CN108637609B - A kind of moulding process of engine hydraulic brake pipe - Google Patents
A kind of moulding process of engine hydraulic brake pipe Download PDFInfo
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- CN108637609B CN108637609B CN201810498576.3A CN201810498576A CN108637609B CN 108637609 B CN108637609 B CN 108637609B CN 201810498576 A CN201810498576 A CN 201810498576A CN 108637609 B CN108637609 B CN 108637609B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000000465 moulding Methods 0.000 title claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000007747 plating Methods 0.000 claims abstract description 7
- 239000011265 semifinished product Substances 0.000 claims description 144
- 238000005498 polishing Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009713 electroplating Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003908 quality control method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005266 casting Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of moulding process of engine hydraulic brake pipe, include the following steps: blanking, corase grinding, rounded corner, necking, fine grinding, inner hole processing and drying, pier, pier tube head, the right step of pier, bending, inspection, heat treatment and plating.The present invention has the characteristics that simple process, finished appearance are beautiful, product quality controllability is high, high yield rate.
Description
Technical field
The present invention relates to the manufacture processing technique field of pipe fitting, more particularly to a kind of engine hydraulic brake pipe at
Type technique.
Background technique
Engine hydraulic brake pipe must be especially used in engine manufacture in automobile fitting field.Due to hair
The structure of motivation itself, thus define hydraulic braking oil pipe be it is a kind of with boss, intermediate have step, angled knot
Structure.Hydraulic braking oil pipe general at present is as made of tough iron Mechanical processing of casting, and concrete technology is: syphon shape die model is first opened,
Then metal apperance is manufactured, foundry casting again is required later when its structure size meets production, rough casting is subjected to sand removal, hair
The processes such as thorn processing, machining can just be made into finished product.This method is complicated with manufacture, production efficiency is low, equipment investment is big,
The disadvantages of at high cost.Modern society's energy-saving and emission-reduction and light-weighted trend are not met.
Summary of the invention
A kind of molding work of the object of the present invention is to provide manufacturing costs low, environmental-friendly engine hydraulic brake pipe
Skill, to solve the above-mentioned problems of the prior art.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of moulding process of engine hydraulic brake pipe, characterized by the following steps:
Blanking: being cut into pre-set dimension for tubing, obtains blank tubing；
Corase grinding: blank tubing outer circle is roughly ground to pre-set dimension, the first semi-finished product tubing is obtained；
Rounded corner: by equal rounded corner inside and outside the both ends nozzle of the first semi-finished product tubing, the second semi-finished product tubing is obtained；
Necking: one end of the second semi-finished product tubing is squeezed as necking, third semi-finished product tubing is obtained；
Fine grinding: by the fine grinding cylinder of third semi-finished product tubing to pre-set dimension, the 4th semi-finished product tubing is obtained；
Inner hole processing and drying: the sundries inside the 4th semi-finished product inner hole of pipe of cleaning, and the 4th semi-finished product tubing is dried,
Obtain the 5th semi-finished product tubing；
Pier: pier on the 5th semi-finished product tubing is gone out into the first lug boss, obtains the 6th semi-finished product tubing；
Pier tube head: one end pier of the 6th not set necking of semi-finished product tubing is gone out into the second lug boss, obtains the 7th semi-finished product
Tubing；
The right step of pier: one end pier by the 7th semi-finished product tubing close to necking goes out third protrusion portion, obtains the 8th semi-finished product
Tubing；
Bending: the tubing between the first lug boss and third protrusion portion of the 8th semi-finished product tubing is bent into out preset angle
Degree, obtains the 9th semi-finished product tubing；
It examines: the part of defect existing for the 9th semi-finished product tubing is separated, under the 9th qualified semi-finished product tubing enters
Procedure；
Heat treatment: the 9th semi-finished product tubing is subjected to vacuum normalizing heat treatment, obtains the tenth semi-finished product tubing；
Plating: carrying out electroplating processes for the surfaces externally and internally of the tenth semi-finished product tubing and end face, obtains engine liquid compacting
Dynamic oil pipe.
