CN109318020A - A kind of gas-monitoring and air bearing positioning spigot seat and piston processing method suitable for Piston Machining - Google Patents
A kind of gas-monitoring and air bearing positioning spigot seat and piston processing method suitable for Piston Machining Download PDFInfo
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- CN109318020A CN109318020A CN201811342598.7A CN201811342598A CN109318020A CN 109318020 A CN109318020 A CN 109318020A CN 201811342598 A CN201811342598 A CN 201811342598A CN 109318020 A CN109318020 A CN 109318020A
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- piston
- seat
- air flue
- rabbet seat
- rabbet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of gas-monitoring suitable for Piston Machining and air bearing positioning spigot seats and piston processing method.Gas-monitoring and air bearing positioning spigot seat include axially position air flue 13 and radial positioning air flue 14；At least 3 axially position air flues 13 are arranged on rabbet seat in uniform way using the axis of rabbet seat 5 as symmetrical centre；The inoperative outer cylinder surface of rabbet seat 5 is arranged in the arrival end of axially position air flue, and the outlet end of axially position air flue is arranged on the axial locating surface 10 of rabbet seat 5；At least 3 radial positioning air flues 14 are arranged on rabbet seat in uniform way using the axis of rabbet seat 5 as symmetrical centre；The inoperative outer cylinder surface of rabbet seat is arranged in the arrival end of radial positioning air flue, and the outlet end of radial positioning air flue is arranged on the radial positioning face 9 of rabbet seat.Axial air flue and radial positioning air flue are respectively set on rabbet seat and introduces compressed gas by the present invention, realize piston to be processed accurate axially position and radial positioning on rabbet seat.
Description
Technical field
The present invention relates to machinery manufacturing technology fields more particularly to a kind of fixed suitable for the gas-monitoring of Piston Machining and air bearing
Position rabbet seat and piston processing method.
Background technique
It is general using cylindrical seam allowance positioning in engine piston mechanical processing process, position fastening such as Fig. 1 institute
Show.
In the actual processing process, often exist between the seam allowance end face and rabbet seat axial locating surface of one side piston and cut
The sundries such as bits are difficult to be found in time, excessive so as to cause piston position error and cause machining accuracy unqualified；On the other hand,
Due between the seam allowance inner surface and rabbet seat radial positioning face of piston there are fit clearance, the size of this fit clearance and
Orientation be it is uncontrollable, so as to cause there are certain resettings between each process positioned with piston seam allowance inner surface
Error, such as: smart car piston ring groove process is positioned with piston seam allowance inner surface and seam allowance end face, and smart car outside piston process
It is also to be positioned with piston seam allowance inner surface and seam allowance end face, there are certain resetting error, this errors for positioning twice
It will necessarily run-out error of the oversize piston ring trench bottom relative to outside piston axis.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of gas-monitoring suitable for Piston Machining and air bearing positioning spigots
Seat.
The invention solves another technical problem be to provide it is a kind of using above-mentioned gas monitoring and air bearing positioning stop
The method that mouth seat carries out Piston Machining.
For gas-monitoring and air bearing positioning spigot seat (hereinafter referred to as rabbet seat), the technical solution adopted by the present invention
It is that rabbet seat includes axially position air flue 13 and radial positioning air flue 14；
At least 3 axially position air flues 13 are arranged on rabbet seat in uniform way using the axis of rabbet seat 5 as symmetrical centre；Axis
The inoperative outer cylinder surface of rabbet seat 5, and the outlet end setting of axially position air flue are set to the arrival end of positioned airway
On the axial locating surface 10 of rabbet seat 5；
At least 3 radial positioning air flues 14 are arranged on rabbet seat in uniform way using the axis of rabbet seat 5 as symmetrical centre；Diameter
The inoperative outer cylinder surface of rabbet seat is set to the arrival end of positioned airway, and the outlet end setting of radial positioning air flue exists
On the radial positioning face 9 of rabbet seat.
