CN107350722A - A kind of processing technology of high intensity plunger pump closure - Google Patents
A kind of processing technology of high intensity plunger pump closure Download PDFInfo
- Publication number
- CN107350722A CN107350722A CN201610301978.0A CN201610301978A CN107350722A CN 107350722 A CN107350722 A CN 107350722A CN 201610301978 A CN201610301978 A CN 201610301978A CN 107350722 A CN107350722 A CN 107350722A
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- China
- Prior art keywords
- cover plate
- hole
- plunger pump
- internal diameter
- high intensity
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- 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.)
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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)
- Compressor (AREA)
Abstract
The present invention discloses a kind of processing technology of high intensity plunger pump closure, comprises the following steps：Blanking simultaneously carries out profile cutting, obtains cover plate profile；Drill bit drill centers is used in cover plate central；Smart car centre bore internal diameter end face；Positioning hole is bored on boss；To cover plate smart car thickness；Finish-milling cover plate profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.According to the overall dimensions design centre aperture size of cover plate, positioning aperture size, lug boss position, position of positioning hole, installation aperture and the chamfer dimesion in each hole in the present invention, this designs the connectivity that cover plate and plunger pump are effectively improved while cover plate bulk strength is improved, make plunger pump can the operation in the environment of high intensity, High Pressure Difference, leakage, the gas leak phenomenon occurred by poor connectivity is effectively avoided, ensures being smoothed out for work；Rotating speed is accordingly adjusted according to the characteristics of institute's working position, improves the accuracy of processing, the problem of avoiding processing member and inconsistent pre-set dimension.
Description
Technical field
The invention belongs to machining technology field, and in particular to a kind of processing technology of high intensity plunger pump closure.
Background technology
Plunger pump is an important device of hydraulic system, and it is moved back and forth by plunger in cylinder body, holds seal operation
The volume of chamber changes to realize oil suction, force feed, and plunger will move back and forth in cylinder body, and therefore, its amount of exercise is very
Greatly, therefore, plunger pump is particularly the plunger pump for being used for shale gas exploitation, is had because working strength is higher, inside and outside pump larger
Pressure difference, to prevent the liquid leakage in the pump housing, it is desirable to which the intensity of pump cover is high, sealing will get well；However, at present
Existing cover plate, through common saw, bore, the process such as car, fail to add to pay attention in tiny angle, cause to machine
Part is inconsistent with pre-set dimension, in the lid course of work exist with plunger pump poor connectivity and sealing difference ask
Topic, influence the operating efficiency of plunger pump.
The content of the invention
Goal of the invention：Present invention aims in view of the shortcomings of the prior art, there is provided one kind is favorably improved cover plate and post
Fill in the processing technology of the high intensity plunger pump closure of pump connection effect.
Technical scheme：A kind of processing technology of high intensity plunger pump closure of the present invention, comprises the following steps：
(1) blanking and profile cutting is carried out, obtains the cover plate profile provided with several boss, between two neighboring boss
Angle be 110~130 °；
(2) in cover plate central using drill bit drill centers and profiling gas cutting internal diameter, auger axis rotating speed is 120~200
r/min；Then rough bore is carried out to the centre bore using hole boring cutter, hole boring cutter rotating speed is 300~500r/min, penetration of a cutting tool
Measure as 3~5mm；After drilling, the burr at center port both ends, and chamfering are removed；
(3) centre bore internal diameter end face described in cylindrical cutter smart car is used, the speed of mainshaft of the cylindrical cutter is 800~1000
r/min；
(4) positioning hole is bored on the boss using drill bit, auger axis rotating speed is 600~800r/min, then uses boring
Hole knife further finishes to the positioning hole, and the hole boring cutter speed of mainshaft is 800~1400r/min, and it is fixed then to remove
Position hole week burr and flange；
(5) using cylindrical cutter to the cover plate smart car thickness, the speed of mainshaft of cylindrical cutter is 400~800r/min；
(6) finish-milling cover plate profile, and mounting hole is bored on the cover plate, all burr and flange are then removed, is obtained
The internal diameter of the mounting hole is 0.07~0.075 times of the cover plate profile internal diameter；
(7) final finish-milling profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.
Further, after terminating to cover plate profile cutting, gas cutting preformed hole on the cover board.
Further, the cover plate profile is provided with two boss, and corresponding central angle is 120 ° between two boss.
Further, corresponding central angle is 120 ° between the positioning hole.
Further, the internal diameter of the centre bore is 0.58~0.6 times of the cover plate profile internal diameter.