Preferably, further include getting packaging ready after plating step, black marking pen is used on engine hydraulic brake pipe
It carries out getting label ready, the engine hydraulic brake pipe marked is then subjected to packaging vanning.
Preferably, in blanking step, tubing is cut into blank tubing using full-automatic pipe cutting machine.
Preferably, in rough grinding step, blank tubing is transported at automatic corase grinding feed inlet, feeder can be by blank tubing
It automated exchanged cutter and is roughly ground in self-feeding to centreless grinding machine external；In precision grinding step, third semi-finished product tubing is transported to automatically
It refines at feed inlet, feeder by automated exchanged cutter in third semi-finished product tubing self-feeding to centreless grinding machine external and can refine.
Preferably, in rounded corner step, the first semi-finished product tubing is transported at the feed inlet of automatic chamfering machine, is fallen automatically
The feeder of angle machine can be by the first semi-finished product tubing self-feeding to instrument lathe enterprising luggage folder and tubing both ends of the surface and interior
The processing of outer circle rounded corner.
Preferably, in necking step, the second semi-finished product tubing is transported at automatic rolling machine inlet, feeder can incite somebody to action
Automated exchanged cutter and end extrusion forming is carried out in second semi-finished product tubing self-feeding to roller press.
Preferably, inner hole processing and baking step in, by the 4th semi-finished product tubing be transported in automatic vibration polishing machine into
Row timing automatic vibration polishing treatment, automatic vibration rotates automatic vibration polishing machine after actuation, and small steel ball can be automatically into the
Pass through vibration friction pipe material inner wall in the inner hole of four semi-finished product tubing；Dryer in automatic vibration polishing machine can to the 4th half at
Quality control material carries out drying and processing.
Preferably, in pier step, by the 5th semi-finished product tubing clamping into the first mold, pier press is automatically the 5th half
Finished product tubing presses down, and the 5th semi-finished product tubing is expressed under the hydraulic external force of pier press the shaping mould of the first mold
In, squeeze out the first lug boss；In pier tube head step, by the 6th semi-finished product tubing clamping into the second mold, pier press is automatic
6th semi-finished product tubing is pressed down, the 6th semi-finished product tubing is expressed to the second mold under the hydraulic external force of pier press
Shaping mould in, squeeze out the second lug boss；In the right step step of pier, by the 7th semi-finished product tubing clamping into third mold,
Pier press automatically presses down the 7th semi-finished product tubing, the 7th semi-finished product tube extrusion under the hydraulic external force of pier press
To in the shaping mould of third mold, third protrusion portion is squeezed out.
Preferably, in bending step, the 8th semi-finished product tubing is transported to bending machine side, manually by the 8th semi-finished product tubing
On clamping to bender, then start bending machine and bending processing carried out automatically to the 8th semi-finished product tubing, when clamping cannot clip to
First lug boss, the second lug boss and third protrusion guarantee yield rate；In checking procedure, the defect packet of the 9th semi-finished product tubing
Include that dimension overproof, closing in is bad, chamfering is damaged, appearance is damaged, is recessed, crackle.
Preferably, in heat treatment step, the temperature of vacuum normalizing heat treatment is 890 DEG C~920 DEG C, and furnace temperature reaches 890 DEG C
1~2 minute is kept the temperature after~920 DEG C, then the 9th semi-finished product tubing is come out of the stove natural cooling in air.