Preferably, compressed gas access interface is arranged in the arrival end of axially position air flue 13, axially position air flue goes out
Mouth is provided with axial aperture throttle mechanism 12 at end.
Preferably, the arrival end of radial positioning air flue 14 is equipped with compressed gas access interface, radial positioning air flue goes out
Mouth is equipped with radial hole throttle mechanism 11 at end.
For piston processing method, the technical solution adopted by the present invention is that, comprising the following steps:
(1) when positioning tension on rabbet seat 5 when piston 1 to be processed, will have centainly by axially position air flue 13
The gas of pressure is transported between the seam allowance end face of piston and the axial locating surface 10 of rabbet seat, by axial locating surface there may be
Sundries blow away；When piston 1 positions tension on rabbet seat 5 to be completed, the outlet end of axially position air flue 13 should be covered
And it is stifled tight, flow value or pressure value in 13 air supply system of axial positioned airway are detected to judge the outlet end of axially position air flue
Whether be covered stifled tight, avoid existing between the seam allowance end face of piston and the axial locating surface of rabbet seat such as chip etc sundries and
Cause the axially position of piston and rabbet seat to be processed inaccurate；
(2) when positioning is installed on rabbet seat 5 when piston 1 to be processed, will have centainly by radial positioning air flue 14
The gas of pressure is transported between the seam allowance inner surface of piston and rabbet seat radial positioning face 9, seam allowance of the compressed gas in piston
Carrying air cushion is formed between inner surface and rabbet seat radial positioning face, so that the seam allowance inner surface of piston and rabbet seat are radial
Gap between positioning surface everywhere is uniform, improves radial positioning precision.
The beneficial effects of the present invention are:
Axial air flue and radial positioning air flue are respectively set on rabbet seat and introduces compressed gas, realizes piston to be processed
The compressed gas of accurate positioning axially and radially on rabbet seat, introducing helps clean up positioning surface sundries simultaneously, significantly
Improve positioning accuracy.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is that the piston seam allowance positioning of the prior art tenses schematic diagram.
Fig. 2 is the gas-monitoring and air bearing positioning spigot seat schematic diagram of the embodiment of the present invention.
Fig. 3 is the partial enlarged view of the part I in Fig. 2.
Fig. 4 is the structural schematic diagram of gas-monitoring of the present invention and air bearing positioning spigot seat embodiment.
In Fig. 1 to Fig. 4: 1- piston, 2- strain pin, 3- tensioning ring, 4- tie rod, 5- rabbet seat, 6- main shaft end cap, 7-
Main spindle box body, 8- main shaft, 9- radial positioning face, 10- axial locating surface, 11- radial hole throttle mechanism, 12- axial aperture section
Mechanism is flowed, 13- axially position air flue, 14- radial positioning air flue, 15- is for air-casing, 16- annular groove, 17- annular groove, 18- plug, 19-
Sealing ring, 20- air vent, 21- air vent.
Specific embodiment
One, the localization method that current machining piston uses
In current engine piston mechanical processing process, general to be positioned using cylindrical rabbet seat, positioning is clamped
Piston 1 is mounted on the cylindrical rabbet seat 5 connected firmly with machine tool chief axis 8 principle as shown in Figure 1:, passes through strain pin 2, tensioning ring
3, tie rod 4 tenses (clamping), so that machine tool chief axis 8 is rotated with piston 1.Cylindrical diameter is provided on rabbet seat 5
To positioning surface 9 and rabbet seat axial locating surface 10, after piston 1 positions tension on rabbet seat 5, the seam allowance inner surface of piston 1
Clearance fit (in order to install and uninstall piston) is formed with rabbet seat radial positioning face 9, the seam allowance end face of piston 1 is pressed on only
On mouth seat axial locating surface 10.In the actual processing process, the seam allowance end face of one side piston 1 and rabbet seat axial locating surface 10
Between often there are the sundries such as chip and be difficult to be found in time, it is excessive so as to cause 1 position error of piston and cause machining accuracy
It is unqualified；On the other hand, due between the seam allowance inner surface of piston 1 and rabbet seat radial positioning face 9 there are fit clearance, this
The size and orientation of kind of fit clearance be it is uncontrollable, so as to cause between each process positioned with piston seam allowance inner surface
There are certain resetting errors, such as: smart car piston ring groove process is positioned with piston seam allowance inner surface and seam allowance end face,
And smart car outside piston process is also to be positioned with piston seam allowance inner surface and seam allowance end face, there are certain repetitions for positioning twice
Position error, this error will necessarily run-out error of the oversize piston ring trench bottom relative to outside piston axis.
