CN105252288A - Numerical control turning fixture for annular sealing groove of rear-jacking type gas or liquid valve body - Google Patents
Numerical control turning fixture for annular sealing groove of rear-jacking type gas or liquid valve body Download PDFInfo
- Publication number
- CN105252288A CN105252288A CN201510732427.5A CN201510732427A CN105252288A CN 105252288 A CN105252288 A CN 105252288A CN 201510732427 A CN201510732427 A CN 201510732427A CN 105252288 A CN105252288 A CN 105252288A
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- Prior art keywords
- valve body
- groove
- hole
- numerical control
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a numerical control turning fixture for an annular sealing groove of a rear-jacking type gas or liquid valve body. The numerical control turning fixture comprises a fixing block, a rear-jacking component and a front cover plate. The front cover plate is attached to the front end face of the fixing block through a bolt in a fastened manner. A clamping groove with the profile corresponding to the profile of the valve body to be machined is formed in the fixing block. A through hole is formed in the front cover plate. The area of the through hole is smaller than that of a clamping opening of the clamping groove. The rear-jacking component comprises a rear seat and a jacking column. The rear seat is arranged on the surface of the fixing block through a bolt. A through hole is formed in the rear seat. The jacking column is driven by a propulsion unit to move. The numerical control turning fixture has the beneficial effects that the feature that a grinding machine is high in grinding finish degree is used, grinding treatment is conducted on the four faces of a valve body workpiece through a flat grinding machine, the degree of finish of the four faces is increased, and the consistency of the four faces is improved; meanwhile, the requirement for perpendicularity of threaded holes in the end face of the annular sealing face of the workpiece, the machined annular sealing groove and an oil (gas) hole is guaranteed through the fixture; and meanwhile, the depth requirement of the annular sealing groove or the annular sealing step face is guaranteed very easily, machining efficiency is improved, and machining accuracy is guaranteed.
Description
Technical field
The present invention relates to field of machining, particularly relate to a kind of rear top formula gas or liquid valve body annular seal groove numerical control turning jig.
Background technology
In the prior art: 1. lathe is with four paws centering and clamping workpiece, outer surface of workpiece easily blocks wound, time-consuming, though end face and annular groove can under knife-band, large end face fineness good not as the mill sequence of grinding machine processing (car sequence fineness is lower than mill sequence processing fineness).
2. by the valve body that upper sequence is processed, to process the large end face of annular groove for benchmark, by surface grinding machine grinder part annular groove opposite side face, then with honed opposite side face for benchmark, on plain grinding, grinding belt has the large end face of annular groove, and does not stop to measure groove depth to meet groove depth requirement.
Summary of the invention
For above-mentioned shortcoming and defect of the prior art, the present invention will make use of the highly polished feature of grinding machine mill sequence, by valve body workpiece four sides first by flat grinding machine process, improve fineness and the uniformity at four sides, ensure that workpiece circular sealing surface end face and the flank perpendicularity in the annular seal groove (or ring-shaped step sealing surface) processed and oil-through hole require and the depth requirements of ring seal groove or ring packing step surface by this jig simultaneously.
The object of the present invention is to provide a kind of rear top formula gas or liquid valve body annular seal groove numerical control turning jig.
The object of the invention is to be achieved through the following technical solutions:
Top formula gas or liquid valve body annular seal groove numerical control turning jig after a kind of, comprise fixed block, rear header member and front shroud, front shroud is fastened by bolts laminating and is arranged on the front end face of fixed block, described fixed block has the draw-in groove corresponding to valve body profile to be processed, described front shroud has through hole, described via area is less than the bayonet socket area of described draw-in groove, described rear header member comprises back seat and fore-set, described back seat is arranged on the surface of fixed block by bolt, described back seat has and moves and the through hole be communicated with draw-in groove for fore-set, described fore-set is driven to move by propulsion plant.
Preferably, described propulsion plant is the bolt that head has smooth cone, described back seat is provided with vertical screwed hole, described screwed hole is communicated with the through hole for fore-set movement, the cylinder of fore-set is opened the taper hole corresponding to described bolt head cone tapering, is inserted or exit taper hole by cone and drive fore-set to move.
