CN209145861U - A kind of screw compressor that wear-resisting property is good - Google Patents
A kind of screw compressor that wear-resisting property is good Download PDFInfo
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- CN209145861U CN209145861U CN201821478059.1U CN201821478059U CN209145861U CN 209145861 U CN209145861 U CN 209145861U CN 201821478059 U CN201821478059 U CN 201821478059U CN 209145861 U CN209145861 U CN 209145861U
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- wear
- moving plate
- resisting property
- screw compressor
- oxidation film
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Abstract
The utility model relates to a kind of good screw compressors of wear-resisting property, and including quiet disk, Moving plate and the bracket set gradually, the Moving plate is meshed with the quiet disk, and the Moving plate is equipped with oxidation film, are provided with wear-resistant gasket between the Moving plate and the bracket；Wherein, the oxidation film on the back of the Moving plate is equipped with anti-attrition layer, alternatively, the wear-resistant gasket is equipped with anti-attrition layer close to the side of the Moving plate.The good screw compressor of above-mentioned wear-resisting property is by oxidation film and anti-attrition layer, and realization runs smoothly and noise is low, and for Moving plate with the sliding surface of wear-resistant gasket and Moving plate and quiet disk without noticeable wear, wear-resisting property is good, can improve service life well.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly to a kind of good screw compressor of wear-resisting property.
Background technique
Electric scroll compressor is small in size with its, high-efficient and be widely used on new-energy automobile.Screw compressor is
Air-breathing, compression, exhaust process are completed by a pair of intermeshing Moving plate, quiet disk.Moving plate is rack-mount, the back peace of Moving plate
Equipped with expansion controlling ring-shaped insert.It is fixed with stop pin one end insertion bracket of expansion controlling ring-shaped insert quantity equity, the other end protrudes into expansion controlling ring-shaped insert.Moving plate and branch
Wear-resistant gasket is installed between frame.Moving plate is driven by drive shaft, and under the limit of stop pin and expansion controlling ring-shaped insert, is done around quiet disk small
The high-speed slide of radius, revolving speed is up to 8000 revs/min or more.Moving plate and wear-resistant gasket and Moving plate and quiet disk are in high ski-running
Under dynamic friction, sliding surface serious wear.Also, due to revolving speed height, the temperature of rubbing surface rises fast, the viscosity decline of lubricating oil,
Coefficient of friction increases rapidly, and further increases abrasion.Simultaneously at compressor start initial stage, there are sliding surface lubricating oil deficiencies
Risk.Abrasion is so that the gap between Moving plate and quiet disk increases, and compressor noise is big, reduced performance.
Utility model content
Based on this, it is necessary to for the problem of wear-resisting property difference, provide a kind of screw compressor that wear-resisting property is good.
A kind of screw compressor that wear-resisting property is good, including quiet disk, Moving plate and the bracket set gradually, the Moving plate and institute
It states quiet disk to be meshed, the Moving plate is equipped with oxidation film, is provided with wear-resistant gasket between the Moving plate and the bracket；
Wherein, the oxidation film on the back of the Moving plate is equipped with anti-attrition layer, alternatively, the wear-resistant gasket is close to institute
The side for stating Moving plate is equipped with anti-attrition layer.
In the good screw compressor of above-mentioned wear-resisting property, oxidation film hardness is high, and bond strength is high, and thickness is easily controllable, energy
The abrasion of contact surface between Moving plate and quiet disk is enough alleviated, reduces the two and causes noise big because gap increases.Anti-attrition layer rubs
It is small to wipe coefficient, even also there is good self-lubricating property in the case where dry friction, is especially suitable for lubricating when compressor start
The situation of shortage of oil.Therefore, the good screw compressor of above-mentioned wear-resisting property is by oxidation film and anti-attrition layer, realization run smoothly and
Noise is low, and for Moving plate with the sliding surface of wear-resistant gasket and Moving plate and quiet disk without noticeable wear, wear-resisting property is good, can mention well
High service life.
