CN109253078A - A kind of piston shoes structure and its processing technology - Google Patents
A kind of piston shoes structure and its processing technology Download PDFInfo
- Publication number
- CN109253078A CN109253078A CN201811425780.9A CN201811425780A CN109253078A CN 109253078 A CN109253078 A CN 109253078A CN 201811425780 A CN201811425780 A CN 201811425780A CN 109253078 A CN109253078 A CN 109253078A
- Authority
- CN
- China
- Prior art keywords
- piston shoes
- embedding groove
- seat
- head
- processing technology
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
Abstract
The invention discloses a kind of piston shoes structure and its processing technologys, it include piston shoes seat, the end face on the top of piston shoes seat is equipped with the embedding groove of indent, and in the embedding groove and end face on the top of piston shoes seat is equipped with integrally formed piston shoes head, and the material of piston shoes head is carbon fiber reinforced polyether-ether-ketone.Its processing technology is the embedding groove that indent is first opened up on the end face on piston shoes seat top, is then molded carbon fiber reinforced polyether-ether-ketone in the upper surface of embedding groove and piston shoes seat, forms piston shoes head.Piston shoes structure wearability of the invention and stability are good, and fatigue life is long；And processing technology is simple, easy industrialized production.
Description
Technical field
The present invention relates to a kind of piston shoes structure and its processing technology, especially a kind of combined type piston shoes structure and its processing work
Skill.
Background technique
Current Domestic aero-engine fuel oil plunger pump design at present is most of to use metal straight peen formula, and piston shoes part is normal
Select 20Cr3MoWVA material through Carburization Treatment, and matched plunger then selects Cr12MoV material, two kinds of high rigidity metals
For matched friction pair in the lower shortage self-lubrication that runs at high speed, friction environment is severe.With the development of aircraft industry, metal straight peen formula
The plunger pump service life is unable to satisfy the higher and higher big flow of engine fuel attachment, the performance of high revolving speed, high abrasion to the limit
It is required that.
Summary of the invention
The object of the present invention is to provide a kind of piston shoes structure and its processing technologys.Piston shoes structure wearability of the invention
Good with stability, fatigue life is long；And processing technology is simple, easy industrialized production.
Technical solution of the present invention: a kind of piston shoes structure, includes piston shoes seat, and the end face on the top of piston shoes seat is equipped with interior
Recessed embedding groove, in the embedding groove and end face on the top of piston shoes seat are equipped with integrally formed piston shoes head, the material of piston shoes head
For carbon fiber reinforced polyether-ether-ketone.
Piston shoes structure above-mentioned, the embedding groove are dovetail groove.
Piston shoes structure above-mentioned, the side wall of the embedding groove and bottom are evenly equipped with respectively by embedding groove inside and turned on outside
Side opening and bottom outlet.
Piston shoes structure above-mentioned, the side opening and bottom outlet are respectively equipped with 6, and the aperture of side opening and bottom outlet is Ф 1mm.
A kind of processing technology of piston shoes structure above-mentioned is that inlaying for indent is first opened up on the end face on piston shoes seat top
Then slot is molded carbon fiber reinforced polyether-ether-ketone in the upper surface of embedding groove and piston shoes seat, forms piston shoes head.
The processing technology of piston shoes structure above-mentioned, the specific steps are as follows:
1) embedding groove is opened up on the upper surface of piston shoes seat, then cleans to obtain A product；
2) A product are put into injection molding machine, are filled in it in embedding groove and piston shoes by injection molding carbon fiber reinforced polyether-ether-ketone
The upper surface of seat forms piston shoes head, cooling B product；
3) edge of piston shoes head is subjected to chamfering, then deburring finally cleans, obtains finished product.
The processing technology of piston shoes structure above-mentioned opens up embedding groove for dovetail groove, the company of enhancing piston shoes head and piston shoes seat
Connect intensity.
The processing technology of piston shoes structure above-mentioned, when opening up embedding groove, the side wall of embedding groove and bottom open up respectively by
With the side opening and bottom outlet of turned on outside inside embedding groove, fibre reinforced polyethers ether is injected simultaneously in side opening and bottom outlet when injection molding
Ketone.