Preferably, described propulsion plant can be electric pushrod, leading screw or hydraulic cylinder, the piston rod end of the push rod end of described electric pushrod, the screw rod end of leading screw or hydraulic cylinder is inserted in the through hole for fore-set movement, is moved by electric pushrod, leading screw or Driven by Hydraulic Cylinder fore-set.
Preferably, the block of described fixed block has the crossing screwed hole through with described groove, in described crossing screwed hole, be equipped with the bolt of threaded engagement mutual with it, by the screw-in of described bolt with screw out location and clamp valve body to be processed.
Preferably, also comprise backing plate, the part be communicated with draw-in groove at the through hole for fore-set movement has stepped hole, and described backing plate is positioned at described stepped hole, and described fore-set props up described backing plate and moves.
Preferably, the end face that described fore-set props up backing plate has circular arc spherical surface.
Preferably, also comprise pickup groove, described pickup groove is protrude by the edge of draw-in groove the groove formed from inside to outside, and described slot opening both sides have stop section, and described stop section prevents valve body to be processed from entering in pickup groove.
Preferably, to install positioning reference plane vertical in 0.01mm for front end face and the workpiece valve body of described fixed block.
Preferably, described pickup groove is two, and two described pickup grooves are opened respectively in draw-in groove both sides of the edge in opposite directions.
Compared with prior art, the embodiment of the present invention at least has the following advantages:
The present invention will make use of the highly polished feature of grinding machine mill sequence, by valve body workpiece four sides first by flat grinding machine process, improve fineness and the uniformity at four sides, ensure that workpiece circular sealing surface end face and the flank perpendicularity in the annular seal groove (or ring-shaped step sealing surface) processed and oil-through hole require and the degree of depth (changing parameter by the numerically controlled lathe) requirement of ring seal groove or ring packing step surface by this jig simultaneously.Drastically increase efficiency, also ensure that the machining accuracy of workpiece simultaneously dexterously.
Accompanying drawing explanation
Fig. 1 is the structural representation pushing up formula gas or liquid valve body annular seal groove numerical control turning jig after the present invention;
Fig. 2 is the structural representation of the rear header member pushing up formula gas or liquid valve body annular seal groove numerical control turning jig after the present invention;
Fig. 3 is the plan structure schematic diagram of a kind of embodiment of the fixed block pushing up formula gas or liquid valve body annular seal groove numerical control turning jig after the present invention;
Fig. 4 is the structural representation of the fore-set pushing up formula gas or liquid valve body annular seal groove numerical control turning jig after the present invention.
Detailed description of the invention
Below in conjunction with embodiment and Fig. 1-Fig. 4 thereof, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Top formula gas or liquid valve body annular seal groove numerical control turning jig after a kind of, comprise fixed block 1, rear header member and front shroud 2, front shroud 2 is arranged in the end face surface of centering (within 0.01mm) of fixed block 1 by bolt laminating, described fixed block 1 comprises and gas to be processed or the liquid valve body corresponding draw-in groove 9 (matched in clearance is+0.03 ~+0.05, also suitably can adjust according to element precision) of outline such as (like parts).Described front shroud 2 is processed with the through hole be in communication with the outside for described valve body (and like parts) annular seal groove (or face), described via area is less than the bayonet socket area of described draw-in groove 9, front shroud 2 inner face can be made to block workpiece to exact position when fore-set 5 withstands backing plate 8 after workpiece, this hole is greater than processed cannelure maximum diameter simultaneously, so that cutter passes through smoothly and is worked into required size; Described rear header member comprises back seat 3 and fore-set 5, and described back seat 3 is arranged on the rear surface of fixed block 1 by bolt laminating, described back seat 3 has and moves horizontally and the through hole be communicated with draw-in groove 9 for fore-set 5, drive described fore-set 5 to move forward by propulsion plant.