The present invention achieves following technical effect compared with the existing technology: the present invention only need to be by seamless steel pipe according to above-mentioned system
Making technique processing can be obtained satisfactory engine hydraulic brake pipe, for traditional casting technique, this hair
The bright carbon emission that cost saved engine hydraulic brake pipe manufacturing process shortens the integer technique of oil pipe.The present invention
Have the characteristics that simple process, finished appearance are beautiful, product quality controllability is high, high yield rate.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic cross-sectional view of blank tubing；
Fig. 2 is the nozzle schematic cross-sectional view of the second semi-finished product tubing；
Fig. 3 is the schematic cross-sectional view of third semi-finished product tubing；
Fig. 4 is the schematic cross-sectional view of the 6th semi-finished product tubing；
Fig. 5 is the schematic cross-sectional view of the 7th semi-finished product tubing；
Fig. 6 is the schematic cross-sectional view of the 8th semi-finished product tubing；
Fig. 7 is the schematic cross-sectional view of the 9th semi-finished product tubing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
A kind of molding work of the object of the present invention is to provide manufacturing costs low, environmental-friendly engine hydraulic brake pipe
Skill, to solve the above-mentioned problems of the prior art.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Fig. 1-Fig. 7: present embodiments providing a kind of moulding process of engine hydraulic brake pipe, feature exists
In: include the following steps:
Blanking: being cut into pre-set dimension for tubing, obtains blank tubing, as shown in Figure 1；Full-automatic Pipe Cutting specifically can be used
Tubing is cut into blank tubing by machine, and tubing is chosen as seam-less carbon steel pipe.
Corase grinding: blank tubing outer circle being roughly ground to pre-set dimension, the first semi-finished product tubing is obtained, specifically can be by blank tubing
It is transported at automatic corase grinding feed inlet, feeder can be by automated exchanged cutter in blank tubing self-feeding to centreless grinding machine external and thick
Mill.Corase grinding is mainly used for removing blank tubing surface corrosion, and improves the cylindricity and surface roughness of blank tubing, after corase grinding
Surface roughness Ra should be not less than 6.3.
Rounded corner: by equal rounded corner inside and outside the both ends nozzle of the first semi-finished product tubing, obtaining the second semi-finished product tubing, such as schemes
Shown in 2；The first semi-finished product tubing can be specifically transported at the feed inlet of automatic chamfering machine, the feeder of automatic chamfering machine can incite somebody to action
Processing of the first semi-finished product tubing self-feeding to the enterprising luggage folder of instrument lathe and tubing both ends of the surface and inside and outside circle rounded corner.
Necking: one end of the second semi-finished product tubing is squeezed as necking, obtains third semi-finished product tubing, as shown in Figure 3；Tool
Second semi-finished product tubing can be transported at automatic rolling machine inlet by body, and feeder can be by the second semi-finished product tubing self-feeding
Automated exchanged cutter and end extrusion forming is carried out on to roller press.
Fine grinding: by the fine grinding cylinder of third semi-finished product tubing to pre-set dimension, the 4th semi-finished product tubing is obtained；It can specifically incite somebody to action
Third semi-finished product tubing is transported at automatic fine grinding feed inlet, and feeder can be outer to not being in the mood for by third semi-finished product tubing self-feeding
Justify automated exchanged cutter on grinding machine and refines.The cylindricity and surface roughness for further increasing third semi-finished product tubing are refined,
1.6 should be not less than by refining rear surface roughness Ra.
Inner hole processing and drying: the sundries inside the 4th semi-finished product inner hole of pipe of cleaning, and the 4th semi-finished product tubing is dried,
Obtain the 5th semi-finished product tubing；The 4th semi-finished product tubing can be specifically transported in automatic vibration polishing machine and be timed automatic shake
Dynamic polishing treatment, automatic vibration rotates automatic vibration polishing machine after actuation, and (diameter of small steel ball is much smaller than the 4th half to small steel ball
The internal diameter of finished product tubing) the 4th can be handled automatically into vibration friction pipe material inner wall is passed through in the inner hole of the 4th semi-finished product tubing
Sundries processing on semi-finished product pipe material inner wall；Due to being required to pour in above-mentioned blanking, corase grinding, rounded corner, necking and precision grinding step
Coolant liquid, dryer in automatic vibration polishing machine can to the moisture and coolant liquid speckled on the 4th semi-finished product tubing inside and outside wall into
Row drying and processing.
