CN111482768A - Processing technology of pre-cast stainless steel high-pressure oil pipe inside automobile hybrid moving separation shell - Google Patents
Processing technology of pre-cast stainless steel high-pressure oil pipe inside automobile hybrid moving separation shell Download PDFInfo
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- CN111482768A CN111482768A CN202010282156.9A CN202010282156A CN111482768A CN 111482768 A CN111482768 A CN 111482768A CN 202010282156 A CN202010282156 A CN 202010282156A CN 111482768 A CN111482768 A CN 111482768A
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- Prior art keywords
- stainless steel
- oil pipe
- die
- cutter
- pressure oil
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a processing technology of a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving shell, which comprises the following steps of: increase movable mould mold insert mechanism and place stainless steel high pressure fuel pipe on the mould, realize the inside precast stainless steel high pressure fuel pipe of product, the die-casting action decomposes: placing a stainless steel high-pressure oil pipe on the moving die insert → closing the slide block → closing the die → filling and die-casting → opening the slide block → taking the part by the manipulator → spraying and blowing → repeating the steps; post-processing: removing residue at a water gap of the slag ladle and performing surface shot blasting treatment; machining: phi 14.6 coating is drilled to be thick → phi 12 milling cutter is processed to be thick hole to phi 15 → phi 14.8 ball cutter is used for removing residual burrs of stainless steel. The invention comprises the following steps: the diameter of the original cutter is reduced, the milling cutter is added for layered milling, and then burrs of an orifice are removed through the ball cutter, so that the requirements of product performance and cleanliness are met.
Description
Technical Field
The invention relates to a processing technology of a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving shell.
Background
The pre-cast stainless steel high-pressure oil pipe in the automobile hybrid moving separation shell is an important channel for automobile running, oil is supplied by the oil pipe to realize the running of the automobile, if an orifice is blocked, the normal oil supply of an oil way is influenced, and the safety of an engine is influenced by the residual burrs of the orifice, so that the invention has important influence on the normal running and the safety performance of the automobile.
At present, in the actual production of the automobile hybrid moving shell, the fact that residual burrs cannot be completely removed in the machining process of an internal pre-cast stainless steel high-pressure oil pipe machine can influence the oil supply performance of a product, and meanwhile, the cleanliness cannot meet the requirement; and stainless steel ductility is good, and the stainless steel can not drop like ordinary aluminium direct cutting in the cutter course of working, and the stainless steel meets the reverse acting force of the high-speed cutting of cutter, can lead to the burr to invert, can't process and get rid of.
Disclosure of Invention
The invention aims to provide a processing technology of a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving casing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a processing technology for a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving separation shell comprises the following specific steps:
A. die casting: a movable mold insert mechanism is added on the mold, and a stainless steel high-pressure oil pipe is placed on the movable mold insert mechanism, so that the stainless steel high-pressure oil pipe is precast in the product;
a. the manipulator places a stainless steel high-pressure oil pipe on the movable mould insert: the position of the oil pipe is accurately positioned through the movable mold insert, so that the oil pipe is precast in the product, and the function of the oil pipe is realized;
b. closing the slide block: a lateral high-precision forming mechanism added on the die is used for carrying out auxiliary die assembly so as to realize the accurate forming of a complex mechanism of a product;
c. die assembly: the dynamic die, the static die and the forming auxiliary mechanism of the die are simultaneously in a closed working form of the die casting machine;
d. filling and die casting: the process that the aluminum alloy liquid metal enters the die cavity body under the action of high pressure and high speed;
e. opening the mold: the working form that the dynamic die, the static die and the forming auxiliary mechanism of the die are opened on the die-casting machine simultaneously is as follows:
f. opening the slide block: the working form that a lateral high-precision forming mechanism added on the die is opened on a die-casting machine realizes the stable forming of a product;
g. taking a piece by a manipulator: an automatic mechanical arm is used for replacing the work form of manual workpiece taking;
h. spraying and blowing: the surface of the die is sprayed in the die-casting process so as to realize an operation mode that a product is well separated from a parent body;
B. post-processing: removing residue at a water gap of the slag ladle and performing surface shot blasting treatment;
C. machining: adopting a coating drill with the diameter of 14.6 to roughen the opening of the high-pressure stainless steel oil pipe; machining a thick hole on the opening of the high-pressure stainless steel oil pipe by using a phi 12 milling cutter, and machining the diameter of the opening of the high-pressure stainless steel oil pipe to phi 15; and (3) removing residual stainless steel burrs from the high-pressure stainless steel oil pipe opening by adopting a ball cutter with the diameter of 14.8.
