CN106378632B - A kind of oil pump nozzle plunger bushing precise forming mechanism - Google Patents
A kind of oil pump nozzle plunger bushing precise forming mechanism Download PDFInfo
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- CN106378632B CN106378632B CN201610907859.XA CN201610907859A CN106378632B CN 106378632 B CN106378632 B CN 106378632B CN 201610907859 A CN201610907859 A CN 201610907859A CN 106378632 B CN106378632 B CN 106378632B
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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Abstract
A kind of oil pump nozzle plunger bushing precise forming mechanism, a kind of oil pump nozzle plunger bushing precise forming mechanism, including pressing from both sides rod, blank is clamped in folder rod, clipping apparatus is equipped in blank lower end, clipping apparatus is cut blank and will cut blank and sent by manipulator to alloy mold lower end by external force, the processing efficiency of blank can be allowed to be promoted, meet the requirement of different operating conditions, blank quickly can be processed into finished product, blank is sent in alloy mold, blank processing efficiency can be allowed to optimize, qualified finished product can be gone out with rapid processing, product qualified rate is processed to be promoted, blank can be rushed in alloy mold in time and be ejected by top mechanism, blank is avoided to be entrapped in alloy mold.
Description
Technical field
The present invention relates to a kind of shaping mechanism and its methods, and in particular to a kind of oil pump nozzle plunger bushing precise forming machine
Structure.
Background technique
Station cold heading forming technology has been answered extensively in standard component production industry, mechanical configurations simple pieces industry
With, can be realized save material, high production efficiency, lead to that production cost is low, people's multimachineization operation, but in production oil pump
The industry of oil nozzle plunger bushing is the typical labor-intensive enterprises by multiple working procedure, high, processing technology complexity that there are technical requirements,
The features such as production efficiency is low, high production cost, plunger bushing precision pair is the key part in oil pump nozzle component, domestic at present
Most manufacturers still take original processing technology, typically main using turning plunger bushing external form and drill bushing hole two
Process produces plunger, wherein turning plunger bushing external form is to carry out blanking sawing with sawing machine in the specification bar of a scale, and use is small
Type lathe carries out the outer circle of segmentation cutting different-diameter on same plunger sleeve blank with up to technique requirement, current technology leads to wave
It is wide to take a large amount of raw material, labor intensity height, energy consumption height, high production cost, product size control range.
Summary of the invention
The object of the present invention is to provide a kind of a kind of easy to operate, high oil pump nozzle plunger bushing precise formings of flow path efficiency
Mechanism.
The technical solution of the present invention is as follows: a kind of oil pump nozzle plunger bushing precise forming mechanism, a kind of oil pump nozzle plunger bushing
Precise forming mechanism, including folder rod, are clamped with blank in folder rod, are equipped with clipping apparatus in blank lower end, clipping apparatus is by outer
Power cuts blank and will cut blank and sent by manipulator to alloy mold lower end, and blank is sent into alloy mold by the manipulator
It is interior, it is equipped with accommodating cavity in the ejecting mechanism, accommodates blank in accommodating cavity, small end formed punch is connected on ejecting mechanism,
The small end formed punch grafting enters in accommodating cavity, and cylinder is connected by manipulator, is equipped with big punch pin for end part in accommodating cavity bottom end, presss from both sides rod
For U-clamp rod, press from both sides rod and clamp blank, blank, which is worn, takes over U-clamp rod, small end formed punch and big punch pin for end part be symmetrically set and
It is spaced apart from each other between small end formed punch and big punch pin for end part, manipulator is driven by cylinder and moved, and setting, machine are spaced between manipulator
Tool is equipped with concavity bayonet on hand.
