CN107953085A - A kind of hydraulic motor cylinders oil distribution casing component and its processing method - Google Patents
A kind of hydraulic motor cylinders oil distribution casing component and its processing method Download PDFInfo
- Publication number
- CN107953085A CN107953085A CN201711199294.5A CN201711199294A CN107953085A CN 107953085 A CN107953085 A CN 107953085A CN 201711199294 A CN201711199294 A CN 201711199294A CN 107953085 A CN107953085 A CN 107953085A
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- Prior art keywords
- distribution casing
- oil distribution
- plunger
- cavity volume
- cylinder
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to hydraulic system to perform component technical field, disclose a kind of hydraulic motor cylinders oil distribution casing component and its processing method, including plunger cylinder and oil distribution casing, plunger cylinder includes main body cylinder block and sintered copper, sintered copper is sintered on main body cylinder block, and plunger cylinder is provided centrally with connecting rod cavity volume, and connecting rod cavity volume periphery is provided with plunger cavity volume, plunger cavity volume is connected by cylinder body oil circuit with the oil drain passage set on oil distribution casing, and Silencing groove is provided with oil drain passage；Oil distribution casing dowel hole is provided with oil distribution casing and rinses oil circuit with oil distribution casing；The left technique conical surface of oil distribution casing and the right technique conical surface of oil distribution casing are additionally provided with oil distribution casing.The present invention possesses wear-resisting, corrosion-resistant and impact resistance characteristic, and high precision machining；Noise caused by hydraulic motor operation is not only reduced, but also can ensure the transmission performance of various components, and is provided with assembling and is oriented to, avoids build-up member from damaging, effectively extends the service life of component.
Description
Technical field
The present invention relates to hydraulic system to perform component technical field, more particularly to a kind of hydraulic motor cylinders oil distribution casing group
Part and its processing method.
Background technology
In axial plunger type motor, oil distribution mechanism is one of critical component of hydraulic motor, its structure and size and
Machining accuracy rationally whether, directly affect the functional reliability, volumetric efficiency and service life of hydraulic motor.At present, with oil
Mechanism mainly uses plane oil-allocation type, i.e. oil distribution casing is axially mounted to cylinder body end face, is fitted close with cylinder body end face, to complete
Oil inlet and oil extraction, and then be mechanical energy by hydraulic energy transfer；This assembly method there are the defects of：It is independent between all parts
Directly it is set with after preparation, sphere is not ground in pairing one by one, removes the burr of processing, and the consequence brought is that fit-up gap is excessive,
Noise is big caused by operation, not only causes environmental pollution, but also influence the transmission performance between various components；Equip gap
It is too small, the damage of hydraulic motor intraware is directly resulted in, is broken down；At the same time in assembling process, guiding, Yi Zao are not assembled
Damaged into build-up member.
The content of the invention
Technical problem solved by the invention is to provide a kind of hydraulic motor cylinders oil distribution casing component and its processing method,
The shortcomings that to solve in above-mentioned background technology.
The technical solution adopted by the present invention is as follows：
A kind of hydraulic motor cylinders oil distribution casing component, including plunger cylinder and oil distribution casing, wherein, plunger cylinder includes cylinder body
Main body and sintered copper, sintered copper are sintered on main body cylinder block, the centrally disposed connecting rod for being useful for installation center connecting rod of plunger cylinder
Cavity volume, connecting rod cavity volume periphery are provided with plunger cavity volume, and plunger cavity volume passes through the oil drain passage that is set on cylinder body oil circuit and oil distribution casing
Connection, the oil of oil distribution casing through cylinder body oil circuit are delivered to plunger cavity volume to drive plunger, Silencing groove are provided with oil drain passage, with
Damping effect is played when oily, and cylinder body oil circuit rinses oil circuit around cylinder body and is circumferentially evenly distributed with；Oil distribution casing positioning is provided with oil distribution casing
Pin hole rinses oil circuit with oil distribution casing, and oil distribution casing dowel hole is used for the circumferentially positioned of oil distribution casing, and oil distribution casing rinses oil circuit as assembling
Technique hole is at the same time irrigation channel；In addition, the left technique conical surface of oil distribution casing and the right technique cone of oil distribution casing are additionally provided with oil distribution casing
Face, the left technique conical surface of oil distribution casing and the right technique conical surface of oil distribution casing are oriented to for assembling and use, and avoid build-up member from damaging.