The invention is further improved in that: the high pressure in step d is 1000 + -50 bar and the high speed is 620 + -20 mm/s.
The invention is further improved in that: the spraying step in the step h is as follows: spraying the surface of the mold for the first time for 10s +/-2 s, blowing for 2-3 times, spraying for the second time for 10s +/-2 s, and blowing for 2-3 times.
The invention is further improved in that: in the step C, the rotation speed of the rough drilling of the coating is 6000s/min, and the feeding amount is 1800 mm/min.
The invention is further improved in that: and C, the rotating speed of the milling cutter for coarse hole drilling is 5000s/min, and the feed rate is 2000 mm/min.
The invention is further improved in that: and C, the ball cutter processing coefficient is 7000s/min, and the feed rate is 2500 mm/min.
The invention is further improved in that: the diameter of the coating drill is 14.6mm, the total length of the cutter is 140mm, the length of the cutter edge is 58mm, the orifice chamfer angle is 45 degrees, the drill point angle is 140 degrees,
the invention is further improved in that: the diameter of the milling cutter is 12mm, the cutter toughness length is 60mm, and the milling cutter is a three-edge cutter.
The invention is further improved in that: the diameter of the head of the ball cutter is 14.5mm, the total length of the cutter is 120mm, the length of a cutter bar at a cutting part is 65mm, the diameter is 12mm, the arc transition chamfer angle is 5 degrees, the cutter chamfer angle is 30 degrees, and the edge length of the ball cutter is 11.32 mm.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the diameter of the original cutter is reduced, the step of milling the milling cutter in a layering way is added, and then the burr of the hole opening is removed through the ball cutter, so that the residual burr can be completely removed, the oil supply performance of the product is not influenced, and the cleanliness requirement of the product can be met.
Drawings
FIG. 1 is a schematic view of a coated drill;
FIG. 2 is a schematic structural view of a milling cutter;
fig. 3 is a schematic structural view of the ball cutter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment provides a technical scheme: a processing technology for a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving separation shell comprises the following specific steps:
A. die casting: a movable mold insert mechanism is added on the mold, and a stainless steel high-pressure oil pipe is placed on the movable mold insert mechanism, so that the stainless steel high-pressure oil pipe is precast in the product;
a. the manipulator places a stainless steel high-pressure oil pipe on the movable mould insert: the position of the oil pipe is accurately positioned through the movable mold insert, so that the oil pipe is precast in the product, and the function of the oil pipe is realized;
b. closing the slide block: a lateral high-precision forming mechanism added on the die is used for carrying out auxiliary die assembly so as to realize the accurate forming of a complex mechanism of a product;
c. die assembly: the dynamic die, the static die and the forming auxiliary mechanism of the die are simultaneously in a closed working form of the die casting machine;
d. filling and die casting: the process that the aluminum alloy liquid metal enters the die cavity body under the action of high pressure and high speed, wherein the high pressure is 1000 +/-50 bar, and the high speed is 620 +/-20 mm/s;
e. opening the mold: the working form that the dynamic die, the static die and the forming auxiliary mechanism of the die are opened on the die-casting machine simultaneously is as follows:
f. opening the slide block: the working form that a lateral high-precision forming mechanism added on the die is opened on a die-casting machine realizes the stable forming of a product;
g. taking a piece by a manipulator: an automatic mechanical arm is used for replacing the work form of manual workpiece taking;
h. spraying and blowing: the die casting process is used for spraying the surface of a die to realize an operation mode that a product is well separated from a matrix, and the spraying comprises the following specific steps: carrying out primary spraying on the surface of the mould, wherein the primary spraying time is 10s +/-2 s, then blowing for 2-3 times, then carrying out secondary spraying, wherein the secondary spraying time is 10s +/-2 s, and finally blowing for 2-3 times;
B. post-processing: removing residue at a water gap of the slag ladle and performing surface shot blasting treatment;
