CN108526821A - A kind of processing method of the engine oil pump of internal combustion engine pump housing - Google Patents
A kind of processing method of the engine oil pump of internal combustion engine pump housing Download PDFInfo
- Publication number
- CN108526821A CN108526821A CN201810290694.5A CN201810290694A CN108526821A CN 108526821 A CN108526821 A CN 108526821A CN 201810290694 A CN201810290694 A CN 201810290694A CN 108526821 A CN108526821 A CN 108526821A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- pump body
- mold
- oil
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 239000010705 motor oil Substances 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 147
- 239000000446 fuel Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000010721 machine oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses the processing methods of the engine oil pump of internal combustion engine pump housing, include the following steps：Cast the blank of oil pump body and the blank of valve plate；The blank of the oil pump body cast finish；The valve plate cast is finished, outer surface and periphery are polished smooth；Process the connecting hole on oil pump body；Fuel feed hole and oil outlet are processed, is punched on the convex block by drill bit on the excircle of oil pump body for processing fuel feed hole and oil outlet；It is punched from the opening of oil pump body on the circular inner wall of opening, makes a call to two inclined holes respectively so that two inclined holes are respectively by fuel feed hole and oil outlet and oil pump body open communication；The oil pump body processed and valve plate are subjected to cleaning oil removing, dried up.The present invention is easy to process, reduces the difficulty of processing, while also saving cost.
Description
Technical field
The present invention relates to engine oil pump of internal combustion engine, more particularly to a kind of processing method of the engine oil pump of internal combustion engine pump housing.
Background technology
Lubricating oil pump is widely used on internal combustion engine, especially diesel engine, and most of existing lubricating oil pump is by lubricating oil pump
What body, oil pump cover, internal rotor component and outer rotor formed, oil pump body and oil pump cover are two disk-like structures, machine
Connection between oil pump body and oil pump cover is and to be equipped with gasket by being bonded between two disk-like structures, finally by
Positioning pin and clamping screw are fixed, but there are following defects for this mode：1, understand the phenomenon that there is oil leaks,
It is leaked out in the gap that machine oil can be between oil pump body and oil pump cover, causes the pollution of environment；2 due to oil pump body and machine oil
Connected by positioning pin and clamping screw between pump cover, when processing dowel hole always there are certain error, this
Sample can cause after being fixed between oil pump body and oil pump cover, and the location hole on the oil pump body and oil pump cover at pump shaft both ends is not
It can guarantee concentricity, leading to pump shaft in this way, there are certain degree of eccentricitys, be easy to cause the damage of pump shaft.Also occur in the prior art
Disk-like structure is made in oil pump cover to be fastened in oil pump body opening, but such mode is not easy to process, especially
It is very inconvenient for the processing of the oil guiding hole between oil outlet and oil inlet and oil pump body.
Invention content
The purpose of the invention is to overcome the above problem, a kind of processing method of the engine oil pump of internal combustion engine pump housing is provided.
In order to achieve the above objectives, the method that the present invention uses is：A kind of processing method of the engine oil pump of internal combustion engine pump housing, including
Following steps：
（1）, casting oil pump body blank, groove is equipped with wherein in oil pump body, endface is equipped with circular hatch frame,
The excircle of oil pump body is equipped with the convex block for processing connecting hole and oil inlet and oil outlet；
（2）, the blank of the oil pump body cast finish, including vehicle circle, deburring, by opening for endface
Mouth polishes flat；
（3）, connecting hole on processing oil pump body, by drill bit for processing the convex of connecting hole on the excircle of oil pump body
It carries out getting through hole on block, convex block both sides is penetrated through；
（4）, processing fuel feed hole and oil outlet, by drill bit for processing fuel feed hole and oil outlet on the excircle of oil pump body
Convex block on punched, fuel feed hole and oil outlet are the hole not penetrated through；
（5）, punched on the circular inner wall of opening from the opening of oil pump body, make a call to two inclined holes respectively so that two inclined holes
Respectively by fuel feed hole and oil outlet and oil pump body open communication；
（6）, the oil pump body processed and valve plate be subjected to cleaning oil removing, and dry up；
As a preference of the present invention, above-mentioned steps（5）Punching method it is as follows：
（51）, oil pump body is set on mold, mold tilt setting, oil pump body passes through its opening and concave part
Set is divided to be set on mold, when oil pump body is set on mold, oil pump body is identical as mold tilt angle, and is pressed from both sides by fixture
Tightly, the through-hole of vertical direction is provided on mold；
（52）, start drill bit, carry out drilling processing, drill bit vertically downward, passes through the through-hole of the vertical direction on mold, conflict to arrive
On the side wall of oil pump body opening, drill bit continues down, to punch downwards from the side wall that oil pump body is open, until the hole is connected to
Into fuel feed hole；
（53）, drill bit exited from mold, while unclamping fixture, oil pump body is taken out from mold；
（54）, oil pump body turned into direction be located on mold, and pass through clamp；
（55）, start drill bit, carry out drilling processing, drill bit vertically downward, passes through the through-hole of the vertical direction on mold, conflict to arrive
On the side wall of oil pump body opening, drill bit continues down, to punch downwards from the side wall that oil pump body is open, until the hole is connected to
Into oil outlet；.
