular to the circle center line connecting of two cylindrical shape support members, so that draw bar 9 stress equalizations.
Be out of shape for avoiding the stressed generation in draw bar shaft 92 middle parts to bend, the position of corresponding draw bar shaft 92 also is provided with Height Adjustable supporting construction (not shown) further on the concave bottom of first pedestal 31.Preferably, this supporting construction is a carrying bolt, is spirally connected with the concave bottom of first pedestal 31, realizes the purpose that bearing height can be regulated.
Draw bar anchor clamps with above-mentioned cylindrical shape support member 2 and first compressing structure 3, can satisfy the clamping demand of draw bar 9 following processing technologys: the one, can be under the clamping of first compressing structure 3, the two ends end face 90 of draw bar 9 is milled flat processing, the 2nd, can carry out bore hole and chamfer machining to the endoporus 91 of the two ends 90 of draw bar.Because of the endoporus 21 of cylindrical shape support member 2 corresponding one by one with endoporus 91 positions of draw bar 9, and size about equally, so draw bar termination endoporus 91 is being added man-hour,, thereby is saving process time with the endoporus of termination endoporus and cylindrical shape support member alignment centering machining center easily.Preferably, endoporus 21 diameters of two cylindrical shape support members 2 all are slightly larger than endoporus 91 diameters of draw bar termination 90, with under the demand of the bore hole processing that does not influence the draw bar endoporus, do not influence the centering of draw bar 9 again.
Referring to Fig. 2, also be provided with the center of circle clamping structure 4 that removably connects with base plate 1 at the home position of each cylindrical shape support member 2.By the cooperation of center of circle clamping structure 4 and cylindrical shape support member 2, draw bar 9 can be fixedly clamped, satisfy the clamping demand that the periphery of draw bar 9 is processed.As can be seen from Figure, as long as the wall thickness of cylindrical shape support member satisfies the support effect of draw bar, for not influencing the periphery processing to draw bar, the wall thickness of cylindrical shape support member 2 obviously is less than the wall thickness of draw bar termination 90.
There is shown a kind of preferred structure of center of circle clamping structure 4, as shown in the figure, comprising: two ends all have the threaded rod 41 of thread segment, and one end and base plate 1 are spirally connected, and the screw that is spirally connected is positioned at the endoporus center of circle of cylindrical shape support member 2; The center pressure arm 42 that is center radiation shape, be set on the threaded rod 41, form the grasping part that is fit to clamping draw bar termination 90 with cylindrical shape support member 2, among the figure as can be seen the center pressure arm have three equally distributed pressure arms for 42 one-tenth, with to the draw bar termination 90 even application of forces; Locking nut 43 is screwed onto the other end of threaded rod 41.
In addition, when avoiding that draw bar 9 carried out bore hole and endoporus chamfer machining, draw bar 9 twists or misplaces, position in base plate 1 corresponding circle cylindrical supports 2 outsides also is provided with dismountable second compressing structure 5, and dismountable second compressing structure 5 and cylindrical shape support member 2 match and clamp the termination 90 of draw bar.Draw bar endoporus 91 is being added man-hour, and second compressing structure 5 and first compressing structure 3 match, and form the reliable grip to draw bar 9.
A kind of preferred implementation of second compressing structure 5 has been shown among Fig. 3, as shown in the figure, has comprised: be second pedestal 51 of bending shape, its first bending part 511 is fixed on the base plate 1; Second pressing plate 52 is overlapped on second bending part 512 of second pedestal 51, and it compresses end and has the structure that is fit to chucking 90 outers, draw bar termination; Second connecting bolt 53, its bolt head is the T type, is connected in the T type locating slot of first bending part 511 of second pedestal 51, and its end of thread is spirally connected with second clamp nut 54 after passing through hole on second pressing plate 52.Preferably, second compressing structure 5 all is arranged on the circle center line connecting of two cylindrical shape support members 2, so that draw bar 9 is stressed even.
The process to draw bar of Digit Control Machine Tool that draw bar anchor clamps of the present utility model are installed is for example as described below:
1) at first utilize lifting device that draw bar 9 is lifted on these anchor clamps, the bottom surface of draw bar blank is abutted on the supporting surface of cylindrical shape support member 2, and operating personnel can roughly align with the endoporus 21 of cylindrical shape support member with the endoporus 91 that the mode that hand is surveyed is adjusted draw bar and get final product.
2) regulate the height of carrying bolt, make the bolt head of carrying bolt be adjacent to workpiece, then with first compressing structure 3 compress the end workpiece pressing, turn first clamp nut 34 then draw bar 9 closely be fixedly clamped, as Fig. 1.So just can process a side end face of draw bar termination.
3) after the upper surface of draw bar 9 machines, first compressing structure 3 is unclamped, the same centering in draw bar 9 counter-rotating backs is fixedly clamped, with the opposite side end face of processing draw bar termination.
4) after the both sides end face of draw bar termination 90 machines, fix to clamp workpiece after being mounted to center of circle compressing structure 4 on the base plate 1, then first compressing structure 3 is unclamped, as Fig. 2, the part of first compressing structure 3 that disassembles is placed other positions, so just can process the periphery of draw bar 9.