Two, improved gas-monitoring and air bearing positioning spigot seat
Fig. 2 is a kind of improved gas-monitoring and air bearing positioning spigot seat, hereinafter referred to as rabbet seat.
(1) several uniformly distributed gas passages are set by symmetrical centre of the axis of rabbet seat 5 on rabbet seat 5 --- axis
To positioned airway 13,13 arrival end of axially position air flue is in the inoperative outer cylinder surface of rabbet seat 5, and outlet end is in rabbet seat 5
Axial locating surface 10 on, and the outlet end of axially position air flue 13 is provided with axial aperture throttle mechanism 12 (Fig. 3).
In use, the arrival end in axially position air flue 13 accesses compressed gas.When piston 1 positions drawing on rabbet seat 5
When tight, the gas with certain pressure is sent by the seam allowance end face of piston 1 by axially position air flue and the axial direction of rabbet seat is determined
Between plane 10, sundries that may be present on axial locating surface is blown away.When piston 1 positions tension on rabbet seat 5 to be completed,
The outlet end of axially position air flue 13 should be against on the seam allowance end face of piston and tightly be blocked.By detecting axially position gas
Flow or pressure value in 13 air supply system of road, it can be determined that whether the outlet end of axially position air flue 13 is covered and blocks up tight.
If between the seam allowance end face and rabbet seat axial locating surface 10 of piston 1 because the sundries such as chip there are due to there is gap and cause to position
Unpunctual, then the outlet end of axially position air flue 13 will not all cover stifled tight, lead to the air supply system of axially position air flue 13
In flow or pressure can deviate normal value.Therefore, by detecting flow or pressure in 13 air supply system of axial positioned airway
Value, it can be determined that whether there is between the seam allowance end face and rabbet seat axial locating surface 10 of piston 1 causes because of sundries such as chips
Rabbet seat and piston between axially position be not allowed phenomenon.
(2) in addition several uniformly distributed gases are set on rabbet seat 5 using the axis of rabbet seat 5 as symmetrical centre logical
Road --- radial positioning air flue 14, in the inoperative outer cylinder surface of rabbet seat 5, outlet end exists 14 arrival end of radial positioning air flue
On the radial positioning face 9 of rabbet seat 5, and radial hole throttle mechanism 11 is provided at the outlet end of radial positioning air flue 14
(Fig. 3).
In use, the arrival end in radial positioning air flue 14 accesses compressed gas.It installs and determines on rabbet seat 5 when piston 1
When position, the gas with certain pressure is sent between the seam allowance inner surface and rabbet seat radial positioning face 9 of piston 1, compressed gas
Body forms one layer of carrying air cushion between the seam allowance inner surface and rabbet seat radial positioning face 9 of piston 1, so that piston 1
Seam allowance inner surface and rabbet seat radial positioning face 9 between gap everywhere it is relatively uniform, improve ensure that rabbet seat with
The radial positioning precision of piston.
It is a concrete application embodiment below.