The anti-attrition layer includes solid anti-attrition particle in one of the embodiments, and the solid anti-attrition particle is two sulphur
Change one or more of molybdenum particle, polytetrafluoroethylgranule granule, graphite particle or boron nitride particle.
The anti-attrition layer is located at the outer ring face at the Moving plate back in one of the embodiments,.
The oxidation film is arranged on the Moving plate by following any technique in one of the embodiments: sulfuric acid
Anode oxidation process, Chromic Acid Anodizing Process or Hard Anodic Oxidation Process.
In one of the embodiments, the oxidation film with a thickness of 0.015mm~0.05mm.
The anti-attrition layer is spray coating in one of the embodiments,.
The back of the Moving plate is equipped with expansion controlling ring-shaped insert in one of the embodiments, and the bracket is fixedly installed with anti-rotation
Pin, the stop pin are inserted into the expansion controlling ring-shaped insert.
The expansion controlling ring-shaped insert is two or more in one of the embodiments, and the stop pin and the expansion controlling ring-shaped insert one are a pair of
It answers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the good screw compressor of wear-resisting property described in one embodiment of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the schematic diagram that anti-attrition layer described in Fig. 1 is located at the Moving plate；
Fig. 4 is the schematic diagram that anti-attrition layer described in Fig. 1 is located at the wear-resistant gasket；
Fig. 5 is the relative position schematic diagram of Moving plate in Fig. 1, quiet disk, wear-resistant gasket and bracket；
Fig. 6 is the structural schematic diagram of Moving plate described in Fig. 1；
Fig. 7 is the scheme of installation of Moving plate and bracket in Fig. 1；
Fig. 8 is the partial sectional view of B-B in Fig. 7.
100, quiet disk, 200, Moving plate, 210, expansion controlling ring-shaped insert, 220, outer ring face, 300, bracket, 310, stop pin, 400, wear-resisting
Gasket, 500, main shaft, 610, oxidation film, 620, anti-attrition layer.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.
Fig. 1 is a kind of structural schematic diagram for the screw compressor that wear-resisting property is good in one embodiment of the utility model, Fig. 2
For the cross-sectional view in Fig. 1 along line A-A.The screw compressor includes the quiet disk 100, Moving plate 200 and bracket 300 set gradually.It is dynamic
Disk 200 is meshed with quiet disk 100, and Moving plate 200 is equipped with oxidation film 610, is provided with wear-resistant gasket between Moving plate 200 and bracket 300
400 (referring to Fig. 5).
Wherein, in conjunction with Fig. 3, the oxidation film 610 on the back of Moving plate 200 is equipped with anti-attrition layer 620.The back of Moving plate 200
Refer to side of the Moving plate 200 far from quiet disk 100.Wherein, because oxidation film 610 be film formation reaction is directly participated in by basis material and
It generates, is firmly combined, in addition 610 hardness of oxidation film is high, so that being pressed into difficulty to the micro-bulge on flour milling, Moving plate 200 is had gently
Wiping.At this moment, anti-attrition layer 620 is set at the back of Moving plate 200, because being the porous structure oxidation film strong in adsorption capacity
It being prepared on 610, solid anti-attrition particle is partially filled in 610 hole of oxidation film, after sintering, anti-attrition layer 620 and oxidation film
610 form an entirety, so 620 bond strength of anti-attrition layer is high, will not fall off in friction process, self-lubrication is good, anti-attrition
Effect is obvious.When Moving plate 200 rubs, oxidation film 610 bears load, and anti-attrition layer 620 reduces friction, and the two synergistic effect makes
The abrasion resistance properties of disk 200 improve.