5) after the periphery of draw bar 9 machines first compressing structure 3 and second compressing structure 5 all are mounted on the base plate 1, be fixed draw bar 9, then center of circle compressing structure 4 is unclamped and take away, just can carry out bore hole and chamfer machining, as Fig. 3 to the endoporus of draw bar.
In sum, the draw bar anchor clamps that the utility model provides, by with base plate that Digit Control Machine Tool cooperates on the cylindrical shape support member be installed be used for draw bar is supported and is convenient to centering, a plurality of compressing structures are equipped with and, in different processing technologys, use different compressing structures, can be easy to setup, centering, draw bar is quick, be fixedly clamped exactly, the processing centralization, a large amount of time and labour have been saved, reduce working strength of workers and number, greatly enhance productivity and quality, draw bar is gone up smoothly produced in batches to satisfy the production demand of locomotive.And these draw bar anchor clamps have simple in structure, easy to make, the advantage that cost is low.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. draw bar anchor clamps is characterized in that, comprising:
Base plate (1);
Two cylindrical shape support members (2) are arranged on the described base plate (1), and two endoporus (21) of described two cylindrical shape support members (2) are corresponding one by one with two endoporus (91) of described draw bar (9) termination;
Dismountable first compressing structure (3) is installed in described base plate (1) and goes up and be positioned between described two cylindrical shape support members (2), forms the grasping part of the described draw bar shafts of clamping (92) with described two cylindrical shape support members (2); And,
With the center of circle clamping structure (4) that described base plate (1) removably connects, be arranged on the home position of each described cylindrical shape support member (2).
2. draw bar anchor clamps according to claim 1 is characterized in that, described first compressing structure (3) comprising:
First pedestal (31) of spill is fixed on the described base plate (1);
Two first pressing plates (32) are overlapped on respectively on the openend of described first pedestal (31), and the end that compresses of described two first pressing plates (32) is oppositely arranged;
With each corresponding first connecting bolt of described first pressing plate (32) (33) and first clamp nut (34), wherein, the bolt head of described first connecting bolt (33) is the T type, be connected in the T type locating slot (311) of concave bottom of described first pedestal (31), its end of thread is spirally connected with described first clamp nut (34) after passing through hole on described first pressing plate.
3. draw bar anchor clamps according to claim 2 is characterized in that, described center of circle clamping structure comprises:
Two ends all have the threaded rod (41) of thread segment, and one end and described base plate (1) are spirally connected;
The center pressure arm (42) that is center radiation shape is set on the described threaded rod (41), forms the grasping part that is fit to the described draw bar of clamping (9) termination with described cylindrical shape support member (2);
Locking nut (43) is screwed onto the other end of described threaded rod (41).
4. draw bar anchor clamps according to claim 3 is characterized in that, the outside of each described cylindrical shape support member (2) is provided with dismountable second compressing structure (5),
Described second compressing structure comprises:
Second pedestal (51) that is bending shape, its first bending part (511) is fixed on the described base plate (1);
Second pressing plate (52) is overlapped on second bending part (512) of described second pedestal, and it compresses end and has the structure that is fit to chucking outer, described draw bar termination;
Second connecting bolt (53), its bolt head is the T type, is connected in the T type locating slot of first bending part of described second pedestal, and its end of thread is spirally connected with second clamp nut (54) after passing through hole on described second pressing plate.
5. draw bar anchor clamps according to claim 4, it is characterized in that, the outside of each described cylindrical shape support member (2) all is provided with described second compressing structure (5), and described two second compressing structures all are arranged on the circle center line connecting of described two cylindrical shape support members.
6. draw bar anchor clamps according to claim 5 is characterized in that, the bearing of trend of the concave bottom of described first pedestal (31) is perpendicular to the circle center line connecting of described two cylindrical shape support members; The position of corresponding described draw bar shaft also is provided with Height Adjustable supporting construction (6) on the concave bottom of described first pedestal.
7. draw bar anchor clamps according to claim 6 is characterized in that, described supporting construction (6) is a carrying bolt, are spirally connected with the concave bottom of described first pedestal.
8. draw bar anchor clamps according to claim 1 is characterized in that, each described cylindrical shape support member (2) all offers chip-removal hole (22).
9. draw bar anchor clamps according to claim 1 is characterized in that, the diameter of bore of described two cylindrical shape support members (2) is all greater than the diameter of bore of described draw bar termination.
10. draw bar anchor clamps according to claim 1 is characterized in that, described base plate (1) is provided with the location structure (7) that matches with the workbench of Digit Control Machine Tool, and the lifting screwed hole (8) that is used to lift.
CN2010205295726U 2010-09-14 2010-09-14 Fixture for draw bar Expired - Fee Related CN201792230U (en)