Further, the cover sheet thickness is 15~25mm, and the chamfer dimesion of the centre bore is 3.0~3.5mm*45 °；
The chamfer angle of the mounting hole is 40~45 °；The chamfer dimesion of the positioning hole is 0.3~0.5mm*45 °.
Further, the circumference internal diameter where the heart of the mounting hole hole is 0.80~0.85 times of the cover plate profile internal diameter.
Further, the drill bit is taper-shank drill.
Beneficial effect：(1) for the present invention by some row processes such as gas cutting, thick drilling, smart car, it is tight that processing has obtained structure
The plunger pump closure gathered, by setting boss on cover plate profile, and opens up positioning hole on boss, ensure that lid is pacified
Position accuracy during dress；(2) the overall dimensions specific design center bore size of present invention foundation cover plate, positioning
Aperture size, lug boss position, position of positioning hole, installation aperture and the chamfer dimesion in each hole, this design are improving cover plate
The connectivity of cover plate and plunger pump is effectively improved while bulk strength, makes plunger pump can be in the environment of high intensity, High Pressure Difference
Lower operation, leakage, the gas leak phenomenon occurred by poor connectivity is effectively avoided, ensures being smoothed out for work；(3)
Rotating speed is accordingly adjusted according to the characteristics of institute's working position, the accuracy of processing is improved, avoids processing member and pre-set dimension
The problem of inconsistent；(4) deviation ratio≤0.01% of this technique processing, the fitness height of part and plunger pump body is completed,
Good airproof performance so that plunger pump can the operation under >=400MPa intensity, and occur without the phenomenon of gas leakage, leakage.
Brief description of the drawings
Fig. 1 is the overall structure diagram of plunger pump closure in the present invention；
Fig. 2 is the overall structure side diagram of plunger pump closure in the present invention；
Wherein 1, cover plate profile, 2, boss, 3, centre bore, 4, positioning hole, 5, mounting hole.
Embodiment
Technical solution of the present invention is described in detail below by accompanying drawing, but protection scope of the present invention is not limited to institute
State embodiment.
Embodiment 1：A kind of processing technology of high intensity plunger pump closure, comprises the following steps：
(1) blanking and profile cutting being carried out, obtains cover plate profile 1, the cover plate profile 1 is provided with two boss 2,
Corresponding central angle is 120 ° between two boss 2；After terminating to cover plate profile cutting, gas cutting on the cover board
Preformed hole；
(2) in cover plate central using taper-shank drill drill centers 3 and profiling gas cutting internal diameter, the internal diameter of the centre bore 3
For 0.58 times of the internal diameter of cover plate profile 1, auger axis rotating speed is 180r/min；Then using hole boring cutter to described
Centre bore 3 carries out rough bore, and hole boring cutter rotating speed is 450r/min, bite 5mm；After drilling, in removal
The burr at central orifice both ends, and chamfering；
(3) the internal diameter end face of centre bore 3 described in cylindrical cutter smart car is used, the speed of mainshaft of the cylindrical cutter is 900r/min；
(4) positioning hole 4 is bored on the boss using drill bit, auger axis rotating speed is 700r/min, then uses bore hole
Knife further finishes to the positioning hole 4, and the hole boring cutter speed of mainshaft is 1250r/min, then removes positioning hole
4 weeks burrs and flange；
(5) using cylindrical cutter to the cover plate smart car thickness, the speed of mainshaft of cylindrical cutter is 625r/min；
(6) finish-milling cover plate profile, and mounting hole 5 is bored on the cover plate, all burr and flange are then removed, is obtained
Internal diameter to the mounting hole 5 is 0.072 times of the cover plate profile internal diameter；Circumference where the hole heart of mounting hole 5
Internal diameter is 0.84 times of the internal diameter of cover plate profile 1；
(7) final finish-milling profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.
Cover sheet thickness in the present embodiment is 20mm, and the chamfer dimesion of centre bore 3 is 3.3mm*45 °；Mounting hole 5
Chamfer angle be 41 °；The chamfer dimesion of positioning hole 4 is 0.4mm*45 °.