Fig. 4 is a kind of gas-monitoring suitable for Piston Machining and air bearing positioning spigot seat, is arranged in rabbet seat outer round surface
There are annular groove 16 and annular groove 17.It is provided with 4 radial positionings in uniform way using the axis of rabbet seat 5 as symmetrical centre on rabbet seat 5
Air flue 14 and 4 axially position air flue 13.Entrance one end of every radial positioning air flue 14 is all connected with annular groove 16, due to stifled
First 18 presence, so that the other end of every radial positioning air flue exports on the radial positioning face 9 of rabbet seat 5.Every axial direction
Entrance one end of positioned airway 13 is connected with annular groove 17, and every axially position air flue other end outlet is against the axial direction of rabbet seat
On positioning surface 10.
Application method:
In Fig. 4, main shaft end cap 6 is installed on main spindle box body 7, and main shaft 8 is stretched out from main shaft end cap.By rabbet seat 5
It is fixedly connected, then will be fixed on for air-casing on static main shaft end cap 6 for 15 sets of air-casing on rabbet seat 5 with main shaft 8, supplied
Both set and rabbet seat are clearance fit.Air vent 20 and air vent 21, air vent 20 and annular groove are provided on for air-casing 15
17 are connected, and air vent 21 is connected with annular groove 16.3 sealing rings 19 are provided on for air-casing 15 to guarantee 20 He of air vent
Do not collaborate between air vent 21, air vent 20 and 21 pairs of external worlds of air vent it is air tight.By the mutually independent compressed gas of two-way point
Not Jie Ru air vent 20 and air vent 21, and gas flowmeter is installed on the supply air line of air vent 20.
After installation connects supply air line and gas flowmeter, then by piston 1 to be processed on rabbet seat 5, point
Compressed gas is not passed through to air vent 20 and air vent 21 to position piston.In the position fixing process of piston, it should see simultaneously
Examine the flow value variation on gas flowmeter.After piston 1, which positions, to be tensed, if connecing the gas on the supply air line of air vent 20
The flow value of flowmeter is zero, illustrates that axially position is accurate between rabbet seat and piston, can start at this time lathe to piston into
Row processing；If the flow value of flowmeter is greater than zero, illustrate axially position inaccuracy between rabbet seat and piston, it is fixed to check at this time
Whether plane has the sundries such as chip.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should be included in claim protection model of the invention
Within enclosing.
Claims (4)
1. a kind of gas-monitoring and air bearing positioning spigot seat suitable for Piston Machining, which is characterized in that the gas-monitoring and gas
Floating fixed position rabbet seat (hereinafter referred to as rabbet seat) includes axially position air flue (13) and radial positioning air flue (14)；
At least rabbet seat is arranged in as symmetrical centre using the axis of rabbet seat (5) in 3 axially position air flues (13) in uniform way
On；Inoperative outer cylinder surface of the arrival end setting of the axially position air flue in rabbet seat (5), and axially position air flue
Outlet end is arranged on the axial locating surface (10) of rabbet seat (5)；
At least rabbet seat is arranged in as symmetrical centre using the axis of rabbet seat (5) in 3 radial positioning air flues (14) in uniform way
On；The arrival end of the radial positioning air flue is arranged in the inoperative outer cylinder surface of rabbet seat, and radial positioning air flue goes out
Mouth end is arranged on the radial positioning face (9) of rabbet seat.