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CN2010205295726U CN201792230U (en) 2010-09-14 2010-09-14 Fixture for draw bar

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Application Number Priority Date Filing Date Title
CN2010205295726U CN201792230U (en) 2010-09-14 2010-09-14 Fixture for draw bar

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615525A (en) * 2012-04-10 2012-08-01 常熟市平冶机械有限公司 Fixture for realizing quick clamping
CN102896517A (en) * 2011-07-29 2013-01-30 吴江市和喜机械有限公司 Fixture for machining workpiece holes
CN102922497A (en) * 2012-10-09 2013-02-13 中船澄西船舶修造有限公司 Auxiliary machine connecting rod repair workbench
CN102990423A (en) * 2012-12-13 2013-03-27 江苏万富安机械有限公司 Pitch positioning tool for multi-hole workpiece
CN103551879A (en) * 2013-11-12 2014-02-05 南京工业职业技术学院 Mobile type pressure plate for end face clamping and clamping device
CN103639740A (en) * 2013-11-08 2014-03-19 吴中区木渎蒯斌模具加工厂 Deformation-proof clamp used for fixing and supporting thin-walled workpiece
CN103639777A (en) * 2013-11-28 2014-03-19 无锡市航鹄科技有限公司 High-precision hole-milling positioning tool
CN103769901A (en) * 2012-10-23 2014-05-07 中国北车集团大同电力机车有限责任公司 Locating device and locating method for part boring
CN104057327A (en) * 2013-03-18 2014-09-24 成都振中电气有限公司 Limiting device for drilling of distribution box plates
CN105290844A (en) * 2015-11-30 2016-02-03 中国北车集团大同电力机车有限责任公司 Special clamp for two-process machining of draw bar
CN106624889A (en) * 2016-12-16 2017-05-10 韩进 Automobile engine cylinder head milling fixture
CN108115441A (en) * 2017-12-30 2018-06-05 天津市维丹科技有限责任公司 A kind of valve deck end face processing fixing device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102896517A (en) * 2011-07-29 2013-01-30 吴江市和喜机械有限公司 Fixture for machining workpiece holes
CN102896517B (en) * 2011-07-29 2015-09-02 吴江市和喜机械有限公司 A kind of fixture for processing work hole
CN102615525A (en) * 2012-04-10 2012-08-01 常熟市平冶机械有限公司 Fixture for realizing quick clamping
CN102922497A (en) * 2012-10-09 2013-02-13 中船澄西船舶修造有限公司 Auxiliary machine connecting rod repair workbench
CN102922497B (en) * 2012-10-09 2015-08-26 中船澄西船舶修造有限公司 Subsidiary engine connecting rod mechanic station
CN103769901B (en) * 2012-10-23 2016-10-12 中车大同电力机车有限公司 Part borehole positioning apparatus and localization method
CN103769901A (en) * 2012-10-23 2014-05-07 中国北车集团大同电力机车有限责任公司 Locating device and locating method for part boring
CN102990423A (en) * 2012-12-13 2013-03-27 江苏万富安机械有限公司 Pitch positioning tool for multi-hole workpiece
CN104057327A (en) * 2013-03-18 2014-09-24 成都振中电气有限公司 Limiting device for drilling of distribution box plates
CN103639740A (en) * 2013-11-08 2014-03-19 吴中区木渎蒯斌模具加工厂 Deformation-proof clamp used for fixing and supporting thin-walled workpiece
CN103551879A (en) * 2013-11-12 2014-02-05 南京工业职业技术学院 Mobile type pressure plate for end face clamping and clamping device
CN103639777A (en) * 2013-11-28 2014-03-19 无锡市航鹄科技有限公司 High-precision hole-milling positioning tool
CN105290844A (en) * 2015-11-30 2016-02-03 中国北车集团大同电力机车有限责任公司 Special clamp for two-process machining of draw bar
CN106624889A (en) * 2016-12-16 2017-05-10 韩进 Automobile engine cylinder head milling fixture
CN108115441A (en) * 2017-12-30 2018-06-05 天津市维丹科技有限责任公司 A kind of valve deck end face processing fixing device

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Granted publication date: 20110413

Termination date: 20150914