Beneficial effects of the present invention
The present invention carries out structure improvement to piston shoes head, and selects a kind of wear-resistant self-lubricating carbon fiber reinforced polyether-ether-ketone composite wood
Material injection molding by the way of metal and nonmetallic combination, while guaranteeing product strength, solves part and exists in piston shoes head
Stress is complicated, height slides the wear-resistant self-lubricating demand under rotary speed, to substantially increase the wearability and stabilization of piston shoes structure
Property, extend fatigue life.
Meanwhile processing technology of the invention is simple, easy to process, industrialized production easy to accomplish.
Through testing, piston shoes structure of the invention can be used for a long time at 250 DEG C, and moment uses temperature up to 300 DEG C,
The short time hardly decomposes at 400 DEG C, has fabulous stability.Meanwhile 2-3 times of the fatigue life of product.This hair
Bright piston shoes structure is existing to be successfully applied to Aeroengine Products at present, there is preferable promotional value.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the structural schematic diagram of piston shoes seat；
Attached drawing 3 is the top view of piston shoes seat.
Description of symbols: 1- piston shoes seat, 2- embedding groove, 3- side opening, 4- bottom outlet, 5- piston shoes head.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Embodiment 1: a kind of piston shoes structure includes as illustrated in the accompanying drawings from 1 to 3 piston shoes seat 1 made of conventional alloys material, piston shoes seat
The end face on 1 top is equipped with the embedding groove 2 of indent, in the embedding groove 2 and end face on the top of piston shoes seat 1 be equipped with one at
The piston shoes head 5 of type, the material of piston shoes head 5 are carbon fiber reinforced polyether-ether-ketone (PEEK/CF30, i.e. 30% carbon fiber, 70% polyethers ether
Ketone).
Preferably, the embedding groove 2 is dovetail groove, bonding strength is higher, and structure is more stable.
Preferably, the side wall of the embedding groove 2 and bottom are evenly equipped with respectively by the side of 2 inside and turned on outside of embedding groove
Hole 3 and bottom outlet 4 keep injection molding density higher convenient for emptying in embedding groove 2 when injection molding, and porosity is less, meanwhile, side opening 3 and bottom outlet
After injecting carbon fiber reinforced polyether-ether-ketone in 4, the bonding strength of piston shoes head 5 Yu piston shoes seat 1 is further improved.
Preferably, the side opening 3 and bottom outlet 4 are respectively equipped with 6, the aperture of side opening 3 and bottom outlet 4 is Ф 1.
Embodiment 2: a kind of processing technology of piston shoes structure, steps are as follows:
1) embedding groove 2 is opened up on the upper surface of piston shoes seat 1, then cleans to obtain A product；
2) A product are put into injection molding machine, are filled in it in embedding groove 2 and piston shoes by injection molding carbon fiber reinforced polyether-ether-ketone
The upper surface of seat 1 forms piston shoes head 5, cooling B product；
3) edge of piston shoes head 5 is subjected to chamfering, then deburring finally cleans, obtains finished product.
When the embedding groove 2 opens up, open up as dove tail shape, the bonding strength of enhancing piston shoes head 5 and piston shoes seat 1.
When opening up embedding groove 2, opened up respectively in the side wall of embedding groove 2 and bottom by 2 inside of embedding groove and turned on outside
Side opening 3 and bottom outlet 4 inject carbon fiber reinforced polyether-ether-ketone in side opening 3 and bottom outlet 4 when injection molding simultaneously.
Claims (8)
1. a kind of piston shoes structure, it is characterised in that: include piston shoes seat (1), the end face on the top of piston shoes seat (1) is equipped with indent
Embedding groove (2), in embedding groove (2) and the end face on the top of piston shoes seat (1) is equipped with integrally formed piston shoes head (5), sliding
The material of boots head (5) is carbon fiber reinforced polyether-ether-ketone.
2. piston shoes structure according to claim 1, it is characterised in that: the embedding groove (2) is dovetail groove.
3. piston shoes structure according to claim 1, it is characterised in that: the side wall of the embedding groove (2) and bottom difference are equal
It is furnished with the internal side opening (3) and bottom outlet (4) with turned on outside of embedding groove (2).
