CN108237375A - A kind of end face drilling technology of retarder connecting rod - Google Patents
A kind of end face drilling technology of retarder connecting rod Download PDFInfo
- Publication number
- CN108237375A CN108237375A CN201711260438.3A CN201711260438A CN108237375A CN 108237375 A CN108237375 A CN 108237375A CN 201711260438 A CN201711260438 A CN 201711260438A CN 108237375 A CN108237375 A CN 108237375A
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- Prior art keywords
- face
- connecting rod
- punching
- drilling technology
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Fishing Rods (AREA)
- Forging (AREA)
Abstract
The purpose of the present invention is a kind of end face drilling technology of retarder connecting rod, end face cheesing process steps are：(1) connection rod end surface to be punctured is subjected to oil removal treatment first, with giant connection rod end surface sprinkling sodium hydroxide solution；(2) and then by the end face of the connecting rod after end face oil removing in step 1 circle for needing to punch diameter is drawn, 3-6 pore eyelets are got in punching circle inside edge by thin head perforating rifle, then it is punched in the perforating rifle for using end-face hole diametric requirements identical from circle centre position, in punching, antioxidant is uniformly sprayed on surface, (3) connecting rod after the completion of being punched in step 2 is finally subjected to hole face finishing processing, reduce forging damage during processing, improve the quality of punching, it is handled simultaneously using finishing, the smoothness on surface can effectively be improved, extend service life, reduce repair and the frequency replaced, reduce use and processing cost.
Description
Technical field
The present invention relates to retarder processing in terms of field, the improvement being mainly concerned in terms of the end face punching of connecting rod and
Design, especially when be related to a kind of end face drilling technology of retarder connecting rod.
Background technology
In the fast development of current industrial, a large amount of uses of retarder are in industrial processes field operation, especially right
All it had been with polishing milling machine directly directly beat in the end section of connecting rod again in the past in the connecting rod processing of retarder
Hole due to the structural texture problem of the end section of connecting rod, when directly carrying out perforation processing, easily goes out at end section punching
Existing slight crack causes forging damage during processing, reduces the drilling quality of connecting rod end section, while surface is more coarse, makes
Used time abrasion is larger, largely reduces usage time, increases repair and the frequency replaced.
Therefore it provides a kind of end face drilling technology of retarder connecting rod, is carried out by the drilling method to connecting rod
It improves, first gets multigroup uniform aperture in the diameter range of the punching requirement of end section, then finally punched, energy
It is enough effectively to avoid punching diameter is excessive from edge occur and slight crack occur, forging damage during processing is reduced, improves the quality of punching,
It is handled simultaneously using finishing, can effectively improve the smoothness on surface, extend service life, reduce repair and the frequency replaced
Rate, the problem of reducing use and processing cost, just become those skilled in the art's urgent need to resolve.
Invention content
The object of the present invention is to provide a kind of end face drilling technologies of retarder connecting rod, pass through the punching to connecting rod
Method is improved, and is first got multigroup uniform aperture in the diameter range of the punching requirement of end section, is then being carried out most
Punching eventually can effectively avoid punching diameter is excessive from edge occur and slight crack occur, reduce forging damage during processing, raising is beaten
The quality in hole, while handled using finishing, the smoothness on surface can be effectively improved, extends service life, reduces repair
With the frequency of replacement, use and processing cost are reduced.
To solve technical problem described in background technology, the present invention uses following technical scheme：
A kind of end face drilling technology of retarder connecting rod, end face cheesing process steps are：
(1) connection rod end surface to be punctured is subjected to oil removal treatment first, with giant connection rod end surface sprinkling hydrogen-oxygen
Change sodium solution, while high speed rotation wiping oil removing is carried out using hairbrush；
(2) and then by the end face of the connecting rod after end face oil removing in step 1 circle for needing to punch diameter is drawn, passes through thin head
Perforating rifle punching circle inside edge get 3-6 pore eyelets, then the perforating rifle for using end-face hole diametric requirements identical from
Circle centre position punches, and is punched in punching using a small amount of multiple hole knockout, and in punching, surface is uniformly sprayed anti-oxidant
Agent, and the ph values of antioxidant are controlled 6.0 or so；
(3) connecting rod after the completion of being punched in step 2 is finally subjected to hole face finishing processing, using fine grinding stick device to hole
Face carries out 3-5 circle of polishing at a high speed.