Alternatively, wear-resistant gasket 400 is equipped with anti-attrition layer 620 close to the side of Moving plate 200 in conjunction with Fig. 4.Because of oxidation film 610
It is directly to be participated in film formation reaction by basis material and generated, it, will not in the friction process in high speed so be firmly combined
It falls off, in addition 610 hardness of oxidation film is high, therefore 200 abrasion resistance properties of Moving plate are excellent.Wear-resistant gasket 400 is equipped with anti-attrition layer
620, coefficient of friction is low, is a kind of good solid lubricant of lubricity.Moving plate 200 and the friction initial stage mill of wear-resistant gasket 400
The anti-attrition particle damaged may form the transfer membrane of low-friction coefficient on 200 surface of Moving plate, it is effective be isolated Moving plate 200 with
The direct contact of wear-resistant gasket 400, so actually friction occurs mostly between anti-attrition layer 620 and transfer membrane, thus it is dynamic
Though having friction between disk 200 and wear-resistant gasket 400 but not necessarily being worn.It is made of oxidation film 610 and anti-attrition layer 620
Friction is secondary, and film layer matching rationally, can solve the wear problem of moving plate of scroll compressor 200.
In the good screw compressor of above-mentioned wear-resisting property, 610 hardness of oxidation film is high, and bond strength is high, and thickness is easily controllable,
It can reduce the abrasion of contact surface between Moving plate 200 and quiet disk 100, reduced the two and cause noise big because gap increases.Subtract
The coefficient of friction for grinding layer 620 is small, even also there is good self-lubricating property in the case where dry friction, is especially suitable for compressor
Lubricating oil insufficient situation when starting.Therefore, the good screw compressor of above-mentioned wear-resisting property passes through oxidation film 610 and anti-attrition layer
620, realization runs smoothly and noise is low, the sliding surface of Moving plate 200 and wear-resistant gasket 400 and Moving plate 200 and quiet disk 100 without
Noticeable wear, wear-resisting property is good, can improve service life well.
Specifically, in conjunction with Fig. 3 and Fig. 4, anti-attrition layer 620 includes solid anti-attrition particle.Solid anti-attrition particle is molybdenum disulfide
One or more of particle, polytetrafluoroethylgranule granule, graphite particle or boron nitride particle.Wherein, which is spraying
Layer, solid particle form the anti-attrition layer 620 by spraying process on Moving plate 200 or wear-resistant gasket 400.In conjunction with Fig. 6, work as anti-attrition
Layer 620 is arranged when on Moving plate 200, and anti-attrition layer 620 is located at the outer ring face 220 at 200 back of Moving plate, because only that Moving plate 200
Outer ring face 220 can be contacted with wear-resistant gasket 400, so can be dropped without being respectively provided with anti-attrition layer 620 at entire 200 back of Moving plate
Low manufacturing cost.In conjunction with Fig. 4, when anti-attrition layer 620 is arranged on wear-resistant gasket 400, anti-attrition layer 620 is optionally positioned only at resistance to
Gasket 400 is ground close to the side of Moving plate 200, alternatively, being optionally provided with anti-attrition layer 620 in the two sides of wear-resistant gasket 400.
It can refer to Fig. 3 and Fig. 4 in one of the embodiments, oxidation film 610 is by following any technique setting dynamic
On disk 200: anodizing process with sulfuric acid as major salt, Chromic Acid Anodizing Process or Hard Anodic Oxidation Process.In this way, obtained anodic oxygen
Change film hardness height, bond strength height, thickness is easily controllable.Wherein, oxidation film 610 with a thickness of 0.015mm~0.05mm
Meet requirement, it is excessively thin can exist cannot reach wear-resisting performance because being prone to wear, it is blocked up, cause manufacturing cost to increase.
Fig. 7 and Fig. 8 is referred in one of the embodiments, and the back of Moving plate 200 is equipped with expansion controlling ring-shaped insert 210, bracket 300
It is fixedly installed with stop pin 310, stop pin 310 is inserted into expansion controlling ring-shaped insert 210.Moving plate 200 rotates under the driving of drive shaft 500,
The high-speed rotation of minor radius is done around quiet disk 100 in the limit by expansion controlling ring-shaped insert 210 and stop pin 310 simultaneously, realize Moving plate 200 with it is quiet
Air-breathing, compression and exhaust process between disk 100.Expansion controlling ring-shaped insert 210 is fixed on Moving plate 200, and one end of stop pin 310 is fixed on branch
Frame 300, other end is inserted into expansion controlling ring-shaped insert 210, so Moving plate 200 does not relatively rotate with expansion controlling ring-shaped insert 210, but Moving plate 200
Rub between wear-resistant gasket 400, therefore, the setting of anti-attrition layer 620 combination should be consider in setting in Moving plate 200 or
On wear-resistant gasket 400, rather than on expansion controlling ring-shaped insert 210.
