CN109093512A - The processing tool and method of spring end face grinding - Google Patents

The processing tool and method of spring end face grinding Download PDF

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Publication number
CN109093512A
CN109093512A CN201811028114.1A CN201811028114A CN109093512A CN 109093512 A CN109093512 A CN 109093512A CN 201811028114 A CN201811028114 A CN 201811028114A CN 109093512 A CN109093512 A CN 109093512A
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CN
China
Prior art keywords
spring
face
down bolt
hold
bolt
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.)
Pending
Application number
CN201811028114.1A
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Chinese (zh)
Inventor
王志江
沈辉
陈晓菲
蔡晓炯
沈琦琳
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.)
Shanghai Institute of Space Propulsion
Original Assignee
Shanghai Institute of Space Propulsion
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 Shanghai Institute of Space Propulsion filed Critical Shanghai Institute of Space Propulsion
Priority to CN201811028114.1A priority Critical patent/CN109093512A/en
Publication of CN109093512A publication Critical patent/CN109093512A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes

Abstract

The present invention provides the processing tools and method of a kind of grinding of spring end face, wherein supporting plate (1) is connect with workbench;Pedestal (2) is connect by T-block (7) and the second bolt (8) with the supporting plate (1) of T-slot structure;Upper cover plate (5) is connect with pedestal (2) by the first bolt (4);Spring is placed in the V-groove of pedestal (2), Set and Positioning is carried out by circular arc pressing plate (3) by longitudinal hold-down bolt (6), meanwhile transverse jig positioning is carried out by end surface press plate (9) by lateral hold-down bolt (10).Realize the straight-line feed of spring, by rotation hand wheel to carry out grinding close to abrasive wheel end face.The present invention breaches the processing technology difficulty of both ends of the spring face grinding.The final verticality requirement and beneficial effect of the roughness value less than 1.6 for guaranteeing spring end face relative to axis 0.05mm.