Embodiment 2：A kind of processing technology of high intensity plunger pump closure, comprises the following steps：
(1) blanking and profile cutting being carried out, obtains cover plate profile 1, the cover plate profile 1 is provided with two boss 2,
Corresponding central angle is 110 ° between two boss 2；After terminating to cover plate profile cutting, gas cutting is pre- on the cover board
Box out；
(2) in cover plate central using taper-shank drill drill centers 3 and profiling gas cutting internal diameter, the internal diameter of the centre bore 3
For 0.6 times of the cover plate profile internal diameter, auger axis rotating speed is 120r/min；Then using hole boring cutter to the center
Hole 3 carries out rough bore, and hole boring cutter rotating speed is 300r/min, bite 3mm；After drilling, centre bore is removed
The burr at mouth both ends, and chamfering；
(3) the internal diameter end face of centre bore 3 described in cylindrical cutter smart car is used, the speed of mainshaft of the cylindrical cutter is 800r/min；
(4) positioning hole 4 is bored on the boss using drill bit, auger axis rotating speed is 600r/min, then uses bore hole
Knife further finishes to the positioning hole 4, and the hole boring cutter speed of mainshaft is 800r/min, then removes positioning hole 4
All burr and flange；
(5) using cylindrical cutter to the cover plate smart car thickness, the speed of mainshaft of cylindrical cutter is 800r/min；
(6) finish-milling cover plate profile, and mounting hole 5 is bored on the cover plate, all burr and flange are then removed, is obtained
Internal diameter to the mounting hole 5 is 0.07 times of the cover plate profile internal diameter；Circumference where the hole heart of mounting hole 5
Internal diameter is 0.8 times of the internal diameter of cover plate profile 1；
(7) final finish-milling profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.
Cover sheet thickness in the present embodiment is 15mm, and the chamfer dimesion of centre bore 3 is 3.0mm*45 °；Mounting hole 5
Chamfer angle be 40 °；The chamfer dimesion of positioning hole 4 is 0.3mm*45 °.
Embodiment 3：A kind of processing technology of high intensity plunger pump closure, comprises the following steps：
(1) blanking and profile cutting being carried out, obtains cover plate profile 1, the cover plate profile 1 is provided with two boss 2,
Corresponding central angle is 130 ° between two boss 2；After terminating to cover plate profile cutting, gas cutting on the cover board
Preformed hole；
(2) in cover plate central using taper-shank drill drill centers 3 and profiling gas cutting internal diameter, the internal diameter of the centre bore 3
For 0.59 times of the internal diameter of cover plate profile 1, auger axis rotating speed is 200r/min；Then using hole boring cutter to described
Centre bore 3 carries out rough bore, and hole boring cutter rotating speed is 500r/min, bite 4mm；After drilling, in removal
The burr at central orifice both ends, and chamfering；
(3) the internal diameter end face of centre bore 3 described in cylindrical cutter smart car is used, the speed of mainshaft of the cylindrical cutter is 1000r/min；
(4) positioning hole 4 is bored on the boss using drill bit, auger axis rotating speed is 800r/min, then uses bore hole
Knife further finishes to the positioning hole 4, and the hole boring cutter speed of mainshaft is 1400r/min, then removes positioning hole
4 weeks burrs and flange；
(5) using cylindrical cutter to the cover plate smart car thickness, the speed of mainshaft of cylindrical cutter is 400r/min；
(6) finish-milling cover plate profile, and mounting hole 5 is bored on the cover plate, all burr and flange are then removed, is obtained
Internal diameter to the mounting hole 5 is 0.075 times of the internal diameter of cover plate profile 1；Circle where the hole heart of mounting hole 5
All internal diameters are 0.85 times of the internal diameter of cover plate profile 1；
(7) final finish-milling profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.
Cover sheet thickness in the present embodiment is 25mm, and the chamfer dimesion of centre bore 3 is 3.5mm*45 °；Mounting hole 5
Chamfer angle be 45 °；The chamfer dimesion of positioning hole 4 is 0.5mm*45 °.
According to the overall dimensions design centre aperture size of cover plate, positioning aperture size, lug boss position, positioning in the present invention
The chamfer dimesion of hole site, installation aperture and each hole, this design effectively improve lid while cover plate bulk strength is improved
The connectivity of plate and plunger pump, make plunger pump can the operation in the environment of high intensity, High Pressure Difference, effectively avoid because of connectivity
Bad and appearance leakage, gas leak phenomenon, ensure being smoothed out for work；Accordingly adjusted according to the characteristics of institute's working position
Rotating speed, the accuracy of processing is improved, the problem of avoiding processing member and inconsistent pre-set dimension, this technique is processed inclined
Rate≤0.01%, complete the fitness height of part and plunger pump body, good airproof performance so that plunger pump can be in >=400MPa
Intensity under operation, and occur without the phenomenon of gas leakage, leakage.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, but it shall not be construed as
To the limitation of itself of the invention., can be right under the premise of the spirit and scope of the present invention that appended claims define are not departed from
Various changes can be made in the form and details for it.