Pier: pier on the 5th semi-finished product tubing is gone out into the first lug boss, obtains the 6th semi-finished product tubing, as shown in Figure 4；Tool
5th semi-finished product tubing can be transported to pier press side and clamping into the first mold by body, and pier press is automatically the 5th semifinished tube
Material presses down, and the 5th semi-finished product tubing is expressed in the shaping mould of the first mold under the hydraulic external force of pier press, squeezes
Extrude the first lug boss.
Pier tube head: one end pier of the 6th not set necking of semi-finished product tubing is gone out into the second lug boss, obtains the 7th semi-finished product
Tubing, as shown in Figure 5；Specifically can be by the 6th semi-finished product tubing clamping into the second mold, pier press is automatically the 6th semi-finished product
Tubing presses down, and the 6th semi-finished product tubing is expressed in the shaping mould of the second mold under the hydraulic external force of pier press,
Squeeze out the second lug boss.
The right step of pier: one end pier by the 7th semi-finished product tubing close to necking goes out third protrusion portion, obtains the 8th semi-finished product
Tubing, as shown in Figure 6；Specifically can be by the 7th semi-finished product tubing clamping into third mold, pier press is automatically the 7th semi-finished product
Tubing presses down, and the 7th semi-finished product tubing is expressed in the shaping mould of third mold under the hydraulic external force of pier press,
Squeeze out third protrusion portion.
Bending: the tubing between the first lug boss and third protrusion portion of the 8th semi-finished product tubing is bent into out preset angle
Degree, obtains the 9th semi-finished product tubing, as shown in fig. 7, bending angle is usually 90 °, but also bent according to demand is other angles
Degree；Specifically the 8th semi-finished product tubing can be transported to bending machine side, manually by the 8th semi-finished product tubing clamping to bender, so
Starting bending machine carries out bending processing to the 8th semi-finished product tubing automatically afterwards, and when clamping cannot clip to the first lug boss, second convex
Portion and third protrusion are played, guarantees yield rate.
It examines: the part of defect existing for the 9th semi-finished product tubing is separated, under the 9th qualified semi-finished product tubing enters
Procedure；The defect of 9th semi-finished product tubing includes dimension overproof, closing in is bad, chamfering is damaged, appearance is damaged, is recessed, crackle
Deng.
Heat treatment: the 9th semi-finished product tubing is subjected to vacuum normalizing heat treatment, obtains the tenth semi-finished product tubing；Vacuum normalizing
The temperature of heat treatment is 890 DEG C~920 DEG C, and furnace temperature keeps the temperature 1~2 minute after reaching 890 DEG C~920 DEG C, then the 9th semi-finished product
Tubing is come out of the stove natural cooling in air.Vacuum normalizing heat treatment can eliminate tubing in necking, pier, pier tube head, Dun Youtai
The internal stress generated in rank and bending step, so that plasticity, toughness and the fatigue strength of the 9th semi-finished product tubing are restored to more preferably
State, and can make the 9th semi-finished product tubing keep surface it is non-discolouring, do not aoxidize, without decarburization, without carburizing, can also remove workpiece table
The phosphorus in face is considered to be worth doing, and has the effect of degreasing degasification, ensure that the comprehensive performance of tubing.
Plating: carrying out electroplating processes for the surfaces externally and internally of the tenth semi-finished product tubing and end face, obtains engine liquid compacting
Dynamic oil pipe；Chromium plating or copper facing are generallyd use, the engine hydraulic brake pipe obtained after electroplating processes not only surface aesthetic also rises
To metal oxidation (as corroded) is prevented, wearability, electric conductivity, reflective, corrosion resistance (sulfuric acid copper corrosion etc.) etc. are improved
Effect.
It gets packaging ready: being carried out getting label ready with black marking pen on engine hydraulic brake pipe, then will be marked
Engine hydraulic brake pipe carry out packaging vanning.