Preferably, the concentration of sodium hydroxide solution is controlled 10-15% in the step 1.
Preferably, the antioxidant composition in the step 2 includes：698B antioxidants, passivator, polymerizer and its
His activating agent, 698B antioxidants account for 30-40%, and passivator accounts for 20-30%, and polymerizer accounts for 10-15%, and then other are lived
Property agent with foot absolutely, by processing when to surface spray antioxidant, can effectively avoid punching when temperature liter
There is the oxidation of connecting rod end face in height, improves drilling quality, oxidation material is avoided to waste.
Preferably, ratio part of the 698B antioxidants can also account for 40-45%.
Preferably, go back a small amount of titanium valve of contaminated product in the 698B antioxidants, and the content of titanium valve account for total amount 0.1-
0.3%.
Preferably, the spraying hydraulic pressure that antioxidant is sprayed in the step 2 is is controlled in 7-7.5MPa, can hindered
While only forging surface aoxidizes, and powder when can prevent the surface from processing is splash.
Preferably, a small amount of spaonin powder, and the content of spaonin powder are also contained in the sodium hydroxide solution in the step 1
Account for 1-the 3% of sodium hydroxide solution.
Preferably, when being finished in the step 3 to the hole face of connecting rod, refine the polishing rotating speed of stick for 850-
950rad/min。
Preferably, when being finished in the step 3 to the hole face of connecting rod, fine grinding stick uses can be according to hole face
Inclination angle automatically adjust angle elastic rotary fine grinding stick, can improve fine grinding stick angle accommodation.
The beneficial effects of the invention are as follows：
1) it, can effectively avoid punching diameter is excessive from edge occur and slight crack occur, reduce forging damage during processing, carry
The quality of height punching.
2) it while using finishing handles, can effectively improve the smoothness on surface, extend service life, reduce dimension
The frequency repaiied and replaced reduces use and processing cost.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, the present invention will be made into one below
Step is discussed in detail.
Embodiment 1：
A kind of end face drilling technology of retarder connecting rod, end face cheesing process steps are：
(1) connection rod end surface to be punctured is subjected to oil removal treatment first, with giant connection rod end surface sprinkling hydrogen-oxygen
Change sodium solution, while high speed rotation wiping oil removing is carried out using hairbrush；
(2) and then by the end face of the connecting rod after end face oil removing in step 1 circle for needing to punch diameter is drawn, passes through thin head
Perforating rifle gets 4 pore eyelets in punching circle inside edge, then in the perforating rifle for using end-face hole diametric requirements identical from circle
It punches at the heart, is punched in punching using a small amount of multiple hole knockout, in punching, antioxidant is uniformly sprayed on surface,
And the ph values of antioxidant are controlled 6.0 or so；
(3) connecting rod after the completion of being punched in step 2 is finally subjected to hole face finishing processing, using fine grinding stick device to hole
Face carries out 3 circle of polishing at a high speed.
Further, the concentration of sodium hydroxide solution is controlled 11% in the step 1.
Further, the antioxidant composition in the step 2 includes：698B antioxidants, passivator, polymerizer and
Other activating agents, 698B antioxidants account for 35%, and passivator accounts for 25%, and polymerizer accounts for 12%, and then other activating agents are with foot hundred
/ hundred, by spraying antioxidant to surface in processing, the temperature raising in punching can effectively be avoided to connect
Rod end surface aoxidizes, and improves drilling quality, oxidation material is avoided to waste.
Further, ratio part of the 698B antioxidants can also account for 40%.
Further, a small amount of titanium valve of contaminated product is gone back, and the content of titanium valve accounts for total amount in the 698B antioxidants
0.1%.
