CN113020920A - Machining process for movable fixed disc of scroll compressor - Google Patents
Machining process for movable fixed disc of scroll compressor Download PDFInfo
- Publication number
- CN113020920A CN113020920A CN202110365870.9A CN202110365870A CN113020920A CN 113020920 A CN113020920 A CN 113020920A CN 202110365870 A CN202110365870 A CN 202110365870A CN 113020920 A CN113020920 A CN 113020920A
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- workpiece
- scroll compressor
- numerical control
- processed
- control lathe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a machining process for a movable fixed disc of a scroll compressor, and relates to the technical field of scroll compressors. The invention comprises the following steps: the method comprises the following steps: clamping a workpiece to be processed on a numerical control lathe; step two: turning a workpiece to be processed by using a numerical control lathe, and processing an end face, an excircle, a chamfer and an annular groove of the workpiece; step three: and (4) carrying out secondary turning on the processed workpiece by using a numerical control lathe, and processing the end face, the excircle, the inner hole and the chamfer of the workpiece. The invention can reduce the steps of processing the movable and static discs through the process flow, thereby improving the processing speed of the movable and static discs and reducing the time for processing the movable and static discs.
Description
Technical Field
The invention belongs to the technical field of scroll compressors, and particularly relates to a machining process of a movable fixed plate of a scroll compressor.
Background
The scroll compressor is a compressor of positive displacement compression, and the compression unit is by moving the vortex dish and quiet vortex is constituteed, and the tradition on the market moves quiet dish processing technology, and the processing step is longer, and the spend time is longer, and machining efficiency is low, and the finished product quality is low.
Disclosure of Invention
The invention aims to provide a machining process for a movable and fixed disc of a scroll compressor, which can reduce the steps of machining the movable and fixed discs through the process flow, thereby improving the machining speed of the movable and fixed discs and reducing the time for machining the movable and fixed discs.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a machining process for a movable fixed disc of a scroll compressor comprises the following steps:
the method comprises the following steps: clamping a workpiece to be processed on a numerical control lathe;
step two: turning a workpiece to be processed by using a numerical control lathe, and processing an end face, an excircle, a chamfer and an annular groove of the workpiece;
step three: performing secondary turning on the processed workpiece by using a numerical control lathe, and processing the end face, the excircle, the inner hole and the chamfer of the workpiece;
step four: milling the processed workpiece by using a numerical control lathe, and processing a flat key hole and a key groove of the workpiece;
step five: carrying out vortex machining on the machined workpiece by using a numerical control lathe;
step six: marking the machined workpiece by using a numerical control lathe;
step seven: inspecting the machined workpiece;
step eight: and oiling and boxing the qualified workpieces.
Optionally, the distance between the end faces of the workpieces machined in the second step is 9.75 +/-0.05 and 26.8 +/-0.1, the flatness of the workpieces is 0.05, the diameter of an excircle is 125 +/-0.03, and the right-angle edge of the chamfer is 0.7 +/-0.2.
Optionally, the distance between the end faces of the workpieces machined in the third step is 27 +/-0.05, the diameter of the excircle is 42 +/-0.1, the diameter of the inner hole is 32, and the depth of the inner hole is 27.3 +/-0.1.
Optionally, during the fourth step, the triangular groove and the positioning hole need to be milled first.
Optionally, the depth of the milled cubic groove is 4 ± 0.1, the groove width is 4 ± 0.1, the diameter of the milled positioning hole is 6 ± 0.1, the depth of the positioning hole is 4 ± 0.1, and the pitch of the positioning hole is 12.5 ° and 50 ± 0.05.
Optionally, before the workpiece is machined, the workpiece blank needs to be inspected, the loosening condition of the blank and the material is inspected, and the air hole defects on the blank and the material are inspected.
Optionally, the blank and the material to be inspected have no defect, and the blank and the material need to be marked with marks.
Optionally, after the processing of each step is finished, the processed workpiece needs to be inspected.
Optionally, when the finished workpiece is inspected in the seventh step, the workpiece is subjected to full inspection by using a visual inspection method.
Optionally, the appearance of the finished product workpiece which is qualified by inspection has no air holes, looseness and burrs.