Specifically, expansion controlling ring-shaped insert 210 is two or more, and stop pin 310 and expansion controlling ring-shaped insert 210 correspond.Multiple expansion controlling ring-shaped inserts 210
Circumferential direction along Moving plate 200 is uniformly distributed.
Embodiment one
In conjunction with Fig. 1, Fig. 2 and Fig. 3, entire Moving plate 200 obtains hardness 350HV~600HV's after hard anodizing
Anode oxide film, thicknesses of layers are controlled in 0.015mm~0.050mm, and then the outer ring face 220 at 200 back of Moving plate is in oxidation film
The anti-attrition layer 620 containing solid lubrication grain is coated on the basis of 610.
Specific processing step are as follows:
First, Moving plate 200 passes through oil removing, and pickling carries out hard sun in -2 DEG C~5 DEG C of temperature of oxidation tank liquor out after light
Pole oxidation, voltage are controlled in 20V~35V.
Second, Moving plate 200 is fixed on fixture, to prevent pollution from not needing Spray Application, can take block etc. it is suitable
Work as safeguard measure, repeatedly spraying can be used to obtain suitable film thickness.First 90 DEG C of dry 20min, then heat up after the completion of spraying
60min is sintered to 180 DEG C.
By above-mentioned processing step, the Moving plate 200 of oxidation film 610 and anti-attrition layer 620 can be obtained.This Moving plate 200
Contain the anti-attrition layer 620 of molybdenum disulfide particles with the oxidation film 610 after hard anodizing, and at 200 back of Moving plate.Cause
It is directly to be participated in film formation reaction by basis material and generated for oxidation film 610, is firmly combined, in addition 610 hardness of oxidation film is high, makes
It obtains and difficulty is pressed into the micro-bulge on flour milling, therefore, Moving plate 200 is worn slightly.What the outer ring face 220 at 200 back of Moving plate coated
Anti-attrition layer 620 is prepared on the strong porous structure oxidation film 610 of adsorption capacity, and solid anti-attrition particle is partially filled with
In 610 hole of oxidation film, after sintering, anti-attrition layer 620 and oxidation film 610 form an entirety, so 620 bond strength of anti-attrition layer
Height will not fall off in friction process.Compound solid anti-attrition particle molybdenum disulfide coefficient of friction is low in anti-attrition layer 620, from profit
Slip is good, and anti-attrition effect is obvious.When Moving plate 200 rubs, hard substrate oxidation film 610 bears load, and the reduction of anti-attrition layer 620 rubs
It wipes, the two synergistic effect improves the abrasion resistance properties of Moving plate 200.
Embodiment two
In conjunction with Fig. 1, Fig. 2 and Fig. 4, entire Moving plate 200 obtains hardness 350HV~600HV's after hard anodizing
Anode oxide film, thicknesses of layers are controlled in 0.015mm~0.05mm, and then coating contains solid on 400 surface of wear-resistant gasket
The anti-attrition layer 620 of anti-attrition particle.
Specific processing step are as follows:
First, Moving plate 200 passes through alkaline etching oil removing, and pickling carries out in -2 DEG C~5 DEG C of temperature of oxidation tank liquor after light hard out
Matter anodic oxidation, voltage are controlled in 20V~35V.