4. piston shoes structure according to claim 3, it is characterised in that: the side opening (3) and bottom outlet (4) are respectively equipped with 6,
The aperture of side opening (3) and bottom outlet (4) is Ф 1mm.
5. a kind of processing technology of piston shoes structure according to claim 1-4, it is characterised in that: be first in piston shoes
The embedding groove (2) of indent is opened up on the end face on seat (1) top, is then molded carbon in the upper surface of embedding groove (2) and piston shoes seat (1)
Fiber reinforcement polyether-ether-ketone is formed piston shoes head (5).
6. the processing technology of piston shoes structure according to claim 5, it is characterised in that: specific step is as follows:
1) embedding groove (2) are opened up on the upper surface of piston shoes seat (1), then clean to obtain A product；
2) A product are put into injection molding machine, so that it is filled in embedding groove (2) and is slided by injection molding carbon fiber reinforced polyether-ether-ketone
The upper surface of shoe (1) is formed piston shoes head (5), cooling B product；
3) edge of piston shoes head (5) is subjected to chamfering, then deburring finally cleans, obtains finished product.
7. the processing technology of piston shoes structure according to claim 5 or 6, it is characterised in that: opening up embedding groove (2) for swallow
Stern notch enhances the bonding strength of piston shoes head (5) and piston shoes seat (1).
8. the processing technology of piston shoes structure according to claim 5 or 6, it is characterised in that: when opening up embedding groove (2),
The side wall of embedding groove (2) and bottom are opened up respectively by the internal side opening (3) and bottom outlet (4) with turned on outside of embedding groove (2), injection molding
When side opening (3) and bottom outlet (4) in inject carbon fiber reinforced polyether-ether-ketone simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425780.9A CN109253078A (en) | 2018-11-27 | 2018-11-27 | A kind of piston shoes structure and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425780.9A CN109253078A (en) | 2018-11-27 | 2018-11-27 | A kind of piston shoes structure and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253078A true CN109253078A (en) | 2019-01-22 |
Family
ID=65042727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811425780.9A Pending CN109253078A (en) | 2018-11-27 | 2018-11-27 | A kind of piston shoes structure and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253078A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527744Y (en) * | 2001-12-20 | 2002-12-25 | 华中科技大学 | Plunger-piston shoes assembly |
| CN1410672A (en) * | 2002-11-11 | 2003-04-16 | 金仁召 | Inclined disc and piston shoe device of inclined disc type compressor |
| DE102011010296A1 (en) * | 2011-02-04 | 2012-08-09 | Robert Bosch Gmbh | Piston arrangement of a hydraulic piston machine |
| CN103143891A (en) * | 2013-03-06 | 2013-06-12 | 北京工业大学 | Assembly tool and assembly method for piston shoe assembly for water hydraulic piston pump |
| CN204278410U (en) * | 2014-09-25 | 2015-04-22 | 信义汽车玻璃(深圳)有限公司 | A kind of plastic mould |
| CN207813901U (en) * | 2018-01-22 | 2018-09-04 | 浙江赛克思液压有限公司 | A kind of plunger pump skid shoe structure |
-
2018
- 2018-11-27 CN CN201811425780.9A patent/CN109253078A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527744Y (en) * | 2001-12-20 | 2002-12-25 | 华中科技大学 | Plunger-piston shoes assembly |
| CN1410672A (en) * | 2002-11-11 | 2003-04-16 | 金仁召 | Inclined disc and piston shoe device of inclined disc type compressor |
| DE102011010296A1 (en) * | 2011-02-04 | 2012-08-09 | Robert Bosch Gmbh | Piston arrangement of a hydraulic piston machine |
| CN103143891A (en) * | 2013-03-06 | 2013-06-12 | 北京工业大学 | Assembly tool and assembly method for piston shoe assembly for water hydraulic piston pump |
| CN204278410U (en) * | 2014-09-25 | 2015-04-22 | 信义汽车玻璃(深圳)有限公司 | A kind of plastic mould |
| CN207813901U (en) * | 2018-01-22 | 2018-09-04 | 浙江赛克思液压有限公司 | A kind of plunger pump skid shoe structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190122 |
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| RJ01 | Rejection of invention patent application after publication |