The embodiment of the invention has the following beneficial effects:
according to one embodiment of the invention, through the process flow, the steps of processing the movable and static discs can be reduced, so that the processing speed of the movable and static discs is increased, and the time for processing the movable and static discs is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
Referring to fig. 1, in the present embodiment, a machining process for a fixed plate of a scroll compressor is provided, which includes the following steps:
the method comprises the following steps: clamping a workpiece to be processed on a numerical control lathe;
step two: turning a workpiece to be processed by using a numerical control lathe, and processing an end face, an excircle, a chamfer and an annular groove of the workpiece;
step three: performing secondary turning on the processed workpiece by using a numerical control lathe, and processing the end face, the excircle, the inner hole and the chamfer of the workpiece;
step four: milling the processed workpiece by using a numerical control lathe, and processing a flat key hole and a key groove of the workpiece;
step five: carrying out vortex machining on the machined workpiece by using a numerical control lathe;
step six: marking the machined workpiece by using a numerical control lathe;
step seven: inspecting the machined workpiece;
step eight: and oiling and boxing the qualified workpieces.
The application of one aspect of the embodiment is as follows: when the movable and static discs need to be processed, a workpiece to be processed is clamped on a numerical control lathe, then the workpiece to be processed is turned by the numerical control lathe, the end face, the outer circle, the chamfer and the annular groove of the workpiece are processed, the processed workpiece is turned for the second time by the numerical control lathe, the end face, the outer circle, the inner hole and the chamfer of the workpiece are processed, the processed workpiece is milled by the numerical control lathe, the flat key hole and the key groove of the workpiece are processed, and the processed workpiece is processed in a vortex mode by the numerical control lathe; marking the machined workpiece by using a numerical control lathe, inspecting the machined workpiece, and oiling and boxing the qualified workpiece. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
The process flow can improve the processing efficiency of the movable and static discs, further improve the processing speed of the movable and static discs and reduce the time for processing the movable and static discs.
In the second step of this embodiment, the distances between the end faces of the workpieces to be machined are 9.75 ± 0.05 and 26.8 ± 0.1, the flatness of the workpieces is 0.05, the diameter of the outer circle is 125 ± 0.03, and the right-angle edge of the chamfer is 0.7 ± 0.2.
In the third step of this embodiment, the distance between the end faces of the machined workpieces is 27 ± 0.05, the diameter of the outer circle is 42 ± 0.1, the diameter of the inner hole is 32, and the depth of the inner hole is 27.3 ± 0.1.
In the fourth step of the present embodiment, a cubic groove and a positioning hole need to be milled first.
The depth of the milled cubic groove is 4 +/-0.1, the groove width is 4 +/-0.1, the diameter of the milled positioning hole is 6 +/-0.1, the depth of the positioning hole is 4 +/-0.1, and the pitch of the positioning hole is 12.5 degrees and 50 +/-0.05.
The workpiece of the embodiment needs to inspect the workpiece blank before processing, inspect the loosening condition of the blank and the material, and inspect the air hole defects on the blank and the material.
The blank and the material to be inspected in the embodiment have no defects, and the blank and the material need to be marked with marks.
After the processing of each step in this embodiment is completed, the processed workpiece needs to be inspected.
When the finished workpiece is inspected in the seventh step of the embodiment, the workpiece is fully inspected by using a visual inspection method.
The appearance of the finished workpiece qualified by the inspection of the embodiment has no pores, looseness and burrs.
The scroll compressor prepared by the invention has the following advantages:
1. the eccentric shaft driving the movable scroll can rotate at high speed, and the scroll compressor has small volume and light weight.
2. The moving parts such as the movable scroll disk, the main shaft and the like have small stress change, and the whole machine has small vibration.
3. It is suitable for variable speed motion and variable frequency speed regulation technology.
4. The overall noise of the scroll compressor is very low.
5. The scroll compressor has reliable and effective sealing performance, and the refrigerating coefficient of the scroll compressor is not reduced along with the increase of the operation time, but is slightly improved.
6. The scroll compressor has good operating characteristics. In a heat pump type air conditioning system, high heating performance, good stability and high safety are particularly shown.
7. The scroll compressor has no clearance volume and can keep high-volume-efficiency operation.
8. The moment change is small, the balance is high, the vibration is small, and the operation is stable, so that the operation is simple and convenient, and the automation is easy to realize.
9. Few moving parts, no reciprocating mechanism, simple structure, small volume, light weight, few parts, high reliability and long service life of more than 20 years.
Therefore, the difficulty of processing the scroll compressor parts is higher than the difficulty of manufacturing the piston compressor parts.