（56）, drill bit exited from mold, while unclamping fixture, oil pump body is taken out from mold, and complete punching.
As a preference of the present invention, passing through the connecting hole on positioning pin and oil pump body when oil pump body is set on mold
Or fuel feed hole, oil outlet positioning.
Advantageous effect：
Technical solution of the present invention compares traditional scheme, by the way that oil inlet and oil outlet are being passed through inclined hole and the machine oil respectively
The inner wall of pump housing opening is connected, it is only necessary to and it bores an inclined hole from the inner wall of circular opening and is connected to oil inlet and outlet,
It is easy to process, reduce the difficulty of processing, while also saving cost, processing method is simple, efficient, while passing through the party
The oil stream leaked on a small quantity can be entered in IC engine airframe made from method, further prevent leakage.
Description of the drawings
Fig. 1 is the fuel pump structure schematic diagram of the present invention；
Fig. 2 is the side view of the present invention；
The structural schematic diagram of the positions Fig. 3 oil pump body processing inclined of the present invention.
Each component is in Fig. 1：1, oil pump body, 2, valve plate, 3, outer rotor, 4, internal rotor, 5, lock-screw, 6, even
Connect hole, 7, fuel feed hole, 8, oil outlet, 9, pump shaft, 10, axis pin, 11, inclined hole, 12, workbench, 13, drill bit, 14, drill bit channels,
15, support plate, 16, positioning pin, 17, cylinder, 18, mold.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised under implemented, it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
The structure for introducing the engine oil pump of internal combustion engine of the lower present invention first, if Fig. 1 to the lubricating oil pump shown in Fig. 2 includes machine oil
Internal rotor component, the outer rotor 3 of the pump housing 1, pump shaft 9 and the composition of internal rotor 4.Pass through axis pin between the pump shaft 9 and internal rotor 4
10 fix.
The internal rotor 4 and outer rotor 3 is separately positioned in the oil pump body 1, in the oil pump body 1
On be additionally provided with circular opening, be provided with valve plate 2 in the opening, the valve plate 2 and the lubricating oil pump
It is interference fit between the opening of body 1, and is additionally provided with lock-screw 5 between valve plate 2 and oil pump body 1.One end of pump shaft 9
It is sleeved in the centre bore of valve plate 2.
Oil inlet 7 and oil outlet 8, the oil inlet 7 and oil outlet 8 are additionally provided on the oil pump body 1
It is connected respectively with the inner wall of the circular opening by an inclined hole 11.It is additionally provided on the oil pump body 1
With the fixed connecting hole of IC engine airframe 6.
The processing method of the above-mentioned lubricating oil pump pump housing is as follows：
（1）, casting oil pump body 1 blank, groove is equipped with wherein in oil pump body 1, endface is equipped with circular opening knot
Structure, the excircle of oil pump body are equipped with the convex block for processing connecting hole 6 and fuel feed hole 7 and oil outlet 8；
（2）, the blank of the oil pump body 1 cast finish, including vehicle circle, deburring, by endface
Opening polishes flat；
（3）, connecting hole 6 on processing oil pump body 1, by drill bit for processing connecting hole on the excircle of oil pump body 1
Convex block on carry out getting through hole, convex block both sides are penetrated through；
（4）, processing fuel feed hole 7 and oil outlet 8, by drill bit for processing fuel feed hole 7 and going out on the excircle of oil pump body 1
It is punched on the convex block of oilhole 8, fuel feed hole 7 and oil outlet 8 are the hole not penetrated through；
（5）, punched on the circular inner wall of opening from the opening of oil pump body, make a call to two inclined holes 11 respectively so that two are tiltedly
Hole 11 is respectively by fuel feed hole 7 and oil outlet 8 and 1 open communication of oil pump body；The method of punching is as follows：
（51）, oil pump body 1 is set on mold 18, the mold 18 is obliquely installed, and mold 18 is fixed on a connection
On, which includes two flangings, and two flangings are distributed at an obtuse angle, and one of flanging is fixed on the table,
Mold 18 is fixed on another flanging, 1 set of oil pump body is set on mold 18, when oil pump body 1 is set on mold, machine oil
The pump housing 1 is identical as mold tilt angle, and positioning pin 16 is additionally provided on the flanging equipped with mold 18, and oil pump body 1 is packed into mould
When on tool 18, positions by connecting hole on 16 oil pump body 1 of positioning pin or fuel feed hole, oil outlet, and pass through clamp.