Described propulsion plant is the bolt 4 that an end has smooth cone, described back seat 3 has corresponding vertical screwed hole, described screwed hole is communicated with the through hole for fore-set 5 movement, moveable fore-set 5 is opened the taper hole 10 consistent with described liftout bolt 4 end-cone body tapering, inserting or exit taper hole 10 by the cone of bolt 4 end drives cone post to move forward, thus workpiece is accurately located.
The block of described fixed block 1 has and to become 90 degree of crossing crossing screwed holes with the conducting of described draw-in groove 9 two (or groups), the bolt of threaded engagement mutual with it is equipped with in described crossing screwed hole, by the screw-in of bolt with screw out fixing or decontrol valve body to be processed, accurately navigate on two mutual vertical reference faces.
Also comprise backing plate 8, have stepped hole 11 in the through hole front for fore-set 5 movement, described backing plate 8 is positioned at described stepped hole 11, described fore-set 5 one end has circular arc spherical surface, this end props up described backing plate 8 and moves forward, and backing plate 8 is steel alloy Quenching Treatment, hardness high wear resistance.
Also comprise pickup groove 7, described pickup groove 7 is that described slot opening both sides have stop section 6 by the outwardly groove formed in the edge of draw-in groove 9, and described stop section 6 prevents valve body to be processed from entering in pickup groove 7.
Described pickup groove 7 is two, and two described pickup grooves 7 are opened respectively in draw-in groove 9 both sides of the edge in opposite directions.
The operation instruction of rear top formula gas or liquid valve body annular seal groove numerical control turning jig:
To put into valve body (or like parts) to be processed in the draw-in groove 9 of fixed block 1 → be bolted on by front shroud 2 fixed block 1 upper surface → rotation and be assemblied in bolt 4 on rear header member, along with the screw-in of bolt 4, the cone of bolt 4 end is inserted in the taper hole 10 on fore-set 5 gradually, therebetween the cooperation of taper seat make fore-set 5 move forward → fore-set 5 when moving forward by the circular arc spherical surface jack-up of its end face by the backing plate 8 propped up, backing plate 8 moves and the valve body in jack-up front, bolt fixed block 1 assembled until fit completely → screw in valve body end face to be processed and front shroud 2 rear surface, hold out against valve body, prevent its face to be processed that workpiece variation → lathe tool stretches into valve body by the through hole on upper cover plate 2 in processing rotary course from carrying out turning operation → completion of processing, lay down front shroud 2, screw out the bolt of assembling on fixed block 1, the valve body taking out completion of processing in two pickup grooves 7 is extend into by thumb with other arbitrary fingers.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. push up formula gas or liquid valve body annular seal groove numerical control turning jig after one kind, it is characterized in that, comprise fixed block, rear header member and front shroud, front shroud is fastened by bolts laminating and is arranged on the front end face of fixed block, described fixed block has the draw-in groove corresponding to valve body profile to be processed, described front shroud has through hole, described via area is less than the bayonet socket area of described draw-in groove, described rear header member comprises back seat and fore-set, described back seat is arranged on the surface of fixed block by bolt, described back seat has and moves and the through hole be communicated with draw-in groove for fore-set, described fore-set is driven to move by propulsion plant.
2. rear top formula gas according to claim 1 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, described propulsion plant is the bolt that head has smooth cone, described back seat is provided with vertical screwed hole, described screwed hole is communicated with the through hole for fore-set movement, the cylinder of fore-set is opened the corresponding taper hole consistent to described bolt head cone tapering, is inserted or exit taper hole by cone and drive fore-set to move.
3. rear top formula gas according to claim 1 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, described propulsion plant is electric pushrod, leading screw or hydraulic cylinder, the piston rod end of the push rod end of described electric pushrod, the screw rod end of leading screw or hydraulic cylinder is inserted in the through hole for fore-set movement, is moved by electric pushrod, leading screw or Driven by Hydraulic Cylinder fore-set.
4. rear top formula gas according to claim 1 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, the block of described fixed block has the crossing screwed hole through with described draw-in groove, the bolt of threaded engagement mutual with it is equipped with, by the screw-in of described bolt with screw out location and clamp valve body to be processed in described crossing screwed hole.