Second, sandblasting will be passed through, the wear-resistant gasket 400 after degreasing, which is fixed on fixture, to be sprayed.After the completion of spraying first
100 DEG C of dry 20min, then heat to 300 DEG C and are sintered 60min.
By above-mentioned processing step, the Moving plate 200 of oxidation film 610 can be obtained and have the wear-resistant gasket of anti-attrition layer 620
400.Because oxidation film 610 is directly to be participated in film formation reaction by basis material and generated, it is firmly combined, even if in high speed
It will not fall off in friction process, in addition 610 hardness of oxidation film is high, therefore, 200 abrasion resistance properties of Moving plate are excellent.Wear-resistant gasket
The anti-attrition layer 620 coated on 400, it is that a kind of lubricity is good that containing solid anti-attrition particle molybdenum disulfide, coefficient of friction is low
Solid lubricant.The anti-attrition particle that Moving plate 200 and the friction initial wear of wear-resistant gasket 400 get off may be in 200 surface shape of Moving plate
At the transfer membrane of low-friction coefficient, effective Moving plate 200 of being isolated is contacted with the direct of wear-resistant gasket 400, so actually rubbing
Wiping occurs mostly between anti-attrition layer 620 and transfer membrane, though thus there is friction between Moving plate 200 and wear-resistant gasket 400 not
Centainly worn.The friction pair being made of oxidation film 610 and anti-attrition layer 620, film layer matching rationally, can solve whirlpool
The wear problem of spinning contracting moving plate 200.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of good screw compressor of wear-resisting property, which is characterized in that including quiet disk, Moving plate and the bracket set gradually, institute
It states Moving plate to be meshed with the quiet disk, the Moving plate is equipped with oxidation film, is provided with wear-resistant pad between the Moving plate and the bracket
Piece；
Wherein, the oxidation film on the back of the Moving plate is equipped with anti-attrition layer, alternatively, the wear-resistant gasket is close to described dynamic
The side of disk is equipped with anti-attrition layer.
2. the good screw compressor of wear-resisting property according to claim 1, which is characterized in that the anti-attrition layer includes that solid subtracts
Abrasive particle, the solid anti-attrition particle are in molybdenum disulfide particles, polytetrafluoroethylgranule granule, graphite particle or boron nitride particle
It is one or more of.
3. the good screw compressor of wear-resisting property according to claim 1, which is characterized in that the anti-attrition layer is located at described dynamic
The outer ring face at disk back.
4. the good screw compressor of wear-resisting property according to claim 1, which is characterized in that the oxidation film passes through following
A kind of technique is arranged on the Moving plate: anodizing process with sulfuric acid as major salt, Chromic Acid Anodizing Process or Hard Anodic Oxidation Process.
5. the good screw compressor of wear-resisting property according to claim 1, which is characterized in that the oxidation film with a thickness of
0.015mm~0.05mm.
6. the good screw compressor of wear-resisting property according to claim 1, which is characterized in that the anti-attrition layer is spray coating.
7. the screw compressor good to wear-resisting property described in 6 any one according to claim 1, which is characterized in that the Moving plate
Back expansion controlling ring-shaped insert is installed, the bracket is fixedly installed with stop pin, and the stop pin is inserted into the expansion controlling ring-shaped insert.
8. the good screw compressor of wear-resisting property according to claim 7, which is characterized in that the expansion controlling ring-shaped insert be two with
On, the stop pin and the expansion controlling ring-shaped insert correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478059.1U CN209145861U (en) | 2018-09-10 | 2018-09-10 | A kind of screw compressor that wear-resisting property is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478059.1U CN209145861U (en) | 2018-09-10 | 2018-09-10 | A kind of screw compressor that wear-resisting property is good |
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| Publication Number | Publication Date |
|---|---|
| CN209145861U true CN209145861U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821478059.1U Active CN209145861U (en) | 2018-09-10 | 2018-09-10 | A kind of screw compressor that wear-resisting property is good |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007256A1 (en) * | 2020-07-10 | 2022-01-13 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
-
2018
- 2018-09-10 CN CN201821478059.1U patent/CN209145861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007256A1 (en) * | 2020-07-10 | 2022-01-13 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
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