2. gas-monitoring according to claim 1 and air bearing positioning spigot seat, which is characterized in that the axially position air flue
(13) compressed gas access interface is arranged in arrival end, is provided with axial aperture throttle mechanism at the outlet end of axially position air flue
(12)。
3. gas-monitoring according to claim 1 and air bearing positioning spigot seat, which is characterized in that the radial positioning air flue
(14) arrival end is equipped with compressed gas access interface, is equipped with radial hole throttle mechanism at the outlet end of radial positioning air flue
(11)。
4. a kind of method using rabbet seat machining piston described in claim 1, which comprises the following steps:
(1) when positioning tension on rabbet seat (5) when piston (1) to be processed, will have one by axially position air flue (13)
The gas of constant-pressure is transported between the seam allowance end face of piston and the axial locating surface (10) of rabbet seat, will be possible on axial locating surface
Existing sundries is blown away；When piston (1) positions tension on rabbet seat (5) to be completed, the outlet end of axially position air flue (13)
It should be covered and stifled tight, detect flow value or pressure value in axial positioned airway (13) air supply system to judge axially position
It is stifled tight whether the outlet end of air flue is covered, and avoids existing between the seam allowance end face of piston and the axial locating surface of rabbet seat and such as cut
Bits etc sundries and cause the axially position of piston and rabbet seat to be processed inaccurate；
(2) when positioning is installed on rabbet seat (5) when piston (1) to be processed, will have one by radial positioning air flue (14)
The gas of constant-pressure is transported between the seam allowance inner surface of piston and rabbet seat radial positioning face (9), and compressed gas is in piston
Carrying air cushion is formed between seam allowance inner surface and rabbet seat radial positioning face, so that the seam allowance inner surface and rabbet seat of piston
Gap between radial positioning face everywhere is uniform, improves radial positioning precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342598.7A CN109318020B (en) | 2018-11-12 | 2018-11-12 | Gas monitoring and air-flotation positioning spigot seat suitable for piston machining and piston machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342598.7A CN109318020B (en) | 2018-11-12 | 2018-11-12 | Gas monitoring and air-flotation positioning spigot seat suitable for piston machining and piston machining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109318020A true CN109318020A (en) | 2019-02-12 |
| CN109318020B CN109318020B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811342598.7A Active CN109318020B (en) | 2018-11-12 | 2018-11-12 | Gas monitoring and air-flotation positioning spigot seat suitable for piston machining and piston machining method |
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| Country | Link |
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| CN (1) | CN109318020B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977559A (en) * | 2019-12-27 | 2020-04-10 | 江苏瑞尔隆盛叶轮科技有限公司 | Clamp for positioning milling hole of impeller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2117967U (en) * | 1991-12-31 | 1992-10-07 | 盛培基 | Presision boring head apparatus for watch strap |
| US5263918A (en) * | 1990-10-09 | 1993-11-23 | Chiron-Werke Gmbh & Co. Kg | Machine tool |
| CN201164990Y (en) * | 2007-12-20 | 2008-12-17 | 唐山轨道客车有限责任公司 | Special frame supporting device for air cushion vehicle |
| CN202356946U (en) * | 2011-12-09 | 2012-08-01 | 大连机床(数控)股份有限公司 | Machine tool for processing outer circumferential surface of piston |
-
2018
- 2018-11-12 CN CN201811342598.7A patent/CN109318020B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263918A (en) * | 1990-10-09 | 1993-11-23 | Chiron-Werke Gmbh & Co. Kg | Machine tool |
| CN2117967U (en) * | 1991-12-31 | 1992-10-07 | 盛培基 | Presision boring head apparatus for watch strap |
| CN201164990Y (en) * | 2007-12-20 | 2008-12-17 | 唐山轨道客车有限责任公司 | Special frame supporting device for air cushion vehicle |
| CN202356946U (en) * | 2011-12-09 | 2012-08-01 | 大连机床(数控)股份有限公司 | Machine tool for processing outer circumferential surface of piston |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977559A (en) * | 2019-12-27 | 2020-04-10 | 江苏瑞尔隆盛叶轮科技有限公司 | Clamp for positioning milling hole of impeller |
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| Publication number | Publication date |
|---|---|
| CN109318020B (en) | 2020-10-16 |
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Effective date of registration: 20210207 Address after: 245000 No.50, Meilin Avenue, Huangshan Economic Development Zone, Huangshan City, Anhui Province Patentee after: Huangshan Development Investment Group Co.,Ltd. Address before: 230001 No. 193, Tunxi Road, Hefei, Anhui Patentee before: Hefei University of Technology |