Including following production stage
Former bar is clamped by pressing from both sides rod, the former bar clamped is transported on clipping apparatus, passes through clipping apparatus
External force cuts former bar, and the length of former bar interception is consistent, and former bar carries out the processing of annealing process before cutting, and
And former bar is carried out phosphorus saponification process after annealing by former bar；
The blank that clipping apparatus is cut is conveyed into the first station die by manipulator, is equipped in the first station die
Angle, the chamfering are 0 ° -50 °, and blank receives the extruding of the first station die after entering the first station die, are passing through the first work
Position mould forms shape chamfering at 45 ° and the structure with deep hole shape on a blank after squeezing；
The blank after the processing of the first station die is transported to second station mold by manipulator, passes through second station mold
First station, 45 ° of chamferings of molding stock are further deformed, become 30 ° of cone shapes, while the blank other end processes down
Angle, outer circle is thicker, and blank total length is elongated, and deep hole also accordingly deepens；
3rd station mold is transported to by manipulator by the blank that second station mold is processed, in 3rd station mold
Charge length is elongated, and variable diameter rate is 40%-60%, and the depth of deep hole deepens, wherein between the deep hole and blank diameter on blank
Ratio is 2:5 or less；
It enters in the 4th station die and processes by the finished blank of 3rd station mold, in the 4th station die
Second step variable diameter stretch processing on blank, wherein the transition position between two steps on blank carries out 45 ° of chamfereds, simultaneously
Blank in blank outer diameter upset ratio 3rd station mold increases 0-0.1mm, the blank in path upset ratio 3rd station mold
Increase 0-0.03mm, secondary variable diameter rate is 60-70%, and the depth of deep hole is constant；
Blank by the processing of the 4th station die is processed into the 5th station die, by the processing of the 5th station die
Blank major diameter is upset to increase 0-0.1mm than the processing of the 4th station die, and path is upset to increase 0- than the processing of the 4th station die
0.1mm, length blank more finished than the 4th station die is short, and the depth of deep hole is constant.
The invention has the advantages that reaching quickly from process is cut without material loss, reaches saving material, improve productivity mesh
, 58.8% is improved for the relatively old technique production of former material manufacture product quantity per ton, the accurate net nearly moulding material benefit of single product
With rate up to 98% or more, class's production capacity is significantly improved, and is manufactured using the method for the present invention, and the morpheme size of product guarantees the same of consistency
When also obtain preferable surface roughness, die life is greatly improved using the embedded extrusion die of alloy taper and is conveniently replaceable
Alloy mold core reduces die cost, using digital control mechanical arm transposer, guarantees the blank of 5 different shapes, is precisely sent into phase
Corresponding station die, blank are directly transported by manipulator and are controlled, and the processing efficiency of blank can be allowed to be promoted, and are met not
With the requirement of operating condition, blank quickly can be processed into finished product, blank is sent in alloy mold, can allow blank
Processing efficiency optimization can go out qualified finished product with rapid processing, and processing product qualified rate is promoted, and top mechanism can be timely by blank
Ejection in alloy mold is rushed, blank is avoided and is entrapped in alloy mold.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1 is folder rod, and 2 be blank, and 3 be clipping apparatus, and 4 be manipulator, and 5 be alloy mold, and 6 be ejecting mechanism, 7
It is small end formed punch for accommodating cavity, 8,9 be cylinder, and 10 be big punch pin for end part.
Specific embodiment
Embodiment 1
A kind of oil pump nozzle plunger bushing precise forming mechanism, including folder rod 1, are clamped with blank 2 in folder rod 1, in base
Expect that 2 lower ends are equipped with clipping apparatus 3, clipping apparatus 3 is cut blank 2 and will cut blank 2 and sent by manipulator 4 to alloy by external force
Blank is sent into alloy mold 5 by 5 lower end of mold, the manipulator 4, and accommodating cavity 7, accommodating are equipped in the ejecting mechanism 6
Blank is accommodated in chamber 7, small end formed punch 8 is connected on ejecting mechanism 6,8 grafting of small end formed punch enters in accommodating cavity, machine
Cylinder 9 is connected by tool hand 4, is equipped with big punch pin for end part 10 in 7 bottom end of accommodating cavity, folder rod 1 is U-clamp rod, and folder rod 1 clamps blank,
Blank, which is worn, takes over U-clamp rod, and small end formed punch 8 and big punch pin for end part 10 are symmetrically set and small end formed punch 8 and big end
It is spaced apart from each other between formed punch 10, manipulator 4 is driven by cylinder and moved, and setting is spaced between manipulator 4, and manipulator 4 is equipped with recessed
Shape bayonet, folder rod are Openworks shape structure among U-shaped, and blank passes through in folder rod hollow component.