Description

The processing tool and method of spring end face grinding
Technical field
The present invention relates to toolings, and in particular, to the processing tool and method of spring end face grinding.
Background technique
Valve is as the mechanical device for flowing or adjusting flow parameter in each model system of space flight for controlling fluid.It is led Wanting function is to open and stop the flowing of fluid.Only there are two states for valve, open or close.Wherein, spring is in valve spool of valve The important function that unlatching, reset, closing are played in the structures such as component is widely present in all kinds of valve mechanisms: such as: electromagnetism Valve, latching valve, pressure reducing valve plus valve, safety valve etc..
Spring has one of pincers worker process after coiling, cutting, heat treatment, is mainly used for refining both ends of the surface, guarantees spring force And verticality.Spring force is bigger than normal, valve opening time lag.Verticality is unsatisfactory for requiring, and there are spool jams, valve tightness It can not the hidden danger up to standard that valve invalidations be waited.By taking safety valve as an example, once occur spring failure, local influence be not can guarantee and When pressure release or guarantee in time close;It is the excessively high harm system safety of vent pressure on upper level influence, closes hypotony and cause Pressurization gas excessive loss;Final harm system safety, gas excessive loss.Therefore, the processing in both ends of the spring face just seems outstanding It is important.
Existing both ends of the spring face processing is it is difficult to ensure that the spring force of spring and the stability of verticality.Usually operator The hand-held spring of member, is ground close to grinding wheel, and spring sizes that such processing method obtains, geometric tolerance be unstable, qualification rate It is low.Meanwhile such processing method process-cycle length, low efficiency, personnel requirement are high.
Tooling of the invention can solve the above problem using easy to operate, and at present on the market without such processing side Method.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of processing tool of spring end face grinding and sides Method.
The processing tool of a kind of spring end face grinding provided according to the present invention, comprising: supporting plate 1, pedestal 2, circular arc pressing plate 3, the first bolt 4, upper cover plate 5, longitudinal hold-down bolt 6, T-block 7, the second bolt 8, end face briquetting 9 and lateral hold-down bolt 10;
Between supporting plate 1 and pedestal 2, connected by T-block 7 and the second bolt 8;
It is connected between upper cover plate 5 and pedestal 2 by the first bolt 4;
The V-groove of pedestal 2 constitutes spring accommodation space, and the spring in spring accommodation space can be by longitudinally compressing spiral shell Bolt 6 carries out Set and Positioning by circular arc pressing plate 3, and carries out transverse jig by end surface press plate 9 by lateral hold-down bolt 10 and determine Position.
Preferably, longitudinal 6 end of hold-down bolt is hemisphere face, and contacting with circular arc pressing plate 3 is point contact.
A kind of processing method of spring end face grinding provided according to the present invention, the processing being ground using above-mentioned spring end face Tooling, two end faces including being directed to spring, the following steps processed:
Step A, it enables supporting plate 1 be threadedly coupled with stone platform, it is little to tune up both supporting plate 1 and stone face verticality In the first given threshold;
Step B, spring is placed in the V-groove of pedestal 2, tunes up spring end face and the verticality in stone face is little In the second given threshold;Longitudinal Set and Positioning of spring is carried out by circular arc pressing plate 3 by longitudinal hold-down bolt 6, meanwhile, by transverse direction Hold-down bolt 10 carries out the transverse jig positioning of spring by end surface press plate 9;
Step C, the straight-line feed that the handwheel on supporting plate 1 realizes spring is rotated, one lattice of every rotation feed set distance, to lean on Nearly abrasive wheel end face carries out grinding, and controls single side stock removal, guarantees spring end face verticality;
Step D, lateral hold-down bolt 10 and longitudinal hold-down bolt 6 are unscrewed, spring is taken out.
Preferably, realize that the straight-line feed of spring, one lattice of every rotation feed 0.01mm by the handwheel on rotation supporting plate 1, To carry out grinding close to abrasive wheel end face, and guarantee that spring one end face is ground 0.12~0.15mm of removal amount;Complete spring one After the grinding of end face, longitudinal hold-down bolt 6 and lateral hold-down bolt 10 are unscrewed, spring is taken out, 180 degree is rotated, installs and be ground Spring another side, and guarantee that spring end face is ground 0.12~0.15mm of removal amount.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention breaches the processing technology difficulty of both ends of the spring face grinding.It is final to guarantee spring end face relative to axis The verticality of 0.05mm requires and beneficial effect of the roughness value less than 1.6.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structure chart of the processing tool of spring end face provided by the invention grinding.
Fig. 2 is the structure chart of the processing tool of spring end face provided by the invention grinding.
Fig. 3 is the structure chart of the processing tool of spring end face provided by the invention grinding.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.
The technical problem to be solved by the present invention is in the process of the prior art it is difficult to ensure that the spring force of spring With the stability of verticality, the problem that spring sizes, geometric tolerance are unstable, qualification rate is low, personnel requirement is high.The present invention provides A kind of processing method of spring end face grinding, selects 45 steel as the material of structural member, heat treatment makes its hardness in preference Reach HRC35-40, and carries out the antirust treatment that turns blue.
It as shown in Figure 1, Figure 2, Figure 3 shows, is a kind of principle assumption diagram of the processing method of spring end face grinding of the present invention.The work Dress selects material of 45 steel as structural member, and heat treatment makes its hardness reach 35-40HRC, and carries out the antirust treatment that turns blue.The work Dress is mainly made of following part: supporting plate 1, pedestal 2, circular arc pressing plate 3, the first bolt 4, upper cover plate 5, longitudinal hold-down bolt 6, T Type block 7, the second bolt 8, end face briquetting 9 and lateral hold-down bolt 10.Firstly, supporting plate 1 is installed on the workbench, bolt is used It is fixed;Pedestal 2 is connect by T-block 7 and the second bolt 8 with supporting plate 1, and tunes up the V-groove and abrasive wheel end face verticality of pedestal 2 No more than 0.02mm;Upper cover plate 5 is connect with pedestal 2 by the first bolt 4;Spring is placed in the V-groove of pedestal 2, by indulging Set and Positioning is carried out by circular arc pressing plate 3 to hold-down bolt 6, meanwhile, cross is carried out by end surface press plate 9 by lateral hold-down bolt 10 To Set and Positioning.The straight-line feed of spring is realized by the handwheel on rotation supporting plate 1, one lattice of every rotation feed 0.01mm, to lean on Nearly abrasive wheel end face carries out grinding, and guarantees that spring one end face is ground 0.12~0.15mm of removal amount.Complete spring one end face Grinding after, unscrew longitudinal hold-down bolt 6 and lateral hold-down bolt 10, take out spring, rotate 180 degree, install and be ground spring Another side, and guarantee that spring end face is ground 0.12~0.15mm of removal amount.It is final to guarantee spring effective length and its spring force.It will The arc radius of circular arc pressing plate 3 is slightly larger than the outer diameter of clamping spring.Longitudinal 6 end of hold-down bolt is hemisphere face, with circular arc pressing plate 3 Contact be point contact, be conducive to discharge freedom degree, realize spring clamping to neutrality.
Its specific process is as follows:
Step 1, supporting plate 1 are threadedly coupled with stone platform, are tuned up both supporting plate 1 and stone face verticality and are not more than 0.02mm;Pedestal 2 is connect by T-block 7 and the second bolt 8 with the supporting plate 1 of T-slot structure;Upper cover plate 5 and pedestal 2 pass through the The connection of one bolt 4;
Spring is placed in the V-groove of pedestal 2 by step 2, tunes up spring end face and the verticality in stone face is little In 0.02mm.Set and Positioning is carried out by circular arc pressing plate 3 by longitudinal hold-down bolt 6, meanwhile, end is passed through by lateral hold-down bolt 10 Face pressure plate 9 carries out transverse jig positioning.
Handwheel in step 3, rotation supporting plate 1 realizes the straight-line feed of spring, and one lattice of every rotation feed 0.01mm, with close Abrasive wheel end face carries out grinding, and controls single side stock removal, guarantees spring end face verticality.
Step 4 unscrews lateral hold-down bolt 10 and longitudinal hold-down bolt 6, spring is taken out, by spring other end close to sand Wheel installation, repeats step 2 and step 3.
Step 5, the processing for completing spring end face grinding.
The present invention breaches the processing technology difficulty of both ends of the spring face grinding.It is final to guarantee spring end face relative to axis The verticality of 0.05mm requires and beneficial effect of the roughness value less than 1.6.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (4)