Further, the spraying hydraulic pressure that antioxidant is sprayed in the step 2 is is controlled in 7MPa, can prevent to forge
While part surface aoxidizes, and powder when can prevent the surface from processing is splash.
Further, also containing a small amount of spaonin powder in the sodium hydroxide solution in the step 1, and spaonin powder contains
Amount accounts for the 1% of sodium hydroxide solution.
Further, when being finished in the step 3 to the hole face of connecting rod, the polishing rotating speed for refining stick is
860rad/min。
Further, when being finished in the step 3 to the hole face of connecting rod, fine grinding stick uses can be according to hole
Face inclination angle automatically adjust angle elastic rotary fine grinding stick, can improve fine grinding stick angle accommodation.
Embodiment 2：
A kind of end face drilling technology of retarder connecting rod, end face cheesing process steps are：
(1) connection rod end surface to be punctured is subjected to oil removal treatment first, with giant connection rod end surface sprinkling hydrogen-oxygen
Change sodium solution, while high speed rotation wiping oil removing is carried out using hairbrush；
(2) and then by the end face of the connecting rod after end face oil removing in step 1 circle for needing to punch diameter is drawn, passes through thin head
Perforating rifle gets 6 pore eyelets in punching circle inside edge, then in the perforating rifle for using end-face hole diametric requirements identical from circle
It punches at the heart, is punched in punching using a small amount of multiple hole knockout, in punching, antioxidant is uniformly sprayed on surface,
And the ph values of antioxidant are controlled 6.0 or so；
(3) connecting rod after the completion of being punched in step 2 is finally subjected to hole face finishing processing, using fine grinding stick device to hole
Face carries out 5 circle of polishing at a high speed.
Further, the concentration of sodium hydroxide solution is controlled 14% in the step 1.
Further, the antioxidant composition in the step 2 includes：698B antioxidants, passivator, polymerizer and
Other activating agents, 698B antioxidants account for 40%, and passivator accounts for 20%, and polymerizer accounts for 15%, and then other activating agents are with foot hundred
/ hundred, by spraying antioxidant to surface in processing, the temperature raising in punching can effectively be avoided to connect
Rod end surface aoxidizes, and improves drilling quality, oxidation material is avoided to waste.
Further, ratio part of the 698B antioxidants can also account for 44%.
Further, a small amount of titanium valve of contaminated product is gone back, and the content of titanium valve accounts for total amount in the 698B antioxidants
0.25%.
Further, the spraying hydraulic pressure that antioxidant is sprayed in the step 2 is is controlled in 7.5MPa, can prevented
While forging surface aoxidizes, and powder when can prevent the surface from processing is splash.
Further, also containing a small amount of spaonin powder in the sodium hydroxide solution in the step 1, and spaonin powder contains
Amount accounts for the 3% of sodium hydroxide solution.
Further, when being finished in the step 3 to the hole face of connecting rod, the polishing rotating speed for refining stick is
940rad/min。
Further, when being finished in the step 3 to the hole face of connecting rod, fine grinding stick uses can be according to hole
Face inclination angle automatically adjust angle elastic rotary fine grinding stick, can improve fine grinding stick angle accommodation.
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, foregoing description is regarded as illustrative in nature, and should not be construed as will to right of the present invention
Ask the limitation of protection domain.
Claims (9)
1. a kind of end face drilling technology of retarder connecting rod, it is characterised in that：Its end face cheesing process steps is：
(1) connection rod end surface to be punctured is subjected to oil removal treatment first, with giant connection rod end surface sprinkling sodium hydroxide
Solution, while high speed rotation wiping oil removing is carried out using hairbrush；
(2) and then by the end face of the connecting rod after end face oil removing in step 1 circle for needing to punch diameter is drawn, is punched by thin head
Rifle gets 3-6 pore eyelets in punching circle inside edge, then in the perforating rifle for using end-face hole diametric requirements identical from the center of circle
Place's punching is punched in punching using a small amount of multiple hole knockout, and in punching, antioxidant is uniformly sprayed on surface, and
The ph values of antioxidant are controlled 6.0 or so；
(3) finally by step 2 punch after the completion of connecting rod carry out hole face finishing processing, using fine grinding stick to hole face into
Row at a high speed enclose by polishing 3-5.