Including following production stage
Former bar is clamped by pressing from both sides rod, the former bar clamped is transported on clipping apparatus, passes through clipping apparatus
External force cuts former bar, and the length of former bar interception is consistent, and former bar carries out the processing of annealing process before cutting, and
And former bar is carried out phosphorus saponification process after annealing by former bar；
The phospholeum treatment process are as follows: blank is cleaned, pickling is carried out after cleaning, then again carries out blank
Cleaning, the blank after cleaning are neutralized, and the blank after neutralization is cleaned, and phosphorating treatment, phosphorating treatment are then followed by
After carry out saponification process, finally blank is carried out air-dried；
Wherein in the pickling processes, hydrochloric acid and clear water are added into descaling bath, ratio between the two is 1:50；
Then phosphorating treatment is carried out, needs to carry out the preparation of phosphating solution, every part is measured according to 50g, wherein -5 parts of phosphatase 11,
Zinc oxide is 2-5 part, and catalyst is 1-5 parts, will carry out hybrid reaction in phosphoric acid and zinc oxide progress reactive tank, the reaction time is
1-2 hours, catalyst is then added into mixed solution, is reacted 0.5-2 hours, is prepared into phosphating solution and is carried out phosphorating treatment and soap
Change processing；
It is preferred that the preparation of phosphating solution, every part is measured according to 50g, wherein phosphatase 11 part, and zinc oxide is 2 parts, and catalyst is 1 part,
Phosphoric acid and zinc oxide are carried out to carry out hybrid reaction in reactive tank, the reaction time is 1 hour, then adds and urges into mixed solution
Agent is reacted 0.5-2 hours, is prepared into phosphating solution and is carried out phosphorating treatment and saponification process；
The blank that clipping apparatus is cut is conveyed into the first station die by manipulator, is equipped in the first station die
Angle, the chamfering are 0 ° -50 °, and blank receives the extruding of the first station die after entering the first station die, are passing through the first work
Position mould forms shape chamfering at 45 ° and the structure with deep hole shape on a blank after squeezing；
The blank after the processing of the first station die is transported to second station mold by manipulator, passes through second station mold
First station, 45 ° of chamferings of molding stock are further deformed, become 30 ° of cone shapes, while the blank other end processes down
Angle, outer circle is thicker, and blank total length is elongated, and deep hole also accordingly deepens；
3rd station mold is transported to by manipulator by the blank that second station mold is processed, in 3rd station mold
Charge length is elongated, and variable diameter rate is 40%-60%, and the depth of deep hole deepens, wherein between the deep hole and blank diameter on blank
Ratio is 2:5 or less；
It enters in the 4th station die and processes by the finished blank of 3rd station mold, in the 4th station die
Second step variable diameter stretch processing on blank, wherein the transition position between two steps on blank carries out 45 ° of chamfereds, simultaneously
Blank in blank outer diameter upset ratio 3rd station mold increases 0-0.1mm, the blank in path upset ratio 3rd station mold
Increase 0-0.03mm, secondary variable diameter rate is 60-70%, and the depth of deep hole is constant；
Blank by the processing of the 4th station die is processed into the 5th station die, by the processing of the 5th station die
Blank major diameter is upset to increase 0-0.1mm than the processing of the 4th station die, and path is upset to increase 0- than the processing of the 4th station die
0.1mm, length blank more finished than the 4th station die is short, and the depth of deep hole is constant.