In the present invention, plunger cavity volume one end is provided with plunger cavity volume technology groove, surpassed distance during for Honing process.
In the present invention, connecting rod cavity volume bottom is provided with connecting rod cavity volume technology groove, surpassed distance during for Honing process.
In the present invention, plunger cylinder periphery is provided with cylindrical for the cylinder body of locating and machining.
In the present invention, oil drain passage is symmetrical arranged on oil distribution casing dowel hole, can two-way disengaging oil transportation, efficiently just
It is prompt.
In the present invention, processing technic of oil distribution disc deep gouge and oil distribution casing installation positioning deep gouge are provided with oil distribution casing, is used for
Processing, assembling use.
In the present invention, oil distribution casing flushing oil circuit is located at oil distribution casing center, easy to rinse at the same time on oil distribution casing positioning pin
The symmetrically arranged oil drain passage in hole.
In the present invention, sintered copper and oil distribution casing are mating spherical surfaces, and sphere dimensional accuracy -0.001mm~+0.003mm,
Profile tolerance 0.0015mm, 0.2 μm of surface roughness.
A kind of hydraulic motor cylinders oil distribution casing module processing method, comprises the following steps that：
1st, the preparation of plunger cylinder
1) basis material, basis material requirement are chosen：Blank forges modifier treatment, and quenching and tempering hardness is HRC29~32；
2) sintered copper after roughing is carried out to the basis material chosen in step 1), and layers of copper is without trachoma, loose and serious
Segregation, obtains plunger cylinder base；
3) the plunger cylinder base periphery processing cylinder obtained in step 2) is justified in vitro, and clamps cylinder body Excircle machining connecting rod appearance
Chamber, cylinder body rinse oil circuit and plunger cavity volume and plunger cavity volume technology groove, connecting rod cavity volume technology groove, and process plunger cavity volume and company
Allowance is stayed during bar cavity volume, is processed using vertical machining centre, and Production development sampling observation is installed in vertical machining centre
Detector, detects valve body critical size, to ensure the machining accuracy of batch production, effectively controls scrappage；
4) the cylindrical anti-head processing cylinder body oil circuit of cylinder body and sphere are clamped, obtains plunger cylinder；
5) gas nitriding processing is carried out to the plunger cylinder surface obtained in step 4), grinding front surface hardness is not less than
620HV0.2,0.35~0.5mm of depth of penetration；
6) after the face gas nitriding of plunger case body surface is disposed in step 5), honing connecting rod cavity volume and processing plunger hold
Chamber；
2nd, the preparation of oil distribution casing
1) basis material, basis material requirement are chosen：Blank forges modifier treatment, and quenching and tempering hardness is HRC29~32；
2) two sides is processed respectively by the way of secondary clamping to the basis material chosen in step 1), uses drive knife
The turning center processing of head, obtains oil distribution casing base substrate, and Production development sampling observation detector is provided with turning center, detects valve body
Critical size, to ensure the machining accuracy of batch production, effectively controls scrappage；
3) gas nitriding processing is carried out to the oil distribution casing billet surface obtained in step 2), grinding front surface hardness is not less than
1000HV0.2 0.35~0.5mm of depth of penetration；
4) it is cylindrical using expanding arbor positioning oil distribution casing flushing oil circuit grinding；
3rd, plunger cylinder and oil distribution casing are assembled
1) plunger cylinder and oil distribution casing are matched into grinding sphere one by one, is assembled into cylinder body oil distribution casing component；
2) machined burrs are removed using thermal energy mode to the cylinder body oil distribution casing component obtained in step 1)；
3) after treating that cylinder body oil distribution casing component machined burrs remove in step 2), cylinder body oil distribution casing component is thrown
Light, carries out cylinder body oil distribution casing component after polishing cleaning corrosion protection and goes magnetic treatment；
4) after carrying out appearance detection to the cylinder body oil distribution casing component that cleaning corrosion protection degaussing is disposed in step 3), it is encapsulated into
Storehouse.