5. rear top formula gas according to claim 2 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, also comprise backing plate, the part be communicated with draw-in groove at the through hole for fore-set movement has stepped hole, described backing plate is positioned at described stepped hole, and described fore-set props up described backing plate and moves.
6. rear top formula gas according to claim 5 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, the end face that described fore-set props up backing plate has circular arc spherical surface.
7. according to the arbitrary described rear top formula gas of claim 1-6 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, also comprise pickup groove, described pickup groove is protrude by the edge of draw-in groove the groove formed from inside to outside, described slot opening both sides have stop section, and described stop section prevents valve body to be processed from entering in pickup groove.
8. rear top formula gas according to claim 7 or liquid valve body annular seal groove numerical control turning jig, is characterized in that, it is vertical in 0.01mm that front end face and the workpiece valve body of described fixed block install positioning reference plane.
9. rear top formula gas according to claim 7 or liquid valve body annular seal groove numerical control turning jig, it is characterized in that, described pickup groove is two, and two described pickup grooves are opened respectively in draw-in groove both sides of the edge in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732427.5A CN105252288B (en) | 2015-11-02 | 2015-11-02 | Formula gas or liquid valve body annular seal groove numerical control turning fixture are pushed up afterwards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732427.5A CN105252288B (en) | 2015-11-02 | 2015-11-02 | Formula gas or liquid valve body annular seal groove numerical control turning fixture are pushed up afterwards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105252288A true CN105252288A (en) | 2016-01-20 |
| CN105252288B CN105252288B (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732427.5A Active CN105252288B (en) | 2015-11-02 | 2015-11-02 | Formula gas or liquid valve body annular seal groove numerical control turning fixture are pushed up afterwards |
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| Country | Link |
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| CN (1) | CN105252288B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274812A (en) * | 2019-07-04 | 2019-09-24 | 中国科学院武汉岩土力学研究所 | Concrete structure surface sample preparation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005042205A1 (en) * | 2003-10-31 | 2005-05-12 | Fine Ace Technology Co. Ltd | Apparatus for tool rotation of automatic tool changer |
| CN201684930U (en) * | 2010-05-25 | 2010-12-29 | 上海东方泵业(集团)有限公司 | Automatic expansion center device |
| CN202224975U (en) * | 2011-08-29 | 2012-05-23 | 阜新涵宇机械制造有限公司 | Clamp for processing multiple valve body holes |
| CN202240616U (en) * | 2011-08-25 | 2012-05-30 | 中山铁王流体控制设备有限公司 | Multi-position valve body processing jig |
| CN102990379A (en) * | 2012-10-30 | 2013-03-27 | 无锡明珠增压器制造有限公司 | Movable lathe clamp for door cover face |
| CN103302526A (en) * | 2013-03-06 | 2013-09-18 | 高东阀门有限公司 | Fixture for processing of gate plate guide groove of forged steel gate valve |
-
2015
- 2015-11-02 CN CN201510732427.5A patent/CN105252288B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005042205A1 (en) * | 2003-10-31 | 2005-05-12 | Fine Ace Technology Co. Ltd | Apparatus for tool rotation of automatic tool changer |
| CN201684930U (en) * | 2010-05-25 | 2010-12-29 | 上海东方泵业(集团)有限公司 | Automatic expansion center device |
| CN202240616U (en) * | 2011-08-25 | 2012-05-30 | 中山铁王流体控制设备有限公司 | Multi-position valve body processing jig |
| CN202224975U (en) * | 2011-08-29 | 2012-05-23 | 阜新涵宇机械制造有限公司 | Clamp for processing multiple valve body holes |
| CN102990379A (en) * | 2012-10-30 | 2013-03-27 | 无锡明珠增压器制造有限公司 | Movable lathe clamp for door cover face |
| CN103302526A (en) * | 2013-03-06 | 2013-09-18 | 高东阀门有限公司 | Fixture for processing of gate plate guide groove of forged steel gate valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274812A (en) * | 2019-07-04 | 2019-09-24 | 中国科学院武汉岩土力学研究所 | Concrete structure surface sample preparation device |
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| Publication number | Publication date |
|---|---|
| CN105252288B (en) | 2017-11-14 |
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