Embodiment 2
A kind of oil pump nozzle plunger bushing precise forming mechanism, including folder rod 1, are clamped with blank 2 in folder rod 1, in base
Expect that 2 lower ends are equipped with clipping apparatus 3, clipping apparatus 3 is cut blank 2 and will cut blank 2 and sent by manipulator 4 to alloy by external force
Blank is sent into alloy mold 5 by 5 lower end of mold, the manipulator 4, and accommodating cavity 7, accommodating are equipped in the ejecting mechanism 6
Blank is accommodated in chamber 7, small end formed punch 8 is connected on ejecting mechanism 6,8 grafting of small end formed punch enters in accommodating cavity, machine
Cylinder 9 is connected by tool hand 4, is equipped with big punch pin for end part 10 in 7 bottom end of accommodating cavity, folder rod 1 is U-clamp rod, and folder rod 1 clamps blank,
Blank, which is worn, takes over U-clamp rod, and small end formed punch 8 and big punch pin for end part 10 are symmetrically set and small end formed punch 8 and big end
It is spaced apart from each other between formed punch 10, manipulator 4 is driven by cylinder and moved, and setting is spaced between manipulator 4, and manipulator 4 is equipped with recessed
Shape bayonet, folder rod are Openworks shape structure among U-shaped, and blank passes through in folder rod hollow component.
Including following production stage
Former bar is clamped by pressing from both sides rod, the former bar clamped is transported on clipping apparatus, passes through clipping apparatus
External force cuts former bar, and the length of former bar interception is consistent, and former bar carries out the processing of annealing process before cutting, and
And former bar is carried out phosphorus saponification process after annealing by former bar；
The phospholeum treatment process are as follows: blank is cleaned, pickling is carried out after cleaning, then again carries out blank
Cleaning, the blank after cleaning are neutralized, and the blank after neutralization is cleaned, and phosphorating treatment, phosphorating treatment are then followed by
After carry out saponification process, finally blank is carried out air-dried；
Wherein in the pickling processes, hydrochloric acid and clear water are added into descaling bath, ratio between the two is 1:50；
Then phosphorating treatment is carried out, needs to carry out the preparation of phosphating solution, every part is measured according to 50g, wherein -5 parts of phosphatase 11,
Zinc oxide is 2-5 part, and catalyst is 1-5 parts, will carry out hybrid reaction in phosphoric acid and zinc oxide progress reactive tank, the reaction time is
1-2 hours, catalyst is then added into mixed solution, is reacted 0.5-2 hours, is prepared into phosphating solution and is carried out phosphorating treatment and soap
Change processing；
It is preferred that the preparation of phosphating solution, every part is measured according to 50g, wherein 2 parts of phosphoric acid, and zinc oxide is 3 parts, and catalyst is 2 parts,
Phosphoric acid and zinc oxide are carried out to carry out hybrid reaction in reactive tank, the reaction time is 1 hour, then adds and urges into mixed solution
Agent is reacted 1.5 hours, is prepared into phosphating solution and is carried out phosphorating treatment and saponification process；
The blank that clipping apparatus is cut is conveyed into the first station die by manipulator, is equipped in the first station die
Angle, the chamfering are 0 ° -50 °, and blank receives the extruding of the first station die after entering the first station die, are passing through the first work
Position mould forms shape chamfering at 45 ° and the structure with deep hole shape on a blank after squeezing；
The blank after the processing of the first station die is transported to second station mold by manipulator, passes through second station mold
First station, 45 ° of chamferings of molding stock are further deformed, become 30 ° of cone shapes, while the blank other end processes down
Angle, outer circle is thicker, and blank total length is elongated, and deep hole also accordingly deepens；
3rd station mold is transported to by manipulator by the blank that second station mold is processed, in 3rd station mold
Charge length is elongated, and variable diameter rate is 40%-60%, and the depth of deep hole deepens, wherein between the deep hole and blank diameter on blank
Ratio is 2:5 or less；
It enters in the 4th station die and processes by the finished blank of 3rd station mold, in the 4th station die
Second step variable diameter stretch processing on blank, wherein the transition position between two steps on blank carries out 45 ° of chamfereds, simultaneously
Blank in blank outer diameter upset ratio 3rd station mold increases 0-0.1mm, the blank in path upset ratio 3rd station mold
Increase 0-0.03mm, secondary variable diameter rate is 60-70%, and the depth of deep hole is constant；
Blank by the processing of the 4th station die is processed into the 5th station die, by the processing of the 5th station die
Blank major diameter is upset to increase 0-0.1mm than the processing of the 4th station die, and path is upset to increase 0- than the processing of the 4th station die
0.1mm, length blank more finished than the 4th station die is short, and the depth of deep hole is constant.