Wherein, when detecting the workpiece, a height gauge is required to detect the vortex height, the section height, the bearing hole depth, the central exhaust hole depth and the step height of the processed workpiece, an outer diameter gauge and an outer diameter base are used to detect the excircle of the processed workpiece, a vernier caliper is used to detect the step excircle of the processed workpiece, a profile gauge is used to detect the chamfer angle and the tool withdrawal groove of the processed workpiece, and three coordinates are used to detect the planeness and the parallelism of the processed workpiece, the diameter of the bearing hole, the cylindricity and the verticality, the method comprises the steps of coaxiality, the depth of a square groove, the position angle of a three-square groove, the position of a hole, the profile degree and the position degree, detecting the end face thickness of a machined workpiece by using a caliper gauge and a micrometer, detecting the roughness of the machined workpiece by using a roughness meter, detecting the diameter of a positioning hole, the diameter of a drilled hole and the shape of a central exhaust hole of the machined workpiece by using a go-no go gauge, detecting the depth of the positioning hole and the depth of vortex of the machined workpiece by using a depth gauge, and detecting the distance between the positioning hole and the processed workpiece by.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (10)
1. A machining process for a movable fixed disc of a scroll compressor is characterized by comprising the following steps:
the method comprises the following steps: clamping a workpiece to be processed on a numerical control lathe;
step two: turning a workpiece to be processed by using a numerical control lathe, and processing an end face, an excircle, a chamfer and an annular groove of the workpiece;
step three: performing secondary turning on the processed workpiece by using a numerical control lathe, and processing the end face, the excircle, the inner hole and the chamfer of the workpiece;
step four: milling the processed workpiece by using a numerical control lathe, and processing a flat key hole and a key groove of the workpiece;
step five: carrying out vortex machining on the machined workpiece by using a numerical control lathe;
step six: marking the machined workpiece by using a numerical control lathe;
step seven: inspecting the machined workpiece;
step eight: and oiling and boxing the qualified workpieces.
2. The process of claim 1, wherein the distances between the end faces of the work pieces machined in step two are 9.75 ± 0.05 and 26.8 ± 0.1, the flatness of the work pieces is 0.05, the diameter of the outer circle is 125 ± 0.03, and the right-angle side of the chamfer is 0.7 ± 0.2.
3. The process of claim 1, wherein the distance between the end faces of the work pieces processed in step three is 27 ± 0.05, the diameter of the outer circle is 42 ± 0.1, the diameter of the inner hole is 32, and the depth of the inner hole is 27.3 ± 0.1.
4. The machining process of the movable fixed plate of the scroll compressor as claimed in claim 1, wherein the step four is to mill a cubic groove and a positioning hole.
5. The process of claim 4, wherein the milled cubic groove has a depth of 4 ± 0.1, a groove width of 4 ± 0.1, the milled locating hole has a diameter of 6 ± 0.1, the locating hole has a depth of 4 ± 0.1, and the locating hole pitch is 12.5 ° and 50 ± 0.05.
6. The machining process of the fixed plate of the scroll compressor as claimed in claim 1, wherein the workpiece is required to inspect a workpiece blank before machining, inspect the blank and the material for porosity, and inspect the blank and the material for pore defects.
7. The scroll compressor motor stator machining process of claim 6, wherein the inspected blank and material are defect free and require marking.
8. The scroll compressor machining process according to claim 1, wherein after each machining step, the machined workpiece is inspected.
9. The machining process for the movable fixed plate of the scroll compressor as claimed in claim 1, wherein when the finished workpiece is inspected in the seventh step, the workpiece is subjected to full inspection by a visual inspection method.
10. The machining process of the movable fixed plate of the scroll compressor, according to claim 9, wherein the finished workpiece qualified by inspection has no pores, looseness and burrs in appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365870.9A CN113020920A (en) | 2021-04-06 | 2021-04-06 | Machining process for movable fixed disc of scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365870.9A CN113020920A (en) | 2021-04-06 | 2021-04-06 | Machining process for movable fixed disc of scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020920A true CN113020920A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110365870.9A Withdrawn CN113020920A (en) | 2021-04-06 | 2021-04-06 | Machining process for movable fixed disc of scroll compressor |
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| CN (1) | CN113020920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700454A (en) * | 2022-04-07 | 2022-07-05 | 江苏龙城精锻集团有限公司 | New energy automobile aluminum alloy movable scroll forging and extruding combined manufacturing process |
-
2021
- 2021-04-06 CN CN202110365870.9A patent/CN113020920A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700454A (en) * | 2022-04-07 | 2022-07-05 | 江苏龙城精锻集团有限公司 | New energy automobile aluminum alloy movable scroll forging and extruding combined manufacturing process |
| CN114700454B (en) * | 2022-04-07 | 2023-07-28 | 江苏龙城精锻集团有限公司 | New energy automobile aluminum alloy movable vortex plate forging and extrusion combined manufacturing process |
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Application publication date: 20210625 |