In the present invention, in step 3) connecting rod cavity volume 0~0.013mm of dimensional accuracy, cylindricity 0.005mm, surface is thick
0.2 μm of rugosity；0~0.013mm of dimensional accuracy of plunger cavity volume, cylindricity 0.005mm, 0.2 μm of surface roughness.
Beneficial effect：The present invention matches plunger cylinder and oil distribution casing in preparation process on grinding sphere one by one, and removes
The burr of processing, possesses wear-resisting, corrosion-resistant and impact resistance characteristic, and high precision machining；According to both between cylinder body oil distribution casing component
Determine fit-up gap to assemble with size, not only reduce noise caused by hydraulic motor operation, but also can ensure the biography of various components
Dynamic performance, and be provided with assembling and be oriented to, avoid build-up member from damaging, effectively extend the service life of cylinder body oil distribution casing component.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of presently preferred embodiments of the present invention.
Fig. 2 is the plunger cylinder front view in presently preferred embodiments of the present invention.
Fig. 3 is the plunger cylinder rearview in presently preferred embodiments of the present invention.
Fig. 4 is the plunger cylinder left view in presently preferred embodiments of the present invention.
Fig. 5 is the plunger cylinder right view in presently preferred embodiments of the present invention.
Fig. 6 is the valve plate front view in presently preferred embodiments of the present invention.
Fig. 7 is sectional view at U in Fig. 6.
Fig. 8 is the valve plate right view in presently preferred embodiments of the present invention.
Fig. 9 is sectional view at C-C in Fig. 8.
Embodiment
All features disclosed in this specification, can be with any in addition to mutually exclusive feature and/or step
Mode combines.
Elaborate below in conjunction with the accompanying drawings to the present invention.
Referring to a kind of hydraulic motor cylinders oil distribution casing component of Fig. 1~Fig. 9, including plunger cylinder 1, plunger cavity volume technology groove
1-1, plunger cavity volume 1-2, connecting rod cavity volume 1-3, main body cylinder block 1-4, cylinder body oil circuit 1-5, cylinder body rinse oil circuit 1-6, sintered copper 1-
7th, connecting rod cavity volume technology groove 1-8, the cylindrical 1-9 of cylinder body, oil distribution casing 2, Silencing groove, oil drain passage 2-2, oil distribution casing rinse oil circuit 2-3,
Processing technic of oil distribution disc deep gouge 2-4, oil distribution casing dowel hole 2-5, oil distribution casing installation positioning deep gouge 2-6, the left technique cone of oil distribution casing
The face 2-7 and right technique conical surface 2-8 of oil distribution casing.
In the present embodiment, plunger cylinder 1 includes main body cylinder block 1-4 and sintered copper 1-7, and sintered copper 1-7 is sintered in cylinder body
On main body 1-4, connecting rod cavity volume 1-3 is in the center of plunger cylinder 1, for the installation of center rod, and connecting rod cavity volume 1-3's
Bottom is provided with connecting rod cavity volume technology groove 1-8, surpassed distance during for Honing process, plunger cavity volume technology groove 1-1 and connecting rod cavity volume
The function of technology groove 1-8 is identical, and the oil of oil distribution casing 2 is delivered to plunger cavity volume 1-2 driving plungers, cylinder body oil through cylinder body oil circuit 1-5
Road 1-5 rinses oil circuit 1-6 around cylinder body and is circumferentially evenly distributed with, and the cylindrical 1-9 of cylinder body is used for locating and machining；On oil distribution casing on oil distribution casing 2
Dowel hole 2-5 is symmetrically arranged with oil drain passage 2-2 and is used to match somebody with somebody oil, and left side input the right output equally can be with the right input is left
Side exports, and oil distribution casing dowel hole 2-5 is used for the circumferentially positioned of oil distribution casing 2, and it is assembly technology hole that oil distribution casing, which rinses oil circuit 2-3,
It is irrigation channel at the same time, processing technic of oil distribution disc deep gouge 2-4 and oil distribution casing installation positioning deep gouge 2-6 are processing and assembly technology
With groove, the left technique conical surface 2-7 of oil distribution casing and the right technique conical surface 2-8 of oil distribution casing are oriented to for assembling and use, and Silencing groove is when with oil
Play damping effect.