Embodiment 3
A kind of oil pump nozzle plunger bushing precise forming mechanism, including folder rod 1, are clamped with blank 2 in folder rod 1, in base
Expect that 2 lower ends are equipped with clipping apparatus 3, clipping apparatus 3 is cut blank 2 and will cut blank 2 and sent by manipulator 4 to alloy by external force
Blank is sent into alloy mold 5 by 5 lower end of mold, the manipulator 4, and accommodating cavity 7, accommodating are equipped in the ejecting mechanism 6
Blank is accommodated in chamber 7, small end formed punch 8 is connected on ejecting mechanism 6,8 grafting of small end formed punch enters in accommodating cavity, machine
Cylinder 9 is connected by tool hand 4, is equipped with big punch pin for end part 10 in 7 bottom end of accommodating cavity, folder rod 1 is U-clamp rod, and folder rod 1 clamps blank,
Blank, which is worn, takes over U-clamp rod, and small end formed punch 8 and big punch pin for end part 10 are symmetrically set and small end formed punch 8 and big end
It is spaced apart from each other between formed punch 10, manipulator 4 is driven by cylinder and moved, and setting is spaced between manipulator 4, and manipulator 4 is equipped with recessed
Shape bayonet, folder rod are Openworks shape structure among U-shaped, and blank passes through in folder rod hollow component.
Including following production stage
The phospholeum treatment process are as follows: blank is cleaned, pickling is carried out after cleaning, then again carries out blank
Cleaning, the blank after cleaning are neutralized, and the blank after neutralization is cleaned, and phosphorating treatment, phosphorating treatment are then followed by
After carry out saponification process, finally blank is carried out air-dried；
Wherein in the pickling processes, hydrochloric acid and clear water are added into descaling bath, ratio between the two is 1:50；
Then phosphorating treatment is carried out, needs to carry out the preparation of phosphating solution, every part is measured according to 50g, wherein -5 parts of phosphatase 11,
Zinc oxide is 2-5 part, and catalyst is 1-5 parts, will carry out hybrid reaction in phosphoric acid and zinc oxide progress reactive tank, the reaction time is
1-2 hours, catalyst is then added into mixed solution, is reacted 0.5-2 hours, is prepared into phosphating solution and is carried out phosphorating treatment and soap
Change processing；
It is preferred that the preparation of phosphating solution, every part is measured according to 50g, wherein 2 parts of phosphoric acid, and zinc oxide is 3 parts, and catalyst is 2 parts,
Phosphoric acid and zinc oxide are carried out to carry out hybrid reaction in reactive tank, the reaction time is 1 hour, then adds and urges into mixed solution
Agent was prepared into phosphating solution and carries out phosphorating treatment and saponification process in reaction 2 hours；
Former bar is clamped by pressing from both sides rod, the former bar clamped is transported on clipping apparatus, passes through clipping apparatus
External force cuts former bar, and the length of former bar interception is consistent, and former bar carries out the processing of annealing process before cutting, and
And former bar is carried out phosphorus saponification process after annealing by former bar；
The blank that clipping apparatus is cut is conveyed into the first station die by manipulator, is equipped in the first station die
Angle, the chamfering are 0 ° -50 °, and blank receives the extruding of the first station die after entering the first station die, are passing through the first work
Position mould forms shape chamfering at 45 ° and the structure with deep hole shape on a blank after squeezing；
The blank after the processing of the first station die is transported to second station mold by manipulator, passes through second station mold
First station, 45 ° of chamferings of molding stock are further deformed, become 30 ° of cone shapes, while the blank other end processes down