A kind of 2. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
The concentration of sodium hydroxide solution is controlled 10-15% in rapid 1.
A kind of 3. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
Antioxidant composition in rapid 2 includes：698B antioxidants, passivator, polymerizer and other activating agents, 698B antioxidants account for
30-40%, passivator accounts for 20-30%, and polymerizer accounts for 10-15%, and then other activating agents are with foot a hundred percent.
4. the end face drilling technology of a kind of retarder connecting rod according to claim 2, which is characterized in that described
Ratio part of 698B antioxidants can also account for 40-45%.
5. the end face drilling technology of a kind of retarder connecting rod according to claim 2, which is characterized in that described
The a small amount of titanium valve of contaminated product is gone back in 698B antioxidants, and the content of titanium valve accounts for 0.1-the 0.3% of total amount.
A kind of 6. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
The spraying hydraulic pressure that antioxidant is sprayed in rapid 2 is is controlled in 7-7.5MPa.
A kind of 7. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
Also containing a small amount of spaonin powder in sodium hydroxide solution in rapid 1, and the content of spaonin powder accounts for 1-the 3% of sodium hydroxide solution.
A kind of 8. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
When being finished in rapid 3 to the hole face of connecting rod, the polishing rotating speed for refining stick is 850-950rad/min.
A kind of 9. end face drilling technology of retarder connecting rod according to claim 1, which is characterized in that the step
When being finished in rapid 3 to the hole face of connecting rod, fine grinding stick uses the angle that can automatically adjust according to hole face inclination angle
Elastic rotary fine grinding stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260438.3A CN108237375A (en) | 2017-12-04 | 2017-12-04 | A kind of end face drilling technology of retarder connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260438.3A CN108237375A (en) | 2017-12-04 | 2017-12-04 | A kind of end face drilling technology of retarder connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108237375A true CN108237375A (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711260438.3A Pending CN108237375A (en) | 2017-12-04 | 2017-12-04 | A kind of end face drilling technology of retarder connecting rod |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717239A (en) * | 2012-07-03 | 2012-10-10 | 永安市金声机械有限公司 | Method for machining connecting rod of air compressor and drilling and hinging fixture |
| CN103495847A (en) * | 2013-10-16 | 2014-01-08 | 青岛肯拉铎机械有限公司 | Connecting rod machining technique |
| CN105307396A (en) * | 2015-09-08 | 2016-02-03 | 东莞生益电子有限公司 | Preparation method for PCB with square hole |
| CN106346213A (en) * | 2016-11-18 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Mechanical processing method of large connection rod |
| CN106808169A (en) * | 2015-11-30 | 2017-06-09 | 侯霞 | A kind of process for machining of connecting rod and the method for tooling that drills and reams |
-
2017
- 2017-12-04 CN CN201711260438.3A patent/CN108237375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717239A (en) * | 2012-07-03 | 2012-10-10 | 永安市金声机械有限公司 | Method for machining connecting rod of air compressor and drilling and hinging fixture |
| CN103495847A (en) * | 2013-10-16 | 2014-01-08 | 青岛肯拉铎机械有限公司 | Connecting rod machining technique |
| CN105307396A (en) * | 2015-09-08 | 2016-02-03 | 东莞生益电子有限公司 | Preparation method for PCB with square hole |
| CN106808169A (en) * | 2015-11-30 | 2017-06-09 | 侯霞 | A kind of process for machining of connecting rod and the method for tooling that drills and reams |
| CN106346213A (en) * | 2016-11-18 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Mechanical processing method of large connection rod |
Non-Patent Citations (1)
| Title |
|---|
| 张斌: "裂解连杆长油孔加工关键技术的研究", 《机床与液压》 * |
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Application publication date: 20180703 |
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