The techniques such as the blanking, rounded corner, necking, inner hole processing and drying of the present embodiment are automated in process of production
Processing, reduces the labor intensity of worker, improves throughput rate.For traditional casting technique, the present invention is significantly
Ground saves carbon emission, shortens the integer technique of oil pipe.The moulding process of the engine hydraulic brake pipe of the present embodiment has
There is the features such as simple process, finished appearance are beautiful, product quality controllability is high, high yield rate, is applicable not only to engine hydraulic
The processing of brake pipe is equally applicable to the processing of other tubing parts with boss.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of moulding process of engine hydraulic brake pipe, characterized by the following steps:
Blanking: being cut into pre-set dimension for tubing, obtains blank tubing；
Corase grinding: blank tubing outer circle is roughly ground to pre-set dimension, the first semi-finished product tubing is obtained；
Rounded corner: by equal rounded corner inside and outside the both ends nozzle of the first semi-finished product tubing, the second semi-finished product tubing is obtained；
Necking: one end of the second semi-finished product tubing is squeezed as necking, third semi-finished product tubing is obtained；
Fine grinding: by the fine grinding cylinder of third semi-finished product tubing to pre-set dimension, the 4th semi-finished product tubing is obtained；
Inner hole processing and drying: the sundries inside the 4th semi-finished product inner hole of pipe of cleaning, and the 4th semi-finished product tubing is dried, it obtains
5th semi-finished product tubing；
Pier: pier on the 5th semi-finished product tubing is gone out into the first lug boss, obtains the 6th semi-finished product tubing；
Pier tube head: one end pier of the 6th not set necking of semi-finished product tubing is gone out into the second lug boss, obtains the 7th semi-finished product tubing；
The right step of pier: one end pier by the 7th semi-finished product tubing close to necking goes out third protrusion portion, obtains the 8th semi-finished product tubing；
Bending: bending out preset angle for the tubing between the first lug boss and third protrusion portion of the 8th semi-finished product tubing,
Obtain the 9th semi-finished product tubing；
Examine: by the separation of the 9th semi-finished product tubing existing defects, the 9th qualified semi-finished product tubing enters next procedure；
Heat treatment: the 9th semi-finished product tubing is subjected to vacuum normalizing heat treatment, obtains the tenth semi-finished product tubing；
Plating: the surfaces externally and internally of the tenth semi-finished product tubing and end face are subjected to electroplating processes, obtain engine hydraulic brake oil
Pipe.
2. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: after plating step
Further include getting packaging ready, carried out getting label ready with black marking pen on engine hydraulic brake pipe, then will mark
Engine hydraulic brake pipe carries out packaging vanning.
3. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: in blanking step,
Tubing is cut into blank tubing using full-automatic pipe cutting machine.
4. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: in rough grinding step,
Blank tubing is transported at automatic corase grinding feed inlet, feeder can by blank tubing self-feeding to centreless grinding machine external from
Dynamic clamping is simultaneously roughly ground；In precision grinding step, third semi-finished product tubing is transported at automatic fine grinding feed inlet, feeder can be by third
It automated exchanged cutter and is refined in semi-finished product tubing self-feeding to centreless grinding machine external.
5. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: rounded corner step
In, the first semi-finished product tubing is transported at the feed inlet of automatic chamfering machine, the feeder of automatic chamfering machine can by the first half at
Then the self-feeding of quality control material carries out the processing of tubing both ends of the surface and inside and outside circle rounded corner to the enterprising luggage folder of instrument lathe.
6. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: in necking step,
Second semi-finished product tubing is transported at automatic rolling machine inlet, feeder can be by the second semi-finished product tubing self-feeding to rolling
Automated exchanged cutter and end extrusion forming is carried out on press.
7. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: inner hole processing and baking
In dry step, the 4th semi-finished product tubing is transported in automatic vibration polishing machine and is timed automatic vibration polishing treatment, automatically
Shaking polishing machine, automatic vibration rotates after actuation, and small steel ball can be automatically into passing through vibration in the inner hole of the 4th semi-finished product tubing
Rub pipe material inner wall；Dryer in automatic vibration polishing machine can carry out drying and processing to the 4th semi-finished product tubing.
8. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: in pier step,
By the 5th semi-finished product tubing clamping into the first mold, pier press automatically presses down the 5th semi-finished product tubing, in pier press
The 5th semi-finished product tubing is expressed in the shaping mould of the first mold under hydraulic external force, squeezes out the first lug boss；Pier pipe
In head step, by the 6th semi-finished product tubing clamping into the second mold, pier press automatically presses down the 6th semi-finished product tubing,
The 6th semi-finished product tubing is expressed in the shaping mould of the second mold under the hydraulic external force of pier press, squeezes out the second protrusion
Portion；In the right step step of pier, by the 7th semi-finished product tubing clamping into third mold, pier press is automatically the 7th semi-finished product tubing
It presses down, the 7th semi-finished product tubing is expressed in the shaping mould of third mold under the hydraulic external force of pier press, squeeze
Third protrusion portion out.
9. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: in bending step,
8th semi-finished product tubing is transported to bending machine side, manually by the 8th semi-finished product tubing clamping to bender, then starting is rolled over
Bender carries out bending processing to the 8th semi-finished product tubing automatically, and when clamping cannot clip to the first lug boss, the second lug boss and
Three protrusions, guarantee yield rate；In checking procedure, the defect of the 9th semi-finished product tubing includes that dimension overproof, the bad, chamfering of closing up are touched
Hurt, appearance damages, is recessed, crackle.
10. the moulding process of engine hydraulic brake pipe according to claim 1, it is characterised in that: heat treatment step
In, the temperature of vacuum normalizing heat treatment is 890 DEG C~920 DEG C, and furnace temperature keeps the temperature 1~2 minute after reaching 890 DEG C~920 DEG C, then
9th semi-finished product tubing is come out of the stove natural cooling in air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810498576.3A CN108637609B (en) | 2018-05-23 | 2018-05-23 | A kind of moulding process of engine hydraulic brake pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810498576.3A CN108637609B (en) | 2018-05-23 | 2018-05-23 | A kind of moulding process of engine hydraulic brake pipe |
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| CN108637609B true CN108637609B (en) | 2019-07-26 |
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| CN112576843A (en) * | 2020-12-03 | 2021-03-30 | 北京国电富通科技发展有限责任公司 | Hydrophobic collector and processing method thereof |
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| CN101543946B (en) * | 2008-03-28 | 2012-05-09 | 上海海隆石油管材研究所 | Method for preparing aluminium alloy drill pipe body with over-long upset ends |
| CN103551814A (en) * | 2013-11-13 | 2014-02-05 | 四川柯世达汽车制动系统集团有限公司 | Technical method for processing connector |
| CN104399862B (en) * | 2014-07-02 | 2017-01-18 | 江苏天毅冷镦股份有限公司 | Technology for producing spherical metal joint |
| CN104175066B (en) * | 2014-07-07 | 2016-05-25 | 西安交通大学 | Axially pushing of a kind of ultra-long tube head flanges gathers material and jumping-up combination process |
| CN105090247A (en) * | 2015-08-24 | 2015-11-25 | 重庆市璧山区四通机械厂 | Thin-wall shaft sleeve machining method |
| CN105817840A (en) * | 2016-04-22 | 2016-08-03 | 太仓市东晖机械厂 | Machining and producing process of seamless steel pipe |
| CN107498265A (en) * | 2017-03-07 | 2017-12-22 | 常州慧阳科技发展有限公司 | The preparation method of stainless steel brake pipe |
-
2018
- 2018-05-23 CN CN201810498576.3A patent/CN108637609B/en not_active Expired - Fee Related
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