1. a kind of processing tool of spring end face grinding characterized by comprising supporting plate (1), pedestal (2), circular arc pressing plate (3), First bolt (4), upper cover plate (5), longitudinal hold-down bolt (6), T-block (7), the second bolt (8), end face briquetting (9) and cross To hold-down bolt (10);
Between supporting plate (1) and pedestal (2), connected by T-block (7) and the second bolt (8);
It is connect between upper cover plate (5) and pedestal (2) by the first bolt (4);
The V-groove of pedestal (2) constitutes spring accommodation space, and the spring in spring accommodation space can be by longitudinal hold-down bolt (6) Set and Positioning is carried out by circular arc pressing plate (3), and is carried out laterally by lateral hold-down bolt (10) by end surface press plate (9) Set and Positioning.
2. the processing tool of spring end face grinding according to claim 1, which is characterized in that longitudinal hold-down bolt (6) end Portion is hemisphere face, and contacting with circular arc pressing plate (3) is point contact.
3. a kind of processing method of spring end face grinding, which is characterized in that be ground using as claimed in claim 1 or 22 spring end faces Processing tool, including be directed to spring two end faces, the following steps processed:
Step A, it enables supporting plate (1) be threadedly coupled with stone platform, it is little to tune up both supporting plate (1) and stone face verticality In the first given threshold;
Step B, spring is placed in the V-groove of pedestal (2), tunes up spring end face and the verticality in stone face is not more than Second given threshold;Longitudinal Set and Positioning of spring is carried out by circular arc pressing plate (3) by longitudinal hold-down bolt (6), meanwhile, by cross The transverse jig positioning of spring is carried out by end surface press plate (9) to hold-down bolt (10);
Step C, the straight-line feed that the handwheel on supporting plate (1) realizes spring is rotated, one lattice of every rotation feed set distance, with close Abrasive wheel end face carries out grinding, and controls single side stock removal, guarantees spring end face verticality;
Step D, lateral hold-down bolt (10) and longitudinal hold-down bolt (6) are unscrewed, spring is taken out.
4. the processing method of spring end face grinding according to claim 3, which is characterized in that by rotation supporting plate (1) Handwheel realize the straight-line feed of spring, every rotation lattice feed 0.01mm, and to protect close to abrasive wheel end face progress grinding It demonstrate,proves spring one end face and is ground 0.12~0.15mm of removal amount;After the grinding for completing spring one end face, longitudinal hold-down bolt (6) are unscrewed With lateral hold-down bolt (10), spring is taken out, 180 degree is rotated, installs and be ground spring another side, and guarantees that spring end face is ground 0.12~0.15mm of removal amount.
CN201811028114.1A 2018-09-04 2018-09-04 The processing tool and method of spring end face grinding Pending CN109093512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811028114.1A CN109093512A (en) 2018-09-04 2018-09-04 The processing tool and method of spring end face grinding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811028114.1A CN109093512A (en) 2018-09-04 2018-09-04 The processing tool and method of spring end face grinding