0~0.013mm of dimensional accuracy of connecting rod cavity volume 1-3, cylindricity 0.005mm, 0.2 μm of surface roughness；Plunger holds
0~0.013mm of dimensional accuracy of chamber 1-2, cylindricity 0.005mm, 0.2 μm of surface roughness；Sintered copper 1-7 and oil distribution casing 2 are
Mating spherical surfaces, sphere dimensional accuracy -0.001mm~+0.003mm, profile tolerance 0.0015mm, 0.2 μm of surface roughness.
In the present embodiment, hydraulic motor cylinders oil distribution casing module processing method, comprises the following steps that：
1st, the preparation of plunger cylinder 1
1) basis material, basis material requirement are chosen：Blank forges modifier treatment, and quenching and tempering hardness is HRC29~32；
2) sintered copper after roughing is carried out to the basis material chosen in step 1), and layers of copper is without trachoma, loose and serious
Segregation, obtains plunger cylinder base；
3) the plunger cylinder base periphery processing cylinder obtained in step 2) justifies 1-9 in vitro, and clamps the cylindrical 1-9 processing of cylinder body
Connecting rod cavity volume 1-3, cylinder body rinse oil circuit 1-6 and plunger cavity volume 1-2 and plunger cavity volume technology groove 1-1, connecting rod cavity volume technology groove 1-
8, and allowance is stayed during processing plunger cavity volume 1-2 and connecting rod cavity volume 1-3, processed using vertical machining centre, and add vertical
Production development sampling observation detector is installed in work center, valve body critical size is detected, to ensure the machining accuracy of batch production, has
Effect control scrappage；
4) the anti-head processing cylinder body oil circuit 1-5 of the cylindrical 1-9 of cylinder body and sphere are clamped, obtains plunger cylinder；
5) gas nitriding processing is carried out to the plunger cylinder surface obtained in step 4), grinding front surface hardness is not less than
620HV0.2,0.35~0.5mm of depth of penetration；
6) after the face gas nitriding of plunger case body surface is disposed in step 5), honing connecting rod cavity volume 1-3 and processing plunger
Cavity volume 1-2；
2nd, the preparation of oil distribution casing 2
1) basis material, basis material requirement are chosen：Blank forges modifier treatment, and quenching and tempering hardness is HRC29~32；
2) two sides is processed respectively by the way of secondary clamping to the basis material chosen in step 1), uses drive knife
The turning center processing of head, and Production development sampling observation detector is installed in turning center, valve body critical size is detected, to protect
The machining accuracy of batch production is demonstrate,proved, scrappage is effectively controlled, obtains oil distribution casing base substrate；
3) gas nitriding processing is carried out to the oil distribution casing billet surface obtained in step 2), grinding front surface hardness is not less than
1000HV0.2 0.35~0.5mm of depth of penetration；
4) it is cylindrical using expanding arbor positioning oil distribution casing flushing oil circuit 2-3 grindings；
3rd, plunger cylinder 1 and oil distribution casing 2 are assembled
1) plunger cylinder 1 and oil distribution casing 2 are matched into grinding sphere one by one, is assembled into cylinder body oil distribution casing component；
2) machined burrs are removed using thermal energy mode to the cylinder body oil distribution casing component obtained in step 1)；
3) after treating that cylinder body oil distribution casing component machined burrs remove in step 2), cylinder body oil distribution casing component is thrown
Light, carries out cylinder body oil distribution casing component after polishing cleaning corrosion protection and goes magnetic treatment；
4) after carrying out appearance detection to the cylinder body oil distribution casing component that cleaning corrosion protection degaussing is disposed in step 3), it is encapsulated into
Storehouse.
It is the embodiment of the present invention as described above.The present invention is not limited to the above-described embodiments, anyone should learn that
The structure change made under the enlightenment of the present invention, the technical schemes that are same or similar to the present invention, each fall within this
Within the protection domain of invention.