Angle, outer circle is thicker, and blank total length is elongated, and deep hole also accordingly deepens；
3rd station mold is transported to by manipulator by the blank that second station mold is processed, in 3rd station mold
Charge length is elongated, and variable diameter rate is 40%-60%, and the depth of deep hole deepens, wherein between the deep hole and blank diameter on blank
Ratio is 2:5 or less；
It enters in the 4th station die and processes by the finished blank of 3rd station mold, in the 4th station die
Second step variable diameter stretch processing on blank, wherein the transition position between two steps on blank carries out 45 ° of chamfereds, simultaneously
Blank in blank outer diameter upset ratio 3rd station mold increases 0-0.1mm, the blank in path upset ratio 3rd station mold
Increase 0-0.03mm, secondary variable diameter rate is 60-70%, and the depth of deep hole is constant；
Blank by the processing of the 4th station die is processed into the 5th station die, by the processing of the 5th station die
Blank major diameter is upset to increase 0-0.1mm than the processing of the 4th station die, and path is upset to increase 0- than the processing of the 4th station die
0.1mm, length blank more finished than the 4th station die is short, and the depth of deep hole is constant.
Claims (1)
1. a kind of oil pump nozzle plunger bushing precise forming mechanism, including folder rod, are clamped with blank in folder rod, it is characterised in that:
It is equipped with clipping apparatus in blank lower end, clipping apparatus is cut blank and will cut blank and sent by manipulator to alloy mould by external force
Having lower end, blank is sent into alloy mold by the manipulator, and it is equipped with accommodating cavity in ejecting mechanism, accommodates blank in accommodating cavity,
Small end formed punch is connected on ejecting mechanism, the small end formed punch grafting enters in accommodating cavity, cylinder is connected by manipulator,
Accommodating cavity bottom end is equipped with big punch pin for end part, and folder rod is U-clamp rod, and folder rod clamps blank, and blank passes through U-clamp rod, small end punching
Head and big punch pin for end part are symmetrically set and are spaced apart from each other between small end formed punch and big punch pin for end part, and manipulator is by cylinder band
It is dynamic to move, setting is spaced between manipulator, manipulator is equipped with concavity bayonet；
It comprises the following production steps that
Former bar is clamped by pressing from both sides rod, the former bar clamped is transported on clipping apparatus, outside clipping apparatus
Stress cuts former bar, and the length of former bar interception is consistent, and former bar carries out the processing of annealing process before cutting, and former
Former bar is carried out phosphorus saponification process after annealing by bar；
The blank that clipping apparatus is cut is conveyed into the first station die by manipulator, is equipped with chamfering, institute in the first station die
Stating chamfering is 0 ° -50 °, and blank enters the extruding after the first station die by the first station die, is passing through the first station mould
Tool forms shape chamfering at 45 ° and the structure with deep hole shape on a blank after squeezing；
The blank after the processing of the first station die is transported to second station mold by manipulator, by second station mold by the
One station, 45 ° of chamferings of molding stock further deform, and become 30 ° of cone shapes, while the blank other end processes chamfering, outside
Circle is thicker, and blank total length is elongated, and deep hole also accordingly deepens；
3rd station mold is transported to by manipulator by the blank that second station mold is processed, the blank in 3rd station mold
Length, variable diameter rate are 40%-60%, and the depth of deep hole deepens, wherein the ratio between the deep hole and blank diameter on blank