Publications (1)

Publication Number Publication Date
CN109093512A true CN109093512A (en) 2018-12-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007175806A (en) * 2005-12-27 2007-07-12 Asahi-Seiki Mfg Co Ltd Coil spring chamfering machine
US20090212476A1 (en) * 2008-02-21 2009-08-27 Renton Coil Spring Co. Compression springs and methods of making same
CN204450212U (en) * 2015-02-04 2015-07-08 重庆工商职业学院 For the feed mechanism of spring end face grinding attachment
CN204450115U (en) * 2015-02-04 2015-07-08 重庆工商职业学院 Spring end face grinding attachment
CN205129459U (en) * 2015-12-01 2016-04-06 辽宁工业大学 A frock for shock absorber piston rod end face milling
CN206748106U (en) * 2017-01-06 2017-12-15 华纬科技股份有限公司 A kind of spring end face mill apparatus
CN208945778U (en) * 2018-06-29 2019-06-07 上海空间推进研究所 A kind of spring end face grinding fixture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007175806A (en) * 2005-12-27 2007-07-12 Asahi-Seiki Mfg Co Ltd Coil spring chamfering machine
US20090212476A1 (en) * 2008-02-21 2009-08-27 Renton Coil Spring Co. Compression springs and methods of making same
CN204450212U (en) * 2015-02-04 2015-07-08 重庆工商职业学院 For the feed mechanism of spring end face grinding attachment
CN204450115U (en) * 2015-02-04 2015-07-08 重庆工商职业学院 Spring end face grinding attachment
CN205129459U (en) * 2015-12-01 2016-04-06 辽宁工业大学 A frock for shock absorber piston rod end face milling
CN206748106U (en) * 2017-01-06 2017-12-15 华纬科技股份有限公司 A kind of spring end face mill apparatus
CN208945778U (en) * 2018-06-29 2019-06-07 上海空间推进研究所 A kind of spring end face grinding fixture

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
北京工业学院精密机械教研室: "《北京工业学院精机械教研室编.精密机械设计基础》", 31 January 1981 *
诸文俊: "《机械设计基础》", 31 October 1998 *

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Application publication date: 20181228

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