Claims (2)
1. a kind of hydraulic motor cylinders oil distribution casing module processing method, it is characterised in that comprise the following steps that：
1st, the preparation of plunger cylinder
1) basis material, basis material requirement are chosen：Blank forges modifier treatment, and quenching and tempering hardness is HRC29~32；
2) sintered copper after roughing is carried out to the basis material chosen in step 1), and layers of copper is without trachoma, loose and macrosegregation,
Obtain plunger cylinder base；
3) the plunger cylinder base periphery processing cylinder obtained in the step 2) is justified in vitro, and clamp cylinder body Excircle machining connecting rod cavity volume,
Cylinder body rinses oil circuit and plunger cavity volume and plunger cavity volume technology groove, connecting rod cavity volume technology groove, and processes plunger cavity volume and connecting rod appearance
Allowance is stayed during chamber, is processed using vertical machining centre, and Production development sampling observation detection is installed in vertical machining centre
Instrument, detects valve body critical size, to ensure the machining accuracy of batch production, effectively controls scrappage；
4) the cylindrical anti-head processing cylinder body oil circuit of cylinder body and sphere are clamped, obtains plunger cylinder；
5) gas nitriding processing is carried out to the plunger cylinder surface obtained in step 4), grinding front surface hardness is not less than
620HV0.2, depth of penetration 0.35mm~0.5mm；
6) after the face gas nitriding of plunger case body surface is disposed in step 5), honing connecting rod cavity volume and processing plunger cavity volume；
2nd, the preparation of oil distribution casing
2) two sides is processed respectively by the way of secondary clamping to the basis material chosen in step 1), uses drive cutter head
Turning center is processed, and obtains oil distribution casing base substrate, and Production development sampling observation detector is provided with turning center, and detection valve body is crucial
Size, to ensure the machining accuracy of batch production, effectively controls scrappage；
3) gas nitriding processing is carried out to the oil distribution casing billet surface obtained in step 2), grinding front surface hardness is not less than
1000HV0.2 depth of penetration 0.35mm~0.5mm；
4) it is cylindrical using expanding arbor positioning oil distribution casing flushing oil circuit grinding；
3rd, plunger cylinder and oil distribution casing are assembled
1) plunger cylinder and oil distribution casing are matched into grinding sphere one by one, is assembled into cylinder body oil distribution casing component；
2) machined burrs are removed using thermal energy mode to the cylinder body oil distribution casing component obtained in step 1)；
3) after treating that cylinder body oil distribution casing component machined burrs remove in step 2), cylinder body oil distribution casing component is polished, is thrown
Cleaning corrosion protection is carried out after light to cylinder body oil distribution casing component and goes magnetic treatment.
2. hydraulic motor cylinders oil distribution casing module processing method according to claim 1, it is characterised in that connect in step 3)
0~0.013mm of dimensional accuracy of bar cavity volume, cylindricity 0.005mm, 0.2 μm of surface roughness；The dimensional accuracy 0 of plunger cavity volume
~0.013mm, cylindricity 0.005mm, 0.2 μm of surface roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199294.5A CN107953085A (en) | 2017-11-26 | 2017-11-26 | A kind of hydraulic motor cylinders oil distribution casing component and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199294.5A CN107953085A (en) | 2017-11-26 | 2017-11-26 | A kind of hydraulic motor cylinders oil distribution casing component and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107953085A true CN107953085A (en) | 2018-04-24 |
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ID=61962063
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711199294.5A Pending CN107953085A (en) | 2017-11-26 | 2017-11-26 | A kind of hydraulic motor cylinders oil distribution casing component and its processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215852A (en) * | 2020-01-22 | 2020-06-02 | 武汉船用机械有限责任公司 | Machining method for cylinder body of double-piston oil cylinder |
-
2017
- 2017-11-26 CN CN201711199294.5A patent/CN107953085A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215852A (en) * | 2020-01-22 | 2020-06-02 | 武汉船用机械有限责任公司 | Machining method for cylinder body of double-piston oil cylinder |
| CN111215852B (en) * | 2020-01-22 | 2021-08-17 | 武汉船用机械有限责任公司 | Machining method for cylinder body of double-piston oil cylinder |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180424 |
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| WD01 | Invention patent application deemed withdrawn after publication |