For 2:5 or less；
It enters in the 4th station die and processes by the finished blank of 3rd station mold, the blank in the 4th station die
On second step carry out variable diameter stretch processing, wherein transition position between two steps on blank carries out 45 ° of chamfereds, simultaneously
Blank in blank outer diameter upset ratio 3rd station mold increases 0-0.1mm, the blank in path upset ratio 3rd station mold
Increase 0-0.03mm, secondary variable diameter rate is 60-70%, and the depth of deep hole is constant；
Blank by the processing of the 4th station die is processed into the 5th station die, the blank processed by the 5th station die
Major diameter is upset to increase 0-0.1mm than the processing of the 4th station die, and path is upset to increase 0-0.1mm than the processing of the 4th station die,
Length blank more finished than the 4th station die is short, and the depth of deep hole is constant；
The phospholeum treatment process are as follows: blank is cleaned, pickling is carried out after cleaning, is then again carried out blank clear
It washes, the blank after cleaning is neutralized, and the blank after neutralization is cleaned, and phosphorating treatment is then followed by, after phosphorating treatment
Saponification process is carried out, is finally carried out blank air-dried；
Wherein in the pickling processes, hydrochloric acid and clear water are added into descaling bath, ratio between the two is 1:50；
Then phosphorating treatment is carried out, needs to carry out the preparation of phosphating solution, every part is measured according to 50g, wherein -5 parts of phosphatase 11, oxidation
Zinc is 2-5 parts, and catalyst is 1-5 parts, phosphoric acid and zinc oxide is carried out hybrid reaction in reactive tank, the reaction time is that 1-2 is small
When, catalyst is then added into mixed solution, is reacted 0.5-2 hours, is prepared into phosphating solution and is carried out at phosphorating treatment and saponification
Reason.
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| CN201610907859.XA CN106378632B (en) | 2016-10-19 | 2016-10-19 | A kind of oil pump nozzle plunger bushing precise forming mechanism |
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| CN201610907859.XA CN106378632B (en) | 2016-10-19 | 2016-10-19 | A kind of oil pump nozzle plunger bushing precise forming mechanism |
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| CN108787979B (en) * | 2018-08-24 | 2020-09-25 | 重庆标准件工业有限责任公司 | Bolt large-chamfer cold heading die and process |
| CN110666075A (en) * | 2019-11-18 | 2020-01-10 | 黎东 | Screw cold heading forming device |
| CN112475811B (en) * | 2020-11-25 | 2022-09-16 | 嘉兴市飞立流体科技有限公司 | Machining process of oil pipe joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000202608A (en) * | 1999-01-20 | 2000-07-25 | Sintokogio Ltd | Plunger sleeve for die casting machine |
| CN101564813B (en) * | 2009-04-14 | 2011-05-11 | 上海鸿基金属制品有限公司 | Process for machining cold-forging plunger latch head |
| CN101648226A (en) * | 2009-08-25 | 2010-02-17 | 扬州星月油泵油嘴有限公司 | Cold extrusion preliminary forming method for plunger, oil nozzle and oil outlet valve |
| CN101972927B (en) * | 2010-10-17 | 2011-11-09 | 余成巧 | Fast machining method for forming deep holes on steel |
| CN102152063A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing steel bundle terminal blank |
| CN102554579A (en) * | 2012-02-20 | 2012-07-11 | 余成巧 | Rapid forming process for plunger sleeve of oil pump |
| CN104148553A (en) * | 2014-06-17 | 2014-11-19 | 宁波安拓实业有限公司 | Manufacturing method of perforation head blank piece |
| CN104525809B (en) * | 2014-12-01 | 2017-01-11 | 宁波安拓实业有限公司 | Manufacturing method for coal cutting pick workblanks |
| CN105537304A (en) * | 2015-11-12 | 2016-05-04 | 陕西一品达石化有限公司 | Cold extruded plunger processing method |
| CN105964847B (en) * | 2016-06-30 | 2018-03-02 | 如皋市大生线路器材有限公司 | Precise forming process of composite insulator lower end gold utensil |
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