C. machining: adopting a coating drill with the diameter of 14.6 in the figure 1 to perform roughing on a high-pressure stainless steel oil pipe opening, wherein the diameter of the coating drill is 14.6mm, the total length of a cutter is 140mm, the length of a cutter shank is 58mm, an orifice chamfer angle is 45 degrees, a drill point angle is 140 degrees, the rotating speed of the roughing of the coating drill is 6000s/min, and the feeding amount is 1800 mm/min; adopting a phi 12 milling cutter in the figure 2 to process and open a coarse hole on the opening of the high-pressure stainless steel oil pipe, wherein the diameter of the milling cutter is 12mm, the cutter toughness length is 60mm, the milling cutter is a three-edge cutter, the rotation speed of the milling cutter for opening the coarse hole is 5000s/min, the feed amount is 2000mm/min, and the diameter of the high-pressure stainless steel oil pipe is processed to phi 15; the stainless steel residual burr is removed from the high-pressure stainless steel oil pipe opening by adopting the ball cutter with the diameter of 14.8 in FIG. 3, the diameter of the head of the ball cutter is 14.5mm, in order to punch a pinhole and facilitate polishing, the total length of the cutter is 120mm, the length of a cutter bar at a cutting part is 65mm, the diameter is 12mm, the arc excessive chamfer angle is 5 degrees, the stress is reduced, the cutter chamfer angle is 30 degrees, the heat indentation cutter handle is convenient, the edge length of the ball cutter is 11.32mm, the ball cutter processing coefficient is 7000s/min in rotating speed, and the feed amount is 2500 mm/min.
The diameter of the coating drill is changed into phi 14.6, the step of milling by layers by a milling cutter is added, the step of removing the burrs at the orifice by a ball cutter is added, the burrs which cannot be removed originally due to good ductility of stainless steel can be removed, and the orifice is free of burrs when an endoscope is used, so that the oil supply performance of a product is not influenced, and the cleanliness requirement of the product can be met.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A processing technology for a pre-cast stainless steel high-pressure oil pipe in an automobile hybrid moving separation shell is characterized by comprising the following steps: the method comprises the following specific steps:
A. die casting: a movable mold insert mechanism is added on the mold, and a stainless steel high-pressure oil pipe is placed on the movable mold insert mechanism, so that the stainless steel high-pressure oil pipe is precast in the product;
a. the manipulator places a stainless steel high-pressure oil pipe on the movable mould insert: the position of the oil pipe is accurately positioned through the movable mold insert, so that the oil pipe is precast in the product, and the function of the oil pipe is realized;
b. closing the slide block: a lateral high-precision forming mechanism added on the die is used for carrying out auxiliary die assembly so as to realize the accurate forming of a complex mechanism of a product;
c. die assembly: the dynamic die, the static die and the forming auxiliary mechanism of the die are simultaneously in a closed working form of the die casting machine;
d. filling and die casting: the process that the aluminum alloy liquid metal enters the die cavity body under the action of high pressure and high speed;
e. opening the mold: the working form that the dynamic die, the static die and the forming auxiliary mechanism of the die are opened on the die-casting machine simultaneously is as follows:
f. opening the slide block: the working form that a lateral high-precision forming mechanism added on the die is opened on a die-casting machine realizes the stable forming of a product;
g. taking a piece by a manipulator: an automatic mechanical arm is used for replacing the work form of manual workpiece taking;
h. spraying and blowing: the surface of the die is sprayed in the die-casting process so as to realize an operation mode that a product is well separated from a parent body;
B. post-processing: removing residue at a water gap of the slag ladle and performing surface shot blasting treatment;
C. machining: adopting a coating drill with the diameter of 14.6 to roughen the opening of the high-pressure stainless steel oil pipe; machining a thick hole on the opening of the high-pressure stainless steel oil pipe by using a phi 12 milling cutter, and machining the diameter of the opening of the high-pressure stainless steel oil pipe to phi 15; and (3) removing residual stainless steel burrs from the high-pressure stainless steel oil pipe opening by adopting a ball cutter with the diameter of 14.8.
2. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: the high pressure in the step d is 1000 +/-50 bar, and the high speed is 620 +/-20 mm/s.
3. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: the spraying step in the step h is as follows: spraying the surface of the mold for the first time for 10s +/-2 s, blowing for 2-3 times, spraying for the second time for 10s +/-2 s, and blowing for 2-3 times.
4. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: and C, the rotating speed of the rough drilling of the coating in the step C is 6000s/min, and the feeding amount is 1800 mm/min.
5. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: and C, the rotating speed of the milling cutter for coarse hole drilling in the step C is 5000s/min, and the feed rate is 2000 mm/min.
6. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: and in the step C, the ball cutter processing coefficient is 7000s/min of rotation speed, and the feed rate is 2500 mm/min.
7. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: the diameter of the coating drill is 14.6mm, the total length of the cutter is 140mm, the length of the cutter shank is 58mm, the orifice chamfer angle is 45 degrees, and the drill point angle is 140 degrees.
8. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: the diameter of the milling cutter is 12mm, the cutter toughness length is 60mm, and the milling cutter is a three-edge cutter.
9. The processing technology of the pre-cast stainless steel high-pressure oil pipe inside the automobile hybrid moving shell according to claim 1, characterized in that: the diameter of the head of the ball cutter is 14.5mm, the total length of the cutter is 120mm, the length of a cutter bar at a cutting part is 65mm, the diameter is 12mm, the arc transition chamfer angle is 5 degrees, the cutter chamfer angle is 30 degrees, and the edge length of the ball cutter is 11.32 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282156.9A CN111482768A (en) | 2020-04-11 | 2020-04-11 | Processing technology of pre-cast stainless steel high-pressure oil pipe inside automobile hybrid moving separation shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010282156.9A CN111482768A (en) | 2020-04-11 | 2020-04-11 | Processing technology of pre-cast stainless steel high-pressure oil pipe inside automobile hybrid moving separation shell |
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| CN111482768A true CN111482768A (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922652A (en) * | 2020-08-25 | 2020-11-13 | 雄邦压铸（南通）有限公司 | Machining process of bearing steel sleeve of automobile motor shell |
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|---|---|---|---|---|
| US1516667A (en) * | 1917-04-20 | 1924-11-25 | Aluminum Die Casting Corp | Die for pressure casting |
| JPS60184460A (en) * | 1984-03-02 | 1985-09-19 | Daihatsu Motor Co Ltd | Method for embedding aluminum pipe by casting |
| US5111872A (en) * | 1990-02-20 | 1992-05-12 | Saturn Corporation | Transmission casing cover with tubular mechanically crimped conduit cast in situ |
| CN107537992A (en) * | 2016-06-23 | 2018-01-05 | 现代自动车株式会社 | The differential casing with insertion pipe fitting for high-pressure casting |
| CN109243794A (en) * | 2017-11-16 | 2019-01-18 | 广州擎天实业有限公司 | A kind of cast type water cooling high frequency transformer shell mechanism and its manufacturing method |
| CN109570923A (en) * | 2018-11-30 | 2019-04-05 | 雄邦压铸（南通）有限公司 | A kind of processing technology of automobile engine exhaust system heat shield mounting hole |
-
2020
- 2020-04-11 CN CN202010282156.9A patent/CN111482768A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1516667A (en) * | 1917-04-20 | 1924-11-25 | Aluminum Die Casting Corp | Die for pressure casting |
| JPS60184460A (en) * | 1984-03-02 | 1985-09-19 | Daihatsu Motor Co Ltd | Method for embedding aluminum pipe by casting |
| US5111872A (en) * | 1990-02-20 | 1992-05-12 | Saturn Corporation | Transmission casing cover with tubular mechanically crimped conduit cast in situ |
| CN107537992A (en) * | 2016-06-23 | 2018-01-05 | 现代自动车株式会社 | The differential casing with insertion pipe fitting for high-pressure casting |
| CN109243794A (en) * | 2017-11-16 | 2019-01-18 | 广州擎天实业有限公司 | A kind of cast type water cooling high frequency transformer shell mechanism and its manufacturing method |
| CN109570923A (en) * | 2018-11-30 | 2019-04-05 | 雄邦压铸（南通）有限公司 | A kind of processing technology of automobile engine exhaust system heat shield mounting hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922652A (en) * | 2020-08-25 | 2020-11-13 | 雄邦压铸（南通）有限公司 | Machining process of bearing steel sleeve of automobile motor shell |
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