Claims (8)
1. a kind of processing technology of high intensity plunger pump closure, it is characterised in that comprise the following steps：
(1) blanking and profile cutting is carried out, obtains the cover plate profile provided with several boss, between two neighboring boss
Angle be 110~130 °；
(2) in cover plate central using drill bit drill centers and profiling gas cutting internal diameter, auger axis rotating speed is 120~200
r/min；Then rough bore is carried out to the centre bore using hole boring cutter, hole boring cutter rotating speed is 300~500r/min, penetration of a cutting tool
Measure as 3~5mm；After drilling, the burr at center port both ends, and chamfering are removed；
(3) centre bore internal diameter end face described in cylindrical cutter smart car is used, the speed of mainshaft of the cylindrical cutter is 800~1000
r/min；
(4) positioning hole is bored on the boss using drill bit, auger axis rotating speed is 600~800r/min, then uses boring
Hole knife further finishes to the positioning hole, and the hole boring cutter speed of mainshaft is 800~1400r/min, and it is fixed then to remove
Position hole week burr and flange；
(5) using cylindrical cutter to the cover plate smart car thickness, the speed of mainshaft of cylindrical cutter is 400~800r/min；
(6) finish-milling cover plate profile, and mounting hole is bored on the cover plate, all burr and flange are then removed, is obtained
The internal diameter of the mounting hole is 0.07~0.075 times of the cover plate profile internal diameter；
(7) final finish-milling profile, and Part No. is carved, then purged and packed, obtains cover plate and completes part.
2. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：To described
After the cutting of cover plate profile terminates, gas cutting preformed hole on the cover board.
3. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：The cover plate
Profile is provided with two boss, and corresponding central angle is 120 ° between two boss.
4. the processing technology of high intensity plunger pump closure according to claim 3, it is characterised in that：The positioning
Corresponding central angle is 120 ° between hole.
5. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：The center
The internal diameter in hole is 0.58~0.6 times of the cover plate profile internal diameter.
6. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：The cover plate
Thickness is 15~25mm, and the chamfer dimesion of the centre bore is 3.0~3.5mm*45 °；The chamfering angle of the mounting hole
Spend for 40~45 °；The chamfer dimesion of the positioning hole is 0.3~0.5mm*45 °.
7. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：The installation
Circumference internal diameter where Kong Kongxin is 0.80~0.85 times of the cover plate profile internal diameter.
8. the processing technology of high intensity plunger pump closure according to claim 1, it is characterised in that：The drill bit
For taper-shank drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301978.0A CN107350722A (en) | 2016-05-09 | 2016-05-09 | A kind of processing technology of high intensity plunger pump closure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301978.0A CN107350722A (en) | 2016-05-09 | 2016-05-09 | A kind of processing technology of high intensity plunger pump closure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107350722A true CN107350722A (en) | 2017-11-17 |
Family
ID=60270843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301978.0A Pending CN107350722A (en) | 2016-05-09 | 2016-05-09 | A kind of processing technology of high intensity plunger pump closure |
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| Country | Link |
|---|---|
| CN (1) | CN107350722A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526821A (en) * | 2018-04-03 | 2018-09-14 | 江苏真鹿科技有限公司 | A kind of processing method of the engine oil pump of internal combustion engine pump housing |
| CN111958183A (en) * | 2020-08-11 | 2020-11-20 | 上海意内西机械制造有限公司 | Eccentric ring machining process |
| CN113059321A (en) * | 2021-03-26 | 2021-07-02 | 徐州新大隆化工泵业制造有限公司 | Production and processing method of plunger pump for high-quality high-pressure cleaning machine |
-
2016
- 2016-05-09 CN CN201610301978.0A patent/CN107350722A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526821A (en) * | 2018-04-03 | 2018-09-14 | 江苏真鹿科技有限公司 | A kind of processing method of the engine oil pump of internal combustion engine pump housing |
| CN108526821B (en) * | 2018-04-03 | 2024-03-22 | 江苏真鹿科技有限公司 | Method for processing engine oil pump body of internal combustion engine |
| CN111958183A (en) * | 2020-08-11 | 2020-11-20 | 上海意内西机械制造有限公司 | Eccentric ring machining process |
| CN113059321A (en) * | 2021-03-26 | 2021-07-02 | 徐州新大隆化工泵业制造有限公司 | Production and processing method of plunger pump for high-quality high-pressure cleaning machine |
| CN113059321B (en) * | 2021-03-26 | 2022-07-08 | 徐州新大隆化工泵业制造有限公司 | Production and processing method of plunger pump for high-quality high-pressure cleaning machine |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171117 |