In the present embodiment, fixture is a cylinder 17 being obliquely installed, when oil pump body 1 is sleeved on mold, cylinder
17 piston rod stretches out, and oil pump body 1 is pressed on mold 18, can thus clamp oil pump body 1, be arranged on mold
Drill bit channels 14 when having the through-hole of vertical direction as punching；
（52）, start drill bit 13, carry out drilling processing, drill bit 13 vertically downward, passes through the through-hole structure of the vertical direction on mold
At drill bit channels 14, contradict on the side wall that be open to oil pump body 1, drill bit continues down, from the side wall of oil pump body opening
Upper punching downwards, until the hole is communicated in fuel feed hole 7, this hole is exactly the inclined hole 11 on Fig. 1；
（53）, drill bit 13 exited from mold 18, while unclamping fixture, oil pump body 1 is taken out from mold 18；
（54）, oil pump body 1 turned into direction be located on mold 18, and pass through clamp；
（55）, start drill bit, carry out drilling processing, drill bit vertically downward, passes through the through-hole of the vertical direction on mold, conflict to arrive
On the side wall of oil pump body opening, drill bit continues down, to punch downwards from the side wall that oil pump body is open, until the hole is connected to
Into oil outlet；
（56）, drill bit exited from mold, while unclamping fixture, oil pump body is taken out from mold, and complete punching.
（6）, the oil pump body processed and valve plate be subjected to cleaning oil removing, and dry up.
Technical solution of the present invention compares traditional scheme, by by oil inlet and oil outlet respectively by inclined hole with it is described
Oil pump body opening inner wall be connected, it is only necessary to from the inner wall of circular opening bore an inclined hole be connected to oil inlet with it is fuel-displaced
Mouthful, it is easy to process, reduce the difficulty of processing, while also saving cost, processing method is simple, efficient, passes through simultaneously
The oil stream leaked on a small quantity can be entered in IC engine airframe made from this method, further prevent leakage.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes
By the above technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (3)
1. a kind of processing method of the engine oil pump of internal combustion engine pump housing, which is characterized in that include the following steps：
（1）, casting oil pump body blank, groove is equipped with wherein in oil pump body, endface is equipped with circular hatch frame,
The excircle of oil pump body is equipped with the convex block for processing connecting hole and oil inlet and oil outlet；
（2）, the blank of the oil pump body cast finish, including vehicle circle, deburring, by opening for endface
Mouth polishes flat；
（3）, connecting hole on processing oil pump body, by drill bit for processing the convex of connecting hole on the excircle of oil pump body
It carries out getting through hole on block, convex block both sides is penetrated through；
（4）, processing fuel feed hole and oil outlet, by drill bit for processing fuel feed hole and oil outlet on the excircle of oil pump body
Convex block on punched, fuel feed hole and oil outlet are the hole not penetrated through；
（5）, punched on the circular inner wall of opening from the opening of oil pump body, make a call to two inclined holes respectively so that two inclined holes
Respectively by fuel feed hole and oil outlet and oil pump body open communication；
（6）, the oil pump body processed and valve plate be subjected to cleaning oil removing, and dry up.
2. a kind of processing method of engine oil pump of internal combustion engine pump housing according to claim 1, it is characterised in that：Step（5）'s
The method of punching is as follows：
（51）, oil pump body is set on mold, mold tilt setting, oil pump body passes through its opening and concave part
Set is divided to be set on mold, when oil pump body is set on mold, oil pump body is identical as mold tilt angle, and is pressed from both sides by fixture
Tightly, the through-hole of vertical direction is provided on mold；
（52）, start drill bit, carry out drilling processing, drill bit vertically downward, passes through the through-hole of the vertical direction on mold, conflict to arrive
On the side wall of oil pump body opening, drill bit continues down, to punch downwards from the side wall that oil pump body is open, until the hole is connected to
Into fuel feed hole；
（53）, drill bit exited from mold, while unclamping fixture, oil pump body is taken out from mold；
（54）, oil pump body turned into direction be located on mold, and pass through clamp；
（55）, start drill bit, carry out drilling processing, drill bit vertically downward, passes through the through-hole of the vertical direction on mold, conflict to arrive
On the side wall of oil pump body opening, drill bit continues down, to punch downwards from the side wall that oil pump body is open, until the hole is connected to
Into oil outlet；
（66）, drill bit exited from mold, while unclamping fixture, oil pump body is taken out from mold, and complete punching.
3. a kind of processing method of engine oil pump of internal combustion engine pump housing according to claim 2, it is characterised in that：Oil pump body set
It is positioned by connecting hole on positioning pin and oil pump body or fuel feed hole, oil outlet when being located on mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290694.5A CN108526821B (en) | 2018-04-03 | 2018-04-03 | Method for processing engine oil pump body of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290694.5A CN108526821B (en) | 2018-04-03 | 2018-04-03 | Method for processing engine oil pump body of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108526821A true CN108526821A (en) | 2018-09-14 |
| CN108526821B CN108526821B (en) | 2024-03-22 |
Family
ID=63482289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810290694.5A Active CN108526821B (en) | 2018-04-03 | 2018-04-03 | Method for processing engine oil pump body of internal combustion engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108526821B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250936A (en) * | 2020-03-12 | 2020-06-09 | 上海瑙克科技发展有限公司 | Gear pump for bending machine and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250936A (en) * | 2020-03-12 | 2020-06-09 | 上海瑙克科技发展有限公司 | Gear pump for bending machine and manufacturing method thereof |
| CN111250936B (en) * | 2020-03-12 | 2024-08-27 | 上海瑙克科技发展有限公司 | Gear pump for bending machine and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108526821B (en) | 2024-03-22 |
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